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Retransmission method with soft combining in a telecommunications system

  • US 6,842,445 B2
  • Filed: 12/13/2000
  • Issued: 01/11/2005
  • Est. Priority Date: 04/13/1999
  • Status: Active Grant
First Claim
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1. A data transmission method in a communications system, comprising the steps oftransmitting data packets from a transmitter to a receiver, using an automatic repeat request mechanism for retransmissions, said mechanism including combining initially transmitted and retransmitted versions of the data packet, sending, in association with each packet retransmission, outband signaling information which unambiguously indicates when the initial version of the data packet was transmitted, combining the retransmitted version of the data packet with at least the initial version of the data packet indicated by said outband signaling information at the receiver.

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