US 8,553,709 B2 · Method and system for an asymmetric PHY operation for ethernet A/V bridging and ethernet A/V bridging extensions

Abstract

Signals may be communicated with A/V Bridging services between an upstream link partner and a down stream link partner, each comprising an asymmetric multi-rate Ethernet physical layer (PHY). High bandwidth A/V signals may be transmitted from the upstream link partner and low bandwidth signals may be transmitted from the downstream link partner. One or more of a time stamp, a traffic class and/or a destination address may be utilized in generating PDUs as well as data rate request and a resource reservation messages via the asymmetric Ethernet PHY. The receiving link partner may register for deliver of the PDUs. An aggregate communication rate may be distributed evenly or unevenly among one or more links for transmission and aggregated upon reception via asymmetric multi-rate Ethernet PHY operations. Compressed, uncompressed, encrypted and/or unencrypted signals may be handled. Signal processing may comprise echo cancellation, cross talk cancellation, forward error checking and equalization.

Claims14

Dependent claims

A system for communicating data, the system comprising:

a first network device communicatively coupled to one or more other network devices via one or more Ethernet links, said first network device comprising:
an Ethernet medium access controller (MAC) layer configured to enable transmitting of signals that comprise Audio Video Bridging (AVB) streams at a first data rate to said one or more other network devices and receiving signals that comprise AVB streams at a second data rate from said one or more other network devices, utilizing AVB services with quality of service descriptors;
and
an asymmetric multi-rate Ethernet physical layer (PHY) transceiver configured to perform said transmitting of said signals and said receiving of said signals;
wherein:
said first data rate is distributed unevenly over each of four twisted-pair wires of a corresponding one of said one or more Ethernet links;
and
said second data rate is distributed unevenly over each of four twisted-pair wires of a corresponding one of said one or more Ethernet links.

5 more elements

Dependencies are inferred from the claim text.

Method and system for an asymmetric PHY operation for ethernet A/V bridging and ethernet A/V bridging extensions

Life of this patent

Method and system for an asymmetric PHY operation for ethernet A/V bridging and ethernet A/V bridging extensions

Life of this patent

Abstract

Claims14