Time and frequency acquisition and tracking for OFDMA wireless systems
US-9401784-B2 · Jul 26, 2016 · US
US11985694B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11985694-B2 |
| Application number | US-202318199610-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 19, 2023 |
| Priority date | Nov 12, 2010 |
| Publication date | May 14, 2024 |
| Grant date | May 14, 2024 |
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A user equipment (UE) receives, from a base station, a plurality of resource allocations for a group of UEs, wherein the plurality of resource allocations are for communication of UEs in proximity to each other. The UE selects one of the plurality of resources allocations for transmission, and transmits using the selected resource allocation, wherein the UE is in proximity to at least one other UE.
Opening claim text (preview).
What is claimed is: 1. A user equipment (UE) comprising: a transceiver, and a processor, operatively coupled to the transceiver, wherein: the transceiver and the processor are configured to: receive, from a base station, a plurality of resource allocations for a group of UEs, wherein the plurality of resource allocations are for communication of UEs in proximity to each other, select one of the plurality of resources allocations for transmission, and transmit using the selected resource allocation, wherein the UE is in proximity to at least one other UE. 2. The UE of claim 1 wherein the selection from the plurality of resource allocations is based on measurements by the UE. 3. The UE of claim 2 wherein the measurements are associated with interference levels in the plurality of resource allocations. 4. The UE of claim 1 wherein the selection from the plurality of resource allocations is based on threshold levels. 5. The UE of claim 4 wherein the threshold levels are dependent on distance measurements. 6. The UE of claim 1 wherein the transceiver and the processor are further configured to transmit location information to the base station and to receive information associated with being in proximity to another UE. 7. The UE of claim 1 wherein the transmission using the selected resource allocation occurs in a time slot. 8. The UE of claim 7 wherein another UE in proximity to the UE is scheduled to receive in the time slot. 9. A method performed by a user equipment (UE), the method comprising: receiving, from a base station, a plurality of resource allocations for a group of UEs, wherein the plurality of resource allocations are for communication of UEs in proximity to each other, selecting one of the plurality of resources allocations for transmission, and transmitting using the selected resource allocation, wherein the UE is in proximity to at least one other UE. 10. The method of claim 9 wherein the selection from the plurality of resource allocations is based on measurements by the UE. 11. The method of claim 10 wherein the measurements are associated with interference levels in the plurality of resource allocations. 12. The method of claim 9 wherein the selection from the plurality of resource allocations is based on threshold levels. 13. The method of claim 12 wherein the threshold levels are dependent on distance measurements. 14. The method of claim 9 further comprising transmitting location information to the base station and receiving information associated with being in proximity to another UE. 15. The method of claim 9 wherein the transmission using the selected resource allocation occurs in a time slot. 16. The method of claim 15 wherein another UE in proximity to the UE is scheduled to receive in the time slot. 17. A base station comprising: a transceiver, and a processor, operatively coupled to the transceiver, wherein: the transceiver and the processor are configured to: transmit a plurality of resource allocations to a group of UEs, wherein the plurality of resource allocations are for communication of UEs in proximity to each other, the UEs in the group select from the plurality of resources allocations for transmission, wherein each of the UEs are in proximity to at least one other UE. 18. The base station of claim 17 wherein the transceiver and the processor are further configured to receive location information from one of the UEs of the group of UEs and to transmit information to the one UE associated with being in proximity to another UE. 19. The base station of claim 17 wherein the transmission by the UE using the selected resource allocation occurs in a time slot. 20. The base station of claim 19 wherein another UE in proximity to the UE is scheduled to receive in the time slot.
of uplink data flows · CPC title
Resources in frequency domain, e.g. a carrier in FDMA · CPC title
Resources in time domain, e.g. slots or frames · CPC title
Resource management for direct mode communication, e.g. D2D or sidelink · CPC title
based on terminal or device properties · CPC title
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