JP2019532555A - 無線通信システムにおいて端末の測定によるリソース選択及びデータ伝送方法及び装置 - Google Patents
無線通信システムにおいて端末の測定によるリソース選択及びデータ伝送方法及び装置 Download PDFInfo
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
- H04L1/1819—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of additional or different redundancy
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1893—Physical mapping arrangements
-
- 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
- H04L5/0058—Allocation criteria
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/52—Allocation or scheduling criteria for wireless resources based on load
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/18—Interfaces between hierarchically similar devices between terminal devices
-
- 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
Abstract
Description
i)PUSCH及びPUCCHを介して伝送された情報のコヒーレント(coherent)な復調のためのチャネル推定のための復調参照信号(DeModulation−Reference Signal;DM−RS)、
ii)基地局が、ネットワークが異なる周波数での上りリンクのチャネル品質を測定するためのサウンディング参照信号(Sounding Reference Signal;SRS)がある。
i)セル内の全ての端末が共有するセル−特定の参照信号(Cell−specific Reference Signal;CRS)、
ii)特定の端末のみのための端末−特定の参照信号(UE−specific Reference Signal)、
iii)PDSCHが伝送される場合、コヒーレントな復調のために伝送されるDM−RS(DeModulation−Reference Signal)、
iv)下りリンクDMRSが伝送される場合、チャネル状態情報(Channel State Information;CSI)を伝達するためのチャネル状態情報参照信号(Channel State Information− Reference Signal;CSI−RS)、
v)MBSFN(Multimedia Broadcast Single Frequency Network)モードで送信される信号に対するコヒーレントな復調のために送信されるMBSFN参照信号(MBSFN Reference Signal)、
vi)端末の地理的位置情報を推定するのに使用される位置参照信号(Positioning Reference Signal)がある。
Claims (14)
- 無線通信システムにおいてD2D(Device-to-Device)端末がPSSCH(Physical sidelink shared channel)を伝送する方法であって、
PSCCH及び前記PSCCH(Physical sidelink control channel)により指示されるリソース領域で伝送されるPSSCHを受信する段階;
前記PSSCHに対するエネルギー測定値が所定の臨界値より大きい場合、前記PSSCHが伝送されたリソース領域を除いて伝送リソースを選択する段階;及び
前記選択された伝送リソースを使用してD2D信号を伝送する段階を含み、
前記臨界値は、前記PSSCHが再伝送であるか否か又は前記PSSCHのRV(Redundancy Version)によって異なる値を有するものである、PSSCH伝送方法。 - 前記PSSCHが最初伝送である場合の臨界値は、前記PSSCHが再伝送である場合の臨界値より小さい、請求項1に記載のPSSCH伝送方法。
- 前記RVが0である場合の臨界値は、前記RVが1である場合の臨界値より小さい、請求項1に記載のPSSCH伝送方法。
- 前記PSSCHが再伝送であるか否か又は前記PSSCHのRVによって異なる値を有する臨界値は、混雑レベルが所定のレベルより高い場合にのみ適用されるものである、請求項1に記載のPSSCH伝送方法。
- 前記PSCCHとPSSCHは同じサブフレームで受信されるものである、請求項1に記載のPSSCH伝送方法。
- 前記PSCCHとPSSCHはFDM(Frequency Division Multiplexing)されたものである、請求項1に記載のPSSCH伝送方法。
- 前記PSSCHに対するエネルギー測定値は、前記PSCCHのDMRS(DeModulation Reference Signal)伝送電力値に該当する、請求項6に記載のPSSCH伝送方法。
- 前記PSSCHに対するエネルギー測定値は、前記PSCCHが伝送されるリソースを除いたリソースに対するエネルギー測定値である、請求項6に記載のPSSCH伝送方法。
- 前記PSSCHに対するエネルギー測定値は、前記PSCCHに対するエネルギー測定結果と前記PSSCHに対するエネルギー測定値の加重平均である、請求項6に記載のPSSCH伝送方法。
- 前記PSCCHと前記PSSCHは周波数軸上で連続する、請求項9に記載のPSSCH伝送方法。
- 前記PSCCHと前記PSSCHは周波数軸上で連続しない場合、前記PSCCHに対するエネルギー測定結果の加重値は0である、請求項10に記載のPSSCH伝送方法。
- 前記PSCCHとPSSCHはTDM(Time Division Multiplexing)されたものである、請求項1に記載のPSSCH伝送方法。
- 前記PSCCHとPSSCHが同時に伝送される場合、前記PSCCHとPSSCHは異なる臨界値を有する、請求項12に記載のPSSCH伝送方法。
- 無線通信システムにおいてPSSCH(Physical sidelink shared channel)を伝送するD2D(Device-to-Device)端末装置であって、
送信装置及び受信装置;及び
プロセッサを含み、
前記プロセッサは、PSCCH及び前記PSCCH(Physical sidelink control channel)により指示されるリソース領域で伝送されるPSSCHを前記受信装置で受信し、前記PSSCHに対するエネルギー測定値が所定の臨界値より大きい場合、前記PSSCHが伝送されたリソース領域を除いて伝送リソースを選択し、前記選択された伝送リソースを使用してD2D信号を前記送信装置で伝送し、
前記臨界値は、前記PSSCHが再伝送であるか否か又は前記PSSCHのRV(Redundancy Version)によって異なる値を有するものである、端末装置。
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US201662378211P | 2016-08-22 | 2016-08-22 | |
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PCT/KR2017/009125 WO2018038496A1 (ko) | 2016-08-22 | 2017-08-22 | 무선 통신 시스템에서 단말의 측정을 통한 자원 선택 및 데이터 전송 방법 및 장치 |
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US10680778B2 (en) * | 2018-02-16 | 2020-06-09 | At&T Intellectual Property I, L.P. | Reducing control channel overhead in 5G or other next generation networks |
US10833818B2 (en) * | 2018-11-13 | 2020-11-10 | Qualcomm Incorporated | Resource exclusion in a half duplex based wireless communication system |
US20220150023A1 (en) * | 2019-04-02 | 2022-05-12 | Ntt Docomo, Inc. | Communication apparatus and communication method |
US11425690B2 (en) * | 2019-08-14 | 2022-08-23 | Qualcomm Incorporated | Spatial resource pool techniques for multiple concurrent transmissions in sidelink wireless communications |
WO2022235082A1 (ko) * | 2021-05-04 | 2022-11-10 | 엘지전자 주식회사 | 무선 통신 시스템에서 비선호 자원의 결정을 위한 방법 및 그 장치 |
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US10973033B2 (en) | 2021-04-06 |
JP6899427B2 (ja) | 2021-07-07 |
US20200296731A1 (en) | 2020-09-17 |
KR102450886B1 (ko) | 2022-10-04 |
KR20190035887A (ko) | 2019-04-03 |
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