Relevant bibliographies by topics / Bi-directional communications

Academic literature on the topic 'Bi-directional communications'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Bi-directional communications"

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Kim, Sang Joon, Natasha Devroye, and Vahid Tarokh. "Bi-directional half-duplex relaying protocols." Journal of Communications and Networks 11, no. 5 (October 2009): 433–44. http://dx.doi.org/10.1109/jcn.2009.6388387.

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Wu, Nan, Chengguo Liu, Bin Zhang, Shuai Zhou, Jingwei Zhang, and Zhi P. Wu. "Wireless bi-directional data link for smart temperature recording." Transactions of the Institute of Measurement and Control 39, no. 4 (November 19, 2016): 420–28. http://dx.doi.org/10.1177/0142331216675402.

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In application systems of the Internet of Things (IoT), real-time monitoring and control of the systems need to be realized with wireless communications from machine to machine (M2M), especially under harsh application scenarios. The data link of the M2M communication has also a critical effect on the system in the application. In this paper, a wireless bi-directional data link for smart temperature recording is reported. The radio frequency hardware employed consists of NRF24L01 wireless transceivers, RFX2401 amplifiers and matching network sand antennas. The microcontroller unit (MCU) is based on the STM32F103VET6 chip, which controls the NRF24L01 by a four-pin serial peripheral interface (SPI) to realize the bi-directional data link, and the sensor data are sampled with 12-bit analogue-to-digital converters (ADCs). The communication is realized as the interrupt request (IRQ) signal of the NRF24L01 changes periodically. A look-up table and a linear optimization method are also implemented to improve the accuracy of ADC data. The bi-directional data link is then applied to a wired heating control system. The results show that temperature data can be transmitted and received over a distance up to 320 m in an open environment and 52 m in an indoor complex environment with the hardware implemented. The real-time temperature data can be displayed on a computer or a handheld device. Wireless M2M communication and control are thus demonstrated.
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Hua, H. "A Bi-Directional Procedural Model for Architectural Design." Computer Graphics Forum 36, no. 8 (December 2, 2016): 219–31. http://dx.doi.org/10.1111/cgf.13074.

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Li, Ji, Kwan L. Yeung, and Chun-Kit Chan. "Efficient path protection in bi-directional WDM systems." Computer Networks 52, no. 6 (April 2008): 1166–78. http://dx.doi.org/10.1016/j.comnet.2008.01.001.

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Sun, Xiaofeng, Chun-kit Chan, Zhaoxin Wang, Chinlon Lin, and Lian-kuan Chen. "A single-fiber bi-directional WDM self-healing ring network with bi-directional OADM for metro-access applications." IEEE Journal on Selected Areas in Communications 25, no. 3 (April 2007): 18–24. http://dx.doi.org/10.1109/jsac-ocn.2007.023305.

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Wang, Ning, and George Pavlou. "Scalable sender access control for bi-directional multicast routing." Computer Networks 43, no. 5 (December 2003): 539–55. http://dx.doi.org/10.1016/s1389-1286(03)00289-5.

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Almishari, Mishari, Paolo Gasti, Naveen Nathan, and Gene Tsudik. "Optimizing bi-directional low-latency communication in named data networking." ACM SIGCOMM Computer Communication Review 44, no. 1 (December 31, 2013): 13–19. http://dx.doi.org/10.1145/2567561.2567564.

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Jiang, Weitao, Weixuan Wang, and Haifeng Hu. "Bi-Directional Co-Attention Network for Image Captioning." ACM Transactions on Multimedia Computing, Communications, and Applications 17, no. 4 (November 30, 2021): 1–20. http://dx.doi.org/10.1145/3460474.

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Image Captioning, which automatically describes an image with natural language, is regarded as a fundamental challenge in computer vision. In recent years, significant advance has been made in image captioning through improving attention mechanism. However, most existing methods construct attention mechanisms based on singular visual features, such as patch features or object features, which limits the accuracy of generated captions. In this article, we propose a Bidirectional Co-Attention Network (BCAN) that combines multiple visual features to provide information from different aspects. Different features are associated with predicting different words, and there are a priori relations between these multiple visual features. Based on this, we further propose a bottom-up and top-down bi-directional co-attention mechanism to extract discriminative attention information. Furthermore, most existing methods do not exploit an effective multimodal integration strategy, generally using addition or concatenation to combine features. To solve this problem, we adopt the Multivariate Residual Module (MRM) to integrate multimodal attention features. Meanwhile, we further propose a Vertical MRM to integrate features of the same category, and a Horizontal MRM to combine features of the different categories, which can balance the contribution of the bottom-up co-attention and the top-down co-attention. In contrast to the existing methods, the BCAN is able to obtain complementary information from multiple visual features via the bi-directional co-attention strategy, and integrate multimodal information via the improved multivariate residual strategy. We conduct a series of experiments on two benchmark datasets (MSCOCO and Flickr30k), and the results indicate that the proposed BCAN achieves the superior performance.
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Hafeez, Maryam, and J. M. H. Elmirghani. "Analysis of Dynamic Spectrum Leasing for Coded Bi-Directional Communication." IEEE Journal on Selected Areas in Communications 30, no. 8 (September 2012): 1500–1512. http://dx.doi.org/10.1109/jsac.2012.120918.

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Ju, Hyungsik, Dongkyu Kim, H. Vincent Poor, and Daesik Hong. "Bi-Directional Beamforming and its Capacity Scaling in Pairwise Two-Way Communications." IEEE Transactions on Wireless Communications 11, no. 1 (January 2012): 346–57. http://dx.doi.org/10.1109/twc.2011.111611.110970.

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Dissertations / Theses on the topic "Bi-directional communications"

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Wang, Shih-Cheng. "Alignment tolerant, single-fiber, bi-directional link." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/13841.

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Okumura, Ryota. "Efficient Bi-Directional Communications for Low-Power Wireless Mesh Network." Doctoral thesis, Kyoto University, 2021. http://hdl.handle.net/2433/263789.

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京都大学
新制・課程博士
博士(情報学)
甲第23328号
情博第764号
新制||情||130(附属図書館)
京都大学大学院情報学研究科通信情報システム専攻
(主査)教授 原田 博司, 教授 守倉 正博, 教授 大木 英司
学位規則第4条第1項該当
Doctor of Informatics
Kyoto University
DFAM
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Akanbi, Oladeji Bamidele. "Bi-directional Dense Wavelength Division Multiplexed Systems for Broadband Access Networks." Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/13964.

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Dense wavelength division multiplexing (DWDM) is becoming the technology of choice for meeting the increasing bandwidth demands in optical networks. DWDM has been used to increase the capacity of long-haul optical transport systems. Efforts are being made to move DWDM into the broadband access network serving residential and business subscribers. First, a new centralized DWDM PON scheme is demonstrated for bi-directional upstream and downstream transmissions. The proposed DWDM PON scheme is implemented using optical carrier suppression and separation (OCSS) technology to generate a wavelength pair from a single laser source at the central office. This method enables the co-location of both upstream and downstream DWDM transmitters in the central office. In addition, the complexity, cost, and maintenance of the optical network unit are reduced by enabling wavelength independent operation. Second, a new multistage architecture is proposed for the delivery of information to groups of subscribers located at different distances from the central office. A 25 GHz DWDM comb is generated using OCSS technology, and error-free transmission of four 10 Gbps channels is demonstrated. Finally, a new wide area access network with bi-directional DWDM amplification using semiconductor optical amplifiers (SOAs) is demonstrated. The detrimental effect of SOA crosstalk resulting from cross gain modulation can be suppressed using a constant intensity modulation format such as differential phase shift keying (DPSK). The feasibiity of bi-directional DPSK transmission of 16 interleaved DWDM channels using an in-line SOA has been studied experimentally. In addition, the reduction of bi-directional SOA reflections has been realized by optimizing the SOA bias current and facet reflectivities.
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Geddis, Demetris Lemarcus. "Single fiber bi-directional OE links using 3D stacked thin film emitters and detectors." Diss., Available online, Georgia Institute of Technology, 2004:, 2003. http://etd.gatech.edu/theses/available/etd-04082004-180141/unrestricted/geddis%5Fdemetris%5Fl%5F200312%5Fphd.pdf.

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SivaSiva, Ganesan Rakash [Verfasser], Anja [Akademischer Betreuer] Klein, and Tobias [Akademischer Betreuer] Weber. "Relay-aided interference alignment for bi-directional communications in wireless networks / Rakash SivaSiva Ganesan. Betreuer: Anja Klein ; Tobias Weber." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2015. http://d-nb.info/1111113394/34.

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Ndiaye, Fatou. "Proof-of-Concept of Bi-directional Broadcast Communication." Thesis, KTH, Kommunikationsteori, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-104001.

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From a theoretical perspective, the bi-directional broadcast communication which follows from the network coding idea has been studied extensively in the literature. However, despite the potential gain, not much practical work has been realized. In this thesis, we designed and implemented the traditional bi-directional relaying with 4-phases and the bi-directional communication with XOR network coding with 3-phases schemes using Wireless Open Access Research Platform (WARP) boards. Our experimental results show that when we have low packet error rate, there is an approximately 30% throughput gain in the bi-directional communication with network coding. However, when the link quality degrades, the bene t of the bi-directional communication with network coding scheme becomes less apparent and the traditional bi-directional relaying tends to perform better. It is observed that the performance relates directly to the packet-error rate of the weakest node-relay link.
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Oung, Kar Boon. "Application of OFDM in broadcasting and bi-directional communication systems." Thesis, University of Leeds, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.396907.

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Smendziuk, Christopher Michael. "Bi-directional gap junction-mediated soma-germline communication during Drosophila spermatogenesis." Thesis, University of British Columbia, 2016. http://hdl.handle.net/2429/57897.

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Soma-germline interactions play conserved essential roles in regulating cell proliferation, differentiation, patterning, and homeostasis in the gonad. In the Drosophila testis, the JAK-STAT, Hedgehog, BMP and EGF pathways are used to mediate soma-germline communication via paracrine signalling. In this thesis, I aim to shed light on the role of juxtacrine signalling, mediated by gap junction proteins, during early spermatogenesis in the fly testis. My analysis demonstrates that gap junctions also mediate direct, bi-directional signalling between the soma and germline. When gap junctions between the soma and germline are disrupted, germline differentiation is blocked and germline stem cells are not maintained. In the soma, gap junctions are required to regulate proliferation and differentiation. Gap junctions are present between germline and somatic stem cells, as well as between differentiating cells by ultrastructural analysis. Localization and RNAi-mediated knockdown studies reveal that gap junctions in the fly testis are heterotypic channels containing Zpg (Inx4) and Inx2 in the germline and in the soma, respectively. Preliminary structure-function analysis of Zpg reveals that the C-terminus of the protein is essential for its function. Furthermore, gap junctions in the testis may be important for mediating calcium signalling. Overall, my results show that bi-directional gap junction-mediated signalling is essential to coordinate the soma and germline to ensure proper spermatogenesis in Drosophila. Moreover, I show that stem cell maintenance and differentiation in the testis are directed by gap junction-derived cues.
Medicine, Faculty of
Graduate
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Kamsula, P. (Pekka). "Design and implementation of a bi-directional visible light communication testbed." Master's thesis, University of Oulu, 2015. http://jultika.oulu.fi/Record/nbnfioulu-201502141097.

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Abstract. This work defines a bi-directional visible light communication (VLC) testbed design and implementation process using Universal Software Radio Peripheral (USRP) software defined radios (SDR) and open-source software. The visible light communication design uses LED light sources for wireless communications purposes. The testbed combines light, infrared and radio frequencies as wireless media to be utilized in a hybrid wireless communication system. Bi-directional communication at 12.5 Mbps bit rate was successfully achieved and only limited by a sample rate of the USRP system. The achieved communication distance was in the range of 0.5 to 7 meters depending on the used optics. A TCP-IP communication and access to the Internet was also established by using light and infrared communication links. The Internet connection was also established by using power line communication for providing data to the lighting through the existing power line cables. The results in the work were obtained by using a GMSK modulation. Also, GFSK, QPSK, 8-PSK, 16-QAM and OFDM modulation were initially tested for future study.Kaksisuuntaisen näkyvän valon tiedonsiirtotestialustan suunnittelu ja toteutus. Tiivistelmä. Työssä suunnitellaan ja rakennetaan kaksisuuntainen kokeiluympäristö valon käyttöön langattomassa tiedonsiirrossa käyttäen ohjelmistoradioita ja avoimen lähdekoodin ohjelmistoja. Kokeiluympäristössä voidaan tutkia ja käyttää valon, Infrapunan ja radioaaltojen taajuusalueita tiedonsiirtoon. Valon tiedonsiirrossa käytetään valaistuskäyttöön suunniteltuja LED valaisimia sekä valaistukseen että tiedonsiirtoon. Työssä saavuttiin laitteiston näytteistystaajuuden rajoittama kaksisuuntainen 12,5 Mb/s tiedonsiirtonopeus ja käytetyn optiikan ominaisuuksista sekä tiedonsiirtonopeudesta riippuvainen tiedonsiirtoetäisyys 0,5–7 metriä. Järjestelmään ohjelmoitiin valo- ja infrapunalinkin avulla toimiva TCP-IP yhteys Internetiin. Internet yhteys valaisimelle onnistuttiin siirtämään myös käyttäen sähköverkon valmiita kaapelointeja. Työn tulokset saavuttiin käyttäen GMSK moduloitua signaalia. Myös GFSK, QPSK, 8-PSK, 16-QAM ja OFDM modulaatioiden toimivuus testattiin tutkimuksen jatkoa varten.
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Ascano, Janice Mae. "JAGGED1 Mediates Bi-Directional Cell-Cell Communication: Implications in Carcinogenesis and Thymic Development." University of Cincinnati / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1109018032.

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Books on the topic "Bi-directional communications"

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An analysis of bi-directional use of frequencies for satellite communications. [Cleveland, Ohio: National Aeronautics and Space Administration, Lewis Research Center, 1986.

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A, Whyte Wayne, and Lewis Research Center, eds. An analysis of bi-directional use of frequencies for satellite communications. [Cleveland, Ohio: National Aeronautics and Space Administration, Lewis Research Center, 1986.

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Book chapters on the topic "Bi-directional communications"

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Komoto, Kyosuke, Hiroaki Aizawa, and Kunihito Kato. "Consistency Ensured Bi-directional GAN for Anomaly Detection." In Communications in Computer and Information Science, 236–47. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4818-5_18.

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Xue, Jingming, Lu Huang, Qiang Liu, and Jianping Yin. "A Bi-directional Evolution Algorithm for Financial Recommendation Model." In Communications in Computer and Information Science, 341–54. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-6893-5_25.

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Li, Qingyang, Zhenlin Fan, and Guoqiang Zhong. "BEDNet: Bi-directional Edge Detection Network for Ocean Front Detection." In Communications in Computer and Information Science, 312–19. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-63820-7_35.

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Park, Ji Hwan, Sook Ee Jeong, and Chang Soo Kim. "Robust and Fragile Watermarking Techniques for Documents Using Bi-directional Diagonal Profiles." In Information and Communications Security, 483–94. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/3-540-45600-7_55.

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Ji, Yu. "Fake News Detection Based on a Bi-directional LSTM with CNN." In Communications in Computer and Information Science, 36–44. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-8885-0_4.

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Hiremath, Shraddha B., Saroja V. Siddamal, Nalini C. Iyer, and Sujata Kotabagi. "Design and Implementation of Bi-directional IO for Elapsed Time Counter Application." In Communications in Computer and Information Science, 311–21. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-5048-2_25.

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Kim, Sohee, Seongho Gi, Bangwoon Song, Seungkyou Choi, and Dae-Seok Rho. "Evaluation Algorithm for Bi-directional Protection Coordination in Distribution System with Distributed Generations." In Communications in Computer and Information Science, 95–101. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-27180-9_12.

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Jha, Kanchan, Sriparna Saha, and Matloob Khushi. "Protein-Protein Interactions Prediction Based on Bi-directional Gated Recurrent Unit and Multimodal Representation." In Communications in Computer and Information Science, 164–71. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-63823-8_20.

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Yan, Dan, Jianhua Mao, Xuefeng Liu, and Minglai Yang. "Subway Timetable Adjusting Method Research of Bi-directional Trains Arriving at a Station Asynchronously." In Communications in Computer and Information Science, 198–210. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-2209-8_17.

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Zhang, Chunyue, and Tiejun Zhao. "Re-ranking for Bilingual Lexicon Extraction with Bi-directional Linear Transformation from Comparable Corpora." In Communications in Computer and Information Science, 25–34. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-3635-4_3.

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Conference papers on the topic "Bi-directional communications"

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Garrett, Lara D., and Michael H. Eiselt. "Bi-directional single-fiber transmission." In Asia-Pacific Optical Communications, edited by Cedric F. Lam, Wanyi Gu, Norbert Hanik, and Kimio Oguchi. SPIE, 2005. http://dx.doi.org/10.1117/12.563138.

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Xiaofeng Sun. "A single-fiber bi-directional self-healing WDM metro-ring network with bi-directional OADM." In 31st European Conference on Optical Communications (ECOC 2005). IEE, 2005. http://dx.doi.org/10.1049/cp:20050620.

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Zhou, Hao, Michael L. Honig, Jialing Liu, and Weimin Xiao. "Bi-Directional Training for FDD Systems." In GLOBECOM 2019 - 2019 IEEE Global Communications Conference. IEEE, 2019. http://dx.doi.org/10.1109/globecom38437.2019.9013203.

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Guo, Nan, Liang Wang, Jie Wang, Chao Jin, Haw-Yaw Tam, A.-ping Zhang, and Chao Lu. "Distributed Sensing using Bi-Directional BOTDA System." In Asia Communications and Photonics Conference. Washington, D.C.: OSA, 2015. http://dx.doi.org/10.1364/acpc.2015.as4i.6.

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Weijun Zeng, Xiaofu Wu, and Zhen Yang. "Turbo DPSK in Bi-directional relaying." In 2013 IEEE Wireless Communications and Networking Conference Workshops (WCNCW). IEEE, 2013. http://dx.doi.org/10.1109/wcncw.2013.6533332.

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Schad, Adrian, and Marius Pesavento. "Multiuser bi-directional communications in cooperative relay networks." In 2011 4th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP). IEEE, 2011. http://dx.doi.org/10.1109/camsap.2011.6135986.

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Kim, Sang Joon, Patrick Mitran, Christina John, Reza Ghanadan, and Vahid Tarokh. "Coded Bi-Directional Relaying in Combat Scenarios." In MILCOM 2007 - IEEE Military Communications Conference. IEEE, 2007. http://dx.doi.org/10.1109/milcom.2007.4455154.

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Thai, Chan T. D., June-Koo Kevin Rhee, Jinoo Joung, and Sungbo Yang. "Bi-Directional Relay for Coded Cooperation." In 2008 4th International Conference on Wireless Communications, Networking and Mobile Computing (WiCOM). IEEE, 2008. http://dx.doi.org/10.1109/wicom.2008.590.

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Jeong, S., and J. Moon. "Turbo Equalization Based on Bi-Directional DFE." In ICC 2010 - 2010 IEEE International Conference on Communications. IEEE, 2010. http://dx.doi.org/10.1109/icc.2010.5502000.

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Hui Han, Min Zhang, Pengfei Luo, Weishu Xu, Dahai Han, and Menglong Wu. "Real-time bi-directional visible light communication system." In 2016 15th International Conference on Optical Communications and Networks (ICOCN). IEEE, 2016. http://dx.doi.org/10.1109/icocn.2016.7875721.

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