JP2021500830A - 無線通信システムにおいてランダムアクセス手順を行う方法及び装置 - Google Patents
無線通信システムにおいてランダムアクセス手順を行う方法及び装置 Download PDFInfo
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- H—ELECTRICITY
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- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
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- 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
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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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
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
Description
Claims (15)
- 無線通信システムにおいて端末(UE;user equipment)がランダムアクセス手順でMSG3を送信する方法であって、
前記ランダムアクセス手順で前記MSG3の送信のための周波数資源を決定し、及び
前記周波数資源を介して前記MSG3をネットワークに送信することを含み、
前記周波数資源の開始位置は、活性アップリンク(UL;uplink)帯域幅部分(BWP;bandwidth part)の最も小さいPRB(physical resource block)であり、
前記周波数資源の帯域幅は、初期UL BWPの帯域幅と同一であることを特徴とする方法。 - 前記活性UL BWPは、前記初期UL BWPを含まないことを特徴とする請求項1に記載の方法。
- 前記MSG3は、前記活性UL BWPを介して前記ネットワークに送信されることを特徴とする請求項1に記載の方法。
- 前記MSG3は、UL搬送波またはSUL(supplemental)搬送波のうち、いずれか1つに位置した前記活性UL BWPを介して前記ネットワークに送信されることを特徴とする請求項3に記載の方法。
- 前記MSG3が送信される前記活性UL BWPを含む前記UL搬送波または前記SUL搬送波は、ランダムアクセスプリアンブルが送信された搬送波と同じ搬送波であることを特徴とする請求項4に記載の方法。
- 無線通信システムにおける端末(UE;user equipment)であって、
メモリと、
送受信部と、
前記メモリ及び前記送受信部と連結されるプロセッサと、
を備え、
前記プロセッサは、
ランダムアクセス手順でMSG3の送信のための周波数資源を決定し、及び
前記周波数資源を介して前記MSG3をネットワークに送信するように前記送受信部を制御し、
前記周波数資源の開始位置は、活性アップリンク(UL;uplink)帯域幅部分(BWP;bandwidth part)の最も小さいPRB(physical resource block)であり、
前記周波数資源の帯域幅は、初期UL BWPの帯域幅と同一であることを特徴とする端末。 - 前記活性UL BWPは、前記初期UL BWPを含まないことを特徴とする請求項6に記載の端末。
- 前記MSG3は、前記活性UL BWPを介して前記ネットワークに送信されることを特徴とする請求項6に記載の端末。
- 前記MSG3は、UL搬送波またはSUL(supplemental)搬送波のうち、いずれか1つに位置した前記活性UL BWPを介して前記ネットワークに送信されることを特徴とする請求項8に記載の端末。
- 前記MSG3が送信される前記活性UL BWPを含む前記UL搬送波または前記SUL搬送波は、PRACH(physical random access channel)プリアンブルが送信された搬送波と同じ搬送波であることを特徴とする請求項9に記載の端末。
- 無線通信システムにおいて基地局(BS;base station)がランダムアクセス手順でMSG3を受信する方法であって、
ランダムアクセスプリアンブルを端末(UE;user equipment)から受信し、
前記ランダムアクセスプリアンブルに対する応答であるランダムアクセス応答を前記UEに送信し、及び
MSG3の送信のための周波数資源を介して前記MSG3をUEから受信することを含み、
前記周波数資源の開始位置は、活性アップリンク(UL;uplink)帯域幅部分(BWP;bandwidth part)の最も小さいPRB(physical resource block)であり、
前記周波数資源の帯域幅は、初期UL BWPの帯域幅と同一であることを特徴とする方法。 - 前記活性UL BWPは、前記初期UL BWPを含まないことを特徴とする請求項11に記載の方法。
- 前記MSG3は、前記活性UL BWPを介して前記UEから受信されることを特徴とする請求項11に記載の方法。
- 前記MSG3は、UL搬送波またはSUL(supplemental)搬送波のうち、いずれか1つに位置した前記活性UL BWPを介して前記UEから受信されることを特徴とする請求項13に記載の方法。
- 前記MSG3が受信される前記活性UL BWPを含む前記UL搬送波または前記SUL搬送波は、前記ランダムアクセスプリアンブルが受信された搬送波と同じ搬送波であることを特徴とする請求項14に記載の方法。
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US201762576586P | 2017-10-24 | 2017-10-24 | |
US62/576,586 | 2017-10-24 | ||
US201862638214P | 2018-03-04 | 2018-03-04 | |
US62/638,214 | 2018-03-04 | ||
KR20180051426 | 2018-05-03 | ||
KR10-2018-0051426 | 2018-05-03 | ||
PCT/KR2018/012652 WO2019083278A1 (ko) | 2017-10-24 | 2018-10-24 | 무선 통신 시스템에서 랜덤 액세스 절차를 수행하는 방법 및 장치 |
KR10-2018-0127496 | 2018-10-24 | ||
KR1020180127496A KR102010485B1 (ko) | 2017-10-24 | 2018-10-24 | 무선 통신 시스템에서 랜덤 액세스 절차를 수행하는 방법 및 장치 |
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KR20190117290A (ko) * | 2018-04-06 | 2019-10-16 | 삼성전자주식회사 | 무선 셀룰라 통신 시스템에서 상향링크 데이터 스케줄링 및 전송 방법 및 장치 |
KR20200142526A (ko) | 2018-05-11 | 2020-12-22 | 주식회사 윌러스표준기술연구소 | 무선 통신 시스템의 상향 링크 제어 정보 멀티플렉싱 방법 및 이를 이용하는 장치 |
CN110602769B (zh) * | 2018-06-13 | 2021-04-13 | 维沃移动通信有限公司 | 数据处理方法、用户设备和网络侧设备 |
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