CN108282889B - Method for improving resource utilization rate in distributed system - Google Patents
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- H—ELECTRICITY
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- H04W72/50—Allocation or scheduling criteria for wireless resources
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- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
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Abstract
本申请公开了一种在分布式系统中提高资源利用率的方法，包括：基站配置传输点的信道状态信息参考符号CSI‑RS资源时，对相邻传输点的CSI‑RS资源，采用部分进行零功率配置，部分进行非零功率配置的方式；基站根据传输点接收的UE的信号能量的大小，判断UE所属的传输点；基站根据相邻传输点接收的UE的信号能量的大小，判断UE受相邻传输点干扰的大小；如果相邻传输点对UE的干扰大于设定门限，则基站为该UE分配相邻传输点进行零功率配置的CSI‑RS资源，否则，为该UE分配相邻传输点进行非零功率配置的CSI‑RS资源。应用本申请公开的技术方案，能够能够避开干扰，同时节省CSI‑RS资源。
The present application discloses a method for improving resource utilization in a distributed system. Zero-power configuration, partially non-zero-power configuration; the base station determines the transmission point to which the UE belongs according to the signal energy of the UE received by the transmission point; the base station determines the UE according to the signal energy of the UE received by the adjacent transmission points. The magnitude of the interference by the adjacent transmission points; if the interference of the adjacent transmission points to the UE is greater than the set threshold, the base station allocates the CSI-RS resources for the adjacent transmission points to perform zero-power configuration for the UE, otherwise, allocates the UE with the corresponding CSI-RS resources. CSI-RS resources configured by neighboring transmission points with non-zero power. By applying the technical solutions disclosed in the present application, interference can be avoided and CSI-RS resources can be saved at the same time.
Description
技术领域technical field
本申请涉及通信技术领域，特别涉及一种在分布式系统中提高资源利用率的方法。The present application relates to the field of communication technologies, and in particular, to a method for improving resource utilization in a distributed system.
背景技术Background technique
在某些采用分布式的通信系统中，一般是一个基带处理单元(BBU)带多个射频拉远单元(RRU)。BBU的下行数据由多个RRU发送，RRU接收的数据也都提交给BBU进行处理。图1为现有分布式通信系统的示意图。In some distributed communication systems, it is generally a baseband processing unit (BBU) with multiple remote radio units (RRU). The downlink data of the BBU is sent by multiple RRUs, and the data received by the RRUs are also submitted to the BBU for processing. FIG. 1 is a schematic diagram of an existing distributed communication system.
为提高通信系统的传输能力，5G中采用大规模天线进行数据的传输，为节省资源，采用了信道状态信息参考符号(CSI-RS)进行信道的测量。根据现有技术，LTE多天线传输中两端口的CSI-RS有20种模式，四端口的CSI-RS有10种模式，8端口的CSI-RS有5种模式。In order to improve the transmission capability of the communication system, large-scale antennas are used for data transmission in 5G. In order to save resources, channel state information reference symbols (CSI-RS) are used for channel measurement. According to the prior art, in LTE multi-antenna transmission, there are 20 modes for two-port CSI-RS, 10 modes for four-port CSI-RS, and 5 modes for 8-port CSI-RS.
按照现有技术，当一个传输点配置了CSI-RS资源后，为了避免干扰，该传输点的相邻传输点会在相应的资源位置进行零功率传输，以使相邻传输点的CSI-RS互相避开干扰，这样将导致一些资源的浪费。According to the prior art, after a transmission point is configured with CSI-RS resources, in order to avoid interference, the adjacent transmission points of the transmission point will perform zero-power transmission at the corresponding resource positions, so that the CSI-RS of the adjacent transmission points can be transmitted with zero power. Avoid mutual interference, which will lead to a waste of some resources.
发明内容SUMMARY OF THE INVENTION
本申请提供了一种在分布式系统中提高资源利用率的方法，以避开干扰，同时节省CSI-RS资源。The present application provides a method for improving resource utilization in a distributed system to avoid interference and save CSI-RS resources.
本申请公开了一种在分布式系统中提高资源利用率的方法，包括：The present application discloses a method for improving resource utilization in a distributed system, including:
基站配置传输点的信道状态信息参考符号CSI-RS资源时，对相邻传输点的CSI-RS资源，采用部分进行零功率配置，部分进行非零功率配置的方式；When the base station configures the channel state information reference symbol CSI-RS resource of the transmission point, the CSI-RS resource of the adjacent transmission point is partially configured with zero power and partially configured with non-zero power;
基站根据传输点接收的UE的信号能量的大小，判断UE所属的传输点；The base station determines the transmission point to which the UE belongs according to the magnitude of the signal energy of the UE received by the transmission point;
基站根据相邻传输点接收的UE的信号能量的大小，判断UE受相邻传输点干扰的大小；The base station judges the magnitude of the interference of the UE by the adjacent transmission points according to the magnitude of the signal energy of the UE received by the adjacent transmission points;
如果相邻传输点对UE的干扰大于设定门限，则基站为该UE分配相邻传输点进行零功率配置的CSI-RS资源，否则，为该UE分配相邻传输点进行非零功率配置的CSI-RS资源。If the interference of the adjacent transmission points to the UE is greater than the set threshold, the base station allocates CSI-RS resources for the adjacent transmission points to be configured with zero power to the UE; CSI-RS resources.
较佳的，在分布式通信系统中，所述传输点为射频拉远单元RRU。Preferably, in a distributed communication system, the transmission point is a remote radio unit RRU.
由上述技术方案可见，采用本申请提供的方法，在分布式通信系统中减少了零功率CSI-RS的配置，既能够避开干扰，也能够节省CSI-RS资源。It can be seen from the above technical solutions that the method provided by the present application reduces the configuration of zero-power CSI-RS in a distributed communication system, which can avoid interference and save CSI-RS resources.
附图说明Description of drawings
图1为现有分布式通信系统的示意图；1 is a schematic diagram of an existing distributed communication system;
图2为本发明两个UE分属远距离的RRU的示意图；2 is a schematic diagram of two UEs belonging to remote RRUs according to the present invention;
图3为本发明在分布式系统中提高资源利用率的方法的流程图。FIG. 3 is a flowchart of a method for improving resource utilization in a distributed system according to the present invention.
具体实施方式Detailed ways
为使本申请的目的、技术方案及优点更加清楚明白，以下参照附图并举实施例，对本申请作进一步详细说明。In order to make the purpose, technical solutions and advantages of the present application more clearly understood, the present application will be described in further detail below with reference to the accompanying drawings and examples.
本发明提出：在分布式通信系统中，每个传输点进行CSI-RS零功率点配置时，可以对相邻传输点的CSI-RS位置部分进行零功率配置，部分不进行零功率配置。通过判断UE相对传输点的位置，合理配置CSI-RS，既能够避开干扰，也能够节省资源。The present invention proposes that: in a distributed communication system, when each transmission point performs CSI-RS zero-power point configuration, the CSI-RS positions of adjacent transmission points may be partially configured with zero-power, and some of them may not be configured with zero-power. By judging the position of the UE relative to the transmission point and reasonably configuring the CSI-RS, it is possible to avoid interference and save resources.
在分布式系统中，根据每个RRU测量的用户的信号能量能够获知UE属于哪个RRU的覆盖范围。In a distributed system, the coverage of which RRU the UE belongs to can be known according to the signal energy of the user measured by each RRU.
假设UE1和UE2都属于RRU1的覆盖范围，如图2所示。RRU1中分配两个CSI-RS配置，分别表示为CSI-RS1和CSI-RS2。RRU2中进行CSI-RS零功率配置时，对CSI-RS1的位置进行零功率配置，对CSI-RS2的位置进行非零功率的配置。It is assumed that both UE1 and UE2 belong to the coverage of RRU1, as shown in FIG. 2 . Two CSI-RS configurations are allocated in RRU1, denoted as CSI-RS1 and CSI-RS2 respectively. When CSI-RS zero-power configuration is performed in RRU2, zero-power configuration is performed for the position of CSI-RS1, and non-zero-power configuration is performed for the position of CSI-RS2.
图2中，UE1和UE2属于RRU1，RRU2对UE1的接收功率低于门限值，所以RRU2的信号对UE1的干扰很小，因此，对UE1可以分配CSI-RS2，即使RRU2在CSI-RS2的位置没有进行零功率分配，也不会影响到UE1的信道测量。另一方面，RRU2对UE2的接收功率高于门限值，这种情况下说明RRU2对UE2的干扰很大，所以为了避免干扰，需要对UE2分配CSI-RS1，因为RRU2在CSI-RS1的位置已经进行了零功率的配置，因此能够避免对UE2信道测量的干扰。In Figure 2, UE1 and UE2 belong to RRU1, and the received power of RRU2 to UE1 is lower than the threshold value, so the interference of the signal of RRU2 to UE1 is very small. Therefore, CSI-RS2 can be allocated to UE1, even if RRU2 is in CSI-RS2 The location does not perform zero power allocation and does not affect the channel measurement of UE1. On the other hand, the received power of RRU2 to UE2 is higher than the threshold value. In this case, it means that the interference of RRU2 to UE2 is very large. Therefore, in order to avoid interference, CSI-RS1 needs to be allocated to UE2, because RRU2 is at the position of CSI-RS1. A zero-power configuration has been done so that interference with UE2 channel measurements can be avoided.
通过这种CSI-RS零功率配置，既可以避开相邻传输点的干扰，也可以节省资源。Through this CSI-RS zero-power configuration, interference from adjacent transmission points can be avoided and resources can be saved.
本发明可以应用于分布式通信系统，例如高铁、热点地区、集会场所等等。The present invention can be applied to distributed communication systems, such as high-speed railways, hotspots, meeting places and the like.
图3为本发明在分布式系统中提高资源利用率的方法的流程图，包括以下步骤：3 is a flowchart of a method for improving resource utilization in a distributed system according to the present invention, comprising the following steps:
步骤1：基站配置传输点的CSI-RS资源时，对相邻传输点的CSI-RS资源，采用部分进行零功率配置，部分进行非零功率配置的方式。Step 1: When the base station configures the CSI-RS resources of the transmission point, the CSI-RS resources of the adjacent transmission points are partially configured with zero power and partially configured with non-zero power.
步骤2：基站根据传输点接收的UE的信号能量的大小，判断UE所属的传输点。Step 2: The base station determines the transmission point to which the UE belongs according to the magnitude of the signal energy of the UE received by the transmission point.
步骤3：基站根据相邻传输点接收的UE的信号能量的大小，判断UE受相邻传输点干扰的大小。Step 3: The base station determines the magnitude of the interference of the UE by the adjacent transmission points according to the magnitude of the signal energy of the UE received by the adjacent transmission points.
步骤4：如果相邻传输点对UE的干扰大于设定门限，则基站为该UE分配相邻传输点进行零功率配置的CSI-RS资源，否则，为该UE分配相邻传输点进行非零功率配置的CSI-RS资源。Step 4: If the interference of the adjacent transmission points to the UE is greater than the set threshold, the base station allocates the CSI-RS resources of the adjacent transmission points to the UE for zero-power configuration, otherwise, allocates the adjacent transmission points to the UE for non-zero CSI-RS resources. Power-configured CSI-RS resources.
在分布式通信系统中，所述传输点为RRU。In a distributed communication system, the transmission point is an RRU.
以上所述仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本申请保护的范围之内。The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the present application. within the scope of protection.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103037395A (en) * | 2011-09-29 | 2013-04-10 | 华为技术有限公司 | Method for configuring channel state information-reference signal (CSI-RS) for multiple access points, base station and access points |
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