CN1929674A - Control method for business macro-removing diversity mode service quality - Google Patents
Control method for business macro-removing diversity mode service quality Download PDFInfo
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- CN1929674A CN1929674A CNA2005100958859A CN200510095885A CN1929674A CN 1929674 A CN1929674 A CN 1929674A CN A2005100958859 A CNA2005100958859 A CN A2005100958859A CN 200510095885 A CN200510095885 A CN 200510095885A CN 1929674 A CN1929674 A CN 1929674A
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Abstract
This invention discloses one control method based on service quality business macro block mode, which comprises the following steps: a, RNC control panel to set group transfer business to process macro integration mode business parameters and judge conditions; b, RNC control panel requires user interface and UE measurement the said business parameters and receiving above measurement result; c, RNC processes non real-time group transfer business on current macro mode and judging whether business volume results meet conditions, if meets then processing macro block removing.
Description
Technical field
The present invention relates to the service control method in code division multiple access (the Code Division Multiple Access:CDMA) system, more specifically, relate to the control method of in this system business being removed macro diversity mode.
Background technology
Mobile communication system experienced from frequency division, the time assign to three epoch that sign indicating number divides, what adopt in preceding two generations all is direct-cut operation, and has adopted soft hand-off in third generation cdma system, grand diversity has obtained using widely.
The notion of diversity is can simplicity of explanation as follows: if the signal in radio propagation path has experienced the deep fading, and may still comprise stronger signal in another relatively independent path.Therefore can to select two or more signals, such benefit in multipath signal be it all has raising for the instantaneous signal-to-noise ratio and the average signal-to-noise ratio of receiving terminal, and can improve 20dB usually to 30dB.
Decline has two kinds: large scale decline and small scale decline.When the displacement of travelling carriage had only several wavelength, the characteristic of small scale decline was characterized by the degree of depth and the speed of amplitude fluctuation, and these declines are that the complex reflex by near the object travelling carriage is caused.The small scale decline causes Rayleigh (Rayleigh) decline of signal strength signal intensity in the small distance scope to distribute usually.In order to prevent the deep fading, can adopt the micro diversity technology to handle fast-changing signal.And that large scale decline is the shadow region that caused by surrounding environment landform and geographical difference is caused.In the overabundant yin shadow zone, the signal strength signal intensity that travelling carriage receives may be lower than the intensity when propagating in free space, and travelling carriage can be from improving the signal to noise ratio on the forward link in essence by selecting the not base station in the shadow region of signaling.Because the separation of the base station that business is provided of travelling carriage utilization is far away, thereby this is known as grand diversity.
Grand diversity is useful equally for base station receiver.By using the antenna for base station of spatially fully separating, the antenna of receiving that signal is the strongest can be selected in the base station, thereby improves the signal quality of reverse link.
Cdma system promptly is to utilize grand diversity to improve the performance or the quality of reception, and the grand diversity notion that is used for CDMA relates to the link from two or more whiles of two or more base stations.Mobile device and cell receiver use a plurality of parallel correlators, utilize the receiver of parallel correlator, allow the arrival in each path to be followed the tracks of independently, and the signal strength signal intensity sum that they receive is by this signal of user's demodulation.When on each arrival decline being arranged, decline is independently, thereby adjustable more reliable based on the signal sum.For the user under the situation of movement, have considerable cell and use grand diversity.
In grand diversity process, because the user is connected with the base station by multilink, can use a plurality of equipment/resources of cellular basestation so, and after system is designed, the element number of transceiver just is fixed, and downgoing channelized codes also is limited simultaneously, along with user's increase, the user who is under the grand diversity will consume hardware resource and Radio Resource in a large number, so macro diversity mode need effectively be controlled.
Summary of the invention
The technical problem to be solved in the present invention provides in a kind of cdma system the control method that business is removed macro diversity mode based on QoS of customer (Qos), this method can effectively solve the non-real-time service that is in user under the macro diversity mode, when Qos is less demanding, still take and waste the problem of Radio Resource.
In order to solve the problems of the technologies described above, the invention provides a kind of control method that business is removed macro diversity mode based on Qos, may further comprise the steps:
The a.RNC chain of command sets in advance and is used to trigger portfolio parameter and the decision condition that goes macro diversity mode to handle to non real-time packet scheduling business;
The b.RNC chain of command requires user's face and UE to measure described portfolio parameter, and receives the measurement result that reports;
C.RNC is for the current non real-time packet scheduling business that is in macro diversity mode of UE, judges whether to satisfy described decision condition according to the measurement result of its traffic carrying capacity, if satisfy, then goes macro diversity mode to handle to this business.
Further, above-mentioned control method also can have following characteristics: the portfolio parameter that is provided with among the described step a is the threshold value of upstream traffic and downlink traffic, described decision condition is when the measured value of uplink and downlink traffic carrying capacity during all less than the thresholding that is provided with, then triggers the macro diversity mode that goes of non real-time packet scheduling business is handled.
Further, above-mentioned control method also can have following characteristics: the threshold value of described uplink and downlink traffic carrying capacity is that the ability that the public physic channel that disposes according to the sub-district can carry the packet scheduling business is provided with.
Further, above-mentioned control method also can have following characteristics: among the described step b, described RNC only requires to handle in the UE of macro diversity status and carries out the measurement of described portfolio parameter and report.
Further, above-mentioned control method also can have following characteristics: among the described step c, the RNC chain of command to described business carry out go macro diversity mode to handle the time, be that sub-district with optimal quality in the current Active Set of described UE is chosen to be Target cell, notify other sub-district in this Active Set to delete the relevant Radio Link of this business, only in Target cell, keep this professional channel of carrying.
Further, above-mentioned control method also can have following characteristics: the sub-district of described optimal quality is meant the highest sub-district of pilot frequency intensity in the Active Set.
Further, above-mentioned control method also can have following characteristics: among the described step c, described RNC chain of command judges also whether the resource of Target cell common signal channel enough carries described business, if it is enough, then described business is switched to common signal channel from the dedicated channel of this sub-district, if not enough, then keep the dedicated channel of described business at Target cell.
Further, above-mentioned control method also can have following characteristics: among the described step c, if the current link of described business is not in the Serving RNC side, then carry out repositioning process earlier, Serving RNC is switched to the Drift Radio Network Controller of described business, carry out follow-up common channel resources again and judge and the channel switching processing.
Further, above-mentioned control method also can have following characteristics: among the described step c, if the current link of described business is not in the Serving RNC side, then this Serving RNC obtains the resource situation of Target cell common signal channel by the Drift Radio Network Controller of described business, when resource is enough, described business is transformed into common signal channel from dedicated channel.
As from the foregoing, the inventive method requires lower non-real-time service to Qos, when its up-downgoing traffic carrying capacity hour, Radio Link deletion with other non-Target cell, and only keep in the Target cell this professional dedicated channel of carrying, eliminating its macro diversity status, and further it is moved to common signal channel when can be in the resource of common signal channel enough, not only can continue to satisfy quality of services for users, save Radio Resource simultaneously.
Description of drawings
The flow chart of the processing decision method that Fig. 1 reports for measuring business volume for side Network Based of the present invention and UE;
Fig. 2 for one embodiment of the invention for non-real-time service go macro diversity mode operation flow chart;
Fig. 3 is the schematic flow sheet of SRNC repositioning process among the present invention.
Embodiment
Exist multiple business in third generation cdma system, speech business, video telephone, Streaming Media download, web page browsing, video request program, receiving and dispatching mail, file download etc. are arranged, these business have nothing in common with each other to the requirement of time delay.According to the sensitiveness of business, business is divided into two classes substantially: real time business and non-real-time service to time delay.Because professional own, real time business is very obvious to the call drop subjective feeling, and for non-real-time service, even the call drop business also can rebulid automatically, user's subjective feeling is not obvious.
Based on above analysis, the present invention is for the non real-time PS business that is under the macro diversity mode, when traffic carrying capacity is very little, make this user leave macro diversity mode, only there is a link, so just saved the Radio Resource of system, and can forward it to common condition from single user state.Because non-real-time service is insensitive to delay requirement, this pressure conversion regime, it is discontinuous that the user can not feel to converse, and simultaneously because traffic carrying capacity is very little, the common signal channel transmission of having the ability can not reduce user's Qos requirement.
Below in conjunction with the drawings and specific embodiments the present invention is further introduced, but not as a limitation of the invention.
The present embodiment method is an example with the WCDMA system, at first set in advance the threshold value of the uplink and downlink traffic carrying capacity of the non real-time PS business that is used to trigger the macro diversity mode handling process at SRNC (service wireless network controller) chain of command, the ability of the PS business that this threshold value can be carried according to the public physic channel that the sub-district disposed is determined.
After finishing above-mentioned configuration, as shown in Figure 1, present embodiment goes the flow process of the control method of macro diversity mode may further comprise the steps based on Qos's to business:
Step 101:SRNC chain of command requires SRNC user's face and UE to measure professional uplink and downlink traffic carrying capacity respectively by measurement control order, and receives the measuring business volume report that reports;
Step 102: whether the measured value of judging each current business up-downgoing traffic carrying capacity all less than the thresholding that sets in advance, if, then carry out next step 103, if not, then do not handle, finish;
Step 103: judge whether this business is non real-time PS business; If, then carry out next step 104, if not, then do not handle, finish;
Step 104: judge whether be in macro diversity status, if then execution in step 105, if not, other deals with if carrying out this professional UE, finish;
Step 105:SRNC chain of command goes macro diversity mode to handle to this business.
It should be noted, more than the order judged of each step might not be confined to upper type.In addition, report the measurement result of its traffic carrying capacity, needn't judge again in step 104 then whether UE is in macro diversity status if SRNC only requires the UE that is in macro diversity status.
Fig. 2 shows above-mentioned steps 105 for the flow process that non-real-time service goes macro diversity mode to operate, and may further comprise the steps:
Step 201:SRNC chain of command with the sub-district of the optimal quality in the current Active Set of this UE as Target cell, notify other sub-district to delete this professional Radio Link, can sort according to the pilot frequency intensity that UE records in sub-district in the Active Set, intensity the highest as optimum subdistrict;
Step 202: judge in the Target cell should business current link whether in Serving RNC (SRNC) side, if then execution in step 204; If not, execution in step 203 then;
Step 203: carry out the SRNC reorientation according to the 3GPP agreement, the DRNC at current link place that should business with order is converted to, subsequently execution in step 204 again;
Step 204:SRNC chain of command judges whether the resource of Target cell common signal channel enough carries this business, if, execution in step 205, otherwise, execution in step 206;
Step 205 switches to common signal channel with this business of carrying out on the UE from dedicated channel, finishes;
Step 206 is retained in this business on the dedicated channel of Target cell, finishes.
For the SRNC reorientation in the above-mentioned steps 203, with reference to shown in Figure 3, its process comprises the steps: again
Step 2041:SRNC sends re-positioning request to communication network (Communication Network:CN);
Step 2042:CN sends re-positioning request to Drift Radio Network Controller (Drift RNC:DRNC), sets up the RAB of reorientation;
Step 2043:DRNC returns acknowledge message to CN;
Step 2044:CN sends the reorientation order to SRNC;
Step 2045:SRNC sends acknowledgement command to DRNC;
Step 2046:DRNC carries out reorientation and detects, and is sent completely message to CN;
Step 2047:CN sends release command to SRNC, and whole repositioning process finishes.
After repositioning process finishes, no longer there be the Radio Link relevant in the sub-district under former SRNC administers with this UE, and former SRNC is the administrative power of this UE is handed to new RNC, the repositioning process of SRNC promptly can take place, former DRNC becomes SRNC, come the resource of UE is distributed by new SRNC like this, can reduce time delay effectively.
In sum, method of the present invention requires lower user according to the requirement of Qos for Qos, takes to force it to leave the method for macro diversity mode when guaranteeing service quality, and has improved utilization ratio of wireless resources effectively.
The present invention can also have various conversion on the basis of the foregoing description, for example:
In another embodiment, when SRNC in the step 202 judged this professional Radio Link in the DRNC side, according to the resource request signaling of judged result to DRNC transmission Common transport channel, DRNC reported to SRNC with the resource situation of common signal channel by SRNC; SRNC should business switches to common signal channel or this business is retained on the former dedicated channel from dedicated channel according to the resource situation of this common signal channel again.No longer carry out complicated SRNC repositioning process.
And for example, the present invention also goes for other 3G cdma system, and as TD-SCDMA, CDMA2000 just should the current link of business during not in the SRNC side at Target cell, and follow-up specific implementation flow process may be had any different, but basic thought is identical.
Claims (9)
1, a kind of quality-of-service based control method that business is removed macro diversity mode may further comprise the steps:
A. the radio network controller chain of command sets in advance and is used to trigger portfolio parameter and the decision condition that goes macro diversity mode to handle to non real-time packet scheduling business;
B. the radio network controller chain of command requires user's face and subscriber equipment to measure described portfolio parameter, and receives the measurement result that reports;
C. radio network controller is for the current non real-time packet scheduling business that is in macro diversity mode of subscriber equipment, judges whether to satisfy described decision condition according to the measurement result of its traffic carrying capacity, if satisfy, then goes macro diversity mode to handle to this business.
2, quality-of-service based control method of business being removed macro diversity mode as claimed in claim 1, it is characterized in that: the portfolio parameter that is provided with among the described step a is the threshold value of upstream traffic and downlink traffic, described decision condition is when the measured value of uplink and downlink traffic carrying capacity during all less than the thresholding that is provided with, then triggers the macro diversity mode that goes of non real-time packet scheduling business is handled.
3, the quality-of-service based control method that business is removed macro diversity mode as claimed in claim 2 is characterized in that: the threshold value of described uplink and downlink traffic carrying capacity is that the ability that the public physic channel that disposes according to the sub-district can carry the packet scheduling business is provided with.
4, quality-of-service based control method of business being removed macro diversity mode as claimed in claim 1, it is characterized in that: among the described step b, described radio network controller is only required to handle in the subscriber equipment of macro diversity status and is carried out the measurement of described portfolio parameter and report.
5, quality-of-service based control method of business being removed macro diversity mode as claimed in claim 1, it is characterized in that: among the described step c, the radio network controller chain of command to described business carry out go macro diversity mode to handle the time, be that sub-district with optimal quality in the current Active Set of described subscriber equipment is chosen to be Target cell, notify other sub-district in this Active Set to delete the relevant Radio Link of this business, only in Target cell, keep this professional channel of carrying.
6, the quality-of-service based control method that business is removed macro diversity mode as claimed in claim 5, it is characterized in that: the sub-district of described optimal quality is meant the highest sub-district of pilot frequency intensity in the Active Set.
7, quality-of-service based control method of business being removed macro diversity mode as claimed in claim 5, it is characterized in that: among the described step c, described radio network controller chain of command judges also whether the resource of Target cell common signal channel enough carries described business, if it is enough, then described business is switched to common signal channel from the dedicated channel of this sub-district, if not enough, then keep the dedicated channel of described business at Target cell.
8, quality-of-service based control method of business being removed macro diversity mode as claimed in claim 7, it is characterized in that: among the described step c, if the current link of described business is not in the service wireless network controller side, then carry out repositioning process earlier, service wireless network controller is switched to the floating radio network controller of described business, carry out follow-up common channel resources again and judge and the channel switching processing.
9, quality-of-service based control method of business being removed macro diversity mode as claimed in claim 7, it is characterized in that: among the described step c, if the current link of described business is not in the service wireless network controller side, then this service wireless network controller obtains the resource situation of Target cell common signal channel by the floating radio network controller of described business, when resource is enough, described business is transformed into common signal channel from dedicated channel.
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| CNA2005100958859A CN1929674A (en) | 2005-09-06 | 2005-09-06 | Control method for business macro-removing diversity mode service quality |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009012727A1 (en) * | 2007-07-25 | 2009-01-29 | Huawei Technologies Co., Ltd. | Method and apparatus of secondary activating flow processing initiated by network side |
| WO2009039762A1 (en) * | 2007-09-21 | 2009-04-02 | Huawei Technologies Co., Ltd. | Method for implementing macro diversity combining and system and apparatus |
| CN101286926B (en) * | 2007-04-10 | 2011-03-02 | 中兴通讯股份有限公司 | Method for switching PS service in TD-SCDMA between dedicated channel and common channel |
| CN101364825B (en) * | 2007-08-10 | 2012-05-30 | 华为技术有限公司 | Macrodiversity incorporating method, system, base station and user equipment |
| CN101640914B (en) * | 2008-07-28 | 2013-02-27 | 华为技术有限公司 | Method and device for achieving network selection |
-
2005
- 2005-09-06 CN CNA2005100958859A patent/CN1929674A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101286926B (en) * | 2007-04-10 | 2011-03-02 | 中兴通讯股份有限公司 | Method for switching PS service in TD-SCDMA between dedicated channel and common channel |
| WO2009012727A1 (en) * | 2007-07-25 | 2009-01-29 | Huawei Technologies Co., Ltd. | Method and apparatus of secondary activating flow processing initiated by network side |
| CN101364825B (en) * | 2007-08-10 | 2012-05-30 | 华为技术有限公司 | Macrodiversity incorporating method, system, base station and user equipment |
| US8526959B2 (en) | 2007-08-10 | 2013-09-03 | Huawei Technologies Co., Ltd. | Method, system, base station, and user equipment for macro diversity combining |
| WO2009039762A1 (en) * | 2007-09-21 | 2009-04-02 | Huawei Technologies Co., Ltd. | Method for implementing macro diversity combining and system and apparatus |
| US8619721B2 (en) | 2007-09-21 | 2013-12-31 | Huawei Technologies Co., Ltd. | Method, system and equipment for implementing macro diversity combining |
| CN101640914B (en) * | 2008-07-28 | 2013-02-27 | 华为技术有限公司 | Method and device for achieving network selection |
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