CN101155391A - Call control method and device based on the same - Google Patents
Call control method and device based on the same Download PDFInfo
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- CN101155391A CN101155391A CNA2006101134278A CN200610113427A CN101155391A CN 101155391 A CN101155391 A CN 101155391A CN A2006101134278 A CNA2006101134278 A CN A2006101134278A CN 200610113427 A CN200610113427 A CN 200610113427A CN 101155391 A CN101155391 A CN 101155391A
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Abstract
A call control method is disclosed in the present invention, comprising: A1, UE judges the cell whether does exist service transferring speciality suitable for the service carrier wave according the service transferring speciality of the cell arranged by the network side when the UE in the cell initiates service, if does, then selecting the service transferring speciality suitable for the service carrier wave initiating service; otherwise, A2, the UE selects a new cell, executing step A1. A call control method is also disclosed in the present invention, comprising: setting the cell carrier wave service transferring speciality; judging the cell resided by the UE presently whether does exist the service transferring speciality suitable for the service carrier wave when the network side initiates service, if does, then selecting service transferring speciality suitable for the service carrier wave in the present cell, and initiating service; otherwise, selecting the cell existing service transferring speciality suitable for the service carrier wave, informing the UE to switch to the cell, and initiating service in the cell. A call control device is also disclosed in the present invention.
Description
Technical field
The present invention relates to TD SDMA (TD-SCDMA, Time DivisionSynchronization Code Division Multiple Access) communications field, relate in particular in the TD-SCDMA system calling-control method and based on the device of this method.
Background technology
At present, in the 3-G (Generation Three mobile communication system) of supporting 3GPP R4 version, mainly contain 4 class business: conversation class (Conversational) is professional, stream class (Streaming) is professional, interactive class (Interactive) is professional and background class (Background) business.Wherein, conversation class and stream class service are based on Circuit-switched business, and interactive class and background class then are based on the business of packet switching.These business are all by radio network controller (RNC, Radio Network Controller) configuration and the special-purpose physical channel (DPCH of foundation, Dedicated Physical Channel), the user is established to service ending from connection and specially enjoys this physical channel always, therefore, circuit-switched service and packet switching service all are based on the business of dedicated channel.
Along with the continuous increase of 3-G (Generation Three mobile communication system) to the data business demand, to improving constantly that systematic function requires, third generation partner program (3GPP, 3rd Generation Partnership Project) 3GPP R5 version and 3GPP R7 version have increased high speed downlink packet access (HSDPA respectively newly, High Speed Downlink Package Access) technology and high speed uplink packet insert (HSUPA, High Speed Uplink Package Access) technology.The business of employing HSDPA/HSUPA technical transmission all is based on the enhanced services of shared channel.
No matter be working mechanism, controlled entity, resource allocation principle or the method that realizes, based on the business (hereinafter to be referred as " shared channel business ") of shared channel transmission and all completely different based on the business (hereinafter to be referred as " dedicated channel service ") of dedicated channel transmission.Because the shared notion that the realization mechanism of shared channel is based on fully designs, the dedicated channel that is different from the mechanism that is dedicated as with resource fully, and TD-SCDMA is a Narrowband CDMA (CDMA, Code Division Multiple Access) system, resource is very limited, therefore, if at same carrier wave, be same Frequency point, not only support dedicated channel service but also support the shared channel business, can bring a lot of problems:
At first, when utilizing same carrier wave not only to support dedicated channel service but also supporting that shared channel is professional, because the entity of control dedicated channel resource and shared channel resources is not on same equipment, dedicated channel resource is controlled by RNC, the real-time control of shared channel resources then more realizes in the base station, therefore, had both increased the difficulty of resource allocation, increase control expense and control time delay again, be unfavorable for the real-time control and the scheduling of miscellaneous service.
Secondly, when utilizing same carrier wave not only to support dedicated channel service but also supported that shared channel is professional,, therefore need consider multiple contingent situation owing to can't learn actual various channel service allocation proportions in advance.For satisfying multiple contingent service conditions, the disposal ability of system has also been proposed high requirement, also increased the complexity of system simultaneously greatly, increase system resources consumption, the rising that brings system cost and power consumption.
At last, when utilizing same carrier wave not only to support dedicated channel service but also supporting that shared channel is professional, because therefore the resource allocation principle difference of two kinds of channels when Resources allocation, need take into account the resource operating position and the disturbance regime of two kinds of channels.
Summary of the invention
In view of this, the technical problem that the present invention solves provides a kind of calling-control method and based on the device of this method, adopt method and apparatus of the present invention, when UE and network side transport service, need not on same cell carrier, not only to support dedicated channel service but also support the shared channel business, thereby reduced the difficulty of resource allocation and controlled expense, control time delay, and the complexity and the resource consumption of system have been reduced, reduce the resource allocation difficulty, also helped the evolution of network and the evolution of technology.
For this reason, technical scheme provided by the invention is as follows:
A kind of calling-control method comprises:
A1, initiate when professional when the user equipment (UE) in the sub-district, UE is according to the professional transmission characteristic of the cell carrier of network side setting, judge the carrier wave that whether exists professional transmission characteristic to be fit to described business in this sub-district, if exist, the carrier wave of then selecting professional transmission characteristic to be fit to described business is initiated professional; Otherwise,
A2, this UE select new sub-district, execution in step A1.
Wherein, take a step forward in steps A 1 and comprise:
B1, when UE inserts the sub-district, the professional transmission characteristic of the cell carrier that UE is provided with according to network side judges whether there is the carrier wave that is fit to its professional transmission characteristic in this sub-district, if exist, then inserts this sub-district; Otherwise,
B2, UE select new sub-district, execution in step B1.
Wherein, according to the traffic carrying capacity of all kinds business, the professional transmission characteristic of cell carrier is set in corresponding ratio.
Wherein, described professional transmission characteristic comprises: only support the characteristic of dedicated channel or only support the characteristic of shared channel.
The present invention also provides another calling-control method, and this method comprises:
The professional transmission characteristic of cell carrier is set;
When network side is initiated business according to the professional transmission characteristic of UE, judge whether the current resident sub-district of UE exists professional transmission characteristic to be fit to the carrier wave of described business, if exist, then select professional transmission characteristic to be fit to the carrier wave of described business, and initiate professional in current area; Otherwise, select to exist professional transmission characteristic to be fit to the sub-district of the carrier wave of described business, notice UE switches to this sub-district, and initiates professional in this sub-district.
Wherein, according to the traffic carrying capacity of all kinds business, the professional transmission characteristic of cell carrier is set in corresponding ratio.
Wherein, described professional transmission characteristic comprises: only support the characteristic of dedicated channel or only support the characteristic of shared channel.
The invention allows for the corresponding call control device based on said method, a kind of call control apparatus comprises: information unit, judging unit, carrier wave selected cell and cell selecting unit;
Described information unit is used to obtain the professional transmission characteristic of the cell carrier that network side is provided with;
Described judging unit, be used for professional transmission characteristic according to the cell carrier of network side setting, judge the carrier wave that whether exists professional transmission characteristic to be fit to described business in this sub-district, if exist, then notify the carrier wave selected cell to select professional transmission characteristic to be fit to the carrier wave of described business, and initiate professional; Otherwise the notifying cell selected cell is selected new sub-district;
Described carrier wave selected cell is used to select professional transmission characteristic to be fit to the carrier wave of described business, and initiates professional;
Described cell selecting unit is used to select new sub-district, and the announcement information unit obtains the professional transmission characteristic of new cell carrier.
Wherein, also comprise:
The sub-district access unit is used for the professional transmission characteristic according to cell carrier, judges whether there is the carrier wave that is fit to its professional transmission characteristic in this sub-district, if exist, then insert this sub-district, otherwise the notifying cell selected cell is selected new sub-district.
Another call control apparatus comprises: unit, judging unit, carrier wave selected cell and cell selecting unit are set;
Described the professional transmission characteristic that the unit is used to be provided with cell carrier is set;
Described judging unit is used to judge whether the current resident sub-district of UE exists professional transmission characteristic to be fit to the carrier wave of described business, if exist, then notifies the carrier wave selected cell to select professional transmission characteristic to be fit to the carrier wave of described business in current area, and initiates professional; Otherwise the notifying cell selected cell selects to exist professional transmission characteristic to be fit to the sub-district of the carrier wave of described business, and notice UE switches to this sub-district, initiates professional in this sub-district;
Described carrier wave selected cell is used for being fit to the carrier wave of described business in the current resident professional transmission characteristic of cell selecting of UE, and initiates professional;
Described cell selecting unit is used to select to exist professional transmission characteristic to be fit to the sub-district of the carrier wave of described business, and notifies UE to switch to this sub-district, initiates professional in this sub-district.
In the present invention, the professional transmission characteristic of cell carrier is provided with, promptly the type of service that cell carrier transmitted is provided with.After professional transmission characteristic was set, UE and network side can only transmit business based on a kind of channel by a carrier wave, promptly can only transmit dedicated channel service and maybe can only transmit the shared channel business.When UE in the sub-district and network side transport service, the carrier transmission that the professional transmission characteristic of selection is fit to this type of service should business.As can be seen, adopt method of the present invention or device, when UE and network side transport service, need not on same carrier wave, not only to support dedicated channel service but also support the shared channel business, thereby reduced the difficulty of resource allocation and controlled expense, control time delay, and reduced the complexity and the resource consumption of system, and reduced the resource allocation difficulty, also help the evolution of network and the evolution of technology.
Description of drawings
Fig. 1 is the flow chart of the inventive method embodiment 1;
Fig. 2 is the flow chart of the inventive method embodiment 2;
Fig. 3 is the flow chart of the inventive method embodiment 3;
Fig. 4 is the flow chart of the inventive method embodiment 4;
Fig. 5 is the schematic diagram of apparatus of the present invention embodiment;
Fig. 6 is another schematic diagram of apparatus of the present invention embodiment.
Embodiment
At present, can be divided into single-carrier cell and multi-carrier district according to the employed number of carriers in sub-district.Single-carrier cell is only used a carrier wave and UE transport service, can according to a certain percentage the single-carrier cell in the network be divided into the sub-district of only supporting dedicated channel service and the sub-district of only supporting the shared channel business.Multi-carrier district can use a plurality of carrier waves and UE transport service, according to a certain percentage the carrier wave that is set to only to support dedicated channel service or only supports the shared channel business of the carrier wave in the sub-district.
At single-carrier cell, 1 pair of this method is done further and is specified in conjunction with the embodiments below, and Fig. 1 is the flow chart of the inventive method embodiment 1.
In step 101, the professional transmission characteristic of cell carrier is set, that is, the carrier wave of sub-district is set to only support to transmit a kind of channel service.After setting is finished, cell carrier or only support dedicated channel service, or only support the shared channel business.For single-carrier cell, the professional transmission characteristic of carrier wave is the professional transmission characteristic of sub-district just.
After the setting of cell carrier finished, in step 102, the sub-district will be by the professional transmission characteristic notice UE of broadcast with this sub-district.UE can know that by the broadcast of sub-district the cell carrier of this sub-district can support the business of which kind of channel to transmit.
When the UE in the sub-district needs and during the network side transport service, whether the professional transmission characteristic that at first should judge the sub-district in step 103 can support the business of its initiation, if can, then in step 104, UE in this sub-district to network side initiation business; Otherwise in step 105, this UE selects new sub-district.This UE can obtain the professional transmission characteristic of new sub-district by the broadcast of new sub-district, and continues execution in step 103, finds the sub-district that professional transmission characteristic can support that it is professional up to this UE.
Embodiment 1 specifies method of the present invention at single-carrier cell, and below at multi-carrier district, 2 pairs of these methods are done further and specified in conjunction with the embodiments, and Fig. 2 is the flow chart of the inventive method embodiment 2.
In step 201, the professional transmission characteristic of each carrier wave of sub-district is set.After the setting of each cell carrier finished, in step 202, the sub-district will be by the professional transmission characteristic notice UE of broadcast with each carrier wave in this sub-district.UE can be known the professional transmission characteristic of each carrier wave in this sub-district by the broadcast of sub-district.
When the UE in the sub-district needs and during the network side transport service, at first should judge whether exist professional transmission characteristic to be fit to its professional carrier wave in the sub-district in step 203, if exist, then in step 204 the suitable carrier wave of selection to network side initiation business; Otherwise in step 205, this UE will select new sub-district.This UE can obtain the professional transmission characteristic of each carrier wave of new sub-district by the broadcast of new sub-district, and continues execution in step 203, finds up to this UE to exist professional transmission characteristic to be fit to the sub-district of its professional carrier wave.
In embodiment 1, when UE when single-carrier cell switches to new sub-district, new sub-district both can be that single-carrier cell also can be a multi-carrier district.When UE when single-carrier cell switches to multi-carrier district, the method for UE transport service in multi-carrier district is identical with embodiment 2 described methods, no longer repeat specification here.In like manner, in embodiment 2, when UE when multi-carrier district switches to new sub-district, new sub-district both can be that multi-carrier district also can be a single-carrier cell, the method of UE transport service in single-carrier cell is identical with embodiment 1 described method, no longer repeat specification here.
In embodiment 1 and embodiment 2 described methods, UE judges just whether current area can support the business of its initiation when initiating business.In the actual conditions, UE can judge also whether the sub-district can support the business of its initiation when inserting the sub-district, and whether the professional transmission characteristic of cell carrier is fit to its professional transmission characteristic.
At single-carrier cell, the method for 3 pairs of UE selection sub-districts is done further and is specified in conjunction with the embodiments below, and Fig. 3 is the flow chart of embodiment 3.
In step 301, the professional transmission characteristic of cell carrier is set.After the setting of cell carrier finished, in step 302, the sub-district will be by the professional transmission characteristic notice UE of broadcast with this sub-district.UE can know that by the broadcast of sub-district the cell carrier of this sub-district can support the business of which kind of channel to transmit.
In step 303, UE will judge whether the professional transmission characteristic of this sub-district is fit to the professional transmission characteristic of self, if then UE selects to reside in this sub-district in step 304; Otherwise UE will select new sub-district in step 305.This UE can obtain the professional transmission characteristic of each carrier wave of new sub-district by the broadcast of new sub-district, and continues execution in step 303, finds the sub-district that is fit to its professional transmission characteristic up to this UE.
After UE resided in proper cell, the method for UE and network side transport service was identical with embodiment 1 described method, no longer repeat specification here.
When UE when only supporting the single carrier terminal of dedicated channel service, should preferentially select to insert and not support the sub-district of shared channel business to carry out resident; When UE when supporting the data card terminal of shared channel business, should insert in the sub-district of only supporting the shared channel business; When UE when supporting the single carrier terminal of shared channel business, should preferentially insert the sub-district of supporting dedicated channel service, also can insert the sub-district of supporting the shared channel business; When UE when supporting the multi-carrier terminal of shared channel business, can insert the sub-district of supporting two kinds of channel services simultaneously.
Embodiment 3 selects the method for sub-district to specify at single-carrier cell to UE, and below at multi-carrier district, the method for 4 pairs of UE selection sub-districts is done further and specified in conjunction with the embodiments, and Fig. 4 is the flow chart of embodiment 4.
In step 401, the professional transmission characteristic of each carrier wave of sub-district is set.After the setting of each cell carrier finished, in step 402, the sub-district will be by the professional transmission characteristic notice UE of broadcast with each carrier wave in this sub-district.UE can be known the professional transmission characteristic of each carrier wave in this sub-district by the broadcast of sub-district.
In step 403, UE will judge whether there is the carrier wave that is fit to the own service transmission characteristic in this sub-district, if exist, then UE resides in this sub-district in step 404; Otherwise UE will select new sub-district in step 405.UE can be known the professional transmission characteristic of each cell carrier in this sub-district by the broadcast of new sub-district, and continues execution in step 403, is fit to its resident sub-district up to finding.
After UE resided in proper cell, the method for UE and network side transport service was identical with embodiment 2 described methods, no longer repeat specification here.
All to be UE initiate professional calling-control method to network side to above-mentioned 4 embodiment, initiates when professional to UE when network side, and the calling-control method of network side comprises:
Owing to self professional transmission characteristic is reported network side when UE inserts the sub-district, thereby initiate when professional to UE according to the professional transmission characteristic of UE when network side, network side can judge whether the current resident sub-district of UE exists professional transmission characteristic to be fit to this professional carrier wave, if exist, then select professional transmission characteristic to be fit to the carrier wave of described business, initiate professional to UE in current area; Otherwise network side selects to exist professional transmission characteristic to be fit to the sub-district of the carrier wave of described business, and notifies UE to switch to this sub-district, initiates described business in this sub-district to UE.
In the present invention, when the professional transmission characteristic of cell carrier was set, traffic carrying capacity that should reference cell transmission all kinds business was provided with the professional transmission characteristic of cell carrier according to the traffic carrying capacity of statistics in advance.For single-carrier cell, can in proportion the carrier wave of each sub-district be divided, be provided with according to the traffic carrying capacity of all kinds business of a plurality of sub-districts.For multi-carrier district, can divide, be provided with the professional transmission characteristic of cell carrier in proportion according to the traffic carrying capacity of all kinds business in this sub-district.
To the division of cell carrier be provided with and at the beginning of the network planning, carry out, equally also can when the network operation, carry out.
Based on said method, the present invention has also proposed the corresponding call control device respectively.
Respectively described device is done further below in conjunction with specific embodiment and to be specified.
A kind of call control apparatus comprises information unit, judging unit, carrier wave selected cell and cell selecting unit, as shown in Figure 5.
By information unit 51, UE can obtain the professional transmission characteristic of the cell carrier of network side setting.After UE in the sub-district obtains the professional transmission characteristic of cell carrier, when UE initiates when professional to network side, can utilize judging unit 52, the professional transmission characteristic of the cell carrier that is provided with according to network side, judge the carrier wave that whether exists professional transmission characteristic to be fit to described business in this sub-district, if exist, then notify carrier wave selected cell 53 to select professional transmission characteristic to be fit to the carrier wave of described business; Otherwise notifying cell selected cell 54 is selected new sub-district.
Wherein, carrier wave selected cell 53 is used for selecting professional transmission characteristic to be fit to the carrier wave of described business in current area; Described cell selecting unit 54 is used to select new sub-district, and announcement information unit 51 obtains the professional transmission characteristic of new cell carrier.
Wherein, described call control apparatus can also comprise the sub-district access unit.After the professional transmission characteristic of UE by the cell carrier of information unit 51 acquisition network sides settings, can pass through the sub-district access unit, professional transmission characteristic according to cell carrier, judge and whether have the carrier wave that is fit to its professional transmission characteristic in this sub-district, if exist, then insert this sub-district, otherwise notifying cell selected cell 54 is selected new sub-district.
Above-mentioned to be UE initiate professional call control apparatus to network side, and when network side is initiated when professional to UE, the call control apparatus of network side comprises unit, judging unit, carrier wave selected cell and cell selecting unit are set, as shown in Figure 6.
By the professional transmission characteristic that unit 61 can be provided with cell carrier is set.After UE inserts the sub-district, will report the professional transmission characteristic of self to network side, network side will be initiated corresponding business to UE according to the professional transmission characteristic of UE after obtaining the professional transmission characteristic of UE.When network side is initiated when professional to UE according to the professional transmission characteristic of UE, to judge whether the current resident sub-district of this UE exists professional transmission characteristic to be fit to the carrier wave of described business by judging unit 62, if exist, then notify carrier wave selected cell 63 to select professional transmission characteristic to be fit to the carrier wave of described business, initiate professional to this UE; Otherwise notifying cell selected cell 64 selects to exist the characteristic of channel to be fit to the sub-district of the carrier wave of described business, and notifies UE to switch to this sub-district, initiates professional to UE in this sub-district.
Wherein, carrier wave selected cell 63 is used for being fit in the current resident cell selecting characteristic of channel of UE the carrier wave of described business, initiates professional to this UE; Cell selecting unit 64 is used to select to exist the characteristic of channel to be fit to the sub-district of the carrier wave of described business, and notifies UE to switch to this sub-district, initiates professional in this sub-district.
Above-described embodiment only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a calling-control method is characterized in that, comprising:
A1, initiate when professional when the user equipment (UE) in the sub-district, UE is according to the professional transmission characteristic of the cell carrier of network side setting, judge the carrier wave that whether exists professional transmission characteristic to be fit to described business in this sub-district, if exist, the carrier wave of then selecting professional transmission characteristic to be fit to described business is initiated professional; Otherwise,
A2, this UE select new sub-district, execution in step A1.
2. method according to claim 1 is characterized in that, taking a step forward in steps A 1 comprises:
B1, when UE inserts the sub-district, the professional transmission characteristic of the cell carrier that UE is provided with according to network side judges whether there is the carrier wave that is fit to its professional transmission characteristic in this sub-district, if exist, then inserts this sub-district; Otherwise,
B2, UE select new sub-district, execution in step B1.
3. method according to claim 1 and 2 is characterized in that, according to the traffic carrying capacity of all kinds business, the professional transmission characteristic of cell carrier is set in corresponding ratio.
4. method according to claim 1 and 2 is characterized in that, described professional transmission characteristic comprises: only support the characteristic of dedicated channel or only support the characteristic of shared channel.
5. a calling-control method is characterized in that, comprising:
The professional transmission characteristic of cell carrier is set;
When network side is initiated business according to the professional transmission characteristic of UE, judge whether the current resident sub-district of UE exists professional transmission characteristic to be fit to the carrier wave of described business, if exist, then select professional transmission characteristic to be fit to the carrier wave of described business, and initiate professional in current area; Otherwise, select to exist professional transmission characteristic to be fit to the sub-district of the carrier wave of described business, notice UE switches to this sub-district, and initiates professional in this sub-district.
6. method according to claim 5 is characterized in that, according to the traffic carrying capacity of all kinds business, the professional transmission characteristic of cell carrier is set in corresponding ratio.
7. method according to claim 5 is characterized in that, described professional transmission characteristic comprises: only support the characteristic of dedicated channel or only support the characteristic of shared channel.
8. a call control apparatus that adopts the described method of claim 1 is characterized in that, comprising: information unit, judging unit, carrier wave selected cell and cell selecting unit;
Described information unit is used to obtain the professional transmission characteristic of the cell carrier that network side is provided with;
Described judging unit, be used for professional transmission characteristic according to the cell carrier of network side setting, judge the carrier wave that whether exists professional transmission characteristic to be fit to described business in this sub-district, if exist, then notify the carrier wave selected cell to select professional transmission characteristic to be fit to the carrier wave of described business, and initiate professional; Otherwise the notifying cell selected cell is selected new sub-district;
Described carrier wave selected cell is used to select professional transmission characteristic to be fit to the carrier wave of described business, and initiates professional;
Described cell selecting unit is used to select new sub-district, and the announcement information unit obtains the professional transmission characteristic of new cell carrier.
9. device according to claim 8 is characterized in that, also comprises:
The sub-district access unit is used for the professional transmission characteristic according to cell carrier, judges whether there is the carrier wave that is fit to its professional transmission characteristic in this sub-district, if exist, then insert this sub-district, otherwise the notifying cell selected cell is selected new sub-district.
10. a call control apparatus that adopts the described method of claim 5 is characterized in that, comprising: unit, judging unit, carrier wave selected cell and cell selecting unit are set;
Described the professional transmission characteristic that the unit is used to be provided with cell carrier is set;
Described judging unit is used to judge whether the current resident sub-district of UE exists professional transmission characteristic to be fit to the carrier wave of described business, if exist, then notifies the carrier wave selected cell to select professional transmission characteristic to be fit to the carrier wave of described business in current area, and initiates professional; Otherwise the notifying cell selected cell selects to exist professional transmission characteristic to be fit to the sub-district of the carrier wave of described business, and notice UE switches to this sub-district, initiates professional in this sub-district;
Described carrier wave selected cell is used for being fit to the carrier wave of described business in the current resident professional transmission characteristic of cell selecting of UE, and initiates professional;
Described cell selecting unit is used to select to exist professional transmission characteristic to be fit to the sub-district of the carrier wave of described business, and notifies UE to switch to this sub-district, initiates professional in this sub-district.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNA2006101134278A CN101155391A (en) | 2006-09-27 | 2006-09-27 | Call control method and device based on the same |
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| CNA2006101134278A CN101155391A (en) | 2006-09-27 | 2006-09-27 | Call control method and device based on the same |
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| CNA2006101134278A Pending CN101155391A (en) | 2006-09-27 | 2006-09-27 | Call control method and device based on the same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011015137A1 (en) * | 2009-08-04 | 2011-02-10 | 华为技术有限公司 | Method, user equipment, access network base station and communication system for choosing carrier wave |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011015137A1 (en) * | 2009-08-04 | 2011-02-10 | 华为技术有限公司 | Method, user equipment, access network base station and communication system for choosing carrier wave |
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