Mãhóamạnghệthốngmạnghợptácchuyểntiếp(NetworkCodingonCooperativeRelayNetwoks) Lâm Sinh Công Trường Đại học Công nghệ Chuyên ngành: Kỹ thuật Điện tử; Mã số: 60 52 70 Người hướng dẫn: TS Nguyễn Quốc Tuấn Năm bảo vệ: 2012 Abstract: In communication, Cooperative Diversity Relaying refers to devices communicating with one another with the help of relays in order to increase the performance of the network However, in one timeslot, the relay only trans-mits the signal of one source Therefore, Network Coding is introduced to improve the throughput of the network Combining CooperativeRelay Net-work and Network Coding should be studied toachieve signi cant bene ts and overcome some weakness In this thesis, we consider the eect of Net- work CodingonCooperativeRelay Network We propose to use Selection Decode-and-Forward instead of Traditional Decode-and-Forward protocol at the relay We also use the instantaneous channel gains to calculate the outage probability of the proposal system model The rest of the thesis is organized as follows In Chapter II, the system model of a multiple-relay etwork is described The outage probability is calculated in Chapter III Finally, the conclusions and the future works are drawn in Section IV Keywords: hợptác Kỹ thuật điện tử; Mạng truyền thơng; Mãhóa mạng; Mạngchuyểntiếp Contents Abstract 1 Introduction 1.1 1.2 1.3 Introduction to cooperativerelay networks 1.1.1 The relay protocols 1.1.2 Advantages of Cooperative Diversity Relaying Networks Introduction to Network Coding 1.2.1 Non-Binary and Binary Network Coding 1.2.2 Advantages of Network Coding 1.2.3 Weaknesses of Network Coding 11 Cooperative Diversity Relaying Networks using network coding 13 System models 15 2.1 Traditional Relay Multiple-Wireless Networks 16 2.2 Single Relay Networks using Network Coding 20 2.3 Multiple-Relay Networks using Network Coding 22 Outage Probability Calculations 24 3.1 Mutual Information 24 3.2 Outage Probability Definition 25 3.3 Outage Probability of Multiple-Relay Networks 27 3.3.1 Traditional Decode-and-Forward relaying 27 3.3.2 Selection Decode-and-Forward relaying 29 3.4 Outage Probability of Single Relay Networks using Network coding 32 3.5 Outage Probability of Multiple-Relay Networks using Network Coding 36 Conclusions and Future Works 42 iii Bibliography [1] [Online] Available: http://en.wikipedia.org/wiki/Diversity scheme [2] K J RAYLIU, A K SADEK, W SU, and A KWASINSKI, Cooperative Communications and Networking, ninth dover printing, tenth gpo printing ed New York: Dover, 1964 [3] G Liu and Y Meng, “Completely opportunistic approach to network coding using in wireless network,” in Proc 4th Int Conf Wireless Communications, Networking and Mobile Computing (WiCOM 2008), 2008, pp 1–3 [4] D Tse and P Viswanath, Fundamentals ofWireless Communication CambridgeUni- versity Press, 2005 [5] Y R W and Z Z, “Distributed source coding for satel-lite communications,” IEEE Transactions on Information Theory, vol 45, p 11111120, 1999 [6] R Ahlswede, N Cai, S.-Y R Li, and R W Yeung, “Network information flow,” IEEE transactions on information theory, vol 46, pp 1204–1216, 2000 [7] M Xiao and M Skoglund, “Design of network codes for multiple-user multiple-relay wireless networks,” in ISIT 2009, June, 2009 [8] L Li, K Fan, and D Long, “Nonlinear network coding: A case study,” in IMECS 2008, March 2008 [9] R W Yeung, Information Theory and Network Coding Springer, May 31, 2008 [10] T Noguchi, T Matsuda, and MikiYamamoto, “Performance evaluation of new multicast architecture with network coding,” IEICE Trans Comm, vol E86-B, pp 1788–1795, 2003 44 [11] S Katti, H Rahul, W Hu, D Katabi, M Medard, and J Crowcroft, “Xors in the air: Practical wireless network coding,” IEEE/ACM Transactions on Networking, vol 16, no 3, pp 497–510, 2008 [12] Y Wu, P A Chou, and S.-Y Kung, “Information exchange inwireless networks with network coding and physical-layer broadcast,” Microsoft Research, Tech Rep MSR-TR2004-78, 2004 [13] S Fu, K Lu, Y Qian, and M Varanasi, “Cooperative network coding for wireless ad-hoc networks,” in IEEE GLOBECOM, vol 3, 2007, pp 812–816 [14] M Iezzi, M Di Renzo, and F Graziosi, “Network code design from unequal error protection coding: Channel-aware receiver design and diversity analysis,” in Communications (ICC), 2011 IEEE International Conference on, june 2011, pp –6 [15] J N Laneman and D Tse., “Cooperative diversity in wireless networks: Efficient protocols and outage behavior,” IEEE Trans Inform, vol 50, no 3, pp 3062–3080, 2004 [16] D T Nguyen, Q T Nguyen, and T C Chung, “Outage probability analysis of cooperative diversity df relaying under rayleigh fading,” in Proc Int Conf Advanced Technologies for Communications (ATC 2011), Danang, Vietnam, 2011, pp 116–120 [17] A Hst-Madsen and J Zhang, “Capacity bounds and power allocation for the wireless relay channel,” IEEE Trans Inform Theory, vol 51, no 3, pp 2020–2040, 2005 [18] Y Wang, C Hu, H Liu, M Peng, and W Wang, “Network coding in cooperativerelay networks,” in Proc IEEE 19th Int Symp Personal, Indoor and Mobile Radio Communications (PIMRC 2008), 2008, pp 1–5 [19] C L Sinh, T Q Nguyen, and P Duhamel, “Performance of network coding enabled diversity relay networks,” in The Proceedings of ATC 2012, Ha Noi, Viet Nam, 213-217 [20] X.-T Vu, M D Renzo, and P Duhamel, “Optimal and low-complexity iterative joint network/channel decoding for the multiple-access relay channel,” in ICASSP, 2011 [21] J Proakis, Digital Communications, F Edition, Ed McGraw Hill, 2000 45 [22] Y Chen, S Kishore, and J Li, “Wireless diversity through network coding,” in Proc IEEE Wireless Communications and Networking Conf (WCNC 2006), vol 3, 2006, pp 1681–1686 [23] A Nosratinia, T E Hunter, and A Hedayat, “Cooperative communication in wireless networks,” IEEE Communications Magazine, vol 42, no 10, pp 74–80, Oct 2004 [24] a M S Ming Xiao, “Multiple-user cooperativecommunications based on linear network coding,” IEEE TRANSACTIONS ON COMMUNICATIONS, vol 58, pp 3345–3351, DECEMBER 2010 46 ... Fundamentals ofWireless Communication CambridgeUni- versity Press, 2005 [5] Y R W and Z Z, “Distributed source coding for satel-lite communications,” IEEE Transactions on Information Theory, vol 45, p 11111120,...Contents Abstract 1 Introduction 1.1 1.2 1.3 Introduction to cooperative relay networks 1.1.1 The relay protocols 1.1.2 Advantages of Cooperative. .. protection coding: Channel-aware receiver design and diversity analysis,” in Communications (ICC), 2011 IEEE International Conference on, june 2011, pp –6 [15] J N Laneman and D Tse., “Cooperative