WO2012119444A1 - 一种多射频拉远单元共小区的资源分配方法及装置 - Google Patents

一种多射频拉远单元共小区的资源分配方法及装置 Download PDF

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Publication number
WO2012119444A1
WO2012119444A1 PCT/CN2011/079843 CN2011079843W WO2012119444A1 WO 2012119444 A1 WO2012119444 A1 WO 2012119444A1 CN 2011079843 W CN2011079843 W CN 2011079843W WO 2012119444 A1 WO2012119444 A1 WO 2012119444A1
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WO
WIPO (PCT)
Prior art keywords
remote unit
radio remote
reference signal
user equipment
working
Prior art date
Application number
PCT/CN2011/079843
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English (en)
French (fr)
Inventor
周鹏斌
李伟
何龙科
王定伟
Original Assignee
华为技术有限公司
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.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201180001806.7A priority Critical patent/CN102388645B/zh
Priority to PCT/CN2011/079843 priority patent/WO2012119444A1/zh
Priority to JP2014530071A priority patent/JP6069325B2/ja
Priority to EP11860243.2A priority patent/EP2757844B1/en
Publication of WO2012119444A1 publication Critical patent/WO2012119444A1/zh
Priority to US13/717,083 priority patent/US8761791B2/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements
    • H04W36/0094—Definition of hand-off measurement parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/085—Access point devices with remote components

Definitions

  • the present invention relates to the field of communications, and in particular, to a resource allocation method and apparatus for a multi-radio remote unit common cell.
  • each RRU transmits the same PDSCH/PDCCH (physical downlink shared channel, physical downlink control channel) signal; for the uplink channel, each RRU is combined.
  • PDSCH/PDCCH physical downlink shared channel, physical downlink control channel
  • PUCCH/PUSCH physical uplink control channel
  • Embodiments of the present invention provide a resource allocation method and apparatus for a multi-radio remote unit common cell to solve the problem of channel resource waste in resource allocation of a multi-radio remote unit.
  • an embodiment of the present invention provides a resource allocation method for a multi-radio remote unit common cell, including:
  • the user equipment in the measurement cell is measured at each radio frequency
  • the test value of the reference signal under the far unit; the radio remote unit with the highest test value is selected as the working radio remote unit of the user equipment.
  • an embodiment of the present invention provides a resource allocation apparatus for a multi-radio remote unit common cell, including:
  • a reference signal measuring unit configured to measure a test value of a reference signal of the user equipment in the cell under each radio remote unit
  • a selecting unit configured to select a radio remote unit with the highest test value measured by the reference signal measuring unit as the user equipment The working radio remote unit.
  • a resource allocation method and device for a multi-radio remote unit common cell according to an embodiment of the present invention, according to a common cell of a multi-radio remote unit, according to a reference signal of a user equipment in a cell under each radio remote unit
  • the test value is that the user equipment selects the corresponding working radio remote unit, which solves the problem of channel resource waste in the resource allocation of the multi-radio remote unit.
  • FIG. 1 is a flowchart of a resource allocation method for a multi-radio remote unit common cell according to Embodiment 1 of the present invention
  • FIG. 2 is a flowchart of a resource allocation method for a multi-radio remote unit common cell according to Embodiment 2 of the present invention
  • Embodiment 3 is a resource allocation bitmap of a multi-radio remote unit common cell according to Embodiment 2 of the present invention.
  • FIG. 5 is a block diagram of a resource allocation apparatus for a multi-radio remote unit common cell according to Embodiment 3 of the present invention
  • FIG. 6 is a block diagram of another resource allocation apparatus for a multi-radio remote unit common cell according to Embodiment 3 of the present invention.
  • a resource allocation method for a multi-radio remote unit common cell as shown in FIG. 1, the steps include:
  • test value of the reference signal mentioned in step S102 may be any one of the following: reference signal received power (RSRP, reference signal receiving power); or signal to interference plus noise ratio of the sounding reference signal (SRS SINR, sounding reference signal; signal to interference plus noise ratio); or demodulation reference signal signal to interference plus noise ratio (DMRS SINR).
  • RSRP reference signal received power
  • SRS SINR signal to interference plus noise ratio of the sounding reference signal
  • DMRS SINR demodulation reference signal signal to interference plus noise ratio
  • the base station is used to measure the test value of the reference signal of the user equipment in the cell under each radio remote unit.
  • the base station herein may be a base station of any of the following scenarios: GSM ( Global system for mobile communications, UMTS (universal mobile telecommunications system), WIMAX (Worldwide Interoperability for Microwave Access), and other wireless systems The scene of the community.
  • GSM Global system for mobile communications
  • UMTS universal mobile telecommunications system
  • WIMAX Worldwide Interoperability for Microwave Access
  • the base station since the base station selects the corresponding working radio remote unit for the user equipment, the user equipment only performs channel resource allocation on the corresponding working radio remote unit.
  • the resource allocation method of the multi-radio remote unit common cell can be based on the test value of the reference signal of the user equipment in each radio remote unit in the cell under the condition of the multi-radio remote unit common cell
  • the corresponding working radio remote unit is selected for the user equipment, which reduces the waste of channel resources in the resource allocation of the multi-radio remote unit.
  • a resource allocation method for a multi-radio remote unit common cell as shown in FIG. 2, the steps include:
  • the base station measures a test value of the reference signal of the user equipment in the cell under each radio remote unit.
  • the base station selects a radio remote unit that has the highest test value of the reference signal as a working radio remote unit of the user equipment.
  • the base station may only select a unique working radio remote unit for the user equipment, and the user equipment may be referred to as an RRU center.
  • the base station selects multiple working radio remote units for the user equipment at the same time.
  • the user equipment may be called an RRU edge user, which also ensures communication quality.
  • the test value of the reference signal mentioned in steps S202 and S203 may be any one of the following: reference signal received power (RSRP); or, signal to interference plus noise ratio of the sounding reference signal (SRS SINR) , the sounding reference signal signal to the interference plus noise ratio ); or, the demodulation reference signal signal to interference plus noise ratio (DMRS SINR), where the user equipment is compared in step S203
  • RSRP reference signal received power
  • SRS SINR signal to interference plus noise ratio of the sounding reference signal
  • DMRS SINR demodulation reference signal signal to interference plus noise ratio
  • the working time of the radio remote unit is timed, so that when the working time reaches the preset time value, the base station reselects the working radio remote unit for the user equipment.
  • each small cell in the figure represents an RB (resource block). It can be understood that each cell in the figure can also represent several RBs.
  • 1 represents channel resources allocated to user equipment 1
  • 2 represents channel resources allocated to user equipment 2
  • 0 represents unallocated channel resources.
  • FIG. 3 is a resource allocation bitmap of a multi-radio remote unit common cell according to an embodiment of the present invention
  • FIG. 4 is a resource allocation bitmap of a multi-radio remote unit common cell provided by the prior art.
  • the base station detects that the test value of the reference signal of the user equipment 1 under the RRU0 is the highest, the RRU0 is selected as the working RRU of the user equipment 1; if the base station detects the reference of the user equipment 1 under the other two RRUs (RRU 1, RRU2) If the difference between the test value of the signal and the test value of the reference signal under RRU0 is greater than the preset comparison value, the base station selects only RRU0 as the working RRU of user equipment 1. In this case, it is assumed that the user equipment 1 only occupies the channel resources of the three RBs as shown in FIG. 3, and the prior art is as shown in FIG. 4.
  • the user equipment 1 occupies all RRUs (RRU0, RRU l, RRU2) in the cell to perform signal transmission and reception. In this case, the user equipment 1 occupies a total of nine RB channel resources in the three RRUs.
  • the solution of the embodiment of the invention saves channel resources.
  • the base station selects the radio remote unit RRU 1 with the highest test value of the reference signal as the working RRU of the user equipment 2, and the base station measures the test value of the reference signal of the user equipment 2 under the other two RRUs, and finds the reference signal under the RRU2.
  • the difference between the test value and the test value of the reference signal of the RRU 1 is less than the preset comparison value, then the RRU2 is also set to the working RRU of the user equipment 2, and the base station selects the RRU 1 and the RRU 2 as the working RRU of the user equipment 2 only.
  • the user equipment 1 occupies all RRUs (RRU0, RRU l, RRU2) in the cell to perform signal transmission and reception.
  • the user equipment 1 occupies a total of six RBs of channel resources in the three RRUs. Therefore, the solution of the embodiment of the present invention saves channel resources. It can be understood that the number of RBs in the foregoing embodiment may be hypothetical data, and the number of RBs occupied in the real scenario is determined according to actual conditions, and the present invention does not limit this.
  • the test value of the reference signal mentioned in the above embodiment may be any one of the following: reference signal received power (RSRP); or signal to interference plus noise ratio of the sounding reference signal (SRS SINR , sounding reference Signal signal to interference plus noise ratio ); or demodulation reference signal signal to interference plus noise ratio (DMRS SINR).
  • RSRP reference signal received power
  • SRS SINR signal to interference plus noise ratio of the sounding reference signal
  • DMRS SINR demodulation reference signal signal to interference plus noise ratio
  • the resource allocation method of the multi-radio remote unit in the multi-radio remote unit can be tested according to the reference signal of the user equipment in the radio remote unit according to the user equipment in the cell under the condition of the multi-radio remote unit common cell.
  • the value of the working radio remote unit is selected by the user equipment, which reduces the waste of channel resources in the resource allocation of the common cell of the multi-radio remote unit.
  • the user equipment is a mobile device, the working time of the radio remote unit is increased, which is more advantageous for the user equipment to move to a different location and replace the working radio remote unit in time to improve the communication quality.
  • Example 3
  • a resource allocation device for a multi-radio remote unit common cell according to an embodiment of the present invention, as shown in FIG. 5, the device includes a reference signal measuring unit 5 1 and a selecting unit 52.
  • the reference signal measuring unit 5 1 is used for measuring the test value of the reference signal of the user equipment in the cell under each radio remote unit.
  • the selecting unit 52 is configured to select the radio remote unit that has the highest test value measured by the reference signal measuring unit as the working radio remote unit of the user equipment.
  • the resource allocation device of the multi-radio remote unit in the multi-radio remote unit can be used according to the test value of the reference signal of the user equipment in each radio remote unit in the cell under the condition of the multi-radio remote unit common cell
  • the user equipment selects the corresponding working radio remote unit, which reduces the waste of channel resources in the resource allocation of the multi-radio remote unit.
  • the selecting unit 52 is further configured to compare the difference between the reference signal test value of the user equipment in the other radio remote unit and the reference signal test value of the user equipment in the working radio remote unit, if the difference is If it is less than the preset value, the other radio remote unit is selected as the working radio remote unit. At this time, it is also beneficial to improve the quality of service by taking multiple radio remote units simultaneously to provide services to user equipment.
  • test value of the reference signal mentioned in the foregoing embodiment may be any one of the following: reference signal received power (RSRP, reference signal received power); or signal to interference plus noise ratio of the sounding reference signal ( SRS SINR, sounding reference signal signal to interference plus noise ratio ); or demodulation reference signal signal to interference plus noise ratio (DMRS SINR).
  • RSRP reference signal received power
  • SRS SINR signal to interference plus noise ratio of the sounding reference signal
  • DMRS SINR demodulation reference signal signal to interference plus noise ratio
  • apparatus of Figure 6 further includes a radio remote unit operational timekeeping unit 53.
  • the radio remote unit working timing unit 53 is configured to time the working time of the radio remote unit after selecting the working radio remote unit, so as to select the working radio frequency for the user equipment when the working time reaches the preset time value.
  • the radio remote unit operation timing unit 53 is added to facilitate the timely replacement of the working radio remote unit when the user equipment moves to different positions to improve communication quality.
  • the solution provided by the embodiments of the present invention can also be applied to include GSM (global system for mobile communications), UMTS (universal mobile telecommunications system), WIMAX (worldwide interoperability for microwave access)
  • GSM global system for mobile communications
  • UMTS universal mobile telecommunications system
  • WIMAX worldwide interoperability for microwave access
  • the device provided by the embodiment of the present invention may be a base station in each scenario described above, or may be a separate unit.
  • the resource allocation device of the multi-radio remote unit co-cell provided by the embodiment of the present invention can be used according to the reference of each user equipment in the radio cell remote unit under the condition of the multi-radio remote unit common cell
  • the test value of the signal is selected by the user equipment to select a corresponding working radio remote unit, which reduces the waste of channel resources in the resource allocation of the multi-radio remote unit.
  • the working unit of the radio remote unit can facilitate the timely replacement of the working radio remote unit when the user equipment moves to different positions to improve the communication quality.

Description

一种多射频拉远单元共小区的资源分配方法及装置 技术领域
本发明涉及通信领域， 尤其涉及一种多射频拉远单元共小区的 资源分配方法及装置。
背景技术
在多 RRU ( radio remote unit , 射频拉远单元） 共小区场景中， 相同室内基带处理单元下的多个 RRU在物理上虽然分布在不同的站 址， 但在逻辑上是同一个小区， 所以每个 RRU的载波数、 频点、 信 道配置等小区参数相同。 在此情况下， 对于下行信道， 每个 RRU都 发射相同的 PDSCH/PDCCH ( physical downlink shared channel , 物 理下行共享信道 /physical downlink control channel , 物理下行控制信 道） 信号； 对于上行信道， 每个 RRU联合接收或选择接收 UE (用 户设备， user equipment ) 发射的 PUCCH/PUSCH ( physical uplink control channel , 物理上行控制信道 /physical uplink shared channel 物理上行共享信道） 信号。
在实现上述方案过程中， 发明人发现现有技术至少存在如下问 题： 在多 RRU共小区的情况下， 用户设备会占用小区内的所有 RRU 来执行信号的发送和接收， 出现多个下 /上行信道发射 /接收相同的信 号， 造成了信道资源浪费。
发明内容
本发明的实施例提供一种多射频拉远单元共小区的资源分配方 法及装置， 以解决多射频拉远单元共小区的资源分配中信道资源浪 费的问题。
为达到上述目 的， 本发明的实施例采用如下技术方案：
一方面， 本发明实施例提供一种多射频拉远单元共小区的资源 分配方法， 包括：
在多射频拉远单元小区内， 测量小区内用户设备在各个射频拉 远单元下的参考信号的测试值； 选取测试值最高的射频拉远单元作 为该用户设备的工作射频拉远单元。
另一方面， 本发明实施例提供一种多射频拉远单元共小区的资 源分配装置， 包括：
参考信号测量单元， 用于测量小区内用户设备在各个射频拉远 单元下的参考信号的测试值； 选取单元， 用于选取参考信号测量单 元测量的测试值最高的射频拉远单元作为该用户设备的工作射频拉 远单元。
本发明实施例提供的一种多射频拉远单元共小区的资源分配方 法及装置， 在多射频拉远单元共小区的条件下， 根据小区内用户设 备在各个射频拉远单元下的参考信号的测试值为用户设备选取对应 的工作射频拉远单元， 解决了多射频拉远单元共小区的资源分配中 信道资源浪费的问题。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案， 下 面将对实施例或现有技术描述中所需要使用的附图作简单地介绍， 显而易见地， 下面描述中的附图仅仅是本发明的一些实施例， 对于 本领域普通技术人员来讲， 在不付出创造性劳动的前提下， 还可以 根据这些附图获得其他的附图。
图 1 为本发明实施例 1提供的一种多射频拉远单元共小区的资 源分配方法流程图；
图 2为本发明实施例 2提供的一种多射频拉远单元共小区的资 源分配方法流程图；
图 3 为本发明实施例 2提供的一种多射频拉远单元共小区的资 源分配位图；
图 4为现有技术提供的一种多射频拉远单元共小区的资源分配 位图；
图 5为本发明实施例 3提供的一种多射频拉远单元共小区的资 源分配装置框图； 图 6为本发明实施例 3提供的另一种多射频拉远单元共小区的 资源分配装置框图。
具体实施方式
下面将结合本发明实施例中的附图， 对本发明实施例中的技术 方案进行清楚、 完整地描述， 显然， 所描述的实施例仅仅是本发明 一部分实施例， 而不是全部的实施例。 基于本发明中的实施例， 本 领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他 实施例， 都属于本发明保护的范围。
实施例 1
本发明实施例提供的一种多射频拉远单元共小区的资源分配方 法， 如图 1所示， 其步骤包括：
5 101、 在多射频拉远单元小区内， 测量小区内用户设备在各个 射频拉远单元下的参考信号的测试值。
5 102、 选取测试值最高的射频拉远单元作为用户设备的工作射 频拉远单元。
这里需要说明的是， 步骤 S 102 中提到的参考信号的测试值可以 是以下的任意一种： 参考信号接收功率 （ RSRP , reference signal receiving power ) ; 或探测参考信号的信号与干扰加噪声比 （ SRS SINR , sounding reference signal ; signal to interference plus noise ratio ) ; 或解调参考信号的信号与干扰加噪声比 （ DMRS SINR , demodulation reference symbol signal to interference plus noise ratio )。
此外， 在下述的实施例中以基站来测量小区内用户设备在各个 射频拉远单元下的参考信号的测试值， 需要说明的是这里的基站可 以是以下的任意一种场景的基站： GSM ( global system for mobile communications , 全球移动通信系统 )、 UMTS ( universal mobile telecommunications system，通用移动通信系统 )、 WIMAX( worldwide interoperability for microwave access , 全球微波互联接入 )等其他无 线制式的多射频拉远单元共小区的场景。 在多射频拉远单元小区内， 由于基站为用户设备选取了对应的 工作射频拉远单元， 所以用户设备只在对应的工作射频拉远单元上 进行信道资源分配。
本发明实施例提供的一种多射频拉远单元共小区的资源分配方 法能够在多射频拉远单元共小区的条件下， 根据小区内用户设备在 各个射频拉远单元下的参考信号的测试值为用户设备选取对应的工 作射频拉远单元， 降低了多射频拉远单元共小区的资源分配中信道 资源的浪费。
实施例 2
本发明实施例提供的一种多射频拉远单元共小区的资源分配方 法， 如图 2所示， 其步骤包括：
5201、 在多射频拉远单元小区内， 基站测量小区内用户设备在 各个射频拉远单元下的参考信号的测试值。
5202、 基站选取参考信号的测试值最高的射频拉远单元作为用 户设备的工作射频拉远单元。
5203、 比较用户设备在小区中其他射频拉远单元下的参考信号 测试值和用户设备在其工作射频拉远单元下的参考信号测试值的差 值， 若该差值小于预设值， 则同时选取该其他射频拉远单元作为工 作射频拉远单元。
可以理解的是， 通常情况下， 当该用户设备为其工作射频拉远 单元的中心用户时， 该用户设备在其工作射频拉远单元下的参考信 号测试值与其在其他射频拉远单元下的参考信号测试值的差值可能 会比较大， 在这种情况下， 通过步骤 203 的方法， 基站可能只会为 该用户设备选择唯一的工作射频拉远单元， 则该用户设备可称作 RRU中心用户； 当该用户设备为其工作射频拉远单元的边缘用户时， 该用户设备在其工作射频拉远单元下的参考信号测试值与其在其他 射频拉远单元下的参考信号测试值的差值可能会比较小， 若该差值 小于预设值时， 基站会同时为该用户设备选取了多个工作射频拉远 单元，则该用户设备可称作 RRU边缘用户，这样也保证了通信质量。 此外步骤 S202和 S203中提到的参考信号的测试值可以是以下 的任意一种： 参考信号接收功率 （ RSRP , reference signal receiving power ) ; 或， 探测参考信号的信号与干扰加噪声比 （ SRS SINR , sounding reference signal signal to interference plus noise ratio ) ; 或 ， 解调参考信号 的信号与 干扰加噪声 比 ( DMRS SINR， demodulation reference symbol signal to interference plus noise ratio ) , 这里在步骤 S203 中比较用户设备在其他射频拉远单元下的 参考信号测试值和在工作射频拉远单元下的参考信号测试值的差值 时采用的是同一种类型的测试值。
S204、 基站选取工作射频拉远单元后， 对该射频拉远单元的工 作时间计时， 以使得当工作时间达到预设时间值时， 基站为该用户 设备重新选取工作射频拉远单元。
举例来说， 在小区 A 内， 如图 3、 图 4所示存在三个射频拉远 单元 RRU0、 RRU 1、 RRU2 , 假设图中每一小格代表一个 RB(resource block, 资源块）， （可以理解的是， 图中的每一个小格也可以代表几 个 RB ) 图中 1代表分配给用户设备 1 的信道资源， 2代表分配给用 户设备 2的信道资源， 0代表未分配的信道资源。 其中图 3为本发明 实施例提供的的一种多射频拉远单元共小区的资源分配位图， 图 4 为现有技术提供的一种多射频拉远单元共小区的资源分配位图。 在 真实场景中存在物理上行信道和物理下行信道， 在现有技术小区内， 对于物理下行信道， 每个 RRU都发射相同的 PD SCH/PDCCH信号； 对于物理上行信道， 每个 RRU联合接收或选择接收用户设备发射相 同的 PUCCH/PUSCH信号。
假设基站检测到用户设备 1在 RRU0下的参考信号的测试值最 高， 则选取 RRU0作为用户设备 1 的工作 RRU ; 如果基站检测到用 户设备 1 在另外两个 RRU ( RRU 1、 RRU2 ) 下的参考信号的测试值 与在 RRU0 下的参考信号的测试值之差都大于预设比较值， 则基站 只选取 RRU0作为用户设备 1 的工作 RRU。 在此情况下， 假设用户 设备 1只占用了如图 3所示三个 RB的信道资源， 而现有技术如图 4 所示，用户设备 1会占用小区内的所有 RRU ( RRU0、 RRU l、 RRU2 ) 来执行信号的发送和接收， 此时用户设备 1在 3个 RRU中一共要占 用九个 RB的信道资源， 因此本发明实施例方案节约了信道资源。
此外假设基站选取参考信号的测试值最高的射频拉远单元 RRU 1 作为用户设备 2 的工作 RRU , 基站测量用户设备 2在另外两 个 RRU下的参考信号的测试值， 发现在 RRU2下的参考信号的测试 值与在 RRU 1 的参考信号的测试值之差小于预设比较值，那么 RRU2 也设为用户设备 2的工作 RRU , 此时基站选取 RRU 1 和 RRU2作为 用户设备 2的工作 RRU只占用了如图所示四个 RB的信道资源， 而 现有技术如图 4所示，用户设备 1会占用小区内的所有 RRU ( RRU0、 RRU l , RRU2 ) 来执行信号的发送和接收， 此时用户设备 1 在 3 个 RRU 中一共要占用六个 RB 的信道资源， 因此本发明实施例方案节 约了信道资源。 可以理解的上， 上述实施例中的 RB个数可以是假设 的数据， 在真实场景下占用 RB的数目要根据实际情况而定， 本发明 并不对此进行限定。
上述实施例中提到的参考信号的测试值可以是以下的任意一 种： 参考信号接收功率 ( RSRP , reference signal receiving power ); 或探测参考信号的信号与干扰加噪声 比 （ SRS SINR , sounding reference signal signal to interference plus noise ratio );或解调参考 信号的信号与干扰加噪声比 （ DMRS SINR , demodulation reference symbol signal to interference plus noise ratio )。
本发明实施例提供的一种多射频拉远单元共小区的资源分配方 法能够在多射频拉远单元共小区的条件下， 基站根据小区内用户设 备在各个射频拉远单元下的参考信号的测试值为用户设备选取对应 的工作射频拉远单元， 降低了多射频拉远单元共小区的资源分配中 信道资源的浪费。
此外， 由于用户设备为移动设备， 增加了工作射频拉远单元计 时过程更有利于用户设备移动到不同位置时及时更换工作射频拉远 单元提高通信质量。 实施例 3
本发明实施例提供的一种多射频拉远单元共小区的资源分配装 置， 如图 5所示， 所述装置包括参考信号测量单元 5 1、 选取单元 52。
参考信号测量单元 5 1 用于测量小区内用户设备在各个射频拉 远单元下的参考信号的测试值。
选取单元 52 用于选取参考信号测量单元测量的测试值最高的 射频拉远单元作为用户设备的工作射频拉远单元。
本发明实施例提供的多射频拉远单元共小区的资源分配装置， 能够在多射频拉远单元共小区的条件下， 根据小区内用户设备在各 个射频拉远单元下的参考信号的测试值为用户设备选取对应的工作 射频拉远单元， 降低了多射频拉远单元共小区的资源分配中信道资 源的浪费。
进一步的，选取单元 52还用于比较用户设备在小区中其他射频 拉远单元下的参考信号测试值和用户设备在其工作射频拉远单元下 的参考信号测试值的差值， 若该差值小于预设值， 则同时选取该其 他射频拉远单元作为工作射频拉远单元。 此时采取多个射频拉远单 元同时对用户设备提供服务也有利于提高服务质量。
需要说明的是， 上述实施例中提到的参考信号的测试值可以是 以 下的任意一种： 参考信号接收功率 （ RSRP , reference signal receiving power ) ; 或探测参考信号的信号与干扰加噪声比 （ SRS SINR , sounding reference signal signal to interference plus noise ratio ) ; 或解调参考信号的信号与干扰加噪声比 （ DMRS SINR , demodulation reference symbol signal to interference plus noise ratio )。
再进一步的， 如图 6所述的装置， 还包括射频拉远单元工作计 时单元 53。
射频拉远单元工作计时单元 53 用于在选取工作射频拉远单元 后， 对该射频拉远单元的工作时间计时， 以使得当工作时间达到预 设时间值时， 重新为用户设备选取工作射频拉远单元。 这里， 由于用户设备为移动设备， 增加了射频拉远单元工作计 时单元 53 更有利于用户设备移动到不同位置时及时更换工作射频 拉远单元提高通信质量。
本发明实施例所提供的方案还可以应用于包括 GSM ( global system for mobile communications , 全球移动通信系统 )、 UMTS ( universal mobile telecommunications system , 通用移动通信系统 )、 WIMAX ( worldwide interoperability for microwave access , 全球微波 互联接入） 等其他无线制式的多射频拉远单元共小区的场景， 本发 明实施例提供的装置可以是上述各场景中的基站， 也可以是设置单 独的单元。
本发明实施例提供的一种多射频拉远单元共小区的资源分配装 置， 能够在多射频拉远单元共小区的条件下， 根据小区内每个用户 设备在每个射频拉远单元下的参考信号的测试值为用户设备选取对 应的工作射频拉远单元， 降低了多射频拉远单元共小区的资源分配 中信道资源的浪费。
此外， 由于用户设备为移动设备， 射频拉远单元工作计时单元 有利于用户设备移动到不同位置时及时更换工作射频拉远单元以提 高通信质量。
本领域普通技术人员可以理解： 实现上述方法实施例的全部或 部分步骤可以通过程序指令相关的硬件来完成， 前述的程序可以存 储于一计算机可读取存储介质中， 该程序在执行时， 执行包括上述 方法实施例的步骤； 而前述的存储介质包括： ROM、 RAM , 磁碟或 者光盘等各种可以存储程序代码的介质。
以上所述， 仅为本发明的具体实施方式， 但本发明的保护范围 并不局限于此， 任何熟悉本技术领域的技术人员在本发明揭露的技 术范围内， 可轻易想到变化或替换， 都应涵盖在本发明的保护范围 之内。 因此， 本发明的保护范围应以所述权利要求的保护范围为准。

Claims

权 利 要 求 书
1、 一种多射频拉远单元共小区的资源分配方法， 其特征在于， 包括：
在多射频拉远单元小区内，测量小区内用户设备在各个射频拉远 单元下的参考信号的测试值；
选取所述测试值最高的射频拉远单元作为所述用户设备的工作 射频拉远单元。
2、 根据权利要求 1所述的方法， 其特征在于， 所述参考信号的 测试值， 包括：
参考信号接收功率、 或， 探测参考信号的信号与干扰加噪声比、 或， 解调参考信号的信号与干扰加噪声比。
3、 根据权利要求 2所述的方法， 其特征在于， 所述方法还包括： 比较所述用户设备在所述小区中的其他射频拉远单元下的参考 信号测试值和在所述用户设备在所述工作射频拉远单元下的参考信 号测试值的差值， 若所述差值小于预设值， 则同时选取所述其他射频 拉远单元作为工作射频拉远单元。
4、 根据权利要求 1、 2或 3所述的方法， 其特征在于， 所述选取 参考信号的测试值最高的射频拉远单元作为工作射频拉远单元后， 还 包括：
选定所述工作射频拉远单元后，对所述射频拉远单元的工作时间 计时， 以使得当所述工作时间达到预设时间值时， 重新为所述用户设 备选取工作射频拉远单元。
5、 一种多射频拉远单元共小区的资源分配装置， 其特征在于， 包括：
参考信号测量单元，用于测量小区内用户设备在各个射频拉远单 元下的参考信号的测试值；
选取单元，用于选取所述参考信号测量单元测量的测试值最高的 射频拉远单元作为所述用户设备的工作射频拉远单元。
6、 跟据权利要求 5所述的装置， 其特征在于， 所述参考信号的 测试值包括：
参考信号接收功率、 或， 探测参考信号的信号与干扰加噪声比、 或， 解调参考信号的信号与干扰加噪声比。
7、 根据权利要求 5所述的装置， 其特征在于， 所述选取单元还 用于比较所述用户设备在所述小区中的其他射频拉远单元下的参考 信号测试值和所述用户设备在所述工作射频拉远单元下的参考信号 测试值的差值， 若所述差值小于预设值， 则同时选取所述其他射频拉 远单元作为工作射频拉远单元。
8、 根据权利要求 5、 6或 7所述的装置， 其特征在于， 还包括： 射频拉远单元工作计时单元，用于在选定所述工作射频拉远单元 后， 对所述工作射频拉远单元的工作时间进行计时， 以使得当所述工 作时间达到预设时间值时， 重新为所述用户设备选取工作射频拉远单 元。
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