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Energy saving protocol for a TDM radio

  • US 5,150,361 A
  • Filed: 01/18/1991
  • Issued: 09/22/1992
  • Est. Priority Date: 01/23/1989
  • Status: Expired due to Term
First Claim
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1. In a battery powered device operating within a time division multiplexed communication system having a communication channel arranged into repetitive time frames which include a plurality of slots, wherein each frame include at least two control slots allocated for the communication of signalling and control information, wherein said signalling and control information include a slot identification code for identifying location of each control slot within the frame, a method for operating said battery powered device comprising the steps of:

  • (a) monitoring a portion of only one of said at least two control slots and detecting the slot identification code of said control slot when operating in a first mode; and

    (b) monitoring a portion of each of said at least two control slots and detecting the slot identification codes of the at least two control slots when operating in a second mode.

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