JP2017526210A - 無線通信システムにおけるブラインド探知を行う方法及び装置 - Google Patents
無線通信システムにおけるブラインド探知を行う方法及び装置 Download PDFInfo
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- 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
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Abstract
Description
Claims (15)
- 無線通信システムにおける端末(UE;user equipment)によるPDSCH(physical downlink control channel)の長さを決定する方法であって、
認可されていない搬送波でPDSCHの開始OFDM(orthogonal frequency division multiplexing)シンボルまたは最後OFDMシンボルのうち、少なくとも1つを探知することと、
前記認可されていない搬送波で前記PDSCHの開始OFDMシンボルまたは最後OFDMシンボルのうち、少なくとも1つに基づいて、前記認可されていない搬送波で前記PDSCHの長さを決定することを含む、方法。 - 前記開始OFDMシンボルまたは最後OFDMシンボルのうち、少なくとも1つは、PDCCH(physical downlink control channel)のブラインド探知に基づいて探知される、請求項1に記載の方法。
- 前記開始OFDMシンボルまたは最後OFDMシンボルのうち、少なくとも1つは、前記PDCCHを介して受信されたDCI(downlink control information)に基づいて探知される、請求項2に記載の方法。
- 前記PDCCHの開始OFDMシンボルは、固定された、請求項2に記載の方法。
- 前記PDCCHに対して互いに異なるスクランブリングまたはCRC(cyclic redundancy check)が使用される、請求項2に記載の方法。
- 前記開始OFDMシンボルまたは最後OFDMシンボルのうち、少なくとも1つは、前記PDCCHのスクランブリングのために使用される、請求項2に記載の方法。
- 前記開始OFDMシンボルまたは最後OFDMシンボルのうち、少なくとも1つは、参照信号(RS;reference)パターンに基づいて探知される、請求項1に記載の方法。
- 前記RSパターンは、CRS(cell−specific RS)パターンまたはUE特定RSパターンである、請求項7に記載の方法。
- 前記RSパターンは、CRSパターンまたはUE特定RSパターンのミラーリングされたRSパターンである、請求項7に記載の方法。
- 前記PDSCHの長さは、前記PDSCHの開始OFDMシンボルからサブフレームの最後OFDMシンボルまでの長さとして決定される、請求項7に記載の方法。
- 前記PDSCHの長さは、サブフレームの最初OFDMシンボルから前記最後OFDMシンボルまでの距離として決定される、請求項7に記載の方法。
- 前記開始OFDMシンボルまたは最後OFDMシンボルのうち、少なくとも1つは、PCFICH(physical control format indicator channel)のブラインド探知に基づいて探知される、請求項1に記載の方法。
- 前記開始OFDMシンボルまたは最後OFDMシンボルのうち、少なくとも1つは、EPDCCH(enhanced PDCCH)のブラインド探知に基づいて探知される、請求項1に記載の方法。
- DCI指示子を含む発見参照信号(DRS;discovery reference signal)を受信することをさらに含み、
前記DCI指示子は、前記UEが現在のDRSの場合と次のDRS場合との間でスケジューリングされるか否かに関する情報を表す、請求項1に記載の方法。 - 端末(UE;user equipment)であって、
メモリと、
送受信部と、
前記メモリと前記送受信部とに連結されたプロセッサと、
を備え、
前記プロセッサは、
認可されていない搬送波でPDSCHの開始OFDM(orthogonal frequency division multiplexing)シンボルまたは最後OFDMシンボルのうち、少なくとも1つを探知し、
前記認可されていない搬送波で前記PDSCHの開始OFDMシンボルまたは最後OFDMシンボルのうち、少なくとも1つに基づいて、前記認可されていない搬送波で前記PDSCHの長さを決定するように構成される、端末。
Applications Claiming Priority (9)
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US201462011091P | 2014-06-12 | 2014-06-12 | |
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US201462093416P | 2014-12-18 | 2014-12-18 | |
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US201562161205P | 2015-05-13 | 2015-05-13 | |
US62/161,205 | 2015-05-13 | ||
PCT/KR2015/005961 WO2015190883A1 (en) | 2014-06-12 | 2015-06-12 | Method and apparatus for performing blind detection in wireless communication system |
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JP2017526210A true JP2017526210A (ja) | 2017-09-07 |
JP6906956B2 JP6906956B2 (ja) | 2021-07-21 |
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EP (2) | EP3155783B1 (ja) |
JP (1) | JP6906956B2 (ja) |
KR (1) | KR102453816B1 (ja) |
CN (1) | CN106464642B (ja) |
WO (1) | WO2015190883A1 (ja) |
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EP3155783A4 (en) | 2018-01-10 |
EP3155783B1 (en) | 2019-09-18 |
JP6906956B2 (ja) | 2021-07-21 |
CN106464642B (zh) | 2019-11-26 |
KR20170017934A (ko) | 2017-02-15 |
WO2015190883A1 (en) | 2015-12-17 |
US20170127414A1 (en) | 2017-05-04 |
US11147066B2 (en) | 2021-10-12 |
US10383113B2 (en) | 2019-08-13 |
KR102453816B1 (ko) | 2022-10-11 |
EP3573301B1 (en) | 2021-05-26 |
CN106464642A (zh) | 2017-02-22 |
EP3155783A1 (en) | 2017-04-19 |
EP3573301A1 (en) | 2019-11-27 |
US20190274142A1 (en) | 2019-09-05 |
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