WO2014108069A1 - 一种业务消息的构造方法和装置 - Google Patents
一种业务消息的构造方法和装置 Download PDFInfo
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- WO2014108069A1 WO2014108069A1 PCT/CN2014/070308 CN2014070308W WO2014108069A1 WO 2014108069 A1 WO2014108069 A1 WO 2014108069A1 CN 2014070308 W CN2014070308 W CN 2014070308W WO 2014108069 A1 WO2014108069 A1 WO 2014108069A1
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- serving cell
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- 238000000034 method Methods 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 12
- 210000004027 cell Anatomy 0.000 description 150
- 238000005259 measurement Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 210000003719 b-lymphocyte Anatomy 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 210000003771 C cell Anatomy 0.000 description 2
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- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 1
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- 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
Definitions
- the central UE User Equipment
- a strong signal can be received in the local cell, and since the neighboring cell is far away, the signal interference of the neighboring cell is small, so the center is scheduled.
- the UE When the UE is in the UE, it can ensure good data transmission with the base station; and for the edge UE in the cell edge area, because it is far away from the central area of the serving cell and close to the neighboring cell, the edge UE is scheduled.
- the edge UE receives the serving cell with low power and is interfered by the neighboring cell signal, thereby affecting data transmission between the edge UE and the base station.
- Embodiments of the present invention provide a data transmission method and apparatus, to reduce interference of a neighboring cell to an edge UE during data transmission while scheduling an edge UE, and improve the edge The UE receives the serving cell power.
- a method of data transmission including:
- the base station determines an edge UE from the terminal UEs in the current serving cell
- the base station schedules the edge UE, construct a new serving cell for the edge UE, so that the edge UE is in a central area of the new serving cell;
- the constructing a new serving cell for the edge UE includes:
- the determining, by adjusting the current antenna configuration information corresponding to the current serving cell, to construct a new serving cell for the edge UE includes: :
- the method further includes: determining, according to location information of the edge UE, an antenna number of the first antenna group and an antenna number of the second antenna group.
- a sum of an antenna number of the first antenna group and an antenna number of the second antenna group corresponds to the current serving cell The number of antennas is equal.
- the method before the determining, by the base station, the edge UE from the UEs in the current serving cell, the method also includes:
- Determining, by the base station, the edge UE from the UEs in the current serving cell includes:
- a base station including:
- a processing unit configured to determine an edge UE from a terminal UE in a current serving cell; when the base station schedules the edge UE, construct a new serving cell for the edge UE, so that the edge UE is in a center of the new serving cell Area
- transceiver unit configured to perform data transmission with the edge UE in a new service area constructed by the processing unit.
- the processing unit is specifically configured to: Build a new service community.
- the processing unit is specifically configured to determine, by using an antenna corresponding to a current serving cell of the edge UE, a first antenna group, and Determining, by the antenna corresponding to the neighboring cell of the current serving cell of the edge UE, a second antenna group, determining, according to the first antenna group and the second antenna group, antenna configuration information of the new serving cell, and according to the The new serving cell antenna configuration information constructs the new serving cell for the edge UE.
- the processing unit is further configured to determine, according to location information of the edge UE, an antenna number of the first antenna group and the second The number of antennas in the antenna group.
- the sum of the number of antennas of the first antenna group and the number of antennas of the second antenna group and the number of antennas corresponding to the current serving cell equal.
- the transceiver unit is further configured to receive, by the UE in the current serving cell, Uplink reference signal;
- the processing unit is further configured to obtain a reference signal received power RSRP of the uplink reference signal of the UE, determine whether the RSRP is less than a preset threshold, and determine that the UE is determined when the RSRP is less than a preset threshold.
- Edge UE is further configured to obtain a reference signal received power RSRP of the uplink reference signal of the UE, determine whether the RSRP is less than a preset threshold, and determine that the UE is determined when the RSRP is less than a preset threshold.
- a base station including: a processor and a memory, where the memory stores a computer to execute an instruction, and the processor and the memory pass a communication bus Connection
- the processor executes the computer-executed instructions stored by the memory when the base station is in operation, such that the base station performs the method of the first aspect described above.
- a computer readable medium comprising computer executed instructions, wherein when the central processor of a computer executes the computer to execute an instruction, the computer performs the method of the first aspect.
- An embodiment of the present invention provides a method and a device for data transmission.
- the base station can construct a new serving cell for the edge UE to ensure that the edge UE is located in the central area in the new serving cell, thereby scheduling the
- the edge UE is used, the interference of the neighboring cell to the edge UE is reduced, and the edge UE receives the serving cell power, which improves the user experience.
- FIG. 1 is a schematic diagram of a method for data transmission according to an embodiment of the present invention
- FIG. 2 is a schematic diagram of a base station cell network according to an embodiment of the present invention
- FIG. 3 is a schematic diagram of another base station cell networking according to an embodiment of the present invention
- FIG. 4 is a schematic structural diagram of a base station according to an embodiment of the present invention
- FIG. 5 is a schematic structural diagram of another base station according to an embodiment of the present invention. detailed description
- An embodiment of the present invention provides a data transmission method. As shown in FIG. 1 , the method is performed by a base station, and the method includes:
- the base station determines an edge UE from the UEs in the current serving cell.
- the serving cell includes a central UE located at a cell center and an edge UE located at a cell edge.
- the base station receives an uplink reference sent by the UE in the current serving cell.
- the UE is determined to be the central UE.
- RSRP Reference Signal Receiving Power
- the base station constructs a new service cell for the edge UE, so that the edge UE is in a central area of the new serving cell.
- the base station schedules the edge UE and the central UE in different subframes respectively.
- the base station schedules the edge UE by scheduling a subframe corresponding to the edge UE. At this time, the base station does not schedule the center UE.
- the base station schedules the central UE by scheduling the subframe corresponding to the central UE. At this time, the base station does not schedule the edge UE.
- the number of subframes corresponding to the edge UE and the number of subframes corresponding to the corresponding central UE may be configured according to a certain ratio. For example, if the number of edge UEs or the amount of traffic is large, the configured edge UEs have more subframes.
- the number of the subframes corresponding to the central UE so that the scheduling requirements of the edge UE are satisfied. Conversely, the number of subframes corresponding to the configured edge UE is less than the number of subframes corresponding to the central UE; of course, the number of subframes corresponding to the edge UE and The number of the subframes corresponding to the corresponding central UEs may also be configured as a fixed number, which is not limited by the present invention.
- the base station constructs a new serving cell for the edge UE by adjusting current antenna configuration information corresponding to the current serving cell.
- the base station determines a first antenna group from the antennas corresponding to the current serving cell of the edge UE, and determines a second antenna group from the antennas corresponding to the neighboring cells of the current serving cell of the edge UE, according to the first antenna.
- the group and the second antenna group determine the new serving cell antenna configuration information, and construct the new serving cell for the edge UE according to the new serving cell antenna configuration information.
- the common reference signal of the neighboring cell and the current serving cell are common.
- the reference signals can be configured with the same offset to avoid collisions between different cells when scheduling data for the same time-frequency domain resource location during joint data transmission.
- the common reference signal is configured to perform measurement, feedback, and demodulation on the received data symbols, and the UE in the cell may perform measurement and feedback on the channel according to the common reference signal. Further, the base station determines the number of antennas of the first antenna group and the number of antennas of the second antenna group according to location information of the edge UE.
- the number of antennas of the first antenna group may be greater than the number of antennas of the second antenna group, thereby obtaining better antenna power gain, if the location of the edge UE is more biased For the new serving cell, the number of antennas of the second antenna group may be greater than the number of antennas of the first antenna group.
- the sum of the number of antennas of the first antenna group and the number of antennas of the second antenna group is equal to the number of antennas corresponding to the current serving cell, to ensure the working mode of the UE configured by the base station and based on the working mode.
- the measurement can be performed according to the working mode of the UE in the current serving cell and the measurement based on the working mode.
- FIG. 2 shows a schematic diagram of a cell network when a base station has not yet constructed a new serving cell.
- A, B, and C respectively correspond to three current serving cells.
- Each cell adopts an antenna configuration of 8 antennas, and respectively records 8 antennas in the A cell as a1, a2, a3, a4, a5, a6, a7, a8; respectively, 8 antennas in the B cell are recorded as Bl, b2, b3, b4, b5, b6, b7, b8; respectively, 8 antennas in the C cell are denoted cl, c2, c3, c4, c5, c6, c7, c8; solid circle Al in cell A Representing the central UE, the open circles A2 and A3 represent the edge UE, the solid circle B1 in the cell B represents the central UE, the open circles B2 and B3 represent the edge UE, the solid circle C 1 in the cell C represents the central UE, the open circles C2 and C3 The edge UE is represented; as can be seen from the figure, the A cell is formed by using eight antenna configurations of a1, a2, a3, a4, a5, a6, a7
- the base station When the user schedules the edge UEs A2 and B3, the base station first determines the four antennas a5, a6, a7, a8 (ie, the first antenna group) from the A cell, and from the B cell. Determine the four antennas bl, b2, b3, b4 (ie, the second antenna group), and adjust the current antenna configuration to the new serving cell antenna configuration information according to a5, a6, a7, a8 and bl, b2, b3, b4, Specifically, when the base station transmits data, the base station is configured with a CPRI (The Common Public Radio Interface) through which the data passes. When the CPRI changes, the corresponding transmission antenna also changes.
- CPRI The Common Public Radio Interface
- the base station can A new serving cell is constructed by adjusting the CPRI passing through the data transmission.
- the base station can adjust the CPRI passing through the data transmission from the original CPRI corresponding to a1, a2, a3, a4, a5, a6, a7, a8 to a5, a6.
- 0, P, and Q respectively correspond to three new serving cells
- cell 0 is formed by using eight antenna configurations a5, a6, a7, a8, bl, b2, b3, and b4, and cell P is adopted.
- the eight antennas are configured by b8, b6, b7, b8, cl, c2, c3, and c4, and the cell Q is formed by using eight antenna configurations: a1, a2, a3, a4, c5, c6, c7, and c8.
- the edges UEs A2 and B3 are located in the central area of the cell 0 at this time.
- scheduling edges UEs A2 and B3 are only exemplified, and the present invention is not limited to scheduling edges UEs A2 and B3.
- the process of scheduling other edge UEs is similar to the scheduling edge UEs A2 and B3, for example, scheduling edge UE B2 and At C3, the above cell P is the new service cell, and will not be described here.
- the base station and the edge UE perform data transmission in the new serving cell.
- the edge UE When the edge UE is located in the new serving cell, when the edge UEs A2 and B3 are located in the central area of the cell 0, the base station performs data transmission with the edge UE, because the edge UE is located in the central area of the new serving cell. Therefore, the interference of the neighboring cell to the edge UE is reduced when the data is transmitted. In addition, since the signal coverage of the cell center area is strong, the edge UE can obtain a stronger antenna power gain.
- the embodiment of the present invention provides a data transmission method, where the method is performed by a base station, and when the base station is scheduling an edge UE, the base station can construct a new serving cell for the edge UE to ensure that the edge UE is located in the center of the new serving cell.
- the area so that when the edge UE is scheduled, the interference of the neighboring cell to the edge UE is reduced, and the edge UE receives the serving cell power, thereby improving the user experience.
- the embodiment of the present invention provides a base station 40.
- the base station includes: a processing unit 41, configured to determine an edge UE from a terminal UE in a current serving cell; and when the base station schedules the edge UE, the edge is The UE constructs a new serving cell such that the edge UE is in the central area of the new serving cell.
- the transceiver unit 42 is configured to perform data transmission with the edge UE in a new service area constructed by the processing unit 41.
- the base station schedules the edge UE and the central UE in different subframes respectively.
- the base station schedules the edge UE by scheduling a subframe corresponding to the edge UE, where The station does not schedule the central UE. Otherwise, the base station schedules the central UE by scheduling a subframe corresponding to the central UE. At this time, the base station does not schedule the edge UE.
- the number of subframes corresponding to the edge UE and the number of subframes corresponding to the corresponding central UE may be configured according to a certain ratio.
- the configured edge UE corresponds to The number of subframes is greater than the number of subframes corresponding to the central UE, so that the scheduling requirements of the edge UE are satisfied. Conversely, the number of subframes corresponding to the configured edge UE is less than the number of subframes corresponding to the central UE.
- the number of the subframes and the number of the subframes corresponding to the corresponding central UEs may also be configured as a fixed number, which is not limited by the present invention.
- the transceiver unit 42 is further configured to receive an uplink reference signal sent by the UE in the current serving cell.
- the processing unit 41 is further configured to obtain a reference signal received power RSRP of the uplink reference signal of the UE, determine whether the RSRP is less than a preset threshold, and determine that the UE is an edge UE when determining that the RSRP is less than a preset threshold.
- the preset threshold may be set to ⁇ 1 10 dBm.
- the UE is determined to be an edge UE, and the RSRP of the uplink reference signal of the UE is greater than or equal to ⁇ 11.
- OdBm the UE is determined to be the central UE.
- the processing unit 41 is specifically configured to construct a new serving cell for the edge UE by adjusting current antenna configuration information corresponding to the current serving cell.
- the processing unit 41 is configured to determine, according to an antenna corresponding to a current serving cell of the edge UE, a first antenna group, and a phase of the current serving cell of the edge UE. Determining a second antenna group in the antenna corresponding to the neighboring cell, determining the new serving cell antenna configuration information according to the first antenna group and the second antenna group, and constructing the new service for the edge UE according to the new serving cell antenna configuration information Community.
- the common reference signal of the neighboring cell and the current serving cell are common.
- the reference signals can be configured with the same offset to avoid collisions between different cells when scheduling data for the same time-frequency domain resource location during joint data transmission.
- the common reference signal is configured to measure, feedback, and demodulate the received data symbols, and the UE in the cell may perform measurement and feedback on the channel according to the common reference signal.
- processing unit 41 is further configured to determine, according to location information of the edge UE, an antenna number of the first antenna group and an antenna number of the second antenna group.
- the number of antennas of the first antenna group may be greater than the number of antennas of the second antenna group, thereby obtaining better antenna power gain, if the location of the edge UE is more biased For the new serving cell, the number of antennas of the second antenna group may be greater than the number of antennas of the first antenna group.
- the sum of the number of antennas of the first antenna group and the number of antennas of the second antenna group is equal to the number of antennas corresponding to the current serving cell, to ensure the working mode of the UE configured by the base station and based on the working mode.
- the measurement can be performed according to the working mode of the UE in the current serving cell and the measurement based on the working mode.
- the base station when the base station is scheduling the edge UE, the base station can construct a new serving cell for the edge UE to ensure that the edge UE is located in the central area in the new serving cell, so that when the edge UE is scheduled, the neighboring cell is reduced.
- the interference of the edge UE improves the user's power of the serving cell at the same time, which improves the user experience.
- the embodiment of the present invention provides a base station 50. As shown in FIG. 5, the base station includes: a processor 51, a communication interface (Comic), a memory 53 and a communication bus 54.
- the processor 51, the communication interface 52, and the memory 53 complete communication with each other via the communication bus 54.
- the processor may be a central processing unit CPU or a specific integrated circuit ASIC
- the memory is for storing program code, and the program code includes computer operation instructions.
- the memory may contain high speed RAM memory and may also include non-volatile memory, such as at least one disk memory.
- the communication interface 52 is configured to implement connection communication between the devices.
- the processor 51 executes program code for determining an edge UE from a terminal UE in a current serving cell, and when the base station schedules the edge UE, constructs a new serving cell for the edge UE, so that the edge UE is in the new serving cell. a central area, and data transmission with the edge UE in the new serving cell.
- the processor 51 is configured to construct a new serving cell for the edge UE by adjusting current antenna configuration information corresponding to the current serving cell.
- the processor 51 is specifically configured to: determine, by using an antenna corresponding to a current serving cell of the edge UE, a first antenna group, and determine a second antenna from a neighboring cell of a current serving cell of the edge UE.
- the antenna group determines the new serving cell antenna configuration information according to the first antenna group and the second antenna group, and constructs the new serving cell for the edge UE according to the new serving cell antenna configuration information.
- the processing unit 51 is further configured to determine, according to location information of the edge UE, an antenna number of the first antenna group and an antenna number of the second antenna group.
- the sum of the number of antennas of the first antenna group and the number of antennas of the second antenna group is equal to the number of antennas corresponding to the current serving cell.
- the processor 51 is further configured to: at the base station, the UE from the current serving cell Before determining the edge UE, receiving an uplink reference signal sent by the UE in the current serving cell, and acquiring a reference signal received power RSRP of the uplink reference signal of the UE, determining whether the RSRP is less than a preset threshold, determining that the RSRP is less than a pre-determination When the threshold is set, it is determined that the UE is an edge UE o
- An embodiment of the present invention provides a computer readable medium, comprising computer executed instructions, when the central processor of a computer executes the computer to execute an instruction, the computer is configured to execute a program executed by a processor of the base station described in FIG. 5 Code.
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Abstract
本发明实施例提供一种数据传输的方法和设备,涉及通信领域,以在调度边缘UE时,降低相邻小区对边缘UE数据传输时的干扰,同时提高该边缘UE接收服务小区功率。该方法包括:基站从当前服务小区内的UE中确定边缘UE;当基站调度该边缘UE时,为该边缘UE构建新服务小区,使得该边缘UE处于该新服务小区的中心区域;与该边缘UE在该新服务小区内进行数据传输。本发明实施例用于数据传输。
Description
一种业务消息的构造方法和装置
本申请要求于 2013 年 1 月 8 日提交中国专利局、 申请号为 201310006131. 6、发明名称为 "一种数据传输的方法和设备" 的中国专利申 请的优先权, 其全部内容通过引用结合在本申请中。 技术领域 本发明涉及通信领域, 尤其涉及一种数据传输的方法和设备。 背景技术
在现有无线通信***的多小区组网场景下, 特别是在 TDD ( Time Divi sion Duplexing , 时分双工) ***中, 小区之间的干扰是影响系 统性能的重要因素, 且每个小区采用了固定配置的天线。
对于处于小区中心区域的中心 UE ( User Equipment , 用户设备) , 在本小区中能够接收很强的信号, 且由于距离相邻小区较远, 相邻小 区的信号干扰较小, 因此在调度该中心 UE 时, 能够保证与基站进行 很好的数据传输; 而对于处于小区边缘区域的边缘 UE, 由于距离自己 的服务小区中心区域较远, 同时距离相邻小区较近, 因此, 在调度该 边缘 UE时, 该边缘 UE接收服务小区功率较低, 且会受到相邻小区信 号的干扰, 从而影响边缘 UE与基站的数据传输。 发明内容
本发明的实施例提供一种数据传输的方法和设备, 以在调度边缘 UE时, 降低相邻小区对边缘 UE数据传输时的干扰, 同时提高该边缘
UE接收服务小区功率。 第一方面, 提供一种数据传输的方法, 包括:
基站从当前服务小区内的终端 UE中确定边缘 UE ;
当基站调度所述边缘 UE时, 为所述边缘 UE构建新服务小区, 使 得所述边缘 UE处于所述新服务小区的中心区域;
与所述边缘 UE在所述新服务小区内进行数据传输。
在第一方面第一种可能的实现方式中, 所述为所述边缘 UE 构建 新服务小区包括:
通过调整所述当前服务小区对应的当前天线配置信息为所述边 缘 UE构建新服务小区。
结合第一方面第一种可能的实现方式, 在第一方面第二种可能的 实现方式中,所述通过调整所述当前服务小区对应的当前天线配置信 息为所述边缘 UE构建新服务小区包括:
从所述边缘 UE的当前服务小区对应的天线中确定第一天线组; 从所述边缘 UE 的当前服务小区的相邻小区对应的天线中确定第 二天线组;
根据所述第一天线组和所述第二天线组确定所述新服务小区天 线配置信息;
根据所述新服务小区天线配置信息为所述边缘 UE 构建所述新服 务小区。
结合第一方面第二种可能的实现方式, 在第一方面第三种可能的
实现方式中, 所述方法还包括: 根据所述边缘 UE 的位置信息确定所 述第一天线组的天线数目与所述第二天线组的天线数目。
结合第一方面第三种可能的实现方式, 在第四种可能的实现方式 中,所述第一天线组的天线数目与所述第二天线组的天线数目之和与 所述当前服务小区对应的天线数目相等。
结合第一方面至第一方面第四种可能的实现方式中的任一种, 在 第五种可能的实现方式中, 在所述基站从当前服务小区内的 UE 中确 定边缘 UE前, 所述方法还包括:
接收所述当前服务小区内的 UE发送的上行参考信号;
获取所述 UE的上行参考信号的参考信号接收功率 RSRP ;
确定所述 RSRP是否小于预设阈值;
所述基站从当前服务小区内的 UE中确定边缘 UE包括:
在确定所述 RSRP小于预设阈值时, 确定所述 UE为边缘 UE。 第二方面, 提供一种基站, 包括:
处理单元, 用于从当前服务小区内的终端 UE中确定边缘 UE ; 当 基站调度所述边缘 UE时, 为所述边缘 UE构建新服务小区, 使得所述 边缘 UE处于所述新服务小区的中心区域;
收发单元, 用于与所述边缘 UE 在所述处理单元构建的新服务小 区内进行数据传输。
在第二方面第一种可能的实现方式中, 所述处理单元具体用于,
构建新服务小区。
结合第二方面第一种可能的实现方式, 在第二种可能的实现方式 中, 所述处理单元具体用于, 从所述边缘 UE 的当前服务小区对应的 天线中确定第一天线组, 并从所述边缘 UE 的当前服务小区的相邻小 区对应的天线中确定第二天线组, 根据所述第一天线组和所述第二天 线组确定所述新服务小区天线配置信息, 并根据所述新服务小区天线 配置信息为所述边缘 UE构建所述新服务小区。
结合第二种可能的实现方式, 在第三种可能的实现方式中, 所述 处理单元还用于, 根据所述边缘 UE 的位置信息确定所述第一天线组 的天线数目与所述第二天线组的天线数目。
结合第三种可能的实现方式, 在第四种可能的实现方式中, 所述 第一天线组的天线数目与所述第二天线组的天线数目之和与所述当 前服务小区对应的天线数目相等。
结合第二方面至第二方面第四种可能的实现方式中的任一种, 在 第五种可能的实现方式中, 所述收发单元, 还用于接收所述当前服务 小区内的 UE发送的上行参考信号;
所述处理单元, 还用于获取所述 UE 的上行参考信号的参考信号 接收功率 RSRP,确定所述 RSRP是否小于预设阈值,并在确定所述 RSRP 小于预设阈值时, 确定所述 UE为边缘 UE。
第三方面, 提供一种基站, 包括: 包括: 处理器和存储器, 所述 存储器存储计算机执行指令,所述处理器与所述存储器通过通信总线
连接;
当所述基站运行时, 所述处理器执行所述存储器存储的所述计算 机执行指令, 使得所述基站执行上述第一方面所述的方法。
第四方面, 提供一种计算机可读介质, 其特征在于, 包含计算机 执行指令, 当计算机的中央处理器执行所述计算机执行指令时, 所述 计算机执行上述第一方面所述的方法。
本发明实施例提供一种数据传输的方法和设备,基站在调度边缘 UE 时, 能够为该边缘 UE构建新服务小区, 以保证该边缘 UE在该新服务小 区中位于中心区域, 从而在调度该边缘 UE时, 降低相邻小区对该边缘 UE的干扰, 同时提高该边缘 UE接收服务小区功率, 提升了用户体验。 附图说明
图 1为本发明实施例提供的一种数据传输的方法示意图; 图 2为本发明实施例提供的一种基站小区组网示意图;
图 3为本发明实施例提供的另一种基站小区组网示意图; 图 4为本发明实施例提供的一种基站的结构示意图;
图 5为本发明实施例提供的另一种基站的结构示意图。 具体实施方式
下面将结合本发明实施例中的附图, 对本发明实施例中的技术方 案进行清楚、 完整地描述, 显然, 所描述的实施例仅仅是本发明一部 分实施例, 而不是全部的实施例。 基于本发明中的实施例, 本领域普
通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例, 都属于本发明保护的范围。
本发明实施例提供一种数据传输的方法, 如图 1所示, 该方法的 执行主体为基站, 该方法包括:
S101、 基站从当前服务小区内的 UE中确定边缘 UE。
具体地, 服务小区内包括位于小区中心的中心 UE 和位于小区边 缘的边缘 UE ,在该基站从当前服务小区内的 UE中确定边缘 UE前, 基 站接收该当前服务小区内的 UE发送的上行参考信号, 并获取该 UE的 上行参考信号的 RSRP (Reference Signal Receiving Power, 参考信 号接收功率); 并确定该 RSRP是否小于预设阈值, 在确定该 RSRP小 于预设阈值时,确定该 UE为边缘 UE; 在确定该 RSRP大于或等于预设 阈值时,确定该 UE为中心 UE ,例如,该预设阈值可以设置为 -110dBm, 当该 UE的上行参考信号的 RSRP小于 -l lOdBm时,则确定该 UE为边缘 UE, 当该 UE的上行参考信号的 RSRP大于或等于 -l lOdBm时, 则确定 该 UE为中心 UE。
S102、 当基站调度该边缘 UE时, 基站为该边缘 UE构建新服务小 区, 使得该边缘 UE处于该新服务小区的中心区域。
其中,基站将该边缘 U E和该中心 U E分别于不同的子帧进行调度。 基站通过调度该边缘 UE对应的子帧对该边缘 UE进行调度, 此时, 基 站不会调度该中心 UE。 反之, 基站通过调度该中心 UE对应的子帧对 该中心 UE进行调度, 此时, 基站不会调度该边缘 UE。 需要说明的是,
该边缘 UE对应的子帧数目和相应的中心 UE对应的子帧数目可以按照 一定比例进行配置, 例如, 若该边缘 UE数量或者业务量较多, 则配 置的边缘 UE对应的子帧数目多于中心 UE对应的子帧数目, 从而满足 对该边缘 UE的调度需求, 反之, 配置的边缘 UE对应的子帧数目少于 中心 UE对应的子帧数目; 当然, 该边缘 UE对应的子帧数目和相应的 中心 UE对应的子帧数目也可以分别配置为固定的数目, 本发明对此 不作限定。
可选地, 基站通过调整该当前服务小区对应的当前天线配置信息 为该边缘 UE构建新服务小区。
具体地, 基站从该边缘 UE 的当前服务小区对应的天线中确定第 一天线组, 并从该边缘 UE 的当前服务小区的相邻小区对应的天线中 确定第二天线组, 根据该第一天线组和该第二天线组确定该新服务小 区天线配置信息, 并根据该新服务小区天线配置信息为该边缘 UE构 建该新服务小区。
进一歩地, 对于 LTE 的 CoMP场景, 在两个小区要联合发送数据 时, 由于不同小区占用的时频域资源位置不一样, 因此, 该相邻小区 的公共参考信号与该当前服务小区的公共参考信号可以配置相同的 偏置, 以避免在联合数据传输时, 不同小区在调度相同时频域资源位 置的数据时产生冲突。
其中, 该公共参考信号是为了对信道进行测量、 反馈以及对接收 的数据符号进行解调设置的, 小区中的 UE可以根据该公共参考信号 对信道进行测量和反馈。
进一歩地, 基站根据该边缘 UE 的位置信息确定该第一天线组的 天线数目与该第二天线组的天线数目。
例如, 若边缘 UE 的位置更偏向于当前服务小区, 则第一天线组 的天线数目可以多于第二天线组的天线数目, 从而获得更好的天线功 率增益, 若边缘 UE 的位置更偏向于新服务小区, 则第二天线组的天 线数目可以多于第一天线组的天线数目。
可选地, 该第一天线组的天线数目与该第二天线组的天线数目之 和与该当前服务小区对应的天线数目相等, 以保证由基站配置的 UE 的工作模式和基于该工作模式的测量都能按照该 UE在当前服务小区 的工作模式以及基于该工作模式的测量进行。
示例地, 参考图 2和图 3对歩骤 S 102进行说明, 图 2展示了基 站还未构建新服务小区时的小区组网示意图, 图 2中 A、 B、 C分别对 应三个当前服务小区, 每个小区采用 8根天线的天线配置, 分别将 A 小区中的 8根天线记为 al、 a2、 a3、 a4、 a5、 a6、 a7、 a8 ; 分别将 B 小区中的 8根天线记为 b l、 b2、 b3、 b4、 b5、 b6、 b7、 b8 ; 分别将 C 小区中的 8根天线记为 c l、 c2、 c3、 c4、 c5、 c6、 c7、 c8 ;小区 A中 的实心圆圈 Al表示中心 UE, 空心圆圈 A2和 A3表示边缘 UE, 小区 B 中的实心圆圈 B1表示中心 UE ,空心圆圈 B2和 B3表示边缘 UE, 小区 C中的实心圆圈 C 1表示中心 UE , 空心圆圈 C2和 C3表示边缘 UE ; 由 图中可以看出, A小区是采用 al、 a2、 a3、 a4、 a5、 a6、 a7、 a8这 8 根天线配置形成的, B小区是采用 b l、 b2、 b3、 b4、 b5、 b6、 b7、 b8 这 8根天线配置形成的, C小区是采用 c l、 c2、 c3、 c4、 c5、 c6、 c7、
c8这 8根天线配置形成的, 当用户调度边缘 UE A2和 B3时, 基站首 先从 A小区中确定 a5、 a6、 a7、 a8 (即第一天线组) 这 4根天线, 并 从 B小区中确定 b l、 b2、 b3、 b4 (即第二天线组) 这 4根天线, 并根 据 a5、 a6、 a7、 a8和 b l、 b2、 b3、 b4将当前天线配置调整为新服务 小区天线配置信息, 具体地, 在基站传输数据时, 基站内配置有数据 经过的 CPRI (The Common Publ ic Radio Interface,通用公共无线接 口), 当 CPRI发生变化时, 则对应的传输天线也发生变化, 因此, 基 站可以通过调整数据传输时经过的 CPRI 构建新服务小区, 例如, 基 站可以将数据传输时经过的 CPRI由原先的 al、 a2、 a3、 a4、 a5、 a6、 a7、 a8对应的 CPRI调整为 a5、 a6、 a7、 a8、 b l、 b2、 b3、 b4对应的 CPRI , 从而构建新服务小区, 构建的新服务小区组网如图 3所示, 需 要说明的是, 上述构建新服务小区对现有的天线连接不作任何改变, 只是调整传输数据和 CPRI的对应关系, 从而通过该 CPRI对应的天线 传输数据, 简单方便的实现新服务小区的构建。
如图 3所示, 0、 P、 Q分别对应三个新服务小区, 小区 0是采用 a5、 a6、 a7、 a8、 b l、 b2、 b3、 b4 这 8 根天线配置形成的, 小区 P 是采用 b5、 b6、 b7、 b8、 c l、 c2、 c3、 c4这 8根天线配置形成的, 小区 Q是采用 al、 a2、 a3、 a4、 c5、 c6、 c7、 c8这 8根天线配置形 成的, 由图可知, 此时边缘 UE A2和 B3位于小区 0的中心区域。
需要说明的是, 上述调度边缘 UE A2和 B3只是举例说明, 本发 明并不限于调度边缘 UE A2和 B3 , 调度其它边缘 UE的过程与上述调 度边缘 UE A2和 B3类似, 例如调度边缘 UE B2和 C3时, 则上述小区
P即为新服务小区, 在此不再赘述了。
S 103、 基站与该边缘 UE在该新服务小区内进行数据传输。
当边缘 UE 位于该新服务小区时, 如图 3中边缘 UE A2和 B3位于 小区 0的中心区域时, 基站在与该边缘 UE进行数据传输时, 由于该 边缘 UE位于该新服务小区的中心区域, 从而降低了数据传输时, 相 邻小区对该边缘 UE的干扰,另外,由于小区中心区域的信号覆盖很强, 因此, 该边缘 UE能够获得更强的天线功率增益。
本发明实施例提供一种数据传输的方法, 该方法的执行主体为基 站, 基站在调度边缘 UE时, 能够为该边缘 UE构建新服务小区, 以保 证该边缘 UE在该新服务小区中位于中心区域, 从而在调度该边缘 UE 时, 降低相邻小区对该边缘 UE的干扰, 同时提高该边缘 UE接收服务 小区功率, 提升了用户体验。
本发明实施例提供一种基站 40, 如图 4所示, 该基站包括: 处理单元 41, 用于从当前服务小区内的终端 UE中确定边缘 UE ; 当基站调度该边缘 UE时, 为该边缘 UE构建新服务小区, 使得该边缘 UE处于该新服务小区的中心区域。
收发单元 42,用于与该边缘 UE在该处理单元 41构建的新服务小 区内进行数据传输。
其中,基站将该边缘 U E和该中心 U E分别于不同的子帧进行调度。 基站通过调度该边缘 UE对应的子帧对该边缘 UE进行调度, 此时, 基
站不会调度该中心 UE, 反之, 基站通过调度该中心 UE对应的子帧对 该中心 UE进行调度, 此时, 基站不会调度该边缘 UE。 需要说明的是, 该边缘 UE对应的子帧数目和相应的中心 UE对应的子帧数目可以按照 一定比例进行配置, 例如, 若该边缘 UE数量或者业务量较多, 则配 置的边缘 UE对应的子帧数目多于中心 UE对应的子帧数目, 从而满足 对该边缘 UE的调度需求, 反之, 配置的边缘 UE对应的子帧数目少于 中心 UE对应的子帧数目; 当然, 该边缘 UE对应的子帧数目和相应的 中心 UE对应的子帧数目也可以分别配置为固定的数目, 本发明对此 不作限定。
进一歩地, 该收发单元 42, 还用于接收该当前服务小区内的 UE 发送的上行参考信号。
该处理单元 41, 还用于获取该 UE的上行参考信号的参考信号接 收功率 RSRP ,确定该 RSRP是否小于预设阈值, 并在确定该 RSRP小于 预设阈值时, 确定该 UE为边缘 UE。
例如, 该预设阈值可以设置为 - 1 10dBm, 当该 UE的上行参考信号 的 RSRP小于 - l l OdBm时, 则确定该 UE为边缘 UE , 当该 UE的上行参 考信号的 RSRP大于或等于 - l l OdBm时, 则确定该 UE为中心 UE。
可选地, 该处理单元 41 具体用于, 通过调整该当前服务小区对 应的当前天线配置信息为该边缘 UE构建新服务小区。
可选地, 该处理单元 41具体用于, 从该边缘 UE的当前服务小区 对应的天线中确定第一天线组, 并从该边缘 UE 的当前服务小区的相
邻小区对应的天线中确定第二天线组, 根据该第一天线组和该第二天 线组确定该新服务小区天线配置信息, 并根据该新服务小区天线配置 信息为该边缘 UE构建该新服务小区。
进一歩地, 对于 LTE 的 CoMP场景, 在两个小区要联合发送数据 时, 由于不同小区占用的时频域资源位置不一样, 因此, 该相邻小区 的公共参考信号与该当前服务小区的公共参考信号可以配置相同的 偏置, 以避免在联合数据传输时, 不同小区在调度相同时频域资源位 置的数据时产生冲突。
其中, 该公共参考信号是为了对信道进行测量、 反馈以及对接收 的数据符号进行解调设置的, 小区中的 UE可以根据该公共参考信号 对信道进行测量和反馈。
进一歩地, 该处理单元 41还用于, 根据该边缘 UE的位置信息确 定该第一天线组的天线数目与该第二天线组的天线数目。
例如, 若边缘 UE 的位置更偏向于当前服务小区, 则第一天线组 的天线数目可以多于第二天线组的天线数目, 从而获得更好的天线功 率增益, 若边缘 UE 的位置更偏向于新服务小区, 则第二天线组的天 线数目可以多于第一天线组的天线数目。
可选地, 该第一天线组的天线数目与该第二天线组的天线数目之 和与该当前服务小区对应的天线数目相等, 以保证由基站配置的 UE 的工作模式和基于该工作模式的测量都能按照该 UE在当前服务小区 的工作模式以及基于该工作模式的测量进行。
当边缘 UE 位于该新服务小区时,基站在与该边缘 UE进行数据传 输时, 由于该边缘 UE位于该新服务小区的中心区域, 从而降低了数 据传输时, 相邻小区对该边缘 UE的干扰,另外, 由于小区中心区域的 信号覆盖很强, 因此, 该边缘 UE能够获得更强的天线功率增益。
需要说明的是, 对于该基站的处理单元为该边缘 UE 构建新服务 小区的具体描述可以参考上述实施例中对图 2和图 3的描述, 此处不 再赘述。
所属本领域的技术人员可以清楚地了解到, 为描述的方便和简 洁, 上述描述的***, 装置和单元的具体工作过程和描述, 可以参考 前述方法实施例中的对应过程, 在此不再赘述。
采用上述基站, 基站在调度边缘 UE时, 能够为该边缘 UE构建新 服务小区, 以保证该边缘 UE在该新服务小区中位于中心区域, 从而 在调度该边缘 UE时, 降低相邻小区对该边缘 UE的干扰, 同时提高该 边缘 UE接收服务小区功率, 提升了用户体验。 本发明实施例提供一种基站 50, 如图 5所示, 该基站包括: 处理 器 ( processor ) 51、 通信接口 ( Communicat ions Interface ) 52、 存储器 (memory ) 53和通信总线 54 ; 其中, 所述处理器 51、 所述通 信接口 52和所述存储器 53通过所述通信总线 54完成相互间的通信。
处理器可能是一个中央处理器 CPU , 或者是特定集成电路 ASIC
( Appl icat ion Spec i fic Integrated Circui t ) , 或者是被酉己置成
实施本发明实施例的一个或多个集成电路。
存储器用于存放程序代码, 所述程序代码包括计算机操作指令。 存储器可能包含高速 RAM 存储器, 也可能还包括非易失性存储器 ( non-volati l e memory ) , 例如至少一个磁盘存储器。
所述通信接口 52, 用于实现这些装置之间的连接通信。
所述处理器 51执行程序代码, 用于从当前服务小区内的终端 UE 中确定边缘 UE, 当基站调度该边缘 UE时, 为该边缘 UE构建新服务小 区, 使得该边缘 UE处于该新服务小区的中心区域, 并与该边缘 UE在 该新服务小区内进行数据传输。
可选地, 该处理器 51 具体用于, 通过调整该当前服务小区对应 的当前天线配置信息为该边缘 UE构建新服务小区。
可选地, 该处理器 51具体用于, 从该边缘 UE的当前服务小区对 应的天线中确定第一天线组, 并从该边缘 UE 的当前服务小区的相邻 小区对应的天线中确定第二天线组, 根据该第一天线组和该第二天线 组确定该新服务小区天线配置信息, 并根据该新服务小区天线配置信 息为该边缘 UE构建该新服务小区。
可选地, 该处理单元 51还用于, 根据该边缘 UE的位置信息确定 该第一天线组的天线数目与该第二天线组的天线数目。
进一歩地, 该第一天线组的天线数目与该第二天线组的天线数目 之和与该当前服务小区对应的天线数目相等。
可选地, 该处理器 51还用于, 在该基站从当前服务小区内的 UE
中确定边缘 UE前,接收该当前服务小区内的 UE发送的上行参考信号, 并获取该 UE的上行参考信号的参考信号接收功率 RSRP ,确定该 RSRP 是否小于预设阈值, 在确定该 RSRP小于预设阈值时, 确定该 UE为边 缘 UE o
本发明实施例提供一种计算机可读介质, 包含计算机执行指令, 当计算机的中央处理器执行所述计算机执行指令时,所述计算机用于 执行上述图 5描述的基站的处理器所执行的程序代码。
本领域普通技术人员可以理解: 实现上述方法实施例的全部或部 分歩骤可以通过程序指令相关的硬件来完成, 前述的程序可以存储于 一计算机可读取存储介质中, 该程序在执行时, 执行包括上述方法实 施例的歩骤; 而前述的存储介质包括: R0M、 RAM , 磁碟或者光盘等各 种可以存储程序代码的介质。
以上所述, 仅为本发明的具体实施方式, 但本发明的保护范围并不 局限于此, 任何熟悉本技术领域的技术人员在本发明揭露的技术范围 内,可轻易想到变化或替换,都应涵盖在本发明的保护范围之内。因此, 本发明的保护范围应所述以权利要求的保护范围为准。
Claims
1、 一种数据传输的方法, 其特征在于, 包括:
基站从当前服务小区内的终端 UE中确定边缘 UE ;
当基站调度所述边缘 UE时, 为所述边缘 UE构建新服务小区, 使 得所述边缘 UE处于所述新服务小区的中心区域;
与所述边缘 UE在所述新服务小区内进行数据传输。
2、 根据权利要求 1 所述的方法, 其特征在于, 所述为所述边缘 UE构建新服务小区包括:
通过调整所述当前服务小区对应的当前天线配置信息为所述边 缘 UE构建新服务小区。
3、 根据权利要求 2 所述的方法, 其特征在于, 所述通过调整所 述当前服务小区对应的当前天线配置信息为所述边缘 UE构建新服务 小区包括:
从所述边缘 UE的当前服务小区对应的天线中确定第一天线组; 从所述边缘 UE 的当前服务小区的相邻小区对应的天线中确定第 二天线组;
根据所述第一天线组和所述第二天线组确定所述新服务小区天 线配置信息;
根据所述新服务小区天线配置信息为所述边缘 UE 构建所述新服 务小区。
4、 根据权利要求 3所述的方法, 其特征在于, 所述方法还包括: 根据所述边缘 UE 的位置信息确定所述第一天线组的天线数目与
所述第二天线组的天线数目。
5、 根据权利要求 4 所述的方法, 其特征在于, 所述第一天线组 的天线数目与所述第二天线组的天线数目之和与所述当前服务小区 对应的天线数目相等。
6、 根据权利要求 1 至 5任一项所述的方法, 其特征在于, 在所 述基站从当前服务小区内的 UE中确定边缘 UE前, 所述方法还包括: 接收所述当前服务小区内的 UE发送的上行参考信号;
获取所述 UE的上行参考信号的参考信号接收功率 RSRP ;
确定所述 RSRP是否小于预设阈值;
所述基站从当前服务小区内的 UE中确定边缘 UE包括:
在确定所述 RSRP小于预设阈值时, 确定所述 UE为边缘 UE。
7、 一种基站, 其特征在于, 包括:
处理单元, 用于从当前服务小区内的终端 UE中确定边缘 UE ; 当 基站调度所述边缘 UE时, 为所述边缘 UE构建新服务小区, 使得所述 边缘 UE处于所述新服务小区的中心区域;
收发单元, 用于与所述边缘 UE 在所述处理单元构建的新服务小 区内进行数据传输。
8、 根据权利要求 7 所述的基站, 其特征在于, 所述处理单元具 体用于,通过调整所述当前服务小区对应的当前天线配置信息为所述 边缘 UE构建新服务小区。
9、 根据权利要求 8 所述的基站, 其特征在于, 所述处理单元具
体用于, 从所述边缘 UE 的当前服务小区对应的天线中确定第一天线 组, 并从所述边缘 UE 的当前服务小区的相邻小区对应的天线中确定 第二天线组, 根据所述第一天线组和所述第二天线组确定所述新服务 小区天线配置信息, 并根据所述新服务小区天线配置信息为所述边缘 UE构建所述新服务小区。
10、 根据权利要求 9所述的基站, 其特征在于, 所述处理单元还 用于, 根据所述边缘 UE 的位置信息确定所述第一天线组的天线数目 与所述第二天线组的天线数目。
1 1、 根据权利要求 10 所述的基站, 其特征在于, 所述第一天线 组的天线数目与所述第二天线组的天线数目之和与所述当前服务小 区对应的天线数目相等。
12、 根据权利要求 7至 1 1任一项所述的基站, 其特征在于, 所述收发单元, 还用于接收所述当前服务小区内的 UE 发送的上 行参考信号;
所述处理单元, 还用于获取所述 UE 的上行参考信号的参考信号 接收功率 RSRP,确定所述 RSRP是否小于预设阈值,并在确定所述 RSRP 小于预设阈值时, 确定所述 UE为边缘 UE。
13、 一种基站, 其特征在于, 包括: 处理器和存储器, 所述存储 器存储计算机执行指令, 所述处理器与所述存储器通过通信总线连 接;
当所述基站运行时, 所述处理器执行所述存储器存储的所述计算 机执行指令, 使得所述基站执行权利要求 1至 6任一项所述的方法。
14、 一种计算机可读介质, 其特征在于, 包含计算机执行指令, 当计算机的中央处理器执行所述计算机执行指令时,所述计算机执行 权利要求 1至 6任一项所述的方法。
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