JP2019519994A - 無線通信システムにおいて無線信号の送受信方法及び装置 - Google Patents
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Abstract
【選択図】図19
Description
Claims (12)
- 無線通信システムにおいて端末が通信を行う方法であって、
第1TTI(Transmission Timer Interval)長さを有する第1セルと第2TTI長さを有する第2セルとを併合し、第2TTI長さは第1TTI長さのN倍(N>1)である段階と、
前記第1セルの第1TTI上で前記第2セルに対するデータスケジューリング情報を受信する段階と、
前記データスケジューリング情報に基づいて、前記第1セルの第1TTIに対応する前記第2セルの第2TTI上でデータ通信を行う段階とを含み、
前記第1セルの第1TTIは、前記第2セルの第2TTIに対応する前記第1セルのN個のTTIのうちいずれか1つのTTIである、方法。 - 前記第2セルの第2TTIに対応する前記第1セルのN個のTTIは複数のTTIグループに区分され、前記第1セルの第1TTIは、前記TTIグループのうち所定のTTIグループに属するいずれか1つのTTIである、請求項1に記載の方法。
- 前記所定のTTIグループにおいて、前記第1セルの第1TTIに該当するTTIの位置が時間によって変化する、請求項2に記載の方法。
- 前記第1セルの第1TTIは、前記第2セルの第2TTIに対応する前記第1セルのN個のTTIのうち、前記第2セルの第2TTIを構成する複数のOFDM(Orthogonal Frequency Division Multiplexing)シンボルのうちの1番目のOFDMシンボルと時間領域で重なるTTIである、請求項1に記載の方法。
- 前記第2セルに対するデータスケジューリング情報を受信するために、さらに前記第2セルの第2TTIに対応する前記第1セルのN個のTIIを順にモニタリングすることを含み、
前記第2セルに対するデータスケジューリング情報が検出されると、前記第1セルのN個のTTIに対するモニタリングは未だモニタリングしていないTTIがあっても中断する、請求項1に記載の方法。 - 前記第1セルに設定された副搬送波スペーシングは、前記第2セルに設定された副搬送波スペーシングより大きい、請求項1に記載の方法。
- 無線通信システムで使用される端末であって、
RF(Radio Frequency)モジュールと、
プロセッサを含み、前記プロセッサは、
第1TTI(Transmission Timer Interval)長さを有する第1セルと第2TTI長さを有する第2セルとを併合し、第2TTI長さは第1TTI長さのN倍(N>1)であり、
前記第1セルの第1TTI上で前記第2セルに対するデータスケジューリング情報を受信し、
前記データスケジューリング情報に基づいて、前記第1セルの第1TTIに対応する前記第2セルの第2TTI上でデータ通信を行うように構成され、
前記第1セルの第1TTIは、前記第2セルの第2TTIに対応する前記第1セルのN個のTTIのうちいずれか1つのTTIである、端末。 - 前記第2セルの第2TTIに対応する前記第1セルのN個のTTIは複数のTTIグループに区分され、前記第1セルの第1TTIは、前記TTIグループのうち所定のTTIグループに属するいずれか1つのTTIである、請求項7に記載の端末。
- 前記所定のTTIグループにおいて、前記第1セルの第1TTIに該当するTTIの位置が時間によって変化する、請求項8に記載の端末。
- 前記第1セルの第1TTIは、前記第2セルの第2TTIに対応する前記第1セルのN個のTTIのうち、前記第2セルの第2TTIを構成する複数のOFDM(Orthogonal Frequency Division Multiplexing)シンボルのうちの1番目のOFDMシンボルと時間領域で重なるTTIである、請求項7に記載の端末。
- 前記プロセッサは、前記第2セルに対するデータスケジューリング情報を受信するために、さらに前記第2セルの第2TTIに対応する前記第1セルのN個のTIIを順にモニタリングするように構成され、
前記第2セルに対するデータスケジューリング情報が検出されると、前記第1セルのN個のTTIに対するモニタリングは未だモニタリングしていないTTIがあっても中断される、請求項7に記載の端末。 - 前記第1セルに設定された副搬送波スペーシングは、前記第2セルに設定された副搬送波スペーシングより大きい、請求項7に記載の端末。
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