Patent ID: 9007939
Filing Date: 2015-04-14
Classification: H04W

Abstract:
1. A method for obtaining use of secondary cellular spectrum by a secondary wireless transmit receive unit (WTRU), the method comprising: receiving information from a base station regarding a set of primary WTRUs needing assistance; determining whether to provide assistance to a primary WTRU from the set of primary WTRUs; in response to a determination to provide assistance, performing cooperative communications with a selected primary WTRU from the set of primary WTRUs to assist the selected primary WTRU with first data transmitted from the selected primary WTRU to the base station; and on a condition that the assistance results in the first data being transmitted from the selected primary WTRU to the base station at a higher data rate than the first data would have been transmitted without the assistance, the secondary WTRU utilizing uplink resources originally intended for the selected primary WTRU for transmitting second data transmitted from the secondary WTRU to the base station.