CN100518002C - Method of raising system covering for wideband code division multiple access mobile communication system - Google Patents
Method of raising system covering for wideband code division multiple access mobile communication system Download PDFInfo
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- CN100518002C CN100518002C CNB2004100097639A CN200410009763A CN100518002C CN 100518002 C CN100518002 C CN 100518002C CN B2004100097639 A CNB2004100097639 A CN B2004100097639A CN 200410009763 A CN200410009763 A CN 200410009763A CN 100518002 C CN100518002 C CN 100518002C
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- mobile communication
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- communication terminal
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Abstract
The present invention discloses a method of raising the system coverage for a wideband code division multiple access mobile communication system, which comprises the increase of the coverage of an uplA method for raising system covering of wideband CDMA mobile communication system includes monitoring user up link / down link emission power in real time, decreasing user up link / down link service ink and the increase of the coverage of a downlink. The method is realized through the real-time monitoring to a user's up and down emission power; when the up and the down emission power exceeds the rate when rate down - adjusting threshold is exceeded at certain period of time, raising user up link / down link service rate if down link load is allowable when up link / down link emission rate of downward adjusted threshold of rate for a time, the up and the down service rates of the user are reduced; if the up and the down emission power of a UE is smaller than the upward adjusted threshold oUE is less than rate up - adjusting threshold at certain period of time. f the rate after a time according to a monitoring result, the up and the down service rates are enhanced if down load permits. The method provided by the present invention can solve the problem that different rate services cover differently, and in addition, the switching success ratio can be enhanced. The high rate services can also carry out continuous coverage through certain processing, and simultaneously, the system capacity can also be enhanced.
Description
Technical field
The present invention relates to WCDMA mobile communication system, relate in particular to the method that a kind of WCDMA mobile communication system raising system covers.
Background technology
Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access:WCDMA) mobile communication system is the system that can carry high speed business speed, its flank speed can reach the 2M bandwidth, and the most frequently used flank speed is 384kbps, and minimum speed limit can be the 4.75kbps of adaptive multi-rate (AdaptiveMulti-Rate:AMR) encoded traffic.At the principle of WCDMA system closed-loop power control as can be known, in order to make different business speed can satisfy desired service quality, closed-loop power control can reach the purpose that satisfies service quality by the transmitting power of adjusting the user.But under the restriction of user's maximum transmission power, can occur promptly using the maximum transmission power emission still can not satisfy the situation of quality of services for users, professional coverage hole will occur this moment so, professional its coverage of usually said different rates that Here it is is different and cause the phenomenon that occurs.
In general, under the certain situation of coverage, the needed transmitting power of high-rate service is big, the needed transmitting power of low rate traffic is little, obviously under the certain situation of power, the coverage of high-rate service is less than the coverage of low rate traffic, Fig. 1 is the coverage area diagram of WCDMA system different business speed, as can be seen from Figure 1, continuous increase along with service rate, therefore user's coverage constantly reduces, and adopts which kind of speed to determine to cover when networking and to carry out the planning of capacity extremely important to controlling cost.From networking cost, adopt high-rate service to determine that the cost that covers than adopting low rate traffic is much higher, therefore in order to make networking cost low and guarantee that again different business speed covers continuously in whole system, just must the suitable method of employing.
Technology contents
Technical problem to be solved by this invention provides the method that a kind of WCDMA mobile communication system raising system covers, make high-rate service to cover continuously in whole system, solve the different problem of the professional covering of different rates, and can improve handover success rate.
To achieve these goals, the invention provides the method that a kind of WCDMA mobile communication system raising system covers, the covering that is used to improve up link and/or down link may further comprise the steps:
(1) speed that the professional transmitting power of mobile communication terminal is set in the radio network controller side is adjusted thresholding;
(2) obtain the professional transmitting power of described mobile communication terminal or obtain reported event in the radio network controller side, described professional transmitting power comprises uplink service transmitting power and/or downlink business transmitting power again;
(3) the radio network controller lateral root is adjusted described mobile communication terminal service rate according to the professional transmitting power of described mobile communication terminal and the difference or the described reported event of described speed adjustment thresholding, described service rate comprises uplink service speed and/or downlink business speed again
Wherein, the uplink service transmitting power of described mobile communication terminal reports described radio network controller by described mobile communication terminal, the associated gate limit value that described mobile communication terminal sends according to the radio network controller side, when monitoring Event triggered, to radio network controller side report measurement report
The downlink business transmitting power of described mobile communication terminal reports described radio network controller by Node B, and the associated gate limit value that Node B sends according to radio network controller is when monitoring Event triggered, to the wireless network controller reporting measurement report.
The present invention comes whether dtr signal of the distance of real-time judge user distance base station or the residing zone of user according to user's uplink and downlink transmitting power, thereby reduce user's real time business speed, improves professional the covering.The method that adopts WCDMA mobile communication system raising provided by the present invention system to cover can solve that different rates is professional to cover different problems, and can improve handover success rate, make high-rate service also can accomplish to cover continuously, also can improve the capacity of system by certain processing in whole system.
The present invention is described in more detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the coverage area diagram of WCDMA system different business speed;
Fig. 2 is that the uplink service speed of technical solution of the present invention is adjusted the specific embodiment block diagram;
Fig. 3 is that the downlink traffic speed of technical solution of the present invention is adjusted the specific embodiment block diagram.
Embodiment
The method step that the WCDMA mobile communication system raising system that the present invention mentioned covers is as follows:
The first step: the speed that the transmitting power of different business is set raises thresholding and speed downward modulation thresholding;
Second step: the size of the upper and lower transmitting power of real-time monitoring UE (User Equipment);
The 3rd step: radio network controller (Radio Network Control:RNC) is adjudicated service rate that reduces the user or the service rate that raises the user according to the uplink and downlink transmitting power size of UE: when the transmitting power of UE is high, then reduce user's professional transmission rate in real time; When the transmitting power of UE is relatively hanged down, then raise user's professional transmission rate in real time.
Wherein, first step comprises again:
The speed that professional uplink transmission power is set raises thresholding: comprise that speed raises the beginning thresholding and speed raises the termination thresholding;
The speed downward modulation thresholding of professional down transmitting power is set: comprise that speed downward modulation beginning thresholding and speed downward modulation stop thresholding;
Second step comprises again:
The uplink transmission power of UE periodic report UE, perhaps UE is according to the associated gate limit value of RNC side transmission, when monitoring Event triggered, to RNC side report measurement report;
The down transmitting power of Node B (Node B) periodic report UE, perhaps Node B is according to the associated gate limit value of RNC transmission, when monitoring Event triggered, to the report of RNC report special measurement;
Third step comprises again:
When the uplink transmission power of UE all surpasses the speed downward modulation beginning thresholding of uplink transmission power in a period of time, then begin to reduce the uplink service speed of UE;
When UE is in upstream rate downward modulation state, and when the uplink transmission power of UE is between speed downward modulation beginning thresholding and the speed downward modulation termination thresholding, then after preceding a period of time of once reducing service rate, continue the downward modulation service rate, up to reaching professional minimum-rate or guaranteeing speed;
When the uplink transmission power of UE is all reduced the termination thresholding less than the speed of uplink transmission power over time, then stop to reduce the uplink service speed of UE;
When the uplink transmission power of UE all raises the beginning thresholding less than the speed of uplink transmission power over time,, then raise the uplink service speed of UE if uplink load allows to raise;
Be in the state of permission rise when the uplink service speed of UE, and the speed that is in the uplink transmission power of UE raises the beginning thresholding and speed raises when stopping between the thresholding, if uplink load allows to raise, then continue to raise the uplink service speed of UE, up to reaching professional maximum rate;
When the uplink service speed of UE is in the state that raises of allowing, and the uplink transmission power of UE raises when stopping thresholding greater than speed, then stops UE and raises upstream rate;
When the down transmitting power of UE all surpasses the speed downward modulation beginning thresholding of down transmitting power in a period of time, then reduce the downlink business speed of UE;
When UE is in downstream rate downward modulation state, and when the down transmitting power of UE is between speed downward modulation beginning thresholding and the speed downward modulation termination thresholding, then after preceding a period of time of once reducing service rate, continue the downward modulation service rate, up to reaching professional minimum-rate or guaranteeing speed
When the down transmitting power of UE is all reduced the termination thresholding less than the speed of down transmitting power over time, then stop to reduce the downlink business speed of UE;
When the uplink transmission power of UE all raises the beginning thresholding less than the speed of down transmitting power over time,, then raise the downlink business speed of UE if uplink load allows to raise;
Be in the state of permission rise when the downlink business speed of UE, and the speed that is in the down transmitting power of UE raises the beginning thresholding and speed raises when stopping between the thresholding, if uplink load allows to raise, then continue to raise the downlink business speed of UE, up to the maximum rate that reaches the UE downlink business;
When the downlink business speed of UE is in the state that raises of allowing, and the down transmitting power of UE raises when stopping thresholding greater than speed, then stops UE and raises downlink business speed.
Fig. 2 is the specific embodiment of adjusting according to the uplink service speed that technical scheme provided by the present invention is used in the WCDMA system, and wherein event definition is:
The 6A1 incident: the UE uplink transmission power surpasses up downward modulation and begins thresholding
The 6B1 incident: the UE uplink transmission power is lower than up downward modulation and stops thresholding
The 6A2 incident: the UE uplink transmission power surpasses up rise and stops thresholding
The 6B2 incident: the UE uplink transmission power is lower than up rise and begins thresholding
The A1 incident: the UE down transmitting power surpasses descending downward modulation and begins thresholding
The B1 incident: the UE down transmitting power is lower than descending downward modulation and stops thresholding
The A2 incident: the UE down transmitting power surpasses descending rise and stops thresholding
The B2 incident: the UE down transmitting power is lower than descending rise and begins thresholding
Present embodiment is a reporting events measurement report mode at UE, for the cycle report manner, then in the RNC side it is done the incident decision process, and both are identical for subsequent action:
At first RNC carries out the A401 step: the up downward modulation that the uplink transmission power of UE is set at different business speed begins thresholding (6A1), up downward modulation termination thresholding (6B1), up rise begins thresholding (6A2) and up rise stops thresholding (6B2), carry out the A402 step then: send the internal measurement control messages to UE, the threshold value that is provided with in A401 step as incident thresholding (6A1,6B1,6A2,6B2) notice UE.Report the 6A1 incident when RNC monitors A501:UE, then carry out A502: it is the downward modulation state that the UE uplink state is set, downward modulation one-level uplink service speed, and start timer T; When RNC monitors the A601 step: UE reports the 6B1 incident, then carries out the A602 step: the UE uplink state is set for not adjusting state, stops the downward modulation of uplink service speed; When RNC monitors the A701 step: UE reports the 6B2 incident, then carries out A702: it is the rise state that the UE uplink state is set, and uplink service speed raises if uplink load allows then, and starts timer T; When RNC monitors the A801 step: UE reports the 6A2 incident, then carries out the A802 step: the UE uplink state is set for not adjusting state, stops uplink service speed and raise;
When RNC monitors the A901 step: timer T does not then receive any incident that UE reports always, then carries out the A902 step: judge that whether the UE uplink state is for not adjusting state, if then carry out the A904 step: it is constant to maintain the original state; Otherwise carry out the A903 step: judge whether uplink state is the downward modulation state, if then carry out the A905 step: continue downward modulation uplink service speed, and startup timer, otherwise carry out the A906 step: illustrate that the UE uplink state is in the rise state this moment, if the cell uplink load allows to raise, then continue uplink service speed and raise, and start timer T.
Fig. 3 is the specific embodiment of adjusting according to the downlink traffic speed that technical scheme provided by the present invention is used in the WCDMA system, present embodiment is a reporting events measurement report mode at Node B, for the cycle report manner, then in the RNC side it is done the incident decision process, both are identical for subsequent action:
At first RNC carries out the B401 step: the descending downward modulation that user's down transmitting power is set at different business speed begins thresholding (A1), descending downward modulation termination thresholding (B1), descending rise begins thresholding (A2) and descending rise stops thresholding (B2), carry out the B402 step then: send the special measurement initial message to Node B, the threshold value that is provided with in B401 step as incident thresholding (A1, B1, A2, B2) notice NodeB.Report the A1 incident when RNC monitors B501:Node B, then carry out B502: it is the downward modulation state that the UE downstream state is set, downward modulation one-level downlink business speed, and start timer T; When RNC monitors the B601 step: Node B reports the B1 incident, then carries out the B602 step: the UE downstream state is set for not adjusting state, stops the downward modulation of downlink business speed; When RNC monitors the B701 step: Node B reports the B2 incident, then carries out B702: it is the rise state that the UE downstream state is set, and downlink business speed raises if downlink load allows then, and starts timer T; When RNC monitors the B801 step: Node B reports the A2 incident, then carries out the B802 step: the UE downstream state is set for not adjusting state, stops downlink business speed and raise;
When RNC monitors the B901 step: timer T does not then receive any incident that Node B reports always, then carries out the B902 step: judge that whether the UE downstream state is for not adjusting state, if then carry out the B904 step: it is constant to maintain the original state; Otherwise carry out the B903 step: judge whether the UE downstream state is the downward modulation state, if then carry out the B905 step: continue downward modulation downlink business speed, and startup timer T, otherwise carry out the B906 step: illustrate that the UE downstream state is in the rise state this moment, raise if downlink load allows to continue downlink business speed, and start timer T.
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 (6)
1. the method that covers of a WCDMA mobile communication system raising system, the covering that is used to improve up link and/or down link is characterized in that, may further comprise the steps:
(1) speed that the professional transmitting power of mobile communication terminal is set in the radio network controller side is adjusted thresholding;
(2) obtain the professional transmitting power of described mobile communication terminal or obtain reported event in the radio network controller side, described professional transmitting power comprises uplink service transmitting power and/or downlink business transmitting power again;
(3) the radio network controller lateral root is adjusted described mobile communication terminal service rate according to the professional transmitting power of described mobile communication terminal and the difference or the described reported event of described speed adjustment thresholding, described service rate comprises uplink service speed and/or downlink business speed again
Wherein, the uplink service transmitting power of described mobile communication terminal reports described radio network controller by described mobile communication terminal, the associated gate limit value that described mobile communication terminal sends according to the radio network controller side, when monitoring Event triggered, to radio network controller side report measurement report
The downlink business transmitting power of described mobile communication terminal reports described radio network controller by Node B, and the associated gate limit value that Node B sends according to radio network controller is when monitoring Event triggered, to the wireless network controller reporting measurement report.
2. the method that WCDMA mobile communication system raising according to claim 1 system covers, it is characterized in that: the speed of described professional transmitting power is adjusted thresholding and is comprised that speed raises the beginning thresholding, speed raises and stops thresholding, the speed downward modulation stops thresholding and speed downward modulation beginning thresholding, described professional transmitting power all is lower than described speed and raises when beginning thresholding in a period of time, if uplink load allows, increase described mobile communication terminal service rate, described professional transmitting power all is higher than described speed in a period of time reduces when beginning thresholding, reduces described mobile communication terminal service rate.
3. the method that WCDMA mobile communication system raising according to claim 2 system covers, it is characterized in that: described radio network controller side is periodically obtained the described professional transmitting power of described mobile communication terminal.
4. the method that WCDMA mobile communication system raising according to claim 1 system covers, it is characterized in that, also further comprise the steps: to be provided with a timer, after adjusting described mobile communication terminal service rate according to described reported event, described radio network controller starts described timer, timer then and do not receive described reported event, judge that then whether described mobile communication terminal uplink state is for not adjusting state, if, it is constant then to maintain the original state, otherwise judge whether uplink state is the downward modulation state, if then continue downward modulation uplink service speed, and start described timer, otherwise if the cell uplink load allows to raise, then continue uplink service speed and raise, and start timer.
5. the method that WCDMA mobile communication system raising according to claim 4 system covers, it is characterized in that: described professional transmitting power is lower than described speed rise termination thresholding then increases described mobile communication terminal service rate, and described professional transmitting power is higher than described speed downward modulation termination thresholding and then reduces described mobile communication terminal service rate.
6. the method that covers according to claim 3 or 5 described WCDMA mobile communication system raising systems, it is characterized in that: the service rate of adjusting the described mobile communication terminal in back is less than or equal to flank speed, more than or equal to minimum-rate or the professional speed that guarantees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100097639A CN100518002C (en) | 2004-11-09 | 2004-11-09 | Method of raising system covering for wideband code division multiple access mobile communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100097639A CN100518002C (en) | 2004-11-09 | 2004-11-09 | Method of raising system covering for wideband code division multiple access mobile communication system |
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| Publication Number | Publication Date |
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| CN1773881A CN1773881A (en) | 2006-05-17 |
| CN100518002C true CN100518002C (en) | 2009-07-22 |
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| CNB2004100097639A Expired - Fee Related CN100518002C (en) | 2004-11-09 | 2004-11-09 | Method of raising system covering for wideband code division multiple access mobile communication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101013912B (en) * | 2007-02-05 | 2010-05-19 | 北京邮电大学 | Power control method for centralized wireless multihop access network |
| CN108471339B (en) * | 2017-02-23 | 2020-10-16 | 南京中兴软件有限责任公司 | Method and device for self-adaptive adjustment of AMBR (advanced metering buffer) rate of user |
| SG11201911356XA (en) * | 2017-08-10 | 2020-01-30 | Guangdong Oppo Mobile Telecommunications Corp Ltd | Wireless communication method, terminal device, and network device |
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