Intermittent shutoff of RF circuitry in wireless communication terminals

摘要

A method for communication in a receiver (20) includes receiving over a wireless communication channel a signal that carries at least a control channel. A first estimate of a response of the wireless communication channel is computed using a first estimation process having a first latency, and the control channel is decoded based on the first estimate. Upon identifying, based on the decoded control channel, a time period during which no data channel is to be addressed to the receiver, circuitry (24) of the receiver is shut down for at least part of the identified time period. A second estimate of the response is computed using a second estimation process having a second latency, higher than the first latency, and a data channel that is addressed to the receiver is decoded based on the second estimate.

主权项

1. A method for communication, comprising:
in a receiver, receiving over a wireless communication channel a signal that carries at least a sequence of reference signals and a control channel; computing a first estimate of a response of the wireless communication channel using a first estimation process that estimates the response based on reference signals received over a first time interval of the sequence of the reference signals, and decoding the control channel based on the first estimate; upon identifying, based on the decoded control channel, a time period during which no data channel is to be addressed to the receiver, shutting down circuitry of the receiver for at least part of the identified time period; and computing a second estimate of the response using a second estimation process that estimates the response based on reference signals received over a second time interval of the same sequence of the reference signals, longer than the first time interval, and decoding a data channel that is addressed to the receiver based on the second estimate.