CN102056085A - Method and system for acquiring capability of IMB technology by wireless network controller - Google Patents
Method and system for acquiring capability of IMB technology by wireless network controller Download PDFInfo
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- CN102056085A CN102056085A CN2009102368411A CN200910236841A CN102056085A CN 102056085 A CN102056085 A CN 102056085A CN 2009102368411 A CN2009102368411 A CN 2009102368411A CN 200910236841 A CN200910236841 A CN 200910236841A CN 102056085 A CN102056085 A CN 102056085A
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Abstract
The invention provides a method and a system for acquiring the capability of integrated mobile broadcast (IMB) technology by a wireless network controller. According to the invention, due to information interaction between a base station and the wireless network controller, the wireless network controller acquires sustaining power information from a cell charged by the base station to the IMB technology. The method ensures that an access network side acquires support capability of the IMB technology from the base station, guarantees that a correct decision whether to use the IMB technology is made, and is favorable for saving frequency resources.
Description
Technical field
The present invention relates to multimedia broadcast/group broadcast service (MBMS, Multimedia Broadcast/MulticastService) technology, refer to that especially a kind of radio network controller obtains the method and system of IMB technical capability.
Background technology
MBMS is a kind of shared network resource transmits data to a plurality of targets from a data source a technology.In traditional mobile network, cell broadcaste service allows low bit rate data to send to all users by district common channel, and these data belong to information series business, have only short message service to belong to cell broadcaste service in R99.Traditional multicast service allows the signatory person of moving of this business to receive, but should business not allow a plurality of contracted users to share the resource of wireless side and core net, that is to say, N user when synchronization receives same data content, wireless network side need be distributed the wired and Radio Resource of N cover for it, from the resource utilization angle, this situation is wasted the use of resource very much.In order to effectively utilize wired and Radio Resource, third generation partner program (3GPP) has proposed the MBMS technology in R6, the characteristics of MBMS technology are: the multimedia broadcast/group broadcast service that the Iu interface connects for a plurality of users only needs the wired resource bearing of a cover, promptly sends once to get final product; Eat dishes without rice or wine to adopt auxiliary public physic channel and DPCH to transmit, these two kinds of physical channel carryings can be changed according to number of users, if adopt auxiliary public physic channel transmission, also be multiple users share one cover Radio Resource, avoid the waste of interface-free resources.
Because only need the downstream frequency resource for putting the MBMS business that multiple spot (PTM) mode sends, if adopt Frequency Division Duplexing (FDD) (FDD) mode, the upstream frequency resource is wasted.Therefore, adopt integrated mobile broadcast (IMB, Integrated Mobile Broadcast) mode among the Release 8 of 3GPP standard and adopt the frequency range of time division duplex (TDD) to send the MBMS business, to save frequency resource.
For the sub-district of adopting the IMB mode, than the common sub-district of FDD, its physical channel has following difference:
1) introduced new physical channel: time division multiplexing Common Pilot Channel (T-CPICH, Time-multiplexed Common Pilot Channel).The T-CPICH channel adopts the physical channel of the SF16 spread spectrum of 16 quadrature amplitude modulation (16QAM) mode to form by 15, respectively auxiliary publish control physical channel type 2 (S-CCPCH Type2) channel of 15 strip adoption SF16 spread spectrums in the respective cell.That is to say, separation structure when T-CPICH and S-CCPCH Type2 constitute, user terminal (UE) can be with the T-CPICH channel as the phase reference of S-CCPCH Type2 channel and be used for channel estimating, thereby improve receiver performance, to support time delay expansion bigger in multicast/multicast single-frequency network network (MBSFN, MBMS over a Single FrequencyNetwork) zone.
2) Primary Synchronisation Code and the new generating mode of secondary synchronization code utilization that are adopted of synchronizing channel (SCH, Synchronization channel) is used to distinguish common FDD sub-district and IMB sub-district.
3) S-CCPCH has defined new time slot format, and can use the modulation of quarternary phase-shift keying (QPSK) signal (QPSK) and two kinds of modulation systems of 16QAM, and speed has obtained promoting greatly.
At present, 3 FDD processes are adopted in the foundation for public physic channel in the agreement:
(1) process of setting up by the sub-district is set up Primary Common Pilot Channel (P-CPICH), Supplemental Channel (SCH, Supplemental Channel), secondary common pilot channel physical channels such as (S-CPICH);
(2) process of setting up by Common transport channel is set up S-CCPCH and Physical Random Access Channel (PRACH, physical random access channel) etc. physical channel is set up H-DSCH and is strengthened the relevant shared physical channel of dedicated channel (E-DCH) by the Physical Shared Channel reconfiguration course;
For the sub-district of IMB mode, introduced new physical channel, even the channel type that has is identical, also former already present channel is changed, therefore, utilizing present existing base station is the process of setting up that can not realize above-mentioned channel.In other words, also be that the IMB ability must also will be supported in the base station, radio network controller could be set up the IMB sub-district of the MBMS business that is used to send the IMB mode.That is to say,, supported the cooperation of the base station of IMB technology only equally, can normally use the function of IMB technology for the terminal of supporting the IMB technology.When whether the Access Network side uses the IMB technology in decision-making, need to distinguish the base station and whether can use the IMB technology, so that make a policy accurately.
And according to present agreement, the Access Network side does not know whether the base station supports the IMB technical capability, therefore, and can not to whether using the IMB technology to make decision-making accurately, be not easy to utilizing the IMB mode to send the applying of technology of MBMS business, thereby be unfavorable for saving frequency resource.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of radio network controller to obtain the method for IMB technical capability, can guarantee that the Access Network side obtains base station IMB technical capability,, help saving frequency resource to whether using the IMB technology to make decision-making accurately.
Another object of the present invention is to provide a kind of radio network controller to obtain the system of IMB technical capability, can guarantee that the Access Network side obtains base station IMB technical capability,, help saving frequency resource to whether using the IMB technology to make decision-making accurately.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of radio network controller obtains the method for IMB technical capability, comprising:
Carry out information interaction between base station and radio network controller, radio network controller obtains the tenability information to integrated mobile broadcast IMB technology of sub-district that the base station is administered.
Carrying out information interaction between described base station and radio network controller is:
Described radio network controller is initiated request to the base station, and the base station reports the tenability information to the IMB technology of the sub-district of administering; Perhaps,
When described base station changes in the ability of the support IMB of administration sub-district technology, the ability information of active after radio network controller reports the variation of respective cell; Perhaps,
Sub-district that described base station is administered never exists and becomes when existing, and initiatively reports respective cell whether to support the capability indication information of IMB technology to radio network controller.
Carrying out information interaction between described base station and radio network controller is:
Described radio network controller sends audit request information to the base station, described base station is carried the IMB technology support capability information of described sub-district and is returned to radio network controller in the audit response message according to the tenability of the sub-district under its administration to the IMB technology;
If the IMB technology is supported in described sub-district, then the IMB technology support capability information is for supporting the IMB technology; If the IMB technology is not supported in described sub-district, then the IMB technology support capability information is not for supporting the IMB technology.
Carrying out information interaction between described base station and radio network controller is:
When the already present sub-district of described base station monitors under its administration supports that the ability of IMB technology changes, in the resource status Indication message, carry the IMB technology support capability information after the described cell change, and send the resource status Indication message to described radio network controller;
If the ability of the support IMB technology of described sub-district becomes the IMB technology of supporting, then the IMB technology support capability information is for supporting the IMB technology; If the ability of the support IMB technology of described sub-district becomes the IMB technology of not supporting, then the IMB technology support capability information is not for supporting the IMB technology.
Between described base station and radio network controller by being alternately:
When never existing, the sub-district of base station monitors under its administration become when existing, in the resource status Indication message, carry the IMB capabilities of technical support indication information of described sub-district, be used to indicate the IMB technology support capability information of the described sub-district that changes, and send the resource status Indication message to radio network controller.
If the IMB technology is supported in described sub-district, then the IMB technology support capability information is for supporting the IMB technology; If the IMB technology is not supported in described sub-district, then the IMB technology support capability information is not for supporting the IMB technology.
A kind of radio network controller obtains the system of IMB technical capability, comprises base station and radio network controller at least, wherein,
The base station, be used for and radio network controller between carry out information interaction, the tenability information to the IMB technology of administration sub-district is sent to radio network controller;
Radio network controller, be used for and the base station between carry out information interaction, obtain the tenability information to the IMB technology of sub-district that the base station is administered.
Described base station comprises reporting module, is used to receive the IMB capabilities of technical support request from described radio network controller, and the IMB technology support capability information of administration sub-district is sent to described radio network controller.
The base station comprises reporting module and monitoring modular, wherein,
Monitoring modular is used for when the ability of the support IMB technology that monitors sub-district that the base station is administered changes, and when perhaps sub-district that the base station is administered never exists the ability of IMB technology to become the ability that has the IMB technology, sends notice to reporting module;
Reporting module after being used to receive notice, reports the change information or the expression of the IMB capabilities of technical support of respective cell whether to support the capability indication information of IMB technology to radio network controller.
Described radio network controller comprises request/acquisition module, is used for sending the request of the IMB capabilities of technical support to described base station, receives the IMB technology support capability information from the base station, and the IMB technology support capability information that obtains is exported to processing module.
Described radio network controller comprises request/acquisition module, is used to receive the IMB technology support capability information from the base station, and the IMB technology support capability information that obtains is exported to processing module.
The technical scheme that provides from the invention described above as can be seen, by information interaction, radio network controller has obtained the tenability information to the IMB technology of sub-district that the base station is administered between base station and radio network controller.By the inventive method, guaranteed that the Access Network side has obtained base station IMB technical capability, guaranteed to help saving to frequency resource to whether using the IMB technology to make decision-making accurately.
Description of drawings
Fig. 1 obtains the flow chart of the method for IMB technical capability for radio network controller of the present invention;
Fig. 2 forms structural representation for the system that radio network controller of the present invention obtains the IMB technical capability;
Fig. 3 obtains the schematic flow sheet of first embodiment of base station IMB technical capability for the present invention;
Fig. 4 obtains the schematic flow sheet of second embodiment of base station IMB technical capability for the present invention;
Fig. 5 obtains the schematic flow sheet of the 3rd embodiment of base station IMB technical capability for the present invention.
Embodiment
Fig. 1 as shown in Figure 1, comprising for radio network controller of the present invention obtains the flow chart of the method for IMB technical capability:
Step 100: carry out information interaction between base station and radio network controller.
In this step, can be that radio network controller is initiated request by information interaction between base station and radio network controller, the base station reports the tenability information to the IMB technology of the sub-district of administering; Also can be that the base station is when the ability of the support IMB of administration sub-district technology changes, perhaps sub-district that the base station is administered never exists and becomes when existing, and initiatively reports the change information of the IMB capabilities of technical support of respective cell or the capability indication information whether expression supports the IMB technology to radio network controller.
Step 101: radio network controller obtains the tenability information to the IMB technology of sub-district that the base station is administered.
Utilize the inventive method, radio network controller can adopt the IMB mode to send the MBMS business to the sub-district of supporting the IMB technology, and specific implementation belongs to prior art, can repeat no more here referring to relevant criterion.
System at the inventive method also provides a kind of radio network controller to obtain the IMB technical capability as shown in Figure 2, comprises base station and radio network controller at least, wherein,
The base station, be used for and radio network controller between carry out information interaction, the tenability information to the IMB technology of administration sub-district is sent to radio network controller.
Radio network controller, be used for and the base station between carry out information interaction, obtain the tenability information to the IMB technology of sub-district that the base station is administered.
Wherein, the base station comprises reporting module, is used to receive the IMB capabilities of technical support request from radio network controller, and the IMB technology support capability information of administration sub-district is sent to radio network controller.
Perhaps, the base station comprises reporting module and monitoring modular, wherein,
Monitoring modular is used for when the ability of the support IMB technology that monitors sub-district that the base station is administered changes, and when perhaps sub-district that the base station is administered never exists the ability of IMB technology to become the ability that has the IMB technology, sends notice to reporting module;
Reporting module after being used to receive notice, reports the change information or the expression of the IMB capabilities of technical support of respective cell whether to support the capability indication information of IMB technology to radio network controller.
Radio network controller comprises request/acquisition module, is used for sending the request of the IMB capabilities of technical support to the base station, receives the IMB technology support capability information from the base station, and preserves the IMB technology support capability information that obtains; Perhaps, be used to receive IMB technology support capability information, and preserve the IMB technology support capability information that obtains from the base station.
Below in conjunction with passing through information interaction between base station and radio network controller in the specific embodiment detailed description step 100, obtain the implementation of base station IMB technical capability.
Fig. 3 obtains the schematic flow sheet of first embodiment of base station IMB technical capability for the present invention, and first embodiment adopts radio network controller requirement base station to report sub-district under its administration to the mode of the tenability information of IMB technology, as shown in Figure 3, comprising:
Step 300: radio network controller sends audit request information to the base station.
Step 301: after the base station receives audit request information, according to the tenability of the sub-district under its administration, in the audit response message, carry the IMB technology support capability information of described sub-district, and return the audit response message to radio network controller to the IMB technology.
If the IMB technology is supported in the sub-district, then the IMB technology support capability information is for supporting the IMB technology; If the IMB technology is not supported in the sub-district, then the IMB technology support capability information is not for supporting the IMB technology.
Step 302: radio network controller obtains the tenability information and the preservation of the IMB technology of the sub-district under the administration of base station from the audit response message.
Fig. 4 obtains the schematic flow sheet of second embodiment of base station IMB technical capability for the present invention, and second embodiment adopts by the base station initiatively to the mode of radio network controller reporting ability information, as shown in Figure 4, comprising:
Step 400～step 401: when the already present sub-district of base station monitors under its administration supports that the ability of IMB technology changes, in the resource status Indication message, carry the IMB technology support capability information after the described cell change, and send the resource status Indication message to radio network controller.
Base station monitors changes to be meant when originally to be to support the IMB technology to become the IMB technology of not supporting to the cell ability under its administration, perhaps originally supports the IMB technology for not supporting the IMB technology to become.If become the IMB technology of supporting, then feedback is supported the IMB technology in the resource status Indication message; If become the IMB technology of not supporting, then feedback is not supported the IMB technology in the resource status Indication message.
Step 402: radio network controller obtains the tenability change information and the preservation of the IMB technology of related cell from the resource status Indication message.
Fig. 5 obtains the schematic flow sheet of the 3rd embodiment of base station IMB technical capability for the present invention, and the 3rd embodiment adopts by the base station initiatively to the mode of radio network controller reporting ability information, as shown in Figure 5, comprising:
Step 500～step 501: become when existing when the sub-district of base station monitors under its administration never exists, in the resource status Indication message, carry the IMB capabilities of technical support indication information of described sub-district, be used to indicate the IMB technology support capability information of the described sub-district that changes, and send the resource status Indication message to radio network controller.
Step 502: the capability indication information that radio network controller carries from the resource status Indication message, the tenability information and the preservation of obtaining the IMB technology of related cell.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a radio network controller obtains the method for IMB technical capability, it is characterized in that, comprising:
Carry out information interaction between base station and radio network controller, radio network controller obtains the tenability information to integrated mobile broadcast IMB technology of sub-district that the base station is administered.
2. method according to claim 1 is characterized in that, carries out information interaction between described base station and radio network controller to be:
Described radio network controller is initiated request to the base station, and the base station reports the tenability information to the IMB technology of the sub-district of administering; Perhaps,
When described base station changes in the ability of the support IMB of administration sub-district technology, the ability information of active after radio network controller reports the variation of respective cell; Perhaps,
Sub-district that described base station is administered never exists and becomes when existing, and initiatively reports respective cell whether to support the capability indication information of IMB technology to radio network controller.
3. method according to claim 1 and 2 is characterized in that, carries out information interaction between described base station and radio network controller to be:
Described radio network controller sends audit request information to the base station, described base station is carried the IMB technology support capability information of described sub-district and is returned to radio network controller in the audit response message according to the tenability of the sub-district under its administration to the IMB technology;
If the IMB technology is supported in described sub-district, then the IMB technology support capability information is for supporting the IMB technology; If the IMB technology is not supported in described sub-district, then the IMB technology support capability information is not for supporting the IMB technology.
4. method according to claim 1 and 2 is characterized in that, carries out information interaction between described base station and radio network controller to be:
When the already present sub-district of described base station monitors under its administration supports that the ability of IMB technology changes, in the resource status Indication message, carry the IMB technology support capability information after the described cell change, and send the resource status Indication message to described radio network controller;
If the ability of the support IMB technology of described sub-district becomes the IMB technology of supporting, then the IMB technology support capability information is for supporting the IMB technology; If the ability of the support IMB technology of described sub-district becomes the IMB technology of not supporting, then the IMB technology support capability information is not for supporting the IMB technology.
5. method according to claim 1 and 2 is characterized in that, between described base station and radio network controller by being alternately:
When never existing, the sub-district of base station monitors under its administration become when existing, in the resource status Indication message, carry the IMB capabilities of technical support indication information of described sub-district, be used to indicate the IMB technology support capability information of the described sub-district that changes, and send the resource status Indication message to radio network controller.
If the IMB technology is supported in described sub-district, then the IMB technology support capability information is for supporting the IMB technology; If the IMB technology is not supported in described sub-district, then the IMB technology support capability information is not for supporting the IMB technology.
6. a radio network controller obtains the system of IMB technical capability, it is characterized in that, comprises base station and radio network controller at least, wherein,
The base station, be used for and radio network controller between carry out information interaction, the tenability information to the IMB technology of administration sub-district is sent to radio network controller;
Radio network controller, be used for and the base station between carry out information interaction, obtain the tenability information to the IMB technology of sub-district that the base station is administered.
7. system according to claim 6, it is characterized in that, described base station comprises reporting module, is used to receive the IMB capabilities of technical support request from described radio network controller, and the IMB technology support capability information of administration sub-district is sent to described radio network controller.
8. system according to claim 6 is characterized in that the base station comprises reporting module and monitoring modular, wherein,
Monitoring modular is used for when the ability of the support IMB technology that monitors sub-district that the base station is administered changes, and when perhaps sub-district that the base station is administered never exists the ability of IMB technology to become the ability that has the IMB technology, sends notice to reporting module;
Reporting module after being used to receive notice, reports the change information or the expression of the IMB capabilities of technical support of respective cell whether to support the capability indication information of IMB technology to radio network controller.
9. according to claim 6 or 7 described systems, it is characterized in that, described radio network controller comprises request/acquisition module, be used for sending the request of the IMB capabilities of technical support to described base station, reception is from the IMB technology support capability information of base station, and the IMB technology support capability information that obtains is exported to processing module.
10. according to claim 6 or 8 described systems, it is characterized in that, described radio network controller comprises request/acquisition module, is used to receive the IMB technology support capability information from the base station, and the IMB technology support capability information that obtains is exported to processing module.
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Application publication date: 20110511 |