Patent ID: 9210643
Filing Date: 2015-12-08
Classification: H04W

Abstract:
1. A method for enabling a forwarding to network operation in a cellular mobile communication system, the cellular mobile communication system comprising a plurality of mobile stations and at least one base station, the method comprising: reporting forwarding capability of a first mobile station of the plurality of mobile stations with the at least one base station; discovering neighboring mobile stations to the first mobile station; selecting a second mobile station from the neighboring mobile stations and establishing a forwarding link between the first mobile station and the second mobile station; allocating radio resources for the forwarding link between the first mobile station and the second mobile station; and synchronizing the forwarding link between the first mobile station and the second mobile station wherein synchronizing the forwarding link between the first mobile station and the second mobile station comprises: transmitting, from the first mobile station to the second mobile station, a first ranging code; estimating, by the second mobile station, a time offset from the first ranging code; and adjusting, by the second mobile station, a receiving time of the second mobile station based on the time offset.