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Journal articles on the topic 'Communications terminal à terminal'

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Published: 1 June 2024

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1

Liu, Yan Yan, Guo Ning Li, and Li Feng Wang. "The Design and Implementation of Positioning System Based on GPS." Applied Mechanics and Materials 602-605 (August 2014): 2748–51. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.2748.

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This paper studies and implementation of positioning system based on GPS.The system consists of hardware platforms, positioning terminal software, positioning and monitoring service center. One of positioning terminal is based on Samsung's S3C2440 ARM9 processor, G600 communication module and u-blox GPS positioning module. Positioning terminal software Linux-based development of embedded real-time operating system, it's multi-tasking, real-time characteristics of software provides a good platform. Running on the Linux operating system is the terminal software, by driving the hardware platforms and Linux, the terminal software to complete the GPS positioning, and communications with control centers and other functions. The second type of positioning terminal is based on Android platform for mobile phones and other android pads. Such terminals can use the rich resources of the Android platform to achieve the map display, GPS positioning, communications with control centers. Monitoring platform is a GIS-based management platform, including the integration of the electronic map, and track positioning terminal location query.

2

TAMURA, HIROSHI, KAORU WATANABE, MASAKAZU SENGOKU, and SHOJI SHINODA. "A CHANNEL ASSIGNMENT PROBLEM IN MULTIHOP WIRELESS NETWORKS AND GRAPH THEORY." Journal of Circuits, Systems and Computers 13, no. 02 (April 2004): 375–85. http://dx.doi.org/10.1142/s0218126604001398.

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Multihop wireless networks consist of mobile terminals with personal communication devices. Each terminal can receive a message and then send it to another terminal. In these networks, it is important to assign channels for communications to each terminal efficiently. There are some studies on this assignment problem using a conventional edge coloring in graph theory. In this paper, we propose a new edge coloring problem in graph and network theory on this assignment problem and we discuss the computational complexity of the problem. This edge coloring problem takes the degree of interference into consideration. Therefore, we can reuse the channels more efficiently compared with the conventional method.

3

Beach, M. A., P. G. Mattos, and M. Chau. "Integrated Communications and Navigation Terminal." Journal of Navigation 44, no. 1 (January 1991): 67–75. http://dx.doi.org/10.1017/s0373463300009747.

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The mobile radio communications industry has recently witnessed a new demand for terminal equipment which can provide both communications and position reporting capabilities on a global scale–for example, the automatic monitoring of secure cargoes during international transportation. Thus, there is much interest in the development of land mobile satellite terminal equipment in the form of a single integrated unit which can economically provide both of these facilities. In this paper the development of such a unit is considered using the Inmarsat-c satellite communications service and the Navstar Global Positioning System (GPS), with extension to GLONASS possible in a receive-only version.

4

Song, Chuan Zhen. "Design of Body Sensor Network Intelligent Terminal Network Communication’s Method." Applied Mechanics and Materials 602-605 (August 2014): 3778–82. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.3778.

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To meet the needs of Body Sensor Network (BSN) intelligent terminal remote communication ,the scheme of network communication design in the Android intelligent terminals is provided .And combined with the characteristics of Android ,the method of Android network communication’s development is discussed .Firstly ,the architecture of intelligent health-cloud system and Android’s framework are introduced .And then the HTTP ,Web Service and other means of communication in Android are analyzed. Finally, a model of network communication in the intelligent medical is constructed and network communication in the intelligent terminal is carried out .The results show that Android can effectively take control of network communication in the BSN’s intelligent terminal and it has practical value.

5

Jiang, Bingcheng, Qian He, Mingliu He, Zhongyi Zhai, and Baokang Zhao. "FACSC: Fine-Grained Access Control Based on Smart Contract for Terminals in Software-Defined Network." Security and Communication Networks 2023 (May 15, 2023): 1–13. http://dx.doi.org/10.1155/2023/6013270.

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Physical terminals provide network services to upper-layer applications, but their limited memory and processing power make it challenging to perform security updates and patches, leaving them vulnerable to known security threats. Attackers can exploit these weaknesses to control the terminals and attack the network. To restrict unauthorized access to the network and its resources, appropriate access control mechanisms are necessary. In this paper, we propose a fine-grained access control method based on smart contracts (FACSC) for terminals in software-defined networking (SDN). FACSC utilizes the attribute-based access control (ABAC) model to achieve fine-grained control over terminal access networks. To ensure the security and reliability of access control policies and terminal-related attribute information, we utilize smart contract technology to implement the ABAC model. Furthermore, we leverage the programming protocol-independent packet processor (P4) to filter and forward packets in the data plane based on the packet option field, enabling rapid terminal access. Experimental results show that our proposed method achieves fine-grained secure authentication of terminals in SDN networks with a low authentication processing overhead.

6

Aubauer, Roland, and Michael Hülskemper. "Mobile communications terminal with flat loudspeaker disposed in the terminal housing." Journal of the Acoustical Society of America 123, no. 2 (2008): 587. http://dx.doi.org/10.1121/1.2857675.

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7

Saedy, Mahdy, and Vahideh Mojtahed. "Machine-to-Machine Communications and Security Solution in Cellular Systems." International Journal of Interdisciplinary Telecommunications and Networking 3, no. 2 (April 2011): 66–75. http://dx.doi.org/10.4018/jitn.2011040105.

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This paper introduces an efficient machine-to-machine (M2M) communication model based on 4G cellular systems. M2M terminals are capable of establishing Ad Hoc clusters wherever they are close enough. It is also possible to extend the cellular coverage for M2M terminals through multi-hop Ad Hoc connections. The M2M terminal structure is proposed accordingly to meet the mass production and security requirements. The security becomes more critical in Ad Hoc mode as new nodes attach to the cluster. A simplified protocol stack is considered here, while key components are introduced to provide secure communications between M2M and the network and also amongst M2M terminals.

8

Zhang, Yue Feng, Jun Wang, and Chong Jun Wang. "All is MVC: Design and Implementation of a Thick Terminal for Telemedicine." Applied Mechanics and Materials 330 (June 2013): 500–503. http://dx.doi.org/10.4028/www.scientific.net/amm.330.500.

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As the development of medical technology, computer technology and communication technology, telemedicine needs more powerful medical terminals to satisfy expanding user needs. In this paper we brought up that the new terminal should be a thick one to face the challenge, and then discussed the computing migration, a new trend as terminals becoming thick. We designed and implemented a thick terminal prototype for telemedicine, with the software using the MVC architecture and hardware using MVC-like architecture. This terminal achieved our expectation in actual use.

9

Jin, Dong Xu, Fei Shi, Joon Sup Chin, and Joo Seok Song. "Time-Efficient Route Optimization in PMIPv6." Applied Mechanics and Materials 284-287 (January 2013): 2794–98. http://dx.doi.org/10.4028/www.scientific.net/amm.284-287.2794.

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With the development of the wireless internet, there are more and more mobile terminals. Without a mobility management protocol a mobile terminal could not communicate with other terminals when it is away from its home network. Mobile IPv6 is proposed which is host-based mobility management protocol. But it has several drawbacks, such as wireless link resource waste, load or consumption of power in mobile terminal is large. To overcome the weakness of host-based mobility management protocol, network-based mobility management protocol called Proxy Mobile IPv6 (PMIPv6) is standardized by the IETF NETLMM working group, and it is starting to attract considerable attentions. Although several proposals have been made for Route Optimization (RO), they still need too many communications and it may cause communication delay. In this paper we proposed a time-efficient RO in PMIPv6 by optimize the procedure of it. We use the characteristic of anycast to achieve the time efficiency. By the mathematical analysis we prove that the proposed protocol has shorter latency and supports faster mobility of the mobile terminals.

10

Cheng, An Yu, Xiao Yu Lin, and Wen Long Feng. "Implementation of Multi-Vehicle Terminals' Data Transmission Based on HTTP Communication Protocol." Applied Mechanics and Materials 556-562 (May 2014): 5098–101. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.5098.

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Vehicle terminal can upload the vehicle status information to the server in time, to provide service for the users with more security. But vehicle terminal in the process of upload information to the server need to solve many issues, such as a large number of terminals connecting to the server, large amount of data, the data of transmission in various forms, the server is not stable enough and many other issues. This design uses the Hypertext Transfer Protocol (HTTP) to achieve reliable data transmission between the WEB server and vehicle terminals, and the load of server is lower, so the server can support more vehicle terminals’ connection.

11

Lee, Seong-Cheol, and Yong-Hum Lee. "Mobile communication terminal." Journal of the Acoustical Society of America 127, no. 1 (2010): 606. http://dx.doi.org/10.1121/1.3294107.

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12

Ji, Li, Shao Qiongling, and Wang Shengjun. "Design of Embedded Network Voice Communication Terminal Based on STM32 and μCOSIII." MATEC Web of Conferences 173 (2018): 03027. http://dx.doi.org/10.1051/matecconf/201817303027.

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Aiming at the application demand of voice communication between user terminals in the simulated training environment, a design and implementation method of embedded network voice communication terminal based on STM32 and μCOSIII is proposed. The hardware module of communication terminal is based on STM32 microcontroller, voice communication module, LCD display module and SD card storage module. The embedded real-time operating system μCOSIII is transplanted in order to enhance the real time and stability of the control system, and the user interface management system STemWin is used to manage LCD module. The signal exchange protocol of speech communication is designed, and the realization of the communication function software based on TCP/IP protocol is completed. In order to detect the voice communication function of communication terminal, a communication server software based on .NET Framework platform is designed, which is responsible for managing the communication terminal and forwarding the communication data. The experimental results show that the user interface of the communication terminal is good, the data transmission is stable and the communication function is reliable.

13

Yi-Qin Bao, Yi-Qin Bao, Qiang Zhao Yi-Qin Bao, Hao Zheng Qiang Zhao, Hong-Tao Zhang Hao Zheng, Wen-Bin Xu Hong-Tao Zhang, and Zheng-Tang Sun Wen-Bin Xu. "Research on Remote Upgrade Method of Distributed Load Balancing for Power Monitoring Terminal." 電腦學刊 32, no. 5 (October 2021): 128–41. http://dx.doi.org/10.53106/199115992021103205010.

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With the increasing application of power monitoring terminal and the increasing demand for its function, it is necessary to upgrade the field embedded software remotely.The existing online upgrade schemes generally deal with the terminals one by one, and there are also distributed upgrade schemes. However, due to the large differences in the communication performance of terminals in different places, there is a problem of load imbalance, resulting in the low efficiency of the whole upgrade. Aiming at the efficiency of remote online upgrade of power monitoring terminal, a distributed load balancing remote upgrade method is proposed. The power monitoring terminal is upgraded at the same time through the cloud platform, and the genetic algorithm is used for load balancing processing, so as to improve the efficiency. The practical results show that this remote upgrade method improves the upgrade efficiency of the terminal by comparing a variety of upgrade schemes, compared with no load balancing method, the average time of upgrading a terminal is reduced by 36%, which achieves good application effect in practical application.

14

Wei, Guiyu. "Mobile Geographic Information Service for 4G Terminal." Mobile Information Systems 2022 (September 19, 2022): 1–9. http://dx.doi.org/10.1155/2022/3839346.

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The mobile geographic information service (GIS) is the key technology to realize mobile navigation. In this study, a transmission method of mobile geographic information services under the 4G terminal grounded on the channel Porter interval equalization algorithm is proposed. The multisensor information collection method of vehicle networking is adopted to realize data collection and data structure characteristics analysis of mobile GIS under the 4G terminal. Subsequently, the transmission channel model of mobile GIS under the 4G terminal is constructed. Furthermore, the interference suppression in the transmission process of mobile GIS under 4G terminals is realized by using an autocorrelation matching filter and an adaptive association rule mining algorithm. According to the symbol feature distribution of the mobile GIS channel under the 4G terminal, the Porter interval equalization approach is implemented to realize the segmented equalization adjustment of mobile GIS. The K-means clustering procedure is also implemented to coordinate the data packet adjustment in the process of mobile geographic information service transmission within the background of a 4G terminal. According to the dynamic distribution characteristics of the clustering center, the mobile geographic information service transmission under the 4G terminal is adaptively controlled to reduce the influence of channel fading and intersymbol interference caused by channel spreading. The simulation outcomes express that the suggested technique has strong anti-jamming ability, reduces the communication error rate, significantly diminishes the end-to-end delay performance, and improves the stability and accuracy of the mobile geographic information service transmission under the 4G terminal.

15

Yan, Yong, Jinqian Chen, Ying Yao, Shaoyong Guo, Ao Xiong, and Wang Zhang. "Power IoT System Architecture Integrating Trusted Computing and Blockchain." Wireless Communications and Mobile Computing 2022 (May 9, 2022): 1–13. http://dx.doi.org/10.1155/2022/2891917.

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With the construction of power Internet of Things, the network scale is constantly expanding, the network structure is increasingly complex, and the number of terminals is increasing rapidly, resulting in huge pressure on network security protection, and it is urgent to build a credible operation environment to ensure that the Internet of Things runs safely and reliably. This paper proposes a power Internet of Things architecture combining trusted computing and blockchain. The architecture ensures the credibility and security of the terminal based on remote integrity verification and access control policy verification. A method for malicious node detection based on blockchain (MMNDB) is placed in acquisition layer. It is used to monitor the status of each acquisition devices in time, detect the malicious terminal in time, isolate the suspicious terminal with low credibility from the power Internet of Things, and ensure credibility of the acquisition terminal and the data collected. Under premise of ensuring the communication efficiency of the power communication network, this architecture can greatly ensure the stable working of the power Internet of Things.

16

Landry, Terry, and Paul Dykes. "Auditing Terminal Use." EDPACS 15, no. 13 (July 1988): 1–9. http://dx.doi.org/10.1080/07366988809450497.

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17

BROWN, DAVID A., and MAHER E. RIZKALLA. "A LOW COST SIMULTANEOUS VOICE AND DATA COMMUNICATIONS LINK FOR LOCAL AREA NETWORKS ON A 4 WIRE SYSTEM." Journal of Circuits, Systems and Computers 04, no. 02 (June 1994): 161–72. http://dx.doi.org/10.1142/s0218126694000107.

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This paper provides details concerning the design of an integrated voice and data communications link for a Local Area Network that must utilize residential type 2 pair telephone wiring as its transmission medium. The communications link can provide a worst case total data rate of 80 K bps (full duplex), 80 K analog samples of audio signals total (full duplex), as well as power and ground for remote terminals. In a system design that utilizes the communications link discussed here, the above total values of data and audio information flow can be divided by the number of terminals anticipated in the system in any ratio desired. The intent of the design of the communications link is to provide what is believed to be the most cost effective means of implementing an intelligent network of consumer based products in a residential or small business type of environment. In this document, the original technical problem is discussed along with details concerning the development of the solution presented here. The system design example that is presented is only provided as an aid to understanding how the communications link can be applied and is not the focus of the central concept. In that example, the system is comprised of 8 remote terminals and one central control terminal — all of which are voice and data devices. Therefore, the available continuous data rate per terminal is 10 K bps with 5 Khz full duplex audio.

18

Gui, Jinsong, Jianglin Liu, and Xinran Zhou. "An Efficient Radio Resource Allocation Scheme considering Terminal Mobility in Dense mmWave Cellular Networks." Wireless Communications and Mobile Computing 2022 (June 23, 2022): 1–20. http://dx.doi.org/10.1155/2022/9558031.

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In millimeter wave (mmWave) communication systems, beamforming-enabled directional transmission and network densification are commonly used to reduce high path loss and improve signal coverage quality. The combination of the two approaches will pose a challenge to radio resource allocation, which is especially true when terminals move frequently. The existing works presented some effective solutions for resource allocation in dense mmWave cellular networks, but they assumed that terminals move infrequently. So, these works cannot be directly applied to the dense mmWave cellular networks where terminals move frequently. In this paper, based on the results of the existing beamforming training (BFT) information-aided radio resource allocation algorithm, we propose a relay selection method to select a set of reasonable relays to take over the terminals whose performance deteriorates due to movement, which can ensure that each selected relay is as close as possible to the original performance of the corresponding moved terminal. Then, the resource allocation problem between the Device to Device (D2D) links from the selected relays to the corresponding moved terminals is formulated as a potential game model. By designing the utility function reasonably, the resource allocation results on the D2D links can converge to a Nash equilibrium solution. The simulation results show that the proposed scheme adapts to the scenario with frequent terminal movement, restrains the sharp performance decline caused by terminal movement, and outperforms the existing related algorithms in terms of average energy efficiency and throughput per link.

19

Agarwal, Khushboo, and Vikas Sejwar. "Avoidance of Hidden Terminal and Exposed terminal problem Using Directional MAC Protocol." International Journal of Future Generation Communication and Networking 8, no. 4 (August 31, 2015): 231–38. http://dx.doi.org/10.14257/ijfgcn.2015.8.4.23.

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20

Heidari, Mohsen, Farhad Shirani, and S. Sandeep Pradhan. "Quasi Structured Codes for Multi-Terminal Communications." IEEE Transactions on Information Theory 65, no. 10 (October 2019): 6263–89. http://dx.doi.org/10.1109/tit.2019.2930591.

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21

Shimada, Y., M. Kobayashi, S. Shiwa, A. Kitagawa, and S. Ichinose. "36.2: Mobile HMD Terminal for Cyber Communications." SID Symposium Digest of Technical Papers 30, no. 1 (1999): 804. http://dx.doi.org/10.1889/1.1834147.

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22

Li, Fang, Li Fang Wang, and Cheng Lin Liao. "Design and Application of Embedded Intelligent Power Consumption Terminal." Applied Mechanics and Materials 394 (September 2013): 259–64. http://dx.doi.org/10.4028/www.scientific.net/amm.394.259.

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ntelligent power consumption system is an important mean to improve the energy efficiency. An embedded terminal was designed in the system, which can achieve intelligent control and management for devices, and reduce power and energy consumption. The terminal in the system was designed and implemented based on ARM platform, using B/S structure to communicate with the remote server through Internet. It has several wired and wireless communication interfaces, which can be connected with various electric equipments. For extensibility, the software of the terminal uses a hierarchical and modular approach which includes communication layer, device layer, interface layer and intelligent power consumption layer. Meanwhile, the communication protocol and the unified interface design in the terminal make sure that the terminal can interact with the remote server reliably and timely. Through experiments in the demonstration operation region, it concludes that the terminals work stable and reliable, and equipment intelligent control and management are fulfilled. The system has many advantages such as modularity and scalability, which can be widely used in many fields like smart grid and smart home, etc.

23

Sinclair, Peter. "Terminal/mainframe links." Data Processing 27, no. 1 (January 1985): 20–22. http://dx.doi.org/10.1016/0011-684x(85)90341-7.

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24

Sun, Bao Gang, Yu Chuan Jiang, Fang Quan Yang, and Zhi Xiong Jin. "Software Design of Smart Home Terminal System." Applied Mechanics and Materials 568-570 (June 2014): 1459–62. http://dx.doi.org/10.4028/www.scientific.net/amm.568-570.1459.

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Existing smart home has been difficult to achieve the degree of public information automation and convenience of home environment requirements, smart home is a new field of networking technology applications. This article discusses how to use networking technology to the field of smart home, smart home study architecture in a wireless communication technology to solve the traditional home system using wired communications evils. Meanwhile, combine Bluetooth wireless smart home study based on the design of a kind of Bluetooth technology based smart home controller.

25

You, Huimin. "Safe Operation Management of Urban Smart Grid Based on Deep Learning." Mobile Information Systems 2022 (August 24, 2022): 1–11. http://dx.doi.org/10.1155/2022/4184941.

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The smart grid in the twenty-first century is constantly innovated by the big data technology and the Internet of Things (IoT) technology. As the second generation of a power network, the smart grid keeps developing towards automation and intelligence, driving the energy conversion rate, power utilization rate, and energy supply rate to increase. However, in the smart grid, the power terminal has a pivotal role in controlling, monitoring, and regulating the production process of electricity, which is currently facing many security challenges. The most critical aspect of smart grid security management is to ensure the security of power terminals. Existing solutions generally monitor power terminal devices by monitoring power terminal traffic; however, such security policies can only monitor attacks with characterization properties at the traffic level and cannot be used to monitor power terminal devices directly. Based on this, this paper reviewed the literature on intelligent operation and maintenance and deep learning at home and abroad and comprehensively analyzed the research progress of intelligent operation and maintenance, and in the comparative analysis of deep learning methods, because the convolutional neural network has fewer connections and parameters and can control the capacity by controlling its depth and width, it is convenient to establish a model with larger learning capacity, so a convolutional neural network is chosen for data analysis. In this study, we choose to use the convolutional neural network to analyze the data, combine the monitoring, management, and fault location of operation and maintenance work organically through some deep learning algorithms, reduce the number of model layers through a deep learning-based security monitoring technology for electric power terminals to improve the training speed and efficiency, and achieve all-round protection for electric power terminals at the device level and the network level. The management of urban smart grid dispatching operation also requires strict implementation of relevant technical standards to ensure the standardized operation and enhance the safety and stability of grid operation.

26

Li, Hongyu, Yanjun Fan, Yicheng Wen, Yanchao Zou, Qingfeng Ma, and Shaobo Yang. "Communication Management and Data Compression Algorithm Design of BeiDou Transparent Transmission Terminal for Argo Buoy." Journal of Marine Science and Engineering 12, no. 1 (January 16, 2024): 173. http://dx.doi.org/10.3390/jmse12010173.

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The Argo buoy detects marine environmental data by making profile movements in the ocean and transmits the profile detection data to the shore base through the communication terminal. However, due to the large volume of data collected from profile detections and the continuous operation of the terminal, the remote communication of buoys is characterized by lengthy communication times and significant power consumption. A low-power Beidou transparent transmission terminal is designed to solve these problems in this paper. The terminal performs low-power operation management and power management for terminal remote communication. After the end of a communication process, the microcontroller turns the Beidou module power off and enters STOP mode. Before the next communication process begins, the serial port wakes up the microcontroller, which powers up the Beidou module. Before the remote communication, the microcontroller compacts the profile detection data collected by the buoy to reduce the quantity of remote communication data. In this paper, a variety of data compression methods are used to compare the compression rate, and the best compression method is selected according to the format characteristics of the data. The results show that the Beidou transparent transmission terminal of the Argo buoy can realize low power consumption for remote communication in ocean exploration. The terminal reduces power consumption by 77.282% per communication, and the average number of remote communications for each profile detection data are reduced by 55 times. The low-power Beidou transparent transmission terminal improves the battery life and is conducive to the long-term operation of the buoy.

27

Liu, Haike, Huajian Zhang, Kai Yang, and Jiali Li. "Virtualized High Throughput Satellite Gateway with a Global Bandwidth Management Method." Mobile Information Systems 2022 (January 11, 2022): 1–11. http://dx.doi.org/10.1155/2022/6257885.

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With the development of new satellite payload technology, in order to improve the utilization of system resources, research is based on software-defined network (SDN) and network function virtualization (NFV) gateway architecture. Based on this architecture, the system realizes global resource management and overall data distribution, which can solve the problem of resource allocation and maximum/minimum rate guarantee between different VNO terminals under different beams, different gateways, and different satellites. For this, a global bandwidth management method can be used which is mainly a process of management to control the traffic on a communication link. The proposed global resource management and control method can be based on the rate guarantee value of the VNO/terminal configured in the system as the basic limiting condition and reallocate the rate guarantee value limiting parameter according to the resource application status of the online terminal. The method can maximize the resource utilization of the entire satellite communication system and satisfy the resource request of the user terminal as much as possible.

28

Benjamin, Melvin C., and Winston M. Bogaert. "Comsat's tdma traffic terminal." International Journal of Satellite Communications 3, no. 1-2 (January 1985): 15–25. http://dx.doi.org/10.1002/sat.4600030106.

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29

Bernard, A., L. Kerromes, J. Meunier, F. Rancy, C. Bareyt, D. Vautier, A. Beaucent, J. Salomon, and C. Sergent. "The french tdma terminal." International Journal of Satellite Communications 3, no. 1-2 (January 1985): 85–100. http://dx.doi.org/10.1002/sat.4600030113.

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30

Jennings, Ryan. "The Challenge to Develop the Perfect Flat Panel Satellite Communications Terminal: The Perfect SATCOM Terminal." IEEE Microwave Magazine 24, no. 5 (May 2023): 22–29. http://dx.doi.org/10.1109/mmm.2023.3242538.

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31

Long, Yi, Yiyi Zhang, Hongliang Sun, Xingze Hou, and Jianfeng Xiao. "A Developed Vehicle Terminal of Time-Sharing Rental Electric Vehicle Using Acoustic Communication Technology." Applied Sciences 9, no. 24 (December 11, 2019): 5408. http://dx.doi.org/10.3390/app9245408.

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With the rapid development of the time-sharing rental business model for electric vehicles, the remote control speed of the electric vehicle terminals device, as the most important part of the whole time-sharing rental business process, affects directly the integrity of the business process and the using feelings of consumers. However, the traditional remote control system by using general packet radio service (GPRS), 3G, and 4G long term evolution (LTE) wireless communication methods responds longer and slower in weak signal area, which directly affects the user’s feeling and management strength of platform management center for the electric vehicle. Therefore, in this paper, (1) the acoustic communication technology as an auxiliary communication method is introduced in the novel vehicle terminal; (2) In order to increase the anti-noise ability, “amplitude-shift keying (ASK) + frequency-shift keying (FSK)” compound modulation and “double microphone input” technology are used in the vehicle terminal, which develops a novel vehicle terminal with the high anti-noise acoustic wave communication function for the electric vehicle in time-sharing rental mode; and (3) the mobile phone acoustic waves can be used by the proposed vehicle terminal to control the door of electric vehicle, which provides a firm technical support for ensuring the fluency and completeness of the whole process. Tests prove that the acoustic communication technology of the novel vehicle terminal can realize the rapid response of the vehicle terminal, which effectively solves the problem of a prolonged and slow response in the vehicle terminal of the electric vehicle in the weak signal area.

32

Rudesch Harley, Ross. "Terminal immersion." Visual Communication 6, no. 2 (June 2007): 180–201. http://dx.doi.org/10.1177/1470357207077181.

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33

Kim, Chul Jin. "Handset for communication terminal." Journal of the Acoustical Society of America 121, no. 5 (2007): 2483. http://dx.doi.org/10.1121/1.2739149.

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34

Ding, Ye, Shi Gang, and Zhao Wei. "The Design of the Intelligent Health Information Collection Terminal which is Based on the Embedded Technology." Applied Mechanics and Materials 433-435 (October 2013): 1448–51. http://dx.doi.org/10.4028/www.scientific.net/amm.433-435.1448.

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The paper introduces an Intelligent Terminal which is based on the embedded technology to address the low degree of integration and intelligence of the current Health Collection Information Terminal. The new terminal adopts the design of the structure and function integrating method to integrate six health parameter measuring functions in one suit, including Electrocardiogram (ECG), Respiratory Rate, Blood Oxygen, Body Temperature, Blood Pressure and Pulse) , which is easy to carry. The additional interpersonal interfaces like storage, printer, monitor, communication and Radio Frequency Identification (RFID) enhance the new terminals intelligence degree. It could be widely applied in the situations of hospital, community, disaster relief and military.

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Sun, Yi Zhen, Xiao Wei Han, and Chang Tong Li. "Handheld Terminal Design Based on Wireless Sensor Internet for Contestants." Applied Mechanics and Materials 433-435 (October 2013): 1478–81. http://dx.doi.org/10.4028/www.scientific.net/amm.433-435.1478.

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To tackle the problems brought by the wired terminal multiplying and complexity of the wireless terminal cluster, the thesis designed handheld terminal design based on the wireless sensor Internet for contestants. It solves problems such as complex cluster and bad communication performance of the terminals in traditional contests with the help of zigbee technology. Besides the common function, it possesses extra functions, such as voice prompting, judge scoring and audience voting. The thesis mainly deals with the hardware and software design. The test result shows such design can better meet the needs of sorts of contests with the advantages of automatic networking, multiple function and stable performance, etc.

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Xiao, Fan. "Interactive Teaching Mode of College English Listening and Speaking Based on Intelligent Terminal." Tobacco Regulatory Science 7, no. 5 (September 30, 2021): 4587–95. http://dx.doi.org/10.18001/trs.7.5.2.25.

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Objectives: With the development of the information industry such as Internet communication technology, the development of intelligent terminals has also been developed. Methods: Nowadays, intelligent terminals are now being applied on a large scale to all aspects of our lives. With the continuous updating of mobile data, intelligent terminal technology into our entertainment, of course, can be used in our learning teaching and our education industry needs the help of intelligent terminals, especially in English, which can make for the English heard more convenient. Results: The traditional college English teaching has many limitations. Conclusion: This article is based on the study of the intelligent terminal listening and speaking multiple teaching modes of college English, which can well solve the limitations of the traditional English teaching.

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Huang, Lian Fen, Jin Feng Lin, Zhi Chao Huang, Qing Yue Chen, and He Zhi Lin. "Design of Mobile Terminal Multimedia Communication System in Intelligent Community Based on SIP." Applied Mechanics and Materials 556-562 (May 2014): 4929–32. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.4929.

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With the development of network technology, mobile smart devices and application technology in intelligent community. Mobile smart devices play an increasingly important role in future in intelligent community. Traditional fixed terminal mode in intelligent community will be increasingly evolved into the mobile terminals. Considering the current situation and weakness of intelligent community system and combining with its future trend, this paper comes up with the design and implementation of mobile terminal multimedia communication system in intelligent community based on SIP, STUN in android platform.

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Boulos, Federico, Georg Frederik Riemschneider, and Stefano Caizzone. "3D Phased Array Enabling Extended Field of View in Mobile Satcom Applications." Electronics 13, no. 2 (January 10, 2024): 310. http://dx.doi.org/10.3390/electronics13020310.

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Satellite communication (satcom) is experiencing increased interest to cover the connectivity gaps of terrestrial networks. To ensure high performance and throughput for the user—and even more so in Communications-On-The-Move(COTM) systems, e.g., in aeronautics—steerable antennas such as phased arrays are required to adjust the beam so as to follow the satellite’s trajectory. The mutual movement of terminals and satellite in COTM systems calls for a broad Field of View (FoV) and, hence, poses a challenge to common planar systems. For improving the FoV, common solutions require ad hoc designs, such as multi-mode antennas, wide half-power-beamwidth antennas or metasurfaces. By contrast, 3D arrays are able to cover a wider angular region by the 3D allocation of the antennas. In this paper, the benefits and drawbacks of moving from 2D (planar) arrays to 3D phased arrays are investigated. Multiple geometrical configurations are analyzed, keeping in mind the size requirements of aeronautic terminals. The best configuration is, hence, an array capable of enhancing the FoV of the terminal. The proposed antenna architecture offers a good trade-off between design complexity and performance, and it could be further developed to become an aeronautic-grade terminal aperture.

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Xue, Guanchang, Mingchuan Yang, Qing Guo, and Shuai Yuan. "Performance of Spectrum Sharing in Hybrid Satellite Terrestrial Network with Opportunistic Relay Selection." Wireless Communications and Mobile Computing 2022 (October 14, 2022): 1–13. http://dx.doi.org/10.1155/2022/2673024.

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In this paper, we consider the uplink of a hybrid satellite-terrestrial spectrum sharing system, in which satellite terminal communicates with satellite through terrestrial relay-assisted transmission. To accommodate expanding networks within limited spectrum, spectrum sharing is considered a promising candidate. For the system in which satellite terminals and terrestrial terminals share spectrum, we propose opportunistic relay selected spectrum sharing method based on decoding and forwarding protocol. Selecting the optimal relay station is aimed at minimizing the outage probability of the satellite terminal and maximizing the throughput of the system. Due to spectrum sharing policy and imperfections in the RF front end, we also consider the effects of cochannel interference (CCI) and hardware impairments (HIs). The satellite link is modeled as Shadowed-Rician fading, and the terrestrial link uses Nakagami-m fading. In addition, we deduce the closed-form analytical expressions of the satellite terminal outage probability, deduce the asymptotic expressions under the condition of high signal-to-noise ratio, and analyze their achievable diversity orders. Numerical and simulation results validate the performance gain of opportunistic relay selection compared to partial relay selection. Monte Carlo simulations confirm the correctness of the theoretical analysis and illustrate the effects of CCI and HIs on the system.

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Zhang, De Ming, Sheng Yao, and Xiao Wen Li. "Research and Implementation of Uplink Synchronization in TD-LTE." Advanced Materials Research 756-759 (September 2013): 846–50. http://dx.doi.org/10.4028/www.scientific.net/amr.756-759.846.

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To make sure a good communication between the terminal and the base station, synchronization is needed between them. The Uplink Time Alignment has been provided in the long term evolution system (TD-LTE), by which uplink synchronization can be maintained in terminals. In this letter, the concrete implementation of the Uplink Time Alignment in MAC sub-layer of terminals and independently adjustment of uplink timing were designed with research of the Uplink Time Alignment and detailed analysis of the specific applications of Timing Advance Command in the terminal. The proposed implementation can be applied for the development of test instrumentation and TD-LTE ratio frequency conformance.

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Zheng, Bao, Yang Wang, and Chong Zhen. "Research on Communication Architecture of Power Terminal Access Network." Applied Mechanics and Materials 851 (August 2016): 626–30. http://dx.doi.org/10.4028/www.scientific.net/amm.851.626.

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With the accelerated pace of urbanization and the increasing number of power users in urban areas, increased the amount of business of urban power communication system. At the same time, the distribution of users in remote areas, such as rural areas has been reduced, which means that the business needs of power communications reduced. For the situation, We proposed a power system communication architecture based on the number of terminal equipment. The scheme will effectively improve the current situation of electric power communication terminal access network, and improve the efficiency of information transmission.

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Mall, L., and R. B. Waterhouse. "Simple, small antenna terminal for maritime satellite communications." Electronics Letters 40, no. 11 (2004): 646. http://dx.doi.org/10.1049/el:20040462.

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Thomas, Bruce, and Ian McClelland. "The Development of a Touch Screen Based Communications Terminal." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 38, no. 3 (October 1994): 175–79. http://dx.doi.org/10.1177/154193129403800301.

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This paper discusses the design of a communications terminal for professional applications. The development work included visits to sites to capture requirements through interview and observation of working practices, and to get insight into typical communication tasks. A clear task focus was maintained during the design phase by using a dialogue description tool developed in-house to support the integration of the dialogue specification, the graphic design and the software design. Customer and operator feedback on the design was obtained. The success of the design can be attributed to a direct involvement of users in the development process and to the integration of different specialists in the development team.

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Zhang, Jingwei, and Hongzhen Feng. "Mobile Terminal System of Intelligent College English Teaching and Training Mode." Mobile Information Systems 2021 (September 10, 2021): 1–9. http://dx.doi.org/10.1155/2021/4449814.

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With the increasing maturity and wide application of wireless mobile communication technology and 4G networks, the use of mobile smart terminals has been popularized and has become an indispensable thing for people to live, study, and entertain. Taking college English course as an example, this paper aims to study the mobile terminal system of intelligent college English teaching and training mode. Based on the introduction of the concept, architecture, characteristics of WAP technology, and the development tools of WAP application software that need to be used in the teaching mode of the mobile terminal system, this article tentatively constructs a teaching mode of the mobile terminal system. The model is described, the collaborative filtering algorithm is proposed, and how to construct the matrix and calculate the similarity with the collaborative filtering algorithm is discussed. In order to verify the effectiveness of the system model, a test level comparison and a questionnaire survey of the teaching model were carried out. The experimental results of this article show that 91.8% of students said that their comprehensive English level has been improved in the process of applying the mobile terminal system teaching mode. In addition, 87.5% of the students said that it is necessary or basically necessary to use English for professional teaching and 76.2% of the students are very satisfied and basically satisfied with this model.

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Wang, Zimeng, Wei Chen, Haifeng Jiang, Shuo Xiao, and Haowen Yang. "A Task Allocation Algorithm for Coal Mine Mobile Crowd Sensing Based on Weighted Undirected Graph." Security and Communication Networks 2021 (June 25, 2021): 1–14. http://dx.doi.org/10.1155/2021/9999798.

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Existing applications of mining intelligent mobile terminals are all for the sensing of individual terminals, without considering the group attributes of terminal carriers and the cooperation opportunities brought by terminal movement, which is unable to complete large-scale and complex sensing tasks. In this article, mobile crowd sensing and mine safety monitoring are combined to construct the mobile crowd sensing network for coal mine. Aiming at the task allocation problem, a task allocation mechanism based on a weighted undirected graph is proposed. First, considering the similarity of task completion location and time and quality of data collected, the reputation evaluation model of miners is designed. In order to optimize the reputation of miners participating in the task, an emergency task allocation algorithm based on the weighted undirected graph is proposed. Second, based on the fatigue degree of miners and the residual energy of intelligent mobile terminals, the miner status evaluation model is constructed, which is combined with the reputation model to design a nonemergency task allocation algorithm, aiming at further optimizing the task allocation results. The simulation results show that the proposed algorithm has better performance in allocation time for sensing task, task allocation success rate, average reputation, and status value of miners.

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Kong, Bo, Wei Heng Dai, Xiao Jie, and Fei Hong Dong. "Research on Coded Cooperative Strategy in Satellite Communications." Applied Mechanics and Materials 198-199 (September 2012): 1684–89. http://dx.doi.org/10.4028/www.scientific.net/amm.198-199.1684.

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Aiming at the satellite mobile communication, the cooperative communication technology is applied to the forward downlink in this paper, and one scheme with two satellites based on the coded cooperative which used the Alamouti space time block code is presented. Simulation results show the coded cooperative strategy can obtain better performance than the traditional uncoded systems, which is lower than the MIMO system with two transmit antennas and one receive antenna based on the Alamouti code, but the power of the terminal was decreased. It has the advantage in communication range and low complex mobile terminal, which has a certain application prospects in satellite mobile communications in the future.

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Ge, Qian Qian. "Design and Implementation of Human-Computer Interaction Terminal Shockproof Device Based on LPC2478." Advanced Materials Research 459 (January 2012): 553–56. http://dx.doi.org/10.4028/www.scientific.net/amr.459.553.

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With the extensive use of embedded mobile terminal in everyday life, embedded terminals are getting more and more powerful,but there is no significant improvement in shock proof and use protection.The paper introduces an implementation method of embedded mobile terminal shockproof device based on LPC2478. The device has wifi communication,multi-channel sampling, real-time measurement for temperature, humidity, horizontal and vertical conditions.It measures the device distances with other objects and triaxial acceleration to achieve parametric statistical analysis and diagnostics. Its characteristics of multipoint direction identification shock proof, wireless self-synchronous firmware upgrade and power management based on users’ action mode identification provide good protection for mobile terminal products, achieving the target of shockproof.

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Li, Shi Hong, Hui Pu Hu, and Yan Jin. "Design and Implementation of Elevator Monitoring Terminal." Advanced Materials Research 926-930 (May 2014): 1253–56. http://dx.doi.org/10.4028/www.scientific.net/amr.926-930.1253.

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Concerning the security issues in the running elevator and the fact that elevator monitoring is an effective means to ensure the safe running of the elevator, and the special equipment, users, manufacturers, and government supervision departments will need to master the operating conditions of the elevator. Therefore, combining with the main components, embedded microprocessor, RF communications modules, sensors and GPRS designed the remote elevator monitoring terminal, and complete real-time acquisition of the state data of the running elevator via GPRS communication module to send data to a remote network server. Monitoring terminal cooperates with the web server, database, and host computer software, then realize the remote monitoring and control of the elevator group. Practice has proved the feasibility, effectiveness and reliability of the design of the monitoring terminal.

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Huang, Xian Ying, and Qiong Cao. "Study on Mobile Learning Platform Based on Wireless Communication." Applied Mechanics and Materials 347-350 (August 2013): 2223–27. http://dx.doi.org/10.4028/www.scientific.net/amm.347-350.2223.

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The rapid development of mobile technology has brought the change of learning. Mobile learning refers to a new kind of learning for the use of wireless communication technologies and mobile equipments to obtain the educational information, resources, and services. The framework of mobile learning system using wireless communication technology is proposed, a mobile learning support system with multiple wireless terminals is implemented which customs communication protocol to communicate with each other and uses multi-threading technology. The server push learning content to the terminal, learners receive information or to send information to the server through wireless terminal, to feedback information and interaction, and server processes terminal information, data analysis, and then sent to the learner. The system can be applied to a variety of mobile learning occasions, the application shows that the effect of the system effectively reduce the learning environment, and to increase the participation and interest of the learner, improve learning efficiency and learning outcomes.

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Vujasinović, Jovan, Goran Savić, and Milan Prokin. "Model-Driven Developed Terminal for Remote Control of Charging Station for Electric Vehicles Powered by Renewable Energy." Electronics 12, no. 8 (April 7, 2023): 1769. http://dx.doi.org/10.3390/electronics12081769.

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A terminal for remote control of charging stations for electric vehicles (EV) powered by renewable energy has been presented in this paper. This terminal enables remote control of EV chargers, smart batteries, smart electricity meters, fiscal cash registers (FCR), as well as remote control of renewable energy sources and other devices within the station. This terminal also makes charging stations more accessible to electric vehicles users, to electricity distribution companies, to electricity suppliers, to tax administrations, and finally to users and owners of charging stations. Therefore, communication and control with all these devices and systems is integrated in one device. Realization of hardware and software of such a terminal has also been described in this paper. The net result of development and commercialization of terminals would encourage an increase in the use of electric vehicles powered by energy from renewable sources, which would cause a decrease in the level of air pollution and all negative effects it causes in the future. Different categories of this device are considered. Moreover, although it is a device with embedded software, a very advanced method was used, that is, a model-driven development method, which enables fast and more efficient development and maintenance of the device. The results of the application of this method to the terminal for remote control of fiscal cash registers are provided. They were compared with the results of the development of the terminal for remote control of smart meters without applying this method. A simulation of the development of the terminal for remote control of the station is also provided. The presented method can be used in the future for faster and better-quality development of embedded software.