CN110798852B - Ad hoc network enhancing method and terminal equipment - Google Patents

Ad hoc network enhancing method and terminal equipment Download PDF

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Publication number
CN110798852B
CN110798852B CN201911132570.5A CN201911132570A CN110798852B CN 110798852 B CN110798852 B CN 110798852B CN 201911132570 A CN201911132570 A CN 201911132570A CN 110798852 B CN110798852 B CN 110798852B
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hoc network
information
network information
base station
rrc connection
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CN110798852A (en
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林雁
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Spreadtrum Communications Shanghai Co Ltd
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Spreadtrum Communications Shanghai Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • 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 for enhancing an ad hoc network and terminal equipment. The method comprises the following steps: the method comprises the steps that when a wireless link fails, switching fails or wireless resource control connection establishment fails, a terminal judges whether coexistence interference exists or not; and determining whether to send the ad hoc network information to the base station based on the judgment result. The terminal device includes a determination unit configured to: judging whether coexistence interference exists or not when a radio link fails, switching fails or radio resource control connection establishment fails; and determining whether to transmit the ad hoc network information to the base station based on the determination result. The method and the terminal equipment provided by the invention improve the reliability of the related information of the self-organizing network and enhance the quality of the self-organizing network by considering the influence of coexistence interference on the radio link failure information under the scene of radio link failure and switching failure and the access measurement information under the scene of radio resource control connection establishment failure.

Description

Ad hoc network enhancing method and terminal equipment
Technical Field
The invention relates to the field of communication, in particular to a method for enhancing an ad hoc network and terminal equipment.
Background
In a Self-Organizing Network (SON) technology in a Long Term Evolution (Long Term Evolution, LTE) communication system, a terminal (User Equipment, UE) needs to record some SON related information, including Minimization of Drive Test (MDT) information, radio Link Failure (RLF) information in a Radio Link Failure (Radio Link Failure, HOF) scenario, and Radio Resource Control (RRC) access measurement information in a Radio Resource Control (RRC) connection establishment Failure scenario, and report the information to a base station. Specifically, the SON-related information includes content such as serving cell information, measurement information of neighboring cells of the same frequency, different frequency and different systems, location information, and time information. The base station collects the reports of the UE and interacts the report content with the adjacent base station, so that the network can be self-optimized according to the network performance parameters and the deployment condition, such as operations of flexibly configuring wireless parameters, switching and the like, the network coverage is optimized, the network construction and maintenance cost of operators is reduced, and the user experience is improved.
However, when one UE supports multiple radio access technologies, which are In the same UE, and simultaneously transceives data using a single radio frequency design, interference between the multiple radio access technologies cannot be avoided, i.e., so-called Coexistence (IDC) interference. IDC interference affects SON-related information collected by the UE, such as Reference Signal Receiving Power (RSRP) and Reference Signal Receiving Quality (RSRQ) measurements, thereby causing information pollution. Once the base station uses this inaccurate information to evaluate network coverage and performance, it may lead to erroneous diagnostic conclusions and optimization measures. In the prior art, only the scheme for enhancing the SON by considering the influence of the IDC interference on the MDT measurement information is adopted, and the influence of the IDC interference on the RLF information in the RLF and HOF scenarios and the access measurement information in the RRC connection establishment failure scenario is not considered.
Therefore, a new method is needed to improve the reliability of SON-related information by considering the influence of IDC interference on RLF information in RLF and HOF scenarios and access measurement information in RRC connection establishment failure scenarios, so as to enhance the quality of ad hoc network.
Disclosure of Invention
The invention solves the problems that: and improving the reliability of the SON related information to enhance the quality of the self-organized network.
The embodiment of the invention provides a method for enhancing an ad hoc network, which comprises the following steps: the method comprises the steps that when a wireless link fails, switching fails or wireless resource control connection establishment fails, a terminal judges whether coexistence interference exists or not; and determining whether to send the ad hoc network information to the base station based on the judgment result.
Optionally, the ad hoc network information includes content such as serving cell information, measurement information of neighboring cells of the same frequency, different frequency and different systems, location information, and time information.
Optionally, the determining whether to send the ad hoc network information to the base station based on the determination result includes: and if the coexistence interference does not exist, sending the self-organizing network information to the base station.
Optionally, the method further includes: before sending the ad hoc network information to the base station, sending an RRC connection setup complete message, an RRC connection reconfiguration complete message or an RRC connection reestablishment complete message including a first identifier to the base station, wherein the first identifier indicates that the terminal records the ad hoc network information.
Optionally, the ad hoc network information includes a second identifier, and the second identifier indicates that the terminal does not have the coexistence interference.
Optionally, the determining whether to send the ad hoc network information to the base station based on the determination result includes: and if the coexistence interference exists, not sending the self-organized network information to the base station.
Optionally, the determining whether to send the ad hoc network information to the base station based on the determination result includes: if the coexistence interference exists, sending at least part of the self-organizing network information comprising a second identifier to the base station, wherein the second identifier indicates that the coexistence interference exists in the terminal.
Optionally, the method further includes: recording the at least partial ad hoc network information before sending the at least partial ad hoc network information to the base station; and generating and sending an RRC connection setup complete message, an RRC connection reconfiguration complete message or an RRC connection reestablishment complete message to the base station.
Optionally, the recording the at least part of ad hoc network information includes: recording a first portion of the ad hoc network information including the second identifier, the second identifier further indicating that a second portion of the ad hoc network information that is not recorded is missing due to being affected by the coexistence interference, the first portion including at least one of location information and time information of the terminal.
Optionally, the RRC connection setup complete message, the RRC connection reconfiguration complete message, or the RRC connection reestablishment complete message includes a first identifier, where the first identifier indicates that the terminal has recorded at least part of the ad hoc network information.
Optionally, the first identifier further indicates that the terminal has the coexistence interference.
Optionally, the method further includes: receiving a request message sent by the base station, wherein the request message is generated by the base station after receiving the RRC connection setup completion message, the RRC connection reconfiguration completion message or the RRC connection reestablishment completion message and is used for requesting to obtain at least part of the ad hoc network information; and sending a response message to the base station based on the request message, wherein the response message comprises the at least part of the ad hoc network information.
Optionally, the at least part of ad hoc network information includes all of the ad hoc network information.
Optionally, the at least part of the ad hoc network information is a first part of the ad hoc network information, and the first part includes at least one of location information and time information of the terminal.
Optionally, the method further includes: and after the coexistence interference is eliminated, removing the second identifier or setting the second identifier to indicate that the terminal does not have the coexistence interference.
An embodiment of the present invention further provides a terminal device, including a determining unit, configured to: judging whether coexistence interference exists or not when a radio link fails, switching fails or radio resource control connection establishment fails; and determining whether to send the ad hoc network information to the base station based on the judgment result.
Optionally, the ad hoc network information includes content such as serving cell information, measurement information of neighboring cells of the same frequency, different frequency and different systems, location information, and time information.
Optionally, the determining unit is configured to: and if the coexistence interference does not exist, determining to send the ad hoc network information, wherein the terminal equipment further comprises a first sending unit for sending the ad hoc network information to the base station.
Optionally, the terminal device further includes a second sending unit, configured to send, to the base station, an RRC connection setup complete message, an RRC connection reconfiguration complete message, or an RRC connection reestablishment complete message that includes a first identifier before sending the ad hoc network information to the base station, where the first identifier indicates that the terminal device has recorded the ad hoc network information.
Optionally, the ad hoc network information includes a second identifier, and the second identifier indicates that the terminal device does not have the coexistence interference.
Optionally, the determining unit is configured to: and if the coexistence interference exists, determining not to send the self-networking information to the base station.
Optionally, the determining unit is configured to: if the coexistence interference exists, determining to send at least part of the ad hoc network information including a second identifier to the base station, where the second identifier indicates that the coexistence interference exists in the terminal device, and the terminal device further includes a first sending unit configured to send the at least part of the ad hoc network information to the base station.
Optionally, the terminal device further includes: a recording unit for recording the at least part of the ad hoc network information; a message generating unit for generating an RRC connection setup complete message, an RRC connection reconfiguration complete message, or an RRC connection reestablishment complete message; and a second sending unit, configured to send the RRC connection setup complete message, the RRC connection reconfiguration complete message, or the RRC connection reestablishment complete message to the base station.
Optionally, the recording unit is configured to: recording a first portion of the ad hoc network information including the second identifier, the second identifier further indicating that a second portion of the ad hoc network information that is not recorded is missing due to being affected by the coexistence interference, the first portion including at least one of location information and time information of the terminal device.
Optionally, the RRC connection setup complete message, the RRC connection reconfiguration complete message, or the RRC connection reestablishment complete message includes a first identifier, where the first identifier indicates that the terminal device has recorded at least part of the ad hoc network information.
Optionally, the first identifier further indicates that the coexistence interference exists in the terminal device.
Optionally, the terminal device further includes a receiving unit, configured to receive a request message sent by the base station, where the request message is generated by the base station after receiving the RRC connection setup complete message, the RRC connection reconfiguration complete message, or the RRC connection reestablishment complete message, and is used to request to obtain the at least part of ad hoc network information, and the first sending unit is configured to send a response message to the base station based on the request message, where the response message includes the at least part of ad hoc network information.
Optionally, the at least part of ad hoc network information includes all of the ad hoc network information.
Optionally, the at least part of the ad hoc network information is a first part of the ad hoc network information, and the first part includes at least one of location information and time information of the terminal device.
Optionally, the recording unit is further configured to: and after the coexistence interference is eliminated, removing the second identifier or setting the second identifier to indicate that the terminal equipment does not have the coexistence interference.
Compared with the prior art, the technical scheme of the invention has the following advantages:
in the method provided by the embodiment of the invention, when RLF, HOF or RRC connection is failed to be established, the terminal judges whether IDC interference exists or not, and determines whether SON information is sent to the base station or not based on the judgment result. The influence of IDC interference on RLF information in RLF and HOF scenes and access measurement information in RRC connection establishment failure scenes is considered, so that the reliability of SON related information is improved, and the quality of the self-organizing network is enhanced.
Further, if it is determined that IDC interference does not exist, generating the SON information including a second identifier by which a base station is informed that the IDC interference does not exist for the terminal.
Further, if IDC interference is determined to exist, the SON information is not sent to the base station, so that the base station is prevented from evaluating network coverage and performance by using the information interfered by the IDC, and meanwhile, the signaling flow of the SON information can be simplified.
Further, if it is determined that IDC interference exists, generating at least part of the SON information including a second identifier by which a base station is informed that the terminal has the IDC interference.
Further, a first identifier is set in an RRC connection setup complete message, an RRC connection reconfiguration complete message, or an RRC connection reestablishment complete message, and the base station knows that the terminal has recorded at least part of the SON information through the first identifier.
Further, the first identifier also indicates that the terminal has the IDC interference, the base station knows that the terminal has recorded at least part of the SON information and has the IDC interference through the first identifier, and the base station can determine whether the at least part of the SON information is needed based on the first identifier, so as to determine whether to send a request message to the terminal, thereby simplifying a signaling flow of the SON information.
Further, the terminal records only part of the SON information, the first identifier indicates that the terminal has recorded the first part of the SON information, and the base station may determine whether the first part is needed according to the first identifier, so as to determine whether to send the request message to the terminal, which may simplify the report content and signaling flow of the SON information. Further, the base station knows not only that the IDC interference exists in the terminal through the second identifier, but also that a second part which is not recorded in the SON information is absent due to the influence of the IDC interference.
Drawings
Fig. 1 is a flow chart illustrating a SON enhancement method according to an embodiment of the present invention;
fig. 2 is a flow chart illustrating a SON enhancement method according to another embodiment of the present invention;
fig. 3 is a block diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
As a background, in the prior art, there is only a scheme for enhancing SON by considering the influence of IDC interference on MDT measurement information, but for RLF information in RLF and HOF scenarios and access measurement information in RRC connection setup failure scenarios, the influence of IDC interference on them is not considered. The embodiment of the invention provides a new SON enhancing method, which improves the reliability of SON related information by considering the influence of IDC interference on RLF information in RLF and HOF scenes and access measurement information in RRC connection establishment failure scenes so as to enhance the quality of self-networking.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Referring to fig. 1, fig. 1 is a flowchart illustrating a SON enhancement method according to an embodiment of the present invention.
The method comprises the following steps:
step S101, when RLF, HOF or RRC connection is failed to be established, the terminal judges whether IDC interference exists; and
and step S102, determining whether to send the SON information to the base station or not based on the judgment result.
In some embodiments, in step S101, the terminal determines whether IDC interference exists based on a frequency point and a sensitivity of the terminal to IDC interference.
In some embodiments, the SON information includes RLF information in RLF and HOF scenarios, access measurement information in RRC connection setup failure scenarios, and the like. Specifically, the SON information may include content such as serving cell information, measurement information of neighboring cells of the same frequency, different frequency, and different systems, location information, and time information.
In some embodiments, when RLF, HOF, or RRC setup fails, the terminal may determine whether IDC interference exists, and if IDC interference exists, it may be considered that the RLF, HOF, or RRC setup failure is caused by the existence of the IDC interference.
In some embodiments, if it is determined that the IDC interference does not exist in the terminal, it is determined to send the SON information to the base station. Before sending the SON information to the base station, the terminal may send an RRC connection setup complete message, an RRC connection reconfiguration complete message, or an RRC connection reestablishment complete message to the base station. In some embodiments, the RRC connection setup complete message, RRC connection reconfiguration complete message, or RRC connection reestablishment complete message includes a first identifier indicating that the terminal has recorded the SON information. In some embodiments, the SON information includes a second identifier for indicating that the terminal is absent the IDC interference.
In some embodiments, when it is determined that the IDC interference is present for the terminal, it indicates that the SON information may be inaccurate, and the base station may cause erroneous diagnosis conclusions and optimization measures if directly evaluating network coverage and performance using the inaccurate SON information, and thus, the terminal may choose not to send the SON information to the base station.
In some embodiments, when it is determined that the IDC interference exists in the terminal, the terminal may also select to send at least part of the SON information to the base station, and add a second identifier to the at least part of the SON information to inform the base station that the IDC interference exists in the terminal, and the base station may know that the at least part of the SON information may be affected by the IDC interference based on the second identifier, so it may evaluate network coverage and performance in combination with other information.
As can be seen from the above steps, in the embodiment of the present invention, when the RLF, the HOF, or the RRC connection establishment fails, it is determined whether IDC interference exists, and then it is determined whether to send SON information to the base station based on the determination result. The influence of IDC interference on RLF information in RLF and HOF scenes and access measurement information in RRC connection establishment failure scenes is considered, so that the reliability of SON related information is improved, and the quality of the self-organizing network is enhanced.
Hereinafter, a SON enhancing method provided by the embodiment of the present invention is described by taking an example in which a terminal sends SON information to a base station when IDC interference exists.
Referring to fig. 2, fig. 2 is a flowchart illustrating a SON enhancement method according to another embodiment of the present invention, and the detailed steps are described in detail below.
In step S201, the terminal determines whether IDC interference exists when RLF, HOF, or RRC connection establishment fails.
For specific content of step S201, reference may be made to the description of step S101 in the foregoing embodiment, which is not described herein again.
In step S202, if the IDC interference exists, at least part of SON information including a second identifier is recorded, where the second identifier indicates that the IDC interference exists in the terminal.
The at least part of SON information may be all SON information or part of SON information.
In some embodiments, the entire SON information may include serving cell information, measurement information of neighboring cells of the same frequency, different frequency, and different systems, location information, time information, and the like, and the partial SON information may be location information and/or time information of the terminal, and the like.
In some embodiments, the terminal considers that some SON information is greatly influenced by the IDC interference, and therefore, the SON information, such as serving cell information, or measurement information of neighboring cells of the same frequency, different frequency, and different systems, and the like, is not recorded, but only a first part of the SON information is recorded, where the first part may be location information and/or time information of the terminal. In a specific implementation, the second identifier may further indicate that an unrecorded second part of the SON information is missing due to the influence of the IDC interference, where the second part includes serving cell information, or measurement information of neighboring cells of the same frequency, different frequency, and different systems, and the like.
In step S203, an RRC connection setup complete message, an RRC connection reconfiguration complete message, or an RRC connection reestablishment complete message including a first identifier is generated and sent to the base station, where the first identifier indicates that the terminal has recorded at least part of the SON information.
After receiving the RRC connection setup complete message, the RRC connection reconfiguration complete message, or the RRC connection reestablishment complete message, the base station may know that the terminal has recorded at least part of the SON information through the first identifier.
In some embodiments, the first identifier indicates that the terminal has recorded the first part of the SON information, the first part including location information and/or time information of the terminal, and/or the like. The base station may determine whether the first part is needed based on the first identifier, and if so, the method further comprises the following steps S204 and S205. The base station may also consider that it does not need the location information and time information of the terminal, so that the method does not perform the following steps.
In some embodiments, the first identifier further indicates that the terminal has the IDC interference, and the base station determines whether the at least part of the SON information is needed based thereon, and likewise, if it is deemed needed, the method further includes the following steps S204 and S205.
In step S204, a request message sent by the base station is received.
The request message is generated by the base station after receiving the RRC connection setup complete message, the RRC connection reconfiguration complete message, or the RRC connection reestablishment complete message, and is used for requesting to obtain at least part of the SON information.
As described above, after receiving the RRC connection setup complete message, the RRC connection reconfiguration complete message, or the RRC connection reestablishment complete message, the base station may know that the terminal has recorded at least part of the SON information through the first identifier, and in some embodiments may even know that the IDC interference exists in the terminal. The base station may decide to send the request message to the terminal based on the first identifier to obtain the at least part of SON information.
In step S205, a response message is sent to the base station based on the request message, where the response message includes the at least part of SON information.
At this point, the terminal completes sending the at least part of SON information to the base station.
After receiving the at least part of SON information, the base station may know that the IDC interference exists in the terminal based on the second identifier. The base station may determine whether the received at least part of SON information is affected by the IDC interference. Even if at least part of SON information is affected by IDC interference, the base station may also evaluate network coverage and performance in combination with other information, for example, the base station may utilize an overall Radio Resource Management (RRM) algorithm from the perspective of comprehensive deployment of Long Term Evolution (LTE), wiFi, bluetooth, or exclude the effect of IDC interference according to the measurement results or history information records of other neighboring terminals, etc.
Optionally, in step S203, the RRC connection setup complete message, the RRC connection reconfiguration complete message, or the RRC connection reestablishment complete message may not include the first identifier, and the base station directly sends a request message to the terminal after receiving the RRC connection setup complete message, the RRC connection reconfiguration complete message, or the RRC connection reestablishment complete message, to obtain the at least part of SON information.
In some embodiments, the method further comprises: removing the second identifier in the at least part of the SON information or setting the second identifier for indicating that the terminal does not have the IDC interference when the IDC interference is cancelled. In some embodiments, the terminal eliminates the IDC interference by using antenna isolation, transmit-side filtering, power control, frequency division multiplexing, or time division multiplexing. In some embodiments, the terminal may send an IDC indication message to request a base station to cancel the IDC interference, and the base station may cancel the IDC interference by using a frequency division multiplexing or time division multiplexing method after receiving the IDC indication message.
As can be seen from the above embodiments, when it is determined that IDC interference is present, the terminal records at least part of SON information including a second identifier indicating that the terminal is present with IDC interference. And after receiving a request message sent by a base station, the terminal sends the at least part of SON information to the base station. The base station can know that the terminal is subjected to IDC interference through the second identifier.
If the RRC connection setup complete message, the RRC connection reconfiguration complete message, or the RRC connection reestablishment complete message includes the first identifier, the base station may know that the terminal has recorded the at least part of the SON information through the first identifier, and may even know that the IDC interference exists in the terminal, and based on this, the base station determines whether the at least part of the SON information is needed, thereby determining whether to send the request message. In this way, the signaling flow of SON information can be simplified.
Correspondingly, an embodiment of the invention also provides the terminal equipment. Referring to fig. 3, the terminal device 300 includes a determining unit 301 configured to: when RLF, HOF or RRC connection establishment fails, judging whether IDC interference exists or not; and determining whether to transmit the SON information to the base station based on the determination result.
In some embodiments, the SON information includes RLF information in RLF and HOF scenarios, access measurement information in RRC connection setup failure scenarios, and the like. Specifically, the SON information may include content such as serving cell information, measurement information of neighboring cells of the same frequency, different frequency and different systems, location information, and time information.
In some embodiments, the determining unit 301 is configured to: if it is determined that the IDC interference does not exist, the SON information is determined to be sent, and the terminal device 300 further includes a first sending unit 302 configured to send the SON information to the base station. In a specific implementation, the terminal device 300 further includes a second sending unit 303, configured to send an RRC connection setup complete message, an RRC connection reconfiguration complete message, or an RRC connection reestablishment complete message to the base station before sending the SON information to the base station. The RRC connection setup complete message, the RRC connection reconfiguration complete message, or the RRC connection reestablishment complete message may include a first identifier indicating that the terminal device 300 has recorded the SON information. The SON information may further include a second identifier indicating that the terminal device 300 does not have the IDC interference.
In some embodiments, if it is determined that the IDC interference exists in the terminal device 300, the determining unit 301 considers that the SON information may be inaccurate, and if the base station directly evaluates network coverage and performance by using the inaccurate SON information, the base station may cause an incorrect diagnosis result and optimization measure, so the determining unit 301 may determine not to send the SON information to the base station, thereby simplifying a signaling flow of the SON information.
In some embodiments, if it is determined that the IDC interference exists in the terminal device 300, the determining unit 301 determines to send at least part of the SON information including a second identifier to the base station, where the second identifier is used to indicate that the IDC interference exists in the terminal device 300. The first sending unit 302 is configured to send the at least part of SON information to the base station. The at least part of SON information may be all SON information or part of SON information. The whole SON information may include service cell information, measurement information of neighboring cells of the same frequency, different frequency and different systems, location information, time information, and the like, and the partial SON information may be location information and/or time information of the terminal, and the like.
In a specific implementation, the terminal device 300 further includes: a recording unit 304 for recording the at least part of the SON information; and a message generating unit 305 for generating an RRC connection setup complete message, an RRC connection reconfiguration complete message, or an RRC connection reestablishment complete message. The second sending unit 303 is configured to send the RRC connection setup complete message, the RRC connection reconfiguration complete message, or the RRC connection reestablishment complete message to the base station.
In some embodiments, the recording unit 304 is configured to: recording a first portion of the SON information including the second identifier, the second identifier further indicating that a second portion of the SON information not recorded is missing due to being affected by the IDC interference. In some embodiments, the first portion includes location information and/or time information of the terminal device 300, and the second portion includes serving cell information, measurement information of neighboring cells of the same frequency, different frequency, and different systems, and the like.
In a specific implementation, the RRC connection setup complete message, the RRC connection reconfiguration complete message, or the RRC connection reestablishment complete message may further include a first identifier, where the first identifier indicates that the terminal device 300 has recorded at least part of the SON information. In some embodiments, the first identifier indicates that the terminal device 300 has recorded the first portion of the SON information. The base station may determine whether the first part of the SON information recorded by the terminal device 300 is needed based on the first identifier.
In some embodiments, the first identifier further indicates that the IDC interference is present for the terminal device 300. The base station determines whether the at least partial SON information is needed based thereon.
In some embodiments, the terminal device 300 further comprises a receiving unit 306. The receiving unit 306 is configured to receive a request message sent by the base station, and the first sending unit 302 is configured to send a response message to the base station based on the request message.
The request message is configured to request to obtain the at least part of the SON information, and the response message includes the at least part of the SON information.
In some embodiments, the recording unit 304 is further configured to: removing the second identifier or setting the second identifier for indicating that the IDC interference is not present for the terminal device 300 when the IDC interference is cancelled. The IDC interference may be eliminated by the terminal device 300 or the base station, and the specific method may refer to the description in the foregoing method embodiment.
In some embodiments, the first transmitting unit 302, the second transmitting unit 303 and the receiving unit 306 may be wireless transceiving devices; the determining unit 301, the recording unit 304 and the message generating unit 305 may be a processor, such as a CPU, MCU, DSP, etc.
To sum up, in the method and the terminal device provided by the embodiments of the present invention, when an RLF, an HOF, or an RRC connection is failed to be established, the terminal determines whether IDC interference exists, and determines whether to send SON information to the base station based on a determination result. The influence of IDC interference on RLF information in RLF and HOF scenes and access measurement information in RRC connection establishment failure scenes is considered, so that the reliability of SON related information is improved, and the quality of the self-organized network is enhanced.
Further, if it is determined that IDC interference does not exist, generating the SON information including a second identifier by which a base station is informed that the terminal does not exist IDC interference.
Further, if IDC interference is determined to exist, the SON information is not sent to the base station, so that the base station is prevented from evaluating network coverage and performance by using the information interfered by the IDC, and meanwhile, the signaling flow of the SON information can be simplified.
Further, if it is determined that IDC interference exists, generating at least part of the SON information including a second identifier by which a base station is informed that the terminal has the IDC interference.
Further, a first identifier is set in an RRC connection setup complete message, an RRC connection reconfiguration complete message, or an RRC connection reestablishment complete message, and the base station knows that the terminal has recorded at least part of the SON information through the first identifier.
Further, the first identifier also indicates that the terminal has the IDC interference, the base station knows that the terminal has recorded at least part of the SON information and has the IDC interference through the first identifier, and the base station can determine whether the at least part of the SON information is needed based on the first identifier, so as to determine whether to send a request message to the terminal, thereby simplifying a signaling flow of the SON information.
Further, the terminal records only a part of SON information, the first identifier indicates that the terminal has recorded the first part of the SON information, and the base station may determine whether the first part is needed according to the first identifier, so as to determine whether to send a request message to the terminal, thereby simplifying report content and signaling flow of the SON information. Further, the base station knows not only that the IDC interference exists in the terminal through the second identifier, but also that a second part which is not recorded in the SON information is absent due to the influence of the IDC interference.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (20)

1. A method for enhancing an ad hoc network, comprising:
the method comprises the steps that when a wireless link fails, switching fails or wireless resource control connection establishment fails, a terminal judges whether coexistence interference exists or not; and
determining whether to send ad hoc network information to the base station based on the judgment result, including: if the coexistence interference exists, sending at least part of the self-organizing network information comprising a second identifier to the base station, wherein the second identifier indicates that the terminal has the coexistence interference;
before sending the at least part of the ad hoc network information to the base station, recording the at least part of the ad hoc network information; generating and sending an RRC connection establishment completion message, an RRC connection reconfiguration completion message or an RRC connection reestablishment completion message to the base station; the recording the at least part of the ad hoc network information comprises: recording a first portion of the ad hoc network information including the second identifier, the second identifier further indicating that a second portion of the ad hoc network information that is not recorded is missing due to being affected by the coexistence interference, the first portion including at least one of location information and time information of the terminal; the RRC connection setup complete message, the RRC connection reconfiguration complete message, or the RRC connection reestablishment complete message includes a first identifier indicating that the terminal has recorded the at least part of ad hoc network information;
receiving a request message sent by the base station, wherein the request message is generated by the base station after receiving the RRC connection setup completion message, the RRC connection reconfiguration completion message or the RRC connection reestablishment completion message and is used for requesting to obtain at least part of the ad hoc network information; and
sending a response message to the base station based on the request message, the response message including the at least part of the ad hoc network information.
2. The method of claim 1, wherein the ad-hoc network information comprises serving cell information, co-frequency, inter-frequency, and inter-system neighbor measurement information, location information, and time information.
3. The method of claim 1, wherein the determining whether to send ad-hoc network information to a base station based on the determination comprises: and if the coexistence interference does not exist, sending the self-organized network information to the base station.
4. The method of claim 3, further comprising: before sending the ad hoc network information to the base station, sending an RRC connection establishment completion message, an RRC connection reconfiguration completion message or an RRC connection reestablishment completion message including a first identifier to the base station, wherein the first identifier indicates that the terminal has recorded the ad hoc network information.
5. The method of claim 4, wherein the ad hoc network information comprises a second identifier indicating that the terminal is absent of the coexistence interference.
6. The method of claim 1, wherein the determining whether to send ad hoc network information to a base station based on the determination comprises: and if the coexistence interference exists, not sending the self-organized network information to the base station.
7. The method of claim 1, wherein the first identifier further indicates the terminal's presence of the coexistence interference.
8. The method of claim 1, wherein the at least partial ad hoc network information comprises all of the ad hoc network information.
9. The method of claim 1, wherein the at least partial ad hoc network information is a first portion of the ad hoc network information, the first portion comprising at least one of location information and time information of the terminal.
10. The method of claim 1, further comprising: and after the coexistence interference is eliminated, removing the second identifier or setting the second identifier to indicate that the terminal does not have the coexistence interference.
11. A terminal device, comprising:
a determination unit configured to: judging whether coexistence interference exists or not when a radio link fails, switching fails or radio resource control connection establishment fails; and determining whether to send ad hoc network information to the base station based on the judgment result, including: if the coexistence interference exists, sending at least part of the self-organizing network information comprising a second identifier to the base station, wherein the second identifier indicates that the coexistence interference exists in the terminal; the terminal device further comprises a first sending unit, configured to send the at least part of ad hoc network information to the base station;
a recording unit for recording the at least part of the ad hoc network information; the recording the at least part of the ad hoc network information comprises: recording a first portion of the ad hoc network information including the second identifier, the second identifier further indicating that a second portion of the ad hoc network information that is not recorded is missing due to being affected by the coexistence interference, the first portion including at least one of location information and time information of the terminal;
a message generating unit, configured to generate an RRC connection setup complete message, an RRC connection reconfiguration complete message, or an RRC connection reestablishment complete message; the RRC connection setup complete message, the RRC connection reconfiguration complete message, or the RRC connection reestablishment complete message includes a first identifier indicating that the terminal has recorded the at least part of ad hoc network information;
a second sending unit, configured to send the RRC connection setup complete message, the RRC connection reconfiguration complete message, or the RRC connection reestablishment complete message to the base station;
a receiving unit, configured to receive a request message sent by the base station, where the request message is generated by the base station after receiving the RRC connection setup complete message, the RRC connection reconfiguration complete message, or the RRC connection reestablishment complete message, and is used to request to obtain the at least part of ad hoc network information, and the first sending unit is configured to send a response message to the base station based on the request message, where the response message includes the at least part of ad hoc network information.
12. The terminal device of claim 11, wherein the ad hoc network information includes serving cell information, intra-frequency, inter-frequency, and inter-system neighbor measurement information, location information, and time information.
13. The terminal device of claim 11, wherein the determining unit is to: and if the coexistence interference does not exist, determining to send the ad hoc network information, wherein the terminal equipment further comprises a first sending unit for sending the ad hoc network information to the base station.
14. The terminal device of claim 13, wherein the terminal device further comprises a second sending unit, configured to send an RRC connection setup complete message, an RRC connection reconfiguration complete message, or an RRC connection reestablishment complete message including a first identifier to the base station before sending the ad hoc network information to the base station, wherein the first identifier indicates that the terminal device has recorded the ad hoc network information.
15. The terminal device of claim 14, wherein the ad hoc network information comprises a second identifier indicating that the terminal device is absent the coexistence interference.
16. The terminal device of claim 11, wherein the determining unit is to: and if the coexistence interference exists, determining not to send the self-networking information to the base station.
17. The terminal device of claim 11, wherein the first identifier further indicates the presence of the coexistence interference by the terminal device.
18. The terminal device of claim 11, wherein the at least partial ad hoc network information comprises all of the ad hoc network information.
19. The terminal device of claim 11, wherein the at least partial ad hoc network information is a first portion of the ad hoc network information, the first portion including at least one of location information and time information of the terminal device.
20. The terminal device of claim 11, wherein the recording unit is further configured to: and after the coexistence interference is eliminated, removing the second identifier or setting the second identifier to indicate that the coexistence interference does not exist in the terminal equipment.
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