WO2011015152A1 - 一种上行导频干扰的上报方法、***和装置 - Google Patents

一种上行导频干扰的上报方法、***和装置 Download PDF

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Publication number
WO2011015152A1
WO2011015152A1 PCT/CN2010/075777 CN2010075777W WO2011015152A1 WO 2011015152 A1 WO2011015152 A1 WO 2011015152A1 CN 2010075777 W CN2010075777 W CN 2010075777W WO 2011015152 A1 WO2011015152 A1 WO 2011015152A1
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WO
WIPO (PCT)
Prior art keywords
time slot
uplink pilot
pilot time
interference
uplink
Prior art date
Application number
PCT/CN2010/075777
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English (en)
French (fr)
Inventor
郭保娟
张大钧
Original Assignee
大唐移动通信设备有限公司
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.)
Filing date
Publication date
Application filed by 大唐移动通信设备有限公司 filed Critical 大唐移动通信设备有限公司
Priority to US13/382,931 priority Critical patent/US10117262B2/en
Priority to EP10806056.7A priority patent/EP2464159B1/en
Publication of WO2011015152A1 publication Critical patent/WO2011015152A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to a method, system and apparatus for reporting uplink pilot interference. Background technique
  • the design method of the base station tends to separate the baseband from the radio frequency, and the baseband remote base station is the base station separated from the radio frequency.
  • the distribution modes of the Baseband Unit (BBU) and the Remote Radio Unit (RRU) have been widely used.
  • the radio network controller needs to know which cell portion the terminal is located in, so that the initial transmission power of the terminal can be determined according to the corresponding access control and RRM (Radio Resource Management) policy. Assign specific frequencies, time slots, and code channel resources.
  • RRM Radio Resource Management
  • the network controller also needs to know the location change of the terminal in real time, thereby performing effective DCA (Dynamic Channel Allocation), and the RRM optimization strategy can effectively improve the entire system. Throughput and resource utilization.
  • the reporting of the common measurement by the base station is based on the form of the cell portion. That is to say, based on the original, a report based on the cell portion is added. It mainly includes 6 measurements: the transmit power of the cell portion based on the cell portion, the total power of the receive bandwidth based on the cell portion, and the cell portion-based not used for the HS-PDSCH (High Speed Physical Downlink Shared Channel).
  • HS-PDSCH High Speed Physical Downlink Shared Channel
  • HS-SCCH High-Speed shared control channel
  • E-AGCH E-DCH Absolute Grant Channel
  • E-HCH E-DCH HARQ Acknowledgement Indicator Channel
  • E-HICH DCH uplink fast (HARQ) acknowledgment indicator channel
  • transmission carrier power of all code channels of the channel power required by cell portion based HS-DSCH (High-Speed Downlink Shared Channel), based on cell
  • the bit rate provided by the HS-DSCH of the portion and the reception of the cell portion based on the cell portion are E-DCH power sharing.
  • the TDD system has a dedicated measurement of UpPTS (Slot Pilot Time slot interference), and there is no corresponding report form in the FDD system. Summary of the invention
  • An embodiment of the present invention provides a method, system, and apparatus for reporting uplink pilot interference, which is used to implement measurement of an uplink pilot time slot by a base station and send it to a radio network controller.
  • the method for reporting uplink pilot interference is applied to a TDD system, and includes:
  • the base station measures uplink pilot slot interference based on the sub-cell
  • the base station Sending, by the base station, the uplink pilot time slot interference to the radio network controller, and carrying the corresponding primary sub-cell identifier corresponding to the uplink pilot time slot interference, so that the radio network controller is configured according to the uplink pilot
  • the slot interference and the home sub-cell identity select a transmission location of the uplink pilot slot.
  • the TDD system for transmitting uplink pilot time slot interference includes: a base station, configured to measure a sub-cell-based uplink pilot time slot interference, send the uplink pilot time slot interference to a radio network controller, and carry a corresponding primary sub-cell identifier corresponding to the uplink pilot time slot interference;
  • a radio network controller configured to receive the uplink pilot time slot interference measured and sent by the base station, and a local sub-cell identifier corresponding to the carried uplink pilot time slot interference; according to the received uplink pilot time slot The interference, and the local sub-cell identifier corresponding to the uplink pilot time slot interference, select a transmission position of the uplink pilot time slot; and notify the base station and the terminal of the transmission position of the selected uplink pilot time slot.
  • the base station provided by the embodiment of the present invention is applied to a TDD system, and includes:
  • a measuring module configured to measure uplink pilot time slot interference based on a sub-cell
  • a sending module configured to send the uplink pilot time slot interference measured by the measurement module to a radio network controller, and carry the uplink sub-cell identifier corresponding to the uplink pilot time slot interference, so that the wireless network
  • the controller selects a transmission location of the uplink pilot time slot according to the uplink pilot time slot interference and the home sub-cell identity.
  • the radio network controller provided by the embodiment of the present invention is applied to a TDD system, and includes: a receiving module, configured to receive an uplink pilot time slot interference sent by a base station, and a local sub-cell identifier corresponding to the uplink pilot time slot interference;
  • a first selecting module configured to select a sending position of the uplink pilot time slot according to the uplink pilot time slot interference and the local sub-cell identity.
  • the embodiment of the present invention measures the UpPTS interference by the base station and sends it to the radio network controller, thereby implementing the reporting of the dedicated measurement of the UpPTS interference by the TDD system, and enabling the radio network controller to select the sending position of the UpPTS according to the received UpPTS interference.
  • the radio network controller it is not necessary for any of the products of the embodiments of the present invention to achieve all of the advantages described above.
  • FIG. 1 is a flowchart of a method for transmitting an uplink pilot time slot interference according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a method for transmitting an uplink pilot time slot interference according to another embodiment of the present invention.
  • FIG. 4 is a flowchart of a method for transmitting an uplink pilot time slot interference according to another embodiment of the present invention.
  • FIG. 5 is a flowchart of a method for transmitting an uplink pilot time slot interference according to another embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of an RNC according to an embodiment of the present invention. detailed description
  • the base station measures the uplink pilot time slot interference based on the sub cell, and sends the uplink pilot time slot interference to the radio network controller, and carries the uplink.
  • the pilot time slot interferes with the corresponding home sub-cell identifier, so that the radio network controller selects a transmission position of the uplink pilot time slot according to the uplink pilot time slot interference and the home sub-cell identity.
  • An embodiment of the present invention provides a method for transmitting uplink pilot time slot interference. As shown in FIG. 1, the specific steps are as follows:
  • Step 101 The base station measures UpPTS interference (ie, UpPTS interference) based on the sub-cell.
  • UpPTS interference ie, UpPTS interference
  • Step 102 The base station sends the UpPTS interference to the RNC, and carries the home sub-cell identifier corresponding to the UpPTS interference, so that the RNC selects the sending position of the UpPTS interference according to the UpPTS interference and the home sub-cell identifier.
  • the embodiment of the present invention measures the UpPTS interference by the base station and sends it to the radio network controller, thereby implementing the reporting of the dedicated measurement of the UpPTS interference by the TDD system, and enabling the radio network controller to select the sending position of the UpPTS according to the received UpPTS interference.
  • Another embodiment of the present invention provides a method for transmitting an uplink pilot time slot interference UpPTS interference, where the RNC selects a transmission position of an uplink pilot time slot UpPTS by means of an averaging method, as shown in FIG. 2, and the specific steps are as follows:
  • Step 201 The base station performs an UpPTS interference measurement.
  • the base station performs common measurement UpPTS interference measurement based on the cell portion for the UpPTS interference measurement position corresponding to each uplink time slot, wherein each uplink time slot may have more than one UpPTS interference measurement position, that is, there is more than one optional UpPTS transmission position. .
  • Step 202 The base station sends an UpPTS interference measurement.
  • the obtained UpPTS interference measurement Pij needs to be sent to the RNC.
  • the sending, by the base station, the UpPTS interference measurement includes the following steps: a) The base station sorts the measurement results.
  • the base station transmits an UpPTS interference measurement.
  • the base station sends the UpPTS interference measurement Pij of each UpPTS interference measurement position of each of the sorted cell portions in the above step a) to the RNC, and the transmission format thereof is as shown in Table 1.
  • the UpPTS interference value is the UpPTS interference value measured by the base station, and the cell portion identifier is used to identify each cell portion. It can be seen from Table 1 that the base station carries the cell portion identifier to which the UpPTS interference belongs when reporting the UpPTS interference, and the attribution of each UpPTS interference is known by the cell portion identifier.
  • Step 203 The RNC determines, according to the mean value method, a location of the UpPTS transmission of the cell.
  • the RNC After receiving all UpPTS interference measurements Pij sent by the base station, the RNC determines the UpPTS transmission position of the current cell according to the measurement result of each UpPTS interference measurement position of each cell portion that is sent, and minimizes the Pij value (ie, minimizes interference) of UpPTS interference.
  • the measurement location is sent to the UpPTS as the UpPTS transmission location, thereby ensuring the success rate of the UpPTS access.
  • the method of averaging is taken as an example for description.
  • the RNC determines, according to the measurement result Pij of each UpPTS interference measurement location of each cell portion that is sent, the location of the UpPTS transmission of the cell includes the following steps: (1) Calculate the mean value of each UpPTS interference measurement position UpPTS interference.
  • the RNC receives all UpPTS interference measurements Pij in step 201 sent by the base station, and calculates the mean value of the UpPTS interference measurement Pij of the same UpPTS interference measurement position of different cell portions, where 4 ⁇ is set to Paver, j, where Paver, j represents m cell parts in the cell.
  • the mean Paverj of the UpPTS interference measurement of different UpPTS interference measurement positions obtained in the above step (1) select the smallest UpPTS interference, and the value Paver, min, the Paver, min corresponds to the UpPTS interference measurement position.
  • the cell UpPTS transmits the location, and the UpPTS transmission locations of all the cell parts in the cell are the same.
  • Step 204 The RNC notifies the base station and the UpPTS transmission location selected by the terminal. After the above selection, the RNC determines the UpPTS transmission position. Subsequently, the RNC notifies the base station and the terminal of the selected UpPTS transmission location. When the RNC notifies the base station, it is mainly carried in the following four high-level signaling: COMMON TRANSPORT CHANNEL RECONFIGURATION REQUEST, AUDIT RESPONSE, COMMON MEASUREMENT INITIATION REQUEST and RESOURCE STATUS INDICATION.
  • the embodiment of the present invention measures the UpPTS interference by the base station and transmits it to the radio network controller, thereby implementing the reporting of the dedicated measurement of the UpPTS interference by the TDD system, and enabling the radio network controller to select the sending position of the UpPTS according to the received UpPTS interference.
  • Another embodiment of the present invention provides a method for transmitting an uplink pilot time slot interference UpPTS interference, where the RNC selects a transmission position of an uplink pilot time slot by using an exclusion method, as shown in FIG. 3, and the specific steps are as follows:
  • Step 301 The base station performs an UpPTS interference measurement.
  • the base station bases the UpPTS corresponding to each uplink time slot based on the cell portion
  • the interference measurement position is used to measure the common measurement UpPTS interference.
  • Step 302 The base station sends an UpPTS interference measurement.
  • the obtained UpPTS interference measurement Pij needs to be sent to the RNC.
  • the sending, by the base station, the UpPTS interference measurement includes the following steps: a) The base station sorts the measurement results.
  • the base station transmits an UpPTS interference measurement.
  • the base station sends the UpPTS interference measurement Pij of each UpPTS interference measurement position of each of the sorted cell portions in the above step a) to the RNC, and the transmission format is as shown in Table 2.
  • UpPTS interference value is the UpPTS interference measured by the base station.
  • the value, cell portion identifier is used to identify each cell portion. As shown in Table 2, when the base station reports the UpPTS interference, the base station carries the cell portion interface to which the UpPTS interference belongs, and passes the cell portion label and affiliates each UpPTS interference.
  • Step 303 The RNC determines, according to the direct exclusion, the location of the UpPTS transmission of the local cell.
  • the RNC After receiving all UpPTS interference measurements Pij sent by the base station, the RNC determines the UpPTS transmission position of the current cell according to the measurement result of each UpPTS interference measurement position of each cell portion that is sent, and minimizes the Pij value (ie, minimizes interference) of UpPTS interference.
  • the measurement location is sent to the UpPTS as the UpPTS transmission location, thereby ensuring the success rate of the UpPTS access.
  • the direct elimination method is taken as an example for description.
  • the RNC determines, according to the measurement result Pij of each UpPTS interference measurement location of each cell portion that is sent, the location of the UpPTS transmission of the cell includes the following steps:
  • the RNC receives all UpPTS interference measurements Pij in step 301 sent by the base station, and sorts according to the size of the Pij value, and the order of sorting may be from small to large, or from large to small.
  • the location of the UpPTS interference measurement is determined to be the location of the UpPTS of the cell, and the location of the UpPTS of all the cell parts in the cell is the same.
  • two UpPTS interference measurement locations each correspond to 2 UpPTS interference measurements, where the first UpPTS interference measurement location corresponds to 2
  • the UpPTS interference measurements are PI 1 and PI 2; the two UpPTS interference measurements corresponding to the second UpPTS interference measurement position are P21 and P22.
  • the four UpPTS interference measurements are arranged in descending order, which are P11, P21, P22, and P12.
  • the UpPTS interference measurement corresponding to the first UpPTS interference measurement position one is the largest and the other is the minimum.
  • Select UpPTS interference to measure the largest P11, and exclude the first UpPTS interference measurement position corresponding to P11.
  • only one UpPTS interference measurement position remains, and the UpPTS interference measurement position is selected as the UpPTS transmission position of all cell portions of the cell.
  • the first UpPTS interference measurement position corresponds to the P12 with the smallest UpPTS interference measurement, the maximum P11 is present, and the UpPTS interference measurement position is still excluded.
  • Step 304 The RNC notifies the base station and the UpPTS transmission location selected by the terminal. After the above selection, the RNC determines the UpPTS transmission position. Subsequently, the RNC notifies the base station and the terminal of the selected UpPTS transmission location. When the RNC notifies the base station, it is mainly carried in the following four IEs: COMMON TRANSPORT CHANNEL RECONFIGURATION REQUEST, AUDIT RESPONSE, COMMON
  • the embodiment of the present invention measures the UpPTS interference by the base station and transmits it to the radio network controller, thereby implementing the reporting of the dedicated measurement of the UpPTS interference by the TDD system, and enabling the radio network controller to select the sending position of the UpPTS according to the received UpPTS interference.
  • Another embodiment of the present invention provides a method for transmitting an uplink pilot time slot interference UpPTS interference, where the RNC selects a transmission position of an uplink pilot time slot by means of an averaging method and a traffic amount, as shown in FIG. , Specific steps are as follows:
  • Step 401 The base station performs an UpPTS interference measurement.
  • Step 402 The base station sends an UpPTS interference measurement.
  • the obtained UpPTS interference measurement Pij needs to be sent to the RNC.
  • the sending, by the base station, the UpPTS interference measurement includes the following steps: a) The base station sorts the measurement results.
  • the base station transmits an UpPTS interference measurement.
  • the base station sends the UpPTS interference measurement Pij of each UpPTS interference measurement position of each of the sorted cell portions in the above step a) to the RNC, and the transmission format is as shown in Table 3.
  • UpPTS interference value is the UpPTS interference value measured by the base station, and the cell portion identifier is used to identify each cell portion.
  • the base station is When the UpPTS interference is reported, the cell part that belongs to the UpPTS interference belongs to the i, and only the UpPTS interference belongs to the cell.
  • Step 403 The RNC determines, according to the method of combining the mean value method and the traffic volume, the location of the UpPTS transmission of the local cell.
  • the RNC After receiving all UpPTS interference measurements Pij sent by the base station, the RNC determines the UpPTS transmission position of the current cell according to the measurement result of each UpPTS interference measurement position of each cell portion that is sent, and minimizes the Pij value (ie, minimizes interference) of UpPTS interference.
  • the measurement location is sent to the UpPTS as the UpPTS transmission location, thereby ensuring the success rate of the UpPTS access.
  • the RNC determines, according to the measurement result Pij of each UpPTS interference measurement location of each cell portion that is sent, the location of the UpPTS transmission of the cell includes the following steps:
  • the RNC learns the uplink time slot with a large amount of traffic according to the allocated traffic volume of each uplink time slot, and excludes the UpPTS interference measurement position corresponding to the uplink time slot.
  • the UpPTS interference measurement location corresponding to the uplink time slot with a large amount of traffic is excluded, including any one of the following two situations:
  • the RNC calculates the mean value of the UpPTS interference of the UpPTS interference measurement position corresponding to each of the remaining uplink time slots.
  • the RNC receives all UpPTS interference measurements Pij in step 401 sent by the base station, and removes the UpPTS interference measurement position corresponding to the uplink time slot excluded in the above step (1), and calculates UpPTS of each UpPTS interference measurement position in the remaining uplink time slots of different cell portions.
  • the interference measures the mean value of Pij, where ⁇ is Paverj, where Paverj represents the jth UpPTS interference of the m cell parts in the cell, and the quantity ⁇ UpPTS interference is 0 ⁇ J ⁇ J value.
  • the smallest UpPTS interference measurement mean Paver, min is selected, and the UpPTS interference measurement position corresponding to the Paver, min is The location is sent to the UpPTS of the cell, and the UpPTS transmission locations of all the cell parts in the cell are the same.
  • Step 404 The RNC notifies the base station and the UpPTS transmission location selected by the terminal. After the above selection, the RNC determines the UpPTS transmission position. Subsequently, the RNC notifies the base station and the terminal of the selected UpPTS transmission location. When the RNC notifies the base station, it is mainly carried in the following four IEs: COMMON TRANSPORT CHANNEL RECONFIGURATION REQUEST, AUDIT RESPONSE, COMMON
  • the embodiment of the present invention measures the UpPTS interference by the base station and transmits it to the radio network controller, thereby implementing the reporting of the dedicated measurement of the UpPTS interference by the TDD system, and enabling the radio network controller to select the sending position of the UpPTS according to the received UpPTS interference.
  • Another embodiment of the present invention provides a method for transmitting an uplink pilot time slot interference UpPTS interference, where the RNC selects a transmission position of an uplink pilot time slot by using a combination of an exclusion method and a traffic quantity, as shown in FIG. Specific steps are as follows:
  • Step 501 The base station performs an UpPTS interference measurement.
  • Step 502 The base station sends an UpPTS interference measurement.
  • the obtained UpPTS interference measurement Pij needs to be sent to the RNC.
  • the sending, by the base station, the UpPTS interference measurement includes the following steps: a) The base station sorts the measurement results.
  • the base station transmits an UpPTS interference measurement.
  • the base station sends the UpPTS interference measurement Pij of each UpPTS interference measurement position of each of the sorted cell portions in the above step a) to the RNC, and the transmission format is as shown in Table 4.
  • Step 503 The RNC determines the location of the UpPTS transmission in the cell according to the method of directly excluding the method and the traffic volume.
  • the RNC After receiving all UpPTS interference measurements Pij sent by the base station, the RNC determines the UpPTS transmission position of the current cell according to the measurement result of each UpPTS interference measurement position of each cell portion that is sent, and minimizes the Pij value (ie, minimizes interference) of UpPTS interference.
  • the measurement location is sent to the UpPTS as the UpPTS transmission location, thereby ensuring the success rate of the UpPTS access.
  • the RNC determines, according to the measurement result Pij of each UpPTS interference measurement location of each cell portion that is sent, the location of the UpPTS transmission of the cell includes the following steps:
  • the RNC learns the uplink time slot with a large amount of traffic according to the allocated traffic of each uplink time slot, and excludes the UpPTS interference measurement position corresponding to the uplink time slot.
  • the RNC receives all UpPTS interference measurements in step 501 of the base station transmission.
  • the UpPTS interference measurement Pij of the UpPTS interference measurement position in the remaining uplink time slots sorted in the above step (2) selects the Pij having the largest Pij value, and excludes the UpPTS interference measurement position corresponding to the Pij, and repeats the step continuously until the step is obtained.
  • the remaining UpPTS interference measurement location determines that the UpPTS interference measurement location is the UpPTS transmission location of the cell, and the UpPTS transmission locations of all the cell portions in the cell are the same.
  • Step 504 The RNC notifies the base station and the UpPTS transmission location selected by the terminal. After the above selection, the RNC determines the UpPTS transmission position. Subsequently, the RNC notifies the base station and the terminal of the selected UpPTS transmission location. When the RNC notifies the base station, it is mainly carried in the following four IEs: COMMON TRANSPORT CHANNEL RECONFIGURATION REQUEST, AUDIT RESPONSE, COMMON
  • the embodiment of the present invention measures the UpPTS interference by the base station and transmits it to the radio network controller, thereby implementing the reporting of the dedicated measurement of the UpPTS interference by the TDD system, and enabling the radio network controller to select the sending position of the UpPTS according to the received UpPTS interference.
  • the embodiment of the invention provides a TDD system for transmitting uplink pilot time slot interference UpPTS interference, including:
  • the base station is configured to measure the UpPTS interference of the sub-cell; send the UpPTS interference to the RNC, and carry the belonging sub-cell identifier corresponding to the UpPTS interference, so that the RNC selects the sending position of the UpPTS according to the UpPTS interference and the home sub-cell identifier.
  • the RNC is configured to receive the UpPTS interference sent by the base station, and the UpPTS interference is measured and sent by the base station, and the home sub-cell identifier corresponding to the carried UpPTS interference; and the UpPTS is selected according to the received UpPTS interference and the belonging sub-cell identifier corresponding to the carried UpPTS interference.
  • the base station 60 in the system, as shown in FIG. 6, specifically includes:
  • a measuring module 61 configured to measure a sub-cell based UpPTS interference
  • the sending module 62 is configured to send the UpPTS interference measured by the measurement module 61 to the RNC, and carry the local sub-cell identifier corresponding to the UpPTS interference, so that the RNC selects the sending location of the UpPTS according to the UpPTS interference and the home sub-cell identifier.
  • the RNC70 in the system includes:
  • the receiving module 71 is configured to receive an UpPTS interference sent by the base station and a local sub-cell identifier corresponding to the UpPTS interference.
  • the first selecting module 72 is configured to select a sending location of the UpPTS according to the UpPTS interference and the home sub-cell identifier.
  • the first selection module 72 is specifically configured to:
  • the UpPTS interference is sorted; the UpPTS interference measurement position corresponding to the maximum UpPTS interference in the sequence is sequentially excluded according to the order until the last UpPTS interference measurement position remains; and the remaining last UpPTS interference measurement position is selected as the transmission position of the UpPTS.
  • the second selection module 73 is configured to select a sending location of the UpPTS according to the traffic volume of the uplink time slot in which the UpPTS interference measurement location is located.
  • the second selection module 73 is specifically configured to:
  • the sending module 74 is configured to notify the base station and the terminal by carrying the sending location in the identifier.
  • the embodiment of the present invention measures the UpPTS interference by the base station and sends it to the radio network controller, thereby implementing the reporting of the dedicated measurement UpPTS interference of the TDD system, and enabling the radio network controller to select the sending position of the UpPTS according to the received UpPTS interference.
  • any of the products of the embodiments of the present invention does not necessarily require all of the advantages described above to be achieved at the same time.
  • the present invention can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is a better implementation. the way.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium, including a plurality of instructions for making a A terminal device (which may be a cell phone, a personal computer, a server, or a network device, etc.) performs the methods described in various embodiments of the present invention.

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Abstract

本发明的实施例公开了一种上行导频干扰的上报方法、***和装置，应用于TDD***，包括基站测量基于子小区的上行导频时隙干扰； 所述基站将所述上行导频时隙干扰发送给无线网络控制器， 并携带所述上行导频时隙干扰对应的归属子小区标识，以使所述无线网络控制器根据所述上行导频时隙干扰以及所述归属子小区标识选择上行导频时隙的发送位置。通过本发明，实现了TDD***特有专用测量的上报。

Description

一种上行导频干扰的上报方法、 ***和装置 本申请要求以下中国专利申请的优先权：
于 2009年 8月 6日提交中国专利局， 申请号为 200910090756.9, 发明名称为 "一种发送上行导频时隙干扰的方法、 ***和装置" 的中 国专利申请， 其全部内容通过引用结合在本申请中。 技术领域
本发明涉及无线通信技术领域，特别是涉及一种上行导频干扰的 上报方法、 ***和装置。 背景技术
随着第三代移动通信技术的发展 ,基站的设计方法趋向于基带与 射频分离，基带拉远型基站就是基带与射频分离的基站。 在基带拉远 型基站***中， 基带处理单元（BBU, Base Band Unit )与射频远端 单元（ RRU, Remote RF Unit ) 的分布方式得到了广泛的应用。 出现 了一个小区中采用多个智能天线的应用场景，甚至出现了一个小区中 的多通道同时支持通道化应用和智能天线的应用场景。
针对每个特定的天线组覆盖，可以定义一个子小区（ cell portion ), 通过 cell portion ID 力。以识另 无线网络控制器 （Radio Network Controller , RNC )需要知道终端位于哪个 cell portion, 这样可以根 据相应的接入控制及 RRM ( Radio resource management , 无线资源管 理）策略， 确定终端的初始发射功率， 分配具体的频率、 时隙和码道 资源等。 此外， 随着终端在不同覆盖区的移动， 网络控制器也需要实 时了解终端的位置变化， 从而进行有效的 DCA ( Dynamic Channel Allocation, 动态信道分配）， 通过这些 RRM优化策略可以有效提高 整个***的吞吐量和资源利用率。
在 FDD ( Frequency-Division Duplex, 频分双工） ***中， 如果 支持 cell portion,基站对公共测量的上报都是基于 cell portion的形式， 即在原来的基础上增加了基于 cell portion的上报。主要包括 6个测量： 基于 cell portion的发送载波功率、基于 cell portion的接收带宽总功率、 基于 cell portion 的没有用于 HS-PDSCH ( High Speed Physical Downlink Shared Channel, 高速物理下行链路共享信道）、 HS-SCCH ( High-Speed shared control channel , 高速共享控制信）、 E-AGCH ( E-DCH Absolute Grant Channel, E-DCH绝对许可信道）、 E-HICH ( E-DCH HARQ Acknowledgement Indicator Channel, E-DCH上行链 路快速（HARQ )确认指示信道）信道的所***道的发送载波功率、 基于 cell portion的 HS-DSCH ( High-Speed Downlink Shared Channel, 高速下行链路共享信道)需要的功率、 基于 cell portion的 HS-DSCH 提供的比特速率以及基于 cell portion的接收调度 E-DCH功率共享。
在实现本发明的过程中， 发明人发现现有技术至少存在如下问 题：
TDD***特有的专用测量 UpPTS干扰（Uplink Pilot Time slot interference, 上行导频时隙干扰）， 在 FDD***中没有相应的上报形 式。 发明内容
本发明的实施例提供一种上行导频干扰的上报方法、 ***和装 置， 用以实现基站测量上行导频时隙并发送给无线网络控制器。
本发明实施例提供的上行导频干扰的上报方法， 应用于 TDD系 统， 包括：
基站测量基于子小区的上行导频时隙干扰；
所述基站将所述上行导频时隙干扰发送给无线网络控制器，并携 带所述上行导频时隙干扰对应的归属子小区标识，以使所述无线网络 控制器根据所述上行导频时隙干扰以及所述归属子小区标识选择上 行导频时隙的发送位置。
本发明实施例提供的发送上行导频时隙干扰的 TDD***，包括： 基站， 用于测量基于子小区的上行导频时隙干扰； 将所述上行导 频时隙干扰发送给无线网络控制器，并携带所述上行导频时隙干扰对 应的归属子小区标识；
无线网络控制器，用于接收所述基站测量并发送的所述上行导频 时隙干扰， 以及携带的所述上行导频时隙干扰对应的归属子小区标 识； 根据接收的上行导频时隙干扰， 以及所述上行导频时隙干扰对应 的归属子小区标识选择上行导频时隙的发送位置；将所选择的上行导 频时隙的发送位置通知给所述基站和终端。
本发明实施例提供的基站， 应用于 TDD***， 包括：
测量模块， 用于测量基于子小区的上行导频时隙干扰；
发送模块，用于将所述测量模块测量的所述上行导频时隙干扰发 送给无线网络控制器，并携带所述上行导频时隙干扰对应的归属子小 区标识，以使所述无线网络控制器根据所述上行导频时隙干扰以及所 述归属子小区标识选择上行导频时隙的发送位置。
本发明实施例提供的无线网络控制器，应用于 TDD***， 包括： 接收模块，用于接收基站发送的上行导频时隙干扰以及所述上行 导频时隙干扰对应的归属子小区标识；
第一选择模块，用于根据所述上行导频时隙干扰以及所述归属子 小区标识选择上行导频时隙的发送位置。
本发明的实施例通过基站测量 UpPTS interference并发送给无线 网络控制器， 从而实现了 TDD***特有专用测量 UpPTS interference 的上报， 并使无线网络控制器根据所接收的 UpPTS interference选择 UpPTS 的发送位置。 当然， 实施本发明的实施例的任一产品并不一 定需要同时达到以上所述的所有优点。 附图说明
图 1 为本发明的一个实施例中一种发送上行导频时隙干扰方法 的流程图；
图 2 为本发明的另一实施例中一种发送上行导频时隙干扰方法 的流程图；
图 3 为本发明的另一实施例中一种发送上行导频时隙干扰方法 的流程图；
图 4 为本发明的另一实施例中一种发送上行导频时隙干扰方法 的流程图；
图 5 为本发明的另一实施例中一种发送上行导频时隙干扰方法 的流程图；
图 6为本发明实施例中一种基站的结构示意图；
图 7为本发明实施例中一种 RNC的结构示意图。 具体实施方式
为解决现有技术的上述问题， 本发明的实施例中，基站测量基于 子小区的上行导频时隙干扰，将所述上行导频时隙干扰发送给无线网 络控制器， 并携带所述上行导频时隙干扰对应的归属子小区标识， 以 使所述无线网络控制器根据所述上行导频时隙干扰以及所述归属子 小区标识选择上行导频时隙的发送位置。
下面将结合本发明中的附图， 对本发明中的技术方案进行清楚、 完整的描述， 显然， 所描述的实施例是本发明的一部分实施例， 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 有做出创造性劳动的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。
本发明的一个实施例提供了一种发送上行导频时隙干扰的方法， 如图 1所示， 具体步骤如下：
步骤 101、基站测量基于子小区的 UpPTS interference (即 UpPTS 干扰）。
步骤 102、基站将 UpPTS interference发送给 RNC,并携带 UpPTS interference 对应的归属子小区标识， 以使 RNC 根据 UpPTS interference以及归属子小区标识选择 UpPTS interference的发送位置。 本发明的实施例通过基站测量 UpPTS interference并发送给无线 网络控制器， 从而实现了 TDD***特有专用测量 UpPTS interference 的上报， 并使无线网络控制器根据所接收的 UpPTS interference选择 UpPTS的发送位置。
本发明的另一实施例提供了一种发送上行导频时隙干扰 UpPTS interference的方法， 其中 RNC通过均值法选择上行导频时隙 UpPTS 的发送位置， 如图 2所示， 具体步骤如下：
步骤 201、 基站进行 UpPTS interference测量。
基站基于 cell portion 针对每个上行时隙对应的 UpPTS interference测量位置进行公共测量 UpPTS interference的测量， 其中 每个上行时隙可以有不止一个 UpPTS interference测量位置， 即就是 有不止一个可选的 UpPTS发送位置。
具体的， 4叚设小区内有 n个 cell portion, 每个 cell portion中有 m 个 UpPTS interference测量位置， 假设所获得的测量结果为 Pij , 其中 i=l ...n, 表示第 i个 cell portion, n为本小区内 cell portion的总数； j 表示第 j 个 UpPTS interference 测量位置， m 为本小区内 UpPTS interference测量位置的总数； 贝1 J Pij表示第 i个 cell portion第 j个 UpPTS interference测量位置的 UpPTS interference测量， 可知共有 m*n个 Pij。
步骤 202、 基站发送 UpPTS interference测量。
基站进行 UpPTS interference 测量后， 需要将所得的 UpPTS interference测量 Pij发送给 RNC。
具体的， 基站发送 UpPTS interference测量包括以下步骤： a )基站对测量结果进行排序。
当基站获得每个 cell portion每个 UpPTS interference测量位置的
UpPTS interference测量 Pij时， 对所有的 Pij进行排序， 排序的原则 可以按照 Pij值的大小进行排序，也可以按照 Pij所对应的 cell portion ID进行排序。
b )基站发送 UpPTS interference测量。 基站将上述步骤 a ) 中经排序的每个 cell portion每个 UpPTS interference测量位置的 UpPTS interference测量 Pij发送给 RNC, 其 发送格式如表 1所示。
表 1： UpPTS interference发送格式
Cell Portions歹 'J表
>Cell Portion标识
>UpPTS interference数值 其中， UpPTS interference数值为基站所测量的 UpPTS interference 值， cell portion标识用于标识每个 cell portion。 由表 1可知， 基站在 上报 UpPTS interference 时携带该 UpPTS interference 所属的 cell portion标识, 通过该 cell portion标识可知每个 UpPTS interference的 归属。
步骤 203、 RNC根据均值法判断本小区 UpPTS发送位置。
RNC接收到基站发送的所有 UpPTS interference测量 Pij后， 根 据发送的每个 cell portion的每个 UpPTS interference测量位置的测量 结果对本小区 UpPTS发送位置进行确定，将 Pij值最小（即干扰最小 ) 的 UpPTS interference测量位置作为 UpPTS发送位置发送 UpPTS ,从 而保证 UpPTS的接入成功率。
通过每个 cell portion的每个 UpPTS interference测量位置的测量 结果确定 UpPTS发送位置的方法有多种， 例如均值法， 直接排除法， 还可以采用将业务量与上述两种方法相结合的方式。
本发明实施例中以均值法为例进行说明。
具体的， RNC 根据发送的每个 cell portion 的每个 UpPTS interference测量位置的测量结果 Pij判断本小区 UpPTS发送位置包括 以下步骤： ( 1 )计算每个 UpPTS interference测量位置 UpPTS interference 的均值。
RNC接收基站发送的步骤 201 中所有 UpPTS interference测量 Pij , 计算不同 cell portion同一 UpPTS interference测量位置的 UpPTS interference测量 Pij的均值， 4叚设为 Paver,j , 其中 Paver,j表示小区内 m个 cell portion 的第 j 个 UpPTS interference测量位置的 UpPTS interference测量的均值。
( 2 )选择 UpPTS发送位置。
根据上述步骤（ 1 )中所得的不同 UpPTS interference测量位置的 UpPTS interference 测量的均值 Paverj , 选择其中最小的 UpPTS interference 则量 ^值 Paver,min , 贝l该 Paver,min 对应 UpPTS interference测量位置即为本小区 UpPTS发送位置， 并且小区内所有 的 cell portion的 UpPTS发送位置相同。
步骤 204、 RNC通知基站和终端所选择的 UpPTS发送位置。 通过上述的选择后， RNC确定了 UpPTS发送位置。 随后， RNC 将所选择的 UpPTS发送位置通知给基站和终端。 RNC通知给基站时， 主要在以下四个高层信令中携带： COMMON TRANSPORT CHANNEL RECONFIGURATION REQUEST, AUDIT RESPONSE, COMMON MEASUREMENT INITIATION REQUEST 以 及 RESOURCE STATUS INDICATION。
本发明的实施例通过基站测量 UpPTS interference并发送给无线 网络控制器， 从而实现了 TDD***特有专用测量 UpPTS interference 的上报， 并使无线网络控制器根据所接收的 UpPTS interference选择 UpPTS的发送位置。
本发明的另一实施例提供了一种发送上行导频时隙干扰 UpPTS interference的方法， 其中 RNC通过排除法选择上行导频时隙的发送 位置， 如图 3所示， 具体步骤如下：
步骤 301、 基站进行 UpPTS interference测量。
基站基于 cell portion 针对每个上行时隙对应的 UpPTS interference测量位置进行公共测量 UpPTS interference的测量。
具体的， 4叚设小区内有 n个 cell portion, 每个 cell portion中有 m 个 UpPTS interference测量位置， 假设所获得的测量结果为 Pij , 其中 i=l --- n, 表示第 i个 cell portion, n为本小区内 cell portion的总数； j 表示第 j 个 UpPTS interference 测量位置， m 为本小区内 UpPTS interference测量位置的总数； 贝1 J Pij表示第 i个 cell portion第 j个 UpPTS interference测量位置的 UpPTS interference测量， 可知共有 m*n个 Pij。
步骤 302、 基站发送 UpPTS interference测量。
基站进行 UpPTS interference 测量后， 需要将所得的 UpPTS interference测量 Pij发送给 RNC。
具体的， 基站发送 UpPTS interference测量包括以下步骤： a )基站对测量结果进行排序。
当基站获得每个 cell portion每个 UpPTS interference测量位置的 UpPTS interference测量 Pij时， 对所有的 Pij进行排序， 排序的原则 可以按照 Pij值的大小进行排序，也可以按照 Pij所对应的 cell portion ID进行排序。
b )基站发送 UpPTS interference测量。
基站将上述步骤 a ) 中经排序的每个 cell portion每个 UpPTS interference测量位置的 UpPTS interference测量 Pij发送给 RNC, 其 发送格式如表 2所示。
表 2： UpPTS interference发送格式
Cell Portions歹 'J表
>Cell Portion标识
>UpPTS interference数值 其中， UpPTS interference数值为基站所测量的 UpPTS interference 值， cell portion标识用于标识每个 cell portion。 由表 2可知， 基站在 上报 UpPTS interference 时携带该 UpPTS interference 所属的 cell portion标口、, 通过该 cell portion标口、可 口每个 UpPTS interference的 归属。
步骤 303、 RNC根据直接排除判断本小区 UpPTS发送位置。
RNC接收到基站发送的所有 UpPTS interference测量 Pij后， 根 据发送的每个 cell portion的每个 UpPTS interference测量位置的测量 结果对本小区 UpPTS发送位置进行确定，将 Pij值最小（即干扰最小 ) 的 UpPTS interference测量位置作为 UpPTS发送位置发送 UpPTS ,从 而保证 UpPTS的接入成功率。
通过每个 cell portion的每个 UpPTS interference测量位置的测量 结果确定 UpPTS发送位置的方法有多种， 例如均值法， 直接排除法， 还可以采用将业务量与上述两种方法相结合的方式。
本发明实施例中以直接排除法为例进行说明。
具体的， RNC 根据发送的每个 cell portion 的每个 UpPTS interference测量位置的测量结果 Pij判断本小区 UpPTS发送位置包括 以下步骤：
( 1 )将 UpPTS interference测量结果排序。
RNC接收基站发送的步骤 301 中所有 UpPTS interference测量 Pij , 并按照 Pij值的大小进行排序， 排序的顺序可以由小到大， 或由 大到小。
( 2 )选择 UpPTS发送位置。
从上述步骤（ 1 ) 中排序后的所有 UpPTS interference测量 Pij中 选择 Pij值最大的 Pij ,将该 Pij对应的 UpPTS interference测量位置排 除，不断地重复该步骤，直到获得剩余的最后一个 UpPTS interference 测量位置，确定该 UpPTS interference测量位置即为本小区 UpPTS发 送位置， 并且小区内所有的 cell portion的 UpPTS发送位置相同。
例如， 两个 UpPTS interference 测量位置各对应 2 个 UpPTS interference测量， 其中第一个 UpPTS interference测量位置对应的 2 个 UpPTS interference测量为 PI 1和 PI 2; 第二个 UpPTS interference 测量位置对应的 2个 UpPTS interference测量为 P21和 P22。 将 4个 UpPTS interference测量按照由大到小的顺序排列，为 Pll、 P21、 P22、 P12。 此时， 第一个 UpPTS interference 测量位置对应的 UpPTS interference测量, 一个为最大, 一个为最小。选择 UpPTS interference 测量最大的 P11 , 并将 P11对应的第一个 UpPTS interference测量位 置排除。 此时， 仅剩余一个 UpPTS interference 测量位置， 选择该 UpPTS interference测量位置为本小区所有 cell portion的 UpPTS发送 位置。
需要说明的是， 尽管上述第一个 UpPTS interference测量位置同 时对应了一个 UpPTS interference测量最小的 P12, 但由于存在一个 最大的 P11 , 此时， 仍将该 UpPTS interference测量位置排除。
步骤 304、 RNC通知基站和终端所选择的 UpPTS发送位置。 通过上述的选择后， RNC确定了 UpPTS发送位置。 随后， RNC 将所选择的 UpPTS发送位置通知给基站和终端。 RNC通知给基站时， 主要在以下四个 IE 中携带： COMMON TRANSPORT CHANNEL RECONFIGURATION REQUEST, AUDIT RESPONSE, COMMON
INDICATION
本发明的实施例通过基站测量 UpPTS interference并发送给无线 网络控制器， 从而实现了 TDD***特有专用测量 UpPTS interference 的上报， 并使无线网络控制器根据所接收的 UpPTS interference选择 UpPTS的发送位置。
本发明的另一实施例提供了一种发送上行导频时隙干扰 UpPTS interference的方法， 其中 RNC通过均值法与业务量相结合的方式选 择上行导频时隙的发送位置， 如图 4所示， 具体步骤如下：
步骤 401、 基站进行 UpPTS interference测量。
基站基于 cell portion 针对每个上行时隙对应的 UpPTS interference测量位置进行公共测量 UpPTS interference的测量。 具体的， 4叚设小区内有 η个 cell portion, 每个 cell portion中有 m 个 UpPTS interference测量位置， 假设所获得的测量结果为 Pij , 其中 i=l --- n, 表示第 i个 cell portion, n为本小区内 cell portion的总数； j 表示第 j 个 UpPTS interference 测量位置， m 为本小区内 UpPTS interference测量位置的总数； 贝1 J Pij表示第 i个 cell portion第 j个 UpPTS interference测量位置的 UpPTS interference测量， 可知共有 m*n个 Pij。
步骤 402、 基站发送 UpPTS interference测量。
基站进行 UpPTS interference 测量后， 需要将所得的 UpPTS interference测量 Pij发送给 RNC。
具体的， 基站发送 UpPTS interference测量包括以下步骤： a )基站对测量结果进行排序。
当基站获得每个 cell portion每个 UpPTS interference测量位置的 UpPTS interference测量 Pij时， 对所有的 Pij进行排序， 排序的原则 可以按照 Pij值的大小进行排序，也可以按照 Pij所对应的 cell portion ID进行排序。
b )基站发送 UpPTS interference测量。
基站将上述步骤 a ) 中经排序的每个 cell portion每个 UpPTS interference测量位置的 UpPTS interference测量 Pij发送给 RNC, 其 发送格式如表 3所示。
表 3： UpPTS interference发送格式
Cell Portions歹 'J表 >Cell Portion标识 >UpPTS interference数值 其中， UpPTS interference数值为基站所测量的 UpPTS interference 值， cell portion标识用于标识每个 cell portion。 由表 3可知， 基站在 上报 UpPTS interference 时携带该 UpPTS interference 所属的 cell portion标 i只, 通过该 cell portion标只可 口每个 UpPTS interference 归属。
步骤 403、 RNC根据均值法与业务量相结合的方式判断本小区 UpPTS发送位置。
RNC接收到基站发送的所有 UpPTS interference测量 Pij后， 根 据发送的每个 cell portion的每个 UpPTS interference测量位置的测量 结果对本小区 UpPTS发送位置进行确定，将 Pij值最小（即干扰最小 ) 的 UpPTS interference测量位置作为 UpPTS发送位置发送 UpPTS ,从 而保证 UpPTS的接入成功率。
通过每个 cell portion的每个 UpPTS interference测量位置的测量 结果确定 UpPTS发送位置的方法有多种， 例如均值法， 直接排除法， 还可以采用将业务量与上述两种方法相结合的方式。
本发明实施例中以均值法与业务量相结合的方式为例进行说明。 具体的， RNC 根据发送的每个 cell portion 的每个 UpPTS interference测量位置的测量结果 Pij判断本小区 UpPTS发送位置包括 以下步骤：
( 1 )排除业务量较大的上行时隙对应的 UpPTS interference测量 位置。
RNC根据所分配的每个上行时隙的业务量， 获知业务量较大的 上行时隙，并将该上行时隙对应的 UpPTS interference测量位置排除。
具体的， 排除业务量较大的上行时隙对应的 UpPTS interference 测量位置包括以下两种情况中的任一种：
( a )排除业务量最大的上行时隙对应的 UpPTS interference测量 位置。
( b )设定业务量阈值， 排除业务量大于业务量阈值的上行时隙 对应的 UpPTS interference测量位置。
( 2 )计算剩余每个上行时隙对应的 UpPTS interference测量位置 的 UpPTS interference的均值。 RNC接收基站发送的步骤 401 中所有 UpPTS interference测量 Pij , 除去上述步骤（1 ) 中排除的上行时隙对应的 UpPTS interference 测量位置， 计算不同 cell portion 剩余上行时隙中每个 UpPTS interference测量位置的 UpPTS interference测量 Pij的均值， 殳为 Paverj , 其中 Paverj表示小区内 m个 cell portion的第 j个 UpPTS interference则量位置 ό々 UpPTS interference则量 0々J^J值。
( 3 )选择 UpPTS发送位置。
根据上述步骤（2 ) 中所得的剩余上行时隙中 UpPTS interference 测量位置的 UpPTS interference测量的均值 Paverj , 选择其中最小的 UpPTS interference测量均值 Paver,min,则该 Paver,min对应的 UpPTS interference测量位置即为本小区 UpPTS发送位置， 并且小区内所有 的 cell portion的 UpPTS发送位置相同。
步骤 404、 RNC通知基站和终端所选择的 UpPTS发送位置。 通过上述的选择后， RNC确定了 UpPTS发送位置。 随后， RNC 将所选择的 UpPTS发送位置通知给基站和终端。 RNC通知给基站时， 主要在以下四个 IE 中携带： COMMON TRANSPORT CHANNEL RECONFIGURATION REQUEST, AUDIT RESPONSE, COMMON
INDICATION
本发明的实施例通过基站测量 UpPTS interference并发送给无线 网络控制器， 从而实现了 TDD***特有专用测量 UpPTS interference 的上报， 并使无线网络控制器根据所接收的 UpPTS interference选择 UpPTS的发送位置。
本发明的另一实施例提供了一种发送上行导频时隙干扰 UpPTS interference的方法， 其中 RNC通过排除法与业务量结合的方式选择 上行导频时隙的发送位置， 如图 5所示， 具体步骤如下：
步骤 501、 基站进行 UpPTS interference测量。
基站基于 cell portion 针对每个上行时隙对应的 UpPTS interference测量位置进行公共测量 UpPTS interference的测量。 具体的， 4叚设小区内有 η个 cell portion, 每个 cell portion中有 m 个 UpPTS interference测量位置， 假设所获得的测量结果为 Pij , 其中 i=l --- n, 表示第 i个 cell portion, n为本小区内 cell portion的总数； j 表示第 j 个 UpPTS interference 测量位置， m 为本小区内 UpPTS interference测量位置的总数； 贝1 J Pij表示第 i个 cell portion第 j个 UpPTS interference测量位置的 UpPTS interference测量， 可知共有 m*n个 Pij。
步骤 502、 基站发送 UpPTS interference测量。
基站进行 UpPTS interference 测量后， 需要将所得的 UpPTS interference测量 Pij发送给 RNC。
具体的， 基站发送 UpPTS interference测量包括以下步骤： a )基站对测量结果进行排序。
当基站获得每个 cell portion每个 UpPTS interference测量位置的 UpPTS interference测量 Pij时， 对所有的 Pij进行排序， 排序的原则 可以按照 Pij值的大小进行排序，也可以按照 Pij所对应的 cell portion ID进行排序。
b )基站发送 UpPTS interference测量。
基站将上述步骤 a ) 中经排序的每个 cell portion每个 UpPTS interference测量位置的 UpPTS interference测量 Pij发送给 RNC, 其 发送格式如表 4所示。
表 4： UpPTS interference发送格式
Cell Portions歹 'J表 >Cell Portion标识 >UpPTS interference数值 其中， UpPTS interference数值为基站所测量的 UpPTS interference 值， cell portion标只用于标只每个 cell portion。 由表 4可 口， 基站在 上报 UpPTS interference 时携带该 UpPTS interference 所属的 cell portion标口、, 通过该 cell portion标口、可 口每个 UpPTS interference的 归属。
步骤 503、 RNC根据直接排除法与业务量相结合的方式判断本小 区 UpPTS发送位置。
RNC接收到基站发送的所有 UpPTS interference测量 Pij后， 根 据发送的每个 cell portion的每个 UpPTS interference测量位置的测量 结果对本小区 UpPTS发送位置进行确定，将 Pij值最小（即干扰最小 ) 的 UpPTS interference测量位置作为 UpPTS发送位置发送 UpPTS ,从 而保证 UpPTS的接入成功率。
通过每个 cell portion的每个 UpPTS interference测量位置的测量 结果确定 UpPTS发送位置的方法有多种， 例如均值法， 直接排除法， 还可以采用将业务量与上述两种方法相结合的方式。
本发明实施例中以直接排除法与业务量相结合的方式为例进行 说明。
具体的， RNC 根据发送的每个 cell portion 的每个 UpPTS interference测量位置的测量结果 Pij判断本小区 UpPTS发送位置包括 以下步骤：
( 1 )排除业务量较大的上行时隙对应的 UpPTS interference测量 位置。
RNC 根据所分配的每个上行时隙的业务量， 获知业务量较大的 上行时隙，并将该上行时隙对应的 UpPTS interference测量位置排除。
( 2 ) 将剩余上行时隙中 UpPTS interference 测量位置对应的 UpPTS interference测量结果排序。
RNC接收基站发送的步骤 501 中所有 UpPTS interference测量
Pij , 除去上述步骤（ 1 ) 中排除的上行时隙对应的 UpPTS interference 测量位置， 对剩余上行时隙中 UpPTS interference 测量位置对应的 UpPTS interference测量结果排序， 排序的顺序可以由小到大， 或由 大到小。 ( 3 )选择 UpPTS发送位置。
从上述步骤（2 ) 中排序后的剩余上行时隙中 UpPTS interference 测量位置的 UpPTS interference测量 Pij选择 Pij值最大的 Pij , 将该 Pij对应的 UpPTS interference测量位置排除， 不断地重复该步骤， 直 到获得剩余的最后一个 UpPTS interference测量位置， 确定该 UpPTS interference测量位置即为本小区 UpPTS发送位置， 并且小区内所有 的 cell portion的 UpPTS发送位置相同。
步骤 504、 RNC通知基站和终端所选择的 UpPTS发送位置。 通过上述的选择后， RNC确定了 UpPTS发送位置。 随后， RNC 将所选择的 UpPTS发送位置通知给基站和终端。 RNC通知给基站时， 主要在以下四个 IE 中携带： COMMON TRANSPORT CHANNEL RECONFIGURATION REQUEST, AUDIT RESPONSE, COMMON
INDICATION
本发明的实施例通过基站测量 UpPTS interference并发送给无线 网络控制器， 从而实现了 TDD***特有专用测量 UpPTS interference 的上报， 并使无线网络控制器根据所接收的 UpPTS interference选择 UpPTS的发送位置。
本发明实施例提供一种发送上行导频时隙干扰 UpPTS interference的 TDD***， 包括：
基站， 用于测量基于子小区的 UpPTS interference; 将 UpPTS interference发送给 RNC, 并携带 UpPTS interference对应的归属子小 区标识，以使 RNC根据 UpPTS interference以及归属子小区标识选择 UpPTS的发送位置。
RNC , 用于接收基站发送的 UpPTS interference , UpPTS interference由基站测量并发送， 以及携带的 UpPTS interference对应 的归属子小区标识； 根据接收的 UpPTS interference , 以及携带的 UpPTS interference对应的归属子小区标识选择 UpPTS的发送位置； 将所选择的 UpPTS的发送位置通知给基站和终端。 该***中的基站 60 , 具体如图 6所示， 包括：
测量模块 61 , 用于测量基于子小区的 UpPTS interference;
发送模块 62, 用于将测量模块 61测量的 UpPTS interference发 送给 RNC, 并携带 UpPTS interference对应的归属子小区标识， 以使 RNC根据 UpPTS interference以及归属子小区标识选择 UpPTS的发 送位置。 该***中的 RNC70 , 具体如图 7所示， 包括：
接收模块 71 , 用于接收基站发送的 UpPTS interference 以及 UpPTS interference对应的归属子小区标识；
第一选择模块 72, 用于根据 UpPTS interference以及归属子小区 标识选择 UpPTS的发送位置。
第一选择模块 72具体用于：
获取 UpPTS interference 测量位置对应的不同子小区的 UpPTS interference的均值； 选择均值中的最小值对应的 UpPTS interference 测量位置作为 UpPTS的发送位置； 或
对 UpPTS interference进行排序； 根据排序依次排除序列中最大 UpPTS interference对应的 UpPTS interference测量位置， 直到剩余最 后一个 UpPTS interference 测量位置； 选择剩余的最后一个 UpPTS interference测量位置作为 UpPTS的发送位置。
还包括：
第二选择模块 73 , 用于根据 UpPTS interference测量位置所在的 上行时隙的业务量选择 UpPTS的发送位置。
第二选择模块 73具体用于：
排除业务量最大的上行时隙对应的 UpPTS interference 测量位 ； 或
设定业务量阈值；排除业务量大于阈值的上行时隙对应的 UpPTS interference测量位置。
还包括： 发送模块 74, 用于通过在标识中携带发送位置通知基站和终端。 本发明的实施例通过基站测量 UpPTS interference并发送给无线 网络控制器， 从而实现了 TDD***特有专用测量 UpPTS interference 的上报， 并使无线网络控制器根据所接收的 UpPTS interference选择 UpPTS 的发送位置。 当然， 实施本发明的实施例的任一产品并不一 定需要同时达到以上所述的所有优点。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解 到本发明可借助软件加必需的通用硬件平台的方式来实现， 当然也可 以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解， 本发明的技术方案本质上或者说对现有技术做出贡献的部分可以以 软件产品的形式体现出来， 该计算机软件产品存储在一个存储介质 中， 包括若干指令用以使得一台终端设备（可以是手机，个人计算机， 服务器， 或者网络设备等）执行本发明各个实施例所述的方法。
以上所述仅是本发明的优选实施方式， 应当指出， 对于本技术领 域的普通技术人员来说， 在不脱离本发明原理的前提下， 还可以做出 若干改进和润饰， 这些改进和润饰也应视本发明的保护范围。

Claims

权利要求
1、 一种上行导频干扰的上报方法， 应用于 TDD***， 其特征在 于， 包括：
基站测量基于子小区的上行导频时隙干扰；
所述基站将所述上行导频时隙干扰发送给无线网络控制器，并携 带所述上行导频时隙干扰对应的归属子小区标识，以使所述无线网络 控制器根据所述上行导频时隙干扰以及所述归属子小区标识选择上 行导频时隙的发送位置。
2、 如权利要求 1所述的方法， 其特征在于， 所述无线网络控制 器根据所述上行导频时隙干扰以及所述归属子小区标识选择上行导 频时隙的发送位置， 包括：
所述无线网络控制器根据每个子小区的每个上行导频时隙干扰 测量位置的测量结果对本小区上行导频时隙发送位置进行确定，将测 量结果值最小的上行导频时隙干扰测量位置作为上行导频时隙发送 位置。
3、 如权利要求 2所述的方法， 其特征在于， 所述无线网络控制 器将测量结果值最小的上行导频时隙干扰测量位置作为上行导频时 隙发送位， 包括：
所述无线网络控制器获取所述上行导频时隙干扰测量位置对应 的不同子小区的上行导频时隙干扰的均值；所述无线网络控制器选择 所述均值中的最小值对应的上行导频时隙干扰测量位置作为上行导 频时隙的发送位置； 或
所述无线网络控制器对所述上行导频时隙干扰进行排序； 所述无线网络控制器根据排序结果依次排除序列中最大上行导 频时隙干扰对应的上行导频时隙干扰测量位置，直到剩余最后一个上 行导频时隙干扰测量位置；所述无线网络控制器选择剩余的最后一个 上行导频时隙干扰测量位置作为上行导频时隙的发送位置。
4、 如权利要求 3所述的方法， 其特征在于， 所述无线网络控制 器选择所述均值中的最小值对应的上行导频时隙干扰测量位置作为 上行导频时隙的发送位置之前， 还包括： 所述无线网络控制器排除业 务量最大的上行时隙对应的上行导频时隙干扰测量位置； 或者， 所述 无线网络控制器排除所述业务量大于设定业务量阈值的上行时隙对 应的上行导频时隙干扰测量位置；
所述无线网络控制器选择上行导频时隙的发送位置时，除去所排 除的上行时隙对应的上行导频时隙干扰测量位置，获取其余上行导频 时隙干扰测量位置对应的不同子小区的上行导频时隙干扰的均值，选 择所述均值中的最小值对应的上行导频时隙干扰测量位置作为上行 导频时隙的发送位置。
5、 如权利要求 3所述的方法， 其特征在于， 所述无线网络控制 器选择所述均值中的最小值对应的上行导频时隙干扰测量位置作为 上行导频时隙的发送位置之前， 还包括： 所述无线网络控制器排除业 务量大的上行时隙对应的上行导频时隙干扰测量位置；
所述无线网络控制器选择上行导频时隙的发送位置时，除去所排 除的上行时隙对应的上行导频时隙干扰测量位置，将剩余的上行导频 时隙干扰进行排序，根据排序结果依次排除序列中最大上行导频时隙 干扰对应的上行导频时隙干扰测量位置，直到剩余最后一个上行导频 时隙干扰测量位置，选择剩余的最后一个上行导频时隙干扰测量位置 作为上行导频时隙的发送位置。
6、 如权利要求 1所述的方法， 其特征在于， 所述无线网络控制 器根据所述上行导频时隙干扰以及所述归属子小区标识选择上行导 频时隙的发送位置之后， 还包括：
所述无线网络控制器通过在高层信令中携带所述发送位置，将所 述发送位置通知给所述基站和终端。
7、一种发送上行导频时隙干扰的 TDD***，其特征在于， 包括： 基站， 用于测量基于子小区的上行导频时隙干扰； 将所述上行导 频时隙干扰发送给无线网络控制器，并携带所述上行导频时隙干扰对 应的归属子小区标识； 无线网络控制器，用于接收所述基站测量并发送的所述上行导频 时隙干扰， 以及携带的所述上行导频时隙干扰对应的归属子小区标 识； 根据接收的上行导频时隙干扰， 以及所述上行导频时隙干扰对应 的归属子小区标识选择上行导频时隙的发送位置；将所选择的上行导 频时隙的发送位置通知给所述基站和终端。
8、 一种基站， 应用于 TDD***， 其特征在于， 包括：
测量模块， 用于测量基于子小区的上行导频时隙干扰；
发送模块，用于将所述测量模块测量的所述上行导频时隙干扰发 送给无线网络控制器，并携带所述上行导频时隙干扰对应的归属子小 区标识，以使所述无线网络控制器根据所述上行导频时隙干扰以及所 述归属子小区标识选择上行导频时隙的发送位置。
9、一种无线网络控制器，应用于 TDD***，其特征在于， 包括： 接收模块，用于接收基站发送的上行导频时隙干扰以及所述上行 导频时隙干扰对应的归属子小区标识；
第一选择模块，用于根据所述上行导频时隙干扰以及所述归属子 小区标识选择上行导频时隙的发送位置。
10、 如权利要求 9所述的无线网络控制器， 其特征在于， 所述第 一选择模块具体用于：
获取所述上行导频时隙干扰测量位置对应的不同子小区的所述 上行导频时隙干扰的均值；选择所述均值中的最小值对应的所述上行 导频时隙干扰测量位置作为所述上行导频时隙的所述发送位置； 或 对所述上行导频时隙干扰进行排序；根据所述排序依次排除序列 到剩余最后一个所述上行导频时隙干扰测量位置；选择所述剩余的最 后一个上行导频时隙干扰测量位置作为所述上行导频时隙的所述发 送位置。
11、如权利要求 9所述的无线网络控制器，其特征在于，还包括： 第二选择模块，用于根据所述上行导频时隙干扰测量位置所在的 上行时隙的业务量选择上行导频时隙的发送位置。
12、 如权利要求 11所述的无线网络控制器， 其特征在于， 所述 第二选择模块具体用于： 位置； 或
设定业务量阈值；排除所述业务量大于所述阈值的所述上行时隙 对应的所述上行导频时隙干扰测量位置。
13、如权利要求 9所述的无线网络控制器，其特征在于，还包括： 发送模块，用于通过在标识中携带所述发送位置通知所述基站和 终端。
PCT/CN2010/075777 2009-08-06 2010-08-06 一种上行导频干扰的上报方法、***和装置 WO2011015152A1 (zh)

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EP2464159B1 (en) 2019-01-02
EP2464159A4 (en) 2016-10-12
US20120106390A1 (en) 2012-05-03

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