WO2013067822A1 - 一种异频和异系统测量的方法及移动终端 - Google Patents

一种异频和异系统测量的方法及移动终端 Download PDF

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Publication number
WO2013067822A1
WO2013067822A1 PCT/CN2012/078057 CN2012078057W WO2013067822A1 WO 2013067822 A1 WO2013067822 A1 WO 2013067822A1 CN 2012078057 W CN2012078057 W CN 2012078057W WO 2013067822 A1 WO2013067822 A1 WO 2013067822A1
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Prior art keywords
inter
frequency
measurement
mobile terminal
speed state
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PCT/CN2012/078057
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English (en)
French (fr)
Inventor
王鑫岗
张宇
陈振华
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中兴通讯股份有限公司
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Publication of WO2013067822A1 publication Critical patent/WO2013067822A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0083Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085Hand-off measurements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0083Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085Hand-off measurements
    • H04W36/0088Scheduling hand-off measurements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/16Discovering, processing access restriction or access information

Definitions

  • the standby time of the mobile terminal is a concern of the operator and various manufacturers.
  • the standby time of the mobile terminal is related to many factors, one of which is the inter-frequency and inter-system measurement to ensure the mobility of the mobile terminal.
  • the inter-frequency and inter-system measurement methods of the mobile terminal are specifically as follows: when the mobile terminal is a single receiver, after receiving the measurement command, periodically detecting the inter-frequency and inter-system signals; when the mobile terminal is a multi-receiver, One of the receiving opportunities is configured to perform inter-frequency and inter-system measurement.
  • the mobile terminal of the multi-receiver receives the measurement command, the receiver is periodically turned on to measure the inter-frequency and inter-system signals.
  • the mobile communication system protocol stipulates that the measurement period can be 40ms, 80ms or 160ms. The default period is sent by the base station to the mobile terminal. The measurement period selected by the specific base station is specified by the manufacturer.
  • the mobile terminal can use 160 ms to perform inter-frequency and inter-system measurement, but the base station only specifies the mobile terminal. It is measured using a measurement period of 40 ms, which increases the power consumption of the mobile terminal.
  • the current mobile terminal performs the method of inter-frequency and inter-system measurement, and cannot flexibly select the measurement period, thereby consuming a large amount of power and reducing the standby time of the mobile terminal.
  • an object of the present invention is to provide a method for measuring different frequency and different systems and a mobile terminal, which can flexibly select a measurement period, reduce power consumption, and further improve standby time of the mobile terminal.
  • the invention provides a method for measuring different frequency and different systems, the method comprising:
  • the inter-frequency and inter-system measurement strategy is: a list of the radius of the cell and the relationship between the speed state of the cell and the inter-frequency and inter-system measurement period.
  • the method before using the cell radius and the speed state of the cell, and selecting the measurement period from the inter-frequency and the different system measurement strategy, the method further includes: calculating the cell radius and saving, and acquiring the speed state of the cell; Start inter-frequency and inter-system measurement. If you start, use the cell radius and its own speed state, select the measurement period from the inter-frequency and inter-system measurement strategy; otherwise, continue to judge whether to start inter-frequency and inter-system measurement.
  • the method before calculating the cell radius and saving, the method further includes: receiving a system information block (SIB), calculating a cell radius by using a guard interval (GP) value in the SIB1, and saving.
  • SIB system information block
  • GP guard interval
  • the method further includes: determining whether the speed state of the self changes, and if the change occurs, using the cell radius and the speed state of the cell again, The measurement period is selected from the inter-frequency and inter-system measurement strategies; if there is no change, it is judged whether it is necessary to re-select or switch to the new cell, if necessary, recalculate the cell radius and save, and obtain its own speed state in real time, If not, continue to determine if your own speed status has changed.
  • the present invention also provides a mobile terminal, the mobile terminal comprising: a measurement decision module and a process control module;
  • the measurement decision module is configured to save the inter-frequency and different-system measurement strategies, and use the cell radius and the own speed state sent by the processing control module to select a measurement period from the inter-frequency and inter-system measurement strategies, and select the measurement The cycle is sent to the processing control module;
  • the processing control module is configured to send the cell radius and its own speed state to the measurement decision module, and perform the inter-frequency and inter-system measurement according to the measurement period sent by the measurement decision module.
  • the measurement decision module is specifically configured to list a radius of the cell in which the cell is located and a speed state of the cell, and a different relationship between the frequency difference and the different system measurement period, and use the corresponding relationship list as the different frequency and different The system measurement strategy is saved.
  • the processing control module is further configured to calculate a cell radius and save, and obtain its own speed state; determine whether to start inter-frequency and inter-system measurement, and if yes, send a cell radius and a mobile to the measurement decision module.
  • the speed status of the terminal if not started, continue to judge whether to start inter-frequency and inter-system measurement.
  • the mobile terminal further includes: a transceiver module, configured to receive the SIB 1 ,
  • the method for inter-frequency and inter-system measurement and the mobile terminal provided by the invention have the following advantages and features:
  • the mobile terminal can be based on the preset inter-frequency and inter-system measurement strategy list, its own speed state and the cell radius
  • the reference value is used to adjust the measurement period of the inter-frequency and inter-system. Correct For a mobile terminal with a single receiver, the frequency of the inter-frequency measurement can be appropriately reduced according to the actual situation; for a mobile terminal with multiple receivers, the receiver of the inter-frequency and inter-system measurement can be turned off and on according to the actual situation. In this case, the power consumption can be reduced, and the standby time of the mobile terminal can be improved.
  • FIG. 1 is a diagram showing an example of a different frequency and different system measurement strategy according to the present invention
  • FIG. 2 is a diagram showing another example of a different frequency and different system measurement strategy according to the present invention.
  • FIG. 3 is a schematic flow chart of a method for measuring different frequency and different systems according to the present invention.
  • the inter-frequency and inter-system measurement strategy is prepared and saved in the mobile terminal according to actual conditions, and the corresponding inter-frequency and inter-system measurement periods are determined according to the radius of the cell in which the mobile terminal is located and its own speed state. That is, the different frequency and different system measurement strategies are specifically: a list of the radius of the cell in which the mobile terminal is located and the corresponding relationship between the speed state of the mobile terminal and the different frequency and the different system measurement period; based on the requirements of the mobile communication system protocol No. 25913 For example, it includes:
  • the inter-frequency and inter-system measurement strategies are as shown in Figure 1: When the cell radius is less than or equal to 5 km, the measurement period is 40 ms; when the cell radius is greater than 5 km and less than or equal to 30 km, if the mobile If the speed state of the terminal is low speed and medium speed, the measurement period is 80 ms.
  • Step 101 The mobile terminal saves the inter-frequency and inter-system measurement strategy.
  • Step 102 The mobile terminal calculates the cell radius and saves it, and acquires its own speed state.
  • the calculating the cell radius means: according to the third generation partnership project (3GPP, The 3rd Generation Partnership Project), the mobile terminal receives the SIB 1 and extracts the GP from the field dedicated to the GP in the SIB 1 .
  • the speed state of the acquiring itself is: the mobile terminal acquires its own speed state according to the prior art. For example, when the mobile terminal is in an idle state, the mobile terminal determines that it is at a low speed according to the number of cell reselections in a unit time period in real time. State, medium speed state, or high speed state; when the mobile terminal is in the connected state, the base station estimates the speed state of the mobile terminal according to the Doppler effect, and the base station moves through the RRC Connction Reconfiguration information The current speed status of the terminal is sent to the mobile terminal. The information that the base station sends the speed status to the mobile terminal may be sent periodically, or may be sent when it is determined that the speed status of the mobile terminal changes. The specific manner is set by the manufacturer of the base station. .
  • the mobile terminal determines whether to start inter-frequency and inter-system measurement, and specifically determines The breaking method is prior art and is not mentioned here.
  • Step 104 The mobile terminal selects a corresponding measurement period from the inter-frequency and inter-system measurement strategies according to its own speed state and cell radius, and performs inter-frequency and inter-system measurement according to the selected measurement period.
  • the inter-frequency and inter-system measurement are performed according to the selected measurement period, and the specific measurement method is related to the number of receivers of the mobile terminal.
  • the mobile terminal has two types of receivers and multiple receivers: when the mobile terminal is single-received During the machine, the mobile terminal performs periodic inter-frequency and inter-system measurement according to the selected corresponding measurement period; when the mobile terminal is a multi-receiver, the mobile terminal periodically turns on dedicated to perform according to the selected corresponding measurement period. Receiver for inter-frequency and inter-system measurements, inter-frequency and inter-system measurements.
  • Step 105 The mobile terminal determines whether the speed state of the mobile terminal changes. If the change occurs, the process returns to step 104. If no change occurs, step 106 is performed.
  • Step 106 The mobile terminal determines whether it needs to reselect or switch to the new cell, if necessary, returns to step 101; if not, returns to step 105.
  • the present invention provides a mobile terminal, as shown in FIG. 4, including: a measurement decision module 21 and a process control module 22;
  • the measurement decision module 21 is configured to save the inter-frequency and inter-system measurement strategy, and use the cell radius sent by the process control module 22 and the speed state of the mobile terminal, and select a measurement period from the inter-frequency and inter-system measurement strategies, and select The determined measurement period is sent to the process control module 22;
  • the processing control module 22 is configured to send the cell radius and the speed state of the mobile terminal to the measurement decision module 21, and perform the inter-frequency and inter-system measurement according to the measurement period sent by the measurement decision module 21.
  • the measurement decision module 21 is specifically configured to save the protocol in accordance with the mobile communication system No. 25913 The rules are formulated, the inter-frequency and inter-system measurement strategies are written.
  • the mobile terminal further includes: a transceiver module 23, configured to receive the SIB1, and send the SIB1 to the processing control module 22; correspondingly, the processing control module 22 is further used in the SIB1 sent from the transceiver module 23.
  • the GP is specifically used in the field of the GP to extract the GP, and the cell radius is calculated by the GP and saved.
  • the processing control module 22 is further configured to obtain the speed state of the mobile terminal according to the prior art. For example, the processing control module 22 may determine that the mobile terminal is in the idle state, and the cell is reselected according to the unit time period in real time. The number of times to determine whether the mobile terminal is in a low speed state, a medium speed state, or a high speed state;
  • the processing control module 22 determines that the mobile terminal is in the connected state, and obtains the current speed state of the mobile terminal from the information received by the transceiver module 23; correspondingly, the transceiver module 23 is further configured to send to the base station. Information, as well as receiving information from the base station, and providing information to the process control module 22.
  • the processing control module 22 is further configured to determine whether to start inter-frequency and inter-system measurement, and if yes, send the cell radius and the speed status of the mobile terminal to the measurement decision module 21; otherwise, continue to determine whether to start inter-frequency and different System measurement.
  • the processing control module 22 is further configured to: determine whether a speed state of the mobile terminal changes when performing the inter-frequency and inter-system measurement, and if the change occurs, re-send the cell radius and the speed state of the mobile terminal to the measurement decision module 21 If there is no change, it is judged whether it is necessary to reselect or switch to the new cell, if necessary, recalculate the cell radius and save, if not, continue to judge whether the speed state of the mobile terminal changes.
  • the processing control module 22 is further configured to process existing applications common to mobile terminals such as calls and short messages.
  • the mobile terminal can select the different frequency and the different according to the preset policy list of the different frequency and the different system measurement, the speed state of the system, and the cell radius as reference values.
  • the period of system measurement can be applied to mobile communication systems of various standards, such as: Time Division Duplexing Long Term Evolution (TDD LTE) system, Time Division Synchronous Code Division Multiple Access (TD-SCDMA, Time Division-Synchronous) Code Division Multiple Access) system.
  • TDD LTE Time Division Duplexing Long Term Evolution
  • TD-SCDMA Time Division Synchronous Code Division Multiple Access
  • TD-SCDMA Time Division-Synchronous Code Division Multiple Access

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

Abstract

本发明公开了一种异频和异系统测量的方法,包括:保存异频和异系统测量策略;利用小区半径和自身的速度状态,从异频和异系统测量策略中选定测量周期,按照选定的测量周期进行异频和异系统测量。本发明还同时公开了一种移动终端,采用本发明能灵活选定测量周期,降低消耗电量、进而提高移动终端的待机时间。

Description

一种异频和异系统测量的方法及移动终端 技术领域
本发明涉及移动通信技术, 尤其涉及一种异频和异系统测量的方法及 移动终端。 背景技术
移动终端的待机时间是运营商和各厂商关心的问题。 移动终端的待机 时间与很多因素相关, 其中一个因素是为确保移动终端的移动性而进行的 异频和异系统测量。
目前移动终端的异频和异系统测量方法, 具体为: 当移动终端为单接 收机时, 接收到测量指令后, 周期性的检测异频和异系统信号; 当移动终 端为多接收机时, 其中一个接收机会配置为专用于进行异频和异系统测量, 则当多接收机的移动终端接收到测量指令后, 周期性开启该接收机测量异 频和异系统信号。 移动通信系统协议规定测量周期可以有 40ms、 80ms或 160ms三种, 其默认周期由基站下发给移动终端, 具体基站选定的测量周 期由生产厂商指定。
但是, 使用上述方法, 无论移动终端以什么样的速度以及移动终端处 于多大的小区中, 都采用一种指定周期来检测异频和异系统信号, 如此, 会使移动终端在不需要使用较高频率来检测异频和异系统信号时, 增加电 量的不必要的消耗, 比如, 在小区半径非常大的小区, 移动终端可以使用 160ms来进行异频和异系统测量, 但是, 基站仅指定移动终端使用 40ms的 测量周期来测量, 这样会增加移动终端的耗电量。
可见, 目前移动终端进行异频和异系统测量的方法, 无法灵活选定测 量周期, 从而消耗较大的电量, 降低移动终端的待机时间。 发明内容
有鉴于此, 本发明的目的在于提供一种异频和异系统测量的方法及移 动终端, 灵活选定测量周期, 降低消耗电量、 进而提高移动终端的待机时 间。
为达到上述目的, 本发明的技术方案是这样实现的:
本发明提供了一种异频和异系统测量的方法, 该方法包括:
保存异频和异系统测量策略;
利用小区半径和自身的速度状态、 从异频和异系统测量策略中选定测 量周期, 按照选定的测量周期进行异频和异系统测量。
上述方案中, 所述异频和异系统测量策略, 为: 所处小区的半径及自 身的速度状态与异频和异系统测量周期对应关系的列表。
上述方案中, 所述利用小区半径和自身的速度状态、 从异频和异系统 测量策略中选定测量周期之前, 该方法还包括: 计算小区半径并保存, 且 获取自身的速度状态; 判断是否开始进行异频和异系统测量, 如果开始, 则利用小区半径和自身的速度状态、 从异频和异系统测量策略中选定测量 周期; 否则, 继续判断是否开始进行异频和异系统测量。
上述方案中, 所述计算小区半径并保存之前, 该方法还包括: 接收系 统信息块(SIB , System Information Block) 1 ,利用 SIB 1中的保护间隔(GP ) 值计算小区半径并保存。
上述方案中, 所述按照选定的测量周期进行异频和异系统测量之后, 该方法还包括: 判断自身的速度状态是否发生变化, 如果发生变化, 则再 次利用小区半径和自身的速度状态、 从异频和异系统测量策略中选定测量 周期; 如果没有发生变化, 则判断是否需要重选或切换到新小区, 如果需 要, 则重新计算小区半径并保存, 且实时获取自身的速度状态, 如果不需 要, 则继续判断自身的速度状态是否发生变化。 本发明还提供了一种移动终端, 该移动终端包括: 测量判决模块和处 理控制模块; 其中,
测量判决模块, 用于保存异频和异系统测量策略, 以及利用处理控制 模块发来的小区半径和自身的速度状态, 从异频和异系统测量策略中选定 测量周期, 将选定的测量周期发送给处理控制模块;
处理控制模块, 用于向测量判决模块发送小区半径和自身的速度状态, 以及按照测量判决模块发来的测量周期进行异频和异系统测量。
上述方案中, 所述测量判决模块, 具体用于将自身所处小区的半径及 自身的速度状态、 与异频和异系统测量周期组成对应关系列表, 并将该对 应关系列表作为异频和异系统测量策略进行保存。
上述方案中, 所述处理控制模块, 还用于计算小区半径并保存, 且获 取自身的速度状态; 判断是否开始进行异频和异系统测量, 如果开始, 则 向测量判决模块发送小区半径和移动终端的速度状态; 如果不开始, 则继 续判断是否开始进行异频和异系统测量。
上述方案中, 所述移动终端, 还包括: 收发模块, 用于接收 SIB 1 , 将
SIB 1发送给处理控制模块; 相应的, 所述处理控制模块, 还用于利用收发 模块发来的 SIB 1中的 GP值计算小区半径并保存。
上述方案中, 所述处理控制模块, 还用于判断自身的速度状态是否发 生变化, 如果发生变化, 则再次向测量判决模块发送小区半径和自身的速 度状态; 如果没有发生变化, 则判断是否需要重选或切换到新小区, 如果 需要, 则重新计算小区半径并保存, 如果不需要, 则继续判断自身的速度 状态是否发生变化。
本发明所提供的异频和异系统测量的方法及移动终端, 具有以下的优 点和特点: 移动终端可以根据预置的异频和异系统测量的策略列表、 以自 身的速度状态以及小区半径为参考值来调整异频和异系统的测量周期。 对 于单接收机的移动终端, 可以根据实际情况, 来适当的降低异频测量的频 率; 对于多接收机的移动终端来说, 可以根据实际情况, 减少关闭及开启 异频和异系统测量接收机的次数, 如此, 就能够降低消耗电量, 进而提高 移动终端的待机时间。 附图说明
图 1为本发明的一种异频和异系统测量策略示例图;
图 2为本发明的另一种异频和异系统测量策略示例图;
图 3为本发明异频和异系统测量的方法的流程示意图;
图 4为本发明移动终端的结构示意图。 具体实施方式
本发明的基本思想是: 移动终端保存异频和异系统测量策略; 该移动 终端利用小区半径和自身的速度状态, 从异频和异系统测量策略中选定测 量周期, 按照选定的测量周期进行异频和异系统测量。
其中, 所述异频和异系统测量策略为, 根据实际情况, 编写并保存在 移动终端中, 根据移动终端所处小区的半径及自身的速度状态来确定相应 的异频和异系统测量周期, 即异频和异系统测量策略具体为: 移动终端所 处小区的半径及自身的速度状态与异频和异系统测量周期对应关系的列 表; 以移动通信系统的 25913 号协议中的要求为依据而制定为例, 具体包 括:
当移动终端为单接收机时, 异频和异系统测量策略如图 1 所示: 小区 半径小于等于 5公里时, 测量周期为 40 ms; 小区半径大于 5公里且小于等 于 30公里时,如果移动终端的速度状态为低速和中速,则测量周期为 80ms, 如果移动终端的速度状态为高速, 则测量周期为 40ms; 小区半径大于 30 公里且小于等于 100公里时, 测量周期为 80ms; 当移动终端为多接收机时, 异频和异系统测量策略如图 2所示: 小区 半径小于等于 5公里时, 测量周期为 40 ms; 小区半径大于 5公里且小于等 于 30公里时, 测量周期为 80ms; 小区半径大于 30公里且小于等于 100公 里时, 如果速度状态为低速, 则测量周期为 160ms, 如果速度状态为中速 或高速, 则测量周期为 80ms。
下面结合附图及具体实施例对本发明再作进一步详细的说明。
本发明异频和异系统测量的方法如图 3所示, 包括以下步驟: 步驟 101 : 移动终端保存异频和异系统测量策略。
步驟 102: 移动终端计算小区半径并保存, 且获取自身的速度状态。 这里, 所述计算小区半径, 指: 根据第三代合作伙伴计划(3GPP, The 3rd Generation Partnership Project ) 的规定, 移动终端接收 SIB 1 , 从 SIB 1 中的专门用于 GP的字段中提取 GP, 利用 GP计算小区半径; 其中, 所述 s = GPx- 计算指: 利用公式 2计算出小区半径, 其中 S为小区覆盖半径, C为 信号传播速度, 为固定值 3xl08m/ s。
所述获取自身的速度状态为: 移动终端按照已有技术获取自身的速度 状态, 比如, 当移动终端处于空闲状态时, 移动终端实时根据单位时间段 内小区重选的次数来判断自身是处于低速状态、 中速状态、 或高速状态; 当移动终端处于连接状态时, 由基站根据多普勒效应估算出移动终端的速 度状态, 基站通过无线资源控制协议连接重配 ( RRC Connction Reconfiguration )信息将移动终端当前的速度状态发送给移动终端; 其中, 基站向移动终端发送速度状态的信息可以为周期性发送, 也可以为当确定 移动终端的速度状态发生变化时发送, 具体方式由基站的生产厂商设置。
步驟 103: 移动终端判断是否开始进行异频和异系统测量, 如果开始, 则执行步驟 104; 否则, 重复执行步驟 103。
这里, 所述移动终端判断是否开始进行异频和异系统测量, 具体的判 断方法为已有技术, 这里不做赞述。
步驟 104: 移动终端根据自身的速度状态及小区半径,从异频和异系统 测量策略中选定相应测量周期, 按照选定的测量周期进行异频和异系统测 量。
这里, 所述按照选定的测量周期进行异频和异系统测量, 具体的测量 方法与移动终端的接收机数量相关, 移动终端有单接收机和多接收机两种: 当移动终端为单接收机时, 移动终端根据选定相应的测量周期, 进行周期 性的异频和异系统测量; 当移动终端为多接收机时, 移动终端根据选定相 应的测量周期, 周期性的开启专用于进行异频和异系统测量的接收机、 进 行异频和异系统测量。
步驟 105:移动终端判断自身的速度状态是否发生变化,如果发生变化, 则返回步驟 104; 如果没有发生变化, 则执行步驟 106。
步驟 106: 移动终端判断是否需要重选或切换到新小区, 如果需要, 则 返回步驟 101 ; 如果不需要, 则返回步驟 105。
这里, 所述判断是否需要重选或切换到新小区, 具体的判断方法为已 有技术, 这里不做赞述。
本发明提供了一种移动终端, 如图 4所示, 包括: 测量判决模块 21和 处理控制模块 22; 其中,
测量判决模块 21 , 用于保存异频和异系统测量策略, 以及利用处理控 制模块 22发来的小区半径和移动终端的速度状态, 从异频和异系统测量策 略中选定测量周期, 将选定的测量周期发送给处理控制模块 22;
处理控制模块 22,用于向测量判决模块 21发送小区半径和移动终端的 速度状态, 以及根据测量判决模块 21发来的测量周期进行异频和异系统 测量。
测量判决模块 21 , 具体用于保存依照移动通信系统的 25913号协议中 的要求而制定的规则、 编写的异频和异系统测量策略。
所述移动终端还包括: 收发模块 23, 用于接收 SIB 1 , 将 SIB 1发送给 处理控制模块 22; 相应的, 所述处理控制模块 22, 还用于从收发模块 23 发来的 SIB 1中的专门用于 GP的字段中提取 GP,利用 GP计算小区半径并 保存。
所述处理控制模块 22,还用于按照已有技术获取移动终端的速度状态, 比如, 可以为, 所述处理控制模块 22确定移动终端处于空闲状态时, 实时 根据单位时间段内小区重选的次数来判断移动终端是处于低速状态、 中速 状态、 或高速状态;
或者为, 所述处理控制模块 22确定移动终端处于连接状态时, 从收发 模块 23所接收到的信息中获取移动终端当前的速度状态; 相应的, 所述收 发模块 23 , 还用于向基站发送信息、 以及接收基站发来的信息, 以及为处 理控制模块 22提供信息。
所述处理控制模块 22, 还用于判断是否开始进行异频和异系统测量, 如果开始, 则向测量判决模块 21发送小区半径和移动终端的速度状态; 否 则继续判断是否开始进行异频和异系统测量。
所述处理控制模块 22, 还用于在进行异频和异系统测量时, 判断移动 终端的速度状态是否发生变化, 如果发生变化, 则重新向测量判决模块 21 发送小区半径和移动终端的速度状态; 如果没有发生变化, 则判断是否需 要重选或切换到新小区, 如果需要, 则重新计算小区半径并保存, 如果不 需要, 则继续判断移动终端的速度状态是否发生变化。
所述处理控制模块 22, 还用于处理通话、 短信等移动终端通用的已有 应用。
可见, 应用上述的方案, 移动终端可以根据预置的异频和异系统测量 的策略列表、 以自身的速度状态以及小区半径为参考值, 来选定异频和异 系统测量的周期。 另外, 上述方案可应用于多种制式的移动通信系统, 比 如: 时分双工长期演进(TDD LTE, Time Division Duplexing Long Term Evolution ) 系 统 , 时 分 同 步码分 多 址 ( TD-SCDMA , Time Division-Synchronous Code Division Multiple Access ) 系统。
以上所述, 仅为本发明的较佳实施例而已, 并非用于限定本发明的保 护范围。

Claims

权利要求书
1、 一种异频和异系统测量的方法, 其特征在于, 该方法包括: 保存异频和异系统测量策略;
利用小区半径和自身的速度状态, 从异频和异系统测量策略中选定测 量周期, 按照选定的测量周期进行异频和异系统测量。
2、 根据权利要求 1所述的方法, 其特征在于, 所述异频和异系统测量 策略, 为: 所处小区的半径及自身的速度状态与异频和异系统测量周期对 应关系的列表。
3、 根据权利要求 1所述的方法, 其特征在于, 所述利用小区半径和自 身的速度状态, 从异频和异系统测量策略中选定测量周期之前, 该方法还 包括: 计算小区半径并保存, 且获取自身的速度状态; 判断是否开始进行 异频和异系统测量, 如果开始, 则利用小区半径和自身的速度状态、 从异 频和异系统测量策略中选定测量周期; 否则, 继续判断是否开始进行异频 和异系统测量。
4、 根据权利要求 3所述的方法, 其特征在于, 所述计算小区半径并保 存之前, 该方法还包括: 接收系统信息块 SIB 1 , 利用 SIB 1中的保护间隔 GP值计算小区半径并保存。
5、 根据权利要求 1所述的方法, 其特征在于, 所述按照选定的测量周 期进行异频和异系统测量之后, 该方法还包括: 判断自身的速度状态是否 发生变化, 如果发生变化, 则再次利用小区半径和自身的速度状态、 从异 频和异系统测量策略中选定测量周期; 如果没有发生变化, 则判断是否需 要重选或切换到新小区, 如果需要, 则重新计算小区半径并保存, 且实时 获取自身的速度状态, 如果不需要, 则继续判断自身的速度状态是否发生 变化。
6、 一种移动终端, 其特征在于, 该移动终端包括: 测量判决模块和处 理控制模块; 其中,
测量判决模块, 用于保存异频和异系统测量策略, 以及利用处理控制 模块发来的小区半径和自身的速度状态, 从异频和异系统测量策略中选定 测量周期 , 将选定的测量周期发送给处理控制模块;
处理控制模块, 用于向测量判决模块发送小区半径和自身的速度状态, 以及按照测量判决模块发来的测量周期进行异频和异系统测量。
7、 根据权利要求 6所述的移动终端, 其特征在于,
所述测量判决模块, 具体用于将所处小区的半径及自身的速度状态、 与异频和异系统测量周期组成对应关系列表, 并将该对应关系列表作为异 频和异系统测量策略进行保存。
8、 根据权利要求 6所述的移动终端, 其特征在于,
所述处理控制模块, 还用于计算小区半径并保存, 且获取自身的速度 状态; 判断是否开始进行异频和异系统测量, 如果开始, 则向测量判决模 块发送小区半径和自身的速度状态; 如果不开始, 则继续判断是否开始进 行异频和异系统测量。
9、 根据权利要求 6所述的移动终端, 其特征在于, 所述移动终端还包 括: 收发模块, 用于接收 SIB 1 , 将 SIB 1发送给处理控制模块;
相应的, 所述处理控制模块, 还用于利用收发模块发来的 SIB 1 中的 GP值计算小区半径并保存。
10、 根据权利要求 6所述的移动终端, 其特征在于,
所述处理控制模块, 还用于判断自身的速度状态是否发生变化, 如果 发生变化, 则再次向测量判决模块发送小区半径和自身的速度状态; 如果 没有发生变化, 则判断是否需要重选或切换到新小区, 如果需要, 则重新 计算小区半径并保存, 如果不需要, 则继续判断自身的速度状态是否发生 变化。
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