CN109451560A - A kind of optimization method at the cell searching interval based on moving velocity of terminal - Google Patents

A kind of optimization method at the cell searching interval based on moving velocity of terminal Download PDF

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Publication number
CN109451560A
CN109451560A CN201910014294.6A CN201910014294A CN109451560A CN 109451560 A CN109451560 A CN 109451560A CN 201910014294 A CN201910014294 A CN 201910014294A CN 109451560 A CN109451560 A CN 109451560A
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timer
moving speed
internet
mobile phone
speed
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CN109451560B (en
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张志运
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Beijing One Bank Network Co.,Ltd.
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SUZHOU SIMPLNANO ELECTRONICS CO Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H04W48/04—Access restriction performed under specific conditions based on user or terminal location or mobility data, e.g. moving direction, speed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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

Abstract

本发明公开了一种基于终端移动速度的小区搜索间隔的优化方法，应用于受限状态下手机或物联网终端的服务恢复，手机或物联网终端通过3GPP标准协议中进行连接搜索，所述方法包括：S1、在接入层，手机或物联网终端驻留在任意满足驻留条件的小区上面，并根据速度估计算法计算手机或者物联网终端的移动速度；S2、所述接入层通过层间消息将所述移动速度上报至非接入层；S3、所述非接入层接收所述移动速度，并将所述移动速度与对应的定时器匹配，同时更新所述定时器；本发明可以根据手机或者物联网终端的移动速度来调整在非接入层的中小区的搜索时间间隔，可实现在对手机或者物联网终端恢复正常服务所需时间的同时提高手机或物联网终端的续航时间。The invention discloses a cell search interval optimization method based on terminal moving speed, which is applied to service recovery of a mobile phone or an Internet of Things terminal in a restricted state, and the mobile phone or the Internet of Things terminal performs connection search through a 3GPP standard protocol, the method The method includes: S1, at the access layer, the mobile phone or the Internet of Things terminal resides on any cell that satisfies the camping condition, and calculates a moving speed of the mobile phone or the Internet of Things terminal according to the speed estimation algorithm; S2, the access layer passes the layer The inter-message message reports the moving speed to the non-access stratum; S3, the non-access stratum receives the moving speed, and matches the moving speed with a corresponding timer, and simultaneously updates the timer; the present invention The search time interval of the middle cell in the non-access stratum can be adjusted according to the moving speed of the mobile phone or the Internet of Things terminal, and the life of the mobile phone or the Internet of Things terminal can be improved while the time required for restoring the normal service to the mobile phone or the Internet of Things terminal can be realized. time.

Description

A kind of optimization method at the cell searching interval based on moving velocity of terminal
Technical field
The invention belongs to mobile communication fields, are mainly used in mobile phone or internet-of-things terminal under limited service state The calculating of movement speed and the optimization of scouting interval, and in particular to a kind of cell searching interval based on moving velocity of terminal it is excellent Change method.
Background technique
It will do it cell searching for the first time after mobile phone or internet-of-things terminal booting, be resident suitable cell to be taken Business.When not searching the cell that can carry out normal service, limited service state can be entered.In limited service state, hand Machine or internet-of-things terminal can be resident above the cell that any one meets resident condition, and the cell of normal service is not continued to It searches for reduce the power consumption of mobile phone or internet-of-things terminal.At this time Non-Access Stratum generally will start a timer, when this The search of normal service cell is again started up when timer expiry.Be exactly this Non-Access Stratum timer on earth how long when Between, 3GPP standard agreement, which does not provide, to be clearly worth.
Generally start timer and by mobile phone or net networked terminals when realizing access in Non-Access Stratum, in the prior art, The value of this timer generally uses 2 kinds of values, and one is fixed values, another is the value of stepping.Fixed value or stepping It is unidirectional increase or reduced value be not it is very scientific, also have disadvantage in actual use.The shortcomings that fixed value is to restore service Time be fixed with power consumption.The shortcomings that step value is when the speed of movement increases cannot fast quick-recovery service.
Summary of the invention
Realize that mobile phone or internet-of-things terminal are extensive when starting by timer in Non-Access Stratum in the prior art for above-mentioned The time of complex signal access and power consumption are fixed, and increase movement speed the problem of cannot but accelerating resume speed, and the present invention is in mentioning A kind of optimization method at the cell searching interval based on moving velocity of terminal out；Specific technical solution is as follows:
A kind of optimization method at the cell searching interval based on moving velocity of terminal is applied to mobile phone or Internet of Things under constrained state The service recovery of terminal, mobile phone or internet-of-things terminal are by being attached search in 3GPP standard agreement, which comprises
S1, it resides in above any cell for meeting resident condition in access layer, mobile phone or internet-of-things terminal, and is estimated according to speed Calculating method calculates the movement speed of mobile phone or internet-of-things terminal；
The movement speed is reported to Non-Access Stratum by interlayer message by S2, the access layer；
S3, the Non-Access Stratum receive the movement speed, and the movement speed are matched with corresponding timer, while more The new timer.
Further, described to update the timer including judging whether the timer runs: if described in step S3 Timer is not run, then the Non-Access Stratum updates the timer according to the movement speed；If the timer is being transported Row, then calculate the remaining value of the timer, and the remaining value value to be updated corresponding with the movement speed is made comparisons, If the remaining value is greater than the movement speed correspondence value to be updated, updates the timer and restart the timing Otherwise device does not update the timer.
Further, the method also includes: if the timer updates time-out, Non-Access Stratum transmission is searched again Rope information to the access layer, the access layer re-searches for the cell for meeting resident condition in response to the information that re-searches for And it is resident.
Further, the movement speed includes three low speed, middling speed and high speed values, and the corresponding movement speed is provided with Three low speed timer, middling speed timer and high speed timer timers.
Compared with prior art, the optimization method at the cell searching interval of the invention based on moving velocity of terminal is beneficial Effect are as follows: the present invention is by calculating mobile phone or Internet of Things in access layer speed estimation algorithms according to as defined in 3GPP standard agreement The movement speed of terminal, and movement speed is arranged low speed, middling speed and high speed, the corresponding setting in Non-Access Stratum and low speed, in Speed low speed timer corresponding with high speed, middling speed timer and high speed timer, in this way, the present invention can pass through different movements Speed is updated using different timers, realizes the recovery of service, on the one hand, can effectively shorten mobile phone or Internet of Things is whole End is restored the time of normal service, on the other hand, can effectively promote the cruise duration of mobile phone or internet-of-things terminal.
Detailed description of the invention
Fig. 1 is the flow chart of the optimization method at the cell searching interval based on moving velocity of terminal described in present example Signal.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.
Refering to fig. 1, red in embodiments of the present invention, provide a kind of cell searching interval based on moving velocity of terminal Optimization method, applied to mobile phone under constrained state or the service recovery of internet-of-things terminal, specifically, mobile phone or internet-of-things terminal are logical It crosses in 3GPP standard agreement and is attached search, to restore mobile phone or internet-of-things terminal service, specifically include that steps are as follows:
S1, it resides in above any cell for meeting resident condition in access layer, mobile phone or internet-of-things terminal, and is estimated according to speed Calculating method calculates the movement speed of mobile phone or internet-of-things terminal, specifically sees 36304 5.2.4.3 in 3GPP standard agreement Defined velocity estimation algorithm, is no longer repeated herein；Wherein, the cell that mobile phone or Internet of Things are resident can guarantee normally Service, while movement speed can normally be estimated.
Movement speed is reported to Non-Access Stratum by interlayer message by S2, access layer.
S3, Non-Access Stratum receive movement speed, and movement speed are matched with corresponding timer, at the same update it is described fixed When device；Wherein, updating timer includes judging whether timer runs；Specifically, if timer is not run, Non-Access Stratum root The timer matched is updated according to movement speed；If timer is currently running, the remaining value of timer is calculated, and by remaining value The value to be updated corresponding with movement speed is made comparisons, and even remaining value is greater than the movement speed correspondence value to be updated, then it is fixed to update When device and restart timer, otherwise, do not update timer.
Preferably, movement speed includes three low speed, middling speed and high speed values in the present embodiment, and corresponding movement speed is provided with Three low speed timer, middling speed timer and high speed timer timers, in this way, the mobile phone to different movement speeds can be more convenient Perhaps the update realization that internet-of-things terminal carries out different timing device will not exist because of the excessive mobile phone of quantity or internet-of-things terminal It has carried out searching for and the slow-footed situation of service recovery occurring in same cell, has achieved the effect that optimization；Certainly, this is only this hair The preferred embodiment of bright method is not limitation of the present invention and fixation, can according to the actual situation be divided into movement speed More, grade in more detail.
In a particular embodiment, non-access if timer updates time-out when being timed device update in Non-Access Stratum Layer sends and re-searches for information to access layer, and access layer re-searches for the cell for meeting resident condition in response to re-searching for information And be resident, that is, repeat the above steps S1 ~ S3, whole to mobile phone or Internet of Things to realize until finding the timer that can be updated The service recovery at end operates.
Compared with prior art, the optimization method at the cell searching interval of the invention based on moving velocity of terminal is beneficial Effect are as follows: the present invention is by calculating mobile phone or Internet of Things in access layer speed estimation algorithms according to as defined in 3GPP standard agreement The movement speed of terminal, and movement speed is arranged low speed, middling speed and high speed, the corresponding setting in Non-Access Stratum and low speed, in Speed low speed timer corresponding with high speed, middling speed timer and high speed timer, in this way, the present invention can pass through different movements Speed is updated using different timers, realizes the recovery of service, on the one hand, can effectively shorten mobile phone or Internet of Things is whole End is restored the time of normal service, on the other hand, can effectively promote the cruise duration of mobile phone or internet-of-things terminal.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the scope of the patents of the invention, although referring to aforementioned reality Applying example, invention is explained in detail, still can be to aforementioned each tool for coming for those skilled in the art Technical solution documented by body embodiment is modified, or carries out equivalence replacement to part of technical characteristic.All benefits The equivalent structure made of description of the invention and accompanying drawing content is directly or indirectly used in other related technical areas, Similarly within the invention patent protection scope.

Claims (4)

1.一种基于终端移动速度的小区搜索间隔的优化方法，应用于受限状态下手机或物联网终端的服务恢复，其特征在于，手机或物联网终端通过3GPP标准协议中进行连接搜索，所述方法包括：A method for optimizing a cell search interval based on a terminal moving speed, which is applied to service recovery of a mobile phone or an Internet of Things terminal in a restricted state, wherein the mobile phone or the Internet of Things terminal performs connection search through a 3GPP standard protocol. The methods include: S1、在接入层，手机或物联网终端驻留在任意满足驻留条件的小区上面，并根据速度估计算法计算手机或者物联网终端的移动速度；S1, at the access layer, the mobile phone or the Internet of Things terminal resides on any cell that satisfies the camping condition, and calculates the moving speed of the mobile phone or the Internet of Things terminal according to the speed estimation algorithm; S2、所述接入层通过层间消息将所述移动速度上报至非接入层；S2. The access layer reports the moving speed to the non-access stratum through an inter-layer message. S3、所述非接入层接收所述移动速度，并将所述移动速度与对应的定时器匹配，同时更新所述定时器。S3. The non-access stratum receives the moving speed, and matches the moving speed with a corresponding timer, and simultaneously updates the timer. 2.如权利要求1所述的基于终端移动速度的小区搜索间隔的优化方法，其特征在于，步骤S3中，所述更新所述定时器包括判断所述定时器是否运行：若所述定时器不运行，则所述非接入层根据所述移动速度更新所述定时器；若所述定时器正在运行，则计算所述定时器的剩余值，并将所述剩余值与所述移动速度对应要更新的值作比较，若所述剩余值大于所述移动速度对应要更新的值，则更新所述定时器并重新启动所述定时器，否则，不更新所述定时器。The method for optimizing a cell search interval based on a terminal moving speed according to claim 1, wherein in step S3, the updating the timer comprises determining whether the timer is running: if the timer Not operating, the non-access stratum updates the timer according to the moving speed; if the timer is running, calculating a remaining value of the timer, and the remaining value and the moving speed Corresponding to the value to be updated, if the remaining value is greater than the value corresponding to the moving speed to be updated, the timer is updated and the timer is restarted; otherwise, the timer is not updated. 3.如权利要求2所述的基于终端移动速度的小区搜索间隔的优化方法，其特征在于，所述方法还包括：若所述定时器更新超时，则所述非接入层发送重新搜索信息至所述接入层，所述接入层响应于所述重新搜索信息重新搜索满足驻留条件的小区并驻留。The method for optimizing a cell search interval based on a terminal moving speed according to claim 2, wherein the method further comprises: if the timer update times out, the non-access stratum sends re-search information. To the access layer, the access layer re-searches for a cell that satisfies the camp condition and camps in response to the re-search information. 4.如权利要求2所述的基于终端移动速度的小区搜索间隔的优化方法，其特征在于，所述移动速度包括低速、中速和高速三个值，对应所述移动速度设置有低速定时器、中速定时器和高速定时器三个所述定时器。The method for optimizing a cell search interval based on a terminal moving speed according to claim 2, wherein the moving speed comprises three values of low speed, medium speed and high speed, and a low speed timer is set corresponding to the moving speed. The medium speed timer and the high speed timer are three of the timers.
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