Nghiên cứu phát triển kỹ thuật mã hóa mạng lớp vật lý trong hệ thống chuyển tiếp vô tuyến hai chiều

BË GI•O DƯC V€ €O T„O BË QC PHÁNG HÅC VI›N Kß THUŠT QU…N SÜ NGUY™N HÚU MINH NGHI–N CÙU PHT TRIN Kò THUT M HA MNG LẻP VT Lị TRONG H› THÈNG CHUYšN TI˜P VỈ TUY˜N HAI CHI—U LUŠN •N TI˜N Sž Kß THUŠT H€ NËI - 2019 BË GI•O DƯC V€ €O T„O BË QC PHÁNG HÅC VI›N Kò THUT QUN Sĩ NGUYN HU MINH NGHIN CU PHT TRIN Kò THUT M HA MNG LẻP VT Lị TRONG H THẩNG CHUYN TIP Vặ TUYN HAI CHIU LUN N TIN S Kò THUT Chuyản ng nh: Kò THUT IN T M số: 52 02 03 NGìI HìẻNG DN KHOA HÅC: TS PH„M V‹N BIšN PGS.TS TR†N XU…N NAM H€ NËI - 2019 LÍI CAM OAN Tỉi xin cam oan cĂc kát quÊ trẳnh b y Luên Ăn l cổng trẳnh nghiản cựu cừa tổi dữợi sỹ dăn d-t cừa cĂc cĂn bở hữợng dăn CĂc số liằu, kát quÊ trẳnh b y Luên Ăn l ho n to n trung thüc v ch÷a ÷đc cỉng bè bĐt ký cổng trẳnh n o trữợc Ơy CĂc kát quÊ sỷ dửng tham khÊo ãu  ữủc trẵch dăn Ưy v theo úng quy nh H Nởi, ng y 22 thĂng nôm 2019 TĂc giÊ Nguyạn Hỳu Minh LI CM èN Trong quĂ trẳnh nghiản cựu v ho n th nh Luên Ăn n y, Nghiản cựu sinh  nhên ữủc nhiãu sỹ giúp ù v õng gõp quỵ bĂu Ngữới Ưu tiản Nghiản cựu sinh xin b y tä láng c£m ìn s¥u s-c l cĂc ThƯy giĂo hữợng dăn TS PhÔm Vôn Bin v PGS.TS TrƯn XuƠn Nam CĂc ThƯy khổng ch l ngữới hữợng dăn, giúp ù Nghiản cựu sinh ho n th nh Luên Ăn n y m cỏn l ngữới nh hữợng, truyãn thử ởng lỹc trản ữớng nghiản cựu khoa håc chỉng gai v nhi·u gian khê Nghi¶n cùu sinh cụng chƠn th nh cĂm ỡn cĂc ThƯy giĂo Bë mỉn Thỉng tin, Khoa Vỉ tuy¸n i»n tû, Hồc viằn K thuêt QuƠn sỹ, nỡi Nghiản cựu sinh l m viằc,  tên tẳnh hữợng dăn ch bÊo thới gian Nghiản cựu sinh nghiản cựu tÔi Ơy Nghiản cựu sinh chƠn th nh cĂm ỡn cĂc anh ch nhƠn viản k thuêt Bở mổn Thổng tin, cĂc ỗng nghiằp v nhõm nghiản cựu  luổn giúp ù chia s nhỳng khõ khôn quĂ trẳnh ho n th nh Luên Ăn n y Cuối cũng, Nghiản cùu sinh b y tä láng bi¸t ìn ¸n gia ẳnh v ngữới thƠn  luổn kp thới ởng viản v chia s nhỳng khõ khôn giúp Nghiản cựu sinh ho n th nh nëi dung nghi¶n cùu cõa m¼nh MƯC LƯC MƯC LƯC DANH MƯC C•C TØ VI˜T T•T v DANH S•CH HœNH V“ vii DANH S•CH BƒNG x DANH MệC CC Kị HIU TON HC xiii MÐ †U Ch÷ìng Kß THUŠT TRUY—N DˆN CÌ BƒN TRONG M„NG CHUYšN TI˜P VỈ TUY˜N HAI CHI—U 10 1.1 MÔng chuyn tiáp vỉ tuy¸n hai chi·u 10 1.1.1 Kh¡i qu¡t chung 10 1.1.2 Ùng dưng cõa chuyºn ti¸p vỉ tuy¸n hai chi·u 11 1.2 Mët số k thuêt truyãn dăn cỡ bÊn mÔng chuyn ti¸p vỉ tuy¸n hai chi·u 12 1.2.1 Chuyºn ti¸p hai chi·u truy·n thèng 12 1.2.2 Chuyn tiáp hai chiãu sỷ dửng k thuêt m hõa mÔng 14 1.2.3 K thuêt m hõa mÔng kát hủp truyãn dăn MIMO cho mÔng chuyn tiáp vổ tuyán hai chiãu 20 1.2.4 K thuêt m hõa mÔng kát hủp iãu chá khổng gian cho mÔng chuyn tiáp vổ tuy¸n hai chi·u 24 i ii 1.3 Bèi c£nh nghi¶n cùu 29 1.3.1 CĂc nghiản cựu liản quan án k thuªt PNC 29 1.3.2 CĂc nghiản cựu liản quan án k thuêt PNC kát hủp MIMO 34 1.3.3 CĂc nghiản cựu liản quan án k thuêt PNC kát hủp SM 36 1.4 Kát luên chữỡng 38 Chữỡng M HA MNG LẻP VT Lị NH X PHI TUYN CHO MNG CHUYN TIP HAI CHI—U 39 2.1 M hõa mÔng lợp vêt lỵ sỷ dửng Ănh xÔ phi tuyán 39 2.1.1 Têng quan vã chuyn tiáp hai chiãu sỷ dửng m hõa mÔng dỹa trản ữợc lữủng ML 39 2.1.2 ã xuĐt phữỡng phĂp ữợc lữủng v Ănh xÔ m hõa mÔng 43 2.1.3 Kát quÊ mổ phọng v so sĂnh phâm ch§t 46 2.2 Kát hủp m hõa mÔng lợp vêt lỵ Ănh xÔ phi tuyán vợi chuyn tiáp hai chiãu MIMO 50 2.2.1 Mổ hẳnh chuyn tiáp hai chiãu MIMO-STBC kát hủp PNC 50 2.2.2 CĐu hẳnh STBC k¸t hđp PNC 52 2.2.3 Ph÷ìng ph¡p lüa chån nót chuyn tiáp dỹa trản cỹc tiu cổng suĐt nhiạu 59 2.2.4 Nghiản cựu phực tÔp tẵnh toĂn 60 2.2.5 Ănh giĂ phâm chĐt 61 2.3 Kát luên chữỡng 65 iii Chữỡng M HA MNG LẻP VT Lị NH X TUYN TNH CHO MNG CHUYN TIP HAI CHI—U 66 3.1 Mỉ h¼nh h» thèng 66 3.2 M hõa mÔng lợp vêt lỵ kát hủp giỳa lữủng tỷ hõa kảnh v ữợc lữủng dỹa trản loÔi bọ nhiạu SIC 68 3.2.1 QSIC-PNC cho nút chuyn tiáp ỡn ông-ten 68 3.2.2 QSIC-PNC cho nót chuyn tiáp a ông-ten 76 3.3 PhƠn tẵch Ênh hững cừa th nh phƯn nhiạu lx2 án quyát nh tẵn hiằu (x1 + Lx2) 81 3.3.1 Tr÷íng hđp K = 81 3.3.2 Tr÷íng hđp K 82 3.4 Nghiản cựu phực tÔp tẵnh toĂn cừa ữợc lữủng 83 3.5 Kát quÊ mổ phọng v phƠn tẵch phâm ch§t 85 3.5.1 So sĂnh phâm chĐt SER 85 3.5.2 So s¡nh thæng l÷đng pha MA 86 3.5.3 So sĂnh cĂc phữỡng phĂp Ănh xÔ khĂc 87 3.5.4 So s¡nh phực tÔp xỷ lỵ 88 3.6 Kát luên chữỡng 89 Ch÷ìng K˜T HĐP M‚ HÂA M„NG LẻP VT Lị NH X TUYN TNH VẻI I U CH˜ KHỈNG GIAN CHO CHUYšN TI˜P HAI CHI—U 90 4.1 Tờng quan vã k thuêt SM kát hủp PNC Ănh xÔ tuyán tẵnh dỹa trản ữợc lữủng ML cho chuyºn ti¸p hai chi·u 90 iv 4.2 M hõa mÔng dỹa v o ữợc lữủng phực tÔp thĐp tÔi nót chuyºn ti¸p 94 4.2.1 · xu§t phữỡng phĂp ữợc lữủng phực tÔp thĐp SM-QSIC 4.2.2 Thi¸t k¸ chám (x (1) + Lx (2)) v h m quy¸t ành 95 99 ^ Q( ) 4.3 Nghiản cựu phực tÔp tẵnh toĂn cừa ÷ỵc l÷đng 4.3.1 ^ Q( ) Nghi¶n cựu phực tÔp cừa h m quyát inh Q( ) v 4.3.2 XĂc nh phực tÔp cừa cĂc phữỡng phĂp ữợc lữủng 4.4 Kát quÊ mổ phọng v phƠn tẵch phâm chĐt 104 104 106 107 4.5 Kát luên chữỡng 112 KT LUN V HìẻNG NGHIN CU TìèNG LAI 113 PHÖ LÖC 116 DANH MệC CC CặNG TRNH CặNG Bẩ 121 T€I LI›U THAM KHƒO 123 DANH MệC CC Tỉ VIT TT Tứ viát t-t 1G Nghắa Tiáng Anh the first Generation Nghắa Tiáng Viằt Thá hằ thự nhĐt 4G the fourth Generation Thá hằ thự tữ 5G the fifth Generation Thá hằ thự nôm AWGN Additive White Gaussian TÔp Ơm tr-ng chuân cởng Noise tẵnh AF Amplify-and-Forward Khuách Ôi v chuyn tiáp ANC Analog Network Coding M hõa mÔng tữỡng tỹ BC Broadcast QuÊng bĂ BER Bit Error Rate T lằ lội bẵt BM Beamforming TÔo dÔng búp sõng BPSK Binary Phase Shift Keying Khõa dch pha nh phƠn BS Base Station TrÔm gốc CQ Channel Quantization Lữủng tỷ hõa kảnh CSI Channel State Information Thổng tin trÔng thĂi kảnh DF Decode-and-Forward GiÊi m v chuyn tiáp DNC Digital Network Coding M hõa mÔng số DNF Denoise-and-Forward HÔn chá tÔp Ơm v chuyn tiáp FD Full Duplex Song cæng ho n to n FER Frame Error Rate T l» léi khung GSM Generalized Spatial Modu- i·u ch¸ khỉng gian têng lation qu¡t v 118 chóng câ còng gi¡ trà ph¦n thüc v ph¦n £o X²t hai chám cõa t½n hi»u (xa1 + (Lr + jLi)xa2) v (xb1 + (jLrj + j jLij)xb2), â xa1; xb1; xa2; xb2 l c¡c t½n hi»u thuëc chám M-QAM (xa1 + (Lr + jLi)xa2) = (xa1r + Lrxa2r > Lixa2i) +j(x + L x + Lx ) > a 1i r a 2i i a 2r > > > > < L x (xb1 + ( Lr + j Li )xb2) = (xb1r + Lr xb2r > > j j j j j i j b2i ) j j +j(xb1i + L r xb2i + L i xb2r) j > > j j (C.1) j > > > > : i·u ki»n º hai chám gièng l (xb1r + jLrj xb2r jLij xb2i) = (xa1r + Lrxa2r > > : < (x b1i +L x r b2i +L x i b2r j j ) = (x a1i +Lx r a2i +Lx j i a2r Lixa2i) (C.2) ) j Ró r ng thĐy rơng, xa1r; xa1i; xb1r; xb1i thuëc chám M-QAM n¶n c¡c gi¡ trà ph¦n thüc ho°c ph¦n £o cõa nâ èi xựng hằ trửc tồa Vẳ vêy, phữỡng trẳnh (C.2) luổn tỗn tÔi nghiằm Thêt vêy ta luổn tẳm ữủc cp (xa1r; xa1i); (xb1r; xb1i); (xa2r; xa2i); (xb2r; xb2i) thäa m¢n: 8x =x b1r > > L x j r b2r a1r =Lx r a2r j > > > > > > >j L x i > b2i =Lx i a2i j (C.3) > > > > x < > >j =x b1i L x r b2i j > a1i =Lx r a2i > > > > > >j > L x i b2r j =Lx i a2r > > > > i·u n y chùng tä b§t ký : (xa1 + (Lr + jLi)xa2) ta mët im trản chỏm luổn tẳm ữủc mởt im trản chỏm (xb1 + (jLrj+ j jLij)xb2) v ngữủc lÔi 119 Phö löc D Chùng minh M»nh · 3.4 Hai chám cõa t½n hi»u (xa1 + jLrj xa2) v (xb1 + j jLij xb2) tữỡng ữỡng vợi (D.1) (xa1 + j jLrj xa2) = (xb1 + jLij (jxb2)): T÷ìng tü nh÷ chùng minh M»nh · cõa Phư lưc D, n¸u jLrj = jLij ta luổn tẳm ữủc côp (xa2r; xb2i) v (xa2i; xb2r) thọa m¢n: jLrj xa2r = jLij xb2i L > >j j < r x a2i (D.2) =L x i b2r j j : Phư lưc E Bi¸n êi cỉng thùc (4.2) v· cæng thùc (4.10) (R) u; v; x(1); x(2) )M L = arg (^ ^ ^ ^ u;v) 1;::;N (x ;x ) ( (1)2f(2) g = y (R) arg ( H (u;v) y (1) huR x (2) (1) hvR x (2) x ) (u;v)2f1;:::;Ng x(1);x(2) = arg ( w (u;v) R x w (u;v) R x w (u;v) R x w (u;v) R (u;v) (y ) (R)H ) y (R) +w H w (u;v) (u;v) (u;v)2f1;:::;Ng x(1);x(2) = arg ( (u;v) (y (R)H (y (R)H ) ) y (R) + (Q H (R) HH y (R) + (y (R) H (u;v) y ) (Q (u;v) y (R) ) (u;v)2f1;:::;Ng x(1);x(2) = arg ( (u;v) ) ) ) y (R) (u;v)2f1;:::;Ng x(1);x(2) = arg ( 2 (u;v) x ) (u;v)2f1;:::;Ng x(1);x(2) (E.1) 120 Phö löc F Chùng minh M»nh 1;1 · 4.1 1;2 Do r l sè thüc, r l mët sè phùc nản tứ giÊ thiát mằnh 1;2 nhên ữủc (r =r1;1)2 +(r1;2 =r1;1)2 1, hay j r1;2 =r1;1 j v ri1;2=r1;1 r M°t kh¡c, L l i r sè nguy¶n phùc v L = Lr + jLi = round(r · ta (1;1) (1;2) =r )= round(rr(1;2)=r(1;1)) + jround(ri(1;2)=r(1;1)) Do â Lr; Li f0; 1g, hay L f0; 1; j; jg 121 DANH MƯC C•C CặNG TRNH A CĂc cổng trẳnh liản quan trỹc tiáp CặNG Bẩ án Luên Ăn N H Minh, P V Bin v T X Nam, NƠng cao phâm chĐt cho hằ thống chuyn tiáp hai chiãu sỷ dửng Ănh xÔ m hõa mÔng phi tuyán, TÔp chẵ Nghiản cùu KH & CN Qu¥n sü, sè 56, trang 76-85, th¡ng n«m 2018 H M Nguyen, X N Tran, V B Pham, and T N Tran, Channel quantization-based physical-layer network coding for two-way relay STBC system, Vietnam Journal of Computer Science, Springer, vol 5, Issue 1, pp 59-66, February 2018 H M Nguyen, X N Tran, V B Pham, and C D Nguyen, Linear Network Coding Using Channel Quantization Combining with SIC Based Estimation for Multiple Antenna Systems," AEU-International Journal of Electronics and Communications, Elsevier, vol.95, pp.107-117, October, 2018 H M Nguyen, X N Tran, V B Pham, and C D Nguyen, LowComplexity Estimation for Spatially Modulated Physical-Layer Network Coding Systems," Wireless Communications and Mobile Computing, vol 2018, Article ID 6310519, 13 pages, 2018 https://doi.org/10.1155/2018/6310519 B CĂc cổng trẳnh tham gia quĂ trẳnh nghiản cựu H M Nguyen, V B Pham, X N Tran, and T N Tran, Chan-nel Quantization Based Physical-Layer Network Coding for MIMO Two-Way Relay Networks, In Proc IEEE Int Advanced Technol Commun (ATC), 2016, pp 197-203 122 T T Nghi»p, P V Biºn, N H Minh v N T T Hơng, Kát hủp k thuêt lỹa chồn thu v lỹa chồn ông ten phĂt mÔng vổ tuyán chuyn tiáp hủp tĂc khổng ỗng bở, TÔp chẵ Khoa hồc v K thuêt, Hồc viằn K thuêt QuƠn sỹ, sè 182, trang 28-39, th¡ng n«m 2017 T T Nghi»p, P V Biºn v N H Minh, i·u chá khổng gian phƠn tĂn cho cĂc mÔng vổ tuyán hủp tĂc sỷ dửng cĂc nút chuyn tiáp a ông ten, TÔp chẵ Khoa hồc v K thuêt, Hồc viằn K thuêt QuƠn sỹ, số 185, trang 80-92, thĂng n«m 2017 T N Tran, V B Pham, and H M Nguyen, The asynchronous cooperative amplify-and-forward relay network with partial feedback to improve the system performance, In Proc Int Conf on Advances in Inform and Commun Technology, vol 538, pp 612-621, December 2016, Thai Nguyen, Viet Nam T N Tran, V B Pham, and H M Nguyen, Improving performance of the asynchronous cooperative relay networks with maximum ratio combining and transmit antenna selection technique, VNU Journal of Science: Computer Science and Communication Engineering, vol 33, no 1, pp 28-35, January 2017 T€I LI›U THAM KHƒO Ti¸ng Vi»t [1] TrƯn XuƠn Nam v Lả Minh TuĐn, Xỷ lỵ tẵn hiằu khổng gian thới gian-Lỵ thuyát v Mổ phọng, Nh XuĐt bÊn Khoa hồc v K thuêt, 2013 [2] Vụ ực Hiằp, "Truyãn dăn MIMO cĂc hằ thống vỉ tuy¸n hđp t¡c v chuyºn ti¸p hai chi·u sû dửng PNC", Luên Ăn tián sắ k thuêt, Hồc viằn K thuêt QuƠn sỹ, 2015 Tiáng Anh [3] S Alamouti, "A simple transmit diversity technique for wireless communi-cations," IEEE Journal on Selected Areas in Commun., vol 16, pp 1451-1458, 1998 [4] S Althunibat and R Mesleh, "Performance analysis of quadrature spatial modulation in two-way relaying cooperative networks," IET Commun., vol 12, pp 466-472, 2018 [5] R Cao, H Gao, T Lv, S Yang, and S Huang, "Phase Rotation Aided Relay Selection in Two-Way Decode-and-Forward Relay Networks," IEEE Trans Veh Technol., vol 65, no 5, pp 2922 - 2935, May 2016 [6] R Y Chang, S J Lin, and W H Chung, "On network coding and modulation mapping for three-phase bidirectional relaying," in Proc IEEE 123 124 Int Conf Personal, Indoor, and Mobile Radio Commun (PIMRC), Hong Kong, China, August 2015, pp 191-196 [7] C Chen, L Bai, Y Yang, Y Jin, and J Choi, "Near optimal power allocation in two-way relay systems with physical layer network coding," IET Communications, vol 9, pp 1885-1893, 2015 [8] E Chu, J S Yoo, and B C Jung, "Spatial-modulated physical-layer net-work coding in two-way relay networks with convolutional codes," in Proc IEEE Int Ubiquitous and Future Networks (ICUFN), Milan, Italy,July 2017, pp 811-813 [9] T Cover and A E Gamal, "Capacity theorems for the relay channel," IEEE Trans Inf Theory, vol 25, pp 572-584, Sep 1979 [10] M Eslamifar, W H Chin, C Yuen, and Y L Guan, "Performance analysis of two-step bi-directional relaying with multiple antennas," IEEE Trans Wireless Commun., vol 11, pp 4237-4242, 2012 [11] Z Fang and L Zhang, "Three-phase differential transmission for twoway relay networks with direct link," in Proc IEEE Int Conf Electron Inf Emergency Commun., Beijing, China, May 2015, pp 297-300 [12] Y Fang, L Wang, K K Wong, and K F Tong, "Performance of joint channel and physical network coding based on Alamouti STBC," in Proc IEEE Int Conf Ultra-Wideband (ICUWB), Sept 2013, pp 243 248 [13] G Feng-kui, Z Jian-Kang, and J.-h Ge, "Distributed Concatenated Alam-outi Codes for Two-Way Relaying Networks," IEEE Wireless Commun Letters, vol 1, pp 197-200, 2012 125 [14] H Gao, T Lv, S Zhang, C Yuen, and S Yang, "Zero-forcing based MIMO two-way relay with relay antenna selection: Transmission scheme and diversity analysis," IEEE Trans.Wireless Commun., vol 11, pp 4426-4437,2012 [15] H Gao, X Su, T Lv, and Z Zhang, "Joint Relay Antenna Selection and Zero-Forcing Spatial Multiplexing for MIMO Two-Way Relay with Physical-Layer Network Coding," in Proc IEEE Int Conf Global Telecom-mun (GLOBECOM), 2011, pp [16] J Guo, T Yang, J Yuan, and J A Zhang, "Design of linear physical- layer network coding for MIMO two-way relay channels without transmitter CSI," in Proc IEEE Int Conf Wireless Commun and Networking (WCNC), 2015, pp [17] M Higashinaka, K Motoyoshi, T Nagayasu, H Kubo, A Shibuya, and A Okazaki, "Likelihood Estimation for Reduced-Complexity ML Detectors in a MIMO System," in Proc IEEE Int Veh Technol (VTC), Dublin, Ireland, April 2007, pp 2104-2108 [18] D Hwang, S J Kim, and C S Park, "Channel Aligned Beamforming in Two-Way Multi-Pair Decode-and-Forward Relay Down-Link Channels," IEEE Wireless Commun Letters, vol 1, pp 464-467, 2012 [19] H Jafarkhani, "A quasi-orthogonal space-time block code," IEEE Trans Commun., vol 49, pp 1-4, Jan 2001 [20] C W Joon, C K Wui, and J M Cioffi, "Iterative soft interference cancel- lation for multiple antenna systems," in Proc IEEE Int Wireless Commun Network (WCNC), Chicago, USA , Sept 2000, pp 304-309 vol.1 126 [21] B C Jung, J Sook Yoo, and W Lee, "A Practical Physical-Layer Network Coding with Spatial Modulation in Two-Way Relay Networks," The Computer Journal, vol 61, no 2, pp 264 272, February 2018 [22] J Kim, J S No, and D J Shin, "Two-way relaying schemes with Alamouti code," in Proc Int Conf Inf Commun Technol Convergence (ICTC), Busan, Korea, Oct 2014, pp 638 639 [23] Y T Kim, K Lee, Y Jeon, and I Lee, "Limited feedback designs for twoway relaying systems with physical network coding," Journal of Communications and Networks, vol 17, pp 463-472, 2015 [24] T Koike-Akino, P Popovski, and V Tarokh, "Optimized constellations for two-way wireless relaying with physical network coding," IEEE J Sel Areas Commun., vol 27, no 5, pp 773 787, June 2009 [25] V Kumar, B Cardiff, and M F Flanagan, "Transmit Antenna Selection for Physical-Layer Network Coding Based on Euclidean Distance," in Proc IEEE Global Communications Conference (GLOBECOM), 2017, pp 1-7 [26] N Kumar, V Bhatia, and D Dixit, "Performance analysis of QAM in amplify-and-forward cooperative communication networks over Rayleigh fading channels," Int J Electron Commun.(AEU), vol 72, pp 86-94,2017 [27] J N Laneman, D N C Tse, and G W Wornell, "Cooperative diversity in wireless networks: Efficient protocols and outage behavior," IEEE Trans Inf Theory, vol 50, pp 3062-3080, Dec 2004 127 [28] H Li, M W Liu, S H Song, and K B Letaief, "Optimality of amplify-andforward based two-way relaying," in Proc IEEE Int Wireless Commun Network (WCNC), Shanghai, China, April 2013, pp 3715-3719 [29] Y Li, X Lei, Y Xiao, P Yang, C Zheng, and W Xiang, "Power Allocation for Pre-Coding-Aided Spatial Modulation," IEEE Commun Letters, vol 22, pp 1094-1097, 2018 [30] S C Liew, S Zhang, and L Lu, "Physical-layer network coding: Tutorial, survey, and beyond," Physical Commun., vol 6, pp 4-42, 2013 [31] C T Lin, W R Wu, and C Y Liu, "Low-complexity ML detectors for generalized spatial modulation systems," IEEE Trans Commun., vol 63, pp 4214-4230, 2015 [32] R Mesleh, H Haas, S Sinanovic, A Chang Wook, and Y Sangboh, "Spatial Modulation," IEEE Trans Veh Technol., vol 57, pp 2228-2241, 2008 [33] M D Moghadam, S M Mirrezaei, and M Yazdanpanahei, "New evolu- tion in two-way relay networks based on physical layer network coding," Telecommunication Systems, pp.1-10, July 2018 [34] A Mohammadi and F M Ghannouchi, "Single RF front-end MIMO transceivers," IEEE Commun Magazine, vol 49, pp 104-109, 2011 [35] V Muralidharan, V Namboodiri, and B Rajan, "Wireless network-coded bidirectional relaying using Latin squres for M-PSK modulation," IEEE Trans Inf Theory, vol 59, no 10, pp 6683 6711, Oct 2013 [36] V T Muralidharan, V Namboodiri, and B S Rajan, "Channel quanti- zation for physical layer network-coded two-way relaying," in Proc IEEE 128 Int Wireless Commun Network (WCNC), Shanghai, China, April 2012, pp 1654-1659 [37] R V Nee, A V Zelst and G Awater, "Maximum Likelihood Decoding in a Space Division Multiplexing System," in Proc IEEE Veh Technol (VTC), Tokyo, Japan, May 2000 [38] H M Nguyen, V B Pham, X N Tran and T N Tran, "Channel Quantization Based Physical-Layer Network Coding for MIMO Two-Way Relay Networks," In Proc IEEE Int Advanced Technol Commun (ATC), 2016, pp 197-203 [39] K Ntontin, M D Renzo, and C Verikoukis, "Analog-Network-Coded Two-Way Relaying Under the Impact of CSI Errors and Network Interference," IEEE Trans Veh Technol., vol 65, pp 9029-9040, 2016 [40] J Qin, Y Zhu, and P Zhe, "Broadband Analog Network Coding with Robust Processing for Two-Way Relay Networks," IEEE Commun Letters, vol 21, no 5, pp 1115 - 1118, 2017 [41] K Ravindran, A Thangaraj, and S Bhashyam, "High SNR Error Analysis for Bidirectional Relaying with Physical Layer Network Coding," IEEE Trans Commun., vol 65, no 4, pp 1536 1548, 2017 [42] M Di Renzo, H Haas, A Ghrayeb, S Sugiura, and L Hanzo, "Spatial modulation for generalized MIMO: challenges, opportunities, and implementation," in Proceedings of the IEEE, vol 102, no 1, pp 56-103, 2014 129 [43] M Di Renzo, H Haas, and P M Grant, "Spatial modulation for multipleantenna wireless systems: a survey," IEEE Commun Magazine, vol 49, pp 182-191, 2011 [44] L Shi and S C Liew, "Complex Linear Physical-Layer Network Coding," IEEE Trans Inf Theory, vol 63, no 8, pp 4949 4981, Apr 2017 [45] L Shi, S Liew, L Lu, "On the Subtleties of q-PAM Linear Physical-Layer Network Coding," IEEE Trans Inf Theory, vol 62, pp 2520-2544, 2016 [46] L Shi, T Yang, K Cai, P Chen, and T Guo, "On MIMO Linear PhysicalLayer Network Coding: Full-Rate Full-Diversity Design and Optimization," IEEE Trans Wireless Commun., vol 17, pp 3498-3511, 2018 [47] E Soujeri, G Kaddoum, "The impact of antenna switching time on spatial modulation," IEEE Wireless Commun Letters, vol 5, pp 256-259, 2016 [48] V Tarokh, N Seshadri, and A R Calderbank, "Space-time codes for high data rate wireless communication: performance criterion and code construc-tion," IEEE Trans Inf Theory, vol 44, pp 744-765, 1998 [49] E Telatar, "Capacity of Multi-antenna Gaussian Channels," European Trans Telecommun., vol 10, pp 585-595, 1999 [50] M Toka, and O Kucur, "Performance of antenna selection schemes in dual hop full-duplex decode-and-forward relaying over Nakagami-m fading channels," Int J Electron Commun (AEU), vol 86, pp 92-102, 2018 [51] X N Tran, H C Ho, T Fujino, and Y Karasawa, "Performance Compar-ison of Detection Methods for Combined STBC and SM Systems" IEICE Trans Commun., Vol E91-B, No.6, June 2008 130 [52] X N Tran, V B Pham, D H Vu, and Y Karasawa, "Design of Two-Way Relay Network Using Space-Time Block Coded Network Coding with Relay Selection," IEICE Trans Fundamentals, Vol E98-A, pp 1657 1666, Aug 2015 [53] X N Tran, V H Nguyen, T T Bui, T C Dinh, and Y Karasawa, "Distributed relay selection for MIMO-SDM cooperative networks." IEICE Trans Commun., vol E95.B, No.4, pp 1170 1179, 2012 [54] K G Unnikrishnan and B S Rajan, "Space-Time Coded Spatial Modulated Physical Layer Network Coding for Two-Way Relaying," IEEE Trans Wireless Commun., vol 14, pp 331-342, 2015 [55] D H Vu, and X N Tran, "Physical network coding for bidirectional relay MIMO-SDM system," in Proc IEEE Int Conf Adv Technol Commun (ATC2013), H C Minh, VietNam, Oct 2013, pp 141 146 [56] H M Wang, F Liu, and X G Xia, "Joint Source-Relay Precoding and Power Allocation for Secure Amplify-and-Forward MIMO Relay Networks," IEEE Trans Inf Forensics and Security, vol 9, pp 1240-1250, 2014 [57] P W Wolniansky, G J Foschini, G D Golden, and R A Valenzuela, "V-BLAST: an architecture for realizing very high data rates over the rich-scattering wireless channel," URSI International Symposium Signals, Sys-tems, and Electronics, 1998, pp 295 300 [58] N Xu and S Fu, "On the performance of two-way relay channels using space-time codes," Int J Commun Systems, vol 28, no 4, pp 1002 1014, 2011 131 [59] D Xu, Z Bai, A Waadt, G H Bruck, and P Jung, "Combining MIMO with network coding: a viable means to provide multiplexing and diversity in wireless relay networks," in Proc IEEE Int Conf Commun., South Africa, May 2010 [60] S Yadav and P K Upadhyay, "Performance of Three-Phase Analog Net-work Coding with Relay Selection in Nakagami-m Fading," IEEE Commun Letters, vol 17, pp 1620-1623, 2013 [61] T Yang and I B Collings, "On the Optimal Design and Performance of Linear Physical-Layer Network Coding for Fading Two-Way Relay Channels," IEEE Trans Wireless Commun., vol 13, pp 956-967, Feb 2014 [62] Y Yang, "Spatial modulation exploited in non-reciprocal two-way relay channels: Efficient protocols and capacity analysis," IEEE Trans Commun., vol 64, pp 2821-2834, 2016 [63] L Yang, T Yang, J Yuan, and J An, "Achieving the Near-Capacity of TwoWay Relay Channels With Modulation-Coded Physical-Layer Network Coding," IEEE Trans Wireless Commun., vol 14, pp 5225-5239, 2015 [64] Y Yang, W Chen, O Li, and L Hanzo, "Joint Rate and Power Adaptation for Amplify-and-Forward Two-Way Relaying Relying on Analog Network Coding," IEEE Access, vol 4, pp 2465-2478, 2016 [65] S Zhang, C Nie, L Lu, S Zhang, and G Qian, "MIMO physical layer net-work coding based on VBLAST detection," Wireless Commun and Signal Processing (WCSP), 2012, pp 1-5 132 [66] S Zhang, Q F Zhou, C Kai, and W Zhang, "Channel quantization based physical-layer network coding," in Proc IEEE Int Commun (ICC), 2013, pp 5137-5142, Budapest, Hungary, June [67] S Zhang, Q F Zhou, C Kai, and W Zhang, "Full Diversity Physical-Layer Network Coding in Two-Way Relay Channels With Multiple Antennas," IEEE Trans Wireless Commun., vol 13, no 8, pp 4273-4282, Aug 2014 [68] S Zhang, S C Liew, and P P Lam, "Hot topic: physical-layer network coding," in Proc ACM Annu Int Conf Mobile Comput Network., Los Angeles, CA, USA, Sept 2006, pp 358 365 [69] Z Zhao, M Peng, Z Ding, W Wang, and H H Chen, "Denoise-and- Forward Network Coding for Two-Way Relay MIMO Systems," IEEE Trans Veh Technol., vol 63, pp 775-788, 2014 [70] J Zheng, "Hybrid Spatial Modulation Aided Distributed Relays: Threshold Detection and Constellation Rotation," IEEE Access, vol 5, pp 21242-21249, 2017 [71] J Zhou, X Wang, and M Li, "Performance Analysis for Decode-andForward Two-Way Relay Networks with Limited Feedback Beamforming," in Proc IEEE Int Veh Technol (VTC Spring), Seoul, Korea, May 2014, pp 1-5 [72] Q F Zhou, Y Li, F C M Lau, and B Vucetic, "Decode-and-Forward Two-Way Relaying with Network Coding and Opportunistic Relay Selection," IEEE Trans Commun., vol 58, pp 3070-3076, Nov 2010 ... cĂc hằ thống truyãn dăn chuyn tiáp vổ tuyán hai chiãu; Nghiản cựu cĂc thuêt toĂn tĂch tẵn hiằu hằ thống MIMO nhữ: ZF, MMSE, VBLAST, QR, SIC, ML; Nghiản cựu cĂc k thuêt truyãn dăn chuyn tiáp hai. .. 12 cÊm bián khổng dƠy, cĂc hằ thống kát nối vÔn vêt IoT Trong õ, mởt số nút õng thảm cÊ vai trá chuyºn ti¸p º k¸t nèi giúa c¡c nót cÊm bián vợi nút mÔng trung tƠm Trong quƠn sỹ, hẳnh thực tĂc... 1.2 Mởt số k thuêt truyãn dăn cỡ bÊn mÔng chuyn tiáp vổ tuyán hai chiãu 1.2.1 Chuyn tiáp hai chiãu truyãn thống Mổ hẳnh chuyn tiáp hai chi·u truy·n thèng (TS: Traditional Scheme) ÷đc minh håa