CN102263600B - Method and device for determining movement speed of terminal - Google Patents

Method and device for determining movement speed of terminal Download PDF

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CN102263600B
CN102263600B CN2010101946493A CN201010194649A CN102263600B CN 102263600 B CN102263600 B CN 102263600B CN 2010101946493 A CN2010101946493 A CN 2010101946493A CN 201010194649 A CN201010194649 A CN 201010194649A CN 102263600 B CN102263600 B CN 102263600B
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value
moving speed
lcr
cqi
terminal
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CN102263600A (en
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石蕊
任斌
李全琼
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电信科学技术研究院
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Abstract

本发明公开了一种确定终端移动速度的方法和设备,涉及无线通信领域,用于降低确定终端移动速度的实现复杂度。 The present invention discloses a method for determining the moving speed of the terminal apparatus and the method relates to the field of wireless communications, for reducing the moving speed of the terminal to determine implementation complexity. 本方明中,测量终端与基站间的无线信道的信道质量指示CQI值;确定测量得到的CQI值的电平通过率LCR值;根据预先设定的LCR值与移动速度的对应关系,确定所述LCR值对应的移动速度,将该移动速度确定为所述终端的移动速度。 The side Ming, a wireless channel quality between the measurement terminal and the base station indicating CQI value; determining the level of the pass rate LCR value of the CQI value measured; based on the correspondence LCR value of the moving speed set in advance, determining the LCR value corresponding to the moving speed, the moving speed is determined to be a moving speed of the terminal. 采用本发明,能够有效降低确定终端移动速度的实现复杂度,并几乎不受噪声的影响。 According to the present invention can effectively reduce the moving speed of the terminal to determine the implementation complexity, and is hardly affected by noise.

Description

确定终端移动速度的方法和设备 Determining a moving speed of the terminal apparatus and methods

技术领域 FIELD

[0001] 本发明涉及无线通信领域,尤其涉及一种确定终端移动速度的方法和设备。 [0001] The present invention relates to wireless communications, and in particular relates to a method for determining the moving speed of the terminal apparatus and methods.

背景技术 Background technique

[0002] 在目前的移动通信系统中,移动终端的速度是一个很重要的参数。 [0002] In the current mobile communication system, the speed of the mobile terminal is a very important parameter. 如果基站知晓终端的移动速度,在进行资源管理中可以优化很多的参数,使系统的性能大大提高。 If the base station knows the mobile speed of the terminal, performing the resource management to optimize many parameters, the performance of the system greatly improved. 从第二代(2G)到第三代(3G)、第四代(4G)蜂窝移动通信系统中,移动台的速度得到了越来越广泛的应用,尤其是在以长期演进(LongTerm Evolution, LTE)系统为代表的准4G系统中,移动台的速度是提升系统性能的一个关键参数,移动台的速度可以用于决定调度策略、下行传输模式切换和配置探测参考信号(Sounding Reference Signal, SRS)周期参数等。 From the second generation (2G) to third generation (3G), fourth generation (4G) cellular mobile communication system, a mobile station's velocity has been more widely used, especially in the long-term evolution (LongTerm Evolution, quasi 4G systems LTE) system as represented, mobile station's velocity is a key parameter to improve system performance, the speed of the mobile station may be used to determine the scheduling policy, a downlink transmission mode switching configuration and a sounding reference signal (sounding reference signal, SRS ) cycle parameters.

[0003] 蜂窝移动通信系统中,常见的移动台速度估计算法主要分为三大类:参数估计类算法、非参数估计类算法和辅助估计类算法。 [0003] The cellular mobile communication system, a common mobile station velocity estimation algorithm is mainly divided into three categories: class parameter estimation algorithm, Nonparametric estimation algorithms, and auxiliary class estimation algorithm. 其中,参数估计类算法的思想是基于计算接收信号的某些包含速度信息的参数来计算最大多普勒频移,进而得到移动速度,常见参数包括:电平通过率(Level Crossing Rate, LCR)、过零率(Level Crossing Rate, ZCR)、自相关系数(ACF)、自协方差(COV)等;非参数估计类算法也称为经典谱估计,它通过直接法或者间接法获得信道的经典功率谱,然后估计出最大多普勒频移,进而得到移动速度;辅助估计类算法包括:基于全球定位系统(Global Positioning System, GPS)的附加设备辅助估计算法和基于功控命令字(TPC)、切换(HO)频度的蜂窝网络辅助估计算法。 Wherein thought parameter estimation algorithm is based on calculating certain parameters comprising speed information calculated received maximum Doppler frequency signal, and thus obtains a moving speed of the common parameters comprising: rate by level (Level Crossing Rate, LCR) , zero crossing rate (Level Crossing rate, ZCR), the autocorrelation coefficients (the ACF), the autocovariance (the COV) and the like; Nonparametric estimation based algorithms are also known as classical spectral estimation, it obtains the classical channel by the direct method or indirect method power spectrum and the estimated maximum Doppler frequency, and further obtains a moving velocity; auxiliary Estimator algorithm comprises: an additional auxiliary device based on global positioning system (global positioning system, GPS) and the estimation algorithm based on the power control command word (TPC) , handover (HO) assisted cellular network frequency estimation algorithm.

[0004] 参数估计类算法中比较经典的一种方法是LCR算法和ZCR算法。 [0004] Parameter estimation algorithm based method is more classic algorithm and ZCR LCR algorithm. 其中,LCR算法,通过估计接收信号的包络电平通过率来计算移动台的速度;ZCR算法,通过估计接收信号的同相分量或者正交分量的零通过率来计算移动台的速度。 Wherein, LCR algorithm to calculate the speed of a mobile station by an envelope level of a received signal by estimating rate; ZCR algorithm, with the estimated received signal by the zero-phase component or quadrature component of the mobile station to calculate the velocity. 参数估计类算法中另一种常见的方法是ACF算法。 Class parameter estimation algorithm Another common approach is to ACF algorithm. 该算法是以经典瑞利衰落信道功率谱密度函数为基础,推导出经典瑞利谱对应的自相关函数,然后推导得到速度与自相关系数的关系式,然后将利用信道衰落系数求得的自相关值代入关系式,最后估计出具体的速度值。 The algorithm is based on the classical Rayleigh fading channel power spectral density function is based on, derived Rayleigh spectrum corresponding to the classical autocorrelation function, and the relationship was derived from the speed and the correlation coefficient, and then using the channel fading coefficients obtained from correlation values ​​are substituted into a relational expression, particularly the final estimated speed value.

[0005] 非参数估计类算法以傅立叶变换为基础,分为直接法和间接法。 [0005] Non-based parameter estimation algorithm based on Fourier transform, divided into direct and indirect methods. 直接法计算N个数据的傅立叶变换直接获得信号的频谱;间接法是先计算N个数据的自相关函数,然后计算自相关函数的傅立叶变换获得信号的频谱。 N data calculation method of direct Fourier transform spectrum signals obtained directly; indirect method is to calculate the autocorrelation function of N data, then calculates the Fourier transform of the autocorrelation function obtained spectrum signals. 无论是直接法还是间接法,非参数估计算法都是计算出最大多普勒频率,然后估计出具体的速度值。 Either the direct method or indirect method, the non-parametric estimation algorithms are to calculate the maximum Doppler frequency and the estimated value of specific speed.

[0006] 在实现本发明的过程中,发明人发现现有技术中存在以下技术问题: [0006] During the implementation of the present invention, the inventors found that the following technical problems in the prior art:

[0007] 参数估计类算法中,LCR/ZCR算法受到噪声的影响比较严重,也容易受功率控制的影响,算法的复杂度和精度均不理想;基于ACF的速度估计算法需要假设当前信道衰落服从瑞利分布,从而测量得到具体的速度值,而实际环境中无线信道变化很大,一般很难服从这种分布。 [0007] Parameter estimation based algorithm, the influence LCR / ZCR algorithm by noise more serious, affect the power control is also vulnerable, complexity and accuracy of the algorithm are not ideal; based ACF velocity estimation algorithm needs to assume that the current channel fading obey Rayleigh distribution, so that the particular speed value measured, but the actual radio channel environment greatly changes, subject to such a distribution is generally difficult. 这种方法在实际无线信道中估计得到的速度值很不准确。 This method of estimating the speed values ​​obtained in the actual wireless channel is very accurate.

[0008] 非参数估计类算法要求必须获得等间隔的时域采样点,计算复杂度较高,且测速的范围受限于可用的时域采样间隔。 [0008] Non-based parameter estimation algorithm requires time-domain samples and the like must be spaced points, high computational complexity, and limited speed range intervals in the time-domain samples available. 辅助估计类算法中,基于GPS定位的算法受限于GPS本身的定位精度,系统开销大;基于TPC的蜂窝网络辅助估计算法与当前系统采用的功控策略相关,受限于具体的系统结构。 Auxiliary estimation algorithm based, GPS-based location algorithm is limited by the accuracy of GPS positioning itself, a large overhead; estimation algorithm associated with the current power control system strategy employed, limited to the specific system configuration of a cellular-based network-assisted TPC.

发明内容 SUMMARY

[0009] 本发明实施例提供一种确定终端移动速度的方法和设备,用于降低估计终端移动速度的复杂度。 [0009] The complexity of the embodiment is provided for determining a moving speed of a terminal apparatus according to the present invention and a method for reducing the moving speed of the terminal is estimated.

[0010] 一种确定终端移动速度的方法,该方法包括: Method [0010] A method of determining the moving speed of the terminal, the method comprising:

[0011] 测量终端与基站间的无线信道的信道质量指示CQI值; [0011] a wireless channel quality measurement between the terminal and base station indicating CQI value;

[0012] 确定测量得到的各CQI值的平均值;确定测量得到的CQI值中以正斜率通过该平均值的CQI值的个数;将所述个数确定为所述多个CQI值的电平通过率LCR值; [0012] determining the average of the measured values ​​of the CQI; determining the number of CQI measured value obtained by the positive slope of the average value of the CQI; determining the number of said plurality of electrical CQI value LCR by flat rate value;

[0013] 根据预先设定的LCR值与移动速度的对应关系,确定所述LCR值对应的移动速度,将该移动速度确定为所述终端的移动速度。 [0013] The corresponding relationship between the LCR value preset moving speed, the moving speed is determined corresponding to the LCR value is determined as the moving speed of the moving speed of the terminal.

[0014] 一种通信设备,该设备包括: [0014] A communication device, the apparatus comprising:

[0015] CQI测量单元,用于测量终端与基站间的无线信道的信道质量指示CQI值; [0015] CQI measuring unit for a wireless channel quality measurement between the terminal and base station indicating CQI value;

[0016] LCR确定单元,用于确定测量得到的各CQI值的平均值;确定测量得到的CQI值中以正斜率通过该平均值的CQI值的个数;将所述个数确定为所述多个CQI值的电平通过率LCR 值; [0016] LCR determination means for determining the average of the measured CQI values; determining the number of CQI measured value obtained by a positive slope to the average value of the CQI values; the number is determined as the level by the plurality of CQI values ​​LCR rate value;

[0017] 速度确定单元,用于根据预先设定的LCR值与移动速度的对应关系,确定所述LCR确定单元确定的LCR值对应的移动速度,将该移动速度确定为所述终端的移动速度。 [0017] The speed determination unit, according to a correspondence relationship with the LCR value of the moving speed set in advance, determining the LCR LCR moving speed determining unit determines the corresponding value, is determined as the moving speed of the moving speed of the terminal .

[0018] 本发明实施例提供的方案中,首先测量终端与基站间的无线信道的CQI值,并确定测量得到的CQI值的LCR值,然后根据预先设定的LCR值与移动速度的对应关系,确定该LCR值对应的移动速度,将该移动速度确定为终端的移动速度。 [0018] The solution provided by embodiments of the present invention, the CQI value is first measured radio channel between the terminal and the base station, and determines the value of the LCR measured CQI value and the corresponding relationship according to the moving speed of the LCR value preset determining a moving speed corresponding to the value of the LCR, the moving speed of the moving speed of the terminal is determined. 可见,采用本发明,只需确定系统本身即需要测量的CQI值的LCR值,并根据预先设定的LCR值与移动速度的对应关系即可确定终端的移动速度,实现复杂度大大降低。 Be seen, the present invention, only the value determined CQI value LCR system itself to be measured, and to determine the moving speed of the terminal according to the LCR value correlates a preset moving speed, implementation complexity is greatly reduced.

[0019] 附图说明 [0019] BRIEF DESCRIPTION OF DRAWINGS

[0020] 图1为本发明实施例提供的方法流程示意图; [0020] FIG. 1 is a schematic process flow according to an embodiment of the present invention;

[0021] 图2为本发明实施例提供的设备结构示意图。 [0021] FIG. 2 is a schematic structural diagram of the apparatus embodiment of the present invention.

[0022] 具体实施方式 [0022] DETAILED DESCRIPTION

[0023] 为了降低估计终端移动速度的复杂度,本发明实施例提供一种确定终端移动速度的方法,本方法中,利用信道质量指示(CQI)信息确定终端的移动速 [0023] In order to reduce the complexity of estimating the moving speed of the terminal, the embodiments provide a method for determining a moving speed of a terminal according to the present invention, the present method utilizes a channel quality indication (CQI) information for determining the speed of the mobile terminal,

[0024] 参见图1,本发明实施例提供的确定终端移动速度的方法,具体包括以下步骤: [0024] Referring to Figure 1, a method of determining the moving speed of the terminal according to an embodiment of the present invention, includes the following steps:

[0025] 步骤10:测量终端与基站间的无线信道的CQI值; [0025] Step 10: CQI value measured radio channel between the terminal and the base station;

[0026] 步骤11:确定测量得到的各CQI值的LCR值; [0026] Step 11: determining LCR values ​​of the measured CQI value;

[0027] 步骤12:根据预先设定的LCR值与移动速度的对应关系,确定步骤11中确定的LCR值对应的移动速度,将该移动速度确定为终端的移动速度。 [0027] Step 12: The LCR value correlates a preset movement speed, the moving speed corresponding to the value determined LCR determined in step 11, the moving speed of the moving speed of the terminal is determined.

[0028] 步骤10中,测量终端与基站间的无线信道的CQI值时,可以是在设定时间段内以设定测量周期,测量终端与基站间的无线信道的CQI值。 In [0028] Step 10, when the CQI value measured radio channel between the terminal and the base station, may be a set period to set the measurement cycle, the measurement of the radio channel between the terminal and the CQI value the base station. 为了保证能够测量得到多个CQI值,该设定时间段的长度应该大于设定测量周期。 To ensure that a plurality of CQI values ​​measured, the length should be greater than a set time period to set the measurement cycle.

[0029] 在步骤10-步骤12的执行主体为基站时,测量的CQI值为上行无线信道的CQI值,执行主体为终端时,测量的CQI值为下行无线信道的CQI值。 [0029] In Step 10 steps to the base station, the CQI measured value of the uplink radio channel body 12 performs CQI value, the terminal body is performed, the CQI measured value of the downlink radio channel CQI value. [0030] 步骤11中,确定测量得到的CQI值的LCR值的具体方式可以如下: [0030] Step 11, the LCR value is determined CQI value measured in the following specific ways:

[0031] 首先,确定测量得到的各CQI值的平均值; [0031] First, the average value of the measured CQI values;

[0032] 然后,确定测量得到的各CQI值中以正斜率通过该平均值的CQI值的个数;并将该个数确定为测量得到的CQI值的LCR值。 [0032] Then, each of the determined CQI value measured by the number of positive slope to the average CQI value; and determining the value of the LCR for the measured CQI value of the number.

[0033] 步骤12中,预先设定的LCR值与移动速度的对应关系可以是LCR值与移动速度的对照表或对照曲线,则可以通过查找该对照表或对照曲线,确定步骤11中确定的LCR值对应的移动速度。 In [0033] Step 12, the value previously set corresponding relationship between the LCR may be a moving speed LCR meter with the control curve or control moving speed, it is possible by looking up the table or control curve, the determination in step 11 is determined LCR value corresponding to the moving speed. 该对照表可以是具体的区间对应关系。 The table may be a specific section corresponding relationship. 例如某个LCR值对应移动速度区间[X, Y] km/h ο可以通过仿真确定该对照表或对照曲线。 LCR e.g. a value corresponding to the moving speed range [X, Y] km / h ο table may determine that the control curves or by simulation.

[0034] 步骤12中,预先设定的LCR值与移动速度的对应关系还可以是移动速度与LCR值的函数关系式,则可以将步骤11中确定的LCR值代入该函数关系式,计算得到该LCR值对应的移动速度。 In [0034] Step 12, a predetermined LCR value of the correspondence between the moving speed may also be a function of the mobile speed LCR value, then step 11 determines the LCR values ​​are substituted may be into the function formula, the calculated LCR moving speed of the corresponding value. 具体可以按照如下步骤确定该函数关系式: The particular functional relationship may be determined according to the following steps:

[0035] 对于设置的多个移动速度中的各移动速度,测量终端在该移动速度下与基站间的无线信道的CQI值,确定测量得到的CQI值的LCR值; [0035] For each of the plurality of moving speed of the moving speed in the set, measuring the moving speed of the terminal in the wireless channel between the base station the CQI value, determining the value of LCR measured CQI value;

[0036] 将确定的各LCR值和各移动速度进行公式拟合,得到移动速度与LCR值的函数关系式。 [0036] each of the determined values ​​and the LCR moving speed of each equation fitting function formula to obtain the moving speed of the LCR value. 该公式拟合可以是一次线性公式拟合、二次公式拟合等。 The formula may be a linear equation fitting the fitting, quadratic equation fitting the like.

[0037] 下面对本发明进行具体说明: [0037] The present invention will be described in detail:

[0038] 本专利的核心思想是利用CQI信息进行测速,移动终端的移动速度越高,信道变化越快,终端所受的时间选择性衰落越严重,而这种变化,反映在CQI上,也会出现终端的移动速度越高,CQI的变化越快。 [0038] The core idea of ​​the present patent is to measure the speed of the CQI information, the higher the moving speed of the mobile terminal, the channel changes faster terminal suffered more serious time selective fading, and this change is reflected in the CQI, also the higher the moving speed of the terminal will be, the faster the change in the CQI. 利用这种关系,可以对测量到的CQI进行处理,得到移动终端的速度信息。 With this relationship, it can be processed for the measurement of the CQI, to obtain the speed information of the mobile terminal.

`[0039] 在无线通信系统中,通常需要测量C`QI以评估当前系统的质量。 `[0039] In wireless communication systems, typically require C`QI measured to assess the quality of the current system. 通常,CQI越高,信道所能传输的容量越高,并且CQI的信息可以周期获取。 Typically, the higher the CQI, the higher capacity channel can be transmitted, and the CQI information may be periodically acquired. 通过对CQI信息的处理获取终端的移动速度,具体如下: By acquiring CQI information processing terminals moving speed, as follows:

[0040] 本方案将CQI信息和LCR的方式进行结合,和传统的LCR所不同的是,这里的电平是指的CQI的平均值。 [0040] The embodiment according to the present embodiment of the CQI information and LCR are combined, and the conventional LCR except that, where the level refers to an average value of CQI. 主要可以分为以下几个步骤: It can be divided into the following steps:

[0041] 步骤1:周期测量一段时间内一定数量的终端与基站间的无线信道的CQI值; [0041] Step 1: Periodic CQI value measuring radio channel between the terminal and the base station within a certain amount of time;

[0042] 步骤2:计算一段时间内测量得到的CQI值的平均值,计算该段时间内CQI值以正斜率通过其平均值的次数,即CQI的LCR值,CQI值的平均值计算公式如下; [0042] Step 2: calculating an average CQI values ​​measured over time, the number of CQI values ​​within the period of time in which the positive slope by calculating an average value, i.e., the average value calculated LCR value of the CQI, CQI value as follows ;

Figure CN102263600BD00051

[0044] 步骤3:根据步骤2得到的LCR值,确定终端的移动速度,其方案可以采用如下两种: [0044] Step 3: The LCR value obtained in step 2, to determine the moving speed of the terminal, which may employ the following two:

[0045] 方案一:通过仿真确定不同的LCR值和终端的移动速度关系,形成一个LCR和终端移动速度的对照表或者对照曲线,在实现中通过查表或者查曲线即可获取终端的移动速度。 [0045] Scheme I: simulated moving speed is determined by the relationship between different values ​​LCR and a terminal, or control curves forming table LCR and a terminal movement speed, or look-up table in the implementation can check a graph acquired moving speed of the terminal . 该表可以是具体的区间对应关系。 The table may be a specific section corresponding relationship. 例如某个LCR值对应终端移动速度[X,Y]km/h。 LCR e.g. a value corresponding to the moving speed of the terminal [X, Y] km / h.

[0046] 方案二:设置不同的移动速度,对于设置的各移动速度,测量终端在该移动速度下与基站间的无线信道的CQI值,确定测量得到的CQI值的LCR值;将确定的各LCR值和各移动速度进行公式拟合,得到移动速度与LCR值的函数关系式;将步骤2中计算得到的LCR值带入该函数关系式,从而计算出相应的终端移动速度。 [0046] Scheme II: set different moving speed, the moving speed for each setting, at the mobile terminal measuring the speed of the radio channel between the base station the CQI value, determining the value of LCR measured CQI value; each of the determined LCR values ​​and moving speed of each equation fitting function formula to obtain the moving speed of the LCR value; the LCR value obtained in step 2 is calculated into the functional relationship, to calculate the moving speed of the corresponding terminal. [0047] 在不同的系统中,CQI值的测量方法会不同,以LTE系统为例,CQI的测量包含以下两步: [0047] In a different system, the CQI value measurement method will be different, the LTE system as an example, the CQI measurement comprising the following two steps:

[0048] 步骤1:计算每个子载波的信噪比,该信噪比通过计算每个子载波的信号功率和噪声功率获得; [0048] Step 1: calculate the SNR for each subcarrier, the signal to noise ratio is obtained by calculating the signal power and noise power of each subcarrier;

[0049] [0049]

Figure CN102263600BD00061

[0050] 其中Y k是OFDM符号的第k个子载波的信噪比;Hk是第k个子载波的信道冲激响应,σ„2是噪声功率; [0050] wherein Y k is the k th subcarrier of an OFDM symbol SNR; Hk is the k-th subcarrier channel impulse response, σ "2 is the noise power;

[0051] 步骤2:将对应带宽的所有子载波的信噪比映射为一个CQI值;映射方法有很多种,以EESM映射方法为例: [0051] Step 2: corresponding to the bandwidth SNR for all subcarriers mapped to a CQI value; There are many mapping method to the mapping method EESM Example:

[0052] [0052]

Figure CN102263600BD00062

[0053] 其中,β是一个参数,它从每一种链路模式(调制和编码模式)的链路级仿真结果中估计出来,Nu是用于计算的子载波个数,CQIn是第η个周期测得的信道质量信息。 [0053] wherein, beta] is a parameter that is estimated from each of the link mode (modulation and coding mode) of a link level simulation results, Nu is the number of subcarriers used for the calculation, CQIn a first η period measured channel quality information.

[0054] 在上述过程中,CQI的测量周期和测量时间会直接影响移动终端速度测量的精度和范围,CQI的测量周期越小,测量的时间越长,精度越高,同时该方案也避免了传统的LCR及其改进方案中受噪声影响的缺点。 [0054] In the above process, the CQI measurement period and measurement time will directly affect the measurement accuracy and range of a mobile terminal speed, the smaller the CQI measurement period, the measurement time is longer, the higher the precision, but this solution also avoids LCR conventional disadvantages and improving embodiment affected by noise.

[0055] 参见图2,本发明实施例还提供一种通信设备,该设备包括: [0055] Referring to Figure 2, an embodiment of the present invention further provides a communication device, the apparatus comprising:

[0056] CQI测量单元20,用于测量终端与基站间的无线信道的信道质量指示CQI值; [0056] CQI measuring unit 20, the radio channel for measuring the channel quality between the terminal and base station indicating CQI value;

[0057] LCR确定单元21,用于确定所述CQI测量单元测量得到的CQI值的电平通过率LCR 值; [0057] LCR determination unit 21 for determining the level of the CQI value measured by the CQI measurement unit by LCR rate value;

[0058] 速度确定单元22,用于根据预先设定的LCR值与移动速度的对应关系,确定所述LCR确定单元确定的LCR值对应的移动速度,将该移动速度确定为所述终端的移动速度。 [0058] The speed determination unit 22, according to a correspondence relationship between the value of the moving speed of the LCR set in advance, and determining the moving velocity LCR LCR determining unit corresponding to the value determined, the moving speed of movement determined for the terminal speed.

[0059] 所述CQI测量单元20用于: [0059] The CQI measurement unit 20 is configured to:

[0060] 在设定时间段内以设定测量周期,测量终端与基站间的无线信道的CQI值。 [0060] In the set period to set the measurement cycle, the measurement of the radio channel between the terminal and the CQI value the base station.

[0061] 所述LCR确定单元21用于: [0061] The determination unit 21 for LCR:

[0062] 确定测量得到的CQI值的平均值; [0062] determine the average CQI value measured;

[0063] 确定测量得到的CQI值中以正斜率通过该平均值的CQI值的个数; [0063] determining a CQI value measured by the number of positive slope to the average CQI value;

[0064] 将所述个数确定为所述多个CQI值的LCR值。 [0064] is determined as the number of the plurality of values ​​LCR CQI value.

[0065] 所述速度确定单元22用于: [0065] The speed determination unit 22 is configured to:

[0066] 在所述对应关系为LCR值与移动速度的对照表或对照曲线时,通过查找所述对照表或对照曲线,确定所述LCR值对应的移动速度。 [0066] When the correspondence table to the LCR value or the moving speed of the control curves, the lookup table or through a control curve, determining a moving speed corresponding to the value of the LCR.

[0067] 所述速度确定单元22用于: [0067] The speed determination unit 22 is configured to:

[0068] 在所述对应关系为移动速度与LCR值的函数关系式时,将所述LCR值代入所述函数关系式,计算得到该LCR值对应的移动速度。 [0068] When the function formula correspondence relationship with the moving speed of the LCR value, the LCR values ​​are substituted into the function formula, the calculated moving speed of the value corresponding to the LCR.

[0069] 该通信设备还包括: [0069] The communication device further comprises:

[0070] 第一关系确定单元23,用于通过仿真确定所述对照表或对照曲线。 [0070] The first determination unit 23 the relationship, determined by simulation for the control curves or table.

[0071] 该通信设备还包括: [0071] The communication device further comprises:

[0072] 第二关系确定单元24,用于对于设置的多个移动速度中的各移动速度,测量终端在该移动速度下与基站间的无线信道的CQI值,确定测量得到的CQI值的LCR值; [0072] The second relationship determining unit 24 for moving a plurality of moving speed for each speed setting of the measured speed of the mobile terminal in the radio channel between the base station the CQI value, determining the value of the LCR measured CQI value;

[0073] 将确定的各LCR值和所述各移动速度进行公式拟合,得到移动速度与LCR值的函数关系式。 [0073] Each value of LCR determined and the fitted equation for each of the moving speed, the moving speed obtained with the function formula LCR value.

[0074] 该通信设备为基站或终端。 [0074] The communication device is a base station or terminal.

[0075] 综上,本发明的有益效果包括: [0075] In summary, the benefits of the present invention comprises:

[0076] 本发明实施例提供的方案中,首先测量终端与基站间的无线信道的CQI值,并确定测量得到的CQI值的LCR值,然后根据预先设定的LCR值与移动速度的对应关系,确定该LCR值对应的移动速度,将该移动速度确定为终端的移动速度。 [0076] The solution provided by embodiments of the present invention, the CQI value is first measured radio channel between the terminal and the base station, and determines the value of the LCR measured CQI value and the corresponding relationship according to the moving speed of the LCR value preset determining a moving speed corresponding to the value of the LCR, the moving speed of the moving speed of the terminal is determined. 可见,采用本发明,只需确定系统本身即需要测量的CQI值的LCR值,并根据预先设定的LCR值与移动速度的对应关系即可确定终端的移动速度,实现复杂度大大降低。 Be seen, the present invention, only the value determined CQI value LCR system itself to be measured, and to determine the moving speed of the terminal according to the LCR value correlates a preset moving speed, implementation complexity is greatly reduced.

[0077] 本发明计算复杂度低,系统本身需要测量CQI值,以获得当前的信道质量信息,利用CQI信息进行测速,增加的计算量是电平通过率LCR产生的,后续处理中查表,查曲线或者利用公式计算终端移动速度,计算量都有限,并且速度测量的精度和范围都有保证。 [0077] The present invention has low computational complexity, the system itself needs to measure CQI value to obtain a current channel quality information, the CQI information to measure the speed, increase the calculation amount is a level pass rate LCR generated, the subsequent processing look-up table, search curve or a moving speed of the terminal is calculated using the formula, the calculation amount are limited, and the precision and range rate measurements are guaranteed.

[0078] 本发明几乎不受噪声影响,由于CQI本身就是信噪比,已经把噪声的因素考虑进去了,所以几乎不受噪声的影响; [0078] The present invention is hardly affected by noise, since the signal to noise ratio CQI itself, has the noise factors into consideration, it is hardly affected by noise;

[0079] 本发明可应用于多种无线通信系统,例如,HSPA和LTE系统。 [0079] The present invention is applicable to various wireless communication systems, e.g., HSPA and LTE systems.

[0080] 本发明可以应用在多种无线环境中,例如可以通过对不同的场景配置不同的对照表或者对照曲线,来适应不同的应用场景,如果采用公式的方法,可以配置不同的参数来适应不同的场景。 [0080] The present invention can be applied in a variety of wireless environments, for example, by configuring different table or control curves for different scenarios, to accommodate different application scenarios, if a method using the equation can be configured to adapt to different parameters different scenarios.

[0081] 本领域内的技术人员应明白,本发明的实施例可提供为方法、系统、或计算机程序产品。 [0081] skilled in the art should understand that the embodiments of the present invention may provide a method, system, or computer program product. 因此,本发明可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。 Thus, embodiments of the present invention may be employed entirely hardware embodiment, an entirely software embodiment, or an embodiment in conjunction with the form of software and hardware aspects. 而且,本发明可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。 Further, the present invention may take the form of a computer program product embodied in one or more of which comprises a computer usable storage medium having computer-usable program code (including but not limited to, disk storage, CD-ROM, optical memory, etc.).

[0082] 本发明是参照根据本发明实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。 [0082] The present invention has been described in accordance with the method of Example of the present invention, apparatus (systems) and computer program products flowchart and / or block diagrams described. 应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。 It should be understood and implemented by computer program instructions and block, and the flowchart / or block diagrams each process and / or flowchart illustrations and / or block diagrams of processes and / or blocks. 可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。 These computer program instructions may be provided to a processor a general purpose computer, special purpose computer, embedded processor or other programmable data processing apparatus to produce a machine, such that the instructions executed by the processor of the computer or other programmable data processing apparatus generating in a device for implementing the flow chart or more flows and / or block diagram block or blocks in a specified functions.

[0083] 这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中,使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。 [0083] These computer program instructions may also be stored in a computer can direct a computer or other programmable data processing apparatus to function in a particular manner readable memory produce an article of manufacture such that the storage instruction means comprises a memory in the computer-readable instructions the instruction means implemented in a flowchart or more flows and / or block diagram block or blocks in a specified function.

[0084] 这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上,使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理,从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。 [0084] These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps on the computer or other programmable apparatus to produce a computer implemented so that the computer or other programmable apparatus execute instructions to provide processes for implementing a process or flows and / or block diagram block or blocks a function specified step. [0085] 尽管已描述了本发明的优选实施例,但本领域内的技术人员一旦得知了基本创造性概念,则可对这些实施例作出另外的变更和修改。 [0085] While the present invention has been described with preferred embodiments, but those skilled in the art from the underlying inventive concept can make other modifications and variations to these embodiments. 所以,所附权利要求意欲解释为包括优选实施例以及落入本发明范围的所有变更和修改。 Therefore, the appended claims are intended to explain embodiments including the preferred embodiment as fall within the scope of the invention and all changes and modifications.

[0086] 显然,本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。 [0086] Obviously, those skilled in the art can make various modifications and variations to the invention without departing from the spirit and scope of the invention. 这样,倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内,则本发明也意图包含这些改动和变型在内。 Thus, if these modifications and variations of the present invention fall within the claims of the invention and the scope of equivalents thereof, the present invention intends to include these modifications and variations.

Claims (11)

1.一种确定终端移动速度的方法,其特征在于,该方法包括: 测量终端与基站间的无线信道的信道质量指示CQI值; 确定测量得到的各CQI值的平均值;确定测量得到的CQI值中以正斜率通过该平均值的CQI值的个数;将所述个数确定为所述多个CQI值的电平通过率LCR值; 根据预先设定的LCR值与移动速度的对应关系,确定所述LCR值对应的移动速度,将该移动速度确定为所述终端的移动速度。 A method for determining a moving speed of the terminal, characterized in that, the method comprising: measuring quality of a wireless channel between the terminal and the base station indicating CQI value; determining the average of the measured CQI values; determining CQI measurement obtained value by the number of positive slope to the average CQI value; LCR value corresponding relationship according to the moving speed preset; the number is a level determined by the values ​​of the plurality of LCR CQI value determining a value corresponding to the moving speed of the LCR determines the moving speed of the moving speed of the terminal.
2.如权利要求1所述的方法,其特征在于,所述测量终端与基站间的无线信道的CQI值包括: 在设定时间段内以设定测量周期,测量终端与基站间的无线信道的CQI值。 Measuring a radio channel between a terminal and a base station in a set period to set the measurement cycle: 2. A method as claimed in claim 1, wherein said CQI values ​​measured radio channel between the terminal and the base station comprises CQI values.
3.如权利要求1或2所述的方法,其特征在于,所述对应关系为LCR值与移动速度的对照表或对照曲线,所述根据预先设定的LCR值与移动速度的对应关系,确定所述LCR值对应的移动速度包括: 通过查找所述对照表或对照曲线,确定所述LCR值对应的移动速度。 3. The method of claim 1 or claim 2, wherein the correspondence table for the LCR value or the moving speed of the control curve, according to the corresponding relationship between the moving speed of the LCR value set in advance, determining a moving speed corresponding to the value of the LCR comprises: a lookup table or through a control curve, determining a moving speed corresponding to the value of the LCR.
4.如权利要求1或2所述的方法,其特征在于,所述对应关系为移动速度与LCR值的函数关系式,所述根据预先设定的LCR值与移动速度的对应关系,确定所述LCR值对应的移动速度包括: 将所述LCR值代入所述函数关系式,计算得到该LCR值对应的移动速度。 4. The method of claim 1 or claim 2, wherein said corresponding function formula of the relationship with a moving speed LCR value, according to the LCR value correspondence between the moving speed of the preset determining LCR said moving speed corresponding to the value comprises: substituting the value of the LCR function formula, the calculated moving speed of the value corresponding to the LCR.
5.如权利要求3所述的方法,其特征在于,通过仿真确定所述对照表或对照曲线。 5. The method according to claim 3, wherein said table determined by simulation or control curves.
6.如权利要求4所述的方法,其特征在于,按照如下步骤确定所述函数关系式: 对于设置的多个移动速度中的各移动速度,测量终端在该移动速度下与基站间的无线信道的CQI值,确定测量得到的CQI值的LCR值; 将确定的各LCR值和所述各移动速度进行公式拟合,得到移动速度与LCR值的函数关系式。 6. The method according to claim 4, wherein the functional relationship is determined according to the following steps of: for each of a plurality of moving speed of the moving speed settings, measured between the terminal and the radio base station at a moving speed of the channel CQI value, determining the value of LCR measured CQI value; each LCR values ​​determined and the fitted equation for each of the moving speed, the moving speed obtained with the function formula LCR value.
7.一种通信设备,其特征在于,该设备包括: CQI测量单元,用于测量终端与基站间的无线信道的信道质量指示CQI值; LCR确定单元,用于确定测量得到的各CQI值的平均值;确定测量得到的CQI值中以正斜率通过该平均值的CQI值的个数;将所述个数确定为所述多个CQI值的电平通过率LCR值; 速度确定单元,用于根据预先设定的LCR值与移动速度的对应关系,确定所述LCR确定单元确定的LCR值对应的移动速度,将该移动速度确定为所述终端的移动速度。 A communication apparatus, wherein, the apparatus comprising: CQI measurement unit for measuring a CQI value indicating the terminal and the channel quality of a wireless channel between the base station; the LCR determining unit for determining each of the CQI values ​​measured average value; determining the number of measured CQI value obtained by a positive slope to the average value of the CQI values; the number is a level determined by the values ​​of the plurality of LCR CQI value; speed determination unit for according to the LCR value correlates to a predetermined moving speed, the moving speed determining the LCR LCR determining unit corresponding to the value determined by determining the moving speed of the moving speed of the terminal.
8.如权利要求7所述的通信设备,其特征在于,所述CQI测量单元用于: 在设定时间段内以设定测量周期,测量终端与基站间的无线信道的CQI值。 8. The communication apparatus according to claim 7, wherein the CQI measurement unit is configured to: set period to set the measurement cycle, the measurement of the radio channel between the terminal and the CQI value the base station.
9.如权利要求7或8所述的通信设备,其特征在于,所述速度确定单元用于: 在所述对应关系为LCR值与移动速度的对照表或对照曲线时,通过查找所述对照表或对照曲线,确定所述LCR值对应的移动速度。 9. The communication apparatus of claim 7 or claim 8, wherein the speed determination unit configured to: when the correspondence relation table for the LCR value or the moving speed of the control curves, by looking up the control a control table or curve to determine a moving speed corresponding to the value of the LCR.
10.如权利要求7或8所述的通信设备,其特征在于,所述速度确定单元用于: 在所述对应关系为移动速度与LCR值的函数关系式时,将所述LCR值代入所述函数关系式,计算得到该LCR值对应的移动速度。 10. The communication apparatus of claim 7 or claim 8, wherein the speed determination unit configured to: when the function formula correspondence relationship with the moving speed of the LCR value, the value is substituted into the LCR said function formula, the calculated moving speed of the value corresponding to the LCR.
11.如权利要求7所述的通信设备,其特征在于,该通信设备为基站或终端。 11. The communication apparatus according to claim 7, wherein the communication device is a base station or terminal.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1494340A (en) 2002-10-28 2004-05-05 华为技术有限公司 Mobile station having environmental data collection function and its environmental data collecting method
CN1642334A (en) 2004-01-17 2005-07-20 华为技术有限公司 Method for estimating moving speed of mobile station
CN101127747A (en) 2006-08-14 2008-02-20 大唐移动通信设备有限公司 A method and system for frequency domain scheduling in time division duplex multiplexing system
WO2010017628A1 (en) 2008-08-12 2010-02-18 Nortel Networks Limited Apparatus and method for enabling downlink transparent relay in a wireless communications network

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1494340A (en) 2002-10-28 2004-05-05 华为技术有限公司 Mobile station having environmental data collection function and its environmental data collecting method
CN1642334A (en) 2004-01-17 2005-07-20 华为技术有限公司 Method for estimating moving speed of mobile station
CN101127747A (en) 2006-08-14 2008-02-20 大唐移动通信设备有限公司 A method and system for frequency domain scheduling in time division duplex multiplexing system
WO2010017628A1 (en) 2008-08-12 2010-02-18 Nortel Networks Limited Apparatus and method for enabling downlink transparent relay in a wireless communications network

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