part_7a_HPAV_PHY - HomePlug AV PHY R. Newman University of...

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Unformatted text preview: HomePlug AV PHY R. Newman University of Florida What is HomePlug AV? Broadband PLC for home networking Open industry standard 6+ manufacturers (including Intellon) Developed 2003-2007 by Homeplug Powerline Alliance (HPA) Consortium of chip designers, OEMs, PLC users Products shipped in 2006 Second ethernet class PLC, most widely available 150 Mbps coded PHY data rate 0ver 40 million units shipped Comprises PHY modulation, coupling, FEC, etc. MAC medium access, ARQ, etc. Reference Model Protocol Layer Architecture HPAV Networks Physical Network (PhyNet) Relative to a station (STA) All other STAs able to communicate with the reference STA Logical Network (AVLN) Has a Central Coordinator (CCo) STA Set of STAs with same Network ID (NID) and Network Membership Key (NMK) (usually) AV Logical Networks Neighbor networks Hidden nodes A CCo1 B C D CCo2 AVLN_2 AVLN_1 E F HPAV STA Roles STA = Level-0 CCo (no QoS support) Assoc/Authenticate new STA TEI provisioning CSMA operation Neighbor Network (NNW) passive coordination Level-1 CCo = Level-0 plus: TDMA operation/scheduling/admission control GLID provisioning Uncoordinated mode with NNWs Level-2 CCo = Level-1 plus: Coordinated mode with NNWs HPAV PHY Windowed OFDM 917 carriers 1.8 30 MHz 40.96us symbol time, 4.96us rolloff Variable Cyclic Prefix Turbo Convolution Codes, copy codes Robust Frame Control (-5 dB) Robo Modes (5 & 10 Mbps) Bit Loaded Payload Tone Maps synchronized with AC line cycle coherent modulation up to 1024-QAM 200 Mbps channel rate/150 Mbps information rate HPAV Transceiver 1.0.1 Frame Control Encoder AV Payload Data Encoder AV Frame Control Encoder Scrambler Mapper IFFT (384,...
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part_7a_HPAV_PHY - HomePlug AV PHY R. Newman University of...

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