CN101803421A - Improved uplink scheduling in a cellular system - Google Patents
Improved uplink scheduling in a cellular system Download PDFInfo
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- CN101803421A CN101803421A CN200880108296A CN200880108296A CN101803421A CN 101803421 A CN101803421 A CN 101803421A CN 200880108296 A CN200880108296 A CN 200880108296A CN 200880108296 A CN200880108296 A CN 200880108296A CN 101803421 A CN101803421 A CN 101803421A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W72/20—Control channels or signalling for resource management
- H04W72/29—Control channels or signalling for resource management between an access point and the access point controlling device
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Abstract
A method (400) for a cellular wireless system (100), according to which (410) a first controlling node (130), a NodeB, is used for a first cell in the system, and (415) EUL, Enhanced UpLink, is enabled for some of the users (120), UEs, in the first cell. Use is made (420) of an RNC (140), a Radio Network Controller, to allocate uplink resources to said NodeB as a shared resource pool (420), and the NodeB (130) allocates (435) resources from said pool to the UEs (120) in said first cell. The NodeB (130) is enabled to detect if its shared resource pool should be altered in size with respect to any one of the parameters in the pool, and (450) in such a case is enabled to inform the RNC (140) of this, and in that the RNC then carries out (457) such an alteration.
Description
Technical field
The invention discloses for dispatching method that uses in the cellular wireless system and device.
Background technology
For example being called TD SCDMA, being in some cellular communication systems of time-division S-CDMA etc., will introduce so-called enhanced uplink technology EUL.
In the sub-district of the TD SCDMA system that uses EUL, the Control Node of sub-district, be that so-called NodeB will be with predefine systematicness (regularity) the EUL user who gives such as EUL resource allocations such as (for example) sign indicating number, transmission time slot and transmission frequencies in the sub-district.The EUL resource of distributing by NodeB again by another node in the system, be that so-called radio network controller RNC distributes to NodeB.
RNC (pool) distributes to NodeB with EUL resource " storehouse ", and NodeB distributes these resources between the UE of use EUL subsequently in the sub-district.
Therefore, the EUL resource in the TD SCDMA system can be regarded " shared resource " as, because NodeB distributes them at interval with routine between different user.Most of TD SCDMA system also will comprise special-purpose such as resources such as (for example) sign indicating numbers, (per user) resource of promptly " pressing the user ", they can not equally with shared resource easily be redistributed.
Total resources, be that the summation of special use and shared resource is restricted in enabling the TDSCDMA system of EUL usually, therefore, RNC needs to optimize it should be as the judgement of shared resource distribution, because this will directly influence the stock number that can be used as private resource to which resource.
Summary of the invention
Show by above description, need a solution, can improve special use in the cellular system of enabling EUL and the balance between the shared resource by it.This solution should be applied to TD SCDMA system, but also is applied to other cellular system.
This solution provides by the present invention, and is a kind of for the method for using in the cellular wireless system because the present invention discloses.The method according to this invention is utilized at least the first Control Node, is NodeB for first sub-district in the system, and enables EUL, is enhanced uplink at least some the user UE in first sub-district.
Method of the present invention is also used RNC, is radio network controller that so that uplink resource is distributed to NodeB as the shared resource storehouse, and NodeB is the UE that gives from the resource allocation in this shared resource storehouse in the sub-district of NodeB.
The method according to this invention is enabled NodeB so that whether the size that detects its shared resource storehouse should change with respect to any of the parameter in the storehouse; In this case, enable NodeB so that notify RNC about this situation, RNC carries out this change then.
Therefore, according to the present invention, owing to increasing alternately between NodeB and the RNC, so RNC about the judgement of the size in this storehouse thereby obtain promoting about the judgement of private resource amount indirectly, and optimizes in easier mode before comparable with respect to the size in shared resource storehouse.
By following embodiment, this and other advantage of the present invention will become more clear.
As seeing from following description, the present invention is suitable for TD SCDMA kind, is the cellular system of time-division S-CDMA, but also can be used for other cellular system.
According to the present invention, the shared resource storehouse can comprise various parameters, but in one embodiment, the shared resource storehouse comprises at least one of following parameters:
-sign indicating number,
-transmission time slot,
-transmission carrier frequency.
The RNC that the present invention also openly uses the Control Node in the system of the present invention and is used for this system.
Description of drawings
Describe the present invention with reference to the accompanying drawings in more detail, accompanying drawing comprises:
Fig. 1 illustrates the schematic diagram that wherein can use system of the present invention, and
Fig. 2 illustrates the prior art principle, and
Fig. 3 illustrates principle used in the present invention, and
Fig. 4 a and Fig. 4 b illustrate the schematic flow diagram of method of the present invention, and
Fig. 5 illustrates the block diagram of Control Node of the present invention, and
Fig. 6 illustrates the block diagram of RNC of the present invention.
Embodiment
To use from TD SCDMA system below, be that the present invention described in the term of time-division S-CDMA, but should be pointed out that this,, and should not regard the protection range that restriction the present invention looks for as so that help reader understanding the present invention just as example.Also with reference to Fig. 4 a and Fig. 4 b, they illustrate the flow chart of method of the present invention in the following description.
Fig. 1 illustrates the schematic diagram of wherein using cellular system 100 of the present invention.As shown in Figure 1, system 100 comprises at least one sub-district 110, wherein has Control Node, is so-called NodeB130, and one of its function is that control is sent to and from the user in the sub-district " UE " 120 business.The use of NodeB also illustrates in the step 410 of Fig. 4 a.Indicate with dotted line as option or alternative step among Fig. 4 a and Fig. 4 b.
Shown in the step 425 of Fig. 2 and Fig. 4 a, be used for the sub-district and enable the resource of the UE of EUL is distributed to the sub-district by RNC 140 as shared resource storehouse (promptly being distributed to the stock number of each UE in the sub-district then in step 435 by NodeB) NodeB 130.The distribution of resource by NodeB at each so-called TTI, be that Transmission Time Interval carries out, wherein use a plurality of factors, such as RoT in the minizone of the measured indication thermal noise of (for example) NodeB and the sub-district, be thermal noise recruitment (Rise over Thermal).Spendable other factor is buffer occupancy among the UE and the transmit power capacity among the UE.
The shared resource storehouse can comprise various resources, and still, the example of this class resource of at least one that will comprise according to the present invention is spreading code, transmission time slot and transmission frequency, shown in step 430.
As implied above, an object of the present invention is to realize to more effective and judgement that more optimize about RNC 140 parts of the resources bank size of distributing to NodeB.One of its reason is the following fact: except that other service use private resource of EUL service, this means, is not then can be used for this class service-specific by RNC by the resource that RNC is used for EUL shared resource storehouse.
In order to be implemented in more effective judgement of carrying out among the RNC, according to the present invention, in step 430, whether the size that NodeB will detect its shared resource storehouse should change with respect to any of the parameter in the storehouse, if and situation is like this, then in step 450, NodeB will notify RNC about this situation, make that in step 457 RNC can carry out this change.
In one embodiment of the invention, whether NodeB detects the shared resource storehouse in the following manner and should change: in step 445, monitor a plurality of parameters, and check one or more first threshold T1 that whether surpass of these parameters, this expression should increase the storehouse, perhaps one or more whether the dropping to of these parameters is lower than the second threshold value T2, and this expression should make the storehouse littler.Might only have a upper threshold value and a lower threshold value for all parameters, perhaps each parameter has a upper threshold value and a lower threshold value, perhaps any combination of these forms, that is, the parameter of any amount can " gather " (lump) together so that compare with a threshold value.
Parameter by the NodeB monitoring can change between different application and different device (installation), but shown in step 405, the present invention is fit to be applied in the TD SCDMA system, and in this case, the example of employed suitable parameter is as described below:
Use the buffer occupancy of the UE of EUL in the-sub-district.This parameter can by monitoring about so-called MAC-e header or about E-RUCCH, be that the schedule information that E-DCH inserts uplink control channel is at random monitored.Disturbed condition is detected by measuring reception total wideband power RTWP and/or Interference Signal Code Power ISCP by NodeB.
Total reception wideband transmit broadband power RTWP of the grade (level) the in-indicating cell.This parameter is measured by NodeB.
Use service and the neighbor cell path loss ratio of the UE of EUL in-the sub-district, report by the UE measurement and to NodeB.
Use the power rising space of the UE of EUL in the-sub-district, that is, enable the residue power output capacity of the UE of EUL in the sub-district.The UE power rising space can be monitored by NodeB, because UE reports its residue rising space (headroom) to NodeB.
If should change, promptly increase or reduce the size of resources bank by the parameter indication of NodeB monitoring, then NodeB will suitably notify RNC about this situation (step 455) by so-called NBAP message, wherein NBAP is the abbreviation of " NodeB Application Part ", and it is Iub interface (being the interface between a NodeB and the RNC) signaling.Described NBAP message can be existing NBAP message, or for this purpose and the new NBAP message of creating.
When NodeB notice RNC about to the needing of the change of sharing E UL resources bank the time, RNC will suitably use NBAP message in step 465, so that notice NodeB is about this change of sharing E UL resources bank.The suitable example of the NBAP message that can be used for this purpose by RNC is NBAP message " Physical Shared Channel reconfigures ", i.e. " PSCR ", shown in step 470.
Method of the present invention can be in several ways realizes as hardware or software or as the combination of hardware and software.Software can suitably be embodied as the computer-executable code that is stored on the computer-readable recording mediums such as hard disk drive, disc driver, tape for example.
Fig. 5 illustrates the schematic block diagram of the Control Node of wherein using in the system of the present invention 500.As shown in Figure 5, Control Node 500 will comprise the antenna that is shown piece 510, and will comprise receiving unit 520 and radiating portion 530.In addition, Control Node 500 also comprises for example control assembly 540 and memory 550 such as microprocessor.In addition, Control Node 500 also be included in other assembly of separating with UE in the system, such as the interface 560 of (for example) RNC.
Owing to introduced the primary clustering of Control Node 500 now, these assemblies can only represent by its reference number that now for example " parts 510 " replace antenna 510.
Show also that by above description Control Node is estimated to enable EUL, be enhanced uplink at least some users " UE " in the sub-district in described sub-district as the Control Node in the sub-district of cellular wireless system.
Control Node 500 is used controllers 540, memory 550 and RNC interface 560 so that communicate with radio network controller RNC in the system, and receives distribution as the uplink resource in shared resource storehouse from RNC.
In addition, Control Node 500 also uses 540,550,530 and 510 so that the UE in the sub-district distributes the resource in shared resource storehouse, and whether Control Node 500 uses size that controllers 540 and memory 550 detect its shared resource storehouse should change with respect to any of the parameter in the storehouse, and in this case, use controller 540 and RNC interface 560, so that RNC is about this situation for notice, and the instruction that also receives this change from RNC.
In an embodiment of Control Node 500, the shared resource storehouse comprises at least one of following parameters:
-sign indicating number,
-transmission time slot,
-transmission carrier frequency.
Suitably but not necessarily, Control Node 500 is TD SCDMA kinds, is the NodeB in the cellular wireless system of time-division S-CDMA.
In a kind of form of " TD SCDMA " embodiment, Control Node 500 is used controller 540, memory 550 and RNC interface 560, so that notify RNC change about necessity by NodeB Application Part NBAP message.In addition, Control Node 500 can use parts 540 and 560 to receive the NBAP message of the information of the change with shared resource storehouse from RNC.Suitably, the NBAP message from RNC 140 is NBAP message " Physical Shared Channel reconfigures ".
In one embodiment, whether surpass first threshold T1 thereby indication to the needs that increase or whether drop to and be lower than the second threshold value T2 thereby the needs of indication to reducing by monitoring a plurality of parameters so that check parameter, whether Control Node 500 is used parts 510,520,540 and 550 to detect its shared resource storehouse and should be changed.Suitably, in such an embodiment, monitored parameter comprise following at least one:
Use the buffer occupancy of the UE of EUL in the-sub-district,
-always receive wideband transmit broadband power RTWP and/or Interference Signal Code Power ISCP,
Use service and the neighbor cell path loss ratio of the UE of EUL in-the sub-district, by the UE measurement and to the NodeB report,
Use the power rising space of the UE of EUL in the-sub-district.
The present invention also discloses a kind of radio network controller, as shown in Figure 6.Show also that by above description the RNC of invention estimates to be used for cellular wireless system, enables EUL, is enhanced uplink at least some users " UE " in described system.
In an embodiment of radio network controller 600, the shared resource storehouse comprises at least one of following parameters:
-sign indicating number,
-transmission time slot,
-transmission carrier frequency.
Suitably but not necessarily, radio network controller 600 is TD SCDMA kinds, is the RNC of the cellular wireless system of time-division S-CDMA.In " TD SCDMA " embodiment, RNC uses parts 610 to come to receive the information that changes about necessity from first Control Node by NodeB Application Part NBAP message.In addition, in " TD SCDMA " embodiment, RNC 600 uses parts 610 to transmit the NBAP message with the information that changes in the shared resource storehouse to Control Node, and described NBAP message suitably is NBAP message " Physical Shared Channel reconfigures ".
The present invention is not limited to above description and embodiment example illustrated in the accompanying drawings, but can freely change within the scope of the appended claims.
Claims (22)
1. method (400) that is used for cellular wireless system (100), according to described method, (410) at least the first Control Node (130), it is first sub-district that NodeB is used for system, and (415) enable EUL at least some users (120) UE in described first sub-district, it is enhanced uplink, and according to described method, utilize (420) RNC (140), it is radio network controller, so that uplink resource is distributed to described NodeB (425) as the shared resource storehouse, the UE (120) of NodeB (130) in described first sub-district resource of distributing (435) described storehouse wherein, described method is characterised in that, (440) enable NodeB (130) so that whether the size of checking its shared resource storehouse should change with respect to any of the parameter in the storehouse, and (450) enable NodeB (130) in this case, so that notice RNC (140) is about this situation, and RNC carries out (457) this change subsequently.
2. the method for claim 1 (400), according to described method, the shared resource storehouse comprises at least one of (430) following parameters:
-sign indicating number,
-transmission time slot,
-transmission carrier frequency.
3. method as claimed in claim 1 or 2 (400), this method be applied in (405) to the TDSCDMA kind, be the cellular wireless system of time-division S-CDMA.
4. method as claimed in claim 3 (400), according to described method, (455) NodeB (130) notifies RNC (140) change about necessity by NodeB Application Part NBAP message.
5. as claim 3 or 4 described methods (400), according to described method, (465) RNC (140) uses NBAP message, so that notice NodeB (130) is about the change in shared resource storehouse.
6. method as claimed in claim 5 (400), according to described method, (470) described NBAP message from RNC (140) to NodeB (130) is NBAP message " Physical Shared Channel reconfigures ".
7. as each the described method (400) among the claim 1-5, according to described method, (445) whether surpass first threshold (T1) thereby indication to the needs that increase or whether drop to and be lower than second threshold value (T2) thereby the needs of indication to reducing by a plurality of parameters of monitoring so that check parameter, whether NodeB (130) detects its shared resource storehouse and should change.
8. method as claimed in claim 7 (400), according to described method, by the parameter of NodeB monitoring comprise following at least one:
Use the buffer occupancy of the UE (120) of EUL in the-sub-district,
-always receive wideband transmit broadband power RTWP and/or Interference Signal Code Power ISCP,
Use service and the neighbor cell path loss ratio of the UE (120) of EUL in-the sub-district, by the UE measurement and to NodeB (130) report,
Use the power rising space of the UE (120) of EUL in the-sub-district.
9. the Control Node (500) of the sub-district of a cellular wireless system (100), in described sub-district, enable EUL at least some users (120) UE in the sub-district, it is enhanced uplink, described Control Node has been equipped with parts (540,550,560), be used for RNC (140) with system, be that radio network controller communicates, and be used for from the distribution of RNC reception as the uplink resource in shared resource storehouse, described Control Node also has been equipped with parts (540,550,530,510), be used for the resource that the UE (120) to the sub-district distributes described storehouse, described Control Node is characterised in that, whether it also has been equipped with the size that is used for detecting its shared resource storehouse should be with respect to any parts that change (540,550) of the parameter in storehouse, and be equipped with and be used for notifying in this case RNC (140) about this situation and the parts (540,560) that receive the instruction of this change from RNC.
10. Control Node as claimed in claim 9 (500), wherein, the shared resource storehouse comprises at least one of following parameters:
-sign indicating number,
-transmission time slot,
-transmission carrier frequency.
11. as claim 9 or 10 described Control Node (500), this Control Node is the TDSCDMA kind, be the NodeB in the cellular wireless system of time-division S-CDMA.
12. Control Node as claimed in claim 11 (500) has been equipped with and is used for notifying RNC (140) parts (540,550,560) about necessity change by NodeB Application Part NBAP message.
13., be equipped with the parts (540,560) that receive the NBAP message of information from RNC with the change of shared resource storehouse as claim 11 or 12 described Control Node (500).
14. Control Node as claimed in claim 13 (500) wherein, is NBAP message " Physical Shared Channel reconfigures " from the described NBAP message of RNC (140).
15. as each the described Control Node (500) among the claim 9-14, parts (510 have been equipped with, 520,540,550), be used for by monitoring a plurality of parameters whether surpassing first threshold (T1) thereby indication to the needs that increase or whether drop to and be lower than second threshold value (T2) thereby the needs of indication, detect its shared resource storehouse and whether should change reducing so that check parameter.
16. Control Node as claimed in claim 15 (500), wherein, monitored parameter comprise following at least one:
Use the buffer occupancy of the UE (120) of EUL in the-sub-district,
-always receive wideband transmit broadband power RTWP and/or Interference Signal Code Power ISCP,
Use service and the neighbor cell path loss ratio of the UE (120) of EUL in-the sub-district, by the UE measurement and to NodeB (130) report,
Use the power rising space of the UE (120) of EUL in the-sub-district.
17. radio network controller (600) RNC who is used for cellular wireless system (100), in described system, enable EUL at least some users (120) UE, it is enhanced uplink, described RNC (600) has been equipped with and has been used for the parts (610) that at least the first Control Node with system communicates and is used for distributing parts (620) as the uplink resource in shared resource storehouse to described Control Node, whether the size that communication component (610) also is used for receiving its shared resource storehouse from described first Control Node should be with respect to any information that changes of the parameter in storehouse, described RNC also has been equipped with the parts (620) that are used to carry out this change, changes about this comprising the notice Control Node.
18. radio network controller as claimed in claim 17 (600), wherein, the shared resource storehouse comprises at least one of following parameters:
-sign indicating number,
-transmission time slot,
-transmission carrier frequency.
19. as claim 17 or 18 described radio network controllers (600), this radio network controller is TD SCDMA kind, is the RNC of the cellular wireless system of time-division S-CDMA.
20. radio network controller as claimed in claim 19 (600), this radio network controller have been equipped with the parts (610) that are used for receiving from first Control Node by NodeB Application Part NBAP message the information of necessary change.
21. radio network controller as claimed in claim 20 (600), this radio network controller have been equipped with the parts (610) of NBAP message that are used for transmitting to Control Node the information of the change with shared resource storehouse.
22. radio network controller as claimed in claim 21 (600) wherein, is NBAP message " Physical Shared Channel reconfigures " from the described NBAP message of RNC (140).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0702161-1 | 2007-09-26 | ||
| SE0702161 | 2007-09-26 | ||
| PCT/SE2008/050720 WO2009041882A2 (en) | 2007-09-26 | 2008-06-17 | Improved uplink scheduling in a cellular system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101803421A true CN101803421A (en) | 2010-08-11 |
| CN101803421B CN101803421B (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880108296.1A Expired - Fee Related CN101803421B (en) | 2007-09-26 | 2008-06-17 | Improved uplink scheduling in a cellular system |
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| CN (1) | CN101803421B (en) |
| WO (1) | WO2009041882A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107113145A (en) * | 2014-11-14 | 2017-08-29 | 意大利电信股份公司 | method and system for uplink radio resource allocation |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2721894B1 (en) * | 2011-06-20 | 2015-08-26 | Telefonaktiebolaget L M Ericsson (publ) | Method and node for scheduling uplink transmission in a cellular radio system |
| CN103826310B (en) * | 2014-02-28 | 2017-05-24 | 电信科学技术研究院 | Method and device for determining resource pool capacity |
| CN108633048A (en) * | 2017-03-24 | 2018-10-09 | 中兴通讯股份有限公司 | A kind of resource allocation methods and device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20010721A1 (en) * | 2001-04-04 | 2002-10-04 | Siemens Inf & Comm Networks | METHOD TO OFFER PACKAGE SERVICES ON RADIO RESOURCES SHARED BY MULTIPLE USERS IN A TDD-CDMA SYSTEM |
| EP1657862B1 (en) * | 2002-11-16 | 2007-08-15 | Siemens S.p.A. | Centralized dynamical resource reservation method based on the exchange of service specific capacity settings in a multi-RAT network |
| EP1424865A1 (en) * | 2002-11-29 | 2004-06-02 | Siemens Mobile Communications S.p.A. | Method of and device for resource allocation in digital cellular communication systems |
| ES2304496T3 (en) * | 2003-07-31 | 2008-10-16 | Nokia Siemens Networks Gmbh | COMMON RADIO RESOURCE MANAGEMENT PROCEDURE IN A MULTI-RAT CELL PHONE NETWORK. |
| CN1617473A (en) * | 2003-11-10 | 2005-05-18 | 皇家飞利浦电子股份有限公司 | Method and device for clearing p2p interference in support p2p mode communication system |
| CN100375561C (en) * | 2004-09-13 | 2008-03-12 | 大唐移动通信设备有限公司 | Method for distributing radio resource in multiple carrier time-division duplex mobile communication system |
| EP1727296A1 (en) * | 2005-05-23 | 2006-11-29 | Siemens S.p.A. | Method and device for downlink resource allocation for packet transmission of users of radio communication systems |
| CN1805320A (en) * | 2006-01-16 | 2006-07-19 | 中兴通讯股份有限公司 | Method for code channel allocation in TD-SCDMA access system |
| CN100574276C (en) * | 2006-08-22 | 2009-12-23 | 中兴通讯股份有限公司 | The control method that the TDS-CDMA system enhanced uplink inserts at random |
-
2008
- 2008-06-17 WO PCT/SE2008/050720 patent/WO2009041882A2/en active Application Filing
- 2008-06-17 CN CN200880108296.1A patent/CN101803421B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107113145A (en) * | 2014-11-14 | 2017-08-29 | 意大利电信股份公司 | method and system for uplink radio resource allocation |
| CN107113145B (en) * | 2014-11-14 | 2020-08-11 | 意大利电信股份公司 | Method and system for uplink radio resource allocation |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009041882A3 (en) | 2009-05-28 |
| CN101803421B (en) | 2013-06-19 |
| WO2009041882A2 (en) | 2009-04-02 |
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