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

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

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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 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