CN108377510B - SON (self-organizing network) related information reporting method and device and user equipment - Google Patents
SON (self-organizing network) related information reporting method and device and user equipment Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
Abstract
The invention provides a method and a device for reporting SON (self-organizing network) related information and user equipment. The method comprises the following steps: UE supporting MTC accesses a coverage enhancement cell; if the RRC connection is failed to establish, the radio link is failed or the switching is failed, recording the information related to the SON of the coverage enhancement cell, wherein the information related to the SON comprises information related to the MTC function; UE supporting MTC accesses a normal coverage cell; if the information related to the coverage enhancement cell SON is effective, sending a RRC connection establishment, reconstruction or reconfiguration completion message carrying an effective identifier to the eNB; the UE supporting MTC receives a UE information request sent by an eNB, wherein the UE information request is used for requesting to inquire the information related to the SON; and the UE supporting MTC sends a UE information response to the eNB and reports the information related to the SON of the coverage enhancement cell to the eNB according to the UE information request. The invention can realize the network maintenance and optimization of the coverage enhancement cell through the SON function.
Description
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to a method, an apparatus, and a user equipment for reporting SON related information.
Background
With the rapid development of communication technologies, network construction and maintenance of operators have met with increasing challenges. Compared with the previous communication system, the LTE (Long Term Evolution) communication system has great advantages, such as being capable of providing a larger wireless bandwidth, a larger number of broadband applications and a higher quality. However, LTE operators must choose an efficient and low-cost way to maintain operation, and thus SON (Self-Organizing Networks) technology is in the midst of their work. The SON technology in the LTE communication system instructs a UE (User Equipment) to record information of a serving cell when a Radio Resource Control (RRC) layer connection is failed to establish, a Radio link is failed, or handover is failed, measurement information of neighboring cells of the same frequency, different frequency, and different systems, location information, time information, and the like, and report the information to an evolved Node B (eNB). The eNB realizes self-optimization of the network according to network performance parameters and deployment conditions by collecting reports of the UE and interacting report contents with the adjacent eNB, so that the efficiency of network construction and maintenance is improved on the whole, operators are effectively helped to reduce cost, and user experience is improved.
In the process of implementing the invention, the inventor finds that at least the following technical problems exist in the prior art:
the 3GPP standard only makes some provisions for the SON function supported by the normal UE in the normal coverage cell, and currently, no consideration is temporarily made as to whether or not the network maintenance and optimization of the coverage enhancement cell can be implemented by the SON function, and how to implement the maintenance and optimization by the SON function.
Disclosure of Invention
The method, the device and the user equipment for reporting the SON related information can realize network maintenance and optimization of the coverage enhancement cell through the SON function.
In a first aspect, the present invention provides a method for reporting SON related information, including:
UE supporting MTC accesses a coverage enhancement cell;
if the RRC connection is failed to establish, the radio link is failed or the switching is failed, recording the information related to the SON of the coverage enhancement cell, wherein the information related to the SON comprises the information related to the MTC function;
the UE supporting MTC is accessed to a normal coverage cell;
if the information related to the coverage enhancement cell SON is effective, sending a RRC connection establishment, reconstruction or reconfiguration completion message carrying an effective identifier to the eNB;
the UE supporting MTC receives a UE information request sent by an eNB, wherein the UE information request is used for requesting to inquire the information related to the SON;
and the UE supporting MTC sends a UE information response to the eNB and reports the information related to the SON to the eNB according to the UE information request.
Optionally, the MTC function related information includes:
covering the number of the repeated subframes of the enhanced mode and the various corresponding physical channels;
coverage enhancement grade and the corresponding random access preamble sending number, the repeated sending times of each random access preamble, whether the contention resolution time is reached or not;
whether the total sending times, cell ID, frequency point, RSRP measurement value, RSRQ measurement value and position information of all random access preambles are achieved.
Optionally, the UE information request includes an MTC function related threshold requirement.
Optionally, the MTC function related threshold requirement comprises: a specified coverage enhancement mode, a specified physical channel type, a specified coverage enhancement level, an RSRP threshold, and an RSRQ threshold.
Optionally, the sending, by the UE supporting MTC, a UE information response to the eNB, and reporting, according to the UE information request, the information related to the coverage enhancing cell SON to the eNB includes:
reporting the coverage enhancement mode same as the designated coverage enhancement mode and the number of the repeated subframes of various corresponding physical channels or the number of the repeated subframes of the physical channel same as the designated physical channel type to an eNB; and/or
Reporting the coverage enhancement grade which is the same as the designated coverage enhancement grade and the corresponding random access preamble sending number, the repeated sending times of each random access preamble and whether the competition resolving time is reached to an eNB; and/or
Reporting the RSRP measurement value or the RSRP measurement value which is greater than or equal to the specified RSRP threshold to an eNB; and/or
Reporting the RSRQ measurement value or the RSRQ measurement value which is greater than or equal to the specified RSRQ threshold to an eNB; and/or
And reporting the total sending times, cell ID, frequency point and position information of all random access preambles to the eNB.
In a second aspect, the present invention provides a device for reporting SON related information, including:
a first access unit, configured to access a coverage enhanced cell;
a recording unit, configured to record, if RRC connection establishment fails, a radio link failure, or a handover failure, information related to a coverage enhancement cell SON, where the information related to the SON includes information related to an MTC function;
the second access unit is used for accessing the normal coverage cell;
a sending unit, configured to send an RRC connection establishment, reestablishment, or reconfiguration complete message carrying an validity identifier to an eNB when the information related to the coverage enhancing cell SON is valid;
a receiving unit, configured to receive a UE information request sent by an eNB, where the UE information request is used to request to query information related to a coverage enhancement cell SON;
and the reporting unit is used for sending a UE information response to the eNB and reporting the information related to the SON to the eNB according to the UE information request.
Optionally, the MTC function related information includes:
covering the number of the repeated subframes of the enhanced mode and the various corresponding physical channels;
coverage enhancement grade and the corresponding random access preamble sending number, the repeated sending times of each random access preamble, whether the contention resolution time is reached or not;
whether the total sending times, cell ID, frequency point, RSRP measurement value, RSRQ measurement value and position information of all random access preambles are achieved.
Optionally, the UE information request includes an MTC function related threshold requirement.
Optionally, the MTC function related threshold requirement comprises: a specified coverage enhancement mode, a specified physical channel type, a specified coverage enhancement level, an RSRP threshold, and an RSRQ threshold.
Optionally, the reporting unit is configured to report, to the eNB, a coverage enhancement mode that is the same as the specified coverage enhancement mode and the number of repeated subframes of each type of physical channel corresponding to the coverage enhancement mode, or the number of repeated subframes of a physical channel that is the same as the specified physical channel type; and/or
Reporting the coverage enhancement grade which is the same as the designated coverage enhancement grade and the corresponding random access preamble sending number, the repeated sending times of each random access preamble and whether the competition resolving time is reached to an eNB; and/or
Reporting the RSRP measurement value or the RSRP measurement value which is greater than or equal to the specified RSRP threshold to an eNB; and/or
Reporting the RSRQ measurement value or the RSRQ measurement value which is greater than or equal to the specified RSRQ threshold to an eNB; and/or
And reporting the total sending times, cell ID, frequency point and position information of all random access preambles to the eNB.
In a third aspect, the present invention provides a ue, where the ue includes a device for reporting SON related information.
According to the method, the device and the user equipment for reporting the SON related information, provided by the embodiment of the invention, the UE supporting MTC is accessed to the coverage enhancement cell; if the RRC connection is failed to establish, the radio link is failed or the switching is failed, recording the information related to the SON of the coverage enhancement cell, wherein the information related to the SON comprises the information related to the MTC function; the UE supporting MTC is accessed to a normal coverage cell; if the information related to the coverage enhancement cell SON is effective, sending a RRC connection establishment, reconstruction or reconfiguration completion message carrying an effective identifier to the eNB; the UE supporting MTC receives a UE information request sent by an eNB, wherein the UE information request is used for requesting to inquire the information related to the SON; and the UE supporting MTC sends a UE information response to the eNB and reports the information related to the SON to the eNB according to the UE information request. Compared with the prior art, the method and the device for reporting the SON related information can realize network maintenance and optimization of the coverage enhancement cell through the SON function.
Drawings
Fig. 1 is a flowchart of a method for reporting SON related information according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a device for reporting SON related information according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention provides a method for reporting SON related information, as shown in fig. 1, the method includes:
s11, UE supporting MTC accesses a coverage enhancement cell;
after the MTC function is introduced, the UEs are classified into three types: MTC UE, UE and MTC-enabled UE. The MTC UE only supports the MTC function no matter in a normal coverage cell or a coverage enhancement cell; the UE is a common UE and can only be accessed to a normal coverage cell; the UE supporting MTC can support MTC functions in a coverage enhanced cell in addition to the original LTE functions in a normal coverage cell.
S12, if the RRC connection is failed to establish, the radio link is failed or the switching is failed, recording the information related to the SON of the coverage enhancement cell, wherein the information related to the SON comprises the information related to the MTC function;
wherein the information related to the MTC function comprises: covering the number of the repeated subframes of the enhanced mode and the various corresponding physical channels; coverage enhancement grade and the corresponding random access preamble sending number, the repeated sending times of each random access preamble, whether the contention resolution time is reached or not; whether the total sending times, cell ID, frequency point, RSRP measurement value, RSRQ measurement value and position information of all random access preambles are achieved.
S13, the UE supporting MTC accesses a normal coverage cell;
s14, if the information related to the coverage enhancement cell SON is effective, sending a RRC connection establishment, reconstruction or reconfiguration completion message carrying an effective identifier to the eNB;
the validity of the information related to the coverage enhancement cell SON means that the recorded information related to the coverage enhancement cell SON does not exceed 48 hours, and the UE supporting MTC is not powered off or detached, so that the recorded information related to the coverage enhancement cell SON is not cleared. The validity identifier included in the RRC connection establishment, reestablishment, or reconfiguration complete message considered in the present invention may be different from the validity identifier included in the SON function supported by the normal coverage cell of the general UE of LTE, so that the eNB may distinguish the original LTE function from the new MTC function.
In addition, if the UE supporting MTC is in a coverage enhanced cell, the validity identifier is not set immediately, and thus the SON information related to MTC function is indicated to be recorded. And after the UE supporting the MTC accesses the normal coverage cell, sending an RRC connection establishment, reconstruction or reconfiguration completion message carrying the validity identifier to the eNB, wherein the RRC connection establishment, reconstruction or reconfiguration completion message indicates that the UE supporting the MTC records SON related information related to MTC functions.
S15, the UE supporting MTC receives a UE information request sent by the eNB, and the UE information request is used for requesting to inquire the information related to the coverage enhancement cell SON.
The UE information request may include an MTC function related threshold requirement, or may not include the MTC function related threshold requirement.
The MTC function related threshold requirements include, but are not limited to: a specified coverage enhancement mode, a specified physical channel type, a specified coverage enhancement level, an RSRP threshold, and an RSRQ threshold.
Through setting of the MTC function-related threshold, on one hand, the eNB can flexibly specify the SON-related information required by the UE supporting MTC to report according to the actual performance of the network, and on the other hand, the bit overhead of signaling can be saved.
In addition, if the UE supporting MTC is accessed to the coverage enhancement cell halfway, the UE supporting MTC does not immediately receive the UE information request sent by the eNB, and the UE information request is received after the UE supporting MTC is accessed to the normal coverage cell.
S16, the UE supporting MTC sends a UE information response to the eNB, and reports the information related to the coverage enhancement cell SON to the eNB according to the UE information request.
Reporting the coverage enhancement mode same as the designated coverage enhancement mode, the number of the repeated subframes of various types of corresponding physical channels or the number of the repeated subframes of the physical channels same as the designated physical channel type to an eNB; and/or
Reporting the coverage enhancement grade which is the same as the designated coverage enhancement grade and the corresponding random access preamble sending number, the repeated sending times of each random access preamble and whether the competition resolving time is reached to an eNB; and/or
Reporting the RSRP measurement value or the RSRP measurement value which is greater than or equal to the specified RSRP threshold to an eNB; and/or
Reporting the RSRQ measurement value or the RSRQ measurement value which is greater than or equal to the specified RSRQ threshold to an eNB; and/or
And reporting the total sending times, cell ID, frequency point and position information of all random access preambles to the eNB.
The SON related information reporting method provided by the embodiment of the invention accesses UE supporting MTC into a coverage enhancement cell; if the RRC connection is failed to establish, the radio link is failed or the switching is failed, recording the information related to the SON of the coverage enhancement cell, wherein the information related to the SON comprises the information related to the MTC function; the UE supporting MTC is accessed to a normal coverage cell; if the information related to the coverage enhancement cell SON is effective, sending a RRC connection establishment, reconstruction or reconfiguration completion message carrying an effective identifier to the eNB; the UE supporting MTC receives a UE information request sent by an eNB, wherein the UE information request is used for requesting to inquire the information related to the SON; and the UE supporting MTC sends a UE information response to the eNB and reports the information related to the SON to the eNB according to the UE information request. Compared with the prior art, the method and the device for reporting the SON related information can realize network maintenance and optimization of the coverage enhancement cell through the SON function.
An embodiment of the present invention further provides a device for reporting SON related information, and as shown in fig. 2, the device includes:
a first access unit 11, configured to access a coverage enhanced cell;
a recording unit 12, configured to record, if RRC connection establishment fails, a radio link failure, or a handover failure, information related to a coverage enhancement cell SON, where the information related to the SON includes information related to an MTC function;
a second access unit 13, configured to access a normal coverage cell;
a sending unit 14, configured to send an RRC connection establishment, reestablishment, or reconfiguration complete message carrying an validity identifier to the eNB when the information related to the coverage enhancing cell SON is valid;
a receiving unit 15, configured to receive a UE information request sent by an eNB, where the UE information request is used to request to query information related to a coverage enhancement cell SON;
a reporting unit 16, configured to send a UE information response to the eNB, and report information related to the SON of the coverage enhancement cell to the eNB according to the UE information request.
The device for reporting the SON related information provided by the embodiment of the invention accesses the UE supporting MTC into the coverage enhancement cell; if the RRC connection is failed to establish, the radio link is failed or the switching is failed, recording the information related to the SON of the coverage enhancement cell, wherein the information related to the SON comprises the information related to the MTC function; the UE supporting MTC is accessed to a normal coverage cell; when the information related to the coverage enhancement cell SON is effective, sending a RRC connection establishment, reconstruction or reconfiguration completion message carrying an effective identifier to the eNB; the UE supporting MTC receives a UE information request sent by an eNB, wherein the UE information request is used for requesting to inquire the information related to the SON; and the UE supporting MTC sends a UE information response to the eNB and reports the information related to the SON to the eNB according to the UE information request. Compared with the prior art, the method and the device for reporting the SON related information can realize network maintenance and optimization of the coverage enhancement cell through the SON function.
Optionally, the MTC function related information includes: covering the number of the repeated subframes of the enhanced mode and the various corresponding physical channels;
coverage enhancement grade and the corresponding random access preamble sending number, the repeated sending times of each random access preamble, whether the contention resolution time is reached or not;
whether the total sending times, cell ID, frequency point, RSRP measurement value, RSRQ measurement value and position information of all random access preambles are achieved.
Optionally, the UE information request includes an MTC function related threshold requirement.
Optionally, the MTC function related threshold requirement comprises: a specified coverage enhancement mode, a specified physical channel type, a specified coverage enhancement level, an RSRP threshold, and an RSRQ threshold.
Optionally, the reporting unit is configured to report, to the eNB, a coverage enhancement mode that is the same as the specified coverage enhancement mode and the number of repeated subframes of each type of physical channel corresponding to the coverage enhancement mode, or the number of repeated subframes of a physical channel that is the same as the specified physical channel type; and/or
Reporting the coverage enhancement grade which is the same as the designated coverage enhancement grade and the corresponding random access preamble sending number, the repeated sending times of each random access preamble and whether the competition resolving time is reached to an eNB; and/or
Reporting the RSRP measurement value or the RSRP measurement value which is greater than or equal to the specified RSRP threshold to an eNB; and/or
Reporting the RSRQ measurement value or the RSRQ measurement value which is greater than or equal to the specified RSRQ threshold to an eNB; and/or
And reporting the total sending times, cell ID, frequency point and position information of all random access preambles to the eNB.
The embodiment of the invention also provides the user equipment, which comprises the device for reporting the SON related information.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A method for reporting SON related information is characterized by comprising the following steps:
UE supporting MTC accesses a coverage enhancement cell;
if the RRC connection is failed to establish, the radio link is failed or the handover is failed, recording information related to the SON of the coverage enhancement cell, wherein the information related to the SON comprises information related to an MTC function, and the information related to the MTC function comprises: covering the number of the repeated subframes of the enhanced mode and the various corresponding physical channels; coverage enhancement grade and the corresponding random access preamble sending number, the repeated sending times of each random access preamble, whether the contention resolution time is reached or not; whether the total sending times, cell ID, frequency point, RSRP measurement value, RSRQ measurement value and position information of all random access preambles are reached;
the UE supporting MTC is accessed to a normal coverage cell;
if the information related to the coverage enhancement cell SON is effective, sending a RRC connection establishment, reconstruction or reconfiguration completion message carrying an effective identifier to the eNB;
the UE supporting MTC receives a UE information request sent by an eNB, wherein the UE information request is used for requesting to inquire the information related to the SON;
and the UE supporting MTC sends a UE information response to the eNB and reports the information related to the SON to the eNB according to the UE information request.
2. The method of claim 1, wherein the UE information request includes an MTC function related threshold requirement.
3. The method of claim 2, wherein the MTC function-related threshold requirements comprise: a specified coverage enhancement mode, a specified physical channel type, a specified coverage enhancement level, an RSRP threshold, and an RSRQ threshold.
4. The method of claim 3, wherein the UE supporting MTC sends a UE information response to the eNB, and reporting the information related to the SON to the eNB according to the UE information request comprises:
reporting the coverage enhancement mode same as the designated coverage enhancement mode and the number of the repeated subframes of various corresponding physical channels or the number of the repeated subframes of the physical channel same as the designated physical channel type to an eNB; and/or
Reporting the coverage enhancement grade which is the same as the designated coverage enhancement grade and the corresponding random access preamble sending number, the repeated sending times of each random access preamble and whether the competition resolving time is reached to an eNB; and/or
Reporting the RSRP measurement value or the RSRP measurement value which is greater than or equal to the specified RSRP threshold to an eNB; and/or
Reporting the RSRQ measurement value or the RSRQ measurement value which is greater than or equal to the specified RSRQ threshold to an eNB; and/or
And reporting the total sending times, cell ID, frequency point and position information of all random access preambles to the eNB.
5. A device for reporting SON related information is located in a UE supporting MTC, and comprises:
a first access unit, configured to access a coverage enhanced cell;
a recording unit, configured to record, when RRC connection establishment fails, a radio link failure, or a handover failure, information related to a coverage enhancement cell SON, where the information related to the SON includes information related to an MTC function, and the information related to the MTC function includes: covering the number of the repeated subframes of the enhanced mode and the various corresponding physical channels; coverage enhancement grade and the corresponding random access preamble sending number, the repeated sending times of each random access preamble, whether the contention resolution time is reached or not; whether the total sending times, cell ID, frequency point, RSRP measurement value, RSRQ measurement value and position information of all random access preambles are reached;
the second access unit is used for accessing the normal coverage cell;
a sending unit, configured to send an RRC connection establishment, reestablishment, or reconfiguration complete message carrying an validity identifier to an eNB when the information related to the coverage enhancing cell SON is valid;
a receiving unit, configured to receive a UE information request sent by an eNB, where the UE information request is used to request to query information related to a coverage enhancement cell SON;
and the reporting unit is used for sending a UE information response to the eNB and reporting the information related to the SON to the eNB according to the UE information request.
6. The apparatus of claim 5, wherein the UE information request comprises an MTC function related threshold requirement.
7. The apparatus of claim 6, wherein the MTC function-related threshold requirements comprise: a specified coverage enhancement mode, a specified physical channel type, a specified coverage enhancement level, an RSRP threshold, and an RSRQ threshold.
8. The apparatus of claim 7, wherein the reporting unit is configured to report, to the eNB, a number of repeated subframes of a coverage enhancement mode that is the same as the specified coverage enhancement mode and of each type of physical channel corresponding to the coverage enhancement mode, or a number of repeated subframes of a physical channel that is the same as the specified type of physical channel; and/or
Reporting the coverage enhancement grade which is the same as the designated coverage enhancement grade and the corresponding random access preamble sending number, the repeated sending times of each random access preamble and whether the competition resolving time is reached to an eNB; and/or
Reporting the RSRP measurement value or the RSRP measurement value which is greater than or equal to the specified RSRP threshold to an eNB; and/or
Reporting the RSRQ measurement value or the RSRQ measurement value which is greater than or equal to the specified RSRQ threshold to an eNB; and/or
And reporting the total sending times, cell ID, frequency point and position information of all random access preambles to the eNB.
9. User equipment, characterized in that the user equipment comprises a device for SON-related information reporting according to any of claims 5 to 8.
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