Patent ID: 8027301

Claim:
A method for wireless data communication comprising: a) providing a wireless network of wireless communication devices comprising a source device, a destination device, and multiple cooperative relay devices; wherein the source device is a mobile device powered by an internal battery, the cooperative relay devices are mobile devices, and the destination device is a stationary device; b) allocating to the source device wireless resources comprising OFDMA time-frequency subchannels; c) adjusting transmit power level at the source device based on channel state information of channels between the source device and the cooperative relay devices; d) communicating a signal using cooperative relaying from the source device to the destination device via the multiple cooperative relay devices; and e) transmitting quantized channel state information over a feedback channel from the cooperative relay devices to the source device; wherein the cooperative relay devices receive the signal from the source device and transmit the signal using the wireless resources allocated to the source device.