CN106455125A - Communication control method and related device - Google Patents
Communication control method and related device Download PDFInfo
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- CN106455125A CN106455125A CN201610940506.XA CN201610940506A CN106455125A CN 106455125 A CN106455125 A CN 106455125A CN 201610940506 A CN201610940506 A CN 201610940506A CN 106455125 A CN106455125 A CN 106455125A
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- link failure
- call
- counter
- radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/19—Connection re-establishment
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
An embodiment of the invention provides a communication control method and a related device. The method comprises the following steps: when carrying out voice communication, updating a counting value of a wireless link failure counter; and when meeting a delay condition, carrying out a call duration prolonging strategy, wherein the call duration prolonging strategy comprises resetting the counting value s_counter of the wireless link failure counter to a default value, and the delay conditions comprises that the wireless link failure counter is time out for the first time. When the wireless link failure counter is time out for the first time, the counting value s_counter of the wireless link failure counter is reset to the default value to restart recounting instead of the existing method of initiating a call reconstruction request, such that call duration can be prolonged; and especially for the case of passing a road section, where the signal is weak, under a high-speed running state, the provided scheme can hold the call to the section of road, where the signal is strong, to some extent, thereby reducing call drop rate.
Description
Technical field
The present invention relates to communication technical field, and in particular to communication control method and relevant apparatus, more particularly to voice make
Communication control method and device with GSM standard.
Background technology
Currently, communication terminal can use GSM (Global System for Mobile when speech business is carried out, typically
Communication, global system for mobile communications) standard, namely voice call is carried out using GSM network.For example, in LTE net
When carrying out speech business under network, network falls back to GSM network, carries out voice call on a gsm network.
Carried out in voice call process on a gsm network, under weak signal or High-speed Circumstance, due to receiving signal fluctuation relatively
Greatly, noise is poor, and the impact of multi-path jamming and Doppler frequency shift is larger, is susceptible to Radio Link Failure (RLF), and RLF goes out
Now once, the count value of the Radio Link Failure enumerator (radio_link_timeout) of communication terminal will subtract one.When
The value of radio_link_timeout is kept to when zero (namely time-out), and communication terminal will initiate call re-establishment flow process to base station.And
The not support calls substantially of current base base station are rebuild, and therefore, base station can discharge wireless link, so as to cause call drop.
In view of situations below：In high-speed cruising state through the poor section of a segment signal (for example crossing tunnel), then
Because of many times of RLF appearance, and radio link timeout can be caused to be reduced to zero quickly (typically 30 seconds within), now communicate eventually
Call re-establishment request, and then reconstruction failure can be initiated in end, cause call drop.In fact, communication terminal will soon may leave
State the section of dtr signal and the preferable section of entering signal.Then in these cases, existing GSM standard is likely to result in frequently
Call drop, causes call cutting off rate higher.
Content of the invention
In view of this, the embodiment of the present invention provides communication control method and relevant apparatus, and to extend the duration of call, reduction is fallen
Words rate.
For achieving the above object, the embodiment of the present invention provides following technical scheme：
A kind of communication control method, methods described is applied to a terminal, and the communication control method includes：
When voice call is carried out, count value s_counter of Radio Link Failure enumerator is updated；
When time delay condition is met, execute the duration of call and extend strategy；The duration of call prolongation strategy includes will be described
S_counter resets to defaults；The time delay condition includes that the Radio Link Failure enumerator is overtime first.
A kind of communication control unit, the communication control unit is applied to a terminal, and the communication control unit includes：
Radio Link Failure RLF detection module, for when voice call is carried out, updating Radio Link Failure enumerator
Count value s_counter；
Recovery module, extends strategy for when time delay condition is met, executing the duration of call；The duration of call extends plan
Slightly include the s_counter resets to defaults；The time delay condition includes the Radio Link Failure enumerator first
Time-out.A kind of terminal, including above-mentioned communication control unit.
It can be seen that, the embodiment of the present invention Radio Link Failure enumerator first time-out when, can't as prior art,
Call re-establishment request is initiated, but count value s_counter of Radio Link Failure enumerator is reset to defaults, open again
Begin to count, can so extend the duration of call.
Especially for the situation in high-speed cruising state through the poor section of a segment signal, the embodiment of the present invention is carried
For scheme, can make to a certain extent call keep to the preferable section of entering signal, so as to reduce cutting off rate.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for technology description is had to be briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the exemplary block diagram of communication control unit provided in an embodiment of the present invention；
Fig. 2-5 is communication control method exemplary process diagram provided in an embodiment of the present invention；
Fig. 6 is the exemplary block diagram of terminal provided in an embodiment of the present invention.
Specific embodiment
Aforementioned be referred to, the voice call process of GSM standard, under weak signal or High-speed Circumstance, easily occur wireless link
Failure (RLF), RLF occurs once, and the count value of the Radio Link Failure enumerator (radio_link_timeout) of terminal is just
Can subtract one.When the value of radio_link_timeout is kept to zero (namely time-out), terminal will initiate call re-establishment stream to base station
Journey.And the not support calls substantially of current base base station are rebuild, therefore, base station can discharge wireless link, so as to cause call drop.
In some special circumstances, for example, terminal is in high-speed cruising state through the poor section of a segment signal (such as mistake
Tunnel), because of many times of RLF appearance, and radio link timeout can be caused to be reduced to zero quickly (typically 30 seconds within), now
Terminal can initiate call re-establishment request, and then reconstruction failure, cause call drop.
In fact, terminal may will soon leave the section of above-mentioned dtr signal and the preferable section of entering signal.
In these cases, existing GSM standard is likely to result in frequent call drop so that call cutting off rate is higher.
The present invention provides communication control method, communication control unit and terminal and can solve the above problems to a certain extent.
Above-mentioned communication control method and device can be applicable to single deck tape-recorder cell phone type, dual-card dual-standby single-pass cell phone type etc.
Terminal.
Fig. 1 shows a kind of example arrangement of above-mentioned communication control unit or terminal, at least includes RLF detection module 1
With recovery module 2, additionally, also including modem 3 (modem).
Fig. 2 shows a kind of exemplary flow of above-mentioned communication control unit or the communication control method performed by terminal,
Which at least may include following steps：
S201：When voice call is carried out, the count value of Radio Link Failure enumerator is updated.
Available s_counter represents above-mentioned count value.
In one example, if wireless environment quality is preferable, s_counter is increased by 2, is otherwise reduced by 1.
More specifically, modem can obtain broadcast, and (generally system disappears to parse system message from broadcast
Breath 3 or 6), if successfully parsing system message, illustrate that wireless environment quality is preferable, then s_counter increases by 2, and if parsing
System message failure or generation RLF, then subtract 1.Certainly, s_counter infinitely can not increase, and its maximum can be 64, work as s_
After counter reaches maximum, then after successfully parsing system message, then safeguard s_counter for maximum.
Step 201 can be executed by aforesaid RLF detection module 1.
S202：When time delay condition is met, execute the duration of call and extend strategy.
The above-mentioned duration of call extends strategy to be included：S_counter is reset to defaults.In one example, above-mentioned silent
It can be maximum 64 to recognize value.
And time delay condition may include：In this voice call process, Radio Link Failure enumerator is overtime first,
That is, s_counter reaches zero first.
Step 202 can be executed by aforesaid recovery module 2.
It can be seen that, the embodiment of the present invention Radio Link Failure enumerator first time-out when, can't as prior art,
Call re-establishment request is initiated, and is carried out the duration of call and extends strategy, that is, making count value s_ of Radio Link Failure enumerator
Counter resets to defaults, and restarts to count, can so extend the duration of call.
Particularly with the situation in high-speed cruising state through the poor section of a segment signal, the embodiment of the present invention is carried
For scheme, can make to a certain extent call keep to the preferable section of entering signal, so as to reduce cutting off rate.
Fig. 3 shows another kind of exemplary flow of above-mentioned communication control method, and which at least may include following steps：
S301：When voice call is carried out, the count value of Radio Link Failure enumerator is updated.
S301 is similar with aforementioned step S201, and therefore not to repeat here.
S302：When time delay condition is met, execute the duration of call and extend strategy.
The above-mentioned duration of call extends strategy to be included：S_counter is reset to defaults.In one example, above-mentioned silent
It can be maximum 64 to recognize value.
And time delay condition is included in this voice call process, Radio Link Failure enumerator is overtime first, that is, s_
Counter reaches zero first.
S302 is similar with aforementioned step S202, and therefore not to repeat here.
S303：When termination condition is met, wireless link (namely hanging up the telephone) is discharged.
In one example, above-mentioned termination condition may include second time-out of Radio Link Failure enumerator, namely s_
Counter is reduced to zero for the second time.
Release wireless link in step 303 can be executed by modem.
In one example, modem3 can periodically be obtained and be obtained s_counter from RLF detection module 1, work as s_
Counter is reduced to zero for the second time, then discharge wireless link.
Or, in another example, when s_counter is reduced to zero for the second time, can be notified by RLF detection module 1
Modem3 discharges wireless link.
It can be seen that, in the present embodiment, in Radio Link Failure enumerator time-out first, execute the duration of call and extend plan
Slightly, that is, making count value s_counter of Radio Link Failure enumerator reset to defaults, restarting to count, so may be used
Extend the duration of call.And when s_counter is reduced to zero for the second time, also call re-establishment can't be initiated as prior art
Request, but release wireless link.Then call re-establishment flow process is eliminated in the present embodiment, while when extending talking connection
Long, success rate of communication in the presence of a harsh environment is improve, is reduced the cutting off rate of feeble field or High-speed Circumstance, and then improve user's body
Test.
Fig. 4 shows another exemplary flow of above-mentioned communication control method, and which at least may include following steps：
S400：After ring, modem3 is from resolution system message the broadcast for receiving.
This step refers to existing analysis mode, and therefore not to repeat here.
S401：If successfully resolved, s_counter is used as default.
In one example, s_counter can be set to maximum 64.
It should be noted that in system message 3 or 6, being the initial value for carrying Radio Link Failure enumerator.Cause
This, in the prior art, be that s_counter is set to initial value.
But in the present embodiment, in order to extend call duration as far as possible, s_counter is set to maximum 64.
S402：When voice call is carried out, RLF detection module 1 updates count value s_ of Radio Link Failure enumerator
counter.
S402 is similar with aforementioned step S301, S201, and therefore not to repeat here.
S403：When s_counter reaches zero first, recovery module 2 executes the duration of call and extends strategy, returns afterwards
S402.
Recovery module 2 can be notified to execute the duration of call by RLF detection module 1 and extend strategy.
The above-mentioned duration of call extends strategy and at least may include：S_counter is reset to defaults.In one example,
Above-mentioned default value can be maximum 64.
S403 is similar with aforementioned step S302, S202, and therefore not to repeat here.
S404：When s_counter is reduced to zero for the second time, modem3 discharges wireless link.
Step 404 is similar with aforementioned step 303, and therefore not to repeat here.
It can be seen that, in the present embodiment, give up the initial value of the Radio Link Failure enumerator of system message carrying.And by s_
Counter is set to maximum, so can extend call duration as far as possible.
Below by by taking the speech business of LTE network as an example, introduced in more detail.
A kind of scheme that call under current LTE network pattern is adopted is circuit domain dropping (CSFB), i.e., under LTE network
When carrying out speech business, network automatic fall-back to 2G or 3G network, voice call is carried out by 2G or 3G network, terminal is in LTE
Side is initiated calling or receives paging, and LTE network is issued by redirecting order (RRC Connection Release)
GSM/WCDMA frequency, guides terminal to fall back to GSM/WCDMA network, does the Access Control that converses on GSM/WCDMA.
Fig. 5 is then referred to, and under LTE network, above-mentioned communication control method may include following interaction flow:
S501：User initiates CSFB audio call by terminal.
More specifically, to base station, CSFB service request is initiated from modem3.
This part refers to existing mode, and therefore not to repeat here.
S502：Base station receives CSFB service request, carries out falling flow process.
In flow process is fallen after rise, base station can issue redirection message and various message, including aforesaid system message 3 or
6.
Above-mentioned redirection message and various message can be represented with msg1.
S502：Terminal (modem3) continues signaling on GSM, and user is conversed on GSM.
Step 500-502 describes terminal and initiates CSFB audio call to the process of ring.
S503：Modem3 detects msg1, parses system message 3 or system message 6, by wireless link time-out counter
Count value s_counter is set to maximum (64).
It should be noted that modem3 can obtain wireless link time-out counter from system message 3 or system message 6
Initial value, but in the present embodiment, s_counter can't be set to the initial value.
S504：Status indicator s-state is set to the first numerical value by modem3.
It should be noted that s-state is set to the first numerical value can be used to characterize Radio Link Failure enumerator first
Timing, or, duration of call prolongation strategy is executed for characterizing.
And s-state is set to second timing that second value can be used to characterize Radio Link Failure enumerator, or,
Forbid that executing the duration of call extends strategy for characterizing.
Subsequently can determine by s-state that Radio Link Failure enumerator is overtime first or overtime for the second time.
In one example, the first numerical value can be " true ", and second value can be " false ".
In another example, the first numerical value can be " 1 ", and second value can be " 0 ".Or, the first numerical value can be " 2 ",
Second value can be " 3 " etc., as long as the first numerical value is not equal to second value.
S505：S_counter and s-state are sent to RLF detection module 1 by modem3.
The message for carrying s_counter and s-state can be referred to as msg2.
S506：RLF detection module 1 updates the count value of s_counter according to radio communication quality.
S506 and aforementioned step 402,301,201 similar, therefore not to repeat here.
S507：If s-counter is equal to 0, and s-state value sends to recovery module 2 for true, RLF detection module 1 and disappears
Breath (msg3), extends strategy to notify recovery module 2 to execute the duration of call.
It should be noted that when the s_counter is zero and s-state is the first numerical value, Radio Link Failure meter
Number device is overtime first.
S508：S-counter is reset to maximum 64 by recovery module 2, and s-state is set to false.
That is, in the present embodiment, the duration of call extends strategy to be included s_counter resets to defaults, and will
S-state is set to second value.
In one example, recovery module 2 can notify RLF detection module 1 that s-counter is reset to maximum 64, will
S-state is set to false.
In another example, s-counter also can be reset to maximum 64 by recovery module 2, and s-state is set to
After false, the message for carrying new s-counter and s-state is sent to RLF detection module 1.
After executing above-mentioned duration of call prolongation strategy, above-mentioned steps 506 are executed by returning.
S509：If s-counter is equal to 0 and s-state value discharges wireless link for false, modem3.
It should be noted that when s_counter is zero and s-state is false, above-mentioned Radio Link Failure enumerator
Second time-out.
In one example, modem3 can periodically be obtained and be obtained s_counter and s-state from RLF detection module 1,
When s_counter is zero and s-state is false, then discharge wireless link.
Or, in another example, when s_counter is zero and s-state is false, RLF detection module 1 leads to
Know modem3 release wireless link.
Corresponding with above-mentioned communication means, the embodiment of the present invention also communication control unit to be protected, still Fig. 1 is referred to, should
Communication control unit is exemplary must to be may include：
RLF detection module 1, for when voice call is carried out, updating the count value of Radio Link Failure enumerator；
Recovery module 2, extends strategy for when time delay condition is met, executing the duration of call；
The above-mentioned duration of call extends strategy to be included to reset count value s_counter of above-mentioned Radio Link Failure enumerator
For default value；Above-mentioned time delay condition includes that above-mentioned Radio Link Failure enumerator is overtime first.
Additionally, above-mentioned communication control unit may include modem (modem) 3.
RLF detection module 1 can perform step 402 shown in the step 201 shown in Fig. 2, the step 301 shown in Fig. 3, Fig. 4,
Step 506 shown in Fig. 5,507.
Recovery module 2 can perform step 403 shown in the step 202 shown in Fig. 2, the step 302 shown in Fig. 3, Fig. 4, Fig. 5
Shown step 508.
Step 500-505 shown in step 303, the step 404 shown in Fig. 4, Fig. 5 shown in the executable Fig. 3 of Modem3,
509.
The embodiment of the present invention is also claimed terminal, and which may include above-mentioned communication control unit.
Fig. 6 shows a kind of general-purpose computing system structure of above-mentioned terminal.
Above computer system may include bus, processor 601, memorizer 602, communication interface 603, input equipment 604
With outut device 605.Processor 601, memorizer 602, communication interface 603, input equipment 604 and outut device 605 are by total
Line is connected with each other.Wherein：
Bus may include a path, transmit information between computer system all parts.
Processor 601 can be general processor, for example general central processor (CPU), network processing unit
(NetworkProcessor, abbreviation NP), microprocessor etc., or ASIC (application-
Specific integrated circuit, ASIC), or one or more collection for controlling the present invention program program performing
Become circuit.Can also be digital signal processor (DSP), special IC (ASIC), ready-made programmable gate array (FPGA)
Or other PLDs, discrete gate or transistor logic, discrete hardware components.
Processor 601 at least may include primary processor, baseband chip and modem.
Preserve in memorizer 602 execute technical solution of the present invention program, can also preserve operating system and other
Key business.Specifically, program can include program code, and program code includes computer-managed instruction.More specifically, store
Device 602 can include read only memory (read-only memory, ROM), can store the other types of static information and instruction
Static storage device, random access memory (randomaccess memory, RAM), can storage information and instruction other
The dynamic memory of type, disk memory, flash etc..Additionally, memorizer 602 can be stored in above-mentioned multimedia messages
Hold.
Input equipment 604 may include the data of receiving user's input and the device of information, for example keyboard, mouse, photographic head,
Scanner, light pen, speech input device, touch screen, pedometer or gravity sensor etc..
Outut device 605 may include to allow output information to the device of user, such as display screen, printer, speaker etc..
Communication interface 603 may include the device using one class of any transceiver, so as to logical with other equipment or communication network
Letter, such as Ethernet, wireless access network (RAN), WLAN (WLAN) etc..
Processor 601 executes the program that is deposited in memorizer 602, and calls other equipment, can be used to realize this
Each step in the communication control method provided by bright previous embodiment.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
For, as which corresponds to the method disclosed in Example, so description is fairly simple, related part is said referring to method part
Bright.
Professional further appreciates that, in conjunction with the unit of each example of the embodiments described herein description
And algorithm steps, can with electronic hardware, computer software or the two be implemented in combination in, in order to clearly demonstrate hardware and
The interchangeability of software, generally describes composition and the step of each example in the above description according to function.These
Function is executed with hardware or software mode actually, the application-specific depending on technical scheme and design constraint.Specialty
Technical staff can use different methods to realize described function to each specific application, but this realization should
Think beyond the scope of this invention.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use the present invention.
Multiple modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope for causing.
Claims (12)
1. a kind of communication control method, methods described is applied to a terminal, it is characterised in that the communication control method includes：
When voice call is carried out, count value s_counter of Radio Link Failure enumerator is updated；
When time delay condition is met, execute the duration of call and extend strategy；The duration of call extends strategy to be included the s_
Counter resets to defaults；The time delay condition includes that the Radio Link Failure enumerator is overtime first.
2. the method for claim 1, it is characterised in that also include：
When termination condition is met, wireless link is discharged, the termination condition includes the Radio Link Failure enumerator second
Secondary time-out.
3. the method for claim 1, it is characterised in that the count value for updating Radio Link Failure enumerator it
Before, the communication control method also includes：
After ring, from resolution system message the broadcast for receiving；
If successfully resolved, the s_counter is set to the default value.
4. method as claimed in claim 3, it is characterised in that also include：
If the system message successfully resolved after ring, status indicator s-state is set to the first numerical value, first numerical value
For characterizing the timing first of the Radio Link Failure enumerator, or, first numerical value is used for sign and executes described leading to
Words duration extends strategy.
5. method as claimed in claim 4, it is characterised in that the duration of call extends strategy also to be included：
The s-state is set to second value；
The second value is used for characterizing second timing of the Radio Link Failure enumerator, or, the second value
Forbid that executing the duration of call extends strategy for characterizing.
6. method as claimed in claim 5, it is characterised in that
When the s_counter is zero and s-state is the first numerical value, the Radio Link Failure enumerator is overtime first；
When the s_counter is zero and s-state is second value, the Radio Link Failure enumerator surpasses for second
When.
7. a kind of communication control unit, the communication control unit is applied to a terminal, it is characterised in that the Control on Communication dress
Put including：
Radio Link Failure RLF detection module, for when voice call is carried out, updating the counting of Radio Link Failure enumerator
Value s_counter；
Recovery module, extends strategy for when time delay condition is met, executing the duration of call；The duration of call extends strategy bag
Include and the s_counter resets to defaults；The time delay condition includes that the Radio Link Failure enumerator is overtime first.
8. device as claimed in claim 7, it is characterised in that the recovery module is additionally operable to：When termination condition is met, release
Wireless link is put, the termination condition includes second time-out of the Radio Link Failure enumerator.
9. device as claimed in claim 7, it is characterised in that the modem of the communication control unit is used for：
After ring, from resolution system message the broadcast for receiving；
If successfully resolved, the s_counter is set to the default value.
10. device as claimed in claim 9, it is characterised in that the modem is additionally operable to：
If the system message successfully resolved after ring, status indicator s-state is set to the first numerical value, first numerical value
For characterizing the Radio Link Failure enumerator timing first, or, first numerical value is used for characterizing the execution call
Duration extends strategy.
11. devices as claimed in claim 10, it is characterised in that the duration of call extends strategy also to be included：
The s-state is set to second value, the second value is used for characterizing the Radio Link Failure enumerator the
Secondary timing, or, for characterizing, the second value forbids that executing the duration of call extends strategy.
12. a kind of terminals, it is characterised in that include the communication control unit as described in any one in claim 7-11.
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|---|---|---|---|
| CN201610940506.XA CN106455125A (en) | 2016-10-25 | 2016-10-25 | Communication control method and related device |
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|---|---|---|---|
| CN201610940506.XA CN106455125A (en) | 2016-10-25 | 2016-10-25 | Communication control method and related device |
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| CN106455125A true CN106455125A (en) | 2017-02-22 |
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| CN201610940506.XA Pending CN106455125A (en) | 2016-10-25 | 2016-10-25 | Communication control method and related device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112601241A (en) * | 2020-12-14 | 2021-04-02 | 维沃移动通信有限公司 | Network access method and device |
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Application publication date: 20170222 |