CN1735255A - Channel resource allocation method - Google Patents
Channel resource allocation method Download PDFInfo
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- CN1735255A CN1735255A CN 200410055310 CN200410055310A CN1735255A CN 1735255 A CN1735255 A CN 1735255A CN 200410055310 CN200410055310 CN 200410055310 CN 200410055310 A CN200410055310 A CN 200410055310A CN 1735255 A CN1735255 A CN 1735255A
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Abstract
This invention discloses a channel resource allocation method in TDM-CDMA multi carrier system, which comprises following steps mainly: a. deciding whether the being allotted channel is shaped-beam channel, if yes, executing step b; or else, executing step c; b. allotting the shaped-beam channel to main carrier time slot, auxiliary carrier time slot or other time slots; c. allotting the channel to main carrier time slot or other time slot in auxiliary carrier. The invention can solve the problem that auxiliary carrier capacity reduces by TSO.
Description
Technical field
The present invention relates to the CDMA communication technology, in particular, the present invention relates to a kind of channel resource allocation method in TD SDMA (TD-SCDMA, Time Division-Synchronization Code Division Multiple Access) multicarrier system.
Background technology
At present, mobile communication has developed into 3G (Third Generation) Moblie (3G, Third Generation). One of three main standard of the TD-SCDMA 3G (Third Generation) Moblie that to be in May, 2000 approved by 3GPP by International Telecommunications Union (ITU, International Telecommunication Union), March calendar year 2001. As the 3G standard of time division multiplexing mode, TD-SCDMA is used as the time-division multiplex technology scheme of low spreading rate (1.28MCps, 1.28 million chips/sec) in the ITU standard.
The same with other GSM, in order to satisfy the ever-increasing demand of Mobile Communications Market, the TD-SCDMA system also need adopt and carry out the mode that multicarrier covers in same sectors/cells and increase power system capacity.
For realizing that multicarrier covers, prior art adopts a main carrier to add the mode of several minor carriers, namely only send pilot tone and broadcast message at carrier frequency of cell/section, other carrier frequency is as minor carrier, residential quarter must have one and only have a main carrier, a plurality of frequencies use a common broadcasting, and its detailed protocol is as follows:
For each sector, from n the frequency that is assigned to, determine one as main carrier, in same sector, only send DwPTS and broadcast message (TS0) at main carrier. When setting up the residential quarter, need to clearly indicate main carrier, so that Node B determines which frequency to send broadcasting in, and in the message of channel configuration, need to increase frequency point information, so that terminal and Node B obtain related content.
Prior art is only distributed common signal channel at main carrier during allocation of channel resources may in above-mentioned multicarrier system, then the free time need not for the TS0 on the auxiliary carrier wave; Namely only allow to use the TS1～TS6 on the auxiliary carrier wave, TS0, special time slot (comprising DwPTS, GP, UpPTS) are on the shelf.
Because the length of a subframe is that (length of each time slot is 864Chip to 6400Chip, totally 7 time slots; The special time slot total length is 352Chip, so the total length of a subframe is 7*864+352=6400);
Length available is TS1～TS6, be total to 6*864Chip, so the power system capacity utilization rate is 81%, also be that capacitance loss on the auxiliary carrier wave is 19%, in existing multi-carrier frequency scheme, only there is a main carrier in a residential quarter, and has a plurality of auxiliary carrier waves, capacitance loss on auxiliary carrier wave reaches 19%, and this is difficult to tolerate.
In addition, because UpPCH, FPACH only are configured on the main carrier, also there is following shortcoming in prior art:
1, subscriber equipment (UE, User Equipment) can not be configured to the UE that does not support multi-carrier frequency auxiliary carrier wave when switching to this residential quarter from other residential quarter.
Because UE has carried out the minizone switching, need to be UE collocating uplink synchronization parameter. If UE does not support multi-carrier frequency, even then the auxiliary carrier wave of this residential quarter has resource, this UE can not be configured on the auxiliary carrier wave, and can only refuse this UE. This is because if radio network controller (RNC, Radio Network Controller) is configured to auxiliary carrier wave with this UE, because UE does not support multi-carrier frequency, can only dispose a frequency point information among the frequency information Frequency Info. For UE, because this UE does not support multi-carrier frequency, in the time of need carrying out uplink synchronous, can only carry out at the frequency (being auxiliary carrier wave) of RNC configuration. RNC is configured to UE on the auxiliary carrier wave, and there is not corresponding physical access channel (FPACH on the auxiliary carrier wave, Fast Physical Access Channel), therefore, UE is after auxiliary carrier wave sends Sync UL code, the response of NodeB can not be can not get, the uplink synchronous failure must be caused.
2, UE switches to this residential quarter from other residential quarter, the main carrier inadequate resource of this residential quarter, when auxiliary carrier wave has resource, very easily causes the congested of main carrier, has greatly weakened the advantage of multi-carrier frequency.
Because when UE switches to this residential quarter from other residential quarter, the UE that does not support multi-carrier frequency can not be configured to auxiliary carrier wave, the consequence that causes thus is: for the UE that does not support multi-carrier frequency, even the auxiliary carrier wave of this residential quarter have resource, as long as the main carrier inadequate resource of this residential quarter also UE can only be refused.
In handoff procedure, the UE that does not support multi-carrier frequency can only be configured on the main carrier, very easily cause the congested of main carrier, greatly weakened the advantage of multi-carrier frequency.
But in the current generation, most of UE can't support multi-carrier frequency, and the multicarrier advantage can't be brought into play.
3, in the processes such as switching, UE is assigned to auxiliary carrier wave and need to carries out the operation of open loop uplink synchronous, even for the UE that supports multi-carrier frequency, when UE is assigned to auxiliary carrier wave, cause easily makeing mistakes.
In the processes such as switching, if UE is assigned to auxiliary carrier wave and need to carries out the operation of open loop uplink synchronous, then be to comprise up DPCH code information and uplink synchronous parameter in uplink special physical channel (DPCH, the DedicatedPhysical Channel) information of UE appointment.
The uplink synchronous parameter comprises UpPCH channel, the FPACH channel that allows UE to use. Owing on auxiliary carrier wave, do not allow to use UpPCH channel, FPACH channel, therefore, can only be the uplink synchronous information on the main carrier with the uplink synchronous information analysis, that is: up DPCH code information, uplink synchronous parameter in the up DPCH information be resolved to respectively: the up DPCH code information on the auxiliary carrier wave, the uplink synchronous parameter on the main carrier. This is unallowed, is easy to cause makeing mistakes.
Summary of the invention
The technical problem that the present invention solves provides a kind of channel resource allocation method that is more conducive to utilize the subcarrier resource, with further raising multicarrier system performance.
For addressing the above problem, channel resource allocation method of the present invention comprises:
When a, allocation of channel resources may, judge whether channel to be allocated is beamf ormed channels; If, execution in step b, otherwise, execution in step c;
B, with the channel allocation of described wave beam forming to main carrier time slot, auxiliary carrier wave time slot TS0 or other time slots;
C, with channel allocation to be allocated to main carrier time slot or other time slots of auxiliary carrier wave.
Wherein, described channel to be allocated is the DPCH of distributing to subscriber equipment, and step a judges whether channel to be allocated is that beamf ormed channels also comprises before:
A10, judge whether system allows DPCH is assigned to auxiliary carrier wave, if continue to judge whether channel to be allocated is the wave beam forming DPCH; Otherwise execution in step a11;
A11, DPCH to be allocated is assigned on the main carrier corresponding time slot.
Wherein, when auxiliary carrier wave time slot TS0 is the user equipment allocation DPCH, adopt the frame method of salary distribution.
Wherein, described channel to be allocated is physical access channel, and step a judges whether channel to be allocated is that beamf ormed channels also comprises before:
A20, judge whether system allows physical access channel is assigned to auxiliary carrier wave, if continue to judge whether physical access channel to be allocated is beamf ormed channels; Otherwise execution in step a21;
A21, physical access channel to be allocated is assigned on the main carrier time slot.
Wherein, the physical access channel of described wave beam forming is assigned to auxiliary carrier wave time slot TS0 sets up the request message content by expansion Node B applying portion Common transport channel and realize, comprise the steps:
The expansion Common transport channel is set up the request message content, the scope of setting up newly-increased physical access channel in the information content of request message at described Common transport channel is 0..1, physical access channel is not set up in 0 indication, physical access channel is set up in 1 indication, be designated as at 1 o'clock in rapid physical access channel information, its corresponding absolute frequency point information is designated as auxiliary carrier wave;
When distributing physical access channel, Node B sets up request message to the Common transport channel that radio network controller sends described expansion, and the Common transport channel of described expansion sets up that absolute frequency point information is designated as time slot TS0 in the request message;
Radio network controller is set up the corresponding contents of request message and is set up physical access channel at auxiliary carrier wave time slot TS0 according to the Common transport channel of described expansion, monitor ascending pilot channel UpPCH, and return Common transport channel to Node B and set up response message.
Wherein, physical access channel to be allocated is assigned to other time slots of auxiliary carrier wave sets up the realization of request message content by expansion NBAP Common transport channel, comprise the steps:
The expansion Common transport channel is set up the request message content, the scope of setting up newly-increased physical access channel resource in the information content of request message at described Common transport channel is 0..1, physical access channel is not set up in 0 indication, physical access channel is set up in 1 indication, be designated as at 1 o'clock in rapid physical access channel information, its corresponding absolute frequency point information is designated as auxiliary carrier wave;
When distributing the physical access channel resource, Node B sets up request message to the Common transport channel that RNC sends described expansion, and the Common transport channel of described expansion sets up that absolute frequency point information is designated as one of TS1-TS6 scope in the request message;
Radio network controller is set up the corresponding contents of request message and is set up physical access channel in auxiliary carrier wave corresponding time slot according to the Common transport channel of described expansion, monitor ascending pilot channel, and return Common transport channel to Node B and set up response message.
Wherein, the ascending pilot channel on the auxiliary carrier wave that the physical access channel that disposes on the auxiliary carrier wave and permission subscriber equipment use is directly informed subscriber equipment by signaling.
Wherein, described signaling is radio resource control information.
Wherein, when distributing auxiliary carrier wave time slot TS0, reserve spread spectrum code word C16 1、C
16 2 When the broadcast channel of main carrier has adopted the empty transmit diversity of code, also reserve spread spectrum code word C16 3、C
16 4。
Compared with prior art, the present invention has the following advantages:
At first, the present invention can solve the problem of capacity loss 19 % on the auxiliary carrier wave by using the TS0 on the auxiliary carrier wave.
Secondly, when assistant carrier frequency TS0 is UE dedicated physical channels allocated resource, the mode that adopts frame to distribute. Like this, can solve when assistant carrier frequency TS0 is UE dedicated physical channels allocated resource, UE can't monitor the system information of this residential quarter, also can't measure the problem of the strength of pilot channels of this residential quarter and adjacent cell.
Secondly, the present invention is by the FPACH channel at auxiliary carrier wave configuration wave beam forming, and is little to main carrier and other cell carriers generation interference, by the described FPACH channel of configuration, subscriber equipment can be implemented in subcarrier and carry out uplink synchronous, thereby improves the utilization of subcarrier resource.
Secondly, the present invention is at FPACH channel that auxiliary carrier wave disposes and allow UpPCH channel on the auxiliary carrier wave that UE uses, by signaling the mode of system information broadcast (rather than by), directly inform UE, need not to revise the system information broadcast on the main carrier.
Again, the present invention is in the processes such as switching, if UE is assigned to auxiliary carrier wave and need to carries out the operation of open loop uplink synchronous, then in up DPCH code information and uplink synchronous parameter for comprising in the up DPCH information of UE appointment, be the information on the auxiliary carrier wave, rather than the information on the main carrier, therefore, can not make mistakes.
Description of drawings
Fig. 1 is the flow chart of the DPCH channel of distributing user equipment in the channel resource allocation method of the present invention;
Fig. 2 is the flow chart that distributes the FPACH channel in the channel resource allocation method of the present invention;
Fig. 3 is the process of setting up Common transport channel in the channel resource allocation method of the present invention.
The specific embodiment
Channel resource allocation method of the present invention is applied in the TD-SCDMA multicarrier system, and its core is allow to use on the subcarrier time slot TS0 at minor carrier, namely allows channel allocation with wave beam forming to auxiliary carrier wave time slot TS0. For example with the DPCH channel allocation of UE on subcarrier time slot TS0, can further improve the multicarrier system capacity.
Can comprise at the channel that time slot TS0 distributes descending DPCH channel, FPACH etc. among the present invention, the below describes.
With reference to figure 1, this figure is the flow chart of the DPCH channel of distributing user equipment of the present invention. Mainly comprise the steps:
At first in step 10, judge whether system allows the DPCH channel allocation to auxiliary carrier wave, if carry out step 11; Otherwise execution in step 12;
Step 11, judge whether DPCH channel resource to be allocated has carried out wave beam forming, if, execution in step 13, with the DPCH channel resource allocation of described wave beam forming to auxiliary carrier wave time slot TS0, otherwise, execution in step 14, with DPCH channel allocation to be allocated on other time slots of auxiliary carrier wave or main carrier corresponding time slot;
Step 12, with DPCH channel allocation to be allocated on the main carrier corresponding time slot.
Above-mentioned DPCH channel allocation can be applicable in the processes such as UE access, switching, namely when needs distribute DPCH channel (DPCH) for UE, if UE is assigned to auxiliary carrier wave in permission and system has carried out wave beam forming for the DPCH channel on the auxiliary carrier wave, then allow UE is assigned on the TS0 of auxiliary carrier wave.
In addition, when distributing the TS0 resource on the auxiliary carrier wave, for fear of the UE mistake DPCH channel on the auxiliary carrier wave (or FPACH channel) is used as BCH (broadcast channel), must reserves C161, C162; And when the BCH of main carrier has adopted the empty transmit diversity of code (SCTD, Space Code Transmit Diversity), must reserve C163, C164.
With reference to figure 2, this figure is the flow chart that the present invention distributes the FPACH channel. Mainly may further comprise the steps:
Step 20 judges whether system allows the FPACH channel allocation to auxiliary carrier wave, if carry out step 21; Otherwise, end operation;
Step 21, judge whether FPACH channel resource to be allocated has carried out wave beam forming, if, execution in step 22, with the FPACH channel resource allocation of described wave beam forming to auxiliary carrier wave time slot TS0, otherwise, execution in step 23 arrives other time slots of auxiliary carrier wave with FPACH channel resource allocation to be allocated.
The below describes how to set up the FPACH channel at subcarrier in detail.
Because the FPACH channel is common signal channel, for this reason, at first need expand Common transport channel and set up the request message content, set up the carrier frequency information content (representing with the information element UARFCN in the FPACH structure) of newly-increased FPACH channel in the information content of request message at described Common transport channel.
Shown in the concrete configuration table one of concrete Common transport channel COMMON TRANSPORT CHANNEL SETUP REQUEST message.
Table one
| IE/Group Name | Need | Range | IE Type | Semantics Description |
| Message Discriminator | M | 9.2.1.45 | ||
| Message Type | M | 9.2.1.46 | ||
| Transaction ID | M | 9.2.1.62 | ||
| C-ID | M | 9.2.1.9 | ||
| Configuration Generation ID | M | 9.2.1.16 | ||
| CHOICE Common Physical ChannelTo Be Configured | M | |||
| ＞PRACH | ||||
| ＞＞PRACH LCR | 0... maxnoofPRAC HLCRs | On auxiliary carrier wave, do not dispose PRACH LCR. Be that PRCH LCR occurs 0 time at auxiliary carrier wave | ||
| ＞＞＞Common Physical Channel ID | M | 9.2.1.13 | ||
| ＞＞＞TFCS | M | 9.2.1.58 | ||
| ＞＞＞Time Slot LCR | M | 9.2.3.24A | ||
| ＞＞＞TDD Channelisation Code LCR | M | 9.2.3.19a | ||
| ＞＞＞Midamble Shift LCR | M | 9.2.3.7A | ||
| ＞＞＞RACH | 1 | |||
| ＞＞＞＞Common Transport Channel ID | M | 9.2.1.14 | ||
| ＞＞＞＞Transport Format Set | M | 9.2.1.59 | For the UL | |
| ＞＞FPACH | 0..1 | Mandatory for 1.28Mcps TDD. | ||
| ＞＞＞UARFCN | O | 9.2.1.65 | Corresponds to Nt[15] This IE indicates the frequency of Secondary Carrier on which FPACH to be setup. For FPACH to be setup on Primary Carrier，this IE shall not present. | |
| ＞＞＞Common Physical Channel ID | M | 9.2.1.13 | ||
| ＞＞＞TDD ChanneLIsation Code LCR | M | 9.2.3.19a | ||
| ＞＞＞Time Slot LCR | M | 9.2.3.24A | ||
| ＞＞＞Midamble Shift LCR | M | 9.2.3.7A | ||
| ＞＞＞MaxFPACH Power | M | 9.2.3.5E |
The information content that the present invention uses in the his-and-hers watches one is simply described as follows:
＞PRACH is illustrated in Common transport channel and sets up in the request message, selects PRACH branch. Set up in the request message another at Common transport channel and branch into Secondary CCPCHs. Set up in the request message at Common transport channel, perhaps select PRACH branch or select Secondary CCPCHs branch, both essential one.
FPACH, expression needs the physical characteristic of the FPACH channel of foundation. The physical features of FPACH channel is described by FPACH subordinate's each information element UARFCN, Common Physical Channel ID, TDD Channelisation Code LCR, Time Slot LCR, Midamble Shift LCR, Max FPACH Power.
Need to prove, be after auxiliary carrier wave has disposed the FPACH channel, and Node B must detect corresponding UpPCH channel (being Sync UL code).
With reference to figure 3, this figure is that Common transport channel of the present invention is set up process.
The present invention sets up in the process in the residential quarter, the process of setting up for the Common transport channel of main carrier (being main carrier frequency), do not change, for auxiliary carrier wave, common signal channel only need dispose the FPACH channel, and does not dispose other common signal channels such as P-CCPCH, S-CCPCH (FACH, PCH, PICH), PRACH. If the FPACH channel is not carried out wave beam forming, then can not dispose the FPACH channel on the auxiliary carrier wave.
Here the FPACH channel being carried out wave beam forming, is for so that on auxiliary carrier wave, the behavior of FPACH channel is similar to DPCH, covers and need not to carry out full residential quarter. The benefit that can bring thus is as follows:
Inner at auxiliary carrier wave, owing to there is not omnidirectional's down channel, FPACH channel and DPCH interchannel can not produce serious interference; The behavior of system on auxiliary carrier wave is similar to a bearer service channels, and be fully compatible with current multi-carrier frequency scheme; Even FPACH is disposed on the TS0 of auxiliary carrier wave, also not can with main carrier on common signal channel produce severe jamming.
The below describes FPACH channel of the present invention in detail and sets up process.
Also please refer to Fig. 3, the FPACH channel is set up the process configuration by the Common transport channel of Iub interface, mainly may further comprise the steps:
When auxiliary carrier wave was set up the FPACH channel, RNC sent the Common transport channel that comprises described newly-increased auxiliary carrier wave FPACH channel information content to Node B and sets up request message;
Node B sets up the FPACH channel according to the FPACH information content that the Common transport channel of described expansion is set up request message at auxiliary carrier wave, monitors the UpPCH channel, and returns Common transport channel to RNC and set up response message.
Wherein, the Common transport channel on the auxiliary carrier wave set up process can be as required repeatedly.
After residential quarter foundation is finished, in system information broadcast subsequently, only broadcast the common signal channel configuration information on the main carrier.
In the processes such as switching, if UE is assigned to auxiliary carrier wave and need to carries out the operation of open loop uplink synchronous, then can directly inform UE by signaling message with the FPACH information on the auxiliary carrier wave in this residential quarter, and the mode by system information broadcast not. For example described signaling message comprise radio resource control information RRC (as physical channel reconfiguration message Physical Channel Reconfiguration, cell update acknowledgement message CELL UPDATE CONFIRM, instruction switch to UTRAN message HANDOVER TO UTRAN COMMAND, radio bearer reconfiguration message RADIO BEARER RECONFIGURATION, radio bearer release message RADIO BEARER RELEASE, radio bearer set up message RADIO BEARER SETUP, RRC connect set up message RRC CONNECTION SETUP, transmission channel reconfiguration message TRANSPORT CHANNEL RECONFIGURATION) in up DPCH information.
Concrete, the concrete data structure of up DPCH information is as shown in Table 2
Table two
| Information Element | Need | Multi | Type | Semantics description |
| Uplink DPCH power control info | OP | 10.3.6.91 | ||
| Uplink Timing Advance Control | OP | 10.3.6.96 | ||
| UL CCTrCH List | OP | 1to maxCCTrCH | UL physical channels to establish or reconfigure list. | |
| ＞TFCS ID | MD | Integer(1..8) | Default value is 1. | |
| ＞UL target SIR | MP | Real(-11..20by step of 0.5dB) | In dB | |
| ＞Time info | MP | 10.3.6.83 | ||
| ＞Common timeslot info | MD | 10.3.6.10 | Default is the current Common timeslot info | |
| ＞Uplink DPCH timeslots and codes | MD | 10.3.6.94 | Default is to use the old timeslots and codes. | |
| UL CCTrCH List to Remove | OP | 1... maxCCTrCH | UL physical channels to remove list | |
| ＞TFCS ID | MP | Integer(1..8) |
Up DPCH code information (Uplink DPCH timeslots and codes) and the uplink synchronous parameter (Uplink Timing Advance Control) mentioned in the literary composition have been comprised in the up DPCH message structure.
Owing to disposed the FPACH channel at auxiliary carrier wave, therefore, up DPCH code information and uplink synchronous parameter in the up DPCH message structure all belong to auxiliary carrier wave together, do not have ambiguity.
Uplink Timing Advance Control structure wherein is as shown in Table 3:
| Information Element | Need | Type | Semantics description |
| CHOICE Timing Advance | MP | ||
| ＞Disabled | Null | Indicates that no timing advance is applied | |
| ＞Enabled |
| Information Element | Need | Type | Semantics description |
| ＞＞Uplink synchronisation parameters | MD | ||
| ＞＞Synchronisation parameters | OP | ||
| ＞＞＞SYNC_UL codes bitmap | MP | Bitstring(8) | Each bit indicates availability of a SYNC_UL code， where the SYNC_UL codes are numbered″code 0″ to″code 7″. The value 1 of a bit indicates that the corresponding SYNC_UL code can be used. The value 0 of a bit indicates that the corresponding SYNC_UL code can not be used. |
| ＞＞＞FPACH info | MP | 10.3.6.35a | |
| ＞＞＞PRX UpPCHdes | MP | Integer | (-120...-58by step of 1)In dBm |
| ＞＞＞SYNC_UL procedure | MD | Default is： Max SYNC_UL Transmission is 2. Power Ramp Step is 2. | |
| ＞＞＞＞Max SYNC_UL Transmissions | MP | Integer (1，2，4，8) | Maximum numbers of SYNC_UL transmissions in a power ramping sequence. |
| ＞＞＞＞Power Ramp Step | MP | Integer (0，1，2，3) | In dB |
Comprise UE in the Uplink Timing Advance Control structure and carried out the needed UpPCH information of open loop uplink synchronous, FPACH information.
To sum up, the present invention allows to distribute UE at subcarrier TS0, and by set up the FPACH channel of wave beam forming at subcarrier, can further utilize the subcarrier resource, is conducive to improve the multicarrier system performance.
The above only is preferred embodiment of the present invention, does not consist of the restriction to protection domain of the present invention. Any any modification of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection domain of the present invention.
Claims (9)
1, a kind of method that realizes channel resource allocation is applied to it is characterized in that in the tdd CDMA multicarrier system, comprising:
When a, allocation of channel resources may, judge whether channel to be allocated is beamf ormed channels; If, execution in step b, otherwise, execution in step c;
B, with the channel allocation of described wave beam forming to main carrier time slot, auxiliary carrier wave time slot TS0 or other time slots;
C, with channel allocation to be allocated to main carrier time slot or other time slots of auxiliary carrier wave.
2, the method for realization channel resource allocation according to claim 1 is characterized in that, described channel to be allocated is the DPCH of distributing to subscriber equipment, and step a judges whether channel to be allocated is that beamf ormed channels also comprises before:
A10, judge whether system allows DPCH is assigned to auxiliary carrier wave, if continue to judge whether channel to be allocated is the wave beam forming DPCH; Otherwise execution in step a11;
A11, DPCH to be allocated is assigned on the main carrier corresponding time slot.
3, the method for realization channel resource allocation according to claim 2 is characterized in that, when auxiliary carrier wave time slot TS0 is the user equipment allocation DPCH, adopts the frame method of salary distribution.
4, the method for realization channel resource allocation according to claim 1 is characterized in that, described channel to be allocated is physical access channel, and step a judges whether channel to be allocated is that beamf ormed channels also comprises before:
A20, judge whether system allows physical access channel is assigned to auxiliary carrier wave, if continue to judge whether physical access channel to be allocated is beamf ormed channels; Otherwise execution in step a21;
A21, physical access channel to be allocated is assigned on the main carrier time slot.
5, the method for realization channel resource allocation according to claim 4, it is characterized in that, the physical access channel of described wave beam forming is assigned to auxiliary carrier wave time slot TS0 sets up the request message content by expansion Node B applying portion Common transport channel and realize, comprise the steps:
The expansion Common transport channel is set up the request message content, the scope of setting up newly-increased physical access channel in the information content of request message at described Common transport channel is 0..1, physical access channel is not set up in 0 indication, physical access channel is set up in 1 indication, be designated as at 1 o'clock in rapid physical access channel information, its corresponding absolute frequency point information is designated as auxiliary carrier wave;
When distributing physical access channel, Node B sets up request message to the Common transport channel that radio network controller sends described expansion, and the Common transport channel of described expansion sets up that absolute frequency point information is designated as time slot TS0 in the request message;
Radio network controller is set up the corresponding contents of request message and is set up physical access channel at auxiliary carrier wave time slot TS0 according to the Common transport channel of described expansion, monitor ascending pilot channel, and return Common transport channel to Node B and set up response message.
6, the method for realization channel resource allocation according to claim 4, it is characterized in that, physical access channel to be allocated is assigned to other time slots of auxiliary carrier wave sets up the realization of request message content by expansion NBAP Common transport channel, comprise the steps:
The expansion Common transport channel is set up the request message content, the scope of setting up newly-increased physical access channel resource in the information content of request message at described Common transport channel is 0..1, physical access channel is not set up in 0 indication, physical access channel is set up in 1 indication, be designated as at 1 o'clock in rapid physical access channel information, its corresponding absolute frequency point information is designated as auxiliary carrier wave;
When distributing the physical access channel resource, Node B sets up request message to the Common transport channel that radio network controller sends described expansion, and the Common transport channel of described expansion is set up in the request message absolute frequency point information and is designated as one of TS1-TS6 scope;
Radio network controller is set up the corresponding contents of request message and is set up physical access channel in auxiliary carrier wave corresponding time slot according to the Common transport channel of described expansion, monitor ascending pilot channel, and return Common transport channel to Node B and set up response message.
7, according to claim 5 or the method for 6 described realization channel resource allocation, it is characterized in that, ascending pilot channel on the auxiliary carrier wave that the physical access channel that disposes on the auxiliary carrier wave and permission subscriber equipment use is directly informed subscriber equipment by signaling.
8, the method for realization channel resource allocation according to claim 7 is characterized in that, described signaling is radio resource control information.
9, according to claim 1, the method for 2,3,4,5,6 or 8 each described realization channel resource allocation, it is characterized in that, when distributing auxiliary carrier wave time slot TS0, reserve spread spectrum code word c16 1、c
16 2 When the broadcast channel of main carrier has adopted the empty transmit diversity of code, also reserve spread spectrum code word c16 3、c
16 4。
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| CN101854720A (en) * | 2009-04-01 | 2010-10-06 | 大唐移动通信设备有限公司 | Data transmission method, system and device |
| CN101945401A (en) * | 2009-07-03 | 2011-01-12 | 中兴通讯股份有限公司 | System and method for preventing terminal measuring and scheduling conflict |
| CN101998631A (en) * | 2009-08-14 | 2011-03-30 | 大唐移动通信设备有限公司 | Method, system and device of resource allocation |
| CN101340220B (en) * | 2007-07-03 | 2012-08-08 | 鼎桥通信技术有限公司 | Time slot distribution method and apparatus based on adaptive wave beam shaping |
| CN101651954B (en) * | 2009-09-07 | 2012-10-10 | 新邮通信设备有限公司 | Method, device and system for treating conflict of data dispatching time and measuring time |
| CN101959319B (en) * | 2009-07-17 | 2013-02-13 | 鼎桥通信技术有限公司 | Information transmission method in subcarrier time slot 0 |
| CN103796328A (en) * | 2012-11-05 | 2014-05-14 | 中国移动通信集团江苏有限公司 | Scheduling method and device for dedicated physical channel of high-speed packet-access carrier waves |
| WO2016065506A1 (en) * | 2014-10-27 | 2016-05-06 | 华为技术有限公司 | Wireless communication method, system, base station, and user equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI106836B (en) * | 1998-05-25 | 2001-04-12 | Nokia Networks Oy | A method for using channels in a time division multiple access radio system and a time division multiple access radio system |
| US6584084B1 (en) * | 1999-03-01 | 2003-06-24 | Nortel Networks Ltd. | Expanded carrier capacity in a mobile communications system |
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2004
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101340220B (en) * | 2007-07-03 | 2012-08-08 | 鼎桥通信技术有限公司 | Time slot distribution method and apparatus based on adaptive wave beam shaping |
| CN101854720A (en) * | 2009-04-01 | 2010-10-06 | 大唐移动通信设备有限公司 | Data transmission method, system and device |
| CN101854720B (en) * | 2009-04-01 | 2013-04-03 | 电信科学技术研究院 | Data transmission method, system and device |
| CN101945401A (en) * | 2009-07-03 | 2011-01-12 | 中兴通讯股份有限公司 | System and method for preventing terminal measuring and scheduling conflict |
| CN101945401B (en) * | 2009-07-03 | 2014-07-02 | 中兴通讯股份有限公司 | System and method for preventing terminal measuring and scheduling conflict |
| CN101959319B (en) * | 2009-07-17 | 2013-02-13 | 鼎桥通信技术有限公司 | Information transmission method in subcarrier time slot 0 |
| CN101998631A (en) * | 2009-08-14 | 2011-03-30 | 大唐移动通信设备有限公司 | Method, system and device of resource allocation |
| CN101998631B (en) * | 2009-08-14 | 2014-08-20 | 电信科学技术研究院 | Method, system and device of resource allocation |
| CN101651954B (en) * | 2009-09-07 | 2012-10-10 | 新邮通信设备有限公司 | Method, device and system for treating conflict of data dispatching time and measuring time |
| CN103796328A (en) * | 2012-11-05 | 2014-05-14 | 中国移动通信集团江苏有限公司 | Scheduling method and device for dedicated physical channel of high-speed packet-access carrier waves |
| WO2016065506A1 (en) * | 2014-10-27 | 2016-05-06 | 华为技术有限公司 | Wireless communication method, system, base station, and user equipment |
| US10813084B2 (en) | 2014-10-27 | 2020-10-20 | Huawei Technologies Co., Ltd. | Wireless communications method and system, base station, and user equipment |
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