CN101965056A - Method for reallocating resources - Google Patents
Method for reallocating resources Download PDFInfo
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- CN101965056A CN101965056A CN200910089768XA CN200910089768A CN101965056A CN 101965056 A CN101965056 A CN 101965056A CN 200910089768X A CN200910089768X A CN 200910089768XA CN 200910089768 A CN200910089768 A CN 200910089768A CN 101965056 A CN101965056 A CN 101965056A
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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 subject to up-downgoing and follows channel, and for simple HSDPA carrier wave, its number of users that can carry especially is subject to the up channel of following.Because in this case, up follow channel not only carrier signaling also carry high-rise feedback informations such as ACK.
In order to improve the number of users that the HSDPA carrier wave can be served, the mode that prior art has adopted up-downgoing to follow channel frame to divide.But, follow the channel frame branch will cause channel speed to reduce, and the too low throughput that will influence user's downlink business of user uplink service rate, therefore, the up channel of following can not be supported high power frame branch.In addition, no matter the up channel high power frequency division of following still is the descending channel high power frame branch of following, and all can influence the receptivity of physical layer, and will increase professional and signaling time delay, causes quality of service to reduce.
As seen, have now and follow channel to carry out the method that frame divides, can't effectively improve the number of users that the HSDPA carrier wave can be served, also can't guarantee higher quality of service up-downgoing.
The problems referred to above exist on the R4 Traffic Channel too, 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 have nothing in common with each other.Because in the prior art, radio network controller (RNC) can't be distinguished path, can't know the frequency range ability that each path RRU is supported, can not adjust the frequency allocation of UE according to the change of path, therefore, prior art requires each path RRU to support identical frequency range ability carrying out indoor path when merging, 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 a sub-district, UE is between these two path when mobile, if the spatial separation between two path better just may cause the UE call drop.
In sum, above-mentioned prior art is in the space that also has further improvement aspect resource utilization and the resource allocation 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, with the efficient of the raising utilization of resources and the reasonability of resource allocation.
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 to user equipment (UE) and detect, and the strong channel information of resulting UE is reported radio network controller (RNC);
B, RNC carry out the resource reprovision according to the strong channel information of the UE that NodeB reports to UE.
Preferably, described B comprises: the strong channel information of the UE that RNC reports according to NodeB, and channel isolation is satisfied pre-conditioned UE be assigned on the identical physical resource, realize sky branch to described physical resource.
Preferably, NodeB described in the A carries out strong passage to UE and detects and can comprise:
RNC carries out channel resource allocation respectively to signaling and business when distributing uplink channel resources for UE, and when being UE assignment signalling channel resource, the DPCH DPCH that will be used for carrier signaling carries out frame and divides multiplexing between a plurality of UE;
NodeB obtains the strong channel information of UE by the described DPCH that is used for carrier signaling is detected.
Preferably, NodeB described in the 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 frame divide multiplexing between a plurality of UE;
Described a plurality of UE sends special burst on described up channel;
NodeB obtains the strong channel information of UE by described up channel is detected.
Preferably, NodeB described in the A carries out strong passage to UE and detects and can comprise:
UE adopts idle midamble sign indicating number to send customizing messages;
NodeB detects by the midamble sign indicating number to the described free time, obtains the strong channel information of UE.
Described in the B channel isolation satisfied pre-conditioned UE be assigned on the identical physical resource can for:
B1, RNC will be used to carry the DPCH of uplink service, the DPCH that is used for the DPCH of bearing downlink business and is used for the bearing downlink signaling to be satisfied at channel isolation and carries out space division multiplexing between the pre-conditioned UE.
Described in the B channel isolation satisfied pre-conditioned UE be assigned on the identical physical resource can for:
DPCH, the DPCH that is used to carry up signaling, the DPCH that is used for the DPCH of bearing downlink business and is used for the bearing downlink signaling that B2, RNC will be used to carry uplink service satisfy at channel isolation and carry out space division multiplexing between the pre-conditioned UE.
Described B2 can for:
RNC will be used to carry the DPCH of uplink service and be used to carry the DPCH composition CCTrCH Coded Composite Transport Channel CCTRCH of up signaling, satisfy at channel isolation and carry out space division multiplexing between the pre-conditioned UE; The DPCH that will be used for the bearing downlink business forms CCTRCH with the DPCH that is used for the bearing downlink signaling, satisfies at channel isolation and carries out space division multiplexing between the pre-conditioned UE.
When occurring UE in the process in resource allocation and need send a plurality of up channel simultaneously, this method may further include:
If more than one of the ascending time slot quantity in frame, RNC is with 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 the 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: RNC judges according to the strong channel information of the UE that NodeB reports whether the strong passage of UE changes, strong passage before strong passage changes and changes is provided when serving by the RF remote unit RRU of the different frequency range ability of support with strong passage after changing, on the frequency range that the pairing RRU of strong passage of described UE reprovision after change supported.
As seen from the above technical solution, the inventive method can realize that up-downgoing follows the sky branch of channel, 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 the attainable empty multiple that divides, divide under the coefficient at identical frame, can carry the empty multiple number of users doubly that divides, 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 branch situation is better, channel is empty to be divided by following, and also may satisfy the needs of number of users under the time slot configuration of 1:5, divides in conjunction with PDSCH is empty, can improve throughput and user's peak rate of Traffic Channel to a greater extent.
Apply the present invention to follow the empty branch of channel, 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 empty branch of R4 Traffic Channel, 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 reprovision based on strong channel information and strong channel change information to the resource in the sub-district, can improve the flexibility of networking, frequency configuration.
Description of drawings
Fig. 1 carries out the method flow schematic diagram of resource reprovision for the present invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in further detail.
Main thought of the present invention is: detect by UE being carried out strong passage, and in the sub-district, carry out the resource reprovision according to the strong channel information of UE by RNC, thereby, on the one hand, user's space division multiplexing that realization meets the demands channel isolation improves the user capacity and the quality of service of system to identical physical resource; 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 carries out the method flow schematic diagram of resource reprovision for the present invention.Referring to Fig. 1, this method comprises:
Step 101:NodeB carries out strong passage to user equipment (UE) and detects, and the strong channel information of resulting UE is reported RNC.
The invention provides the multiple method that is used to carry out strong passage detection, illustrate as follows:
First method:
RNC carries out channel resource allocation respectively to signaling and business when distributing uplink channel resources for UE, and when being UE assignment signalling channel resource, and the DPCH (DPCH) that will be used for carrier signaling is carried out frame and divided multiplexing between a plurality of UE;
NodeB detects by the DPCH that this is used for carrier signaling, 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 frame divide multiplexing between a plurality of UE;
Described a plurality of UE sends special burst (special burst) on this up channel;
NodeB obtains the strong channel information of UE by this up channel is detected.
The third method:
UE adopts idle midamble sign indicating number to send customizing messages;
NodeB detects by the midamble sign indicating number to the free time, obtains the strong channel information of UE.
Step 102:RNC carries out the resource reprovision according to the strong channel information of the UE that NodeB reports 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 the HSDPA number of users and quality of service in the prior art, and the problem that faced of R4 business; Also can determine whether the strong passage of UE changes, and when the strong passage of UE changes, in time UE be carried out the intra-cell resource reprovision, to prevent the UE call drop according to this strong channel information.Particularly:
One, utilize the strong channel information of UE to carry out space division multiplexing
Provide three kinds to be used to carry out the method that strong passage detects in the above-mentioned steps 101.
Wherein, first method is that the up signaling DPCH to UE carries out the frame branch, and carries out according to this up signaling DPCH that strong passage detects with the strong channel information that obtains UE.Because up signaling DPCH has carried out the frame branch, therefore, adopt the strong channel information of the resulting UE of this method to can be used for RNC uplink service DPCH, downlink business DPCH and downlink signaling DPCH are carried out space division multiplexing, that is: RNC will be used to carry the DPCH of uplink service, the DPCH that is used for the DPCH of bearing downlink business and is used for the bearing downlink signaling and satisfy at channel isolation and carry out space division multiplexing between the pre-conditioned UE.
What be different from above-mentioned first method is, adopt second kind 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 are carried out space division multiplexing, that is: RNC DPCH, the DPHC that is used to carry up signaling, the DPCH that is used for the DPCH of bearing downlink business and is used for the bearing downlink signaling that will be used to carry uplink service satisfies at channel isolation and carries out space division multiplexing between the pre-conditioned UE.And the up-downgoing signaling can be formed CCTrCH Coded Composite Transport Channel (CCTRCH) with business and carry out the sky branch.That is: RNC will be used to carry the DPCH of uplink service and be used to carry the DPCH composition CCTRCH of up signaling, satisfy at channel isolation and carry out space division multiplexing between the pre-conditioned UE; The DPCH that will be used for the bearing downlink business forms CCTRCH with the DPCH that is used for the bearing downlink signaling, satisfies at channel isolation and carries out space division multiplexing between the pre-conditioned UE.
It is to be noted: the described second method of step 101 has been introduced a new up channel, it is no problem to carry out at UE under the situation of R4 business, 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 the situation that UE need support three up channels simultaneously may appear in unreasonable distribution.Because the disposal ability of UE is limited at present, this needs RNC to divide the distribution of staggering at time slot or frame when Resources allocation, that is: RNC is with 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 the worst case, for example: time slot is configured according to 1:5, an ascending time slot is only arranged in the frame, up all channels all send in a time slot, at this moment, NodeB need consider the distribution condition of UE ascending resource when scheduling, if two resources that RNC distributes bump against in time, NodeB need pass through scheduling controlling, guarantees that UE does not send HS-SICH in same number of frames.
When 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
RNC judges according to the strong channel information of the UE that NodeB reports whether the strong passage of UE changes, strong passage before strong passage changes and changes is provided when serving by the RF remote unit RRU of the different frequency range ability of support with strong passage after changing, on the frequency range that the pairing RRU of strong passage of described UE reprovision after change supported.Here, RNC can determine the frequency range ability that each path RRU is supported in conjunction with engineering information.So, can prevent the UE call drop, thereby can allow the single path RRU or the many path RRU that support the different frequency range ability carry out the path merging, form a sub-district.
What deserves to be explained is: when the strong channel information that utilizes UE realizes that path merges, the method that might not take step 101 of the present invention to provide is carried out strong passage and is detected, as long as UE possesses special uplink channel, can carry out strong passage and detect, 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 owing to whether satisfy correlation technique pre-conditioned and that how physical resource is carried out space division multiplexing about channel isolation how to judge passage, 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 branch of channel, 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 the attainable empty multiple that divides, divide under the coefficient at identical frame, can carry the empty multiple number of users doubly that divides, 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 branch situation is better, channel is empty to be divided by following, and also may satisfy the needs of number of users under the time slot configuration of 1:5, divides in conjunction with PDSCH is empty, can improve throughput and user's peak rate of Traffic Channel to a greater extent.
Apply the present invention to follow the empty branch of channel, 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 empty branch of R4 Traffic Channel, 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 reprovision based on strong channel information and strong channel change information to the resource in the sub-district, can improve the flexibility of networking, frequency configuration.
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, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a method of carrying out the resource reprovision is characterized in that, comprising:
A, B node NodeB carry out strong passage to user equipment (UE) and detect, and the strong channel information of resulting UE is reported radio network controller (RNC);
B, RNC carry out the resource reprovision according to the strong channel information of the UE that NodeB reports to UE.
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 satisfies pre-conditioned UE with channel isolation and is assigned on the identical physical resource, realizes the sky branch to described physical resource.
3. method according to claim 2 is characterized in that, NodeB described in the A carries out strong passage detection to UE and comprises:
RNC carries out channel resource allocation respectively to signaling and business when distributing uplink channel resources for UE, and when being UE assignment signalling channel resource, the DPCH DPCH that will be used for carrier signaling carries out frame and divides multiplexing between a plurality of UE;
NodeB obtains the strong channel information of UE by the described DPCH that is used for carrier signaling is detected.
4. method according to claim 2 is characterized in that, NodeB described in the A carries out strong passage detection to UE and comprises:
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 frame divide multiplexing between a plurality of UE;
Described a plurality of UE sends special burst on described up channel;
NodeB obtains the strong channel information of UE by described up channel is detected.
5. method according to claim 2 is characterized in that, NodeB described in the A carries out strong passage detection to UE and comprises:
UE adopts idle midamble sign indicating number to send customizing messages;
NodeB detects by the midamble sign indicating number to the described free time, obtains the strong channel information of UE.
6. method according to claim 3 is characterized in that, described in the B channel isolation is satisfied pre-conditioned UE and is assigned on the identical physical resource and is:
B1, RNC will be used to carry the DPCH of uplink service, the DPCH that is used for the DPCH of bearing downlink business and is used for the bearing downlink signaling to be satisfied at channel isolation and carries out space division multiplexing between the pre-conditioned UE.
7. according to claim 4 or 5 described methods, it is characterized in that, described in the B channel isolation satisfied pre-conditioned UE and be assigned on the identical physical resource and be:
DPCH, the DPCH that is used to carry up signaling, the DPCH that is used for the DPCH of bearing downlink business and is used for the bearing downlink signaling that B2, RNC will be used to carry uplink service satisfy at channel isolation and carry out space division multiplexing between the pre-conditioned UE.
8. method according to claim 7 is characterized in that, described B2 is:
RNC will be used to carry the DPCH of uplink service and be used to carry the DPCH composition CCTrCH Coded Composite Transport Channel CCTRCH of up signaling, satisfy at channel isolation and carry out space division multiplexing between the pre-conditioned UE; The DPCH that will be used for the bearing downlink business forms CCTRCH with the DPCH that is used for the bearing downlink signaling, satisfies at channel isolation and carries out space division multiplexing between the pre-conditioned UE.
9. method according to claim 7 is characterized in that, when occurring UE in the process in resource allocation and need send a plurality of up channel simultaneously, this method further comprises:
If more than one of the ascending time slot quantity in frame, RNC is with 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 the frame, NodeB carries out scheduling controlling to described UE, makes described UE not send High-Speed Shared Control Channel HS-SICH in identical frame.
10. method according to claim 1 is characterized in that, described B comprises:
RNC judges according to the strong channel information of the UE that NodeB reports whether the strong passage of UE changes, strong passage before strong passage changes and changes is provided when serving by the RF remote unit RRU of the different frequency range ability of support with strong passage after changing, on the frequency range that the pairing RRU of strong passage of described UE reprovision after change supported.
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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 CN101965056B (en) | 2014-01-01 |
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Cited By (2)
| 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 |
| CN102883442A (en) * | 2012-09-04 | 2013-01-16 | 大唐移动通信设备有限公司 | Associated channel resource allocation method and device |
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| US20080037503A1 (en) * | 2006-08-10 | 2008-02-14 | Navini Networks, Inc. | Method for selecting multiple customer premises equipments to share a channel in a wireless communications network |
| 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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2009
- 2009-07-23 CN CN200910089768.XA patent/CN101965056B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20080037503A1 (en) * | 2006-08-10 | 2008-02-14 | Navini Networks, Inc. | Method for selecting multiple customer premises equipments to share a channel in a wireless communications network |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102883442A (en) * | 2012-09-04 | 2013-01-16 | 大唐移动通信设备有限公司 | Associated channel resource allocation method and device |
| 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 |
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