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Automatic retransmission request

  • US 5,577,046 A
  • Filed: 06/07/1995
  • Issued: 11/19/1996
  • Est. Priority Date: 11/01/1993
  • Status: Expired due to Term
First Claim
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1. A base station for use in a cellular communication system, comprising:

  • means for transmitting a polling request to a mobile station, wherein said polling request uses a partial echo portion of shared channel feedback to indicate which mobile station is being sent said polling request;

    means for receiving a bit map from said mobile station in a response to said polling request;

    means for interpreting said bit map to determine which of a plurality of frames have been correctly received by said mobile station when the polling request was received.

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