CN101965056B - Method for reallocating resources - Google Patents
Method for reallocating resources Download PDFInfo
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- CN101965056B CN101965056B CN200910089768.XA CN200910089768A CN101965056B CN 101965056 B CN101965056 B CN 101965056B CN 200910089768 A CN200910089768 A CN 200910089768A CN 101965056 B CN101965056 B CN 101965056B
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Abstract
The invention discloses a method for reallocating resources. The method comprises the following steps that: a node base (NodeB) performs strong channel detection on user equipment (UE) and reports the obtained strong channel information of the UE to a radio network controller (RNC); and the RNC reallocates the resources for the UE according to the strong channel information of the UE reported by the NodeB. By the method, dedicated physical channel (DPCH) space division can be realized so as to improve carrier capacity and service quality; and a cell can be formed by performing path combination on a radio remote unit (RRU) with capacity of supporting different frequency bands.
Description
Technical field
The present invention relates to the mobile communication technology field, particularly a kind of method of carrying out the resource reprovision.
Background technology
At present, the number of users that high speed downlink packet access (HSDPA) carrier wave can carry is limited to up-downgoing and follows channel, and for simple HSDPA carrier wave, its number of users that can carry especially is limited to the up channel of following.Because in this case, up follow channel not only carrier signaling also carry the high-rise feedback informations such as ACK.
The number of users that can serve in order to improve the HSDPA carrier wave, the mode that prior art has adopted up-downgoing to follow channel frame to divide.But, follow channel frame to divide and will cause channel speed to reduce, and the too low throughput that will affect user's downlink business of user uplink service rate, therefore, the up channel of following can not support the high power frame to divide.In addition, no matter uply follow channel high power frequency division or the descending channel high power frame of following divides, all can affect the receptivity of physical layer, and will increase business and signaling time delay, cause quality of service to reduce.
Visible, have now and follow channel to carry out the method that frame divides to up-downgoing, can't effectively improve the number of users that the HSDPA carrier wave can be served, also can't guarantee higher quality of service.
The problems referred to above exist too on the R4 Traffic Channel, cause the single carrier user capacity of existing R4 Traffic Channel effectively to be improved.
In addition, TD-SCDMA all runs on the B frequency range at present, and still, along with further developing of TD-SCDMA, A frequency range and C frequency range also will be used gradually, and when the time comes, the A/B/C frequency range will exist jointly.The frequency range that each path (path) RF remote unit (RRU) is supported may be different.In prior art, radio network controller (RNC) can't be distinguished path, can't know the frequency range ability that each path RRU supports, can not adjust according to the change of path the frequency allocation of UE, therefore, prior art, when carrying out indoor path merging, requires each path RRU to support identical frequency range ability, and this has just limited the range of application that path merges greatly.For example: suppose that a path only supports the B frequency range, another path supports A frequency range, B frequency range and C frequency range.If these two path are merged into to the Yi Ge community, when UE moves between these two path, if the space isolation between two path better just may cause the UE call drop.
In sum, also there is the space of further improvement in above-mentioned prior art aspect resource utilization and resource distribution reasonability.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method of carrying out the resource reprovision, the reasonability of distributing with efficiency and the resource of the raising utilization of resources.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
A kind of method of carrying out the resource reprovision comprises:
A, B node NodeB carry out strong passage detection to user equipment (UE), and the strong channel information of resulting UE is reported to radio network controller (RNC);
The strong channel information of the UE that B, RNC report according to NodeB carries out the resource reprovision to UE.
Preferably, described B comprises: the strong channel information of the UE that RNC reports according to NodeB, and channel isolation is met to pre-conditioned UE and be assigned on identical physical resource, realize the sky of described physical resource is divided.
Preferably, NodeB described in A carries out strong passage to UE and detects and can comprise:
RNC carries out respectively channel resource allocation to signaling and business when for UE, distributing uplink channel resources, and, when being UE assignment signalling channel resource, will carrying out frame for the DPCH DPCH of carrier signaling between a plurality of UE and divide multiplexing;
NodeB, by the described DPCH for carrier signaling is detected, obtains the strong channel information of UE.
Preferably, NodeB described in A carries out strong passage to UE and detects and can comprise:
RNC distributes a up channel that is exclusively used in the little speed of carrying out strong passage detection, described up channel is carried out between a plurality of UE to frame and divides multiplexing;
Described a plurality of UE sends special burst on described up channel;
NodeB, by described up channel is detected, obtains the strong channel information of UE.
Preferably, NodeB described in A carries out strong passage to UE and detects and can comprise:
UE adopts idle midamble code to send customizing messages;
NodeB is detected by the midamble code to the described free time, obtains the strong channel information of UE.
Described in B, channel isolation being met to pre-conditioned UE is assigned on identical physical resource and can is:
B1, RNC will be for the DPCH that carry uplink service, for the DPCH of bearing downlink business with for the DPCH of bearing downlink signaling, at channel isolation, meet between pre-conditioned UE and carry out space division multiplexing.
Described in B, channel isolation being met to pre-conditioned UE is assigned on identical physical resource and can is:
B2, RNC will be for the DPCH that carry uplink service, for the DPCH that carries up signaling, for the DPCH of bearing downlink business with for the DPCH of bearing downlink signaling, at channel isolation, meet between pre-conditioned UE and carry out space division multiplexing.
Described B2 can be:
RNC will form CCTrCH Coded Composite Transport Channel CCTRCH for the DPCH that carries uplink service with for the DPCH that carries up signaling, at channel isolation, meet between pre-conditioned UE and will carry out space division multiplexing; To form CCTRCH for the DPCH of bearing downlink business with for the DPCH of bearing downlink signaling, and at channel isolation, meet between pre-conditioned UE and carry out space division multiplexing.
While in the process of distributing in resource, occurring that UE need to send a plurality of up channel simultaneously, the method may further include:
If more than one of the ascending time slot quantity in frame, RNC is by the distribution of staggering on described ascending time slot of a plurality of up channels of described UE, or the conducting frame timesharing does not send a plurality of up channels of described UE the distribution of staggering of a plurality of up channels of described UE at one time;
If an ascending time slot is only arranged in a frame, NodeB carries out scheduling controlling to described UE, makes described UE not send High-Speed Shared Control Channel HS-SICH in identical frame.
Preferably, described B can comprise: the strong channel information of the UE that RNC reports according to NodeB judges whether the strong passage of UE changes, when the strong passage before strong passage changes and changes and the RF remote unit RRU of strong passage different frequency range ability by support after changing provide and serve, on the frequency range that the corresponding RRU of strong passage by described UE reprovision after change supports.
As seen from the above technical solution, the inventive method can realize that up-downgoing follows the sky of channel to divide, indoor, user in the good floor of channel isolation can distribute identical physical resource to keep company with channel, like this, the supported HSDPA number of users of single carrier depends on follows channel frame to divide coefficient and attainable sky to divide multiple, at identical frame, divide under coefficient, can carry the number of users of empty minute times several times, when not needing to carry too much number of users, can adjust frame and divide coefficient, increase the single assignable speed of channel of following, reach and improve uplink service speed, reduce the purpose of up-downgoing signaling time delay.
By above-mentioned analysis, if empty minute situation is better, by following channel empty minute, also may meet the needs of number of users under the time slot configuration of 1: 5, in conjunction with PDSCH sky minute, can improve to a greater extent throughput and user's peak rate of Traffic Channel.
Apply the present invention to follow channel empty minute, can improve the number of users that the HSDPA carrier wave can carry, and improve user's upstream rate, thereby quality of service is improved.Apply the present invention to the R4 Traffic Channel empty minute, can improve the capacity of R4 carrier wave, and increase the service concurrence number of users.Strong passage detection of the present invention and RNC are carried out to reprovision based on strong channel information and strong channel change information to the resource in community, can improve the flexibility of networking, frequency configuration.
The accompanying drawing explanation
Fig. 1 is the method flow schematic diagram that the present invention carries out the resource reprovision.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, referring to the accompanying drawing embodiment that develops simultaneously, the present invention is described in further detail.
Main thought of the present invention is: by UE being carried out to strong passage detection, and carry out the resource reprovision by RNC according to the strong channel information of UE in community, thereby, on the one hand, user's space division multiplexing that realization meets the demands channel isolation, to identical physical resource, improves user capacity and the quality of service of system; On the other hand, realize that between the RRU that supports the different frequency range ability path merges.
Below in conjunction with accompanying drawing, the inventive method is elaborated.
Fig. 1 is the method flow schematic diagram that the present invention carries out the resource reprovision.Referring to Fig. 1, the method comprises:
Step 101:NodeB carries out strong passage detection to user equipment (UE), and the strong channel information of resulting UE is reported to RNC.
The invention provides multiplely for carrying out the method for strong passage detection, illustrate as follows:
First method:
RNC carries out respectively channel resource allocation to signaling and business when for UE, distributing uplink channel resources, and, when being UE assignment signalling channel resource, will carrying out frame between a plurality of UE for the DPCH (DPCH) of carrier signaling and divide multiplexing;
NodeB, by the DPCH for carrier signaling is detected to this, obtains the strong channel information of UE.
Second method:
RNC distributes a up channel that is exclusively used in the little speed of carrying out strong passage detection, this up channel is carried out between a plurality of UE to frame and divides multiplexing;
Described a plurality of UE sends special burst (special burst) on this up channel;
NodeB, by this up channel is detected, obtains the strong channel information of UE.
The third method:
UE adopts idle midamble code to send customizing messages;
NodeB is detected by the midamble code to idle, obtains the strong channel information of UE.
The strong channel information of the UE that step 102:RNC reports according to NodeB carries out the resource reprovision to UE.
After RNC obtains the strong channel information of UE, user's space division multiplexing that can channel isolation be satisfied condition according to this strong channel information is to identical physical resource, solve the contradiction between HSDPA number of users and quality of service in prior art, and the problem that faces of R4 business; Also can determine whether the strong passage of UE changes according to this strong channel information, and in time UE is carried out to the intra-cell resource reprovision when the strong passage of UE changes, to prevent the UE call drop.Particularly:
One, utilize the strong channel information of UE to carry out space division multiplexing
Three kinds are provided in above-mentioned steps 101 for carrying out the method for strong passage detection.
Wherein, first method is that the up signaling DPCH to UE carries out frame and divides, and carries out strong passage detection with the strong channel information that obtains UE according to this up signaling DPCH.Because having carried out frame, divides up signaling DPCH, therefore, adopt the strong channel information of the resulting UE of the method to can be used for RNC uplink service DPCH, downlink business DPCH and downlink signaling DPCH carried out to space division multiplexing, that is: RNC will be for the DPCH that carries uplink service, meet between pre-conditioned UE and carry out space division multiplexing at channel isolation for the DPCH of bearing downlink business with for the DPCH of bearing downlink signaling.
What be different from above-mentioned first method is, adopt the second and the resulting strong channel information of the third method to can be used for RNC uplink service DPCH, up signaling DPCH, downlink business DPCH and downlink signaling DPCH carried out to space division multiplexing, that is: RNC will be for the DPCH that carries uplink service, for the DPHC that carries up signaling, meet between pre-conditioned UE and carry out space division multiplexing at channel isolation for the DPCH of bearing downlink business with for the DPCH of bearing downlink signaling.And the up-downgoing signaling can form CCTrCH Coded Composite Transport Channel (CCTRCH) and carry out sky minute together with business.That is: RNC will form CCTRCH for the DPCH that carries uplink service with for the DPCH that carries up signaling, at channel isolation, meet between pre-conditioned UE and will carry out space division multiplexing; To form CCTRCH for the DPCH of bearing downlink business with for the DPCH of bearing downlink signaling, and at channel isolation, meet between pre-conditioned UE and carry out space division multiplexing.
It is to be noted: the described second method of step 101 has been introduced a new up channel, in the situation that UE carries out the R4 business is no problem, but, when UE carries out the HSDPA business, consider that UE also needs to send High-Speed Shared Control Channel (HS-SICH), at this moment, if unreasonable distribution may occur that UE need to support the situation of three up channels simultaneously.Because the disposal ability of current UE is limited, this needs RNC to divide at time slot or frame the distribution of staggering when Resources allocation, that is: RNC is by the distribution of staggering on ascending time slot of a plurality of up channels of UE, or the conducting frame timesharing does not send a plurality of up channels of this UE the distribution of staggering of a plurality of up channels of UE at one time.Under worst case, for example: time slot was configured according to 1: 5, an ascending time slot is only arranged in a frame, up all channels all send in a time slot, now, NodeB need to consider the distribution condition of UE ascending resource when scheduling, if two resources that RNC distributes bump against in time, NodeB need to pass through scheduling controlling, guarantees that UE does not send HS-SICH in same number of frames.
While two, realizing that between the RRU that supports the different frequency range ability path merges, utilize the strong channel information of UE to prevent the UE call drop
The strong channel information of the UE that RNC reports according to NodeB judges whether the strong passage of UE changes, when the strong passage before strong passage changes and changes and the RF remote unit RRU of strong passage different frequency range ability by support after changing provide and serve, on the frequency range that the corresponding RRU of strong passage by described UE reprovision after change supports.Here, RNC can incorporation engineering information determine the frequency range ability that each path RRU supports.So, can prevent the UE call drop, thereby can allow, support single path RRU or many path RRU of different frequency range ability to carry out the path merging, form the Yi Ge community.
What deserves to be explained is: when the strong channel information that utilizes UE realizes that path merges, might not take the method that step 101 of the present invention provides to carry out strong passage detection, as long as UE possesses special uplink channel, can carry out strong passage detection, and obtain the strong channel information of UE.
So far, finish the method that the present invention carries out the resource reprovision.
Belong to prior art because whether the channel isolation about how judging passage meets correlation technique pre-conditioned and that how physical resource is carried out to space division multiplexing, therefore, the present invention repeats no more this.
As seen from the above technical solution, the inventive method can realize that up-downgoing follows the sky of channel to divide, indoor, user in the good floor of channel isolation can distribute identical physical resource to keep company with channel, like this, the supported HSDPA number of users of single carrier depends on follows channel frame to divide coefficient and attainable sky to divide multiple, at identical frame, divide under coefficient, can carry the number of users of empty minute times several times, when not needing to carry too much number of users, can adjust frame and divide coefficient, increase the single assignable speed of channel of following, reach and improve uplink service speed, reduce the purpose of up-downgoing signaling time delay.
By above-mentioned analysis, if empty minute situation is better, by following channel empty minute, also may meet the needs of number of users under the time slot configuration of 1: 5, in conjunction with PDSCH sky minute, can improve to a greater extent throughput and user's peak rate of Traffic Channel.
Apply the present invention to follow channel empty minute, can improve the number of users that the HSDPA carrier wave can carry, and improve user's upstream rate, thereby quality of service is improved.Apply the present invention to the R4 Traffic Channel empty minute, can improve the capacity of R4 carrier wave, and increase the service concurrence number of users.Strong passage detection of the present invention and RNC are carried out to reprovision based on strong channel information and strong channel change information to the resource in community, can improve the flexibility of networking, frequency configuration.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.All any modifications of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in.
Claims (6)
1. a method of carrying out the resource reprovision, is characterized in that, comprising:
A, radio network controller (RNC) carry out respectively channel resource allocation to signaling and business when for user equipment (UE), distributing uplink channel resources, and, when being UE assignment signalling channel resource, will carrying out frame for the DPCH DPCH of carrier signaling between a plurality of UE and divide multiplexing; B node NodeB, by the described DPCH for carrier signaling is detected, obtains the strong channel information of UE, and the strong channel information of resulting UE is reported to RNC;
The strong channel information of the UE that B, RNC report according to NodeB, will be for the DPCH that carries uplink service, meet between pre-conditioned UE and carry out space division multiplexing at channel isolation for the DPCH of bearing downlink business with for the DPCH of bearing downlink signaling, realize the sky of physical resource is divided.
2. method according to claim 1, is characterized in that, described B comprises:
The strong channel information of the UE that RNC reports according to NodeB judges whether the strong passage of UE changes, when the strong passage before strong passage changes and changes and the RF remote unit RRU of strong passage different frequency range ability by support after changing provide and serve, on the frequency range that the corresponding RRU of strong passage by described UE reprovision after change supports.
3. a method of carrying out the resource reprovision, is characterized in that, comprising:
A, B node NodeB carry out strong passage detection to user equipment (UE), and the strong channel information of resulting UE is reported to radio network controller (RNC);
The strong channel information of the UE that B, RNC report according to NodeB, meet pre-conditioned UE by channel isolation and be assigned on identical physical resource, realizes the sky of described physical resource is divided;
The mode that NodeB described in A carries out strong passage detection to UE has two kinds, wherein:
First kind of way is:
RNC distributes a up channel that is exclusively used in the little speed of carrying out strong passage detection, described up channel is carried out between a plurality of UE to frame and divides multiplexing;
Described a plurality of UE sends special burst on described up channel;
NodeB, by described up channel is detected, obtains the strong channel information of UE;
The second way is:
UE adopts idle midamble code to send customizing messages;
NodeB is detected by the midamble code to the described free time, obtains the strong channel information of UE;
Described in B, channel isolation being met to pre-conditioned UE is assigned on identical physical resource and is:
B2, RNC will be for the DPCH that carry uplink service, for the DPCH that carries up signaling, for the DPCH of bearing downlink business with for the DPCH of bearing downlink signaling, at channel isolation, meet between pre-conditioned UE and carry out space division multiplexing.
4. method according to claim 3, is characterized in that, described B2 is:
RNC will form CCTrCH Coded Composite Transport Channel CCTRCH for the DPCH that carries uplink service with for the DPCH that carries up signaling, at channel isolation, meet between pre-conditioned UE and will carry out space division multiplexing; To form CCTRCH for the DPCH of bearing downlink business with for the DPCH of bearing downlink signaling, and at channel isolation, meet between pre-conditioned UE and carry out space division multiplexing.
5. method according to claim 3, is characterized in that, while in the process of distributing in resource, occurring that UE need to send a plurality of up channel simultaneously, the method further comprises:
If more than one of the ascending time slot quantity in frame, RNC is by the distribution of staggering on described ascending time slot of a plurality of up channels of described UE, or the conducting frame timesharing does not send a plurality of up channels of described UE the distribution of staggering of a plurality of up channels of described UE at one time;
If an ascending time slot is only arranged in a frame, NodeB carries out scheduling controlling to described UE, makes described UE not send High-Speed Shared Control Channel HS-SICH in identical frame.
6. method according to claim 3, is characterized in that, described B comprises:
The strong channel information of the UE that RNC reports according to NodeB judges whether the strong passage of UE changes, when the strong passage before strong passage changes and changes and the RF remote unit RRU of strong passage different frequency range ability by support after changing provide and serve, on the frequency range that the corresponding RRU of strong passage by described UE reprovision after change supports.
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| CN200910089768.XA CN101965056B (en) | 2009-07-23 | 2009-07-23 | Method for reallocating resources |
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| CN200910089768.XA CN101965056B (en) | 2009-07-23 | 2009-07-23 | Method for reallocating resources |
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| CN101965056B true CN101965056B (en) | 2014-01-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012167420A1 (en) * | 2011-06-07 | 2012-12-13 | 中兴通讯股份有限公司 | Method and system for updating carriers in radio network controller |
| CN102883442B (en) * | 2012-09-04 | 2015-08-05 | 大唐移动通信设备有限公司 | With channel resource allocation method and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101267235A (en) * | 2007-03-16 | 2008-09-17 | 大唐移动通信设备有限公司 | A method and device for realizing space division multiplexing |
| CN101420703A (en) * | 2007-10-22 | 2009-04-29 | 中兴通讯股份有限公司 | Method for implementing space division multiple access by TD-SCDMA indoor distribution system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7532883B2 (en) * | 2006-08-10 | 2009-05-12 | Cisco Technology, Inc. | Wireless communication apparatus which communicates at specified frame cycles |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101267235A (en) * | 2007-03-16 | 2008-09-17 | 大唐移动通信设备有限公司 | A method and device for realizing space division multiplexing |
| CN101420703A (en) * | 2007-10-22 | 2009-04-29 | 中兴通讯股份有限公司 | Method for implementing space division multiple access by TD-SCDMA indoor distribution system |
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