Method and apparatus for transparent implementation of...

Details Method and apparatus for transparent implementation of... Method and apparatus for transparent implementation of...

2007-11-06

2007-11-06

Marcelo, Melvin (Department: 2616)

Multiplex communications

Channel assignment techniques

Only active channels transmitted

C370S459000

Reexamination Certificate

active

10263365

ABSTRACT:
A method and apparatus for transparent implementation of link-suspend capabilities in network devices is presented, which is capable of operating in full or substantially full power operational mode, as well as in a low power “link-suspend” operational mode. The low power “link-suspend” (LS) mode reduces the power consumption of a LAN communications link at the physical layer by eliminating the need to transmit continuous standard idles to maintain link between two linked partners. In the LS mode, a low duty cycle “link-suspend-packet” (LSP) is transmitted between periods of silent line state (SLS). During the SLS, which is a non-data transmission period, the transmitter may be turned off to conserve power. The transmitter power is turned back on when it is time to transmit LSPs or data.

REFERENCES:
patent: 6993667 (2006-01-01), Lo
patent: 2003/0161348 (2003-08-01), Mills et al.
patent: 2003/0165142 (2003-09-01), Mills et al.
patent: 2003/0206564 (2003-11-01), Mills et al.
patent: 2005/0105545 (2005-05-01), Thousand et al.

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