Patent ID: 9379871
Filing Date: 2016-06-28
CPC Classification: H04L,H04W

Claim Text:
1. A wireless transmit receive unit (WTRU) comprising circuitry configured to: receive a configuration for persistent resource scheduling in a radio resource control (RRC) message sent from an evolved Node B (eNB), the configuration for persistent resource scheduling comprising an indication of a periodicity of a persistent resource allocation and an indication of one or more hybrid automatic repeat request (HARQ) processes to be used for the persistent resource allocation; receive a first physical downlink control channel (PDCCH) transmission applicable to the persistent resource allocation from the eNB, wherein the WTRU is configured to activate persistent resource allocation based on receiving the first PDCCH transmission; receive a reconfiguration of the persistent resource allocation via a second PDCCH transmission from the eNB, wherein the reconfiguration of the persistent resource allocation changes resources and transport format used for the persistent resource allocation without affecting the periodicity of the persistent resource allocation; receive a third PDCCH transmission from the eNB, the third PDCCH transmission comprising a release of the persistent resource allocation; and determine whether or not to transmit an explicit acknowledgement that indicates that the WTRU received the release of the persistent resource allocation in the third PDCCH transmission based on whether the release of the persistent resource allocation is applicable to a downlink persistent resource, wherein the WTRU is configured to transmit the explicit acknowledgement on condition that the release of the persistent resource allocation in the third PDCCH transmission is applicable to a downlink persistent resource.