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Frame mapping for GERAN voice capacity enhancements

  • US 8,687,559 B2
  • Filed: 08/04/2009
  • Issued: 04/01/2014
  • Est. Priority Date: 08/04/2009
  • Status: Expired due to Fees
First Claim
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1. A GERAN base station, comprising a transceiver which is operable tocommunicate with a first mobile station via a first VAMOS channel;

  • communicate with a second mobile station via a first subchannel of a second corresponding VAMOS channel; and

    use a control channel of the second VAMOS channel which is offset by 4 or 8 TDMA frames with respect to a control channel of the first VAMOS channel, wherein the second VAMOS channel is operated at half rate and wherein the transceiver is operable to;

    communicate with a third mobile station via a second subchannel of the second VAMOS channel, andselect the first, second and third mobile station by evaluating interference between (a) the first VAMOS channel and the first subchannel of the second VAMOS channel and (b) the first VAMOS channel and the second subchannel of the second VAMOS channel.

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