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Method and apparatus for discarding packets in a data network having automatic repeat request
Ericsson Research, Isafjordsgatan 14E, 164 93 Kista, Sweden.
1998 (English)Patent (Other (popular science, discussion, etc.))
Abstract [en]

NOVELTY - A receiver in the data network is commanded to receive data packet having sequence number by inputting ARQ scheme in data network. The erroneous or unreceived data packets are then discarded. Then, sequence numbers are assigned to the non-discarded packets, that are yet to be received, so that transmitted stream of data packets will have consecutive sequence numbers. USE - For discarding data packet in wireless data network. Also used for telephony, video conferencing system. ADVANTAGE - Ensures reliable data transfer to protect data sequence integrity, as ARQ technique is used. Since the delayed or outdated data packets are transmitted correctly, bandwidth minimization is achieved and hence data packet life time is prolonged. DESCRIPTION OF DRAWING(S) - The figure shows receiver packet enforcement bit in data packet discharging method.

Place, publisher, year, edition, pages
Keyword [en]
automatic repeat request, arq
National Category
Communication Systems Telecommunications
URN: urn:nbn:se:kth:diva-74314ISI: 2000376021OAI: diva2:489365
US 6424625-B1 (2002-07-23)

CN 1135774-C (2004-01-21); AU 769881-B2 (2004-02-05); JP 3817426-B2 (2006-09-06); EP 1125389-B1 (2009-03-25); CA2346244-C (2009-12-22)

Available from: 2012-02-02 Created: 2012-02-02 Last updated: 2013-08-09Bibliographically approved

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Larsson, Peter
Communication SystemsTelecommunications

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