Giảm can nhiễu trong WDM PON bằng cách kết hợp nhiều mã đường truyền

I H C QU C GIA THÀNH PH H CHÍ MINH I H C BÁCH KHOA N B NT MÔN VI N THÔNG o0o SVTH: NG THANH TÙNG (12140057) GI M CAN NHI U TRONG WDM-PON B NG CÁCH K T H P NHI LU NG TRUY N CS TP HCM, THÁNG 07/2014 I H C QU C GIA THÀNH PH H CHÍ MINH I H C BÁCH KHOA N B NT MÔN VI N THÔNG o0o NG THANH TÙNG GI M CAN NHI U TRONG WDM-PON B NG CÁCH K T H P NHI CHUYÊN NGÀNH: K THU NG TRUY N NT MÃ S CHUYÊN NGÀNH: 60.52.70 LU GVHD: TS PH M QUANG THÁI TP HCM, THÁNG 07/2014 PGS TS ngày 15 tháng NAM - - THANH TÙNG MSHV: 12140057 Chuyên ngành: K I II N III NGÀY GIAO NHI : 605270 DUNG -PON : 10/02/2014 IV : 20/06/2014 V Tp HCM, ngày 20 tháng 06 TS A TS 14 Tôi xin chân thành bày t lòng bi tr c ti sâu s ng d n, t n tình ch b o t o m n th y TS Ph u ki n thu n l i nh tơi q trình th c hi n Lu Chân thành c y Cô chuyên ngành K Thu H c Bách Khoa Tp H t lòng gi ng d y, truy su t th i gian h c t p t i t ki n th ng iH Tp H nT - ng i H c Bách Khoa u ki n t t cho v trang thi t b tài li u h c t p su t khóa h c n h c viên cao h c K2012 ng h , giúp h c t p th c hi n Lu TP.HCM, ngày 20 tháng 06 KS ng Thanh Tùng ABSTRACT With increased demand for bandwidth-hungry applications such as video-on demand, wavelength-division-multiplexing passive optical network (WDM-PON) has become a strong contender in overcoming the last mile bottle neck WDM PON has long been considered as a new solution for the future optical access network capable of providing practically unlimited bandwidth to each subscriber However, the wide-scale deployment of WDM-PONs has been delayed mainly due to the high cost of wavelength specific optical components To realize cost-effective WDM-PONs, colorless architectures have been used and developed on single-fiber bidirectional WDM-PONs In such WDM-PONs, however, single-fiber bidirectional transmission results in degradation of system performance caused by interference between the signals, backreflections, and Rayleigh Backscattering (RB) This thesis investigates the impact of backreflections and Rayleigh Backscattering on single-fiber bidirectional WDMPONs The main purpose of this thesis to reduce the impact of backreflections and Rayleigh Backscattering by combining multiple line codes Downstream line codes include AMI, Manchester, CSRZ, DRZ, MDRZ, NRZ Upstream line codes include NRZ, RZ This thesis will use the factorial method to analyze the simulation results and optimize system V i nhu c a nh ng ng d y wavelength-division-multiplexing passive optical network (WDM-PON) tr thành m t i th m nh m t qua v th t c chai m ng last mile WDM- xem m t gi i pháp m i cho m ng truy c c c i kh i h n cho m i thuê bao Tuy nhiên, v tri n khai WDM- PON di n r ng b trì hỗn ch y u chi phí thi t b th c hi n h th ng WDM-PON hi u qu chi phí, ki c s d ng phát tri n nh ng h th ng WDM-PON truy n d n hai chi u m t s i quang Tuy nhiên, WDM-PON k t qu c a truy n d n hai chi u m t s i quang làm cho hi a h th ng b suy thoái giao thoa c a nh ng tín hi u, hi hi ng Rayleigh Backscattering (RB) Lu s nghiên c ng tán x ng c a hi n ng tán x RB h th ng WDM-PON hai chi u m t s i quang M c a lu ng c a hi ng truy n V ng tán x RB b ng cách k t h p nhi u ng truy n Downstream bao g m AMI, Manchester, CSRZ, ng truy n Upstream bao g m NRZ, RZ Lu phân tích k t qu mô ph ng t th ng d ng Lu Gi i thi u t ng quan v WDM-PON, nh ng công ngh ng d ng c a WDM-PON, nh mm tài, ph m vi m y u c a WDM-PON, lý m n c nghiên c u Phân tích chi ti t v WDM-PON m t s ki n trúc WDM-PON, kh i t o thành WDM-PON, nh ng quang s d ng m ng c a truy n d n hai chi u m t s i c sóng, ngu n sáng cung c p cho h th ng WDM- i thi u m t s cơng trình tình hình nghiên c u WDM-PON kh i c a mã Manchester d li ng truy ng cho m ng truy n, m ng truy n Mô ph ng thu th p ng h p, mã có t ng c ng 1152 ng h p Phân tích d li u Factorial t d li u thu th p phân tích cho mã khác M u có nh ng ng h p m phân tích chung ng c a t ng y u t lên Ber US, phân tích s ng qua l i l n c a y u t lên Ber US, mơ hình tốn cho h th ng cu i t : K t lu n, nêu lên m h n ch c a lu th ng ng phát tri tài oan: Lu n V cơng trình nghiên c u c a riêng tơi, khơng có s chép k t qu b t c tài li th c hi is , Lu n V ng d n khoa h c c a th y TS Ph m Quang Thái Các s li u, k t lu n nghiên c th c, Lu n V c c trình bày Lu n V o s d ng tài li i h i ngh , t p c p ph n tài li u tham kh o Tôi xin hoàn toàn ch u trách nhi m v i nh ng l H c viên th c hi n Ký tên ng Thanh Tùng Gi m can nhi u WDM-PON b ng cách k t h p nhi ng truy n NHI M V LU L IC GVHD: TS Ph m Quang Thái ii iii ABSTRACT iv TÓM T T v TÓM T vi L vii M C L C DANH M C HÌNH V 12 DANH M C B NG BI U 16 DANH M C CÁC T VI T T T 17 i thi u 20 1.1 tv 20 1.2 Gi i thi u v WDM-PON 20 1.3 M t s công ngh ng d ng c a WDM-PON 24 1.4 Nh m m nh c a WDM-PON 27 1.5 Nh m y u c a WDM-PON 29 1.6 Lý m 1.7 Ph 1.8 Nh 1.9 K t lu tài 30 c nghiên c a lu tài 32 36 37 t t ng quan tình hình nghiên c u 38 2.1 Gi i thi u n n t ng t ng quan 38 2.2 Gi i thi u t ng quan v WDM-PON 41 2.3 M t s ki n trúc WDM- 2.3.1 HVTH: n 46 Ki n trúc WDM-PON 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Th nh n tho i Long An Th Th a Long An 0983800016 a ch mail Th Th a tung.dang@eiu.edu.vn | unix.simon@gmail.com o: i h c: - H - Th o: Chính qui o: t 09/2003 - n 09/2008 i h c Bách Khoa TP.HCM Ngành h n t - Vi n thông o th - Th - o: t 12/2012 n 07/2014 i h c Bách Khoa TP.HCM Ngành h c: K thu nt Q trình cơng tác chun môn k t t t nghi Th i gian 01/2009 i h c: Ch c v Metfone Chuyên viên NOC 9/2010 10/2010 HVTH: ng Thanh Tùng i h c Qu c t Mi 185 Chuyên viên CNTT MSHV: 12140057 ... 18 MSHV: 12140057 Gi m can nhi u WDM- PON b ng cách k t h p nhi ng truy n TWDM -PON UDWDM -PON US USLS WDM WDM -PON HVTH: GVHD: TS Ph m Quang Thái Tdm /Wdm- Pon Ultra-Dense Wdm- Pon Upstream Upstream... 12140057 Gi m can nhi u WDM- PON b ng cách k t h p nhi ng truy n GVHD: TS Ph m Quang Thái PON (UDWDM -PON) , orthogonal frequency division multiplexing PON (OFDM -PON) TWDM -PON (TDM /WDM- PON) Hình Quá... can nhi u WDM- PON b ng cách k t h p nhi ng truy n Hình M t s GVHD: TS Ph m Quang Thái ng d ng c a WDM- PON vi n thơng Hình Công ngh WDM1 .4 Nh nghi m gi i m m nh c a WDM- PON ng cao: Trong WDM- PON,