US-12621807-B2 - Method and apparatus for providing radio resource information for sidelink control

Abstract

A communication method, comprising: transmitting from a base station to a mobile station a first message which includes resource information corresponding to one or more resource pools, wherein the resource information identifies at least one sub-frame and at least one resource block within the at least one sub-frame, transmitting to the mobile station an indicator of one or more designated resource pools and designated resources from within the one or more designated resource pools such that the mobile station is permitted to communicate with a wireless device in communication with the mobile station via a wireless link using the one or more designated resources within the one or more designated resource pools.

Inventors

• Youxiong LU
• Jin Yang
• Shuanghong HUANG

Assignees

• ZTE CORPORATION

Dates

Publication Date

20260505

Application Date

20230824

Claims (20)

1. 1 . A communication method, comprising: receiving, by a mobile station from a base station, a first message that includes a mapping between a plurality of radio network temporary identifiers (RNTIs) and a plurality of resource pools; and receiving, at the mobile station, a second message, wherein the second message indicates at least one resource pool from the plurality of resource pools and resources from within the at least one resource pool, and wherein the second message includes a downlink control information (DCI) scrambled with a RNTI of the plurality of RNTIs, the RNTI corresponding to the at least one resource pool according to the mapping.
2. 2 . The method of claim 1 , wherein the first message includes a radio resource control (RRC) message.
3. 3 . The method of claim 1 , wherein the at least one resource pool from the plurality of resource pools is indicated by a resource pool index within the DCI.
4. 4 . The method of claim 1 , wherein the first message includes resource information associated with the plurality of resource pools, wherein the resource information identifies at least one time resource and at least one resource block within the at least one time resource.
5. 5 . The method of claim 1 , wherein the first message includes the plurality of RNTIs in a one-to-one correspondence with the plurality of resource pools.
6. 6 . The method of claim 1 , wherein the second message includes a cyclic redundancy check (CRC) sequence.
7. 7 . The method of claim 1 , wherein the mobile station performs sidelink communication with a wireless device using the at least one resource pool.
8. 8 . An apparatus for wireless communication comprising a processor, configured to implement a method, comprising: receive, by the apparatus from a base station, a first message that includes a mapping between a plurality of radio network temporary identifiers (RNTIs) and a plurality of resource pools; and receive, at the apparatus, a second message, wherein the second message indicates at least one resource pool from the plurality of resource pools and resources from within the at least one resource pool, and wherein the second message includes a downlink control information (DCI) scrambled with a RNTI of the plurality of RNTIs, the RNTI corresponding to the at least one resource pool according to the mapping.
9. 9 . The apparatus of claim 8 , wherein the first message includes a radio resource control (RRC) message.
10. 10 . The apparatus of claim 8 , wherein the at least one resource pool from the plurality of resource pools is indicated by a resource pool index within the DCI.
11. 11 . The apparatus of claim 8 , wherein the first message includes resource information associated with the plurality of resource pools, wherein the resource information identifies at least one time resource and at least one resource block within the at least one time resource.
12. 12 . The apparatus of claim 8 , wherein the first message includes the plurality of RNTIs in a one-to-one correspondence with the plurality of resource pools.
13. 13 . The apparatus of claim 8 , wherein the second message includes a cyclic redundancy check (CRC) sequence.
14. 14 . The apparatus of claim 8 , wherein the apparatus performs sidelink communication with a wireless device using the at least one resource pool.
15. 15 . A non-transitory computer readable program storage medium having code stored thereon, the code, when executed by a processor, causing the processor to implement a method, comprising: receiving, by a mobile station from a base station, a first message that includes a mapping between a plurality of radio network temporary identifiers (RNTIs) and a plurality of resource pools; and receiving, at the mobile station, a second message, wherein the second message indicates at least one resource pool from the plurality of resource pools and resources from within the at least one resource pool, and wherein the second message includes a downlink control information (DCI) scrambled with a RNTI of the plurality of RNTIs, the RNTI corresponding to the at least one resource pool according to the mapping.
16. 16 . The non-transitory computer readable program storage medium of claim 15 , wherein the first message includes a radio resource control (RRC) message.
17. 17 . The non-transitory computer readable program storage medium of claim 15 , wherein the at least one resource pool from the plurality of resource pools is indicated by a resource pool index within the DCI.
18. 18 . The method of claim 7 , wherein the sidelink communication comprises vehicle-to-everything (V2X) communication.
19. 19 . The apparatus of claim 14 , wherein the sidelink communication comprises vehicle-to-everything (V2X) communication.
20. 20 . The non-transitory computer readable program storage medium of claim 15 , wherein the mobile station is caused to perform sidelink communication with a wireless device using the at least one resource pool.

Description

CROSS REFERENCE TO RELATED APPLICATIONS This patent document is a continuation of and claims benefit of priority to U.S. patent application Ser. No. 17/502,930, filed Oct. 15, 2021, which is a continuation of and claims benefit of priority to U.S. patent application Ser. No. 16/788,266, filed Feb. 11, 2020, issued as U.S. Pat. No. 11,153,851 on Oct. 19, 2021, which is a continuation of International Patent Application No. PCT/CN2017/097236, filed on Aug. 11, 2017. The entire content of the before-mentioned patent applications is incorporated by reference as part of the disclosure of this application. TECHNICAL FIELD This disclosure is directed generally to digital wireless communications. BACKGROUND Mobile communication technologies are moving the world toward an increasingly connected and networked society. The rapid growth of mobile communications and advances in technology has led to greater demand for capacity and peak data rates. Other aspects, such as energy consumption, device cost, spectral efficiency, cost per delivered bit, throughput, proximity services, and latency are also important to meeting the needs of various applications based on mobile communications. In comparison with the existing wireless networks, next generation systems and wireless communication techniques may need to support a much wider range of use-case characteristics and provide a much more complex range of access requirements and flexibilities. SUMMARY This disclosure relates to methods, systems, and devices for improved sidelink communication resource utilization by transmitting from a base station to a mobile station supporting proximity services (ProSe) in connection with a mobile station with one or more other mobile or other wireless devices operating in network scheduled mode an indicator that designates the allowable resource pools and resources (e.g. the allowable sub-frames and resource blocks) within that resource pool that the mobile station is permitted to use in a sidelink channel to communicate with another wireless device. A sidelink is a generic wireless communication link between wireless communication devices such as described in the LTE wireless standards. In one exemplary aspect, a wireless communication method is disclosed. The method comprises transmitting from a base station to a mobile station a first message which includes resource information corresponding to one or more resource pools, wherein the resource information identifies at least one sub-frame and at least one resource block within the at least one sub-frame, transmitting to the mobile station an indicator of one or more designated resource pools and designated resources from within the one or more designated resource pools such that the mobile station is permitted to communicate with a wireless device in communication with the mobile station via a sidelink using the one or more designated resources within the one or more designated resource pools. In another exemplary aspect, a wireless communication method is disclosed. The method comprises transmitting from a base station to a mobile station a first message which includes resource information corresponding to one or more resource pools, wherein the resource information identifies at least one sub-frame and at least one resource block within the at least one sub-frame, transmitting to the mobile station an explicit indicator of one or more designated resource pools and designated resources from within the one or more designated resource pools such that the mobile station is permitted to communicate with a wireless device in communication with the mobile station via a sidelink using the one or more designated resources within the one or more designated resource pools. In another exemplary aspect, a wireless communication method is disclosed. The method comprises transmitting from a base station to a mobile station a first message which includes resource information corresponding to one or more resource pools, wherein the resource information identifies at least one sub-frame and at least one resource block within the at least one sub-frame, transmitting to the mobile station an implicit indicator of one or more designated resource pools and designated resources from within the one or more designated resource pools such that the mobile station is permitted to communicate with a wireless device in communication with the mobile station via a sidelink using the one or more designated resources within the one or more designated resource pools. In another exemplary aspect, a wireless communication method is disclosed. The method comprises transmitting from a base station to a mobile station a first message which includes resource information corresponding to one or more resource pools, wherein the resource information identifies at least one sub-frame and at least one resource block within the at least one sub-frame, transmitting to the mobile station an explicit indicator, in the form of an info