CN111314993A - Method and device for improving paging success rate of shared base station - Google Patents
Method and device for improving paging success rate of shared base station Download PDFInfo
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- CN111314993A CN111314993A CN202010116499.8A CN202010116499A CN111314993A CN 111314993 A CN111314993 A CN 111314993A CN 202010116499 A CN202010116499 A CN 202010116499A CN 111314993 A CN111314993 A CN 111314993A
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- CSRZQMIRAZTJOY-UHFFFAOYSA-N trimethylsilyl iodide Substances C[Si](C)(C)I CSRZQMIRAZTJOY-UHFFFAOYSA-N 0.000 claims description 16
- 238000012986 modification Methods 0.000 claims description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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Abstract
The invention provides a method and a device for improving paging success rate of a shared base station, wherein the step of generating an available UE information list by the shared base station in the method comprises the step of periodically modifying broadcast parameter values of the base station; a step of sending new broadcast information by the base station; accessing the UE to the base station; a step of acquiring the information of the UE by the base station; and the base station saves the information of the UE to the available UE list; the device realizes the method. Compared with the prior art, the invention has the following advantages and beneficial effects: by acquiring all UE information residing in the shared base station, filtering and screening paging messages below a network side, and only sending the paging messages of the UE residing in the shared base station at an air interface side, the aims of reducing the paging pressure of the air interface side and improving the user experience are achieved. The problem that the paging message at the air interface side is abnormally discarded due to the fact that the paging quantity at the inherent network side of a shared base station and the like is large can be solved, the success rate of called paging is improved, and user experience is improved.
Description
Technical Field
The invention relates to the field of shared base stations, in particular to a method and a device for improving paging success rate of a shared base station.
Background
The incoming call service of the mobile communication system is established on the basis of finding the mobile subscriber through radio paging and redistributing the required network resources. That is, the radio paging success rate is also an important network quality indicator. Moreover, the index also directly influences the success rate of system call-in and short message receiving success rate and other network assessment quality indexes. Therefore, maintaining and improving the radio paging success rate has been the major task of network optimization.
In order to confirm the location of a mobile station, a coverage area of a mobile communication network is divided into a plurality of Tracking Areas (TAs), which are basic units for location update and paging in a mobile communication system, and a plurality of cells are included under the same TA. When a user is attached, an MME (Mobility Management Entity, which is a key node of a 3GPP protocol LTE access network) allocates a group of TA Lists (length 1-16) to the user and sends the TA Lists to the user for storage. When the user needs to be paged, the network sends a paging message to the user in a cell contained in the TAList. At this time, all cells receiving the network paging message will send paging message over the air interface to ensure that the designated user can be paged. It is conceivable that the paging capacity is very large and the paging channel resources are consumed. Under the same TA List, the more cells, the more paging messages received by a single cell and invalid for the cell, the more paging capacity of the cell is easily exceeded, that is, the paging overload is caused.
If the paging fails due to the reasons of location update, call setup conflict, terminal power-off, weak coverage or blind area, etc., the MSC (Mobile Switching center) initiates a secondary paging according to the current policy. The second paging, i.e. global paging, is to page the user in the whole MSC. Secondary paging is the method which can solve the problem of paging failure, but the paging quantity of an air interface is multiplied, the paging channel resource is further consumed, the paging overload is further aggravated, and the method is undoubtedly a huge test on the network performance.
In a mobile communication system, with the increasing of mobile users, the rapid growth of voice and data services, the increasing of the load of RNC (Radio Network Controller) equipment, the increasing of RNC paging congestion rate and paging overload rate, the more serious the problem triggered by paging failure and paging time extension, and the direct influence on user experience.
When the paging congestion occurs in the cell, the paging message can not be sent. The current technology is to count the congestion situation of the paging channel of the current network, and if the congestion situation of the paging channel exists, the congestion situation is avoided or improved by adjusting parameters and expanding capacity. But as the cell capacity reaches the upper limit, paging overload inevitably occurs. For paging overload, the current solution is to discard some policy or discard some amount of the overloaded paging message, without distinguishing whether it is an idle user in the cell. This will inevitably result in that some users cannot be paged, and the following secondary paging strategy further aggravates paging overload of large-scale cells, resulting in a vicious circle.
The above problem is more pronounced within shared base stations. The reason is that the shared base station needs to serve two or more operators (assumed to be N operators) at the same time, the network side of each operator sends a network side paging message to the shared base station, the network side paging pressure of the shared base station is equal to N times that of the unshared base station, and the air interface side paging pressure is also N times that of the unshared base station. Therefore, the shared base station must solve the problem of paging pressure being too great.
Disclosure of Invention
The present invention provides a method and an apparatus for improving paging success rate by sharing a base station, aiming at the problems existing in the prior art.
The method can achieve the purpose of reducing the paging pressure of the air interface side by acquiring the information of all UE (User Equipment, generally referred to as a mobile phone and the like) residing under the shared base station, filtering and screening the paging messages below the network side, and only sending the paging messages of the UE residing on the shared base station at the air interface side. By using the method and the device, the problems that the paging message at the air interface side is abnormally discarded and the like due to the large paging quantity at the network side inherent in the shared base station and the like can be avoided, the success rate of called paging is improved, and the user experience is improved.
The technical scheme adopted by the invention for realizing the technical purpose is as follows: a method for improving paging success rate of a shared base station comprises the following steps of generating an available UE information list in the shared base station:
102, a base station issues new broadcast information;
Further, in the method for improving paging success rate by sharing a base station, the method includes: the broadcast parameter values include TAC and LAC.
Further, in the method for improving paging success rate by sharing a base station, the method includes: in step 104, the base station acquires the UE information including the IMSI, TMSI, and P-TMSI of the UE.
Further, in the method for improving paging success rate by sharing a base station, the method includes: the shared base station also comprises the following steps of sending network side paging messages:
Further, in the method for improving paging success rate by sharing a base station, the method includes: in step 203, it is determined whether the paging message is matched with available UEs; whether the paging message is a valid paging message is judged by obtaining the IMSI, TMSI or P-TMSI of the UE.
The invention also provides a device of the method for improving the paging success rate according to the shared base station, which comprises the following steps: the system comprises a broadcast parameter modification module, a base station broadcast information issuing module, a UE information acquisition module and a UE information storage module;
the broadcast parameter modifying module is used for modifying the broadcast parameter value of the base station;
the base station broadcast information issuing module is used for issuing information such as broadcast parameters to the UE after modifying the base station broadcast parameter values;
the UE information acquisition module is used for acquiring the information of the UE; including IMSI, TMSI and P-TMSI;
and the UE information storage module is used for storing the acquired UE information into a UE information list.
Further, in the above apparatus: further comprising: the system comprises a network side paging message receiving module, a judging module and an air interface side paging message sending module;
and the network side paging message receiving module is used for receiving a paging message sent to the base station by a network side core network, and the paging message can carry UE information.
The judging module is used for judging whether the network side paging message is matched with available UE;
and the module for sending the paging message at the air interface side is used for sending the paging message at the network side to the air interface of the base station, so that the corresponding UE receives the paging message and makes a paging response.
Further, in the above apparatus: the UE information comprises IMSI, TMSI and P-TMSI.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. by acquiring all UE information residing in the shared base station, filtering and screening paging messages below a network side, and only sending the paging messages of the UE residing in the shared base station at an air interface side, the aims of reducing the paging pressure of the air interface side and improving the user experience are achieved.
2. The problem that the paging message at the air interface side is abnormally discarded due to the fact that the paging quantity at the inherent network side of a shared base station and the like is large can be solved, the success rate of called paging is improved, and user experience is improved.
The invention will be explained in more detail below with reference to the drawings and examples.
Drawings
Fig. 1 is a flowchart of the steps of generating a list of available UE information according to the present invention.
Fig. 2 is a flow chart of the steps of sending a network-side paging message in accordance with the present invention.
Fig. 3 is a block diagram of the present invention for generating a list of available UE information.
FIG. 4 is a block diagram of a network side paging message of the present invention'
Detailed Description
The embodiment is a method and a device for improving paging success rate of a shared base station, and the method and the device can effectively reduce paging pressure on an air interface side, and avoid the problems that paging messages on the air interface side are abnormally discarded due to large paging amount on the inherent network side of the shared base station and the like. The base station related in this embodiment may be a GSM system, a CDMA2000 system, a WCDMA system, a TD-SCDMA system, a mobile communication system, and a 5G system, and is particularly suitable for a shared base station. The technical scheme of the invention is described in detail in the following with reference to the accompanying drawings.
As shown in fig. 1, in the method for improving paging success rate of a shared base station in this embodiment, first, a method for generating an available UE information list is provided, which includes the following steps:
as shown in fig. 2, the method for improving paging success rate of a shared base station in this embodiment further includes a method for sending a network-side paging message, where the method includes the following steps:
In step 202, the base station traverses the list of available UEs.
In addition, this embodiment further provides a device for improving paging success rate by sharing a base station, where the device includes a device for generating an available UE information list, and the device includes: the system comprises a broadcast parameter modification module, a base station broadcast information issuing module, a UE information acquisition module and a UE information storage module. As shown in fig. 3:
a broadcast parameter modification module 301, configured to modify a base station broadcast parameter value;
a base station broadcast information issuing module 302, configured to, after modifying a base station broadcast parameter value, issue information such as a broadcast parameter to the UE;
an obtaining UE information module 303, configured to obtain information of the UE, such as IMSI, TMSI, and P-TMSI;
a UE information storing module 304, configured to store the UE information acquired by the module 303 in a UE information list;
in this embodiment, in the apparatus for improving the paging success rate of the shared base station, an apparatus for sending a network side paging message is further provided, including: module for receiving network side paging message
The device comprises a judging module and a module for sending paging messages at the air interface side. As shown in fig. 4:
a network side paging message receiving module 401, configured to receive a paging message sent to the base station by a network side core network, where the paging message may carry information of the UE, such as the IMSI, the TMSI, and the P-TMSI.
A determining module 402, configured to determine whether there is a UE matching available in the network-side paging message.
A module 403 for sending paging message on air interface side, configured to send the paging message on network side to the air interface of the base station, so that the corresponding UE receives the paging message and performs a paging response.
Claims (8)
1. A method for improving paging success rate of a shared base station is characterized in that: the method comprises the following steps of generating an available UE information list in a shared base station:
step 101, periodically modifying a broadcast parameter value of a base station;
102, a base station issues new broadcast information;
step 103, accessing the UE to a base station; the UE initiates random access after receiving the new broadcast parameter value;
step 104, the base station acquires the information of the UE;
step 105, the base station stores the information of the UE in an available UE list.
2. The method for improving paging success rate of a shared base station according to claim 1, wherein: the broadcast parameter values include TAC and LAC.
3. The method for improving paging success rate of a shared base station according to claim 1, wherein: in step 104, the base station acquires the UE information including the IMSI, TMSI, and P-TMSI of the UE.
4. The method for improving paging success rate of a shared base station according to claim 1, wherein: the shared base station also comprises the following steps of sending network side paging messages:
step 201, a base station receives a network side paging message;
step 202, the base station traverses the available UE list;
step 203, judging whether the paging message is a valid paging message; if the paging message is judged to be a valid paging message, turning to step 204; otherwise, the paging message is discarded.
Step 204, sending the paging message to the air interface.
5. The method of claim 4, wherein the method for improving paging success rate comprises: in step 203, it is determined whether the paging message is matched with available UEs; whether the paging message is a valid paging message is judged by obtaining the IMSI, TMSI or P-TMSI of the UE.
6. The apparatus of claim 1, wherein the method for improving paging success rate comprises: the method comprises the following steps: the system comprises a broadcast parameter modification module, a base station broadcast information issuing module, a UE information acquisition module and a UE information storage module;
the broadcast parameter modifying module is used for modifying the broadcast parameter value of the base station;
the base station broadcast information issuing module is used for issuing information such as broadcast parameters to the UE after modifying the base station broadcast parameter values;
the UE information acquisition module is used for acquiring the information of the UE; including IMSI, TMSI and P-TMSI;
and the UE information storage module is used for storing the acquired UE information into a UE information list.
7. The apparatus of claim 6, wherein: further comprising: the system comprises a network side paging message receiving module, a judging module and an air interface side paging message sending module;
and the network side paging message receiving module is used for receiving a paging message sent to the base station by a network side core network, and the paging message can carry UE information.
The judging module is used for judging whether the network side paging message is matched with available UE;
and the module for sending the paging message at the air interface side is used for sending the paging message at the network side to the air interface of the base station, so that the corresponding UE receives the paging message and makes a paging response.
8. The apparatus of claim 6 or 7, wherein: the UE information comprises IMSI, TMSI and P-TMSI.
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| CN202010116499.8A CN111314993A (en) | 2020-02-25 | 2020-02-25 | Method and device for improving paging success rate of shared base station |
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| CN202010116499.8A CN111314993A (en) | 2020-02-25 | 2020-02-25 | Method and device for improving paging success rate of shared base station |
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2020
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| CN1678094A (en) * | 2004-04-02 | 2005-10-05 | 华为技术有限公司 | Calling method while single-station operation |
| CN101043704A (en) * | 2006-03-20 | 2007-09-26 | 华为技术有限公司 | Method, network and apparatus for updating user equipment locating information |
| CN103888931A (en) * | 2009-04-28 | 2014-06-25 | 华为技术有限公司 | Paging method, location updating method and devices |
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