Packet sending apparatus and packet transmission system

Details Packet sending apparatus and packet transmission system Packet sending apparatus and packet transmission system

2011-03-29

2011-03-29

Mattis, Jason E (Department: 2461)

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

C370S395210, C370S395400, C370S506000, C375S372000

Reexamination Certificate

active

07916760

ABSTRACT:
A packet sending apparatus that improves packet transmission quality by preventing loss of packet information, while minimizing a reduction in transmission rate. A clock frequency deviation correction calculation section calculates a valid packet sending period in which valid packets packet information of which is not lost due to clock frequency deviation between the packet sending apparatus and a packet receiving apparatus are included and the number of valid packets included in the valid packet sending period. A packet sending section exercises priority control by determining whether a packet to be sent is a priority packet or a non-priority packet and by sending a priority packet in preference to a non-priority packet, and performs a packet sending process on a packet to be corrected other than the valid packets completely included in the valid packet sending period at the time of correcting the clock frequency deviation by inserting a packet gap corresponding to a sending stop period for which packet sending is stopped to prevent loss of packet information.

REFERENCES:
patent: 4575860 (1986-03-01), Scordo
patent: 6377645 (2002-04-01), Chen et al.
patent: 2003/0161321 (2003-08-01), Karam et al.
patent: 2004/0156367 (2004-08-01), Albuquerque et al.
patent: 2004/0170182 (2004-09-01), Higashida et al.

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