JP6655251B2 - 基準信号を送信する方法 - Google Patents
基準信号を送信する方法 Download PDFInfo
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- JP6655251B2 JP6655251B2 JP2018520392A JP2018520392A JP6655251B2 JP 6655251 B2 JP6655251 B2 JP 6655251B2 JP 2018520392 A JP2018520392 A JP 2018520392A JP 2018520392 A JP2018520392 A JP 2018520392A JP 6655251 B2 JP6655251 B2 JP 6655251B2
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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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2614—Peak power aspects
-
- 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0016—Time-frequency-code
- H04L5/0021—Time-frequency-code in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA
-
- 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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
-
- 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
- H04L5/0092—Indication of how the channel is divided
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
-
- 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Time-Division Multiplex Systems (AREA)
Description
[ R0 (n) ejanR0 (n) 0 0 ]
[ R1 (n) -ejanR1 (n) 0 0 ]
[ 0 0 R2 (n) ejanR2 (n)]
[ 0 0 R3 (n) -ejanR3 (n)]
[ R0 (2n) eja2nR0 (2n) R0 (2n+1) eja(2n+1)R0 (2n+1) ]
[ R1 (n) -ejanR1 (n) 0 0 ]
[ 0 0 R2 (n) -ejanR2 (n) ]
[ R0 (2n) eja2nR0 (2n) R0 (2n+1) eja(2n+1)R0 (2n+1) ]
[ R1 (n) -eja2nR1 (n) 0 0 ]
[ 0 0 R2 (n) -eja(2n+1)R2 (n) ]
[wi0 wi1 wi2 wi3 ] = [1 1 1 1]、又は
[1 -1 1 -1]、又は
[1 1 -1 -1]、又は
[1 -1 -1 1]
Claims (16)
- 前記基準信号グループのうち何れが適用されるかを示すインディケーションをUEに送信することを更に有し、
前記基準信号グループのそれぞれは基準信号シーケンスに対応している、
請求項1に記載の基準信号を送信する方法。 - 前記基準信号リソースが少なくとも2つの基準信号グループに分割されているか否かを示すインディケーションは、無線リソース制御(RRC:radio resource control)シグナリングにより送信される、請求項1又は2に記載の基準信号を送信する方法。
- 前記基準信号グループのうち何れが適用されるかを示すインディケーションは、DCIにより送信される、請求項2に記載の基準信号を送信する方法。
- 前記基準信号リソースは、2つの基準信号グループに分割される、請求項1から4の何れか1項に記載の基準信号を送信する方法。
- 前記基準信号グループの1つのインデックスに対応する巡回シフトフィールドは000、001、010、及び111の1つであり、前記他の基準信号グループの1つのインデックスに対応する巡回シフトフィールドは011、100、101、及び110の1つである、請求項1から5の何れか1項に記載の基準信号を送信する方法。
- 前記基準信号グループの1つを運ぶためのRE、及び前記他の基準信号グループを運ぶためのREは、周波数ドメインにおいて互い違いである請求項5に記載の基準信号を送信する方法。
- 前記基準信号グループのための基準信号シーケンスの長さは、レガシーDMRSシーケンスの長さの半分である請求項1から8何れか1項に記載の基準信号を送信する方法。
- 前記基準信号シーケンスのそれぞれの長さは、MRS SC=mNRB SC/2であり、
NRB SCはサブキャリアの数として表される周波数ドメインにおけるリソースブロックサイズであり、かつNmax,UL RBを最大の上りリンク帯域幅構成として1≦m≦Nmax,UL RBである請求項1から9何れか1項に記載の基準信号を送信する方法。 - 前記基準信号グループのうち何れが適用されるかを示すインディケーションを受信することを更に有し、
基準信号グループのそれぞれは基準信号シーケンスに対応している、
請求項11に記載の基準信号を送信する方法。 - 前記基準信号リソースは、2つの基準信号グループに分割され、
前記基準信号グループの1つのインデックスに対応する巡回シフトフィールドは000、001、010、及び111の1つであり、前記他の基準信号グループの1つのインデックスに対応する巡回シフトフィールドは011、100、101、及び110の1つである、請求項11又は12に記載の基準信号を送信する方法。 - 前記基準信号グループの1つを運ぶためのRE、及び前記他の基準信号グループを運ぶためのREは、周波数ドメインにおいて互い違いである請求項13に記載の基準信号を送信する方法。
- 前記基準信号グループのための基準信号シーケンスの長さは、レガシーDMRSシーケンスの長さの半分であり、
前記基準信号シーケンスのそれぞれの長さは、MRS SC=mNRB SC/2であり、
NRB SCはサブキャリアの数として表される周波数ドメインにおけるリソースブロックサイズであり、かつNmax,UL RBを最大の上りリンク帯域幅構成として1≦m≦Nmax,UL RBである請求項11から15何れか1項に記載の基準信号を送信する方法。
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JP2020012290A JP6897810B2 (ja) | 2016-01-20 | 2020-01-29 | 基地局により実施される方法、ユーザ機器により実施される方法、基地局、及びユーザ機器 |
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PCT/CN2016/071500 WO2017124335A1 (en) | 2016-01-20 | 2016-01-20 | Methods and apparatuses for transmitting a reference signal |
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US (4) | US10594454B2 (ja) |
EP (1) | EP3335493B1 (ja) |
JP (1) | JP6655251B2 (ja) |
KR (3) | KR102285634B1 (ja) |
CN (2) | CN108141854B (ja) |
AU (1) | AU2016387360B2 (ja) |
WO (1) | WO2017124335A1 (ja) |
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US11695521B2 (en) | 2023-07-04 |
US20180316469A1 (en) | 2018-11-01 |
US20230283419A1 (en) | 2023-09-07 |
CN108141854A (zh) | 2018-06-08 |
EP3335493A1 (en) | 2018-06-20 |
KR20210024203A (ko) | 2021-03-04 |
US20210218524A1 (en) | 2021-07-15 |
US20200153583A1 (en) | 2020-05-14 |
KR20180043310A (ko) | 2018-04-27 |
AU2016387360B2 (en) | 2019-05-23 |
WO2017124335A1 (en) | 2017-07-27 |
KR102285634B1 (ko) | 2021-08-05 |
KR20200060537A (ko) | 2020-05-29 |
JP2018537889A (ja) | 2018-12-20 |
US10979189B2 (en) | 2021-04-13 |
KR102221431B1 (ko) | 2021-03-02 |
KR102117772B1 (ko) | 2020-06-02 |
AU2016387360A8 (en) | 2018-04-19 |
EP3335493A4 (en) | 2019-03-27 |
CN108141854B (zh) | 2022-06-03 |
AU2016387360A1 (en) | 2018-04-12 |
US10594454B2 (en) | 2020-03-17 |
EP3335493B1 (en) | 2024-03-06 |
CN115150047A (zh) | 2022-10-04 |
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