CN105813028A - Quick-recognition base station active switching trunking communication method and terminal - Google Patents
Quick-recognition base station active switching trunking communication method and terminal Download PDFInfo
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- CN105813028A CN105813028A CN201410853392.6A CN201410853392A CN105813028A CN 105813028 A CN105813028 A CN 105813028A CN 201410853392 A CN201410853392 A CN 201410853392A CN 105813028 A CN105813028 A CN 105813028A
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Abstract
The invention discloses a quick-recognition base station active switching trunking communication method and terminal. When the terminal sends an uplink request to a currently registered base station, the number of times of continuous failures of the uplink request is calculated. After the number of times of continuous failures of the uplink request reaches a preset upper limit value, the terminal scans a surrounding base station, and registers other useable base stations. According to the invention, the terminal employs an active scanning strategy, can quickly detect that the currently registered base station cannot be used and switch to a useable base station, and guarantees that the business of the terminal is not affected. The method improves the success rate of business initiation of the terminal.
Description
Technical field
The invention belongs to wireless cluster communication field, be related specifically to a kind of terminal and quickly identify and be actively switched to the trunking communication scheme of available base stations.
Background technology
In private network communication field, terminal and the uplink and downlink signals of base station under trunked communication system can maintain a metastable asymmetric relation.When terminal receive descending field intensity be attenuated to a certain degree time, system receives the upward signal of terminal and also can die down accordingly, in this case, due to weakening of uplink and downlink signals, can affect the decoding to signal of terminal and base station, thus affecting normal communication service.Now, terminal can be passed through to search for the good base station of other signals of periphery, selects the base station registration that signal is good.
As shown in Figure 1, under terminal MS (MobileStation) ideal case, after MS detects that base station (BaseStation) BS_A down link signal is attenuated to threshold threshold, start background scans, scanning ambient signal other base station BS _ B preferably, when peripheral base station BS_B signal meets handoff threshold threshold values, MS is then switched on this base station BS _ B and initiates registration.This process is called background scans (background roaming).
In MS communication process, after base station BS _ A down link signal is attenuated to threshold threshold, start more domain scanning, the scanning better base station of ambient signal, when periphery has base station BS _ B signal to meet handoff threshold threshold values, MS is then switched on this base station BS _ B, continues this call.This process is called handover (Handoff).
Refer to shown in Fig. 2, existing background scans disclosure satisfy that the normal need that communicates in the ordinary course of things with handover, but group system is under electromagnetic environment with a varied topography, unstable easily caused by uplink and downlink signals asymmetry, or the receiving sensitivity of system hardware own reduces, or system is because software fault, causes that downstream signal is normal, but within a period of time, but cannot process uplink service, and affect the normal uplink service of terminal.Or, downstream signal is fine, but up be interfered or shielded, and causes that terminal cannot the scene such as normally initiation business.Above scene, all cannot meet background scans and handoff condition, and therefore terminal is locked under existing base station always, and initiation business can lead to the failure probability height, affects user's result of use.
Summary of the invention
The main purpose of the present invention is, in trunking communication under the normal premise of downstream signal, it is provided that a kind of trunking communication scheme, to improve terminal traffic success rate.
First, the present invention proposes the cluster communication method that a kind of terminal quickly identifies and is actively switched to available base stations, when terminal initiates upstream request to current registration base station, calculate the continuous frequency of failure of described upstream request, after the described continuous frequency of failure reaches the higher limit pre-set, terminal scanning peripheral base station, is registered in other available base stations.
Secondly, the present invention proposes a kind of terminal, including
Request module, for actively initiating upstream request to current registration base station；
Counting module, is used for calculating the continuous frequency of failure of described upstream request, and is determining after the described continuous frequency of failure reaches the higher limit whether reaching to pre-set, notification enrollment module；
Registration Module, for, after the notice receiving described counting module, scanning peripheral base station, and be registered in other available base stations.
Finally, the present invention proposes a kind of terminal, including: processor and memorizer；
Described processor is for when described terminal initiates upstream request to current registration base station, calculating the continuous frequency of failure of described upstream request；After the described continuous frequency of failure reaches the higher limit pre-set, terminal scanning peripheral base station, it is registered in other available base stations；
Described memorizer is for storing the data produced in the program and described program operation process run in described processor.
The present invention provides the benefit that compared with prior art:
In the present invention, terminal adopts active scan strategy, it is possible to is quickly detected current registration base station unavailable, is switched to available base stations, it is ensured that terminal traffic is unaffected；It is greatly improved terminal traffic and initiates success rate.Based on this, customer complaint quantity can be reduced accordingly, promote Consumer's Experience and satisfaction.
The present invention is applicable under current any police Digital Clustering PDT (PoliceDigitalTrunking)/digital mobile radio DMR (DigitalMobileRadio) system, and system and the network coverage need not do any change and optimization；Alleviating network optimization pressure, improve early stage network coverage efficiency, be not necessary to frequent on-site maintenance, saving the terminal scanning parameter situ configuration debugging maintenance time, thus reducing customer service operation maintenance cost.
Accompanying drawing explanation
The private network communication terminal that Fig. 1 is prior art of the present invention covers schematic diagram with base station signal；
The terminal that Fig. 2 is prior art of the present invention does not mate schematic diagram with base station uplink and downlink signals；
Fig. 3 is the terminal traffic of the embodiment of the present invention one base station handover success schematic diagram when asking unsuccessfully；
Fig. 4 is the terminal traffic of the embodiment of the present invention one terminal processes flow chart when asking unsuccessfully；
Fig. 5 be the embodiment of the present invention two terminal call in application authorization failure time terminal processes flow chart；
Fig. 6 is terminal under normal circumstances and the base station handshake frames interaction success schematic diagram of the embodiment of the present invention three；
Fig. 7 be the embodiment of the present invention three abnormal conditions under terminal and base station handshake frames failure schematic diagram alternately；
Fig. 8 is terminal and the base station handshake frames interaction diagrams of the embodiment of the present invention three；
Fig. 9 is the terminal structure block diagram of the embodiment of the present invention four；
Figure 10 is the terminal structure block diagram of the embodiment of the present invention five.
Detailed description of the invention
The terminal of the present invention quickly identifies and is actively switched to the cluster communication method of available base stations, overall technological scheme is: actively initiated upstream request to current registration base station by terminal, or when terminal initiates upstream request to current registration base station, calculate the continuous frequency of failure of this upstream request, after this number of times reaches the higher limit pre-set, terminal scanning peripheral base station, is registered in other available base stations (namely not including currently registering the peripheral base station of base station).Wherein, when upstream request includes in service request, voice call speaking right request and be idle, handshake request etc., actively initiate by terminal, and when upward signal normal transmission, this upstream request all can obtain the relevant response of base station；But in upward signal instability as described in the background art, it is disturbed or during by shielding etc., upstream request can not arrive currently registers base station, the upstream request that now terminal is initiated fails to obtain the relevant response of base station, upstream request failure, is unavailable base station depending on current registration base station.
Below by specific embodiment and in conjunction with accompanying drawing, the present invention is described in further detail.
Embodiment one:
When terminal is in prior art in defect environment described by Fig. 1, Fig. 2, although downstream signal is normal, but any service request that terminal is initiated all can lead to the failure.Now, refer to shown in Fig. 3, the former downstream signal being registered in the first base station BS _ A (currently registering base station), the first base station BS _ A of terminal MS keeps normal, therefore need not carry out background roaming or the trans-regional roaming of prior art.But now the upward signal of terminal MS is abnormal, causing service fail, terminal MS passes through the continuous frequency of failure of statistical service, after reaching to pre-set higher limit, is unavailable base station depending on this first base station BS _ A；The second base station BS _ B, the three base station BSs _ C etc. that then scanning periphery is contiguous；Scanning is registered in one of them peripheral base station, such as the second base station BS _ B, the peripheral base station being now registered in becomes currently registers base station, wouldn't judge whether it can use, subsequently through sending registration signaling or service request, as registration or request succeed (such as, count on the continuous frequency of failure in the higher limit pre-set), then terminal MS is successfully registered on periphery available base stations the second base station BS _ B.By the method, terminal MS quickly identifies that this first base station BS _ A is unavailable base station, switch other available base stations and guarantee that business initiates success rate.Peripheral base station the second base station BS _ B being registered in becomes and currently registers base station, if sending registration signaling or service request subsequently through terminal, communication means according to this example, if registering or asking unsuccessfully (such as, count on the higher limit that the continuous frequency of failure reaches to pre-set), then it is identified as unavailable base station, then terminal scanning peripheral base station, continually looks for available base stations and register.
The handling process of terminal is as shown in Figure 4:
Step1: terminal MS is to the first base station BS _ A (currently registering base station) initiating business request, such as audio call, data service etc..
Step2: if business is initiated unsuccessfully, then judge whether the continuous frequency of failure reaches the upper limit；
Step3: when unsuccessfully reaching the upper limit continuously, scanning neighboring base station the second base station BS _ B, three base station BSs _ C etc., initiate registration to meeting registration condition neighbor base station, then repeat said process.
The service request number of success of table 1 prior art and this example contrasts
From upper table, failure higher limit is when being configured to 3, and requested service can be successful after the 4th to adopt the strategy of this example, effectively raises service success rate.
In this example, it is also possible to configure a preset shielding cycle voluntarily by base station broadcast or terminal, it is therefore an objective to record unavailable base station, within this shielding cycle, no longer initiate registration to the unavailable base station being recorded.In this example, within this shielding cycle, the first base station BS _ A that this upward signal no longer cannot be sent to by terminal MS initiates registration.According to the communication means of this example, it is disabled some base stations by terminal recognition, a corresponding preset shielding cycle (this cycle absolute number can be the same or different) respectively, respectively a corresponding starting point calculating the shielding cycle；Namely to different unavailable base stations, the shielding period is different.
Embodiment two:
Please further in conjunction with shown in Fig. 3, it is in the terminal in voice calling service, time in the defect environment of description of the prior art, press PTT (Push-To-Talk) to ask to also result in during speaking right to ask unsuccessfully, now terminal MS statistics asks the frequency of failure to the first base station BS _ A (currently registering base station), after reaching to pre-set higher limit, the second base station BS _ B, the three base station BSs _ C etc. that then scanning periphery is contiguous, and be registered on periphery available base stations the second base station BS _ B.Talk business is continued by being handed under other base stations.
Refer to shown in Fig. 5, the handling process of terminal includes:
Step1: be in the terminal MS in voice call, user presses PTT and asks speaking right to the first base station BS _ A (currently registering base station)；
Step2: if asking unsuccessfully, then judge whether the continuous frequency of failure reaches the upper limit；
Step3: when unsuccessfully reaching the upper limit continuously, scanning neighboring the second base station BS _ B, three base station BSs _ C etc., to vicinity the second base station BS _ B handover meeting registration condition；Then said process is repeated.
Embodiment three:
Refer to shown in Fig. 6, when terminal MS is in idle condition, it is mutual that timing and the first base station BS _ A carry out handshake frames (special signaling), is guaranteed the normal of uplink downlink alternately by this.As shown in Figure 7, when abnormal conditions occur, first base station BS _ A (currently registers base station) and does not receive the up signaling of terminal MS, or this up signaling can not be processed, terminal MS is added up continuous up signaling and be can not receive descending response times (i.e. the handshake frames frequency of failure), when arrive this number of times higher limit time, terminal MS start periphery neighbor base station scanning, be registered in periphery can the second base station BS _ B or three base station BSs _ C on.Realize quickly identifying in time base station applicable by the strategy of this example.
Refer to shown in Fig. 8, the handling process of terminal includes:
Step1: terminal MS arranges cycle timer, under idle condition, during timer expiry, up transmitting handshake frames (e.g., special state message).
Step2: if before next cycle timer expiry, terminal receives the descending appointment signaling of the first base station BS _ A, then it is assumed that this base station can be used；Without receiving, then counting is cumulative.
Step3: when counting is added to more than limit value, then terminal MS thinks that the first base station BS _ A is unavailable, starts the scanning of periphery neighbor base station, be registered in periphery can the second base station BS _ B or the base station such as three base station BSs _ C on.
Embodiment four:
Refer to shown in Fig. 9, the terminal of this example, it is applied in above-mentioned each example, the software and hardware structure of it terminal included in prior art in group system, including master controller and memorizer, it is possible to all functions of the terminal completed in prior art in trunking communication.Meanwhile, the terminal of this example is provided with request module, for initiating upstream request to current registration base station；Counting module, is used for calculating the continuous frequency of failure of described upstream request, and is determining after this continuous frequency of failure reaches the higher limit whether reaching to pre-set, notification enrollment module；Registration Module, for, after the notice receiving described counting module, scanning peripheral base station, and be registered in other available base stations.
Wherein, the described upstream request that request module is initiated includes handshake request when speaking right request, free time in service request, voice call.
The terminal of this example is additionally provided with preset module, shields the cycle for preset one, and within this shielding cycle, Registration Module no longer initiates registration request to current registration base station.
Embodiment five:
Refer to shown in Figure 10, the terminal of this example, it is applied in above-mentioned each example, the software and hardware structure of it terminal included in prior art in group system, including processor and memorizer, it is possible to all functions of the terminal completed in prior art in trunking communication.Meanwhile, when described terminal currently registers base station initiation upstream request to this terminal, described processor calculates the continuous frequency of failure of this upstream request；Counting on after this continuous frequency of failure reaches the higher limit pre-set, terminal scanning peripheral base station, it is registered in other available base stations.Described memorizer is for storing the data etc. produced in the program and program operation process run in described processor.
After the above-mentioned continuous frequency of failure reaches the higher limit pre-set, within the preset shielding cycle, registration request no longer initiated by described processor to described current registration base station.
Wherein, above-mentioned upstream request include in service request, voice call speaking right request, idle time handshake request etc..
Above content is in conjunction with concrete preferred implementation further description made for the present invention, it is impossible to assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace, protection scope of the present invention all should be considered as belonging to.
Claims (10)
1. quick identification also actively switches a cluster communication method for base station, it is characterized in that:
When terminal initiates upstream request to current registration base station, calculate the continuous frequency of failure of described upstream request；
After the described continuous frequency of failure reaches the higher limit pre-set, terminal scanning peripheral base station, it is registered in other available base stations.
2. cluster communication method as claimed in claim 1, is characterized in that: described upstream request includes handshake request when speaking right request, free time in service request, voice call.
3. cluster communication method as claimed in claim 1 or 2, is characterized in that, described method also includes:
After the described continuous frequency of failure reaches the higher limit pre-set, described terminal, within the preset shielding cycle, no longer initiates registration request to described current registration base station.
4. cluster communication method as claimed in claim 1 or 2, it is characterized in that: described in be registered in the concrete steps of other available base stations and include: described terminal registration to peripheral base station becomes currently registers base station, described terminal sends registration signaling or service request to described current registration base station, if registering or asking successfully, then described current registration base station is available base stations.
5. cluster communication method as claimed in claim 4, it is characterized in that: described in be registered in the concrete steps of other available base stations and also include: if registration or ask unsuccessfully, then described current registration base station is identified as unavailable base station, terminal scanning peripheral base station, continually looks for available base stations and registers.
6. a terminal, is characterized in that, including:
Request module, for initiating upstream request to current registration base station；
Counting module, is used for calculating the continuous frequency of failure of described upstream request, and is determining after the described continuous frequency of failure reaches the higher limit whether reaching to pre-set, notification enrollment module；
Registration Module, for, after the notice receiving described counting module, scanning peripheral base station, and be registered in other available base stations.
7. terminal as claimed in claim 6, is characterized in that: also include preset module, shields the cycle for preset one；Within the described preset mask cycle, described Registration Module no longer initiates registration request to current registration base station.
8. a terminal, is characterized in that, including: processor and memorizer；
Described processor is for when described terminal initiates upstream request to current registration base station, calculating the continuous frequency of failure of described upstream request；After the described continuous frequency of failure reaches the higher limit pre-set, terminal scanning peripheral base station, it is registered in other available base stations；
Described memorizer is for storing the data produced in the program and described program operation process run in described processor.
9. terminal as claimed in claim 8, is characterized in that:
Described processor is additionally operable to after the described continuous frequency of failure reaches the higher limit pre-set, and within the preset shielding cycle, no longer initiates registration request to described current registration base station.
10. terminal as claimed in claim 8 or 9, is characterized in that:
Described upstream request includes handshake request when speaking right request, free time in service request, voice call.
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| CN201410853392.6A CN105813028A (en) | 2014-12-30 | 2014-12-30 | Quick-recognition base station active switching trunking communication method and terminal |
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| CN201410853392.6A CN105813028A (en) | 2014-12-30 | 2014-12-30 | Quick-recognition base station active switching trunking communication method and terminal |
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| CN106792573A (en) * | 2016-12-29 | 2017-05-31 | 哈尔滨海能达科技有限公司 | Terminal, the method that handover can be realized based on digital clustering communication system |
| CN111148241A (en) * | 2018-11-05 | 2020-05-12 | 海能达通信股份有限公司 | Rapid registration method of mobile terminal, mobile terminal and network management system |
| CN111478786A (en) * | 2019-01-24 | 2020-07-31 | 海能达通信股份有限公司 | Method, storage medium and communication system for automatically adapting and using system resources |
| CN115209500A (en) * | 2022-07-20 | 2022-10-18 | 西安广和通无线通信有限公司 | Service recovery method, device, computer equipment and storage medium |
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Application publication date: 20160727 |