WO2014206179A1 - Procédé, terminal, station de base et système, et support d'informations pour la mise en œuvre de l'établissement d'une relation de voisins automatique - Google Patents

Procédé, terminal, station de base et système, et support d'informations pour la mise en œuvre de l'établissement d'une relation de voisins automatique Download PDF

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Publication number
WO2014206179A1
WO2014206179A1 PCT/CN2014/079022 CN2014079022W WO2014206179A1 WO 2014206179 A1 WO2014206179 A1 WO 2014206179A1 CN 2014079022 W CN2014079022 W CN 2014079022W WO 2014206179 A1 WO2014206179 A1 WO 2014206179A1
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WO
WIPO (PCT)
Prior art keywords
cgi
cell
establishment
request message
source cell
Prior art date
Application number
PCT/CN2014/079022
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English (en)
Chinese (zh)
Inventor
王坤
孔鹮
张成嵩
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2014206179A1 publication Critical patent/WO2014206179A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/18—Management of setup rejection or failure

Definitions

  • the present invention relates to mobile communication technologies, and in particular, to a method, a terminal, a base station, a system, and a storage medium for implementing automatic neighborhood relationship establishment. Background technique
  • the ANR function manages the neighbor relationship list.
  • the neighbor detection function is used to discover the neighbor and add the neighbor to the neighbor relationship list.
  • the neighboring cell deletion function is used to delete the obsolete neighboring cell relationship; the neighboring cell deleting function belongs to a kind of base station internal behavior, and the neighboring cell detecting function needs to be completed by the base station (eNB) and the terminal (UE, User Equipment) interacting.
  • the ANR function is to add and manage neighbor relationship by detecting and reporting the Cell Global Identifier (CGI) of the target cell.
  • CGI Cell Global Identifier
  • the method for detecting and reporting the CGI defined in the current protocol is as shown in FIG. 1.
  • the UE sends a measurement report related to the target cell B to the base station, where the measurement report includes a physical cell identifier (PCI, Physical Cell Identifier) of the target cell B. And not including the CGI; after the base station receives the measurement report including the PCI sent by the UE, the base station instructs the UE to read the CGI information of the cell corresponding to the PCI, that is, reads the CGI information of the target cell B; when the UE detects When the CGI of the target cell B is used, the UE reports the detected CGI to the base station.
  • PCI Physical Cell Identifier
  • the UE When the base station determines, according to the CGI information, that the newly discovered neighboring cell, that is, the target cell B, is not in the neighboring cell list, the UE adds the CGI to the neighboring cell list. Complete the ANR function.
  • the base station needs to schedule a suitable idle state to allow the UE to read the broadcast message of the target cell B, so as to facilitate the UE from the target.
  • the CGI is obtained in the broadcast message of the cell B.
  • the UE needs to enter the idle state to read the broadcast message of the target cell, and then obtain the CGI information. However, if the UE does not support the idle state function, or the UE cannot enter the idle state due to the service restriction, the CGI acquisition cannot be completed, and the ANR function is can not complete;
  • the ANR function cannot be completed, for example: configuration problem. Due to the above problems, the ANR function cannot be completed, and the automatic neighbor relationship cannot be established. If there is no neighbor relationship, the UE cannot perform handover, and the coordination or elimination of neighbor interference cannot be implemented. In this case, the UE— A re-establishment will occur. Summary of the invention
  • the embodiment of the present invention provides a method, a terminal, a base station, a system, and a storage medium for establishing an automatic neighbor relationship, which can establish an automatic neighbor relationship, improve network switching success rate, and reduce call drop rate. .
  • An embodiment of the present invention provides a method for establishing an automatic neighbor relationship, where the method includes:
  • the reason for determining the trigger re-establishment is that when the radio link fails, the CGI of the source cell is compared with the CGI of the re-established selected cell. If the CGI of the re-establishment request message sent to the network side is different, the CGI of the source cell is added, and the CGI is consistent. When there is a CGI that is not successfully reported, a CGI that is not successfully reported is added to the re-establishment request message sent to the network side, and the re-establishment to the network side is initiated by the re-establishment request message.
  • the method further includes:
  • the adding the neighbor relationship includes:
  • the cell corresponding to the CGI that is not successfully reported is added to the neighbor relationship list of the source cell;
  • the source cell is added to the neighbor relationship list of the re-established selected cell.
  • the method before the determining that the trigger re-establishment is caused by the radio link failure, the method further includes:
  • the present invention further provides a terminal, where the terminal includes a first determining module, a first determining module, a first determining module, and a sending module;
  • the first determining module is configured to determine whether the cause of the trigger re-establishment is a radio link failure
  • the first determining module is configured to compare whether the CGI of the source cell is consistent with the CGI of the re-established selected cell;
  • the first decision module is configured to add a CGI of the source cell in the re-establishment request message sent to the network side when the CGI of the source cell is inconsistent with the CGI of the re-established selected cell; CGI and re-establishment in the source cell When the CGI of the selected cell has a CGI that is not successfully succeeded, a CGI that is not successfully added is added to the re-establishment request message sent to the network side;
  • the sending module is configured to send a re-establishment request message to the network side.
  • the first determining module is further configured to: when receiving the CGI indication sent by the network side, failing to report the CGI or failing to report the CGI, determining whether the cause of the re-establishment is a radio link failure.
  • the present invention also provides a base station, where the base station includes a receiving module, a second determining module, and a second determining module;
  • the receiving module is configured to receive a re-establishment request message;
  • the second determining module is configured to determine whether the cell corresponding to the CGI in the re-establishment request message has a neighbor relationship relationship
  • the second decision module is configured to add a neighbor relationship.
  • the second decision module is further configured to: when the re-established selected cell is the source cell, add the cell corresponding to the CGI that is not successfully reported to the neighbor cell relationship list of the source cell;
  • the source cell is added to the neighbor relationship list of the re-established selected cell.
  • the present invention also provides a system for establishing an automatic neighbor relationship, the system comprising a terminal and a base station;
  • the terminal is configured to determine whether the trigger re-establishment is caused by the failure of the radio link, and whether the CGI of the source cell is consistent with the CGI of the re-established cell, and if the CGI is inconsistent, the source is added to the re-establishment request message sent to the network side.
  • the CGI of the cell is consistent and there is an unsuccessful CGI, the CGI that is not successfully reported is added to the re-establishment request message sent to the network side, and the re-establishment to the network side is initiated by the re-establishment request message;
  • the base station is configured to determine that the neighboring cell relationship is added when the re-established selected cell has no neighboring cell relationship with the cell corresponding to the CGI in the re-establishment request message.
  • the terminal is the terminal described above;
  • the base station is the base station described above.
  • a storage medium having stored therein a computer program, the computer program being configured to perform the aforementioned method of implementing automatic neighborhood relationship ANR establishment.
  • the method, the terminal, the base station, and the system for establishing the automatic neighbor relationship are determined by the embodiment of the present invention.
  • the reason for determining the trigger re-establishment is that the CGI of the source cell is consistent with the CGI of the re-established selected cell when the radio link fails. , re-establishment request sent to the network side when inconsistent When the CGI of the source cell is added to the message, and the CGI is unsuccessful, the CGI that is not successfully uploaded is sent to the re-establishment request message sent to the network side, and is initiated by the re-establishment request message. The network side re-establishment.
  • the present invention can implement self-establishment of the automatic neighbor relationship by carrying the necessary CGI in the re-establishment request message when the existing ANR function cannot be implemented or a problem occurs in the implementation process.
  • the ANR function can be implemented by carrying the CGI in the re-establishment request message, thereby effectively supplementing the ANR function in the current protocol, and improving the network handover success rate.
  • the technical solution of the embodiment of the present invention is particularly applicable to the failure of the terminal to report the CGI to the base station due to the radio link in the process of performing the ANR establishment. Application scenario.
  • Figure 1 is a schematic diagram of the implementation of the ANR function defined in the existing specification
  • FIG. 2 is a schematic flowchart of an implementation process of an automatic neighbor relationship establishment method according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart of an implementation process of sending a CGI to a base station by re-establishing a request message according to an embodiment of the present invention
  • FIG. 4 is a schematic flowchart of a process of completing an ANR function after a base station receives a re-establishment request message according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of a terminal for establishing an automatic neighbor relationship relationship according to an embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of a base station for establishing an automatic neighbor relationship relationship according to an embodiment of the present invention
  • FIG. 7 is a schematic diagram of implementing an automatic neighbor according to an embodiment of the present invention
  • Step 201 Determine whether the cause of the trigger re-establishment is that the global cell identifier CGI of the source cell is consistent with the CGI of the re-established selected cell when the radio link fails, and is added in the re-establishment request message sent to the network side when the discrepancy is inconsistent.
  • the CGI of the source cell is consistent and there is an unsuccessful CGI on the network, the CGI is added to the re-establishment request message sent to the network side.
  • Step 202 Initiate re-establishment to the network side by using the re-establishment request message.
  • the network side may be a base station.
  • the PCI of the source cell may be compared with the PCI of the cell of the re-establishment, the PCI and the CGI of the source cell and the re-establishment
  • the PCI and CGI of the cell are inconsistent, the CGI of the source cell is added to the re-establishment request message sent to the network side, and the PCI and CGI of the source cell are consistent with the PCI and CGI of the re-established cell and are unsuccessful.
  • a CGI that is not successfully reported is added to the re-establishment request message sent to the network side.
  • the CGI of the source cell does not necessarily coincide with the re-established cell CGI; the CGI of the source cell and the CGI of the re-established selected cell
  • the PCI of the source cell is consistent with the PCI of the cell that re-establishes the selection.
  • the method further comprises:
  • the neighbor relationship is added.
  • the performing the neighbor relationship addition includes:
  • the cell corresponding to the CGI that is not successfully reported is added to the neighbor relationship list of the source cell;
  • the source cell is added to the neighbor relationship list of the re-established selected cell.
  • the method for determining the trigger re-establishment is before the radio link fails, the method also includes:
  • the present invention After receiving the CGI indication sent by the network side, the CGI failed to be reported or the CGI failed to be reported.
  • the present invention first needs to determine whether the cause of the re-establishment is a radio link failure, and then whether the CGI of the specific-established cell and the source cell is consistent, and further decides whether to carry the CGI in the re-establishment request and how to carry the CGI according to the comparison result, and finally The base station determines whether to establish a neighbor relationship according to the CGI carried in the re-establishment request.
  • FIG. 3 is a schematic diagram of an implementation process of sending a CGI to a base station by re-establishing a request message according to an embodiment of the present invention. As shown in FIG. 3, the process includes the following steps:
  • Step 301 When performing the ANR process, the terminal determines whether there is a CGI that has not been successfully reported, if yes, step 302 is performed, if not, step 303 is performed;
  • the terminal determines whether the ANR process is performed according to whether the CGI measurement task sent by the base station is received. When the terminal receives the CGI measurement task sent by the base station, it determines that the ANR process is performed.
  • Step 302 The terminal saves the CGI that has not been successfully reported, and then performs step 303;
  • Step 303 The terminal determines whether a re-establishment occurs, if yes, step 304 is performed, and if not, step 311 is performed;
  • Step 304 The terminal determines whether the cause of the re-establishment is a radio link failure, if yes, step 305 is performed; if no, step 310 is performed;
  • Step 305 The terminal saves the source cell PCI and CGI, and performs cell selection, and then performs step 306;
  • the performing cell selection refers to re-establishing cell selection performed at the time of re-establishment.
  • Step 306 Compare PCI and CGI of the source cell with whether the PCI and CGI of the re-established cell are consistent. If they are inconsistent, go to step 307; if they are consistent, go to step 308;
  • the CGI of the source cell does not necessarily coincide with the re-established cell CGI; the CGI of the source cell and the re-establishment selection
  • the CGI of the source cell is consistent with the PCI of the cell that re-establishes the selected cell.
  • Step 307 The source cell CGI is carried in the re-establishment request message, and then the re-establishment process is initiated.
  • Step 308 Determine whether there is a CGI that has not been successfully reported. If yes, go to step 309. If not, go to step 310.
  • Step 309 Carrying a re-establishment CGI in the re-establishment request, and then initiating a re-establishment process;
  • Step 310 Initiating a re-establishment process;
  • Step 311 The current processing flow ends.
  • FIG. 4 is a schematic flowchart of an ANR function performed by a base station after receiving a re-establishment request message according to an embodiment of the present invention. As shown in FIG. 4, the process includes the following steps:
  • Step 401 The base station receives the re-establishment request message, and then performs step 402;
  • the re-establishment request message received by the base station is a re-establishment request message sent by the terminal.
  • Step 402 The base station determines whether there is a neighbor relationship with the cell corresponding to the CGI carried in the re-establishment request message, if not, step 403 is performed; if yes, step 404 is performed;
  • Step 403 Add a neighbor relationship according to the ANR policy
  • the cell corresponding to the CGI that is not successfully reported is added to the neighbor relationship list of the source cell; when the re-established selected cell is not the source cell, the source cell is added. To re-establish the neighbor relationship list of the selected cell.
  • Step 404 The current processing flow ends.
  • FIG. 5 is a schematic structural diagram of a terminal for establishing an automatic neighbor relationship according to an embodiment of the present invention.
  • the terminal includes a first determining module 51, a first determining module 52, a first determining module 53, and a sending module. 54; Among them,
  • the first determining module 51 is configured to determine whether the cause of triggering the re-establishment is a radio link failure
  • the first determining module 52 is configured to compare the CGI of the source cell with the cell that re-establishes the selection. Whether the CGI is consistent;
  • the first decision module 53 is configured to add a CGI of the source cell to the re-establishment request message sent to the network side when the CGI of the source cell is inconsistent with the CGI of the re-established selected cell;
  • the CGI that is not successfully succeeded is added to the re-establishment request message sent to the network side;
  • the sending module 54 is configured to send a re-establishment request message to the network side.
  • the terminal further includes a first determining module 51, configured to: when receiving the CGI indication sent by the network side, failing to report the CGI or failing to report the CGI, determining whether the cause of the re-establishment is a radio link failure.
  • a first determining module 51 configured to: when receiving the CGI indication sent by the network side, failing to report the CGI or failing to report the CGI, determining whether the cause of the re-establishment is a radio link failure.
  • the terminal may be a mobile phone, or a tablet computer, or a terminal such as a smart TV.
  • the first determining module 51, the first determining module 52, and the first determining module 53 may each be programmable by a central processing unit (CPU), a microprocessor (MPU), a digital signal processor (DSP), or a field located at the terminal. Gate array (FPGA) and other implementations.
  • the transmitting module 54 can be implemented by an antenna system on the terminal.
  • FIG. 6 is a schematic structural diagram of a base station for establishing an automatic neighbor relationship according to an embodiment of the present invention. As shown in FIG. 6, the base station includes a receiving module 61, a second determining module 62, and a second determining module 63.
  • the receiving module 61 is configured to receive a re-establishment request message
  • the second determining module 62 is configured to determine whether the re-established cell has a neighbor relationship with a cell corresponding to the CGI in the reestablishment request message;
  • the second decision module 63 is configured to perform neighbor relationship addition.
  • the second decision module 63 is further configured to:
  • the cell corresponding to the CGI that is not successfully reported is added to the neighbor cell relationship list of the source cell;
  • the second determining module 62 and the second determining module 63 may each be programmed by a central processing unit (CPU), a microprocessor (MPU), a digital signal processor (DSP), or a field located at the terminal.
  • the transmitting module 54 can be implemented by an antenna system on the terminal.
  • the receiving module 61 can be implemented by an antenna system on the base station.
  • FIG. 7 is a schematic structural diagram of a system for implementing automatic neighborhood relationship establishment according to an embodiment of the present invention. As shown in FIG. 7, the system includes a terminal 71 and a base station 72;
  • the terminal 71 is configured to determine whether the reason for triggering the re-establishment is that the CGI of the source cell is consistent with the CGI of the re-established selected cell when the radio link fails, and is added in the re-establishment request message sent to the network side when the inconsistency occurs.
  • the CGI of the source cell is consistent and there is a CGI that is not successfully reported
  • the CGI that is not successfully succeeded is added to the re-establishment request message sent to the network side, and the re-establishment to the network side is initiated by the re-establishment request message.
  • the base station 72 is configured to determine that the neighbor relationship is added when the re-established selected cell has no neighbor relationship with the cell corresponding to the CGI in the re-establishment request message.
  • the terminal 71 is configured to determine whether re-establishment occurs; determining whether to add a CGI in the re-establishment request message according to the reason for triggering re-establishment, re-establishing the cell, and determining the state of the terminal when the re-establishment occurs;
  • the 72 is configured to determine whether to add the neighbor relationship according to the CGI and the neighbor relationship list reported by the terminal 71.
  • the status of the terminal includes whether the terminal is performing an ANR process and whether the terminal has a CGI that has not been successfully reported.
  • the terminal is a terminal that supports the establishment of an automatic neighbor relationship by re-establishment.
  • the specific structure of the terminal is shown in Figure 5.
  • the base station is a base station that supports the establishment of an automatic neighbor relationship by re-establishment. As shown in Figure 6.
  • the embodiment of the invention further describes a storage medium, wherein the storage medium stores a computer program, and the computer program is configured to perform the method for implementing the automatic neighborhood relationship ANR establishment of the foregoing embodiment.
  • the storage medium stores a computer program
  • the computer program is configured to perform the method for implementing the automatic neighborhood relationship ANR establishment of the foregoing embodiment.
  • the invention can realize the self-establishment of the automatic neighborhood relationship by carrying the necessary CGI in the re-establishment request message when the existing ANR function cannot be realized or a problem occurs in the implementation process.
  • the ANR function can be implemented by carrying the CGI in the re-establishment request message, thereby effectively supplementing the ANR function in the current protocol, and improving the network switching. Success rates, reduced call drop rates, and improved overall network performance are all beneficial.
  • the present invention is particularly applicable to an application scenario in which a terminal reports a CGI failure to a base station due to a wireless link in the process of establishing an ANR.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé permettant de mettre en œuvre l'établissement d'une relation de voisins automatique (ANR) : lorsqu'une défaillance de liaison radio est déterminée comme étant la cause du déclenchement d'un nouvel établissement, l'identité globale de cellule (CGI) d'une cellule source est comparée au niveau de la cohérence avec la CGI d'une cellule sélectionnée pour le nouvel établissement ; en cas d'incohérence, la CGI de la cellule source est ajoutée dans un message de requête de nouvel établissement transmis à un côté de réseau ; en cas de cohérence et de présence d'une CGI rapportée sans succès, la CGI rapportée sans succès est ajoutée au message de requête de nouvel établissement transmis au côté du réseau, et le nouvel établissement vers le côté du réseau est mis en œuvre par l'intermédiaire du message de requête de nouvel établissement. Un terminal, une station de base et un système, et un support d'informations pour l'établissement d'ANR sont également décrits.
PCT/CN2014/079022 2013-06-25 2014-05-30 Procédé, terminal, station de base et système, et support d'informations pour la mise en œuvre de l'établissement d'une relation de voisins automatique WO2014206179A1 (fr)

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CN201310257142.1 2013-06-25
CN201310257142.1A CN104254090B (zh) 2013-06-25 2013-06-25 一种实现自动邻区关系建立的方法、终端、基站及***

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CN107864481B (zh) * 2016-09-22 2022-08-16 中兴通讯股份有限公司 邻区优化方法、装置及基站
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