Patent ID: 6678523
Filing Date: 2004-01-13
Classification: H04L,H04W

Abstract:
A method of implementing soft handoff using hybrid ARQ comprising the steps of:a. providing a plurality of base stations in communication with at least one RNC and in communication with a mobile station; b. transmitting a frame Pn,m from the mobile station to a first of the plurality of base stations and to a second of the plurality of base stations; c. at the first and second of the plurality of base stations, processing the frame Pn,m; and d. at the mobile station, determining whether to retransmit the frame Pn,m or whether to transmit a next frame Pn+1,m to the first and second of the plurality of base stations, wherein if the decision is to retransmit frame Pn,m, transmitting frame Pn,m+1 and at the first and second of the plurality of base stations, combining frame Pn,m with frame Pn,m+1 using H-ARQ and if the decision is to transmit the next frame Pn+1,m, transmitting the next frame to the first and second of the plurality of base stations.