TWI800638B - 窄頻通訊中的發現參考信號 - Google Patents
窄頻通訊中的發現參考信號 Download PDFInfo
- Publication number
- TWI800638B TWI800638B TW108113382A TW108113382A TWI800638B TW I800638 B TWI800638 B TW I800638B TW 108113382 A TW108113382 A TW 108113382A TW 108113382 A TW108113382 A TW 108113382A TW I800638 B TWI800638 B TW I800638B
- Authority
- TW
- Taiwan
- Prior art keywords
- reference signals
- discovery reference
- narrowband communications
- narrowband
- communications
- Prior art date
Links
Classifications
-
- 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
-
- 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
- H04L27/26132—Structure of the reference signals using repetition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
-
- 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
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
- H04L27/26136—Pilot sequence conveying additional information
-
- 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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
- H04L27/2692—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with preamble design, i.e. with negotiation of the synchronisation sequence with transmitter or sequence linked to the algorithm used at the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
- H04W56/0015—Synchronization between nodes one node acting as a reference for the others
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862659688P | 2018-04-18 | 2018-04-18 | |
US62/659,688 | 2018-04-18 | ||
US16/385,929 | 2019-04-16 | ||
US16/385,929 US11233614B2 (en) | 2018-04-18 | 2019-04-16 | Discovery reference signals in narrowband communications |
Publications (2)
Publication Number | Publication Date |
---|---|
TW201944751A TW201944751A (zh) | 2019-11-16 |
TWI800638B true TWI800638B (zh) | 2023-05-01 |
Family
ID=68237042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW108113382A TWI800638B (zh) | 2018-04-18 | 2019-04-17 | 窄頻通訊中的發現參考信號 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11233614B2 (zh) |
EP (2) | EP4213435A1 (zh) |
CN (1) | CN111989887B (zh) |
TW (1) | TWI800638B (zh) |
WO (1) | WO2019204448A1 (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10707915B2 (en) * | 2017-12-04 | 2020-07-07 | Qualcomm Incorporated | Narrowband frequency hopping mechanisms to overcome bandwidth restrictions in the unlicensed frequency spectrum |
WO2020028510A1 (en) * | 2018-08-01 | 2020-02-06 | Intel Corporation | Narrowband reference signal transmission for measurement and synchronization |
EP3888256A4 (en) | 2018-11-27 | 2022-08-31 | Xcom Labs, Inc. | MULTIPLE INPUT AND INCOHERENT COOPERATIVE MULTIPLE OUTPUT COMMUNICATIONS |
US11411778B2 (en) | 2019-07-12 | 2022-08-09 | XCOM Labs, Inc. | Time-division duplex multiple input multiple output calibration |
US11411779B2 (en) | 2020-03-31 | 2022-08-09 | XCOM Labs, Inc. | Reference signal channel estimation |
KR20230015932A (ko) | 2020-05-26 | 2023-01-31 | 엑스콤 랩스 인코퍼레이티드 | 간섭-인식 빔포밍 |
CA3195885A1 (en) | 2020-10-19 | 2022-04-28 | XCOM Labs, Inc. | Reference signal for wireless communication systems |
WO2022093988A1 (en) | 2020-10-30 | 2022-05-05 | XCOM Labs, Inc. | Clustering and/or rate selection in multiple-input multiple-output communication systems |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102868649A (zh) * | 2011-07-06 | 2013-01-09 | 杰脉通信技术(上海)有限公司 | 一种用于tdd-lte和fdd-lte双模的频偏估计方法 |
US20160234707A1 (en) * | 2015-02-05 | 2016-08-11 | Telefonaktiebolaget L M Ericsson (Publ) | Measurement procedure under adaptive frequency separation |
TW201735580A (zh) * | 2016-02-26 | 2017-10-01 | 高通公司 | 發現參考信號傳輸訊窗偵測以及發現參考信號量測配置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017119925A1 (en) * | 2016-01-08 | 2017-07-13 | Intel IP Corporation | Nb-iot synchronization signals with offset information |
US11438872B2 (en) * | 2016-02-05 | 2022-09-06 | Intel Corporation | Narrowband internet of things devices and method of operation thereof |
CN106972915B (zh) * | 2017-03-30 | 2020-03-06 | 深圳市励科机电科技工程有限公司 | 一种信号传输方法和窄带无线终端 |
-
2019
- 2019-04-16 US US16/385,929 patent/US11233614B2/en active Active
- 2019-04-17 EP EP23161113.8A patent/EP4213435A1/en active Pending
- 2019-04-17 TW TW108113382A patent/TWI800638B/zh active
- 2019-04-17 EP EP19721493.5A patent/EP3782320B1/en active Active
- 2019-04-17 CN CN201980026021.1A patent/CN111989887B/zh active Active
- 2019-04-17 WO PCT/US2019/027882 patent/WO2019204448A1/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102868649A (zh) * | 2011-07-06 | 2013-01-09 | 杰脉通信技术(上海)有限公司 | 一种用于tdd-lte和fdd-lte双模的频偏估计方法 |
US20160234707A1 (en) * | 2015-02-05 | 2016-08-11 | Telefonaktiebolaget L M Ericsson (Publ) | Measurement procedure under adaptive frequency separation |
TW201735580A (zh) * | 2016-02-26 | 2017-10-01 | 高通公司 | 發現參考信號傳輸訊窗偵測以及發現參考信號量測配置 |
Non-Patent Citations (1)
Title |
---|
網路文獻 Huawei, HiSilicon, "Reduction of NB-IoT synchronization time", #3GPP TSG RAN WG1 Meeting #92bis, R1-1803877, 2018/04/06. https://www.3gpp.org/ftp/TSG_RAN/WG1_RL1/TSGR1_92b/Docs * |
Also Published As
Publication number | Publication date |
---|---|
EP3782320B1 (en) | 2023-04-26 |
WO2019204448A1 (en) | 2019-10-24 |
EP4213435A1 (en) | 2023-07-19 |
EP3782320A1 (en) | 2021-02-24 |
US20190327047A1 (en) | 2019-10-24 |
CN111989887B (zh) | 2023-10-27 |
US11233614B2 (en) | 2022-01-25 |
TW201944751A (zh) | 2019-11-16 |
CN111989887A (zh) | 2020-11-24 |
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