CN102811449A - Method and device for improving communication quality - Google Patents
Method and device for improving communication quality Download PDFInfo
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- CN102811449A CN102811449A CN2011101425077A CN201110142507A CN102811449A CN 102811449 A CN102811449 A CN 102811449A CN 2011101425077 A CN2011101425077 A CN 2011101425077A CN 201110142507 A CN201110142507 A CN 201110142507A CN 102811449 A CN102811449 A CN 102811449A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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Abstract
The invention provides a method and a device for improving communication quality. The method includes sending a ranging message from a base station to a terminal when in accessing of the terminal or when the base station does not receive periodic ranging codes reported from the terminal within a certain time. The ranging message includes special periodic ranging codes and ranging indication information. By the method and the device for improving communication quality, reduction of communication quality due to the fact that the periodic ranging from the terminal fails can be avoided.
Description
Technical field
The present invention relates to wireless communication technology, in particular, is a kind of method and apparatus that promotes communication quality.
Background technology
After the base station access by terminal; Can periodically send ranging code and give the base station, the cycle generally is 5-10s, and the base station detects the signal quality at terminal through ranging code; And to the terminal proposes value let terminal adjustment signal power deviation, the time partially or frequency deviation, to guarantee the communication quality of terminal and base station.When upstream data was arranged, not all terminal is initiatively cycle range finding all, if this moment the base station to upstream data inspection signal quality, than be easier to because of the time inclined to one side, the excessive terminal off-grid that causes of power deviation.
Summary of the invention
The technical problem that the present invention will solve provides a kind of method and device that promotes communication quality, causes the communication quality variation with the base station to avoid the range finding of not initiation of terminal cycle.
In order to solve the problems of the technologies described above, the invention provides a kind of method that promotes communication quality, comprising:
The cycle that does not receive said terminal to report when the base station is inserted at the terminal or when certain in the duration is sent range finding message to said terminal during ranging code, and said range finding message comprises special-purpose cycle ranging code and range finding indication information.
Further, said method also has following characteristics: said base station also comprises after range finding message is sent at said terminal:
If in timing length, receive the cycle ranging code of said terminal to report; Then according to this ranging code in cycle respectively signal calculated the time partially, the adjusted value of frequency deviation and power deviation; Dynamically adjust said timing length according to said adjusted value then; After ranging response message is sent at said terminal, retime with adjusted timing length.
Further, said method also has following characteristics: the step that said timing length is dynamically adjusted according to said adjusted value in said base station comprises:
If judge the not relevant parameter of needs adjustment signal according to said adjusted value, then said timing length is increased predetermined step-length, said ranging response message comprises: concentrate one-period ranging code and the ranging success information of selecting at random from the cycle ranging code.
Further, said method also has following characteristics:
If adjusted timing length is greater than preset higher limit, then said base station is that timing length is retimed with said higher limit.
Further, said method also has following characteristics: the step that said timing length is dynamically adjusted according to said adjusted value in said base station comprises:
If relevant parameter according to said adjusted value judgement needs adjustment signal; And adjusted value is in prescribed limit; Then do not adjust said timing length, said ranging response message comprises: concentrate one-period ranging code, ranging success information and the signal adjustment recommendation of selecting at random from the cycle ranging code.
Further, said method also has following characteristics: the step that said timing length is dynamically adjusted according to said adjusted value in said base station comprises:
If relevant parameter according to said adjusted value judgement needs adjustment signal; And adjusted value is not in prescribed limit; Then said timing length is reduced predetermined step-length, said ranging response message comprises: concentrate one-period ranging code, range finding indication information and the signal adjustment recommendation of selecting at random from the cycle ranging code.
Further, said method also has following characteristics: less than preset lower limit, then said base station is that timing length is retimed with said lower limit as if adjusted timing length.
In order to address the above problem, the present invention also provides a kind of device that promotes communication quality, is applied to comprise in the base station:
Detection module is used for the sense terminals access or is detecting the cycle ranging code that when certain, does not receive said terminal to report in the duration;
Sending module; Be used for detecting that the terminal is inserted or when certain, not receiving in the duration under the situation of cycle ranging code of said terminal to report at said detection module; Send range finding message to said terminal, said range finding message comprises special-purpose cycle ranging code and range finding indication information.
Further, said apparatus also has following characteristics: said device also comprises:
Computing module is used for if in timing length, receive the cycle ranging code of said terminal to report, then according to this cycle ranging code respectively signal calculated the time partially, the adjusted value of frequency deviation and power deviation;
Adjusting module is used for dynamically adjusting said timing length according to said adjusted value;
Time block is used for after ranging response message is sent at said terminal, retiming with the adjusted timing length of said adjusting module.
Further, said apparatus also has following characteristics:
Said adjusting module is dynamically adjusted said timing length according to said adjusted value and is specially: if judge the not relevant parameter of needs adjustment signal according to said adjusted value, then said timing length increased predetermined step-length; If according to the relevant parameter of said adjusted value judgement needs adjustment signal, and adjusted value is not then adjusted said timing length in prescribed limit; If according to the relevant parameter of said adjusted value judgement needs adjustment signal, and adjusted value then reduces predetermined step-length with said timing length not in prescribed limit.
Further, said apparatus also has following characteristics:
Said time block also is used for if judge that adjusted timing length greater than preset higher limit, is that timing length is retimed with said higher limit then; If judge that adjusted timing length less than preset lower limit, is that timing length is retimed with said lower limit then.
In order to address the above problem, the present invention also provides a kind of terminal, comprising:
Receiver module is used to receive ranging response message, and said ranging response message carries special-purpose cycle ranging code;
Range finder module is used for carrying out the cycle range finding according to said cycle ranging code.
Further, above-mentioned terminal also has following characteristics: said terminal also comprises:
Adjusting module is used for then utilizing the relevant parameter of said recommendation adjusted value adjustment signal if judge that said ranging response message carries the recommendation adjusted value.
Further, above-mentioned terminal also has following characteristics:
Said range finder module; Specifically be used for if judge that said ranging response message carries the range finding indication information; Then send said cycle ranging code to the base station immediately,, send said cycle ranging code to the base station when then arriving to following one-period if judge that said ranging response message carries ranging success information.
Further, above-mentioned terminal also has following characteristics:
Memory module is used to store said cycle ranging code.
To sum up, the present invention provides a kind of method and device that promotes communication quality, causes the communication quality variation with the base station to avoid the range finding of not initiation of terminal cycle.
Description of drawings
Fig. 1 is the schematic representation of apparatus that the present invention promotes communication quality;
Fig. 2 is a schematic flow sheet of the present invention;
Fig. 3 is that base station side of the present invention is handled the ranging code sketch map;
Fig. 4 is that end side of the present invention is handled the ranging code sketch map;
Fig. 5 is the sketch map at the terminal of the embodiment of the invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, hereinafter will combine accompanying drawing that embodiments of the invention are elaborated.Need to prove that under the situation of not conflicting, embodiment among the application and the characteristic among the embodiment be combination in any each other.
The cycle ranging code is not sent within a certain period of time detecting the terminal in base station provided by the invention, then initiatively sends ranging response to the terminal, and triggering terminal is sent ranging code, to guarantee the communication quality of terminal and base station.Fig. 1 is the schematic representation of apparatus of the lifting communication quality of the embodiment of the invention, and this device is applied in the base station, and is as shown in Figure 1, and the device of present embodiment comprises:
Detection module is used for the sense terminals access or is detecting the cycle ranging code that when certain, does not receive said terminal to report in the duration;
Sending module; Be used for detecting that the terminal is inserted or when certain, not receiving in the duration under the situation of cycle ranging code of said terminal to report at said detection module; Send range finding message to said terminal, said range finding message comprises special-purpose cycle ranging code and range finding indication information.
In a preferred embodiment, said device also comprises: computing module, adjusting module and time block, wherein,
Computing module is used for if in timing length, receive the cycle ranging code of said terminal to report, then according to this cycle ranging code signal calculated the time partially, frequency deviation and power deviation;
Adjusting module is used for dynamically adjusting said timing length according to result of calculation;
Time block is used for after ranging response message is sent at said terminal, retiming with the adjusted timing length of said adjusting module.
Wherein, said adjusting module is specially according to the said timing length of the dynamic adjustment of result of calculation:
If judge the not relevant parameter of needs adjustment signal according to result of calculation, then said timing length increased predetermined step-length; If according to the relevant parameter of result of calculation judgement needs adjustment signal, and adjusted value is not then adjusted said timing length in prescribed limit; If according to the relevant parameter of result of calculation judgement needs adjustment signal, and adjusted value then reduces predetermined step-length with said timing length not in prescribed limit.
Wherein, said time block also is used for if judge that adjusted timing length greater than preset higher limit, is that timing length is retimed with said higher limit then; If judge that adjusted timing length less than preset lower limit, is that timing length is retimed with said lower limit then.
Fig. 2 is a kind of flow chart that promotes the method for communication quality of the present invention, and is as shown in the figure, and this method comprises following step:
The cycle that does not receive said terminal to report when S10, base station are inserted at the terminal or when certain in the duration is sent range finding message to said terminal during ranging code, and said range finding message comprises special-purpose cycle ranging code and range finding indication information.
With a specific embodiment method of the present invention is carried out detailed explanation below.
At first, in network management configuration management, configure initiatively the find range bound in cycle of base station side, and the adjustment step-length, the cycle of terminal periodic range finding generally is 5-10s; And the period of the maximum cycle of stipulating in agreement range finding is 35s, and Given this, the base station period bound scope of initiatively finding range can be [5s, 35s]; The lower limit default value is 5s, and upper limit default value is 35s, and step-length can have two values to select; For example, 5s and 10s, default value 5s.For convenience, suppose the network management configuration base station side initiatively find range the cycle bound and the adjustment step-length be: lower limit 10s, upper limit 35s, step-length 5s.
After terminal initial inserts or network is reentried, be limited to timer duration under base station initiated cycle, start timer with configuration.According to the quality of sense terminals signal quality, dynamically adjust timer duration, guarantee the communication quality of terminal and base station.
As shown in Figure 3, the method for the embodiment of the invention may further comprise the steps:
Ranging Status be the expression ranging success whether, this value can value be 1, expression continue (continuing range finding), value is 2 expression Abort (let terminal exiting network), value is 3 expression success (expression ranging success).If this value is set to 1 usually, then the terminal can be initiated range finding immediately again; If 3, then range finding is next time initiated after can waiting until timer expiry again in the terminal.
The timer of step 103, the range finding of base station initiated active cycle, length of timer is the lower limit in cycle in the network management configuration, for example 10s;
The terminal receives RNG_RSP message, when the cycle of initiation next time finds range at the terminal, uses ranging code initiation cycle in the cycle range finding of base station assigns.
If timer duration surpasses the upper limit after increasing step-length, then restart timer with higher limit 35s.
As shown in Figure 4, the terminal processes flow process of the embodiment of the invention comprises:
The RNG_RSP message of base station is waited in step 31, terminal after access base station;
Step 32, terminal receive the RNG_RSP message of base station;
The cycle ranging code of the special use that said RNG_RSP message carries is preserved at step 33, terminal;
Whether step 34, terminal judges need adjust signal, particularly, check the adjustments whether recommendation is arranged, if having, then turn to step 35; If no, then turn to step 36;
Step 35, terminal are adjusted according to adjusted value, turn round step 36 then;
After step 36, the wait ranging code transmission arrival on opportunity, the cycle ranging code that sends the base station appointment carries out the cycle range finding.
If the Ranging Status that carries in the RNG_RSP message is 1, then adjust signal parameter after, send the cycle ranging code to the base station at once; If the Ranging Status that carries in the RNG_RSP message is 3, then adjust signal parameter after, wait for when following one-period arrives and send the cycle ranging code to the base station.
The present invention also provides a kind of terminal, and is as shown in Figure 5, and the terminal of present embodiment comprises:
Receiver module is used to receive ranging response message, and said ranging response message carries special-purpose cycle ranging code;
Range finder module is used for carrying out the cycle range finding according to said cycle ranging code.
Wherein, Said range finder module specifically is used for if judge that said ranging response message carries the range finding indication information; Then send said cycle ranging code to the base station immediately,, send said cycle ranging code to the base station when then arriving to following one-period if judge that said ranging response message carries ranging success information.
In a preferred embodiment, said terminal can also comprise:
Adjusting module is used for then utilizing the relevant parameter of said recommendation adjusted value adjustment signal if judge that said ranging response message carries the recommendation adjusted value.
In a preferred embodiment, said terminal can also comprise:
Memory module is used to store said cycle ranging code.
Compared with prior art; The present invention has introduced the initiatively function of initiation cycle range finding of base station side; Require in the agreement at present is the range finding of terminal initiation cycle; Realization of the present invention has prevented the generation of finding range and causing terminal and base station communication degradation to cause the terminal off-grid or influence the transfer of data situation because of not initiation of the terminal cycle.
One of ordinary skill in the art will appreciate that all or part of step in the said method can instruct related hardware to accomplish through program, said program can be stored in the computer-readable recording medium, like read-only memory, disk or CD etc.Alternatively, all or part of step of the foregoing description also can use one or more integrated circuits to realize.Correspondingly, each the module/unit in the foregoing description can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
More than be merely the preferred embodiments of the present invention; Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof, those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (15)
1. method that promotes communication quality comprises:
The cycle that does not receive said terminal to report when the base station is inserted at the terminal or when certain in the duration is sent range finding message to said terminal during ranging code, and said range finding message comprises special-purpose cycle ranging code and range finding indication information.
2. the method for claim 1 is characterized in that: said base station also comprises after range finding message is sent at said terminal:
If in timing length, receive the cycle ranging code of said terminal to report; Then according to this ranging code in cycle respectively signal calculated the time partially, the adjusted value of frequency deviation and power deviation; Dynamically adjust said timing length according to said adjusted value then; After ranging response message is sent at said terminal, retime with adjusted timing length.
3. method as claimed in claim 2 is characterized in that: the step that said timing length is dynamically adjusted according to said adjusted value in said base station comprises:
If judge the not relevant parameter of needs adjustment signal according to said adjusted value, then said timing length is increased predetermined step-length, said ranging response message comprises: concentrate one-period ranging code and the ranging success information of selecting at random from the cycle ranging code.
4. method as claimed in claim 3 is characterized in that:
If adjusted timing length is greater than preset higher limit, then said base station is that timing length is retimed with said higher limit.
5. method as claimed in claim 2 is characterized in that: the step that said timing length is dynamically adjusted according to said adjusted value in said base station comprises:
If relevant parameter according to said adjusted value judgement needs adjustment signal; And adjusted value is in prescribed limit; Then do not adjust said timing length, said ranging response message comprises: concentrate one-period ranging code, ranging success information and the signal adjustment recommendation of selecting at random from the cycle ranging code.
6. method as claimed in claim 2 is characterized in that: the step that said timing length is dynamically adjusted according to said adjusted value in said base station comprises:
If relevant parameter according to said adjusted value judgement needs adjustment signal; And adjusted value is not in prescribed limit; Then said timing length is reduced predetermined step-length, said ranging response message comprises: concentrate one-period ranging code, range finding indication information and the signal adjustment recommendation of selecting at random from the cycle ranging code.
7. method as claimed in claim 6 is characterized in that:
If adjusted timing length is less than preset lower limit, then said base station is that timing length is retimed with said lower limit.
8. device that promotes communication quality is applied to comprise in the base station:
Detection module is used for the sense terminals access or is detecting the cycle ranging code that when certain, does not receive said terminal to report in the duration;
Sending module; Be used for detecting that the terminal is inserted or when certain, not receiving in the duration under the situation of cycle ranging code of said terminal to report at said detection module; Send range finding message to said terminal, said range finding message comprises special-purpose cycle ranging code and range finding indication information.
9. device as claimed in claim 8 is characterized in that: said device also comprises:
Computing module is used for if in timing length, receive the cycle ranging code of said terminal to report, then according to this cycle ranging code respectively signal calculated the time partially, the adjusted value of frequency deviation and power deviation;
Adjusting module is used for dynamically adjusting said timing length according to said adjusted value;
Time block is used for after ranging response message is sent at said terminal, retiming with the adjusted timing length of said adjusting module.
10. device as claimed in claim 9 is characterized in that:
Said adjusting module is dynamically adjusted said timing length according to said adjusted value and is specially: if judge the not relevant parameter of needs adjustment signal according to said adjusted value, then said timing length increased predetermined step-length; If according to the relevant parameter of said adjusted value judgement needs adjustment signal, and adjusted value is not then adjusted said timing length in prescribed limit; If according to the relevant parameter of said adjusted value judgement needs adjustment signal, and adjusted value then reduces predetermined step-length with said timing length not in prescribed limit.
11., it is characterized in that like claim 9 or 10 described devices:
Said time block also is used for if judge that adjusted timing length greater than preset higher limit, is that timing length is retimed with said higher limit then; If judge that adjusted timing length less than preset lower limit, is that timing length is retimed with said lower limit then.
12. a terminal comprises:
Receiver module is used to receive ranging response message, and said ranging response message carries special-purpose cycle ranging code;
Range finder module is used for carrying out the cycle range finding according to said cycle ranging code.
13. terminal as claimed in claim 12 is characterized in that, said terminal also comprises:
Adjusting module is used for then utilizing the relevant parameter of said recommendation adjusted value adjustment signal if judge that said ranging response message carries the recommendation adjusted value.
14. terminal as claimed in claim 12 is characterized in that,
Said range finder module; Specifically be used for if judge that said ranging response message carries the range finding indication information; Then send said cycle ranging code to the base station immediately,, send said cycle ranging code to the base station when then arriving to following one-period if judge that said ranging response message carries ranging success information.
15., it is characterized in that said terminal also comprises like each described terminal of claim 12-14:
Memory module is used to store said cycle ranging code.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101425077A CN102811449A (en) | 2011-05-30 | 2011-05-30 | Method and device for improving communication quality |
| PCT/CN2012/072525 WO2012163136A1 (en) | 2011-05-30 | 2012-03-19 | Method and device for improving communication quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101425077A CN102811449A (en) | 2011-05-30 | 2011-05-30 | Method and device for improving communication quality |
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| CN102811449A true CN102811449A (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101425077A Pending CN102811449A (en) | 2011-05-30 | 2011-05-30 | Method and device for improving communication quality |
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| CN (1) | CN102811449A (en) |
| WO (1) | WO2012163136A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1846376A (en) * | 2003-09-04 | 2006-10-11 | 三星电子株式会社 | System and method for selecting a serving base station according to drop of mobile subscriber station in a broadband wireless access communication system |
| CN1981461A (en) * | 2004-05-07 | 2007-06-13 | 三星电子株式会社 | System and method for periodic ranging in a sleep mode in a boadband wireless access communication system |
| EP2015479A2 (en) * | 2007-07-11 | 2009-01-14 | NEC Corporation | Subscriber station, time division multiplexing system and transmission timing control method suitable for wireless communication in synchronous PtoMP scheme |
| CN101400144A (en) * | 2007-09-29 | 2009-04-01 | 华为技术有限公司 | Method, system and device for initial ranging |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101340416B (en) * | 2008-08-28 | 2011-02-16 | 北京交通大学 | Synchronization and channel response estimation method suitable for OFDM system |
-
2011
- 2011-05-30 CN CN2011101425077A patent/CN102811449A/en active Pending
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2012
- 2012-03-19 WO PCT/CN2012/072525 patent/WO2012163136A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1846376A (en) * | 2003-09-04 | 2006-10-11 | 三星电子株式会社 | System and method for selecting a serving base station according to drop of mobile subscriber station in a broadband wireless access communication system |
| CN1981461A (en) * | 2004-05-07 | 2007-06-13 | 三星电子株式会社 | System and method for periodic ranging in a sleep mode in a boadband wireless access communication system |
| EP2015479A2 (en) * | 2007-07-11 | 2009-01-14 | NEC Corporation | Subscriber station, time division multiplexing system and transmission timing control method suitable for wireless communication in synchronous PtoMP scheme |
| CN101400144A (en) * | 2007-09-29 | 2009-04-01 | 华为技术有限公司 | Method, system and device for initial ranging |
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| Publication number | Publication date |
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| WO2012163136A1 (en) | 2012-12-06 |
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Application publication date: 20121205 |