WO2013053245A1 - 一种确定无线接入网络中参考rtwp的方法及其设备 - Google Patents

一种确定无线接入网络中参考rtwp的方法及其设备 Download PDF

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Publication number
WO2013053245A1
WO2013053245A1 PCT/CN2012/077596 CN2012077596W WO2013053245A1 WO 2013053245 A1 WO2013053245 A1 WO 2013053245A1 CN 2012077596 W CN2012077596 W CN 2012077596W WO 2013053245 A1 WO2013053245 A1 WO 2013053245A1
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Prior art keywords
rtwp
value
cell
local cell
base station
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PCT/CN2012/077596
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English (en)
French (fr)
Inventor
沙秀斌
窦建武
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中兴通讯股份有限公司
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Publication of WO2013053245A1 publication Critical patent/WO2013053245A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/30TPC using constraints in the total amount of available transmission power
    • H04W52/34TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/343TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading taking into account loading or congestion level

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method and device for determining a reference RTWP in a radio access network.
  • BACKGROUND In the field of wireless communications, especially in a radio access network using Code Division Multiple Access (CDMA) technology, orthogonal codes are used to distinguish different users, and data is spread and then transmitted through a wireless link. Transmission;
  • the uplink capacity of the cell is limited by the uplink interference of the cell.
  • the uplink interference of the cell mainly includes the interference outside the system and the system thermal noise (ie, the bottom noise of the cell), the service load in the cell, and the interference of the intra-frequency neighboring cell in the system. .
  • the uplink interference of a cell generally uses the RTWP of the cell ( According to the value of Received Total Wideband Power, the RTWP value of the cell can be obtained by Node B (NodeB) real-time measurement; the uplink load of the cell generally uses the RTWP value of the cell relative to the reference RTWP value (Reference Received Total Wideband) Power) is measured by the amount of lift.
  • the reference RTWP is generally set to the bottom noise of the cell.
  • the scheduling of the HSUPA (High Speed Uplink Packet Access) service is generally performed at the Node B.
  • the Node B performs the HSUPA service scheduling, it needs to be based on the The reference RTWP value of the cell determines the load of the cell, thereby performing service scheduling.
  • the RNC Radio Network Controller
  • RRM Radio Resource Management
  • the load of the cell is also determined according to the reference RTWP value of the cell, so that the RRM algorithm is determined.
  • the interference of the same-frequency neighboring cell has a greater impact on the uplink interference of the cell (
  • users at the edge of the same-frequency neighboring cell have a great influence on the interference of the cell, and the interference of the same-frequency neighboring cell has no obvious impact on the capacity of the cell. Therefore, if only the interference outside the system and the system thermal noise are taken as the community Refer to the RTWP value, and do not consider the interference effect of the same-frequency neighboring cell, so that the obtained reference of the cell RTWP value larger error, whereby the error will be larger according to a load cell of the present reference RTWP value determined, leading to determine the capacity of this cell is low.
  • the embodiments of the present invention provide a method for determining a reference RTWP in a radio access network and a device thereof, which are used to solve the problem that the error of the determined reference RTWP value existing in the prior art is large.
  • a method for determining a reference RTWP in a radio access network including: determining, by a base station, a service load increment in a local cell; and determining, by the base station, a total received broadband power RTWP value according to the local cell And determining, by the service load increment of the local cell, a reference RTWP value of the local cell.
  • the determining, by the base station, the service load increment in the local cell the method includes: determining, by the base station, a received power value of each radio link in the current cell, and summing the received power values of all the radio links As the traffic load increment of the local cell.
  • the determining, by the base station, the reference RTWP value of the local cell includes: determining, by the base station, a difference between an RTWP value of the local cell and a service load increment of the local cell as a reference RTWP value of the local cell.
  • the determining, by the base station, the reference RTWP value of the local cell includes: determining, by the base station, a difference between an RTWP value of the local cell and a service load increment of the local cell as an intermediate value of the RTWP of the local cell.
  • the base station uses the received intermediate value of the corrected RTWP as the reference RTWP value of the local cell.
  • a method for determining a reference RTWP in a radio access network including: obtaining, by a radio network controller, the determined by a base station according to an RTWP value of a local cell and a service load increment of the local cell The intermediate value of the RTWP of the local cell; the radio network controller performs a correction process on the intermediate value of the RTWP according to the interference of the neighboring cell, and determines the corrected intermediate value of the RTWP as the reference RTWP value of the local cell.
  • the intermediate value of the RTWP is a difference between an RTWP value of the local cell and a service load increment of the local cell.
  • the method further includes: the radio network controller sending the determined reference RTWP value to the base station.
  • a base station including: a determining module, configured to determine a service load increment in a local cell; and a processing module, configured to be based on a total received broadband power RTWP value and location of the local cell The traffic load increment of the local cell is determined, and the reference RTWP value of the local cell is determined.
  • the determining module is configured to: determine a received power value of each radio link in the local cell, and use a sum of received power values of all the radio links as a service load increment of the local cell.
  • the processing module is further configured to: determine a difference between the RTWP value of the local cell and a service load increment of the local cell as a reference RTWP value of the local cell.
  • the processing module is further configured to: determine a difference between the RTWP value of the local cell and a service load increment of the local cell as an intermediate value of the RTWP of the local cell, and determine the middle of the RTWP of the local cell.
  • the value is reported to the radio network controller for correction processing; the received corrected RTWP intermediate value is used as the reference RTWP value of the local cell.
  • a radio network controller including: a receiving module, configured to acquire, by the base station, an RTWP intermediate of the local cell determined according to an RTWP value of the local cell and a traffic load increment of the local cell. And a correction module, configured to perform correction processing on the RTWP intermediate value according to interference of the neighboring cell, and determine the corrected RTWP intermediate value as the reference RTWP value of the local cell.
  • the radio network controller further includes: a sending module, configured to send the reference RTWP value determined by the correction module to the base station. The embodiment of the present invention determines the reference RTWP value of the local cell according to the RTWP value of the local cell and the service load increment of the local cell, and can determine the reference RTWP value of the local cell more accurately and effectively, so that the determined reference of the local cell is determined.
  • FIG. 1 is a first flowchart of a method for determining a reference RTWP in a radio access network according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a base station according to an embodiment of the present invention
  • FIG. 3B is a flowchart of a third method for determining a reference RTWP in a radio access network according to an embodiment of the present invention
  • FIG. 4A is a first wireless manner according to an embodiment of the present invention
  • FIG. 4B is a schematic structural diagram of a second radio network controller according to an embodiment of the present invention
  • FIG. 5 is a flowchart of a fourth method for determining a reference RTWP in a radio access network according to an embodiment of the present invention
  • FIG. 6 is a flowchart of a fifth method for determining a reference RTWP in a radio access network according to an embodiment of the present invention.
  • the embodiments of the present invention are used to solve the problem that the error of the determined reference RTWP value existing in the prior art is large, and provide a method and a device for determining the reference RTWP in the radio access network, which can be more accurate and effective.
  • the reference RTWP value of the local cell is determined, so that the obtained reference RTWP value error of the local cell is small.
  • An embodiment of the present invention provides a method for determining a reference RTWP in a radio access network. As shown in FIG. 1, the method includes the following steps.
  • the base station determines a service load increment in the cell.
  • the base station determines a reference RTWP value of the local cell according to the total received broadband power RTWP value of the cell and the service load increment of the local cell. Specifically, in step S101, the base station may determine, according to the following steps, the service load increment in the current cell, where: the base station determines the received power value of each radio link (Ralink Link, RL) in the cell at the antenna port, and The sum of the received power values of all the radio links is used as the traffic load increment of the own cell.
  • the following describes several methods for determining the received power value of each radio link in the cell. It should be noted that the following method for determining the received power value of the radio link is merely illustrative and not limiting.
  • Method 1 Determine the received power value according to the SIR of the DPCCH measured by the radio link in the local cell, as follows: SIR of the DPCCH (Dedicated Physical Control Channel) measured by each radio link in the local cell. Can be determined according to formula 1:
  • RSCP ik Received Signal Code Power, indicating the received signal code power of the ith radio link in cell k;
  • ISCP i Interference Signal Code Power, indicating the interface signal code power of the i-th radio link in the cell k;
  • ?1 ⁇ represents the received power of the ith radio link received by the cell k
  • RTWP k represents the RTWP of cell k
  • Equation 1 is equivalently transformed to obtain Equation 2
  • Equation 2 can determine the received power value of each wireless link in the cell:
  • Method 2 Determine a received power value of the wireless link according to an uplink service quality factor Eb/No of the cell. Specifically, the received power value of the wireless link may be determined according to the following formula:
  • Equation 3 the load estimation factor in Equation 3 can also be determined according to Equation 5:
  • the base station can determine the difference between the RTWP value of the local cell and the service load increment of the local cell as a reference of the cell. RTWP value; the base station performs HSUPA traffic scheduling according to the reference RTWP value of the local cell determined above; The controller receives the reference RTWP value of the cell reported by the base station, and performs according to the reference RTWP value of the cell.
  • the base station may further determine the reference RTWP value of the current cell according to the following steps: The base station determines the RTWP value of the local cell and the local cell. The difference between the service load increments is used as the intermediate value of the RTWP of the current cell, and the determined intermediate value of the RTWP of the local cell is reported to the radio network controller for correction processing; the radio network controller receives the intermediate RTWP of the local cell reported by the base station.
  • ) .... Equation 6; wherein, correction factor neighboring cell Interference factor + preset increment;
  • the interference factor of the neighboring cell is an empirical value, which can be set as required, generally 0.65.
  • the interference factor of the neighboring cell can also be dynamically configured as an adjustable parameter according to the actual scenario;
  • the increment is also the empirical value, which can be set as required, generally taken as 1.
  • the radio network controller determines the corrected RTWP intermediate value as the reference RTWP value of the cell, and sends the determined reference RTWP value of the cell to the corresponding base station of the cell by physical shared channel reconfiguration; the base station will receive the corrected The intermediate value of the RTWP is used as the reference RTWP value of the current cell.
  • the base station includes: a determining module 20, configured to determine a service load increment in the local cell.
  • the processing module 21 is configured to determine a reference RTWP value of the local cell according to the total received broadband power RTWP value of the current cell and the traffic load increment of the local cell.
  • the determining module 20 is configured to: determine a received power value of each radio link in the local cell, and use a sum of received power values of all radio links as a service load increment of the local cell.
  • the determining module 20 is configured to: determine the received power value of each wireless link according to Equation 2.
  • the processing module 21 is further configured to: determine a difference between the RTWP value of the local cell and the traffic load increment of the local cell as the reference RTWP value of the local cell.
  • the processing module 21 is further configured to: determine the difference between the RTWP value of the local cell and the traffic load increment of the local cell as the intermediate value of the RTWP of the local cell, and report the determined intermediate value of the RTWP of the local cell to the wireless network.
  • the controller performs a correction process; and uses the received corrected RTWP intermediate value as the reference RTWP value of the local cell.
  • the embodiment of the present invention further provides a method for determining a reference RTWP in a radio access network. As shown in FIG. 3A, the method includes the following steps.
  • the radio network controller acquires an intermediate value of the RTWP of the cell determined by the base station according to the RTWP value of the cell and the service load increment of the cell.
  • the radio network controller performs a correction process on the intermediate value of the RTWP according to the interference of the neighboring cell, and determines the corrected intermediate value of the RTWP as the reference RTWP value of the cell.
  • the intermediate value of the RTWP in step S301 is the difference between the RTWP value of the local cell and the traffic load increment of the local cell.
  • the radio network controller performs a correction process on the RTWP intermediate value according to Equation 6, and determines the corrected RTWP intermediate value as the reference RTWP value of the cell.
  • the method further includes:
  • the radio network controller sends the determined reference RTWP value to the base station.
  • a radio network controller is further provided in the embodiment of the present invention, and the principle of solving the problem by the radio network controller is compared with the reference RTWP in the radio access network shown in FIG. 3A or FIG. 3B.
  • the method is similar, so the implementation of the radio network controller can be referred to the implementation of the method shown in FIG. 3A or FIG. 3B, and the repeated description is not repeated.
  • the embodiment of the present invention provides a radio network controller.
  • the radio network controller includes: a receiving module 40, configured to acquire, by the base station, according to the RTWP value of the local cell and the service load increment of the local cell.
  • the RTWP intermediate value of the local cell; the correction module 41 is configured to perform correction processing on the RTWP intermediate value according to the interference of the neighboring cell, and determine the corrected RTWP intermediate value as the reference RTWP value of the local cell.
  • the intermediate value of the RTWP is the difference between the RTWP value of the current cell and the traffic load increment of the local cell.
  • the correction module 41 is configured to: perform a correction process on the RTWP intermediate value according to Equation 6.
  • the radio network controller further includes: a sending module 42 configured to send the reference RTWP value determined by the correction module 41 to the base station.
  • the method for determining the reference RTWP value by the NodeB in the TD-SCDMA system includes the following steps. S501.
  • the NodeB calculates the received power of each radio link RL (Radio Link) in the cell.
  • the calculation of the received power of each radio link will be described below by taking the received power of the DPCCH (Dedicated Physical Control Channel) as an example.
  • the received power of each radio link in the DPCCH can be measured according to the NodeB's DPCCH signal-to-interference ratio SIR (measured by the NodeB in real time) and the NodeB's received total wideband code power measured by the NodeB.
  • the RTWP value (which can be measured by the NodeB in real time) is determined; specifically, the base station determines the received power of each radio link at the DPCCH according to Equation 2.
  • the NodeB accumulates the received power of each radio link in the cell to determine that the load increment of the cell is generated by the service.
  • the NodeB uses the difference between the total received broadband power RTWP value of the cell and the load increment of the local cell as the reference RTWP value of the local cell. Further, the NodeB may determine the load of the local cell according to the reference RTWP value of the local cell determined by S503, thereby performing HSUPA service scheduling.
  • the NodeB can report the reference RTWP value of the local cell determined by the NodeB to the wireless network controller through the public measurement report.
  • the radio network controller can perform the RRM admission control and the load control algorithm decision according to the reference RTWP value of the cell reported by the NodeB.
  • the foregoing method of the embodiment of the present invention is also applicable to the determination of the reference RTWP value of the cell in the WCDMA and other systems.
  • the method for determining the reference RTWP value of the cell in the WCDMA system is similar to the method in the foregoing embodiment. For the specific process, please refer to the TD-SCDMA.
  • the determination of the reference RTWP value of the cell in the system is not described here.
  • the WCDMA system is taken as an example to describe the method for determining the reference RTWP value jointly by the NodeB and the radio network controller. As shown in FIG. 6, the method includes the following steps.
  • the NodeB calculates the received power of each radio link in the cell according to formula 2.
  • the NodeB accumulates and sums the received power of each radio link in the cell, so as to determine the load increment of the cell due to the service, and the difference between the total received broadband power RTWP value of the cell and the load increment of the cell. The value is used as the intermediate value of the RTWP of the cell. S603. The NodeB reports the intermediate value of the RTWP of the local cell determined in step S602 to the radio network controller by using a public measurement report.
  • the radio network controller performs the correction processing on the RTWP intermediate value reported by the NodeB according to the neighboring cell interference according to Equation 6, and determines the corrected RTWP intermediate value as the reference RTWP value of the cell.
  • the interference correction of the neighboring cell is mainly considering the influence of the neighbor cell interference on the capacity of the cell.
  • the radio network controller performs an RRM algorithm decision according to the reference RTWP value of the cell determined in step S604.
  • the radio network controller sends the reference RTWP value of the cell determined in step S604 to the NodeB by physical shared channel reconfiguration.
  • the NodeB performs scheduling of the HSUPA service according to the reference RTWP value of the received cell of the radio network controller.
  • the above method of the embodiment of the present invention is also applicable to the reference RTWP value of the cell jointly determined by the NodeB and the radio network controller in the TD-SCDMA and other systems, and the TD-SCDMA is controlled by the NodeB and the radio network.
  • the method for determining the reference RTWP value of the cell is similar to the method of the foregoing embodiment. For the specific procedure, refer to the method for determining the reference RTWP value of the cell by the NodeB and the radio network controller in the WCDMA system, and details are not described herein again.
  • the technical solution of the present invention determines the reference RTWP value of the local cell according to the RTWP value of the current cell and the service load increment of the local cell, and can determine the reference RTWP value of the local cell more accurately and effectively, so that the determined version is obtained.
  • the error of the reference RTWP value of the cell is small, so that the error of the load of the local cell determined according to the reference RTWP value of the current cell is also small.
  • the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • the present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flow and/or blocks in the flowcharts and/or block diagrams can be implemented by computer program instructions.
  • These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device.
  • the computer program instructions can also be stored in a computer readable memory operable in a particular manner by a computer or other programmable data processing device, such that instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the instruction means implements the functions specified in one or more blocks of the flow or in a flow or block diagram of the flowchart.

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Abstract

本发明公开了一种确定无线接入网络中参考RTWP的方法及其设备。其中,该方法包括:基站确定本小区内的业务负荷增量;基站根据本小区的总接收宽带功率RTWP值和本小区的业务负荷增量,确定本小区的参考RTWP值。通过本发明,达到了能够更加准确、有效地确定本小区的参考RTWP值,使确定的本小区的参考RTWP值误差小的效果。

Description

一种确定无线接入网络中参考 RTWP的方法及其设备 技术领域 本发明涉及通信技术领域, 特别涉及一种确定无线接入网络中参考 RTWP的方法 及其设备。 背景技术 在无线通信领域, 尤其是利用码分多址(Code Division Multiple Access, CDMA) 技术的无线接入网中, 其利用正交码区分不同用户, 并对数据进行扩频后通过无线链 路传输; 小区的上行容量会受小区上行干扰的限制, 其中小区的上行干扰主要包括系 统外的干扰和***热噪声(即小区底噪声)、小区内业务负荷及***内的同频邻小区的 干扰。 在 WCDMA ( Wideband Code Division Multiple Access, 宽带码分多址) 和 TD-SCDMA ( Time Division-Synchronous Code Division Multiple Access, 时分同步码分 多址)***中,小区的上行干扰一般用本小区的 RTWP(Received Total Wideband Power, 接收宽带总功率) 的值来衡量, 小区的 RTWP值可以由节点 B (NodeB) 实时测量获 取; 小区的上行负荷一般用小区的 RTWP值相对于参考 RTWP值(Reference Received Total Wideband Power) 的抬升量来衡量, 目前, 参考 RTWP—般设置为本小区的底噪 声。 在 WCDMA和 TD-SCDMA***中, HSUPA (High Speed Uplink Packet Access, 高速上行链路分组接入)业务的调度一般在节点 B(Node B)进行, Node B在进行 HSUPA 业务调度时,需要根据该小区的参考 RTWP值确定该小区的负荷,从而进行业务调度; 另夕卜, RNC ( Radio Network Controller,无线网络控制器)在进行 RRM ( Radio Resource Management, 无线资源管理) 的接纳控制和小区负荷控制算法决策时, 也需要根据该 小区的参考 RTWP值确定该小区的负荷, 从而进行 RRM算法决策; 但由于 WCDMA 和 TD-SCDMA***中, 同频邻小区的干扰对本小区的上行干扰影响比较大 (尤其是 同频邻小区边缘的用户对本小区干扰的影响很大),而同频邻小区的干扰对本小区的容 量影响又不明显, 因此, 如果仅仅将***外的干扰和***热噪声作为本小区的参考 RTWP值, 而未考虑同频邻小区的干扰影响, 使得得到的本小区的参考 RTWP值误差 较大, 从而根据该参考 RTWP值确定的本小区的负荷误差也会较大, 进而导致确定的 本小区的容量偏低。 综上所述, 现有技术中确定的参考 RTWP值的误差较大。 发明内容 本发明实施例提供了一种确定无线接入网络中参考 RTWP的方法及其设备, 用于 解决现有技术中存在的确定的参考 RTWP值的误差较大的问题。 根据本发明的一个方面, 提供了一种确定无线接入网络中参考 RTWP的方法, 包 括: 基站确定本小区内的业务负荷增量; 所述基站根据所述本小区的总接收宽带功率 RTWP值和所述本小区的业务负荷增量, 确定所述本小区的参考 RTWP值。 较佳地, 所述基站确定本小区内的业务负荷增量, 包括: 所述基站确定本小区内 的每条无线链路的接收功率值, 将所有所述无线链路的接收功率值之和作为所述本小 区的业务负荷增量。 较佳地, 所述基站确定所述本小区的参考 RTWP值, 包括: 所述基站确定所述本 小区的 RTWP值与本小区的业务负荷增量的差值作为所述本小区的参考 RTWP值。 较佳地, 所述基站确定所述本小区的参考 RTWP值, 包括: 所述基站确定所述本 小区的 RTWP值与本小区的业务负荷增量的差值作为所述本小区的 RTWP中间值,并 将确定的本小区的 RTWP中间值上报至无线网络控制器进行校正处理; 所述基站将收 到的校正后的 RTWP中间值作为所述本小区的参考 RTWP值。 较佳地, 所述无线网络控制器根据下列公式对所述基站确定的 RTWP中间值进行 校正处理: 校正后的 R7W中间值 = R7W值 -校正因子 X (R7W值 - RTWP中间值), 其中, 校正因子=邻小区干扰因子 +预设的增量。 根据本发明的另一个方面, 提供了一种确定无线接入网络中参考 RTWP的方法, 包括: 无线网络控制器获取由基站根据本小区的 RTWP值与本小区的业务负荷增量确 定的所述本小区的 RTWP 中间值; 所述无线网络控制器根据邻小区的干扰对所述 RTWP 中间值进行校正处理, 并确定校正后的 RTWP 中间值作为所述本小区的参考 RTWP值。 较佳地, 所述 RTWP中间值为所述本小区的 RTWP值与本小区的业务负荷增量的 差值。 较佳地, 所述无线网络控制器根据下列公式对所述 RTWP中间值进行校正处理: 校正后的 R7W中间值 = R7W值 -校正因子 X (R7W值 - RTWP中间值), 其中, 校正因子=邻小区干扰因子 +预设的增量。 较佳地, 所述无线网络控制器确定校正后的 RTWP 中间值作为本小区的参考 RTWP值之后,还包括:所述无线网络控制器将确定的参考 RTWP值发送至所述基站。 根据本发明的又一个方面, 提供了一种基站, 包括: 确定模块, 设置为确定本小 区内的业务负荷增量; 处理模块, 设置为根据所述本小区的总接收宽带功率 RTWP值 和所述本小区的业务负荷增量, 确定所述本小区的参考 RTWP值。 较佳地, 所述确定模块设置为: 确定本小区内的每条无线链路的接收功率值, 将 所有所述无线链路的接收功率值之和作为所述本小区的业务负荷增量。 较佳地, 所述处理模块还设置为: 确定所述本小区的 RTWP值与本小区的业务负 荷增量的差值作为所述本小区的参考 RTWP值。 较佳地, 所述处理模块还设置为: 确定所述本小区的 RTWP值与本小区的业务负 荷增量的差值作为所述本小区的 RTWP中间值,并将确定的本小区的 RTWP中间值上 报至无线网络控制器进行校正处理; 将收到的校正后的 RTWP中间值作为所述本小区 的参考 RTWP值。 根据本发明的又一个方面, 提供了一种无线网络控制器, 包括: 接收模块, 设置 为获取由基站根据本小区的 RTWP 值与本小区的业务负荷增量确定的所述本小区的 RTWP中间值; 校正模块, 设置为根据邻小区的干扰对所述 RTWP中间值进行校正处 理, 并确定校正后的 RTWP中间值作为所述本小区的参考 RTWP值。 较佳地,所述校正模块设置为:根据下列公式对所述 RTWP中间值进行校正处理: 校正后的 R7WP中间值 = RTWP值 -校正因子 X (R7WP值 - R7WP中间值), 其 中, 校正因子=邻小区干扰因子 +预设的增量。 较佳地, 所述无线网络控制器还包括: 发送模块, 设置为将所述校正模块确定的 参考 RTWP值发送至所述基站。 本发明实施例根据本小区的 RTWP值和该本小区的业务负荷增量, 确定该本小区 的参考 RTWP值, 能够更加准确、有效地确定本小区的参考 RTWP值, 使得确定的本 小区的参考 RTWP值误差小,从而根据本小区的参考 RTWP值确定的本小区的负荷的 误差也较小。 附图说明 图 1为本发明实施例的第一种确定无线接入网络中参考 RTWP的方法流程图; 图 2为本发明实施例的基站的结构示意图; 图 3A为本发明实施例的第二种确定无线接入网络中参考 RTWP的方法流程图; 图 3B为本发明实施例的第三种确定无线接入网络中参考 RTWP的方法流程图; 图 4A为本发明实施例的第一种无线网络控制器的结构示意图; 图 4B为本发明实施例的第二种无线网络控制器的结构示意图; 图 5为本发明实施例的第四种确定无线接入网络中参考 RTWP的方法流程图; 图 6为本发明实施例的第五种确定无线接入网络中参考 RTWP的方法流程图。 具体实施方式 本发明实施例用于解决现有技术中存在的确定的参考 RTWP 值的误差较大的问 题, 提供了一种无线接入网络中参考 RTWP的确定方法及设备, 能够更加准确、 有效 地确定本小区的参考 RTWP值, 使得得到的本小区的参考 RTWP值误差小。 本发明实施例提供了一种确定无线接入网络中参考 RTWP的方法, 如图 1所示, 该方法包括以下步骤。
5101、 基站确定本小区内的业务负荷增量。
5102、 基站根据本小区的总接收宽带功率 RTWP值和本小区的业务负荷增量, 确 定本小区的参考 RTWP值。 具体的,步骤 S101中基站可以根据以下步骤确定本小区内的业务负荷增量,包括: 基站确定本小区内的每条无线链路 (Radio Link, RL) 在天线口的接收功率值, 并将所有无线链路的接收功率值之和作为本小区的业务负荷增量。 下面介绍几种确定本小区内的每条无线链路的接收功率值的方法,需要说明的是, 以下确定无线链路的接收功率值的方法只是说明性的, 并非限制性的, 凡本领域技术 人员熟知的确定无线链路的接收功率值的方法都适用于本发明。 方法一、 根据无线链路在本小区测量到的 DPCCH的 SIR确定其接收功率值, 具 体如下: 每条无线链路在本小区测量到的 DPCCH (Dedicated Physical Control Channel, 专 用物理控制信道) 的 SIR可以根据公式 1确定:
Rscpik Pr½ S Pr¾ xSF
siRlk = xSF = .公式1,其中, ^/
ISCP RTWPk - Frxik xSF
表示第 i条无线链路在小区 k测量到的信干比 SIR;
RSCPik: Received Signal Code Power, 表示小区 k中第 i条无线链路的接收信号码 功率;
ISCPi: Interference Signal Code Power, 表示小区 k中第 i条无线链路的接接口信 号码功率;
I,表示第 i条无线链路中用户的总干扰;
?1^ 表示小区 k接收到的第 i条无线链路的接收功率;
RTWPk表示小区 k的 RTWP;
SF表示信道的扩频因子; 将公式 1进行等价变换即可得到公式 2, 由公式 2可确定本小区内的每条无线链 路的接收功率值:
SIR^ x RTWPk
.公式 2;
[l + SIRlk )xSF 需要说明的是, 其他专用信道的接收功率都是相对于 DPCCH信道的接收功率偏 差, 可由 DPCCH信道的接收功率通过 3GPP原理推导得出其他专用信道的接收功率, 此处不再赘述。 方法二、 根据小区的上行业务品质因素 Eb/No确定无线链路的接收功率值, 具体 的, 可以根据以下公式确定无线链路的接收功率值:
Δ/ = Λ. .公式 3 ; 其中, ΔΙ表示无线链路的接收功率值, 其单位是 dBm; Ittal表示小区的总干扰, 其值可由基站公共测量得到; ri = ^-N Itatal ;
No表示上行背景和接收机噪声功率; 表示负荷估计因子; 其中, 公式 3中的负荷估计因子 可以根据公式 4确定: Q = (1 + UlInterFactor) - Ι ψ 公式 4 ; 其中, W=3.84e6 [bit/s];
«表示小区业务上行激活因子 (一般取为 1 ); UlInterFactor表示相邻小区对本小区的上行干扰因子; P=10A((Eb/N0 )/10 ) ;
R表示接纳业务的目标速率。 较佳地, 公式 3中的负荷估计因子 还可以根据公式 5确定:
Q = (1 + UlInterFactor) ; ~ 公式
其中, 为第 i条无线链路中的用户解调需要的码片信噪比- 较佳地, 基站可确定本小区的 RTWP值与本小区的业务负荷增量的差值作为本小 区的参考 RTWP值; 基站根据上述确定的本小区的参考 RTWP值进行 HSUPA业务调度; 基站可通过 控制器接收到基站上报的小区的参考 RTWP值, 并根据该小区的参考 RTWP值进行
RRM的接纳控制和负荷控制算法决策。 考虑到邻小区干扰对本小区容量的影响,为了更精确的确定小区的参考 RTWP值, 较佳地, 基站还可以根据以下步骤确定本小区的参考 RTWP值: 基站确定本小区的 RTWP值与本小区的业务负荷增量的差值作为本小区的 RTWP 中间值, 并将确定的本小区的 RTWP中间值上报至无线网络控制器进行校正处理; 无线网络控制器接收到基站上报的本小区的 RTWP中间值后, 根据下列公式对该 小区的 RTWP中间值进行校正处理: 校正后 7WP中间值= RTWPi -校正因 {RTWPi - RTWP^间 {|) ....公式 6; 其中, 校正因子=邻小区干扰因子 +预设的增量; 邻小区的干扰因子为经验值, 可 根据需要设定, 一般取为 0.65, 邻小区的干扰因子也可以作为一个可调整参数根据实 际场景进行动态配置; 预设的增量也为经验值, 可根据需要设定, 一般取 1。 无线网络控制器确定校正后的 RTWP中间值作为该小区的参考 RTWP值,并将确 定的该小区的参考 RTWP值通过物理共享信道重配置发送至该小区对应的基站; 基站将收到的校正后的 RTWP中间值作为本小区的参考 RTWP值。 无线网络控制器接收到基站上报的, 并根据该小区的参考 RTWP值进行 RRM的 接纳控制和负荷控制算法决策; 基站可根据接收到的无线网络控制器确定的对应小区 的参考 RTWP值进行 HSUPA业务调度。 基于同一发明构思, 本发明实施例中还提供了一种基站, 由于该基站解决问题的 原理与图 1所示的无线接入网络中参考 RTWP的确定方法相似, 因此该基站的实施可 以参见如图 1所示的方法的实施, 重复之处不再赘述。 本发明实施例提供了一种基站, 如图 2所示, 该基站包括: 确定模块 20, 设置为确定本小区内的业务负荷增量。 处理模块 21,设置为根据本小区的总接收宽带功率 RTWP值和本小区的业务负荷 增量, 确定本小区的参考 RTWP值。 较佳地, 确定模块 20设置为: 确定本小区内的每条无线链路的接收功率值, 将所 有无线链路的接收功率值之和作为本小区的业务负荷增量。 较佳地, 确定模块 20设置为: 根据公式 2确定每条无线链路的接收功率值。 较佳地, 处理模块 21还设置为: 确定本小区的 RTWP值与本小区的业务负荷增 量的差值作为本小区的参考 RTWP值。 较佳地, 处理模块 21还设置为: 确定本小区的 RTWP值与本小区的业务负荷增 量的差值作为本小区的 RTWP中间值,并将确定的本小区的 RTWP中间值上报至无线 网络控制器进行校正处理; 将收到的校正后的 RTWP中间值作为本小区的参考 RTWP 值。 本发明实施例还提供了一种无线接入网络中参考 RTWP的确定方法, 如图 3A所 示, 该方法包括以下步骤。
5301、无线网络控制器获取由基站根据小区的 RTWP值与该小区的业务负荷增量 确定的该小区的 RTWP中间值。
5302、 无线网络控制器根据邻小区的干扰对 RTWP中间值进行校正处理, 并确定 校正后的 RTWP中间值作为该小区的参考 RTWP值。 较佳地, 步骤 S301中的 RTWP中间值为本小区的 RTWP值与本小区的业务负荷 增量的差值。 需要说明的是, 本实施例中确定小区的业务负荷增量的过程与图 1所示的实施例 中确定小区的业务负荷增量的过程相同, 此处不再赘述。 较佳地, 步骤 S302中无线网络控制器根据公式 6对 RTWP中间值进行校正处理, 并确定校正后的 RTWP中间值作为该小区的参考 RTWP值。 较佳地, 如图 3B所示, 无线网络控制器确定校正后的 RTWP中间值作为本小区 的参考 RTWP值之后, 还包括:
5303、 无线网络控制器将确定的参考 RTWP值发送至基站。 基于同一发明构思, 本发明实施例中还提供了一种无线网络控制器, 由于该无线 网络控制器解决问题的原理与图 3A或图 3B所示的无线接入网络中参考 RTWP的确 定方法相似,因此该无线网络控制器的实施可以参见如图 3A或图 3B所示的方法的实 施, 重复之处不再赘述。 本发明实施例提供了一种无线网络控制器, 如图 4A所示, 该无线网络控制器包 括: 接收模块 40,设置为获取由基站根据本小区的 RTWP值与本小区的业务负荷增量 确定的本小区的 RTWP中间值; 校正模块 41, 设置为根据邻小区的干扰对 RTWP中间值进行校正处理, 并确定校 正后的 RTWP中间值作为本小区的参考 RTWP值。 较佳地, RTWP中间值为本小区的 RTWP值与本小区的业务负荷增量的差值。 较佳地, 校正模块 41设置为: 根据公式 6对 RTWP中间值进行校正处理。 较佳地, 如图 4B所示, 该无线网络控制器还包括: 发送模块 42, 设置为将校正模块 41确定的参考 RTWP值发送至基站。 下面结合附图对 TD-SCDMA***中由 NodeB确定参考 RTWP值的方法进行详细 描述, 如图 5所示, 该方法包括以下步骤。 S501、 NodeB计算本小区内每条无线链路 RL (Radio Link) 的接收功率。 下面以每条无线链路在 DPCCH (Dedicated Physical Control Channel, 专用物理控 制信道) 的接收功率为例对每条无线链路的接收功率的计算进行说明。 每条无线链路 在 DPCCH的接收功率可以根据 NodeB测量得到的每条无线链路在本小区的 DPCCH 的信干比 SIR (可由 NodeB实时测量)及 NodeB测量得到的本小区的接收总宽带码功 率 RTWP值 (可由 NodeB实时测量) 确定; 具体地, 基站根据公式 2确定每条无线链路在 DPCCH的接收功率。
5502、 NodeB将本小区内每条无线链路的接收功率进行累加求和, 从而确定出由 于业务产生本小区负荷增量。
5503、 NodeB将本小区的总接收宽带功率 RTWP值与本小区负荷增量的差值作为 本小区的参考 RTWP值。 进一步, NodeB可根据 S503确定的本小区的参考 RTWP值确定本小区的负荷, 从而进行 HSUPA业务调度。
NodeB可通过公共测量报告将其确定的本小区的参考 RTWP值上报给无线网络控 制器; 无线网络控制器可根据 NodeB上报的该小区的参考 RTWP值进行 RRM的接纳 控制及负荷控制算法决策。 本发明实施例的上述方法同样也适用于 WCDMA及其他***中小区的参考 RTWP 值的确定, WCDMA***中确定小区的参考 RTWP值的方法与上述实施例的方法类似, 具体过程请参阅 TD-SCDMA***中小区的参考 RTWP值的确定, 此处不再赘述。 下面以 WCDMA***为例, 对 NodeB和无线网络控制器共同确定参考 RTWP值 的方法进行详细说明; 如图 6所示, 该方法包括以下步骤。
5601、 NodeB根据公式 2计算小区内每条无线链路的接收功率。
5602、 NodeB将小区内每条无线链路的接收功率进行累加求和, 从而确定出由于 业务产生本小区负荷增量, 并将本小区的总接收宽带功率 RTWP值与本小区负荷增量 的差值作为本小区的 RTWP中间值。 S603、 NodeB将步骤 S602确定的本小区 RTWP中间值通过公共测量报告上报给 无线网络控制器。
S604、 无线网络控制器对 NodeB上报的该 RTWP中间值根据邻小区干扰按照公 式 6进行校正处理, 并确定校正后的 RTWP中间值作为该小区的参考 RTWP值。 进行邻小区的干扰校正主要是考虑到邻小区干扰对本小区容量的影响。 S605、无线网络控制器根据步骤 S604确定的小区的参考 RTWP值进行 RRM算法 决策。
5606、 无线网络控制器通过物理共享信道重配置将步骤 S604确定的小区的参考 RTWP值发送给 NodeB。
5607, NodeB根据收到的无线网络控制器配置的小区的参考 RTWP值进行 HSUPA 业务的调度。 本发明实施例的上述方法同样也适用于 TD-SCDMA及其他***中由 NodeB和无 线网络控制器共同确定小区的参考 RTWP值, TD-SCDMA由 NodeB和无线网络控制 器共同确定小区的参考 RTWP 值的方法与上述实施例的方法类似, 具体过程请参阅 WCDMA***中由 NodeB和无线网络控制器共同确定小区的参考 RTWP值的方法, 此处不再赘述。 工业实用性 本发明技术方案根据本小区的 RTWP值和该本小区的业务负荷增量, 确定该本小 区的参考 RTWP值, 能够更加准确、有效地确定本小区的参考 RTWP值, 使得确定的 本小区的参考 RTWP值误差小,从而根据本小区的参考 RTWP值确定的本小区的负荷 的误差也较小。 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、 ***、 或计算机程 序产品。 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。 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。 本发明是参照根据本发明实施例的方法、设备(***)、和计算机程序产品的流程 图和 I或方框图来描述的。 应理解可由计算机程序指令实现流程图和 I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。 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。 这些计算机程序指令也可存储在能弓 I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。 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。 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, 则可对这些实施例做出另外的变更和修改。 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。 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。 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。

Claims

权 利 要 求 书 、 一种确定无线接入网络中参考 RTWP的方法, 包括: 基站确定本小区内的业务负荷增量;
所述基站根据所述本小区的总接收宽带功率 RTWP值和所述本小区的业务 负荷增量, 确定所述本小区的参考 RTWP值。 、 如权利要求 1所述的方法, 其中, 所述基站确定本小区内的业务负荷增量, 包 括:
所述基站确定本小区内的每条无线链路的接收功率值, 将所有所述无线链 路的接收功率值之和作为所述本小区的业务负荷增量。 、 如权利要求 1至 2中任一项所述的方法, 其中, 所述基站确定所述本小区的参 考 RTWP值, 包括:
所述基站确定所述本小区的 RTWP值与本小区的业务负荷增量的差值作为 所述本小区的参考 RTWP值。 、 如权利要求 1至 2中任一项所述的方法, 其中, 所述基站确定所述本小区的参 考 RTWP值, 包括:
所述基站确定所述本小区的 RTWP值与本小区的业务负荷增量的差值作为 所述本小区的 RTWP中间值,并将确定的本小区的 RTWP中间值上报至无线网 络控制器进行校正处理;
所述基站将收到的校正后的 RTWP 中间值作为所述本小区的参考 RTWP 值。 、 如权利要求 4所述的方法, 其中, 所述无线网络控制器根据下列公式对所述基 站确定的 RTWP中间值进行校正处理:
校正后的 R7W中间值 = R7W值 -校正因子 X (R7W值 - RTWP中间值)
, 其中, 校正因子=邻小区干扰因子 +预设的增量。 、 一种确定无线接入网络中参考 RTWP的方法, 包括:
无线网络控制器获取由基站根据本小区的 RTWP值与本小区的业务负荷增 量确定的所述本小区的 RTWP中间值; 所述无线网络控制器根据邻小区的干扰对所述 RTWP 中间值进行校正处 理, 并确定校正后的 RTWP中间值作为所述本小区的参考 RTWP值。 、 如权利要求 6所述的方法,其中, 所述 RTWP中间值为所述本小区的 RTWP值 与本小区的业务负荷增量的差值。 、 如权利要求 6或 7所述的方法, 其中, 所述无线网络控制器根据下列公式对所 述 RTWP中间值进行校正处理:
校正后的 中间值 = 值 -校正因子 X (R7W值 - 中间值)
, 其中, 校正因子=邻小区干扰因子 +预设的增量。 、 如权利要求 8所述的方法, 其中, 所述无线网络控制器确定校正后的 RTWP中 间值作为本小区的参考 RTWP值之后, 还包括:
所述无线网络控制器将确定的参考 RTWP值发送至所述基站。 0、 一种基站, 包括:
确定模块, 设置为确定本小区内的业务负荷增量;
处理模块, 设置为根据所述本小区的总接收宽带功率 RTWP值和所述本小 区的业务负荷增量, 确定所述本小区的参考 RTWP值。 1、 如权利要求 10所述的基站, 其中, 所述确定模块设置为:
确定本小区内的每条无线链路的接收功率值, 将所有所述无线链路的接收 功率值之和作为所述本小区的业务负荷增量。 、 如权利要求 10至 11中任一项所述的基站, 其中, 所述处理模块还设置为: 确 定所述本小区的 RTWP值与本小区的业务负荷增量的差值作为所述本小区的参 考 RTWP值。 3、 如权利要求 10至 11中任一项所述的基站, 其中, 所述处理模块还设置为: 确 定所述本小区的 RTWP 值与本小区的业务负荷增量的差值作为所述本小区的 RTWP中间值, 并将确定的本小区的 RTWP中间值上报至无线网络控制器进行 校正处理; 将收到的校正后的 RTWP中间值作为所述本小区的参考 RTWP值。 、 一种无线网络控制器, 包括:
接收模块, 设置为获取由基站根据本小区的 RTWP值与本小区的业务负荷 增量确定的所述本小区的 RTWP中间值; 校正模块, 设置为根据邻小区的干扰对所述 RTWP中间值进行校正处理, 并确定校正后的 RTWP中间值作为所述本小区的参考 RTWP值。 、 如权利要求 14所述的无线网络控制器, 其中, 所述校正模块设置为: 根据下列 公式对所述 RTWP中间值进行校正处理:
校正后的 中间值 = 值 -校正因子 X (R7W值 - 中间值)
, 其中, 校正因子=邻小区干扰因子 +预设的增量。 、 如权利要求 14或 15所述的无线网络控制器, 其中, 所述无线网络控制器还包 括:
发送模块, 设置为将所述校正模块确定的参考 RTWP值发送至所述基站。
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101207791A (zh) * 2006-12-22 2008-06-25 阿尔卡特朗讯公司 用于向交互式电视视频流动态添加应用的***和装置
CN101227211A (zh) * 2007-01-19 2008-07-23 中兴通讯股份有限公司 接收总宽带功率校准方法和装置
CN101562878A (zh) * 2008-04-18 2009-10-21 中兴通讯股份有限公司 一种码分多址通信***中小区上行负荷的汇报方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050043034A1 (en) * 2003-08-22 2005-02-24 Abdel-Ghaffar Hisham S. Method of providing or receiving cell load information using at least dual periodicity
WO2007117188A1 (en) * 2006-04-10 2007-10-18 Telefonaktiebolaget Lm Ericsson (Publ) Methods and arrangements for noise rise estimation
CN101523775B (zh) * 2006-10-06 2012-04-11 艾利森电话股份有限公司 用于改进的噪声基底估计的方法和设备
CN101431351B (zh) * 2007-11-07 2013-05-08 中兴通讯股份有限公司 节点b获取调度增强专用信道可用功率的方法
CN101959233B (zh) * 2010-09-30 2016-08-03 中兴通讯股份有限公司 扇区调度方法、节点b及无线网络控制器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101207791A (zh) * 2006-12-22 2008-06-25 阿尔卡特朗讯公司 用于向交互式电视视频流动态添加应用的***和装置
CN101227211A (zh) * 2007-01-19 2008-07-23 中兴通讯股份有限公司 接收总宽带功率校准方法和装置
CN101562878A (zh) * 2008-04-18 2009-10-21 中兴通讯股份有限公司 一种码分多址通信***中小区上行负荷的汇报方法

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