Relevant bibliographies by topics / Wireless transmission systems

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Wireless transmission systems'

Author: Grafiati
Published: 6 September 2023

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Journal articles on the topic "Wireless transmission systems"

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Kaganov, W. I., and Bui Huu Chuc. "Wireless power transmission." Russian Technological Journal 8, no. 6 (December 18, 2020): 47–53. http://dx.doi.org/10.32362/2500-316x-2020-8-6-47-53.

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Electrical energy from power plants to industrial facilities and settlements is mostly transmitted by wire-connected air or underground lines covering vast territories. However, in some rare cases there is a need for wireless transmission of electrical power to objects located in hard-to-reach areas. The problem of wireless transmission of electrical energy will become especially urgent as space electric power industry based on the placement of solar power plants in outer space is being developed. In this regard, several countries are conducting studies on the problem of electrical energy transmission using both laser and microwave radiation. The fundamentals of building systems for wireless transmission of electrical energy over short distances using microwave radiation are considered. Two options for constructing such systems are analyzed and calculated: using parabolic antennas and using phased array antennas. For both options the main parameters of systems for wireless transmission of electrical energy at 200 m were calculated. In the first case, powerful microwave devices are used: a magnetron or a direct-flight klystron; in the second case, microwave powerful field-effect transistors. For the second option the summation of the powers of microwave generators by means of their mutual synchronization is proposed.
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Tong, Wen, Behnaam Aazhang, Sae-Young Chung, and Petar Popovski. "Wireless cooperative transmission." Journal of Communications and Networks 10, no. 2 (June 2008): 113–17. http://dx.doi.org/10.1109/jcn.2008.6389830.

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Sathe, Minal Dilip, Priyanka Sandesh Nikam, and Gajanan Khapre. "Wireless Charging Control for Electric Vehicles." International Journal for Research in Applied Science and Engineering Technology 11, no. 5 (May 31, 2023): 4317–21. http://dx.doi.org/10.22214/ijraset.2023.52478.

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Abstract: Wireless power transmission is a way to transmit power without a wire. Wireless power transmission helps connect areas where people do not have access to an adequate power source. Anyone can get clean and green wireless power. From now on, all devices will be connected to the power source wirelessly. Wireless charging for electric vehicles has been in development for several years before the widespread use of these vehicles. Today, wireless charging systems offer an efficient and flexible way to charge electric vehicles of several categories and different capacities from a common base source. Standardization work is well underway to ensure system compatibility between vehicles and locations. In this paper, we presented successful experimental experiments for wireless power transmission and the future scope of wireless power transmission in electric vehicles
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Alieksieiev, V. O., D. V. Gretskih, D. S. Gavva, and V. G. Lykhograi. "Wireless power transmission technologies." Radiotekhnika, no. 211 (December 30, 2022): 114–32. http://dx.doi.org/10.30837/rt.2022.4.211.09.

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The article consists of three parts. The analysis of existing technologies of wireless power transfer (WPT) is carried out in the first part. It is noted that one of the factors that determines the choice of one or another WPT technology is the distance over which the power is transmitted and the type of electromagnetic (EM) energy used. The essence of WPT technologies in the near zone, Fresnel zone and Fraunhofer zone is explained. A generalized block diagram of the WPT system is presented. Areas of application and trends in the further development of the WPT technologies over short distances using induction and resonance methods, the WPT technologies over long distances, the technology of EM energy harvesting from the surrounding space and its conversion into direct current for powering low-power devices are considered. The achievements of the team of the antenna laboratory of the Kharkiv National University of Radio Electronics (KhNURE) in the area of WPT are presented in the second part of the article. Namely, the electrodynamics’ approach is considered which is based on a single idea about the functioning of WPT systems and which include antennas and their circuits and ways of excitation with nonlinear elements. The stages of building a nonlinear mathematical model (MM) of the electrodynamics’ level of the WPT system are presented, according to which the entire WPT system, which generally includes the transmitting subsystem and the receiving subsystem, is considered as a single multi-input antenna system with nonlinear characteristics. The proposed MM provides a complete representation of the WPT systems operation of a wide class and purpose, in which fundamentally different WPT technologies are used. The third part of the article presents new results related to continued research. The analysis of the adequacy of the developed MM of WPT system is carried out. The results of simulation of WPT systems with the induction method of energy transfer (near zone) and their comparison with theoretical and experimental data of other authors showed the reliability and universality of the proposed approach and the MM of WPT system developed on its basis.
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Heo, Jin-Chul, Jiae Park, Sohee Kim, Jeonghon Ku, and Jong-Ha Lee. "Development and Application of Wireless Power Transmission Systems for Wireless ECG Sensors." Journal of Sensors 2018 (2018): 1–7. http://dx.doi.org/10.1155/2018/5831056.

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We investigated the variations in the magnetic field distribution and power transmission efficiency, resulting from changes in the relative positions of the transmitting and receiving coils, for electromagnetic induction-type wireless power transmission using an elliptical receive coil. Results of simulations using a high-frequency structure simulator were compared to actual measurement results. The simulations showed that the transmission efficiency could be maintained relatively stable even if the alignment between the transmitting and receiving coils was changed to some extent. When the centre of the receiving coil was perfectly aligned with the centre of the transmitting coil, the transmission efficiency was in the maximum; however, the degree of decrease in the transmission efficiency was small even if the centre of the receiving coil moved by ±10 mm from the centre of the transmitting coil. Therefore, it is expected that the performance of the wireless power transmission system will not be degraded significantly even if perfect alignment is not maintained. Animal experiments confirmed good ECG signals for the simulation conditions. The results suggested a standardized application method of wireless transmission in the utilization of wireless power for implantable sensors.
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Li, Yuhua, Lishuang Wan, and Haimin Zhang. "Communication Network for Sports Activity Monitoring Systems." Complexity 2021 (April 17, 2021): 1–10. http://dx.doi.org/10.1155/2021/9971605.

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In this paper, through research and analysis of the communication network of the physical activity monitoring system, we combine wearable technology and identification technology and design a physical health monitoring bracelet that integrates multifaceted physical data collection and effective identity matching function. We match the identity through the chip and collect the physical fitness data generated in the process of exercise and centralized test by the sensor in real-time. Finally, the data transmission is realized through the WIFI communication function to achieve the purpose of monitoring physical exercise and improving physical quality. To ensure the continuity and stability of information transmission, the joint transmission method of direct transmission and indirect transmission is essential. Besides, considering the energy causality limitation of sensor nodes and relay nodes, a collaborative transmission model of wireless body area network based on wireless cognitive network is constructed. And, a power allocation algorithm based on maximum ratio merging and wireless cognitive network is proposed, which puts forward a new idea for the future research of wireless body area network resource allocation.
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Грецких, Д. В., В. Г. Лихограй, А. А. Щербина, and А. В. Гомозов. "External parameters of wireless power transmission systems." Radiotekhnika 4, no. 199 (December 29, 2019): 59–66. http://dx.doi.org/10.30837/rt.2019.4.199.07.

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Rotenberg, Samuel A., Symon K. Podilchak, Pascual D. Hilario Re, C. Mateo-Segura, George Goussetis, and Jaesup Lee. "Efficient Rectifier for Wireless Power Transmission Systems." IEEE Transactions on Microwave Theory and Techniques 68, no. 5 (May 2020): 1921–32. http://dx.doi.org/10.1109/tmtt.2020.2968055.

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Huang, Yuanyuan, and Chengchu Wu. "Spectrum analysis of multi-pulse position modulation in optical communication." Highlights in Science, Engineering and Technology 53 (June 30, 2023): 78–87. http://dx.doi.org/10.54097/hset.v53i.9685.

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In this paper, the authors aim to compare the performance of space optical communication and wireless optical communication by analyzing the transmission mechanism, transmission method, and transmission rate of MPPM (Multi-Pulse Pulse Position Modulation). MPPM is a widely used modulation technique in optical communication systems, which has the advantage of reducing the effect of noise and improving the system's error rate. To achieve the objective, the authors will employ mathematical models to compare the performance of space optical communication and wireless optical communication. They will analyze the transmission mechanism, transmission method, and transmission rate of MPPM in both communication systems and draw conclusions based on their findings. The authors hope that the results of this study will positively promote the development of MPPM in the future. By comparing the performance of space optical communication and wireless optical communication, this study will provide insights into the strengths and weaknesses of both systems, which can help in the development of more efficient and reliable optical communication systems.
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Li, Cui-Min, Chun-Ying Li, and Lei Wang. "Reliable data transmission method based on 6LoWPAN for building energy systems." Building Services Engineering Research and Technology 41, no. 5 (November 26, 2019): 623–33. http://dx.doi.org/10.1177/0143624419891521.

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The building energy internet of things is based on radio frequency technology and a wireless sensor network that can collect building energy consumption data in real time. However, with the increasing complexity of wireless sensor network topology, there is a problem of insufficient IP address space relying on IPv4 protocol. In this paper, a design scheme of a building energy system based on 6LoWPAN network is proposed. IPv4/IPv6 address conversion is used to realise the access of IP addresses to each other, so as to monitor building energy consumption information anytime and anywhere. In view of the shortcomings of existing wireless network data transmission methods in low energy consumption and high reliability in building energy monitoring applications, a reliable data transmission method based on multipath routing coding algorithm is proposed. This strategy improves the transmission reliability of the network by increasing the number of redundant packets, and reduces the energy consumption of the network by reducing the number of transmission paths. The simulation results show that the proposed method can effectively improve the success rate of data packet transmission, reduce the standard energy consumption of sensor networks, and provide an effective method for the application of wireless sensor networks in building energy monitoring systems. Practical application: This paper studies how to improve transmission reliability and energy efficiency in cluster-based WSN and proposes a multi-path transmission strategy for selective coding of intermediate cluster head nodes. The strategy improves the transmission reliability of the network by increasing the number of transmissions of redundant packets and reduces the network energy consumption by reducing the number of transmission paths. It has good use value for the actual development and application of the building energy consumption monitoring system.
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Dissertations / Theses on the topic "Wireless transmission systems"

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Ganti, Anand 1975. "Transmission scheduling for wireless and satellite systems." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/29316.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2003.
Includes bibliographical references (p. 135-137).
We study queuing systems with time-varying service rates, as a natural model of satellite and wireless communication systems. Packets arrive at a satellite to be transmitted to one of the sub-regions (channels) in a service area. The packets are stored in an on-board buffer and in a separate queue for each channel. The satellite has a limited power available for scheduling transmissions, and a fixed number of transmitters. The power allocated to a particular channel, in conjunction with the channel state, determines the transmission rate of the channel, i.e., the service rate for the queue corresponding to that channel. The assignment of transmitters to the queues as well as the power allocated to each transmitter are modeled as control variables. The goal is to design a power allocation policy so that the expected queue size, in steady-state, is minimized. We model the system as a slotted system with N queues, and i.i.d. Bernoulli arrivals at each queue during each slot. Each queue is associated with a channel that changes between "on" and "off" states according to i.i.d. Bernoulli processes. We assume that the system has K identical transmitters ("servers").
(cont.) Each server, during each slot, can transmit up to Co packets from a queue associated with an "on" channel. We show that when K and Co are arbitrary and a total of up to KCo packets can be served from all the N queues in a time slot, a policy that assigns the K servers to the "on" channels associated with the K longest queues is optimal. We also consider a "fluid" service model under which fractional packets can be served, for the case K = N, and subject to a constraint that at most C packets can be served in total over all of the N queues. We show that there is an optimal policy which serves the queues so that the resulting vector of queue lengths is "Most Balanced." We also describe techniques to upper bound the expected queue size in steady-state under an optimal policy.
by Anand Ganti.
Ph.D.
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Chu, Li Electrical Engineering &amp Telecommunications Faculty of Engineering UNSW. "Space-time coded transmission schemes on wireless channels." Awarded by:University of New South Wales. Electrical Engineering & Telecommunications, 2007. http://handle.unsw.edu.au/1959.4/40880.

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Highly reliable and fast wireless communication services demand the communication channel capacity to be fully exploited. Vast amount of research effort have been expanded in the development of advance technologies, such as signal processing, channel coding, modulation/demodulation, diversity techniques, and so on. This thesis focuses on the development of space-time coded transmission schemes. In order to provide high diversity gain with minimum design complexity, we propose a closed-loop beamforming transmission technology combined with existing simple channel coding method. We show that this coded beamforming scheme can achieve full diversity as the space-time coding technique does for a multiple-antenna system, while significantly reducing the design complexity. It is normally impractical to install multiple antennas on a small wireless communication device. We therefore further our research to cooperative communication, in which single-antenna communicators share their antennas with partners in information relay, so that the benefit of multiple-antenna transmission can be achieved for the singleantenna users. We analyze the system performance for the typical decode-and-forward user cooperative system, formulate the code design criteria, and construct optimal codes. To simplify the system design, we introduce estimate-and-forward protocol with differential modulation scheme. In order to ensure the practicality of the system design, we introduce an equivalent link model to replace the source-relay-destination link, taking into account the imperfect detections at the relay. Finally we extend the analysis to a multiple-relay system using selective combiner at the destination.
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Yow, Thiam Poh. "Tunneled data transmission over wireless sensor networks." Thesis, Monterey, Calif. : Naval Postgraduate School, 2007. http://bosun.nps.edu/uhtbin/hyperion-image.exe/07Dec%5FYow.pdf.

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Thesis (M.S. in Electrical Engineering)--Naval Postgraduate School, December 2007.
Thesis Advisor(s): McEachen, John C. ; Tummala, Murali. "December 2007." Description based on title screen as viewed on January 24, 2008. Includes bibliographical references (p. 73-74). Also available in print.
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Yu, Yuehua. "Non-Orthogonal Transmission for Future Wireless Communication Systems." Thesis, The University of Sydney, 2018. http://hdl.handle.net/2123/18172.

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The 5G networks are envisioned to support large data traffic, massive connectivity, and ultra low-latency communications. This thesis focuses on the low-complexity design and performance analysis of non-orthogonal transmissions, which is one of the potential candidates to address the aforementioned challenges. We first develop a low-complexity transceiver design for massive MIMO channels. By exploring a sparse representation of the MIMO channel in the virtual angular domain, we generate a set of transmit-receive beam pairs to support the transmission of multiple data streams. These data streams can be easily separated via SIC, and the power allocation is optimized with water-filling. The near-optimal DoF and capacity achieved by the proposed approach are analysed. Next, we investigate the joint antenna selection (AS) problem for MIMO TWRNs. Two near-optimal algorithms, namely the joint relay-source AS (JRSAS) and the separated relay-source AS (SRSAS), are proposed in a greedy manner. Numerical results show that both JRSAS and SRSAS can approach the optimal AS algorithm but with much lower computational complexity. Subsequently, we extend the joint AS problem to a MIMO NOMA system. For the rate-adaptive NOMA, the throughput-oriented AS algorithms are first proposed. For the fixed-rate NOMA, the outage-oriented AS approaches are then developed. The average capacity and outage performance of the proposed algorithms are analysed and compared to the OMA counterparts. By naturally integrating the short-packet and NOMA techniques, we finally investigate the potential ability of short-packet communications using NOMA to fulfil low-latency transmission. For a given set of reliability constraints of users, the transmission latency of a fundamental two-user model is first studied, which is followed by a more practical multi-user system. Numerical results demonstrate the superior performance of NOMA in reducing physical-layer transmission latency in short-packet communications.
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Wu, Min. "Multimedia data transmission for mobile wireless applications." Diss., Columbia, Mo. : University of Missouri-Columbia, 2005. http://hdl.handle.net/10355/4132.

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Thesis (Ph. D.)--University of Missouri-Columbia, 2005.
The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file viewed on (November 14, 2006) Vita. Includes bibliographical references.
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Dani, Janak. "Transmission distortion modeling for wireless video communication." Diss., Columbia, Mo. : University of Missouri-Columbia, 2005. http://hdl.handle.net/10355/5845.

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Thesis (M.S.)--University of Missouri-Columbia, 2005.
The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file viewed on (January 22, 2007) Includes bibliographical references.
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Zhou, Yiqing, and 周一靑. "Advanced techniques for high speed wireless communications." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B29296080.

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梁鉅輝 and Kui-fai Leung. "Enhancing transmission control protocol performance over wireless networks." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2002. http://hub.hku.hk/bib/B31227570.

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O'Brien, Kathleen. "Inductively coupled radio frequency power transmission system for wireless systems and devices /." Aachen : Shaker, 2007. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=015959229&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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Yang, Daiqin. "Transmission scheduling in single-hop and multi-hop wireless networks." Click to view the E-thesis via HKUTO, 2006. http://sunzi.lib.hku.hk/hkuto/record/B37319371.

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Books on the topic "Wireless transmission systems"

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Wireless data networking. Boston: Artech House, 1995.

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Lehpamer, Hrvoj. Transmission systems design handbook for wireless networks. Boston, MA: Artech House, 2002.

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Embracing interference in wireless systems. San Rafael]: Association for Computing Macinery and Morgan & Claypool Publishers, 2014.

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Marco, Luise, and Pupolin Silvano 1947-, eds. Broadband wireless communications: Transmission, access, and services. London: Springer, 1998.

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S, Swamy M. N., ed. Wireless communication systems. Cambridge: Cambridge University Press, 2010.

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Du, K. L. Wireless communication systems. Cambridge: Cambridge University Press, 2010.

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Hosom, David S. Feasibility of wireless data transmission on ships. Woods Hole, Mass: Woods Hole Oceanographic Institution, 1997.

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Ezio, Biglieri, ed. Principles of digital transmission: With wireless applications. New York: Kluwer Academic/Plenum Publishers, 1999.

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Wireless data technologies. Hoboken, NJ: J. Wiley, 2003.

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Gralla, Preston. How wireless works. 2nd ed. Indianapolis, Ind: Que, 2005.

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Book chapters on the topic "Wireless transmission systems"

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Blower, Gordon. "Wireless Transmission and Wavelets." In Linear Systems, 357–73. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-21240-6_11.

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Prasad, Piyush, and Nirmal Thakur. "Wireless Resonant Power Transmission." In Advances in Intelligent Systems and Computing, 417–25. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0129-1_44.

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Majidzadeh Bafar, Vahid, and Alexandre Schmid. "Power Transmission and Voltage Regulation." In Wireless Cortical Implantable Systems, 19–42. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-6702-1_3.

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Lyu, Ling, Xinping Guan, Nan Cheng, and Xuemin Sherman Shen. "Spectrum Constrained Efficient Transmission for Industrial Network Systems." In Wireless Networks, 153–91. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-26963-9_5.

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Lyu, Ling, Xinping Guan, Nan Cheng, and Xuemin Sherman Shen. "Sensing and Control Oriented Transmission for Industrial Network Systems." In Wireless Networks, 73–111. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-26963-9_3.

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Lyu, Ling, Xinping Guan, Nan Cheng, and Xuemin Sherman Shen. "Edge-assisted Transmission for 5G Enabled Industrial Network Systems." In Wireless Networks, 113–52. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-26963-9_4.

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Guan, Tao, Rong Lv, Ganhua Ye, Wei Huang, Xin Ma, and Ruimin Lu. "Research on Intelligent Transmission of Space-Based Information." In Wireless and Satellite Systems, 297–307. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-69072-4_25.

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Jiang, Zhefeng, and Shiwen Mao. "Online Channel Assignment, Transmission Scheduling, and Transmission Mode Selection in Multi-channel Full-Duplex Wireless LANs." In Wireless Algorithms, Systems, and Applications, 243–52. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-21837-3_24.

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Rohde, Christian, Holger Stadali, Javier Perez-Trufero, Simon Watts, Nader Alagha, and Riccardo De Gaudenzi. "Implementation of DVB-S2X Super-Frame Format 4 for Wideband Transmission." In Wireless and Satellite Systems, 373–87. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-25479-1_28.

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Liang, Jie, Ruhai Wang, Xingya Liu, Lei Yang, Yu Zhou, Bin Cao, and Kanglian Zhao. "Effects of Link Disruption on Licklider Transmission Protocol for Mars Communications." In Wireless and Satellite Systems, 98–108. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-93398-2_10.

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Conference papers on the topic "Wireless transmission systems"

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Bhuiyan, Rashed Hossain, MD Mazharul Islam, and Haiying Huang. "Wireless Excitation and Electrical Impedance Matching of Piezoelectric Wafer Active Sensors." In ASME 2012 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/smasis2012-8210.

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Wireless ultrasound inspections using Piezoelectric Wafer Active Sensors (PWAS) are attractive for Structural Health Monitoring (SHM). However, the impedance mismatch between the PWAS and the wireless transponder reduces the wirelessly transmitted signal strength. Electrical Impedance Matching (EIM) circuit can be introduced to maximize the power transmission between the PWAS and the wireless transponder. This paper discusses the wireless excitation of ultrasound as well as the design, simulation, and characterization of the EIM networks for PWAS. To maximize power transmission, a two port EIM network was developed using a computerized smith chart. The equivalent circuit of the PWAS and the EIM network were then combined to establish the equivalent circuit of the matched transducer. Computer simulations were carried out to evaluate the gain, the bandwidth, and the sensitivity of the EIM networks. Two-port EIM networks were implemented for both the actuator and the sensor in an ultrasound pitch-catch inspection system. The performance of the pitch-catch systems with and without the EIM networks was compared. Detailed analysis, simulation, hardware implementation, and measurement results are presented.
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Manolakis, Konstantinos, Lars Thiele, Christian Oberli, Thomas Haustein, and Volker Jungnickel. "Impairment modeling for joint transmission CoMP." In Electronic Systems Technology (Wireless VITAE). IEEE, 2011. http://dx.doi.org/10.1109/wirelessvitae.2011.5940863.

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Jaeckel, Stephan, and Volker Jungnickel. "Scalable video transmission in multiantenna broadcast systems." In 2008 European Wireless Conference (EW). IEEE, 2008. http://dx.doi.org/10.1109/ew.2008.4623894.

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M, Sakthimohan, Elizabeth Rani G, Busireddy Gnaneswr Reddy, Sadhu Lokaan Reddy, and Vangam Chennareddy. "Wireless Power Transmission Science Model." In 2021 Second International Conference on Electronics and Sustainable Communication Systems (ICESC). IEEE, 2021. http://dx.doi.org/10.1109/icesc51422.2021.9532606.

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Rankhamrat, Borromwut, and Sathaporn Promwong. "Wireless ultra wideband transmission experiments." In 2011 International Symposium on Intelligent Signal Processing and Communications Systems (ISPACS 2011). IEEE, 2011. http://dx.doi.org/10.1109/ispacs.2011.6146168.

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Kathiravan, K., R. Ramya, and Tinu Sara Titus. "Multimedia Transmission over Wireless LANs." In 2009 First International Conference on Computational Intelligence, Communication Systems and Networks (CICSYN). IEEE, 2009. http://dx.doi.org/10.1109/cicsyn.2009.37.

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Geng, Li, Zhongming Xue, Shiquan Fan, Dan Li, and Bing Zhang. "Active Rectifiers in Wireless Power Transmission Systems." In 2019 International Conference on IC Design and Technology (ICICDT). IEEE, 2019. http://dx.doi.org/10.1109/icicdt.2019.8790830.

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Oda, Akinori, Hironori Sawahara, Mai Ishiba, Kimiya Komurasaki, and Yoshihiro Arakawa. "Integration of MAV Wireless Power Transmission Systems." In 46th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2010. http://dx.doi.org/10.2514/6.2010-6627.

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Gretskih, Dmitriy, Anatoly Luchaninov, Viktor Katrich, Mikhail Nesterenko, and Andrei Gomozov. "Extemal Parameters of Wireless Power Transmission Systems." In 2019 XXIVth International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory (DIPED). IEEE, 2019. http://dx.doi.org/10.1109/diped.2019.8882592.

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Dionigi, Marco, and Mauro Mongiardo. "CAD of Efficient Wireless Power Transmission systems." In 2011 IEEE/MTT-S International Microwave Symposium - MTT 2011. IEEE, 2011. http://dx.doi.org/10.1109/mwsym.2011.5972606.

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Reports on the topic "Wireless transmission systems"

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Kong, Zhihao, and Na Lu. Determining Optimal Traffic Opening Time Through Concrete Strength Monitoring: Wireless Sensing. Purdue University, 2023. http://dx.doi.org/10.5703/1288284317613.

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Construction and concrete production are time-sensitive and fast-paced; as such, it is crucial to monitor the in-place strength development of concrete structures in real-time. Existing concrete strength testing methods, such as the traditional hydraulic compression method specified by ASTM C 39 and the maturity method specified by ASTM C 1074, are labor-intensive, time consuming, and difficult to implement in the field. INDOT’s previous research (SPR-4210) on the electromechanical impedance (EMI) technique has established its feasibility for monitoring in-situ concrete strength to determine the optimal traffic opening time. However, limitations of the data acquisition and communication systems have significantly hindered the technology’s adoption for practical applications. Furthermore, the packaging of piezoelectric sensor needs to be improved to enable robust performance and better signal quality. In this project, a wireless concrete sensor with a data transmission system was developed. It was comprised of an innovated EMI sensor and miniaturized datalogger with both wireless transmission and USB module. A cloud-based platform for data storage and computation was established, which provides the real time data visualization access to general users and data access to machine learning and data mining developers. Furthermore, field implementations were performed to prove the functionality of the innovated EMI sensor and wireless sensing system for real-time and in-place concrete strength monitoring. This project will benefit the DOTs in areas like construction, operation, and maintenance scheduling and asset management by delivering applicable concrete strength monitoring solutions.
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Bendikov, Michael, and Thomas C. Harmon. Development of Agricultural Sensors Based on Conductive Polymers. United States Department of Agriculture, August 2006. http://dx.doi.org/10.32747/2006.7591738.bard.

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In this 1-year feasibility study, we tried polymerization of several different monomers, commercial as well as novel, specially designed and synthesized for this project in the presence of the nitrate ion to produce imprinted conductive polymers. Polymers 1 and 2 (shown below) produced a response to nitrate, but one inferior to that produced by a polypyrrole (Ppy)-based sensor (which we demonstrated prior to this study). Thus, we elected to proceed with improving the stability of the Ppy-based sensor. In order to improve stability of the Ppy-based sensor, we created a two-layer design which includes nitrate-doped Ppy as an inner layer, and nitrate-doped PEDOT as the outer layer. PEDOT is known for its high environmental stability and conductivity. This design has demonstrated promise, but is still undergoing optimization and stability testing. Previously we had failed to create nitrate-doped PEDOT in the absence of a Ppy layer. Nitrate-doped PEDOT should be very promising for sensor applications due to its high stability and exceptional sensing properties as we showed previously for sensing of perchlorate ions (by perchlorate-doped PEDOT). During this year, we have succeeded in preparing nitrate-doped PEDOT (4 below) by designing a new starting monomer (compound 3 below) for polymerization. We are currently testing this design for nitrate sensing. In parallel with the fabrication design studies, we fabricated and tested nitrate-doped Ppy sensors in a series of flow studies under laboratory and field conditions. Nitrate-doped Ppy sensors are less stable than is desirable but provide excellent nitrate sensing characteristics for the short-term experiments focusing on packaging and deployment strategies. The fabricated sensors were successfully interfaced with a commercial battery-powered self-logging (Onset Computer Hobo Datalogger) and a wireless data acquisition and transmission system (Crossbow Technologies MDA300 sensor interface and Mica2 wireless mote). In a series of flow-through experiments with water, the nitrate-doped Ppy sensors were exposed to pulses of dissolved nitrate and compared favorably with an expensive commercial sensor. In 24-hour field tests in both Merced and in Palmdale, CA agricultural soils, the sensors responded to introduced nitrate pulses, but with different dynamics relative to the larger commercial sensors. These experiments are on-going but suggest a form factor (size, shape) effect of the sensor when deployed in a porous medium such as soil. To fill the need for a miniature reference electrode, we identified and tested one commercial version (Cypress Systems, ESA Mini-reference electrode) which works well but is expensive ($190). To create an inexpensive miniature reference electrode, we are exploring the use of AgCl-coated silver wire. This electrode is not a “true” reference electrode; however, it can calibrated once versus a commercial reference electrode at the time of deployment in soil. Thus, only one commercial reference electrode would suffice to support a multiple sensor deployment.
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