CN108124266B - Uplink joint receiving method and base station - Google Patents
Uplink joint receiving method and base station Download PDFInfo
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- CN108124266B CN108124266B CN201611070876.9A CN201611070876A CN108124266B CN 108124266 B CN108124266 B CN 108124266B CN 201611070876 A CN201611070876 A CN 201611070876A CN 108124266 B CN108124266 B CN 108124266B
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Abstract
The embodiment of the invention discloses an uplink joint receiving method and a base station, wherein the method comprises the following steps: the base station determines that the network signal quality of the terminal does not meet a preset condition, and obtains an uplink data scheduling request of the terminal; and receiving uplink data in an uplink joint receiving mode when determining that the bearer of the terminal and the bearer of the terminal belong to the bearer needing uplink enhancement based on the uplink data scheduling request.
Description
Technical Field
The invention relates to a wireless communication technology, in particular to an uplink joint receiving method and a base station.
Background
The uplink joint reception technology can realize joint reception of uplink signals of a single user by multiple cell antennas simultaneously through interaction of scheduling information and received signals among multiple cells (users jointly received by multiple cells are generally called cooperative users). The uplink joint reception for the edge users is equivalent to lifting the uplink coverage.
The existing uplink joint technology can only be applied between different cells of the same base station. When the cross-base-station application is performed, since the interactive cooperation information needs to be transmitted by a Packet Transport Network (PTN), the cross-base-station transmission bandwidth and the transmission delay cannot meet the requirement of the base-station uplink processing timing sequence. At present, if a cross-base station uplink joint receiving technology is needed, high-speed switching equipment needs to be introduced between base stations, and a base station where each cooperation cell is located is connected to the high-speed switching equipment, so that cooperation information interaction with cross-base station high bandwidth and low time delay is achieved. But introducing a telling switch across base stations would bring higher costs.
Disclosure of Invention
In order to solve the existing technical problem, the embodiment of the invention provides an uplink joint receiving method and a base station.
In order to achieve the above purpose, the technical solution of the embodiment of the present invention is realized as follows:
the embodiment of the invention provides an uplink joint receiving method, which comprises the following steps:
the base station determines that the network signal quality of the terminal does not meet a preset condition, and obtains an uplink data scheduling request of the terminal;
and receiving uplink data in an uplink joint receiving mode when determining that the bearer of the terminal and the bearer of the terminal belong to the bearer needing uplink enhancement based on the uplink data scheduling request.
In the foregoing solution, the determining that the bearer for the terminal belongs to a bearer that needs uplink enhancement based on the uplink data scheduling request includes:
and judging whether the bearer of the terminal belongs to the bearer which needs to be subjected to uplink enhancement or not based on the uplink sending bit number applied by the terminal in the uplink data scheduling request.
In the foregoing solution, the determining that the bearer for the terminal belongs to a bearer that needs uplink enhancement based on the uplink data scheduling request includes:
and judging whether the bearer of the terminal belongs to the bearer which needs to be subjected to uplink enhancement or not based on the logical channel group of the uplink sending data applied by the terminal in the uplink data scheduling request.
In the foregoing solution, after determining that the bearer for the terminal belongs to a bearer that needs uplink enhancement based on the uplink data scheduling request, the method further includes:
the base station selects a cooperative cell for the terminal based on a first measurement report reported by the terminal;
the base station sends the cooperation information of the terminal to the cooperation cell; the collaboration information includes: and the uplink channel configuration information and/or the uplink scheduled physical resource block information.
In the above scheme, the sending, by the base station, the cooperation information of the terminal to the cooperation cell includes:
when the selected cooperation cell and the serving cell are cells corresponding to different base stations, the base station sends the cooperation information to the cooperation cell through an X2 interface.
An embodiment of the present invention further provides a base station, where the base station includes: a communication unit and a data processing unit; wherein the content of the first and second substances,
the data processing unit is used for determining that the network signal quality of the terminal does not meet a preset condition;
the communication unit is used for acquiring an uplink data scheduling request of the terminal;
the data processing unit is further configured to determine whether the bearer associated with the terminal belongs to a bearer that needs uplink enhancement based on the uplink data scheduling request;
and the communication unit is further configured to receive uplink data in an uplink joint receiving manner when the data processing unit determines that the bearer of the terminal and the bearer of the terminal belong to a bearer that needs uplink enhancement.
In the foregoing solution, the data processing unit is configured to determine whether the bearer associated with the terminal belongs to a bearer that needs uplink enhancement based on the uplink sending bit number applied by the terminal in the uplink data scheduling request.
In the foregoing solution, the data processing unit is configured to determine whether the bearer of the terminal belongs to a bearer that needs to perform uplink enhancement based on the logical channel group of the uplink transmission data applied by the terminal in the uplink data scheduling request.
In the above scheme, the data processing unit is further configured to select a cooperative cell for the terminal based on a first measurement report reported by the terminal after determining, based on the uplink data scheduling request, whether a bearer with the terminal belongs to a bearer that needs uplink enhancement;
the communication unit is further configured to send cooperation information of the terminal to the cooperation cell; the collaboration information includes: and the uplink channel configuration information and/or the uplink scheduled physical resource block information.
In the foregoing solution, the communication unit is configured to send the cooperation information to the cooperation cell through an X2 interface when the selected cooperation cell and the serving cell are cells corresponding to different base stations.
The embodiment of the invention provides an uplink joint receiving method and a base station, wherein the method comprises the following steps: the base station determines that the network signal quality of the terminal does not meet a preset condition, and obtains an uplink data scheduling request of the terminal; and receiving uplink data in an uplink joint receiving mode when determining that the bearer of the terminal and the bearer of the terminal belong to the bearer needing uplink enhancement based on the uplink data scheduling request. Therefore, by adopting the technical scheme of the embodiment of the invention, the cross-base-station uplink joint receiving scheme is realized in the existing PTN bandwidth condition on the premise of not adding new hardware equipment, the transmission reliability and the call starting success rate of weak VoLTE service signaling are improved, or the uplink transmission efficiency of a VoLTE service packet can be improved, and the occurrence of packet loss, word swallowing and single communication is reduced.
Drawings
Fig. 1 is a schematic diagram of an uplink joint reception implementation in the prior art;
fig. 2 is a schematic diagram of information interaction of an uplink joint reception scheme in the prior art;
fig. 3 is a schematic flowchart of an uplink joint receiving method according to a first embodiment of the present invention;
fig. 4 is a flowchart illustrating an uplink joint receiving method according to a second embodiment of the present invention;
fig. 5 is a schematic diagram of information interaction of an uplink joint reception scheme according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a base station according to an embodiment of the present invention.
Detailed Description
The inventor finds that in the existing Long Term Evolution (LTE) network, the problem that uplink signaling initiated by an IMS-based Voice service (VoLTE) service cannot be successfully transmitted in a weak field has occurred, which results in a low call initiation success rate of the weak field VoLTE; or the situation that the VoLTE call is word swallowed and single pass is caused by packet loss due to low uplink transmission efficiency of the weak VoLTE service occurs. The weak field needs to enhance uplink coverage, and improves the transmission efficiency of VoLTE signaling and service data packets, and most of the uplink coverage weak fields exist at the cell boundaries of different base stations. Fig. 1 is a schematic diagram of an uplink joint reception implementation in the prior art; as shown in fig. 1, includes:
step 3, the serving cell informs the uplink channel configuration (mainly including a sending period and a sending position of a Sounding Reference Signal (SRS)) of the cooperative user reporting the measurement report, and Physical Resource Block (PRB) information of uplink scheduling to the cooperative cell;
and 5, the cooperative cell demodulates the uplink received signal of the cooperative user on the same PRB of the cooperative user scheduled by the serving cell according to the channel measurement result, and sends the demodulated soft information to the serving cell, and the serving cell combines the soft information.
In the above scheme, if the cooperative cell and the serving cell selected in step 2 are cells under different base stations, the cross-base station interaction of the cooperative information interaction in step 3 and the soft information interaction in step 5 needs to be implemented by a high-speed switching device, which may be specifically shown in fig. 2.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example one
The embodiment of the invention provides an uplink joint receiving method. Fig. 3 is a schematic flowchart of an uplink joint receiving method according to a first embodiment of the present invention; as shown in fig. 3, the method includes:
step 101: and the base station determines that the network signal quality of the terminal does not meet the preset condition, and obtains the uplink data scheduling request of the terminal.
Step 102: and receiving uplink data in an uplink joint receiving mode when determining that the bearer of the terminal and the bearer of the terminal belong to the bearer needing uplink enhancement based on the uplink data scheduling request.
In this embodiment, the uplink joint receiving method is applied to a base station, and a terminal is in a network coverage area of the base station; the base station may be a serving base station for the terminal.
In this embodiment, after the base station establishes a bearer with a terminal, the base station may determine whether the network signal quality of the terminal meets a preset condition based on a measurement report reported by the terminal. As an embodiment, the base station may determine whether a network signal parameter of the terminal is lower than a preset threshold based on the measurement report reported by the terminal; and when the network signal parameter of the terminal is lower than the preset threshold value, determining that the network signal quality of the terminal does not meet the preset condition. The network Signal parameter may be Reference Signal Receiving quality (RSRP).
In this embodiment, based on the bearer between the base station and the terminal, the base station may receive an uplink scheduling request of the terminal, and determine whether the bearer with the terminal is a specific bearer that needs to perform uplink enhancement based on the uplink scheduling request.
As an embodiment, the determining, based on the uplink data scheduling request, that the bearer with the terminal belongs to a bearer that needs uplink enhancement includes: and judging whether the bearer of the terminal belongs to the bearer which needs to be subjected to uplink enhancement or not based on the uplink sending bit number applied by the terminal in the uplink data scheduling request.
Specifically, the base station can determine whether the bearer to which the current uplink scheduling data belongs to the bearer which needs to be subjected to uplink enhancement according to the number of transmission bits when the terminal applies for uplink scheduling; for example, when the number of transmission bits for which the terminal applies for uplink scheduling is within a first range, it is determined that a bearer in which the uplink scheduled data is located belongs to a bearer that needs to be subjected to uplink enhancement; correspondingly, when the number of transmission bits for which the terminal applies for uplink scheduling is within a second range or not within the first range, it is determined that the bearer in which the uplink scheduled data is located belongs to a bearer that does not need uplink enhancement.
As another embodiment, the determining that the bearer with the terminal belongs to a bearer requiring uplink enhancement based on the uplink data scheduling request includes: and judging whether the bearer of the terminal belongs to the bearer which needs to be subjected to uplink enhancement or not based on the logical channel group of the uplink sending data applied by the terminal in the uplink data scheduling request.
Specifically, the base station can determine whether the bearer for the current uplink scheduling data belongs to a bearer that needs uplink enhancement according to a logical channel group when the terminal applies for uplink scheduling; for example, when the terminal applies for matching the logical channel group number of the uplink scheduling with the logical channel group number used by the bearer needing uplink enhancement, it is determined that the bearer where the uplink scheduled data is located belongs to the bearer needing uplink enhancement; correspondingly, when the logical channel group number applied by the terminal for uplink scheduling is not matched with the logical channel group number used by the bearer needing uplink enhancement, the bearer where the uplink scheduled data is located is judged not to belong to the bearer needing uplink enhancement.
In this embodiment, when it is determined that the bearer of the terminal and the bearer of the terminal belong to a bearer that needs uplink enhancement, the base station may activate the PTN and send the cooperation information of the terminal to the cooperative cell through the X2 interface, so as to receive uplink data in an uplink joint reception manner in the cooperative cell.
By adopting the technical scheme of the embodiment of the invention, the cross-base-station uplink joint receiving scheme is realized in the existing PTN bandwidth condition on the premise of not adding new hardware equipment, the transmission reliability and the call starting success rate of weak VoLTE service signaling are improved, or the uplink transmission efficiency of a VoLTE service packet can be improved, and the occurrence of packet loss, word swallowing and single communication is reduced.
Example two
The embodiment of the invention also provides an uplink joint receiving method. Fig. 4 is a flowchart illustrating an uplink joint receiving method according to a second embodiment of the present invention; as shown in fig. 4, the method includes:
step 201: after a base station establishes a bearer with a terminal or when the base station performs first uplink/downlink scheduling based on the bearer on the terminal, the base station sends an A2 measurement control instruction to the terminal, wherein the measurement control condition corresponding to the A2 measurement control instruction is that the RSRP of the terminal in a serving cell is lower than a first threshold value;
step 202: when the terminal reports an A2 measurement report to the base station based on a received A2 measurement control command, the base station sends a CoMP A3 measurement control command to the terminal, and the measurement control condition corresponding to the CoMP A3 measurement control command is that the difference value of the RSRP of the same-frequency adjacent cell and the RSRP of the service cell is within a second threshold value;
step 203: and the terminal at the edge of the cell reports a measurement report to the base station according to the CoMP A3 measurement control instruction, and the base station selects the adjacent cell with the strongest signal in the measurement report as a cooperative cell.
Step 204: and the base station carries out bearing judgment based on the uplink data scheduling request of the terminal and judges whether the uplink data scheduling request belongs to a bearing i (the bearing i belongs to a bearing needing uplink enhancement).
Step 205: when the base station judges that the uplink data scheduling request belongs to a bearer i, the base station sends the cooperation information of the terminal reporting the measurement report to a cooperation cell; the cooperation information includes uplink channel configuration information (where the uplink channel configuration information mainly includes an SRS transmission period and a transmission position) and/or uplink scheduled PRB information.
Step 206: a base station to which a cooperative cell belongs performs channel measurement on a cooperative user (i.e. the terminal) according to the cooperative information (e.g. an SRS transmission period and a transmission position included in uplink channel configuration information); and the base station to which the cooperative cell belongs demodulates the uplink received signal of the cooperative user (namely the terminal) on the same PRB of the cooperative user scheduled by the serving cell according to the channel measurement result, and sends the demodulated soft information to the terminal, and the base station combines the soft information.
In this embodiment, the base station serves as a serving cell of the terminal.
In this embodiment, when the base station to which the cooperative cell belongs and the base station are different base stations, information interaction between the base station and the base station to which the cooperative cell belongs (including interaction between the cooperative information and the bearer determination result, interaction between the demodulation soft information, and the like) may be implemented through an X2 interface (i.e., PTN). Fig. 5 is a schematic diagram of information interaction of an uplink joint reception scheme according to an embodiment of the present invention; specifically, as shown in fig. 5, the base station may perform interaction of cooperation information and demodulation soft information with a base station to which a cooperative cell belongs through an X2 interface in combination with an existing PTN device.
By adopting the technical scheme of the embodiment of the invention, the cross-base-station uplink joint receiving scheme is realized in the existing PTN bandwidth condition on the premise of not adding new hardware equipment, the transmission reliability and the call starting success rate of weak VoLTE service signaling are improved, or the uplink transmission efficiency of a VoLTE service packet can be improved, and the occurrence of packet loss, word swallowing and single communication is reduced.
EXAMPLE III
Based on the first embodiment, the present embodiment further details a manner for determining whether the bearer where the current data is transferred belongs to a bearer that needs to be uplink enhanced. Specifically, for the requirement of improving the efficiency of the uplink transmission of the VoLTE service with weak coverage, the bearer that needs to enhance the uplink coverage is a QoS Class Identifier (QCI) 1 bearer for transmitting the VoLTE service packet. The base station to which the serving cell belongs may start the scheme of the first embodiment of the present invention when the QCI 1 bearer is established. For the terminal which has established the QCI 1 bearer, the base station can determine the bearer to which the uplink scheduling belongs according to the number of transmission bits when the terminal applies for the uplink scheduling. For example, when the number of transmission bits for which the terminal applies for uplink scheduling is about 562 bits (bit) (the number of bits is within a first range configured in advance), the base station may determine that the uplink scheduling applied this time belongs to a QCI 1 bearer, and may perform cross-base station uplink joint reception; correspondingly, when the number of transmission bits for uplink scheduling application by the terminal is much greater than 562 bits (the number of bits is not within the first range or the number of bits is within a preconfigured second range), the base station may determine that the uplink scheduling application does not belong to the QCI 1 bearer, or determine that the uplink scheduling application belongs to another bearer other than the QCI 1 bearer, and thus does not perform cross-base station uplink joint reception.
Example four
Based on the first embodiment, the present embodiment further details another determination method for determining whether the bearer where the current data is called belongs to the bearer that needs to be uplink enhanced. Specifically, for the requirement of improving the uplink transmission efficiency of the VoLTE service with weak coverage, the bearer requiring uplink coverage enhancement is a QCI 1 bearer for transmitting a VoLTE service packet. The base station to which the serving cell belongs may start the scheme of the first embodiment of the present invention when the QCI 1 bearer is established. For the terminal which has established the QCI 1 bearer, the base station can judge the bearer to which the uplink scheduling belongs according to the logical channel group number when the terminal applies for the uplink scheduling. For example: when the terminal applies for uplink scheduling of a logical channel group number (of course, other parameters may also be used, which refer to a specific logical channel group mapped by the QCI 1 voice packet) and the logical channel group number used for transmitting QCI 1 data are matched and consistent, the base station may determine that the data applied for scheduling belongs to QCI 1 bearer, and may perform cross-base station uplink joint reception; correspondingly, when the logical channel group number for uplink scheduling application of the terminal is not matched with the logical channel group number used for transmitting the QCI 1 data, the base station can judge that the data for scheduling application does not belong to the QCI 1 bearer, so that uplink joint reception across the base station is not performed at this time.
EXAMPLE five
The embodiment of the invention provides a base station. Fig. 6 is a schematic structural diagram of a base station according to an embodiment of the present invention; as shown in fig. 6, the base station includes: a communication unit 31 and a data processing unit 32; wherein the content of the first and second substances,
the data processing unit 32 is configured to determine that the network signal quality of the terminal does not satisfy a preset condition;
the communication unit 31 is configured to obtain an uplink data scheduling request of a terminal;
the data processing unit 32 is further configured to determine, based on the uplink data scheduling request, whether a bearer with the terminal belongs to a bearer that needs uplink enhancement;
the communication unit 31 is further configured to receive uplink data in an uplink joint receiving manner when the data processing unit 32 determines that the bearer of the terminal and the bearer of the terminal belong to a bearer that needs to be uplink enhanced.
In this embodiment, the base station may be a serving base station of a terminal.
In this embodiment, after the communication unit 31 establishes a bearer with a terminal, the data processing unit 32 may determine whether the network signal quality of the terminal meets a preset condition based on a measurement report reported by the terminal. As an embodiment, the data processing unit 32 may determine whether a network signal parameter of the terminal is lower than a preset threshold based on a measurement report reported by the terminal; and when the network signal parameter of the terminal is lower than the preset threshold value, determining that the network signal quality of the terminal does not meet the preset condition. Wherein the network signal parameter may be RSRP.
In this embodiment, based on the bearer between the communication unit 31 and the terminal, the communication unit 31 may receive an uplink scheduling request of the terminal, and further the data processing unit 32 determines whether the bearer with the terminal is a specific bearer that needs to perform uplink enhancement based on the uplink scheduling request.
In an embodiment, the data processing unit 32 is configured to determine whether the bearer with the terminal belongs to a bearer that needs uplink enhancement based on the uplink transmission bit number applied by the terminal in the uplink data scheduling request.
Specifically, the data processing unit 32 may determine whether the bearer to which the current uplink scheduling data belongs to a bearer that needs to be subjected to uplink enhancement according to the number of transmission bits when the terminal applies for uplink scheduling; for example, when the number of transmission bits for which the terminal applies for uplink scheduling is within a first range, it is determined that a bearer in which the uplink scheduled data is located belongs to a bearer that needs to be subjected to uplink enhancement; correspondingly, when the number of transmission bits for which the terminal applies for uplink scheduling is within a second range or not within the first range, it is determined that the bearer in which the uplink scheduled data is located belongs to a bearer that does not need uplink enhancement.
As another embodiment, the data processing unit 32 is configured to determine whether the bearer of the terminal belongs to a bearer that needs to perform uplink enhancement based on the logical channel group of the uplink transmission data applied by the terminal in the uplink data scheduling request.
Specifically, the data processing unit 32 may determine whether the bearer for the current uplink scheduling data belongs to a bearer that needs to perform uplink enhancement according to a logical channel group when the terminal applies for uplink scheduling; for example, when the terminal applies for matching the logical channel group number of the uplink scheduling with the logical channel group number used by the bearer needing uplink enhancement, it is determined that the bearer where the uplink scheduled data is located belongs to the bearer needing uplink enhancement; correspondingly, when the logical channel group number applied by the terminal for uplink scheduling is not matched with the logical channel group number used by the bearer needing uplink enhancement, the bearer where the uplink scheduled data is located is judged not to belong to the bearer needing uplink enhancement.
As an implementation manner, the data processing unit 32 is further configured to select a cooperative cell for the terminal based on a first measurement report reported by the terminal after determining, based on the uplink data scheduling request, whether a bearer with the terminal belongs to a bearer that needs uplink enhancement;
the communication unit 31 is further configured to send cooperation information of the terminal to the cooperation cell; the collaboration information includes: and the uplink channel configuration information and/or the uplink scheduled physical resource block information.
In this embodiment, the communication unit 31 is configured to send the cooperation information to the cooperation cell through an X2 interface when the selected cooperation cell and the serving cell are cells corresponding to different base stations.
In this embodiment, when the base station to which the cooperative cell belongs and the base station are different base stations, information interaction between the base station and the base station to which the cooperative cell belongs (including interaction between the cooperative information and the bearer determination result, interaction between the demodulation soft information, and the like) may be implemented through an X2 interface (i.e., PTN), that is, the communication unit 31 may perform interaction between the cooperative information and the demodulation soft information through an X2 interface in combination with an existing PTN device and the base station to which the cooperative cell belongs, which may be specifically as shown in fig. 5.
In the embodiment of the present invention, the data Processing Unit 32 in the base station may be implemented by a Central Processing Unit (CPU), a Digital Signal Processor (DSP), a Micro Control Unit (MCU), or a Programmable Gate Array (FPGA) in the base station in practical application; the communication unit 31 in the base station can be implemented in practical applications by a communication module (including a basic communication suite, an operating system, a communication module, a standardized interface, a protocol, etc.) and a transceiver antenna.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Alternatively, the integrated unit of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic or optical disk, or various other media that can store program code.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (2)
1. An uplink joint receiving method, characterized in that the method comprises:
a base station determines that the network signal quality of a terminal does not meet a preset condition, and obtains an uplink data scheduling request of the terminal;
judging whether the uplink transmission bit number applied by the terminal in the uplink data scheduling request belongs to a bearer which needs uplink enhancement or not, when the uplink transmission bit number applied by the terminal is in a first range, judging that the bearer in which the uplink scheduled data belongs to the bearer which needs uplink enhancement, and receiving the uplink data in an uplink joint receiving mode;
the base station selects a cooperative cell for the terminal based on a first measurement report reported by the terminal;
when the selected cooperation cell and the service cell are cells corresponding to different base stations, the base stations send cooperation information to the cooperation cells through an X2 interface; the collaboration information includes: uplink channel configuration information and uplink scheduled physical resource block information; the uplink channel configuration information includes an SRS transmission period and a transmission position.
2. A base station, characterized in that the base station comprises: a communication unit and a data processing unit; wherein the content of the first and second substances,
the data processing unit is used for determining that the network signal quality of the terminal does not meet a preset condition;
the communication unit is used for obtaining an uplink data scheduling request of the terminal;
the data processing unit is further configured to determine whether the bearer of the terminal and the bearer of the terminal belong to bearers requiring uplink enhancement based on the uplink sending bit number applied by the terminal in the uplink data scheduling request, and when the sending bit number applied by the terminal for uplink scheduling is within a first range, determine that the bearer in which the uplink scheduled data is located belongs to the bearers requiring uplink enhancement;
the communication unit is further configured to receive uplink data in an uplink joint receiving manner when the data processing unit determines that the bearer of the terminal and the bearer of the terminal belong to a bearer that needs to be subjected to uplink enhancement;
the data processing unit is further configured to select, by the base station, a cooperative cell for the terminal based on the first measurement report reported by the terminal;
the communication unit is further configured to, when the selected cooperative cell and the serving cell are cells corresponding to different base stations, send, by the base station, cooperation information to the cooperative cell through an X2 interface; the collaboration information includes: uplink channel configuration information and uplink scheduled physical resource block information; the uplink channel configuration information includes an SRS transmission period and a transmission position.
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