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IN2015DN00465A - - Google Patents

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Publication number
IN2015DN00465A
IN2015DN00465A IN465DEN2015A IN2015DN00465A IN 2015DN00465 A IN2015DN00465 A IN 2015DN00465A IN 465DEN2015 A IN465DEN2015 A IN 465DEN2015A IN 2015DN00465 A IN2015DN00465 A IN 2015DN00465A
Authority
IN
India
Prior art keywords
antennas
network node
radio network
timing
misaligned
Prior art date
Application number
Inventor
Alireza Nejatian
Muhammad Kazmi
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of IN2015DN00465A publication Critical patent/IN2015DN00465A/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0667—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal
    • H04B7/0671—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal using different delays between antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Transmitters (AREA)

Abstract

Techniques for compensating for the time misalignment of receive transmit switching in a multi antenna radio network node are disclosed. An example method begins with the detection (1020) of signal transmission timing for each of two or more antennas associated with the radio network node for at least a first transmission period. Next the radio network node determines (1030) that transmit timing for at least one of the antennas is misaligned by at least a first threshold time interval based on the detected signal transmission timings. The example method continues with the adjustment (1040) of transmit timing for at least one of the antennas for one or more subsequent transmission periods responsive to determining that the transmission timing for at least one of the antennas is misaligned.
IN465DEN2015 2012-07-20 2012-07-20 IN2015DN00465A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2012/050847 WO2014014396A1 (en) 2012-07-20 2012-07-20 Adjusting receive-transmit timing to compensate for switching errors in a communication system

Publications (1)

Publication Number Publication Date
IN2015DN00465A true IN2015DN00465A (en) 2015-06-26

Family

ID=46705006

Family Applications (1)

Application Number Title Priority Date Filing Date
IN465DEN2015 IN2015DN00465A (en) 2012-07-20 2012-07-20

Country Status (4)

Country Link
US (1) US20150215887A1 (en)
EP (1) EP2875591B1 (en)
IN (1) IN2015DN00465A (en)
WO (1) WO2014014396A1 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103997426B (en) * 2013-02-17 2018-11-16 中兴通讯股份有限公司 The detection method and node of subframe incorrect order in a kind of inverse multiplexing
CN104009802A (en) * 2013-02-22 2014-08-27 中兴通讯股份有限公司 Method for prolonging transmission distance of passive optical network system, and optical line terminal
US20140362744A1 (en) * 2013-06-11 2014-12-11 Qualcomm Incorporated Method and apparatus for transmission by time division duplexing (tdd) devices using multiple antennas
CN105472633B (en) 2014-05-29 2020-12-29 索尼公司 Electronic device and method for synchronization detection between time division duplex wireless communication cells
DK3018945T3 (en) * 2014-11-04 2021-05-17 Alcatel Lucent Support for mobile-terminated communication in an evolved-packet system (EPS)
US20160285599A1 (en) * 2015-03-27 2016-09-29 Full Spectrum Inc. Devices, systems, and methods for ip based broadband wireless communication systems
JP6868567B2 (en) 2015-04-03 2021-05-12 ダリ システムズ カンパニー リミテッド Methods and systems for link synchronization in the LTE-TDD architecture
US9813934B2 (en) * 2015-05-15 2017-11-07 Lg Electronics Inc. Wireless device for supporting cellular communications and D2D communications
CN106550389A (en) * 2015-09-21 2017-03-29 中兴通讯股份有限公司 A kind of acquisition methods of up-link frame number difference, base station, terminal
WO2017181384A1 (en) 2016-04-21 2017-10-26 华为技术有限公司 Synchronization information sending or receiving method, base station, and communication node
US10419987B2 (en) * 2016-09-22 2019-09-17 Telefonaktiebolaget Lm Ericsson (Publ) Efficient uplink measurement signal RX and TX window allocation with timing misalignment
EP3520510B1 (en) * 2016-09-30 2022-04-27 Telefonaktiebolaget LM Ericsson (publ) Autonomous timing adjustment for a wireless device
US10368365B2 (en) 2017-02-02 2019-07-30 Qualcomm Incorporated Time mask techniques for shortened transmission time intervals
US10165537B1 (en) * 2017-02-24 2018-12-25 L3 Technologies, Inc. Distributed network time synchronization using geo-beacons
JP6602813B2 (en) * 2017-04-24 2019-11-06 株式会社東芝 Communication relay system and method
CN109286452B (en) * 2017-07-19 2021-08-06 普天信息技术有限公司 VSWR detection configuration method and device for reducing RF signal leakage
US10917144B2 (en) * 2017-11-15 2021-02-09 National Instruments Corporation One-shot wideband delay measurement with sub-sample accuracy for parallel receivers and/or generators, and alignment procedure
EP3857994A1 (en) * 2018-09-27 2021-08-04 Telefonaktiebolaget LM Ericsson (publ) Timing control for integrated access and backhaul (iab) node transmission
US12127062B2 (en) * 2018-10-05 2024-10-22 Nokia Solutions And Networks Oy Timing advance for rach-less backhaul handover
WO2020167013A1 (en) * 2019-02-14 2020-08-20 Samsung Electronics Co., Ltd. Time synchronization method, ue, base station, device and computer readable storage medium
WO2022067855A1 (en) * 2020-10-02 2022-04-07 Telefonaktiebolaget Lm Ericsson (Publ) Radio transmitter as well as method and controller therefor
WO2022236671A1 (en) * 2021-05-11 2022-11-17 Zte Corporation Systems and methods for indicating uplink positioning information in wireless communication systems
US11901931B2 (en) * 2021-09-09 2024-02-13 Qualcomm Incorporated Transmit diversity power leakage detection and filtering in antenna compensator power detector
CN114698092B (en) * 2022-02-21 2023-11-21 杭州永谐科技有限公司 TDD test method capable of automatically adjusting time delay and advance

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040096363A (en) * 2003-05-09 2004-11-16 삼성전자주식회사 Traffic Scheduling Apparatus and Method in Base Station of Wireless Communication System
US7729727B2 (en) * 2004-07-06 2010-06-01 Telefonaktiebolaget Lm Ericson (Publ) Aligning radio base station node transmission timing on multiple transmit paths
SE0402321D0 (en) * 2004-09-23 2004-09-23 Ericsson Telefon Ab L M Method in a communication system
CA2647442C (en) * 2006-03-24 2016-01-12 Interdigital Technology Corporation Method and apparatus for maintaining uplink synchronization and reducing battery power consumption
BRPI0819128A2 (en) * 2007-10-30 2015-05-05 Ericsson Telefon Ab L M Methods of tuning a one-node uplink, a radio network controller in a communication system, and a broadband code division multiple access user equipment, nob, radio network controller, and, user equipment.
KR101508978B1 (en) * 2009-04-20 2015-04-07 주식회사 케이엠더블유 A method of controlling transmission and reception timing of a base station antenna for TDD and a base station antenna
US8730854B2 (en) * 2009-08-20 2014-05-20 Qualcomm Incorporated Timing adjustments in a communication system
US8817641B2 (en) * 2011-02-16 2014-08-26 Intel Mobile Communications GmbH Communication terminal, communication device and methods thereof for detecting and avoiding in-device interference
US9209950B2 (en) * 2011-10-03 2015-12-08 Qualcomm Incorporated Antenna time offset in multiple-input-multiple-output and coordinated multipoint transmissions

Also Published As

Publication number Publication date
EP2875591A1 (en) 2015-05-27
EP2875591B1 (en) 2017-03-22
US20150215887A1 (en) 2015-07-30
WO2014014396A1 (en) 2014-01-23

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