CN101350696A - Method for obtaining user equipment combined holding capacity by base station - Google Patents
Method for obtaining user equipment combined holding capacity by base station Download PDFInfo
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- CN101350696A CN101350696A CNA2007101304235A CN200710130423A CN101350696A CN 101350696 A CN101350696 A CN 101350696A CN A2007101304235 A CNA2007101304235 A CN A2007101304235A CN 200710130423 A CN200710130423 A CN 200710130423A CN 101350696 A CN101350696 A CN 101350696A
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Abstract
The present invention discloses a method which is used by a base station to be informed that the user equipment supports the combination of MIMO and downlink 64QAM, and comprises the following steps: (1) a radio network controller sends signaling to the base station, and the signaling comprises the information that the user equipment of the base station supports the combination of the multi-input multi-output modulation and the modulation of integral amplitude of 64 times of the downlink; and (2) the base station receives the signaling and acquires the information from the signaling message that the user equipment supports the combination of the multi-input multi-output modulation and the modulation of integral amplitude of 64 times of the downlink. When the user equipment MIMO is activated and the base station completes the self-adapting code modulation, the modulation mode can be determined according to the capacity of the user equipment, thus guaranteeing that user equipment normally receives the data.
Description
Technical field
The present invention relates to mobile communication system high speed block access system, relate in particular to a kind of base station and know subscriber equipment MIMO (Multiple Input Multiple Output, multiple-input and multiple-output) and the method for downlink 64 QAM (64 Quadrature Amplitude Modulation, 64 integration amplitude modulation modulation) combined holding capacity.
Background technology
In the existing system technical optimization, in order to improve the throughput of user experience quality and raising system, high speed downlink packet access technology is also in continuous evolution, at present down direction introduced than 16QAM (Modulation:16 integration amplitude modulation of 16Quadrature Amplitude modulation) more the modulation system of high-order: 64QAM and MIMO transmit and receive diversity technique.Yet present agreement is mutual exclusion for the use of downlink 64 QAM and MIMO, if be the descending 64QAM modulation system of having used also, can not use MIMO; The descending MIMO that used then can not use 64QAM.Though be the ability that base station and subscriber equipment have all been supported MIMO and downlink 64 QAM simultaneously also, can not enjoy the two and use the higher throughput of being brought simultaneously.
Therefore in order to reach higher peak rate (40Mbps), present 3GPP tissue is wished and can be used the technical combinations of MIMO and downlink 64 QAM.Since being used in combination of the technology of MIMO and downlink 64 QAM is a new function, have only the terminal of supporting that MIMO and downlink 64 QAM are used in combination, just can use this technology.When subscriber equipment activates MIMO, carrying out Adaptive Modulation and Coding to subscriber equipment when selecting when the base station so, then can be according to the ability decision modulation system of subscriber equipment, the assurance subscriber equipment can normally receive data.
Because MIMO and being used in combination of downlink 64 QAM are new functions, (NBAP Node B Application Protocol, NBAP) interface does not also embody the transfer mode of this tenability to present Node B application protocol.
Summary of the invention
The invention provides a kind of base station and know the method for subscriber equipment MIMO and downlink 64 QAM combined holding capacity, to solve when subscriber equipment MIMO activates, Adaptive Modulation and Coding is being carried out when selecting in the base station to subscriber equipment, how according to the problem of the ability decision modulation system of subscriber equipment.
In order to solve the problems of the technologies described above, the invention provides a kind of method of obtaining user equipment combined holding capacity by base station, described combined holding capacity is multiple-input and multiple-output and descending 64 integration amplitude modulation combinations of modulation tenabilities, comprises the steps:
(1) radio network controller sends signaling to the base station, and described signaling comprises the tenability information of described subscriber equipment to multiple-input and multiple-output and descending 64 integration amplitude modulation combinations of modulation use of notifying;
(2) described base station receives described signaling information, obtains the tenability of subscriber equipment to multiple-input and multiple-output and descending 64 integration amplitude modulation combinations of modulation use from described signaling message.
The method of the invention, wherein, described signaling is one of following message: Radio Link is set up request message, wireless link increasing request message, wireless link reconfigured preparation message, wireless link reconfigured request message.
The method of the invention, wherein, if described subscriber equipment is supported being used in combination of multiple-input and multiple-output and descending 64 integration amplitude modulation modulation, then radio network controller is supported being used in combination of multiple-input and multiple-output and descending 64 integration amplitude modulation modulation by this subscriber equipment of described signaling base station.
The method of the invention, wherein, if described subscriber equipment is not supported being used in combination of multiple-input and multiple-output and descending 64 integration amplitude modulation modulation, then radio network controller is not supported being used in combination of multiple-input and multiple-output and descending 64 integration amplitude modulation modulation by this subscriber equipment of described signaling base station.
The method of the invention, wherein, described tenability information comprise adopt multiple-input and multiple-output and descending 64 integration amplitude modulation modulation be used in combination the tenability indication.
The method of the invention, wherein, described tenability information comprises and adopts the ability rating of subscriber equipment to represent.
The method of the invention makes when subscriber equipment MIMO activates, and the base station is carrying out can guaranteeing that subscriber equipment normally receives data according to the ability decision modulation system of subscriber equipment when Adaptive Modulation and Coding is selected to subscriber equipment.
Description of drawings
Fig. 1 be application example radio network controller of the present invention by Radio Link set up or the process of increasing informing base station subscriber equipment to the method Signalling exchange schematic flow sheet of the tenability information that is used in combination of MIMO and downlink 64 QAM;
Fig. 2 is that application example radio network controller of the present invention is by the method Signalling exchange schematic flow sheet of wireless link synchronization reprovision process informing base station subscriber equipment to the tenability information that is used in combination of MIMO and downlink 64 QAM;
Fig. 3 is that application example radio network controller of the present invention is by the method Signalling exchange schematic flow sheet of the asynchronous reprovision process of Radio Link informing base station subscriber equipment to the tenability information that is used in combination of MIMO and downlink 64 QAM.
Embodiment
Describe the present invention below in conjunction with the drawings and specific embodiments.
The embodiment of the invention comprises the steps:
1) radio network controller sends signaling to the base station, and described signaling comprises the tenability information of notifying described subscriber equipment that MIMO and downlink 64 QAM are used in combination;
2) described base station receives described signaling information, obtains the tenability that subscriber equipment is used in combination MIMO and downlink 64 QAM from described signaling message, and preserves.
In the above-mentioned steps, described signaling can be for following any: Radio Link is set up request message, wireless link increasing request message, wireless link reconfigured preparation message, wireless link reconfigured request message.
In the above-mentioned steps, if subscriber equipment is supported being used in combination of MIMO and downlink 64 QAM, then radio network controller can be supported being used in combination of MIMO and downlink 64 QAM by this subscriber equipment of informing base station in described signaling; If subscriber equipment is not supported being used in combination of MIMO and downlink 64 QAM, then radio network controller can not supported being used in combination of MIMO and downlink 64 QAM by this subscriber equipment of informing base station in described signaling.
In the above-mentioned steps, when the base station receives being used in combination of described subscriber equipment support MIMO and downlink 64 QAM, think that then this subscriber equipment has this ability.
In the above-mentioned steps, radio network controller informing base station subscriber equipment can be following any or combination to the method for expressing of the tenability information that MIMO and downlink 64 QAM are used in combination:
1. adopt independently cell to represent, described independently cell be MIMO and downlink 64 QAM be used in combination the tenability indication;
2. be embodied in the ability rating of subscriber equipment,, then have the tenability that is used in combination of MIMO and downlink 64 QAM as long as subscriber equipment has such ability rating.
As shown in Figure 1, application example radio network controller of the present invention set up by Radio Link or the process of increasing informing base station subscriber equipment to the method Signalling exchange schematic flow sheet of the tenability information that is used in combination of MIMO and downlink 64 QAM, comprise the steps:
Step 101, radio network controller sends Radio Link to the base station and sets up request or wireless link increasing request message, wherein carry the be used in combination tenability information of this subscriber equipment to MIMO and downlink 64 QAM, wherein, this tenability information adopts independently cell to represent, such as this cell value is that False (mistake) expression does not support that True (correctly) expresses support for;
Step 102, the base station obtains be used in combination tenability information and the preservation of this subscriber equipment to MIMO and downlink 64 QAM from described message, in follow-up decision, when subscriber equipment activates MIMO, if wherein independently the cell value is True, represent that then MIMO can use simultaneously with downlink 64 QAM; If wherein independently the cell value is False, represent that then MIMO cannot use simultaneously with downlink 64 QAM.And return Radio Link and set up response or Radio Link increase response message.
As shown in Figure 2, application example radio network controller of the present invention comprises the steps: by the method Signalling exchange schematic flow sheet of wireless link synchronization reprovision process informing base station subscriber equipment to the tenability information that is used in combination of MIMO and downlink 64 QAM
Step 201, radio network controller sends the wireless link synchronization reprovision to the base station and prepares message, wherein carry the be used in combination tenability information of this subscriber equipment to MIMO and downlink 64 QAM, wherein, this tenability information adopts the ability rating of subscriber equipment to represent;
Step 202, the base station obtains be used in combination tenability information and the preservation of this subscriber equipment to MIMO and downlink 64 QAM from described message, in follow-up decision, when subscriber equipment activates MIMO, the ability rating of the subscriber equipment that adopts according to this tenability information judges whether MIMO can use simultaneously with downlink 64 QAM, and returns the wireless link reconfigured message that is ready to.
As shown in Figure 3, application example radio network controller of the present invention comprises the steps: by the method Signalling exchange schematic flow sheet of the asynchronous reprovision process of Radio Link informing base station subscriber equipment to the tenability information that is used in combination of MIMO and downlink 64 QAM
Step 301, radio network controller sends wireless link reconfigured request to the base station, wherein carry the be used in combination tenability information of this subscriber equipment to MIMO and downlink 64 QAM, wherein, this tenability information adopts the ability rating of subscriber equipment or the tenability indication that is used in combination of MIMO and downlink 64 QAM to represent;
Step 302, the base station obtains be used in combination tenability information and the preservation of this subscriber equipment to MIMO and downlink 64 QAM from described message, in follow-up decision, when subscriber equipment activates MIMO, if the tenability indication that is used in combination of the ability rating of subscriber equipment and MIMO or downlink 64 QAM represents that all MIMO can use simultaneously with downlink 64 QAM, then can, otherwise, not all right.And return wireless link reconfigured response message.
The method of the invention is not restricted to listed utilization in specification and the execution mode.Concerning the technology of the present invention those of ordinary skill in the field, can make various corresponding changes and distortion according to the present invention, and all these corresponding changes and distortion all belong to the protection range of claim of the present invention.
Claims (6)
1, a kind of method of obtaining user equipment combined holding capacity by base station, described combined holding capacity are multiple-input and multiple-output and descending 64 integration amplitude modulation combinations of modulation tenabilities, it is characterized in that described method comprises the steps:
(1) radio network controller sends signaling to the base station, and described signaling comprises the tenability information of described subscriber equipment to multiple-input and multiple-output and descending 64 integration amplitude modulation combinations of modulation use of notifying;
(2) described base station receives described signaling information, obtains the tenability of subscriber equipment to multiple-input and multiple-output and descending 64 integration amplitude modulation combinations of modulation use from described signaling message.
2, method according to claim 1, it is characterized in that described signaling is one of following message: Radio Link is set up request message, wireless link increasing request message, wireless link reconfigured preparation message, wireless link reconfigured request message.
3, method according to claim 1, it is characterized in that, if described subscriber equipment is supported being used in combination of multiple-input and multiple-output and descending 64 integration amplitude modulation modulation, then radio network controller is supported being used in combination of multiple-input and multiple-output and descending 64 integration amplitude modulation modulation by this subscriber equipment of described signaling base station.
4, method according to claim 1, it is characterized in that, if described subscriber equipment is not supported being used in combination of multiple-input and multiple-output and descending 64 integration amplitude modulation modulation, then radio network controller is not supported being used in combination of multiple-input and multiple-output and descending 64 integration amplitude modulation modulation by this subscriber equipment of described signaling base station.
5, method according to claim 1 is characterized in that, described tenability information comprise adopt multiple-input and multiple-output and descending 64 integration amplitude modulation modulation be used in combination the tenability indication.
6, method according to claim 1 is characterized in that, described tenability information comprises and adopts the ability rating of subscriber equipment to represent.
Priority Applications (1)
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CNA2007101304235A CN101350696A (en) | 2007-07-18 | 2007-07-18 | Method for obtaining user equipment combined holding capacity by base station |
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CNA2007101304235A CN101350696A (en) | 2007-07-18 | 2007-07-18 | Method for obtaining user equipment combined holding capacity by base station |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010148979A1 (en) * | 2009-12-24 | 2010-12-29 | 中兴通讯股份有限公司 | Method and system for informing about multi-user multi-input multi-output capability of terminal |
CN113891390A (en) * | 2016-03-28 | 2022-01-04 | 松下电器(美国)知识产权公司 | Terminal, base station and codec mode switching method |
-
2007
- 2007-07-18 CN CNA2007101304235A patent/CN101350696A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010148979A1 (en) * | 2009-12-24 | 2010-12-29 | 中兴通讯股份有限公司 | Method and system for informing about multi-user multi-input multi-output capability of terminal |
CN113891390A (en) * | 2016-03-28 | 2022-01-04 | 松下电器(美国)知识产权公司 | Terminal, base station and codec mode switching method |
CN113891390B (en) * | 2016-03-28 | 2023-09-22 | 松下电器(美国)知识产权公司 | Terminal, base station and codec mode switching method |
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Application publication date: 20090121 |