CN101803421B - Improved uplink scheduling in a cellular system - Google Patents
Improved uplink scheduling in a cellular system Download PDFInfo
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- CN101803421B CN101803421B CN200880108296.1A CN200880108296A CN101803421B CN 101803421 B CN101803421 B CN 101803421B CN 200880108296 A CN200880108296 A CN 200880108296A CN 101803421 B CN101803421 B CN 101803421B
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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
- H04W72/00—Local resource management
- 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 the dispatching method in cellular wireless system and device.
Background technology
Such as being called TD SCDMA, being in some cellular communication systems of time-division S-CDMA—Synchronous Code Division Multiple Access etc., will introduce so-called enhanced uplink technology EUL.
In the residential quarter of the TD SCDMA system that uses EUL, the control node of residential quarter, be so-called NodeB will with predefine systematicness (regularity) such as (such as) the EUL resources such as code, transmission time slot and transmission frequency distribute to the EUL user in the residential quarter.The EUL resource of being distributed by NodeB again by another node in 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 residential quarter.
Therefore, the EUL resource in TD SCDMA system can be regarded " shared resource " as, because NodeB distributes them with conventional interval between different user.Most of TD SCDMA system also will comprise special-purpose such as (such as) resource such as code, (per user) resource of namely " 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 affect 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 the special use in the cellular system of enabling EUL and the balance between 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 in 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 the first residential quarter in system, and enables EUL, is enhanced uplink at least some the user UE in the first residential quarter.
Method of the present invention also uses RNC, is radio network controller, in order to uplink resource is distributed to NodeB as the shared resource storehouse, and NodeB is the UE in the residential quarter of distributing to NodeB from the resource in this shared resource storehouse.
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 in order to notify RNC about this situation, then RNC carries out this change.
Therefore, according to the present invention, due to increasing with respect to the size in shared resource storehouse alternately between NodeB and RNC, so RNC is about the judgement of the size in this storehouse thereby indirectly be promoted about the judgement of private resource amount, and optimize in easier mode before comparable.
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—Synchronous Code Division Multiple Access, 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, and the shared resource storehouse comprises at least one of following parameters:
-code,
-transmission time slot,
-transmission carrier frequency.
The RNC that the present invention also openly uses the control node in system of the present invention and is used for this system.
Description of drawings
Describe in more detail with reference to the accompanying drawings the present invention, 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
The below will use from TD SCDMA system, be that the present invention described in the term of time-division S-CDMA—Synchronous Code Division Multiple Access, but should be pointed out that this just as example, in order to help reader understanding the present invention, and should not regard the protection range that restriction the present invention looks for as.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 residential quarter 110, wherein have control node, be so-called NodeB130, one of its function is to control to be sent to and from the user in the residential quarter " 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 in Fig. 4 a and Fig. 4 b.
System 100 also comprises so-called RNC node 140, namely is used for the node that radio net is controlled, and also the step 420 at Fig. 4 a illustrates.Can be for so-called EUL, be the part that enhanced uplink is enabled the UE in residential quarter 110, as shown in the step 415 of Fig. 4 a.
As shown in the step 425 of Fig. 2 and Fig. 4 a, be used for the residential quarter and enable the resource of the UE of EUL and distributed to the NodeB 130 of residential quarter as shared resource storehouse (namely then the stock number of each UE in step 435 is distributed to the residential quarter by NodeB) by RNC 140.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 residential quarter, be thermal noise recruitment (Rise over Thermal).Spendable other factors is buffer occupancy in UE and the transmit power capacity in 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, as shown in step 430.
As implied above, an object of the present invention is to realize to the 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: use private resource except other service that EUL service is, this means, be not be used for the resource in EUL shared resource storehouse by RNC can be by RNC for this class service-specific.
For more effectively judging of realizing carrying out in 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, in step 450, NodeB will notify RNC about this situation, make in step 457, RNC can carry out this change.
In one embodiment of the invention, whether NodeB detects in the following manner the shared resource storehouse 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, if so, expression should increase the storehouse, and perhaps whether the one or more of these parameters drop to lower than Second Threshold T2, if so, expression should make the storehouse less.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 in order to compare with a threshold value.
Parameter by the NodeB monitoring can change between different application and different device (installation), but as shown in step 405, the present invention is fit to be applied in TD SCDMA system, and in this case, the example of the suitable parameter that uses is as described below:
Use the buffer occupancy of the UE of EUL in-residential quarter.This parameter can be by monitoring about so-called MAC-e header or about E-RUCCH, be that the schedule information that E-DCH accesses uplink control channel is at random monitored.Disturbed condition receives total wideband power RTWP by measurement and/or Interference Signal Code Power ISCP detects by NodeB.
Total reception wideband transmit broadband power RTWP of the grade (level) in-indicating cell.This parameter is measured by NodeB.
Use service and the neighbor cell path loss ratio of the UE of EUL in-residential quarter, measure and report to NodeB by UE.
Use the power climbing space of the UE of EUL in-residential quarter, that is, enable the residue power output capacity of the UE of EUL in the residential quarter.The UE power climbing space can be monitored by NodeB, because UE reports its residue rising space (headroom) to NodeB.
If should change, namely increase or reduce the size of resources bank by the parameter indication of NodeB monitoring, 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 NodeB and RNC) signaling.Described NBAP message can be existing NBAP message, or for this purpose and the new NBAP message that creates.
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 as NodeB notice RNC.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 ", as 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 computer-readable recording mediums such as hard disk drive, disc driver, tape.
Fig. 5 illustrates the schematic block diagram of the control node 500 of wherein using in system of the present invention.As shown in Figure 5, control node 500 and will comprise the antenna that is shown piece 510, and will comprise receiving unit 520 and radiating portion 530.In addition, controlling node 500 also comprises such as the control assemblies such as microprocessor 540 and memory 550.In addition, control node 500 also be included in other assembly of separating with UE in system, such as the interface 560 of (for example) RNC.
Owing to having introduced now the primary clustering of controlling node 500, thus these assemblies can only represent by its reference number now, for example " parts 510 " replace antenna 510.
Also show by above description, control node and estimate to enable EUL, be enhanced uplink at least some users " UE " in the residential quarter in described residential quarter as the control node in the residential quarter of cellular wireless system.
Control that node 500 uses controllers 540, memory 550 and RNC interface 560 in order to communicate with radio network controller RNC in system, and receive distribution as the uplink resource in shared resource storehouse from RNC.
In addition, control node 500 and also use 540,550,530 and 510 so that the resource that the UE in the residential quarter distributes the shared resource storehouse, whether and controlling size that node 500 use 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 controlling an embodiment of node 500, the shared resource storehouse comprises at least one of following parameters:
-code,
-transmission time slot,
-transmission carrier frequency.
Suitably but not necessarily, to control node 500 are TD SCDMA kinds, be the NodeB in the cellular wireless system of time-division S-CDMA—Synchronous Code Division Multiple Access.
In a kind of form of " TD SCDMA " embodiment, control node 500 and use controller 540, memory 550 and RNC interface 560, in order to notify the change of RNC about necessity by NodeB Application Part NBAP message.In addition, controlling 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,, in order to check whether parameter surpasses first threshold T1 thereby indication to the needs that increase or whether drop to the needs to reducing lower than Second Threshold T2 thereby indication control node 500 use parts 510,520,540 and 550 and detect its shared resource storehouse and whether should change by monitoring a plurality of parameters.Suitably, in such an embodiment, monitored parameter comprise following at least one:
Use the buffer occupancy of the UE of EUL in-residential quarter,
-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-residential quarter, measure and report to NodeB by UE,
Use the power climbing space of the UE of EUL in-residential quarter.
The present invention also discloses a kind of radio network controller, as shown in Figure 6.Also show 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.
RNC 600 has been equipped with and has been used for controlling with at least the first of system the parts 610 that node communicates and also has been equipped with being used for distributing parts 620 as the uplink resource in shared resource storehouse to described control node.Parts 610 can suitably comprise interface and " communication controler ", such as (for example) microprocessor 611 with memory 612 combinations.Interface is suitably the land line interface, but radio interface is also possible.
RNC 600 also uses the communication component 610 should be with respect to any information that changes of the parameter the storehouse from the first size of controlling the shared resource storehouse of node receiving node, and distribution member 620 will be used to carry out this change, comprise suitably and notify the control node to change about this via communication component 610 in this class situation.
In an embodiment of radio network controller 600, the shared resource storehouse comprises at least one of following parameters:
-code,
-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—Synchronous Code Division Multiple Access.In " TD SCDMA " embodiment, RNC comes to control node by NodeB Application Part NBAP message from first with parts 610 and receives the information that changes about necessity.In addition, in " TD SCDMA " embodiment, RNC 600 uses parts 610 to transmit the NBAP message of the information with shared resource storehouse change to the control node, and described NBAP message is suitably 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 the first residential quarter that NodeB is used for system, and (415) enable EUL at least some users (120) UE in described the first residential quarter, it is enhanced uplink, and according to described method, utilize (420) RNC (140), it is radio network controller, in order to uplink resource is distributed to described NodeB (425) as the shared resource storehouse, the UE (120) of NodeB (130) in described the first residential quarter resource of distributing (435) described storehouse wherein, described method is characterised in that, (440) enable NodeB (130) so that whether the size that checks its shared resource storehouse should change with respect to any of the parameter in the storehouse, and (450) enable NodeB (130) in this case, in order to notify this situation to RNC (140), 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:
-code,
-transmission time slot,
-transmission carrier frequency.
3. method as claimed in claim 1 or 2 (400), the method be applied in (405) to the TDSCDMA kind, be the cellular wireless system of time-division S-CDMA—Synchronous Code Division Multiple Access.
4. method as claimed in claim 3 (400), according to described method, (455) NodeB (130) comes to the necessary change of RNC (140) notice by NodeB Application Part NBAP message.
5. method as claimed in claim 3 (400), according to described method, (465) RNC (140) uses NBAP message, to the change in NodeB (130) notice 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. method as claimed in claim 1 or 2 (400), according to described method, (445) by a plurality of parameters of monitoring in order to check whether parameter surpasses first threshold (T1) thereby indication to the needs of the increase in shared resource storehouse or whether drop to lower than Second Threshold (T2) thereby the indication needs that reduce to the shared resource storehouse, 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-residential quarter,
-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-residential quarter, by the UE measurement and to NodeB (130) report,
Use the power climbing space of the UE (120) of EUL in-residential quarter.
9. the control node (500) of the residential quarter of a cellular wireless system (100), enable EUL at least some users (120) UE in the residential quarter in described residential quarter, it is enhanced uplink, described control node has been equipped with parts (540, 550, 560), be used for the RNC (140) with system, be that radio network controller communicates, and be used for receiving distribution as the uplink resource in shared resource storehouse from RNC, described control node also has been equipped with parts (540, 550, 530, 510), be used for distributing to the UE (120) of residential quarter the resource in described storehouse, described control node is characterised in that, whether it also has been equipped with should be with respect to any parts that change (540 of the parameter in the storehouse for detection of the size in its shared resource storehouse, 550), and the parts (540 of notifying this situation and receiving the instruction of this change from RNC to RNC (140) in this case have been equipped with, 560).
10. control node as claimed in claim 9 (500), wherein, the shared resource storehouse comprises at least one of following parameters:
-code,
-transmission time slot,
-transmission carrier frequency.
11. control node as described in claim 9 or 10 (500), this control node be the TDSCDMA kind, be the NodeB in the cellular wireless system of time-division S-CDMA—Synchronous Code Division Multiple Access.
12. control node as claimed in claim 11 (500) has been equipped with the parts (540,550,560) that are used for to notify to RNC (140) by NodeB Application Part NBAP message necessary change.
13. control node as claimed in claim 11 (500) has been equipped with the parts (540,560) that receive the NBAP message of the information with shared resource storehouse change from RNC.
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. control node as described in claim 9 or 10 (500), parts (510 have been equipped with, 520,540,550), be used for by a plurality of parameters of monitoring in order to check whether parameter surpasses first threshold (T1) thereby indication to the needs of the increase in shared resource storehouse or whether drop to lower than Second Threshold (T2) thereby indicate needs that reduce to the shared resource storehouse, detect its shared resource storehouse and whether should change.
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-residential quarter,
-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-residential quarter, by the UE measurement and to NodeB (130) report,
Use the power climbing space of the UE (120) of EUL in-residential quarter.
17. radio network controller (600) RNC who is used for cellular wireless system (100), enable EUL at least some users (120) UE in described system, it is enhanced uplink, described RNC (600) has been equipped with and has been used for controlling with at least the first of system the parts (610) that node communicates and is used for distributing parts (620) as the uplink resource in shared resource storehouse to described control node, whether communication component (610) also is used for controlling from described first size that node receives its shared resource storehouse should be with respect to any information that changes of the parameter in storehouse, described RNC also has been equipped with for the parts (620) that carry out this change, comprising notifying this change to controlling node.
18. radio network controller as claimed in claim 17 (600), wherein, the shared resource storehouse comprises at least one of following parameters:
-code,
-transmission time slot,
-transmission carrier frequency.
19. radio network controller as described in claim 17 or 18 (600), this radio network controller are for TD SCDMA kind, are the RNC of the cellular wireless system of time-division S-CDMA—Synchronous Code Division Multiple Access.
20. being equipped with, radio network controller as claimed in claim 19 (600), this radio network controller be used for controlling from first the parts (610) that node receives the information of necessary change by NodeB Application Part NBAP message.
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 to controlling node and transmit 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 CN101803421A (en) | 2010-08-11 |
| CN101803421B true CN101803421B (en) | 2013-06-19 |
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| 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) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| ITMI20141970A1 (en) * | 2014-11-14 | 2016-05-14 | Telecom Italia Spa | METHOD AND SYSTEM FOR ALLOCATION OF RADIO RESOURCES IN UPLINK |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| ATE341170T1 (en) * | 2002-11-16 | 2006-10-15 | Siemens Spa Italiana | METHOD FOR TRAFFIC LOAD MANAGEMENT BASED ON THE EXCHANGE OF SERVICE-SPECIFIC INFORMATION ELEMENTS FOR FREE CAPACITY BETWEEN RADIO ACCESS NETWORK CONTROL UNITS |
| DE60319975T2 (en) * | 2003-07-31 | 2009-05-07 | Nokia Siemens Networks Gmbh & Co.Kg | A method of managing common radio resources in a cellular telephone 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 |
| 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 |
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- 2008-06-17 WO PCT/SE2008/050720 patent/WO2009041882A2/en active Application Filing
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
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| CN101803421A (en) | 2010-08-11 |
| WO2009041882A2 (en) | 2009-04-02 |
| WO2009041882A3 (en) | 2009-05-28 |
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