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JP-2026514461-A - Power control for sidelink physical sidelink feedback channel transmission

JP2026514461AJP 2026514461 AJP2026514461 AJP 2026514461AJP-2026514461-A

Abstract

A system, method, apparatus, and computer program product for determining transmit power for common interlacing and RBs. One method may include a UE determining a PSFCH allocation for at least one dedicated RB, calculating the corresponding transmit power for the PSFCH allocation for at least one dedicated RB, and determining the allocation for a common PSFCH RB. The method further includes calculating the transmit power for the common RB based on the transmit power for dedicated resource blocks and a determined number of common resource blocks.

Inventors

  • ルンティラ ティモ エルッキ
  • リンドホルム ヤリ オラヴィ
  • ワイルズチェク トルステン
  • ジェン ナイジェン
  • アブレウ レナート バルボーザ
  • キーレリヒ プラタス ヌノ マヌエル
  • リウ ジアン グオ
  • リウ ヨン
  • ヤコブセン トーマス ハーニング

Assignees

  • ノキア テクノロジーズ オサケユイチア

Dates

Publication Date
20260511
Application Date
20230405

Claims (20)

  1. It is a device, At least one processor, At least one memory, which, when executed by the at least one processor, provides at least the device Determine the physical side-link feedback channel allocation for at least one dedicated physical side-link feedback channel resource block, Calculating the corresponding transmit power for the physical side-link feedback channel allocation for the at least one dedicated physical side-link feedback channel resource block, Determining at least one of the number or allocation of multiple common physical sidelink feedback channel resource blocks, Calculating the transmit power for the multiple common physical side-link feedback channel resource blocks based on the corresponding transmit power and the determined number or allocation of the multiple common physical side-link feedback channel resource blocks, At least one memory to store the instruction to perform the action, A device equipped with the following features.
  2. The apparatus according to claim 1, wherein the corresponding transmit power is calculated according to at least one side-link power control procedure.
  3. The at least one memory and the instructions are further executed by the at least one processor, and the device has at least one The apparatus according to claim 1 or 2, which causes the transmission of at least one physical sidelink feedback channel common resource block located closer than at least one threshold to the at least one dedicated physical sidelink feedback channel resource block to be omitted.
  4. The apparatus according to claim 3, wherein the at least one threshold is associated with at least one of the frequencies or number of resource blocks.
  5. The at least one memory and the instructions are further executed by the at least one processor, and the device has at least one The apparatus according to claim 3, which allows verification whether the physical side-link feedback channel assignment satisfies at least one occupied channel bandwidth requirement.
  6. The apparatus according to claim 5, wherein the transmit power for the plurality of common physical sidelink feedback channel resource blocks is calculated such that the transmit power for each of the common physical sidelink feedback channel resource blocks is at least 1 percent of the total transmit power for the common physical sidelink feedback channel resource block and the dedicated physical sidelink feedback channel resource block.
  7. The at least one memory and the instructions are further executed by the at least one processor, and the device has at least one Determining whether the calculated total transmit power exceeds the maximum transmit power of the device, the at least one memory and the instruction, when executed by the at least one processor, the device shall have at least If it is determined that the calculated total transmit power exceeds the maximum transmit power of the device, first omit the transmission of the common physical sidelink feedback channel resource block that is not the outermost, or if it is determined that the calculated total transmit power does not exceed the maximum transmit power of the device, or that the total transmit power is below a threshold, reduce the total transmit power and the total dedicated transmit power of the device by the same amount until the total transmit power is less than or equal to the total dedicated transmit power. The apparatus according to any one of claims 1 to 6, which causes to perform or to make a decision.
  8. Means for determining physical side-link feedback channel assignment for at least one dedicated physical side-link feedback channel resource block, means for calculating the corresponding transmit power of the physical side link feedback channel allocation for the at least one dedicated physical side link feedback channel resource block, Means for determining the number or at least one of the allocations of multiple common physical sidelink feedback channel resource blocks, means for calculating the transmit power for the plurality of common physical side link feedback channel resource blocks based on the corresponding transmit power and the determined number or allocation of the plurality of common physical side link feedback channel resource blocks, A device equipped with the following features.
  9. The apparatus according to claim 8, wherein the corresponding transmit power is calculated according to at least one side-link power control procedure.
  10. The apparatus according to claim 8 or 9, further comprising means for omitting the transmission of at least one physical sidelink feedback channel common resource block located closer than at least one threshold to the at least one dedicated physical sidelink feedback channel resource block.
  11. The apparatus according to claim 10, wherein the at least one threshold is associated with at least one of the frequencies or number of resource blocks.
  12. The apparatus according to claim 10, further comprising means for verifying whether the physical side-link feedback channel allocation satisfies at least one occupied channel bandwidth requirement.
  13. The apparatus according to claim 12, wherein the transmit power for the plurality of common physical sidelink feedback channel resource blocks is calculated such that the transmit power for each of the common physical sidelink feedback channel resource blocks is at least 1 percent of the total transmit power for the common physical sidelink feedback channel resource block and the dedicated physical sidelink feedback channel resource block.
  14. Means for determining whether the calculated total transmission power exceeds the maximum transmission power of the device, If it is determined that the calculated total transmit power exceeds the maximum transmit power of the device, means for first omitting the transmission of the common physical sidelink feedback channel resource block that is not the outermost; or, if it is determined that the calculated total transmit power does not exceed the maximum transmit power of the device, or that the total transmit power is below a threshold, means for reducing the total transmit power and the total dedicated transmit power of the device by the same amount until the total transmit power is less than or equal to the total dedicated transmit power. The apparatus according to any one of claims 8 to 13, further comprising means for determining, further including.
  15. Determine the physical side-link feedback channel allocation for at least one dedicated physical side-link feedback channel resource block, Calculating the corresponding transmit power for the physical side-link feedback channel allocation for the at least one dedicated physical side-link feedback channel resource block, Determining at least one of the number or allocation of multiple common physical sidelink feedback channel resource blocks, Calculating the transmit power for the multiple common physical side-link feedback channel resource blocks based on the corresponding transmit power and the determined number or allocation of the multiple common physical side-link feedback channel resource blocks, Methods that include...
  16. The method according to claim 15, wherein the corresponding transmit power is calculated according to at least one side-link power control procedure.
  17. The method according to claim 15 or 16, further comprising omitting the transmission of at least one physical sidelink feedback channel common resource block located closer than at least one threshold to the at least one dedicated physical sidelink feedback channel resource block.
  18. The method according to claim 17, wherein the at least one threshold is associated with at least one of the frequencies or numbers of resource blocks.
  19. The method according to claim 17, further comprising verifying whether the physical side-link feedback channel assignment satisfies at least one occupied channel bandwidth requirement.
  20. The method according to claim 19, wherein the transmit power for the plurality of common physical sidelink feedback channel resource blocks is calculated such that the transmit power for each of the common physical sidelink feedback channel resource blocks is at least 1 percent of the total transmit power for the common physical sidelink feedback channel resource block and the dedicated physical sidelink feedback channel resource block.

Description

Some exemplary embodiments may generally relate to mobile or wireless telecommunications systems, such as the Third Generation Partnership Project (3GPP) Long-Term Evolution (LTE), Fifth Generation (5G) Radio Access Technology (RAT), New Radio (NR) Access Technology, Sixth Generation (6G), and/or other communication systems. For example, certain exemplary embodiments may relate to a system and/or method for determining transmit power for common interlace and resource blocks (RBs). Examples of mobile or wireless telecommunications systems may include radio frequency (RF) 5G RAT, Universal Mobile Communications System (UMTS) terrestrial radio access network (UTRAN), LTE evolved UTRAN (E-UTRAN), LTE Advanced (LTE-A), LTE-A Pro, NR access technology, and/or Multifire Alliance. 5G wireless systems refer to next-generation (NG) radio systems and network architectures. While 5G systems are typically built on 5G NR, 5G (or NG) networks may also be built on E-UTRA radio. NR is expected to support service categories such as enhanced mobile broadband (eMBB), ultra-high reliability low latency communications (URLLLC), and massive machine-type communications (mMTC). NR is expected to provide ultra-broadband, ultra-robust, low-latency connectivity, and massive networking to support the Internet of Things (IoT). Next-generation radio access networks (NG-RAN) represent radio access networks (RAN) for 5G, which can provide radio access for NR, LTE, and LTE-A. Note that nodes in 5G that provide radio access functionality to user equipment (UE) (e.g., similar to node B in UTRAN or evolved node B (eNB) in LTE) may be called next-generation node B (gNB) when built on NR radio, and next-generation eNB (NG-eNB) when built on E-UTRA radio. According to some exemplary embodiments, the method may include the UE determining a physical sidelink feedback channel allocation for at least one dedicated physical sidelink feedback channel resource block. The method may further include the UE calculating the corresponding transmit power for the physical sidelink feedback channel allocation for at least one dedicated physical sidelink feedback channel resource block. The method may further include the UE determining the allocation for common physical sidelink feedback channel resource blocks. The method may further include the UE calculating the transmit power for multiple common physical sidelink feedback channel resource blocks based on the corresponding transmit power and the determined number or allocation of multiple common physical sidelink feedback channel resource blocks. According to certain exemplary embodiments, the apparatus may include means for determining a physical sidelink feedback channel allocation for at least one dedicated physical sidelink feedback channel resource block. The apparatus may further include means for calculating the corresponding transmit power for the physical sidelink feedback channel allocation for at least one dedicated physical sidelink feedback channel resource block. The apparatus may further include means for determining the allocation of common physical sidelink feedback channel resource blocks. The apparatus may further include means for calculating the transmit power for a plurality of common physical sidelink feedback channel resource blocks based on the corresponding transmit power and the determined number or allocation of a plurality of common physical sidelink feedback channel resource blocks. According to various exemplary embodiments, a non-transient computer-readable medium, when executed by the device, may include program instructions that cause the device to perform at least one method. The method may include determining a physical side-link feedback channel allocation for at least one dedicated physical side-link feedback channel resource block. The method may further include calculating the corresponding transmit power for the physical side-link feedback channel allocation for at least one dedicated physical side-link feedback channel resource block. The method may further include determining the allocation for a common physical side-link feedback channel resource block. The method may further include calculating the transmit power for a plurality of common physical side-link feedback channel resource blocks based on the corresponding transmit power and the determined number or allocation of a plurality of common physical side-link feedback channel resource blocks. According to several exemplary embodiments, a computer program product may perform a method. The method may include determining a physical side-link feedback channel allocation for at least one dedicated physical side-link feedback channel resource block. The method may further include calculating the corresponding transmit power for the physical side-link feedback channel allocation for at least one dedicated physical side-link feedback channel resource block. The method may further include determining the allocation for