[quote=aobaob24]Power Line Communications (PLC) (͹ 2)
Posted July 4th, 2007 by admin

4 ෤ҵðҹͧ PLC ෤ PLC ҹ㹻Ѩغѹ Ѻ͡ẺͧԵ chipset  INT6000 ͧ Intellon 繼Եѳ adapter Ѻç¤٧ͤѹԧ㹺ҹ ֧ѭҳҾẺ High Definition (HD)  Standard Definition (SD) 觵çسѵ੾Тͧ HomePlug AV (öѺ HomePlug 1.0  Intellons proprietary 85 Mbps Turbo mode)  DS2 DSS9  chipset ͧ Design of Systems on Silicon դسѵʹͧѺҵðҹͧ Universal Powerline Association öͧѺԡ triple play  ͡ҡѧռԵҺա  Panasonic  SiConnect 繵 ෤ PLC  modulation Ẻ OFDM  Orthogonal Frequency Division Multiplexing ͧѭҳẺ TDD  FDD ö觢٧ش֧ 200 Mbps дѺ Physical layer  130 Mbps дѺ Application layer  throughput еҡ ֧ͧ˹ҵðҹͧ QoS  Quality of Service  CoS  Class of Service ǹҵðҹҹա觢ѹѹ㹻Ѩغѹ աþѲҵʹ 繷Ѻ㹢й  HomePlug Powerline Alliance, Universal Powerline Association, ETSI  European Telecommunications Standards Institue  IEEE 繵 ѧդѴਹҵðҹ㴨ش ѧʴ´ѧ仹

4.1 ETSI Project PLT (PLT  Power-Line Telecommunication)
ӡ֡͡˹ҵðҹФسѵ੾ ͺͧԡ§Тżҹ俿 к MV  LV 俿㹺ҹ ҵðҹ˹ػóͧԵöҹѹ (interoperability) Ѻк俿ҷ ҵðҹеͧѲʹͧѺ͡˹ͧ EU/EC

4.2 HomePlug Powerline Alliance
HomePlug Powerline Alliance 繡ѹԵ÷ҧäһСͺҪԡ 65  ͵ ͹չҤ  2000 ºѷ繷ҧ෤ ǡѹ˹ҵðҹͧԵѳ кԡѺç㹺ҹ俿 ѹԵùռʹѺʹع Фм Сͺ GE, Earthlink, Intel, Lynksys, Motorola, Samsung, Sharp  Sony 繵 ˹ҷдԹͧҵðҹٻ ͧҡҵðҹ HomePlug Դҡͧ͢ҡºѷҡš ҵðҹդسҾ٧ 
 HomePlug 1.0  ҵðҹѺػó;ǧҹ俿㹺ҹö觢 8.2 Mbps
 HomePlug AV  Ѻ HDTV  VoIP 㹺ҹö觢ҳ 150 Mbps
 HomePlug BPL   broadband access ҹ㹺ҹ
 HomePlug CC(Command and Control)  ෤շ㹡觢ŵ ŧع Ѻ觡 ФǺػó俿㹺ҹ ʹѧʹ㹺ҹ

4.3 IEEE
 IEEE P1675  Standard for Broadband over Powerline Hardware ҵðҹѺػó broadband ҹҹ俿 Фʹ㹡õԴ
 IEEE P1775  Powerline Communication Equipment  Electromagnetic Compatibility (EMC) Requirements Testing and Measurement Methods 繤зӧҹͧͧػó PLC ǢͧѺ EMC ֧ԸշͺСѴҵҧ
 IEEE BPL Study Group   Standardization of Broadband Over Power line Technology ҧá˹зӧҹǢͷʹ
 IEEE P1901  Draft Standard for Broadband over Power Line Network : Medium Access Control and Physical Layer Specifications 繤зӧҹ˹ҵðҹԡ broadband ҹ俿 㹡á˹سѵ੾Тͧ Medium Access Control  Physical Layer Ѻػó BPL 駷 㹺ҹ

4.4 OPERA
Open PLC European Research Alliance çԨоѲҫѺش˹عҡ European Commission ѵػʧлѺاк ѲҺԡ PLC С˹ҵðҹͧ PLC

4.5 Universal Powerline Association (UPA)
UPA 繼ҧͺӷҧõҴҹصˡ PLC 㹵Ҵš 觤ͺ֧Եػóҹ access ػó㹺ҹ ԹԴ觢ѹ 繸 㹡ùػóѧҵԴҹ öӧҹѹ ԴªҧǶ֧ UPA աԵѳ UPA Digital Home Standard Ѻҹç㹺ҹ ҵðҹ OPERA Ѻ BPL Power line access

 : http://www.networksystemdesignline.com/

˵ á෤շ俿 (Ethernet over Powerline)
 HD-PLC  High Definition Powerline Communication
 MoCA  Multimedia over Coax Alliance
 HomePNA  Home Phoneline Network Alliance

5. úǹҧԷ

ռСͺúҧ͵ҹ¢ͧ෤ PLC ҨԴúǹѺԷءШ§ ͡ԨԷѤ ͧҡ俿աûͧѹШ¢ͧ俿 (unshielded) ֧º͹ҡȢҴ˭ ѭҳԷءѧ٧ 㹷ҧѺѹк PLC §Ѻö١úǹҡѭҳԷ¹͡蹡ѹ

 ѷ ԡҸóٻҹ俿 äҤͧԡ ӡ÷ͺ ÷ӧҹͧ෤ BPL¤ Ѻ ѡԷѤ (ARRL) ͵ҹͧ¹ͧѧ FCC - Federal Communications Commission ҡѧҡ÷ͺ ҧ俿кѷԡäҤһʺ  ARRL СѴҹ ѧѺ ҡ繴ѧ ԡ BPL ҧҧŨҡ÷ͺ駹 ͷйԡ㹾鹷ӡѴ੾ 㹺ҧͧաúǹѺԷشѧդسҾվͷѺ ͹ Ҿѹ 2005  ARRL §ҹǡѺúǹҧԷع FCC ͷǹԡ ͧҡѭҴѧѧբص ǹ  ǫŹ о鹷 ջѭǡѺúǹͧ BPL ͧ¹ͼӡѺŢͧȹ ѧ ӹѡ BBC վš÷ͺǨúǹͧ BPL 蹡ѹ ҡ§ҹػҡͧ俿ҷӡ 30 MHz еͧաûͧѹúǹҧԷ

 FCC ͡º ¡˹к BPL öФǺ 㹡÷ͧӨѴԴúǹ еͧش÷ӧҹѹҡդ ѭҡúǹ (BPL ԡ顮ºͧ FCC Part 15) ͹ԧҤ 2006 ˹§ҹ FCC Ӣʹա觢ѹ ǡѺù෤ BPL ԡ  Motorola СöԵػóѺк LV access BPL ŴúǹҧԷͺѺ ARRL Ŵ

6. ٻẺҧ㹡ԡç BPL

ҷҺ ҵðҹԡ broadband ҹ俿 Ẻ ҵðҹ͹ҧó йҨйҾԨóǷҧ㹡ԡá IEEE P1901 ҧҵðҹǶ֧ç BPL дѺͧ Medium Access Control (MAC)  Physical (PHY) Layer öͧѺԡҧ СͺѺҵðҹѧ 繡֡ зӧҹѹ ҧ PUA  Public Utility Authority 㹵Ҵû UPA  Universal Powerline Alliance 㹵Ҵš ͧͧçҸó ͧѺҹ broadband ·令ͧ BPL ҧ 1.7  80 MHz öԡ 3 ٻẺ ѧ

 㹾鹷ռѹ˹ (Multi-Dwelling Unit : MDUs) 蹡Ҥêش ; 繵 ö俿кç LV ѹҧ MV  LV Ҥç BPL ԡôҹäҤ Сâ 觨繷ҧ͡㹡ԡ᷹ xDSL 㹡Ҥêش
 㹾鹷ռ¡ШѴШ ˹ ç broadband ԡͧҡͨӡѴҧ෤Ԥͧ xDSL ෤ҧ ö俿к LV ѹҧ LV  MV ç BPL ԡäҤ СâŤ٧ ¼ҹػó·ҧͧ١
 ҤêشẺ (Single Multi-Dwelling Units) ֧ ; ö BPL ԡâŤ٧١Ҥêش 繡ûѴŧعͧԹ աѧջԷҾººѺк wireless ç BPL Ẻ俿к LV ҧ

· ԡ÷ػó BPL ҵԴԡ к俿 LV  ǡѹҹ ҧáç BPL еͧӧҹѺçäҤ

  ѡáԵ (زǡ俿ҡѧ)[/quote]