JP7194844B2 - 送信電力制御のための装置ならびにこの装置の送信電力制御のための方法 - Google Patents
送信電力制御のための装置ならびにこの装置の送信電力制御のための方法 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
- H04B17/328—Reference signal received power [RSRP]; Reference signal received quality [RSRQ]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/347—Path loss
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/245—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account received signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
- H04W52/262—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account adaptive modulation and coding [AMC] scheme
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/383—TPC being performed in particular situations power control in peer-to-peer links
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/25—Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H—ELECTRICITY
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- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/18—Interfaces between hierarchically similar devices between terminal devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Description
Claims (15)
- 送信電力制御のための第1ユーザ機器(UE)(10)であって、
メモリ(12)と、
トランシーバ(13)と、
前記メモリおよび前記トランシーバに対して結合されたプロセッサ(11)と、を含み、
前記プロセッサは、
前記トランシーバを制御することにより、第2UE(20)に対してトリガ信号を送信し、これにより、第2UEに対してサイドリンク-基準信号受信電力(SL-RSRP)測定結果の報告を要求し、
前記トランシーバを制御することにより、前記第2UEから前記SL-RSRP測定報告を受信し、および、
前記報告されたSL-RSRP測定結果に従って、前記第1UEと前記第2UEとの間の経路損失を推定するように、構成され、
前記トランシーバは、
前記第2UEから物理的サイドリンク共有チャネル(PSSCH)を介して前記SL-RSRP測定報告を受信するようにさらに構成されている、第1ユーザ機器。 - 前記トリガ信号は、SL-RSRP測定報告間隔を指示する、請求項1に記載の第1ユーザ機器。
- 前記SL-RSRP測定報告のための前記トリガ信号は、無線リソース制御(RRC)信号の一部である、請求項1または2に記載の第1ユーザ機器。
- 前記トランシーバは、前記第2UEでのSL-RSRP測定を目的として、前記第2UEに対して、前記PSSCHの復調基準信号(DMRS)を送信するようにさらに構成されている、請求項1~3のいずれか一項に記載の第1ユーザ機器。
- 前記第1UEと前記第2UEとの間の前記経路損失は、前記第1UEから前記第2UEへと前記PSSCHを送信するために使用された基準SL送信電力レベルに従って推定される、請求項1~4のいずれか一項に記載の第1ユーザ機器。
- 前記第1UEと前記第2UEとの間の前記経路損失は、前記第1UEと前記第2UEとの間の前記経路損失が、前記第1UEから前記第2UEへと前記PSSCHを送信するために使用された基準SL送信電力レベルから、前記報告されたSL-RSRP測定結果を差し引いたものに等しい、という計算によって、推定される、請求項1~4のいずれか一項に記載の第1ユーザ機器。
- 前記報告されたSL-RSRP測定結果は、測定されたSL-RSRPレベルを含み、前記測定されたSL-RSRPレベルは、レイヤ3フィルタリングを介して平均化される、請求項1~6のいずれか一項に記載の第1ユーザ機器。
- 第1ユーザ機器(10)の送信電力制御のための方法(200)であって、
第2UEに対してトリガ信号を送信することにより、前記第2UEに対してサイドリンク-基準信号受信電力(SL-RSRP)測定結果の報告を要求すること(202)と、
前記第2UEから物理的サイドリンク共有チャネル(PSSCH)を介して前記SL-RSRP測定報告を受信すること(204)と、
前記報告されたSL-RSRP測定結果に従って、前記第1UEと前記第2UEとの間の経路損失を推定すること(206)と、を含む、方法。 - 前記トリガ信号を、SL-RSRP測定報告間隔を指示するものとする、請求項8に記載の方法。
- 前記SL-RSRP測定報告のための前記トリガ信号を、無線リソース制御(RRC)信号の一部とする、請求項8または9に記載の方法。
- 前記第2UEでのSL-RSRP測定を目的として、前記第2UEに対して、前記PSSCHの復調基準信号(DMRS)を送信することをさらに含む、請求項8~10のいずれか一項に記載の方法。
- 前記第1UEと前記第2UEとの間の前記経路損失を、前記第1UEから前記第2UEへと前記PSSCHを送信するために使用された基準SL送信電力レベルに従って推定する、請求項8~11のいずれか一項に記載の方法。
- 前記第1UEと前記第2UEとの間の前記経路損失を、前記第1UEと前記第2UEとの間の前記経路損失が、前記第1UEから前記第2UEへと前記PSSCHを送信するために使用された基準SL送信電力レベルから、前記報告されたSL-RSRP測定結果を差し引いたものに等しい、という計算によって、推定する、請求項8~11のいずれか一項に記載の方法。
- 前記第1UEから前記第2UEへと前記PSSCHを送信するために使用される新規SL送信電力レベルを前記推定された経路損失値に従って決定することをさらに含む、請求項8~13のいずれか一項に記載の方法。
- 前記報告されたSL-RSRP測定結果を、測定されたSL-RSRPレベルを含むものとし、前記測定されたSL-RSRPレベルを、レイヤ3フィルタリングを介して平均化されたものとする、請求項8~14のいずれか一項に記載の方法。
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EP3932128A1 (en) | 2022-01-05 |
JP2023029999A (ja) | 2023-03-07 |
CN113574942A (zh) | 2021-10-29 |
SG11202110851QA (en) | 2021-10-28 |
CN114125926A (zh) | 2022-03-01 |
EP3932128A4 (en) | 2022-04-27 |
KR20210139422A (ko) | 2021-11-22 |
WO2020199903A1 (en) | 2020-10-08 |
AU2020255008B2 (en) | 2023-06-22 |
IL286710A (en) | 2021-12-01 |
BR112021019634A2 (pt) | 2021-12-07 |
JP2022527922A (ja) | 2022-06-07 |
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AU2020255008A1 (en) | 2021-10-28 |
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