Patent ID: 8665800
Filing Date: 2014-03-04
Classification: H04L,H04W

Abstract:
1. A method, comprising: receiving, by at least one user equipment from a network element, a downlink sub-frame comprising a user downlink resource allocation of a set of users, an uplink resource allocation of another set of users, wherein said user downlink resource allocation comprises at least a downlink resource allocation for said at least one user equipment; transmitting an uplink sub-frame comprising data-non-associated control signalling acknowledging receipt of data by the at least one user equipment using an allocated resource in case said allocated resource is explicitly listed in said uplink resource allocation of said other set of users for the at least one user equipment; assigning by the at least one user equipment, in case there is no allocated resource explicitly listed in said uplink resource allocation for the at least one user equipment, a control signaling resource on an uplink sub-frame by using said user downlink resource allocation in said downlink sub-frame as implicit signalling of said control signalling resource on the uplink sub-frame, said uplink sub-frame being transmitted after a predetermined number of sub-frames following said downlink sub-frame; and transmitting said uplink sub-frame comprising an acknowledgement signal acknowledging receiving said data by said at least one user equipment using said control signaling resource.