CN105813054B

CN105813054B - PAL management method and device, and paging realization method and device

Info

Publication number: CN105813054B
Application number: CN201410856539.7A
Authority: CN
Inventors: 杜婷; 许辉; 马子江; 王亚英
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2014-12-31
Filing date: 2014-12-31
Publication date: 2020-09-15
Anticipated expiration: 2034-12-31
Also published as: CN105813054A; WO2016107113A1

Abstract

The invention discloses a method and a device for managing a location area list (PAL) and a method and a device for realizing paging, comprising the following steps: after IOPS networking is finished based on isolated evolution type universal terrestrial radio access network operation of public safety, when an eNB or NeNB meets preset allocation conditions, a PAL is allocated to the UE; the eNB or the NeNB saves the allocated PAL or updates the saved PAL by using the allocated PAL, and sends the allocated PAL to the UE, and other eNBs or the NeNB in the IOPS network or one network element in the IOPS network; the UE, and other eNBs or NeNB in the IOPS group or one of the network elements in the IOPS group stores the allocated PAL or updates the stored PAL by using the allocated PAL. The invention realizes the paging process in the IOPS mode.

Description

PAL management method and device, and paging realization method and device

Technical Field

The present invention relates to Public Safety-based Isolated evolved universal terrestrial radio access network Operation (IOPS) technology, and more particularly, to a method and apparatus for managing a location Area List (PAL), and a method and apparatus for implementing paging.

Background

At present, a trunking communication system is developed mainly for meeting the requirements of industry user command and scheduling, and is a special wireless communication system for specific industry application. The main characteristic of the trunking communication system, which is different from the public radio mobile communication system, is that it can provide the two-way communication function of the mobile phone, and also can provide the group (group) call and the whole call in the system, even establish the priority level of the communication, and can make the communication which the general mobile phone does not have such as the priority level call and the emergency call; it also can provide special functions of dynamic recombination and virtual private network in the system. The characteristics are particularly suitable for the special communication of police and national security departments and the demand and scheduling requirements of command and dispatch of airports, customs, public transportation, emergency rescue and disaster relief, so that the trunking communication system has wide application in the fields of government departments, public security, emergency communication, electric power, civil aviation, petrochemical industry, armies, enterprises and the like, is a multipurpose and high-efficiency wireless communication system, and forms a special communication network independent of public mobile communication networks in all parts of the world.

With the increasing shortage of frequency spectrum resources, the call for public network clusters is increasing. Public network clustering refers to the development of specific cluster communication services on the basis of the existing public mobile communication network.

To ensure the ability of clustered ues to continue to talk in critical traffic situations, the third generation partnership project (3GPP )^rdGeneration Partnership Project) proposes a requirement for an IOPS mode, where the IOPS mode refers to an Evolved Node B (eNB) or a free Evolved Node B (NeNB) or a group of enbs or nenbs, and a certain level of communication capability can still be provided for a trunking user in case of a loop interruption or a loop failure that cannot normally transmit signaling or data. No effective solution has been given in the prior art.

An existing method of managing a Tracking Area List (TAL) roughly includes:

a Mobility Management Entity (MME) allocates TALs to UEs in an Attach procedure, a Tracking Area Update procedure, a Globally Unique Temporary User Equipment (UE) Identity (GUTI) re-allocation procedure, the MME stores or updates a correspondence between the allocated TALs and UE identities, and sends the correspondence between the allocated TALs and UE identities to an eNB or a NeNB through an Attach response (Attach Accept) message, or a Tracking Area Update response (Tracking Area Update) message, or a GUTI re-allocation Command (GUTI read Command) message via port S1, and the eNB or the NeNB is sent to the UEs again.

In the conventional method for managing the TAL, the MME itself stores the TAL of the UE, and therefore, when receiving a call from the UE, the MME can initiate paging to the called UE according to the TAL. In the IOPS mode, the MME cannot initiate paging for the UE because the eNB or the NeNB has no loop or a limited loop. However, no effective solution for implementing the paging procedure of the UE in the IOPS mode is provided in the prior art.

Disclosure of Invention

In order to solve the above problems, the present invention provides a method and an apparatus for managing a PAL, and a method and an apparatus for implementing paging, which can implement a paging procedure in an IOPS mode.

In order to achieve the above object, the present invention provides a method for managing a location area list PAL, which comprises the following steps after an IOPS networking is completed based on a public safety isolated evolved universal terrestrial radio access network operation, wherein the IOPS networking comprises:

when an evolved node B eNB or a free evolved node B NeNB meets a preset allocation condition, allocating PAL for the UE;

the eNB or the NeNB saves the allocated PAL or updates the saved PAL by using the allocated PAL, and sends the allocated PAL to the UE, and other eNBs or the NeNB in the IOPS network or one network element in the IOPS network;

the UE, and other eNBs or NeNB in the IOPS group or one of the network elements in the IOPS group stores the allocated PAL or updates the stored PAL by using the allocated PAL.

Preferably, before updating the stored PAL with the allocated PAL, the method further comprises: and the eNB or the NeNB judges that the PAL corresponding to the UE is inconsistent according to the allocated PAL.

Preferably, the allocation conditions include: and the UE establishes radio resource control protocol RRC connection with the eNB or the NeNB to complete, or the B eNB or the B NeNB receives an attachment request message, a location area update (PAU) request message or a globally unique temporary user equipment identity (GUTI) reallocation request message of the UE.

Preferably, the UE sends the PAU request message to the eNB or the NeNB periodically or when an event trigger condition is satisfied.

Preferably, the PAL includes a location area PA identity ID and a UE identity.

Preferably, the PA ID comprises one or more evolved universal terrestrial radio access network, E-UTRAN, cell global identifiers, ECGIs.

Preferably, the UE identity is GUTI.

Preferably, the eNB or the NeNB transmits the allocated PAL to the UE through an attach response message, or a PAU response message, or a GUTI re-allocation command message.

Preferably, the eNB or the NeNB sends the allocated PAL to another eNB or the NeNB in the IOPS group network or one of the network elements in the IOPS group network through an X2 port.

The invention also provides a method for realizing paging, wherein an evolved node B eNB or a free state evolved node BNeNB pre-stores a location area list PAL corresponding to the user equipment UE; further comprising:

the eNB or the NeNB receives a call from the UE, and a position area PA identification ID corresponding to the UE identification of the called UE in the call is searched in the PAL;

the eNB or the NeNB acquires the eNB or the NeNB where the called UE is located from the searched PA ID;

and the eNB or the NeNB judges that the eNB or the NeNB where the called UE is located is the eNB or the NeNB itself, acquires the cell where the called UE is located in the searched PAL, and broadcasts the paging message to the acquired cell.

Preferably, when the eNB or the NeNB determines that the eNB or the NeNB where the called UE is located is not itself, the method further includes:

the eNB or the NeNB forwards the call to the eNB or the NeNB where the called UE is located;

the eNB or NeNB where the called UE is located searches the PA ID corresponding to the UE identification of the called UE in the calling in the PAL;

and the eNB or the NeNB where the called UE is located acquires the cell where the called UE is located from the searched PA ID, and broadcasts a paging message to the acquired cell.

the eNB or the NeNB sends the paging message and the obtained cell to the eNB or the NeNB where the called UE is located;

and the eNB or the NeNB where the called UE is located broadcasts the paging message to the obtained cell.

Preferably, when the eNB or the NeNB cannot find the PAL corresponding to the UE identity of the called UE, the method further includes:

and the eNB or the NeNB returns a failure message to the UE sending the call.

Preferably, one of the network elements in the IOPS network is operated based on a public safety isolated evolved universal terrestrial radio access network, where the PAL of all enbs or nenbs in the IOPS network is saved;

when the eNB or the NeNB cannot find the PA ID corresponding to the UE identifier of the called UE, the method further includes:

the eNB or the NeNB forwards a call to one network element in the IOPS group network;

one network element in the IOPS group searches for a PA ID corresponding to the UE identifier of the called UE in the PAL;

one network element in the IOPS network acquires the eNB or the NeNB where the called UE is located from the searched PA ID;

and one network element in the IOPS network judges that the eNB or the NeNB where the called UE is located is the network element, acquires the cell where the called UE is located from the searched PA ID, and broadcasts a paging message to the acquired cell.

Preferably, when one of the network elements in the IOPS group network determines that the eNB or the NeNB in which the called UE is located is not itself, the method further includes:

one network element in the IOPS group network forwards the call to an eNB or NeNB where the called UE is located;

the eNB or NeNB where the called UE is located searches the PAL for the PA ID corresponding to the UE identification of the called UE in the call;

one network element in the IOPS group network sends a paging message and an obtained cell to an eNB or a NeNB where the called UE is located; and broadcasting a paging message to the obtained cell by the eNB or the NeNB where the called UE is located.

Preferably, the method further comprises, before:

the eNB or the NeNB allocates PAL to the UE when meeting the preset allocation condition;

or, the eNB or the NeNB receives PALs from other enbs or nenbs in the IOPS networking.

The invention also provides a device for managing the location area list PAL, which at least comprises:

the system comprises a first allocation module, a second allocation module and a third allocation module, wherein the first allocation module is used for allocating PAL for the UE when a preset allocation condition is met after IOPS networking is operated on the basis of an isolated evolution type universal terrestrial radio access network with public safety;

the first storage module is used for storing the allocated PAL or updating the stored PAL by using the allocated PAL;

and a first sending module, configured to send the allocated PAL to the UE, and another eNB or NeNB in the IOPS group network, or one of the network elements in the IOPS group network.

Preferably, the first storage module is specifically configured to: and storing the allocated PAL, or judging that the PAL corresponding to the UE is inconsistent according to the allocated PAL, and updating the stored PAL by using the allocated PAL.

Preferably, the first distribution module is specifically configured to:

after IOPS networking is completed, when establishing radio resource control protocol RRC connection with the UE is completed, or when receiving an attachment request message, a location area update PAU request message or a globally unique temporary user equipment identity GUTI reallocation request message from the UE, allocating PAL for the UE.

Preferably, the first sending module is specifically configured to:

sending the allocated PAL to the UE through an attach response message, or a PAU response message, or a GUTI re-allocation command message;

and sending the allocated PAL to other eNBs or NeNB in the IOPS network or one network element in the IOPS network.

Preferably, the first sending module is specifically configured to:

sending the allocated PAL to the UE;

and sending the allocated PAL to other eNBs or NeNB in the IOPS network or one network element in the IOPS network through an X2 port.

a first receiving module, configured to receive an allocated PAL from another evolved node B eNB or a free evolved node B eNB of an IOPS network operated by an isolated public safety-based universal terrestrial radio access network;

and the second storage module is used for storing the allocated PAL or updating the stored PAL by using the allocated PAL.

The invention also provides a device for realizing paging, which at least comprises:

a third storage module, configured to store a location area list PAL corresponding to the UE;

a second receiving module, configured to receive a call from a UE;

a first searching module, configured to search, in the PAL, a location area PA identifier ID corresponding to a UE identifier of a called UE in a call;

a first obtaining module, configured to obtain, in the found PA ID, an eNB or a NeNB in which the called UE is located; when the first judgment module judges that the eNB or the NeNB where the called UE is located is self, the cell where the called UE is located is obtained from the searched PA ID;

the first judgment module is used for judging that the eNB or the NeNB where the called UE is located is the first judgment module;

and a second sending module, configured to broadcast the paging message to the obtained cell.

Preferably, the first judging module is further configured to:

judging that the eNB or the NeNB where the called UE is located is not the eNB or the NeNB itself;

the second sending module is further configured to:

and forwarding the call to the eNB or NeNB where the called UE is located.

Preferably, the first judging module is further configured to: judging that the eNB or the NeNB where the called UE is located is not the eNB or the NeNB itself;

the second sending module is further configured to: and sending the paging message and the obtained cell to the eNB or the NeNB where the called UE is located.

Preferably, the first lookup module is further configured to: finding PAID corresponding to the UE identification of the called UE;

the second sending module is further configured to: and returning a failure message to the UE sending the call.

the second sending module is further configured to:

the call is forwarded to one of the network elements within the public safety-based standalone evolved universal terrestrial radio access network operating IOPS group.

Preferably, the method further comprises the following steps:

and a second allocating module, configured to allocate a PAL to the UE when a preset allocation condition is met.

Preferably, the second receiving module is further configured to:

receiving PAL corresponding to UE from other eNB or NeNB in the IOPS networking.

a fourth storage module, configured to store a location area list PAL corresponding to the UE;

a third receiving module, configured to receive a call from another eNB or NeNB within an IOPS group operating over public safety-based standalone evolved universal terrestrial radio access network;

the second searching module searches PA ID corresponding to the UE identification of the called UE in the calling in the PAL;

a second obtaining module, configured to obtain, in the found PA ID, a cell in which the called UE is located;

and a third sending module, configured to broadcast the paging message to the obtained cell.

a fifth storage module, configured to store a location area list PAL corresponding to a user equipment UE in all evolved node bs enbs or free evolved node enbs in an IOPS network operated by an isolated evolved universal terrestrial radio access network based on public security;

a fourth receiving module, configured to receive a call from another eNB or NeNB within an IOPS network operating on public safety-based standalone evolved universal terrestrial radio access network;

a third searching module, which searches PA ID corresponding to the UE identification of the called UE in the calling in the PAL;

a third obtaining module, configured to obtain, in the found PA ID, an eNB or a NeNB in which the called UE is located; when the second judging module judges that the eNB or the NeNB where the called UE is located is self, the cell where the called UE is located is obtained from the searched PA ID;

the second judgment module is used for judging that the eNB or the NeNB where the called UE is located is the second judgment module;

and a fourth sending module, configured to broadcast the paging message to the obtained cell.

Preferably, the second judging module is further configured to:

the fourth sending module is further configured to:

and forwarding the call to the eNB or NeNB where the called UE is located.

Preferably, the second judging module is further configured to:

the fourth sending module is further configured to:

and sending a paging message and the obtained cell to the eNB or the NeNB where the called UE is located.

Compared with the prior art, the invention comprises the following steps: after IOPS networking is finished, when the eNB or the NeNB meets preset allocation conditions, the PAL is allocated to the UE; the eNB or the NeNB saves the allocated PAL or updates the saved PAL by using the allocated PAL, and sends the allocated PAL to the UE, and other eNBs or the NeNB in the IOPS network or one network element in the IOPS network; the UE, and other eNBs or NeNB in the IOPS group or one of the network elements in the IOPS group stores the allocated PAL or updates the stored PAL by using the allocated PAL. The scheme of the invention realizes the paging process in the IOPS mode.

Drawings

The accompanying drawings in the embodiments of the present invention are described below, and the drawings in the embodiments are provided for further understanding of the present invention, and together with the description serve to explain the present invention without limiting the scope of the present invention.

FIG. 1 is a schematic diagram of a communication system comprising 3 (N) eNBs according to the present invention;

FIG. 2 is a flow chart of a method of managing PAL in accordance with the present invention;

FIG. 3 is a flow chart of a method of implementing paging in accordance with the present invention;

FIG. 4 is a schematic diagram illustrating the structure of an apparatus for managing PAL according to the present invention;

FIG. 5 is a schematic diagram of the structure of another PAL management apparatus according to the present invention;

FIG. 6 is a schematic structural diagram of a first paging implementation apparatus according to the present invention;

FIG. 7 is a schematic structural diagram of a second paging device according to the present invention;

FIG. 8 is a schematic structural diagram of a third apparatus for implementing paging according to the present invention;

FIG. 9 is a schematic structural diagram of an IOPS networking according to a first embodiment of the present invention;

FIG. 10 is a schematic structural diagram of an IOPS networking according to a second embodiment of the present invention;

fig. 11 is a schematic structural diagram of an IOPS networking according to a third embodiment of the present invention.

Detailed Description

The following further description of the present invention, in order to facilitate understanding of those skilled in the art, is provided in conjunction with the accompanying drawings and is not intended to limit the scope of the present invention. In the present application, the embodiments and various aspects of the embodiments may be combined with each other without conflict.

The IOPS requires that when a core network fails (e.g. earthquake, fire, etc. cause system facilities to be damaged), a user should still be able to perform secure and reliable communication, which requires that the wireless broadband access system has higher fault-tolerant processing capability and redundant backup capability, and also requires that the user terminal has stronger functions to support. The present invention describes such a scenario: when a disaster occurs, the core network equipment is damaged, and after IOPS networking is completed, a communication system consisting of a plurality of (N) eNBs is adopted to provide local service and maintain specific group communication. Fig. 1 is a schematic diagram of a communication system composed of 3 (N) enbs.

Referring to fig. 2, the present invention proposes a method of managing a PAL, including:

step 200, after the IOPS networking is finished, the eNB or the NeNB allocates the PAL for the UE when meeting the preset allocation condition.

In this step, the allocation condition may be that the UE establishes radio resource Control protocol (RRC) connection with the eNB or the NeNB, or that the eNB or the NeNB receives an attach request message, a location Area Update (PAU) request message, or a GUTI re-allocation request message from the UE.

In this step, the UE may send a PAU request message to the eNB or the NeNB periodically or when an event trigger condition is satisfied.

The UE may be considered to meet the event trigger condition when performing cell handover or performing cell reselection on the dormant UE.

The period may be determined according to the moving rate of the UE, and the larger the moving rate of the UE is, the shorter the determined period is.

The moving rate of the UE may be obtained by using the prior art, and the specific implementation is not used to limit the protection scope of the present invention, which is not described herein again.

In this step, the eNB or the NeNB may allocate the PAL to the UE by using the existing method, and the specific implementation is not used to limit the protection scope of the present invention, and is not described herein again.

In this step, the PAL includes a location Area (PA) Identifier (ID) and a UE identifier.

Wherein, the PA ID comprises one or more evolved universal Terrestrial Radio Access Network (E-UTRAN) cell global identifiers (ECGI, E-UTRAN CellGlobal Identifier).

The ECGI includes a Public Land Mobile Network (PLMN), an eNB or a NeNB ID, and a cell ID, and the PLMN includes a Mobile Network Code (MNC) and a Country Code (MCC) to which the Mobile subscriber belongs.

Wherein, the UE identity may be a GUTI.

Step 201, the eNB or the NeNB saves or updates the saved PAL with the allocated PAL, and sends the allocated PAL to the UE and another eNB or the NeNB in the IOPS group or one of the network elements in the IOPS group.

In this step, when the allocation condition is that the establishment of RRC connection between the UE and the eNB or the NeNB is completed, the eNB or the NeNB saves the allocated PAL; when the allocation condition is that the eNB or the NeNB receives an attach request message, or a PAU request message, or a GUTI re-allocation request message from the UE, the eNB or the NeNB updates the stored PAL with the allocated PAL.

In this step, when the UE periodically sends the PAU request message to the eNB or the NeNB, before updating the stored PAL with the allocated PAL, the method further includes: and the eNB or the NeNB judges that the PAL corresponding to the UE is inconsistent according to the allocated PAL.

In this step, the eNB or the NeNB may send the allocated PAL to the UE through an attach response message, a PAU response message, or a GUTI re-allocation command message.

In this step, the eNB or the NeNB may send the allocated PAL to another eNB or the NeNB in the IOPS group network or one of the network elements in the IOPS group network through the X2 port.

In this step, the network element may be any eNB or NeNB in the IOPS group network, or an independent network element in the IOPS group network.

In this step, when the number of enbs or nenbs in the IOPS group network is small (for example, the number of enbs or nenbs is less than 4), the allocated PAL may be sent to the UE and other enbs or nenbs in the IOPS group network; and when the number of the enbs or the nenbs in the IOPS group is large (for example, the number of the enbs or the nenbs is more than 4), sending the allocated PAL to one of the UE and the network element in the IOPS group.

Step 202, the UE, and other enbs or nenbs in the IOPS group network, or one of the network elements in the IOPS group network stores the allocated PAL or updates the stored PAL with the allocated PAL.

Referring to fig. 3, the present invention further provides a method for implementing paging, including:

step 300, the eNB or the NeNB saves the PAL corresponding to the UE in advance.

Step 301, the eNB or the NeNB receives a call from the UE, and searches the PAL for a PA ID corresponding to the UE identity of the called UE in the call.

Step 302, the eNB or the NeNB acquires the eNB or the NeNB where the called UE is located from the searched PA ID.

Step 303, the eNB or the NeNB determines that the eNB or the NeNB where the called UE is located is itself, acquires the cell where the called UE is located in the searched PAL, and broadcasts the paging message to the acquired cell.

In this step, the paging message includes the UE id of the called UE.

The method also comprises the following steps:

when the eNB or the NeNB meets preset allocation conditions, allocating PAL for the UE;

alternatively, the eNB or the NeNB receives PALs from other enbs or nenbs within the IOPS networking.

When the eNB or the NeNB determines that the eNB or the NeNB where the called UE is located is not itself, the method further includes:

the eNB or the NeNB forwards the call to the eNB or the NeNB where the called UE is located; searching a PA ID corresponding to the UE identification of the called UE in the calling in the PAL by the eNB or the NeNB where the called UE is located; and the eNB or the NeNB where the called UE is located acquires the cell where the called UE is located from the searched PA ID, and broadcasts the paging message to the acquired cell.

Or, when the eNB or the NeNB determines that the eNB or the NeNB where the called UE is located is not itself, the method further includes:

the eNB or the NeNB sends a paging message and the obtained cell to the eNB or the NeNB where the called UE is located; and broadcasting the paging message to the obtained cell by the eNB or the NeNB where the called UE is located.

The eNB or the NeNB may include the obtained cell in a paging message and transmit the paging message to the eNB or the NeNB where the called UE is located.

When the eNB or the NeNB cannot find the PAL corresponding to the UE identity of the called UE, the method further includes: the eNB or the NeNB returns a failure message to the UE sending the call.

Or one network element in the IOPS group network stores PALs in all enbs or nenbs in the IOPS group network; when the eNB or the NeNB cannot find the PA ID corresponding to the UE identity of the called UE, the method further includes:

the eNB or the NeNB forwards the call to one network element in the IOPS group network; the network element searches PA ID corresponding to the UE identification of the called UE in the PAL; the network element acquires the eNB or the NeNB where the called UE is located from the searched PA ID; and the network element judges that the eNB or the NeNB where the called UE is located is the self, acquires the cell where the called UE is located in the searched PAL, and broadcasts the paging message to the acquired cell.

When the network element judges that the eNB or the NeNB where the called UE is located is not the self-body, the network element forwards the call to the eNB or the NeNB where the called UE is located; searching a PA ID corresponding to the UE identification of the called UE in the calling in the PAL by the eNB or the NeNB where the called UE is located; and the eNB or the NeNB where the called UE is located acquires the cell where the called UE is located from the searched PA ID, and broadcasts the paging message to the acquired cell. Or, the network element sends a paging message and the obtained cell to the eNB or the NeNB where the called UE is located; and broadcasting the paging message to the obtained cell by the eNB or the NeNB where the called UE is located.

Referring to fig. 4, the present invention provides an apparatus for managing a location area list PAL, which at least comprises:

In the apparatus of the present invention, the first storage module is specifically configured to: and storing the allocated PAL, or judging that the PAL corresponding to the UE is inconsistent with the allocated PAL, and updating the stored PAL by using the allocated PAL.

In the apparatus of the present invention, the first distribution module is specifically configured to:

after IOPS networking is completed, when establishing radio resource control protocol RRC connection with UE is completed, or when receiving an attachment request message, a location area update PAU request message or a globally unique temporary user equipment identity GUTI reallocation request message from user equipment UE, allocating PAL for the UE.

In the apparatus of the present invention, the first sending module is specifically configured to:

and sending the allocated PAL to other enbs or nenbs in the IOPS group network, or one of the network elements in the IOPS group network.

sending the allocated PAL to the UE;

and sends the allocated PAL to other enbs or nenbs in the IOPS group network or one of the network elements in the IOPS group network through the X2 port.

Referring to fig. 5, the present invention further provides an apparatus for managing a location area list PAL, which at least includes:

Referring to fig. 6, the present invention further provides an apparatus for implementing paging, which at least includes:

a second receiving module, configured to receive a call from a user equipment UE;

a first searching module, configured to search, in the PAL, a PA ID corresponding to a UE identifier of a called UE in a call;

In the apparatus of the present invention, the first determining module is further configured to:

the second sending module is further configured to:

and forwarding the call to the eNB or NeNB where the called UE is located.

In the apparatus of the present invention, the first determining module is further configured to: judging that the eNB or the NeNB where the called UE is located is not the eNB or the NeNB itself;

In the apparatus of the present invention, the first search module is further configured to: finding PAID corresponding to the UE identification of the called UE;

the second sending module is further configured to:

The apparatus of the present invention further comprises:

and the second allocating module is used for allocating PAL for the UE when the preset allocating condition is met.

In the apparatus of the present invention, the second receiving module is further configured to:

and receiving PAL corresponding to the UE from other eNB or NeNB in the IOPS networking.

Referring to fig. 7, the present invention further provides an apparatus for implementing paging, which at least includes:

a second obtaining module, configured to obtain, from the found PA ID, a cell where the called UE is located;

Referring to fig. 8, the present invention further provides an apparatus for implementing paging, which at least includes:

a fifth storage module, configured to store PALs corresponding to UEs in all enbs or nenbs in the IOPS group network;

the second judgment module is used for judging that the eNB or the NeNB where the called UE is located is the called UE;

In the apparatus of the present invention, the second determining module is further configured to:

the fourth sending module is further configured to:

and forwarding the call to the eNB or NeNB where the called UE is located.

the fourth sending module is further configured to:

and sending the paging message and the obtained cell to the eNB or the NeNB where the called UE is located.

The process of the present invention is illustrated in detail by the following specific examples.

In the first embodiment, as shown in fig. 9, the number of enbs or nenbs in the IOPS group is 3, and a mesh-type network topology may be adopted. Each eNB or NeNB in the IOPS group maintains a PAL total table, and sets a timer for each eNB or NeNB, and the timers are synchronized (Global Positioning System (GPS) synchronization may be adopted). The PAU update period is set according to the condition of the UE (e.g., the mobility rate of the UE). The smaller the moving rate of the UE is, the longer the PAU updating period is; the larger the mobility rate of the UE, the shorter the PAU update period.

When the timer period arrives, the UE may be triggered to perform a PAU procedure (i.e. the UE is triggered to send a PAU request message to the eNB or the NeNB), the eNB or the NeNB may allocate a PAL to the UE with reference to current location information of the UE and conditions of the UE (e.g. a velocity and a moving trajectory of the UE (the velocity is high, several cells may be allocated in a moving trajectory direction thereof, which are specific algorithms and are not referred to in this patent), and conditions of a network (e.g. a coverage of the network, etc.), and when the PAL of the UE is updated, the eNB or the NeNB updates the PAL corresponding to the UE and sends the allocated PAL to other enbs or the NeNB in the IOPS network through the X2 interface.

In the second embodiment, as shown in fig. 10, the number of enbs or nenbs in the IOPS group network is 5, and a star network topology may be adopted. And taking one eNB or NeNB in the IOPS group network as a centralized controller to manage a PAL general table in all the eNBs or NeNB. A timer is set for each eNB or NeNB, and the timers are synchronized (may be synchronized using a global positioning System). The PAU update period is set according to the condition of the UE (e.g., the mobility rate of the UE). The smaller the moving rate of the UE is, the longer the PAU updating period is; the larger the mobility rate of the UE, the shorter the PAU update period.

When the timer period reaches, the UE may be triggered to perform a PAU procedure (that is, the UE is triggered to send a PAU request message to the eNB or the NeNB), the eNB or the NeNB allocates a PAL to the UE according to the current location information of the UE, and when the PAL of the UE is updated, the eNB or the NeNB updates the PAL corresponding to the UE and sends the allocated PAL to the eNB or the NeNB managing a PAL general table in all the enbs or the NeNB through an X2 interface.

In the third embodiment, as shown in fig. 11, the number of enbs or nenbs in the IOPS group network is 4, and a star network topology may be adopted. And taking one independent network element in the IOPS group network as a centralized controller to manage a PAL general table in all eNBs or NeNB. A timer is set for each eNB or NeNB, and the timers are synchronized (may be synchronized using a global positioning System). The PAU update period is set according to the condition of the UE (e.g., the mobility rate of the UE). The smaller the moving rate of the UE is, the longer the PAU updating period is; the larger the mobility rate of the UE, the shorter the PAU update period.

When the timer period reaches, the UE may be triggered to perform a PAU procedure (that is, the UE is triggered to send a PAU request message to the eNB or the NeNB), the eNB or the NeNB allocates a PAL to the UE according to the current location information of the UE, and when the PAL of the UE is updated, the eNB or the NeNB updates the PAL corresponding to the UE and sends the allocated PAL to the independent network element through the X2 port.

It should be noted that the above-mentioned embodiments are only for facilitating the understanding of those skilled in the art, and are not intended to limit the scope of the present invention, and any obvious substitutions, modifications, etc. made by those skilled in the art without departing from the inventive concept of the present invention are within the scope of the present invention.

Claims

1. A method for managing a location area list (PAL) after IOPS networking is completed based on a public safety isolated evolved universal terrestrial radio access network (ISAR), the method comprising:

2. The method of claim 1, wherein prior to updating the stored PAL with the allocated PAL, the method further comprises: and the eNB or the NeNB judges that the PAL corresponding to the UE is inconsistent according to the allocated PAL.

3. The method according to claim 1 or 2, wherein the allocation conditions comprise: and the UE establishes radio resource control protocol RRC connection with the eNB or the NeNB to complete, or the eNB or the NeNB receives an attachment request message, a location area update (PAU) request message or a globally unique temporary user equipment identity (GUTI) reallocation request message from the UE.

4. The method of claim 3, wherein the UE sends the PAU request message to the eNB or NeNB periodically or when an event trigger condition is met.

5. The method of claim 1 or 2, wherein the PAL comprises a location area, PA, identity, ID, and a UE identity.

6. The method of claim 5, wherein the PA ID comprises one or more evolved universal terrestrial radio access network (E-UTRAN) cell global identifiers (ECGIs).

7. The method of claim 5, wherein the UE identity is a GUTI.

8. The method of claim 1 or 2, wherein the eNB or NeNB sends the allocated PAL to the UE via an attach response message, or a PAU response message, or a GUTI re-allocation command message.

9. The method of claim 1 or 2, wherein the eNB or NeNB sends the allocated PAL to other enbs or nenbs within the IOPS group or to one of the network elements within the IOPS group via port X2.

10. A method for realizing paging is characterized in that an evolved node B eNB or a free state evolved node B NeNB pre-stores a location area list PAL corresponding to user equipment UE; further comprising:

the eNB or the NeNB acquires the eNB or the NeNB where the called UE is located from the searched PAID;

11. The method of claim 10, wherein when the eNB or the NeNB determines that the eNB or the NeNB where the called UE is located is not itself, the method further comprises:

the eNB or NeNB where the called UE is located searches PAID corresponding to the UE identification of the called UE in the call in the PAL;

12. The method of claim 10, wherein when the eNB or the NeNB determines that the eNB or the NeNB where the called UE is located is not itself, the method further comprises:

13. The method of claim 10, wherein when the eNB or the NeNB does not find the PAL corresponding to the UE identity of the called UE, the method further comprises:

and the eNB or the NeNB returns a failure message to the UE sending the call.

14. The method of claim 10, wherein a network element in an IOPS network operating based on a public safety isolated evolved universal terrestrial radio access network maintains PALs in all enbs or nenbs in the IOPS network;

one network element in the IOPS group searches PAID corresponding to the UE identification of the called UE in the PAL;

and one network element in the IOPS group judges that the eNB or the NeNB where the called UE is located is the network element, acquires the cell where the called UE is located from the searched PAID, and broadcasts a paging message to the acquired cell.

15. The method of claim 14, wherein when one of the network elements in the IOPS group determines that the eNB or the NeNB where the called UE is located is not itself, the method further comprises:

searching for the PAID corresponding to the UE identification of the called UE in the call in the PAL by the eNB or the NeNB where the called UE is located;

and the eNB or the NeNB where the called UE is located acquires the cell where the called UE is located from the searched PAID, and broadcasts a paging message to the acquired cell.

16. The method of claim 14, wherein when one of the network elements in the IOPS group determines that the eNB or the NeNB where the called UE is located is not itself, the method further comprises:

17. The method according to any one of claims 14 to 16, characterized in that the method is preceded by:

18. An apparatus for managing a location area list (PAL) applied to an evolved node B (eNB) or a free evolved node (BNeNB), comprising at least:

19. The apparatus of claim 18, wherein the first storage module is specifically configured to: and storing the allocated PAL, or judging that the PAL corresponding to the UE is inconsistent according to the allocated PAL, and updating the stored PAL by using the allocated PAL.

20. The apparatus according to claim 18 or 19, wherein the first distribution module is specifically configured to:

21. The apparatus according to claim 18 or 19, wherein the first sending module is specifically configured to:

22. The apparatus according to claim 18 or 19, wherein the first sending module is specifically configured to:

sending the allocated PAL to the UE;

23. An apparatus for managing a location area list, PAL, comprising at least:

a first receiving module, configured to receive an allocated PAL from another evolved nodeb eNB or a free enodeb NeNB of an isolated evolved universal terrestrial radio access network operating IOPS networking based on public safety;

24. An apparatus for implementing paging, applied to an evolved node B, eNB, or a free evolved node B, NeNB, is characterized by at least comprising: a third storage module, configured to store a location area list PAL corresponding to the UE;

a second receiving module, configured to receive a call from a UE;

a first obtaining module, configured to obtain, in the found PA ID, an eNB or a NeNB in which the called UE is located; when the first judgment module judges that the eNB or the NeNB where the called UE is located is the eNB or the NeNB, the cell where the called UE is located is obtained from the searched PAID;

25. The apparatus of claim 24, wherein the first determining module is further configured to:

the second sending module is further configured to:

and forwarding the call to the eNB or NeNB where the called UE is located.

26. The apparatus of claim 24, wherein the first determining module is further configured to: judging that the eNB or the NeNB where the called UE is located is not the eNB or the NeNB itself;

27. The apparatus of claim 24, wherein the first lookup module is further configured to: finding PAID corresponding to the UE identification of the called UE;

28. The apparatus of claim 24, wherein the first lookup module is further configured to: finding PAID corresponding to the UE identification of the called UE;

the second sending module is further configured to:

29. The apparatus of any one of claims 24 to 28, further comprising:

30. The apparatus of claim 28, wherein the second receiving module is further configured to:

31. An apparatus for implementing paging, applied to an evolved node B, eNB, or a free evolved node B, NeNB, is characterized by at least comprising:

the second searching module searches PAID corresponding to the UE identification of the called UE in the calling in the PAL;

a second obtaining module, configured to obtain, from the found PAID, a cell in which the called UE is located;

32. An apparatus for implementing paging, comprising at least:

a fifth storage module, configured to store a location area list PAL corresponding to user equipment UE in all evolved node bs enbs or a free evolved node B NeNB in an IOPS group operated by an isolated evolved universal terrestrial radio access network based on public security;

a third searching module, which searches PAID corresponding to UE identification of called UE in calling in PAL;

a third obtaining module, configured to obtain, in the found PA ID, an eNB or a NeNB in which the called UE is located; when the second judging module judges that the eNB or the NeNB where the called UE is located is self, the cell where the called UE is located is obtained from the searched PAID;

33. The apparatus of claim 32, wherein the second determining module is further configured to:

the fourth sending module is further configured to:

and forwarding the call to the eNB or NeNB where the called UE is located.

34. The apparatus of claim 32, wherein the second determining module is further configured to:

the fourth sending module is further configured to: