[go: up one dir, main page]

WO2012068982A1 - Procédé et appareil d'étalonnage de terminal et terminal - Google Patents

Procédé et appareil d'étalonnage de terminal et terminal Download PDF

Info

Publication number
WO2012068982A1
WO2012068982A1 PCT/CN2011/082586 CN2011082586W WO2012068982A1 WO 2012068982 A1 WO2012068982 A1 WO 2012068982A1 CN 2011082586 W CN2011082586 W CN 2011082586W WO 2012068982 A1 WO2012068982 A1 WO 2012068982A1
Authority
WO
WIPO (PCT)
Prior art keywords
calibration
terminal
downlink
data
meter
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2011/082586
Other languages
English (en)
Chinese (zh)
Inventor
刘俊英
杨桦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ST Ericsson Semiconductor Beijing Co Ltd
Original Assignee
ST Ericsson Semiconductor Beijing Co Ltd
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 ST Ericsson Semiconductor Beijing Co Ltd filed Critical ST Ericsson Semiconductor Beijing Co Ltd
Publication of WO2012068982A1 publication Critical patent/WO2012068982A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration

Definitions

  • the present invention relates to the field of communications, and in particular, to a method and apparatus for implementing terminal calibration, and a terminal.
  • Time Division-Synchronous Code Division Multiple Access (TD SCDMA) terminals and meters usually use continuous wave (CW) as a calibration signal.
  • CW continuous wave
  • a calibration process can only calibrate one parameter (also called a calibration term, which can usually include frequency, transmit power, and receive gain, etc.). Therefore, the calibration process is a single point calibration. And, since the transmission of continuous wave is unidirectional, the calibration process cannot support parallel uplink measurement and downlink measurement.
  • a calibration term also called a calibration term, which can usually include frequency, transmit power, and receive gain, etc.
  • the calibration process takes a long time if more calibration items need to be used, and since only one calibration item can be calibrated per calibration, The calibration operation is performed multiple times, increasing the complexity of the calibration process.
  • the invention provides a method and a device for implementing terminal calibration and a terminal, which can realize two-way and multi-point calibration, thereby improving the calibration in the related art, which can only be unidirectional and single-point execution, resulting in low calibration efficiency and high complexity.
  • the efficiency of calibration reduces the complexity of calibration implementation.
  • a method of implementing terminal calibration is provided.
  • the method for implementing terminal calibration includes: the meter receives downlink synchronization from the host a channel parameter and a calibration parameter, where the calibration parameter is used to indicate a transmission mode of the calibration data; the meter transmits the synchronization data to the terminal by using a downlink synchronization channel, where the downlink synchronization channel is used by the meter according to the downlink ⁇ Channel parameter configuration is obtained; after the terminal detects synchronization with the meter and the synchronization is completed, the meter sends a TD SCDMA data to the terminal according to the calibration parameter according to the time division and the code division multiple access TD SCDMA data Downstream calibration data and receiving upstream calibration data from the terminal.
  • the calibration parameter includes an uplink calibration parameter and a downlink calibration parameter, and the calibration parameter is further notified to the terminal by the host, where the downlink calibration parameter is used to indicate a transmission mode of the downlink calibration data.
  • the uplink calibration parameter is used to indicate the transmission mode of the uplink calibration data;
  • the sending, by the meter, the downlink calibration data to the terminal the: the meter sending the downlink calibration data to the terminal by using the TD-SCDMA data frame according to the downlink calibration parameter;
  • the receiving, by the meter, the uplink calibration data from the terminal comprises: receiving, by the meter, the uplink calibration data sent by the terminal through the TD-SCDMA data frame according to the uplink calibration parameter.
  • the sending, by the meter, the downlink calibration data to the terminal and receiving the uplink calibration data from the terminal further includes: sending, by the terminal, uplink calibration data to the meter by using a TD-SCDMA data frame according to the uplink calibration parameter. And receiving, according to the downlink calibration parameter, downlink calibration data sent by the meter through the TD-SCDMA data frame.
  • the meter transmits downlink calibration data to the terminal and receives uplink calibration data from the terminal including one of the following:
  • the terminal and the meter simultaneously send calibration data to the other party when the successful synchronization condition is satisfied, wherein the successful peer condition refers to: the meter completes the same with the terminal, and the meter is The number of frames in which the terminal transmits the peer data reaches a predetermined value;
  • the meter transmits downlink calibration data to the terminal in response to uplink calibration data from the terminal, wherein the terminal transmits uplink calibration data to the meter immediately after synchronization is completed.
  • the downlink synchronization channel parameter includes at least one of: a frequency point of the downlink synchronization channel, and a power of the downlink synchronization channel.
  • the calibration parameter includes at least one of the following: a frequency point, a time slot, and a control word of the calibration data transmission.
  • an apparatus for implementing terminal calibration is provided.
  • the device for implementing terminal calibration includes: a receiving module, configured to receive a downlink synchronization channel parameter and a calibration parameter from the host, wherein the calibration parameter is used to indicate a transmission mode of the calibration data; and a synchronization module is configured to utilize the downlink The peer channel sends the peer data to the terminal, where the downlink synchronization channel is obtained by the meter according to the downlink synchronization channel parameter configuration; and the calibration module is configured to detect the synchronization data and the meter at the terminal In the case of completion synchronization, according to the calibration parameter, the downlink calibration data is transmitted to the terminal by the time division synchronous code division multiple access TD SCDMA data and the uplink calibration data from the terminal is received.
  • a receiving module configured to receive a downlink synchronization channel parameter and a calibration parameter from the host, wherein the calibration parameter is used to indicate a transmission mode of the calibration data
  • a synchronization module is configured to utilize the downlink The peer channel sends the peer data to the terminal, where the downlink
  • the calibration parameter includes an uplink calibration parameter and a downlink calibration parameter, and the calibration parameter is further notified to the terminal by the host, where the downlink calibration parameter is used to indicate a transmission mode of the downlink calibration data.
  • the uplink calibration parameter is used to indicate the transmission mode of the uplink calibration data;
  • the calibration module is specifically configured to send downlink calibration data to the terminal by using TD SCDMA data according to the downlink calibration parameter, and configured to receive an uplink calibration sent by the terminal by using a TD-SCDMA data frame according to the uplink calibration parameter. data.
  • the downlink synchronization channel parameter includes at least one of: a frequency point of the downlink synchronization channel, and a power of the downlink synchronization channel;
  • the calibration parameter includes at least one of the following: calibration frequency of the data transmission , time slot, control word.
  • a terminal is also provided.
  • the terminal includes: a receiving module, configured to receive a downlink synchronization channel parameter and a calibration parameter from the host, where the calibration parameter is used to indicate a transmission mode of the calibration data; and the detecting module is configured according to the downlink synchronization channel a parameter, the synchronization of the terminal and the meter is implemented by detecting a downlink peer channel of the synchronization data, wherein the downlink synchronization channel is configured by the meter according to the downlink synchronization channel parameter configuration; a calibration module, For transmitting the uplink calibration data to the meter and receiving the uplink calibration data from the meter by using a time division synchronous code division multiple access TD-SCDMA data frame according to the calibration parameter, in case the terminal completes the same with the meter Downstream calibration data.
  • a receiving module configured to receive a downlink synchronization channel parameter and a calibration parameter from the host, where the calibration parameter is used to indicate a transmission mode of the calibration data
  • the detecting module is configured according to the downlink synchronization channel
  • the invention realizes synchronization based on downlink downlink channel (DwPTD) by using the terminal and the meter, and calibrates the available time slots of the TD-SCDMA frame after the synchronization is completed, which can not only achieve uplink Parallel execution of calibration and downstream calibration, and simultaneous calibration of multiple calibration items in different time slots of TD-SCDMA data frames, thereby effectively improving calibration efficiency and reducing the complexity of the calibration process.
  • DwPTD downlink downlink channel
  • FIG. 1 is a flow chart of a method for implementing terminal calibration according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram showing a connection relationship between a host, a terminal, and an instrument when implementing a terminal calibration method according to an embodiment of the present invention.
  • FIG. 5 is a block diagram of an apparatus for implementing terminal calibration according to an embodiment of the present invention.
  • FIG. 6 is a block diagram of a terminal in accordance with an embodiment of the present invention.
  • the present invention proposes to realize synchronization based on downlink downlink channel (DwPTD) by using terminal and instrument, and ffi TD - Calibration of available time slots of SCDMA frames not only enables parallel execution of upstream and downstream calibrations, but also enables simultaneous calibration of multiple calibration items, thereby effectively improving calibration efficiency and reducing the complexity of the calibration process.
  • DwPTD downlink downlink channel
  • a method of implementing terminal calibration is provided for implementing calibration of a meter pair.
  • the host, the meter, and the terminal may be connected in the manner shown in FIG. 2, wherein the host may be a device (also referred to as a host computer) that controls the terminal and the meter, for example, may be The computer, the meter can be any calibration device that has the function of calibrating the terminal (for example, it can be a comprehensive tester). As shown in Figure 2, the host and the meter can be connected through the GPIB cable (GBIP Cable), and the host and the terminal can be connected via USB or UART. Port connection, the terminal and the meter can be connected by RF cable.
  • the connection mode between the devices shown in Figure 2 is only a specific example. In practical applications, the host, terminal and instrument can be used in other ways. Make a connection.
  • the implementation method of the terminal calibration according to the implementation of the present invention includes:
  • Step S101 the meter receives a downlink synchronization channel parameter and a calibration parameter of the slave machine, where the calibration parameter is used to indicate a transmission mode of the calibration data;
  • Step S103 The meter sends the synchronization data to the terminal by using the downlink synchronization channel, where the downlink synchronization channel is configured by the meter according to the downlink synchronization channel parameter configuration;
  • Step S105 after the terminal synchronizes with the meter and completes by detecting the synchronization data, the meter sends the downlink calibration data to the terminal and receives the uplink calibration data from the terminal according to the calibration parameter, and receives the uplink calibration data from the terminal through the time division synchronization code division multiple access TD-SCDMA data frame. Complete calibration of the terminal.
  • the host should not notify the terminal in addition to the downlink synchronization channel parameters, and the terminal should notify the terminal in advance, and the synchronization between the meter and the terminal means:
  • the terminal successfully detects the downlink peer channel according to the downlink synchronization channel parameter from the host.
  • the downlink synchronization channel parameter may include at least one of the following: a frequency point of the downlink peer channel, and a downlink.
  • the calibration parameter may include an uplink calibration parameter and a downlink calibration parameter, and the calibration parameter is the same.
  • the terminal should be notified to the terminal in advance, wherein the downlink calibration parameter is used to indicate the transmission mode of the downlink calibration data, and the uplink calibration parameter is used to indicate the transmission mode of the uplink calibration data, so that both the terminal and the meter can obtain the uplink calibration parameter and the downlink calibration parameter.
  • the host may first notify the terminal of the calibration parameters and the downlink synchronization channel parameters, and then notify the meter of the parameters, and notify the meter to prepare to send the synchronization data.
  • the downlink calibration data may be sent to the terminal through the TD-SCDMA data frame according to the downlink calibration parameter; when the meter receives the uplink calibration data from the terminal, the terminal may receive the terminal according to the uplink calibration parameter.
  • the terminal may receive the terminal according to the uplink calibration parameter.
  • TD-SCDMA data frames The upstream calibration data sent.
  • the terminal also needs to send uplink calibration data to the meter through the TD-SCDMA data frame according to the uplink calibration parameter; and the terminal also needs to receive the downlink calibration data sent by the meter through the TD-SCDMA data frame according to the downlink calibration parameter, so that Ability to interact with calibration data.
  • the time slot, control word and/or frequency point used to transmit the calibration data should be indicated in the calibration parameters.
  • the downstream calibration parameters should indicate the time slot, frequency point, and control word occupied by the downstream calibration data
  • the upstream calibration parameters should indicate the time slot, frequency point, and corresponding control word occupied by the upstream calibration data.
  • the host can further notify the terminal and the meter of a threshold number of times (for example, can be named T) before synchronizing, so that the calibration data can be started in the following two cases.
  • T a threshold number of times
  • (Mode 1) The terminal and the meter simultaneously send calibration data to the other party when the successful synchronization condition is satisfied, wherein the successful synchronization condition means: the meter and the terminal complete the same, and the number of frames in which the meter sends the same data to the terminal reaches the predetermined number. Value, that is, the meter will send synchronization data on the downlink peer channel of each data frame. If the number of frames sent reaches T and the terminal completes synchronization with the meter, both parties simultaneously send calibration data to each other;
  • Mode 2 The meter transmits downlink calibration data to the terminal in response to the uplink calibration data from the terminal, wherein the terminal sends the uplink calibration data to the meter immediately after the synchronization is completed.
  • the ⁇ value can also be used for judging, that is, in the process of transmitting the synchronization data by the meter through the downlink synchronization channel of the data frame, if the number of transmissions reaches ⁇ , and the terminal and the meter are still not completed. Synchronization, the synchronization is considered to have failed.
  • a synchronization time may be set instead of the above-mentioned number threshold ⁇ , so that the synchronization is successful or the calibration is triggered according to the length of time of the peer, and the process is similar to the above process, and is not repeated here.
  • Step 31 The host (PC) first notifies the terminal to be tested to receive the synchronization data sent by the meter, and simultaneously informs the terminal of the synchronization count parameter (ie, the number of times threshold) T ⁇ downlink downlink channel (DwPTD) parameter and calibration parameter;
  • the same parameter T can be set according to each terminal synchronization capability, for example, can be set to 25 to 50 subframes
  • the calibration parameters include uplink and downlink calibration frequency points, control words and time slots
  • the downlink synchronization channel parameters include downlink peers. The frequency and power level of the channel.
  • Step 32 the machine informs the meter that it is ready to send the peer data, and simultaneously informs the meter of the synchronous counting parameter T, the downlink channel (DwPTD) parameter and the calibration parameter;
  • Step 33 The meter configures the downlink synchronization channel according to the downlink synchronization channel parameter, and starts to send synchronization data in the synchronization channel of each frame.
  • the meter synchronization counter TDync counts as, and then the counter is accumulated according to the number of transmitted subframes.
  • Step 34 The terminal detects the downlink synchronization channel, and performs synchronization detection and adjustment according to the detected downlink synchronization channel.
  • Step 35 If the synchronization between the terminal and the meter fails, the terminal notifies the host of the synchronization failure; and step 36 is performed;
  • Step 36 The host notifies the meter of the failure of the peer, and ends the calibration
  • step 37 the meter and the terminal start uplink and downlink calibration according to the TD-SCDMA structure.
  • the meter starts to send the synchronization data, it should ensure that the terminal has entered the peer data receiving state, otherwise, after the meter sends the data, the terminal will not be able to receive the data in time, resulting in the omission of the peer data. The same identifier of the meter and terminal will not be aligned.
  • the terminal succeeds in the same period and the synchronization counter is equal to the configured peer count parameter T (due to the relationship between the length and time of the data, the terminal can know the number of frames T
  • the uplink calibration data is sent in the uplink time slot of the configuration (determined according to the uplink calibration parameter), and the downlink calibration data is received at the same time; when the synchronization counter is equal to the configured synchronization counting parameter, the meter starts to receive the terminal uplink calibration data. And simultaneously transmitting downlink calibration data in a prescribed time slot;
  • Step 41 The host first notifies the terminal to be tested to receive the peer data sent by the meter, and simultaneously The synchronization counting parameter (that is, the above-mentioned number threshold) T, the downlink synchronization channel (DwPTD) parameter, and the calibration parameter notification terminal; wherein, the synchronization number parameter T can be set according to each terminal synchronization capability, and the calibration parameter includes the frequency of the uplink and downlink calibration, Control word and time slot;
  • the downlink synchronization channel parameters include the frequency and power level of the downlink peer channel.
  • Step 42 the machine informs the meter that it is ready to send the peer data, and simultaneously informs the meter of the synchronous counting parameter T, the downlink channel (DwPTD) parameter and the calibration parameter;
  • Step 43 The meter configures the downlink synchronization channel according to the downlink synchronization channel parameter, and starts to send synchronization data in the synchronization channel of each frame.
  • the meter synchronization counter TDync counts as, and then the counter is accumulated according to the number of transmitted subframes.
  • Step 44 The terminal detects the downlink synchronization channel, and performs synchronization detection and adjustment according to the detected downlink synchronization channel.
  • step 45 the meter and the terminal start to perform uplink and downlink calibration according to the TD-SCDMA call structure; step 46, if the terminal is judged in step 44 If the synchronization fails with the meter, the terminal notifies the host of the failure of the peer, and performs step 47;
  • Step 47 The host notifies the meter of the failure of the peer, and ends the calibration
  • step 45 if the second method is used, the terminal immediately sends the uplink calibration data after the peer succeeds, and starts to receive the downlink calibration data; after the meter starts to send the downlink synchronization channel (ie, starts the peer), the terminal continuously monitors the terminal.
  • the uplink calibration data if data from the terminal is detected, starts uplink and downlink calibration, and transmits downlink calibration data to the terminal.
  • the terminal When the peer enters the downlink peer channel detection state, the terminal always detects the power of the downlink peer channel.
  • the specific detection method is as follows:
  • the terminal receives the data of one subframe (6400 di3 ⁇ 4) S ), and copies the last 128 chips data to the front, and forms the received data of 6400+128 chips; wherein, in the received j-th subframe data, the length is The 128chips window slides in a certain step ( ) to calculate the power in each window
  • Power is the power of 64 chips in the middle, where ⁇ OJo ---.
  • the terminal If the synchronization counter is equal to T, the terminal still does not detect the downlink synchronization channel, then the output peer fails.
  • the terminal starts to perform synchronization adjustment based on the downlink synchronization channel.
  • the synchronization adjustment algorithm is mainly for making the synchronization precision reach the clup level.
  • the synchronization adjustment algorithm is well known to those skilled in the art, and the specific process will not be described in detail herein. According to the implementation of the peer algorithm, when the algorithm fails to synchronize, the flag of the synchronization failure is output, otherwise the flag of the synchronization success is output.
  • an apparatus for implementing terminal calibration which can be used as the above-mentioned meter for performing calibration on a terminal.
  • the apparatus for implementing terminal calibration includes:
  • a first receiving module 51 configured to receive a downlink synchronization channel parameter and a calibration parameter from the host, where the calibration parameter is used to indicate a transmission mode of the calibration data;
  • the synchronization module 52 is connected to the first receiving module 51, and sends synchronization data to the terminal by using a downlink synchronization channel, where the downlink synchronization channel is configured by the meter according to the downlink synchronization channel parameter; the first calibration module 53 is connected to the first receiving The module 51 and the synchronization module 52 are configured to send downlink calibration data to the terminal and receive uplink calibration data from the terminal by time division with the code division multiple access TD-SCDMA data frame according to the calibration parameter, when the meter and the terminal complete synchronization. .
  • the calibration parameter may include an uplink calibration parameter and a downlink calibration parameter, and the calibration parameter is previously notified to the terminal by the host, wherein the downlink calibration parameter is used to indicate the transmission mode of the downlink calibration data, and the uplink calibration parameter is used to indicate the uplink calibration data.
  • Transmission method; Further, the first calibration module 53 is specifically configured to send downlink calibration data to the terminal through the TD-SCDMA data frame according to the downlink calibration parameter, and to receive the uplink calibration data sent by the terminal through the TD SCDMA data frame according to the uplink calibration parameter.
  • a terminal for performing calibration in conjunction with the implementation of the terminal calibration or instrument.
  • the terminal according to the implementation of the present invention includes:
  • a second receiving module 61 configured to receive downlink homogenous channel parameters and calibration parameters from the host, where the calibration parameters are used to indicate a transmission mode of the calibration data;
  • the detecting module 62 is connected to the second receiving module 61, and configured to synchronize the terminal and the meter by using the downlink synchronization channel of the peer data according to the downlink synchronization channel parameter, where the downlink synchronization channel is determined by the meter according to the downlink synchronization channel. Parameter configuration is obtained;
  • the second calibration module 63 is connected to the second receiving module 61 and the detecting module 62, and sends the TD-SCDMA data frame to the meter through time division and multiple code division multiple access according to the calibration parameter in the case that the terminal and the meter are synchronized. Upstream calibration data and receiving the number of downlink calibrations from the meter.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un appareil d'étalonnage de terminal et un terminal. Le procédé comprend les étapes suivantes: un compteur reçoit un paramètre de canal de synchronisation de liaison descendante et un paramètre d'étalonnage en provenance d'un hôte, le paramètre d'étalonnage indiquant le mode de transmission des données d'étalonnage; le compteur envoie les données de synchronisation à un terminal à l'aide du canal de synchronisation de liaison descendante, le canal de synchronisation de liaison descendante étant obtenu par le compteur en fonction de la configuration de paramètre de canal de synchronisation de liaison descendante; après que le terminal a achevé la synchronisation avec le compteur par détection des données de synchronisation, le compteur utilise des trames de données d'accès multiple par répartition en code à synchronisation par répartition dans le temps (TD-SCDMA) pour envoyer des données d'étalonnage de liaison descendante au terminal et recevoir des données d'étalonnage de liaison montante en provenance du terminal. La présente invention permet de simultanément exécuter un étalonnage de liaison montante et un étalonnage de liaison descendante, et des multiples éléments d'étalonnage peuvent être étalonnés simultanément dans des intervalles de temps de trames de données TD-SCDMA différents, améliorant ainsi efficacement le rendement d'étalonnage et réduisant la complexité d'étalonnage.
PCT/CN2011/082586 2010-11-24 2011-11-22 Procédé et appareil d'étalonnage de terminal et terminal Ceased WO2012068982A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN 201010564842 CN102158273B (zh) 2010-11-24 2010-11-24 终端校准的实现方法和装置、以及终端
CN201010564842.1 2010-11-24

Publications (1)

Publication Number Publication Date
WO2012068982A1 true WO2012068982A1 (fr) 2012-05-31

Family

ID=44439490

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2011/082586 Ceased WO2012068982A1 (fr) 2010-11-24 2011-11-22 Procédé et appareil d'étalonnage de terminal et terminal

Country Status (2)

Country Link
CN (1) CN102158273B (fr)
WO (1) WO2012068982A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102158273B (zh) * 2010-11-24 2013-10-16 意法·爱立信半导体（北京）有限公司 终端校准的实现方法和装置、以及终端
CN104145504A (zh) 2012-09-20 2014-11-12 华为技术有限公司 测量控制方法、用户设备、控制节点及系统
CN106550380B (zh) * 2015-09-23 2020-02-14 深圳市中兴微电子技术有限公司 一种终端的校准综测方法及装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002056503A1 (fr) * 2001-01-12 2002-07-18 Nokia Corporation Reglage de synchronisation pour transmission synchrone ascendante amrc large bande
CN1553586A (zh) * 2003-12-19 2004-12-08 大唐移动通信设备有限公司 Td-scdma系统中的下行同步校准方法和装置
US20070147333A1 (en) * 2005-12-22 2007-06-28 Makhijani Mahesh A System and method of transmission scheduling in time-division duplex communication system to minimize interference
CN101119146A (zh) * 2007-09-03 2008-02-06 北京天碁科技有限公司 一种对通信终端发射功率进行校准的方法、系统和装置
CN101123595A (zh) * 2007-09-03 2008-02-13 北京天碁科技有限公司 一种对数字接收机通道增益校准的方法和系统
CN102158273A (zh) * 2010-11-24 2011-08-17 意法·爱立信半导体（北京）有限公司 终端校准的实现方法和装置、以及终端

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002056503A1 (fr) * 2001-01-12 2002-07-18 Nokia Corporation Reglage de synchronisation pour transmission synchrone ascendante amrc large bande
CN1553586A (zh) * 2003-12-19 2004-12-08 大唐移动通信设备有限公司 Td-scdma系统中的下行同步校准方法和装置
US20070147333A1 (en) * 2005-12-22 2007-06-28 Makhijani Mahesh A System and method of transmission scheduling in time-division duplex communication system to minimize interference
CN101119146A (zh) * 2007-09-03 2008-02-06 北京天碁科技有限公司 一种对通信终端发射功率进行校准的方法、系统和装置
CN101123595A (zh) * 2007-09-03 2008-02-13 北京天碁科技有限公司 一种对数字接收机通道增益校准的方法和系统
CN102158273A (zh) * 2010-11-24 2011-08-17 意法·爱立信半导体（北京）有限公司 终端校准的实现方法和装置、以及终端

Also Published As

Publication number Publication date
CN102158273A (zh) 2011-08-17
CN102158273B (zh) 2013-10-16

Similar Documents

Publication Publication Date Title
US9288777B2 (en) Methods and apparatus for synchronizing clock signals in a wireless system
CN110754106B (zh) 一种无线链路监控方法和装置
US11671194B2 (en) Technologies for high-precision timestamping of packets
RU2463741C2 (ru) Способы и устройство для измерения двусторонней задержки в мобильной станции
TWI784958B (zh) 信號檢測的方法和裝置
US12328184B2 (en) Multi-source signal synchronization system and method
CN109996325B (zh) 一种无线传感器网络的时钟同步系统及方法
WO2019127447A1 (fr) Procédé, appareil et système pour une synchronisation temporelle
US10574330B2 (en) Link acquisition in wireless communication systems
WO2012068982A1 (fr) Procédé et appareil d'étalonnage de terminal et terminal
CN113285856B (zh) 数据传输时延的处理方法及系统和数据传输方法及系统
WO2020001188A1 (fr) Procédé et terminal de détermination de source de synchronisation
CN110618957B (zh) 接口时序校准方法及装置
US9143247B2 (en) Wireless communication method and apparatus
CN113258954B (zh) 一种低复杂度的tdd-lte同步方法及系统
CN106603171B (zh) 终端接收机误比特率的测试方法及设备
EP3335385B1 (fr) Acquisition de liaisons dans des systèmes sans fil directionnels
CN119147805B (zh) soc控制方法、装置、设备及存储介质
CN101998471B (zh) 一种解决近距离终端时序抖动接入误检的方法及系统
CN113891448A (zh) 一种自组网通信方法及终端
CN106817707A (zh) 在基站中用于检测以及辅助检测信号来源的方法及装置
CN103220698A (zh) 一种基于无线网络的节点间失步处理方法、装置及系统

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11842957

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11842957

Country of ref document: EP

Kind code of ref document: A1