Abstract
A method and apparatus for establishing peer-to-peer communication in a wireless network is described. A wireless transmit/receive unit (WTRU) may receive configuration information comprising periodic resources comprising time and subcarrier resources from a base station of a wireless network. The time and subcarrier resources may be used in discovery of other WTRUs. The WTRU is further configured to transmit an identification in the allocated resources and to transmit a synchronization signal to a peer WTRU for timing synchronization of the peer WTRU.
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Specification Information
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Product
Use Cases
Services
Claim
1. A wireless transmit/receive unit (WTRU) comprising:
a receiver configured to receive configuration information from a base station of a wireless network, the configuration information indicating a pattern of time resources for use in peer-to-peer communications; and
a transmitter configured to:
transmit, to at least one peer WTRU, control information in one of the time resources in the pattern for use in peer-to-peer communications, wherein the control information includes a group identifier (ID) indicating a peer group comprising the at least one peer WTRU intended for receiving the control information and an indication of resources used for transmission of peer data; and
transmit, to the at least one peer WTRU, peer data in the indicated resources for use in peer-to-peer communications.
2. The WTRU of claim 1 wherein the receiver is further configured to receive, from the base station, power control information and an assignment of subcarriers to transmit the peer data.
3. The WTRU of claim 1 wherein the peer-to-peer communications is event triggered.
4. The WTRU of claim 1 further comprising a processor, wherein the processor is configured to determine a path loss to the one or more peer WTRUs in the peer group that are time synchronized.
5. The WTRU of claim 1 wherein the wireless network is a long term evolution (LTE) network.
6. A method comprising:
receiving, by a wireless transmit/receive unit (WTRU), configuration information from a base station of a wireless network, the configuration information indicating a pattern of time resources for use in peer-to-peer communications;
transmitting, by the WTRU to at least one peer WTRU, control information in one of the time resources in the pattern for use in peer-to-peer communications, wherein the control information includes a group identifier (ID) indicating a peer group comprising the at least one peer WTRU intended for receiving the control information and an indication of resources used for transmission of peer data; and
transmitting, by the WTRU, to the at least one peer WTRU, peer data in the indicated resources for use in peer-to-peer communications.
7. The method of claim 6 further comprising receiving by the WTRU, from the base station, power control information and an assignment of subcarriers to transmit the peer data.
8. The method of claim 6 wherein the peer-to-peer communications is event triggered.
9. The method of claim 6 further comprising determining a path loss to the one or more peer WTRUs in the peer group that are time synchronized.
10. The method of claim 6 wherein the wireless network is a long term evolution (LTE) network.
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
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