CN101374099A - High speed data transmission method, system and apparatus - Google Patents
High speed data transmission method, system and apparatus Download PDFInfo
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Abstract
The invention discloses a high-speed data transmission method in the communication field, which is used for improving the data transmission efficiency of a high-speed data service. The method comprises the following steps: a network party selects working carriers which are supported by at least two user terminals and are used for the high-speed data transmission; the network party notifies the user terminals of the selected working carrier information and the control channel information corresponding to the selected working carriers respectively; and during the high-speed data transmission process, the network party controls the user terminals to adopt the relevant working carriers in the selected working carriers and the control channels corresponding to the working carriers, thereby completing the transmission of the high-speed data.
Description
Technical field
The present invention relates to the wireless communication technology of the communications field, relate in particular to high-speed data transmission method, system, base station, radio network controller and user terminal.
Background technology
Along with mobile communication and Internet fast development, many to flow and the data service of delaying having relatively high expectations, as video, Streaming Media etc., continue to bring out.These business have proposed higher demand to mobile communication system, require system that higher transmission rate and littler propagation delay time are provided.For satisfying above-mentioned business demand, third generation partner plans (3GPP, 3rd Generation Partnership Project) the R7 standard has proposed high speed uplink packet access (HSUPA) business (HSUPA, High Speed Uplink Packet Access), is used to improve the transmission of uplink data performance.HSUPA is by adaptive coding and modulating (AMC, Adaptive Modulation andCoding) and mix request retransmission technology (HARQ, Hybrid Automatic Repeat request), be the good user terminal (UE of channel circumstance, User Equipment) distributes higher speed, be the lower speed of UE distribution of signal environment difference.
For supporting high speed business, HSUPA has introduced new channel model, comprise: strengthen dedicated transmission channel (E-DCH, Enhanced Dedicated Transport Channel), transmission channel as the carrying high-speed data, data on the E-DCH are mapped to later to strengthen on the uplink physical channel (E-PUCH, Enhanced Uplink Physical Channel) through processing such as encoding, interweave to be transmitted; E-DCH ascending control channel (E-UCCH, E-DCH Uplink Control Channel) is used for to base station (Node B) transmission UE phase related control information; Up enhancing absolute grant channel (E-AGCH, E-DCH absolute grantchannel), the scheduling authorization information that is used to carry E-DCH, as code channel, power information etc.; Up enhancing indicating channel (E-HICH, E-DCH HARQ indicator channel) is the control channel that is used to carry the descending indication information of E-DCH, as is used to carry affirmation (ACK, Acknowledgement) information etc. of HARQ.
In the HSUPA business, when setting up Radio Link (perhaps reconfiguring Radio Link), radio network controller (RNC, Radio Network Controller) speed that guarantees of UE can be sent to NodeB, Node B distributes E-DCH work carrier wave and corresponding control channel based on the assurance speed that receives for this UE again, then carrier wave and the corresponding control channel that distributes fed back to RNC, and be notified to UE by RNC.
When having a plurality of carrier waves can be used to carry out the HSUPA business in the sub-district, if the UE that can only support a carrier wave to transmit high-speed data is positioned at this sub-district, so, this UE just is assigned to an E-DCH work carrier wave and the control channel corresponding with this carrier wave, by above-mentioned foundation and the process that reconfigures Radio Link as can be known, changing this distribution (change of the carrier wave of for example working) must finish by layer three signaling, need up to a hundred milliseconds processing delay, this makes in the radio signal quality of work at present carrier wave, during changes such as the load condition of current carrier wave, UE can not adapt to these changes, and rapid adjustment is proceeded the HSUPA business to other work carrier wave, thereby has reduced data transmission efficiency.
In addition, if there is the UE that supports a plurality of carrier waves to transmit high-speed data to be positioned at this sub-district, so, though this UE can be assigned to a plurality of work carrier waves that can carry out high-speed data service and reach and each carrier wave control corresponding channel, but it is same owing to change work carrier wave is still finished by layer three signaling, processing delay is long, make the UE that supports multicarrier also can not therefore reduce the data transmission efficiency of HSUPA business according to the signal quality of work at present carrier wave, the situation rapid adjustment work at present carrier wave and the relevant configuration such as load of work at present carrier wave.
Summary of the invention
The invention provides a kind of high-speed data transmission method, system, Node B, RNC and UE, to improve the data transmission efficiency of high-speed data service.
The invention provides a kind of high-speed data transmission method, comprise step: network side is selected the work carrier wave that is used for high speed data transfer of at least two user terminal supports; The work carrier information that network side will be selected, and corresponding with the work carrier wave of each selection respectively control channel information be notified to described user terminal; And in the high speed data transfer process, the network controls user terminal uses relevant work carrier wave and the corresponding control channel thereof in the work carrier wave of described selection, finishes the transmission of high-speed data.
The invention also discloses a kind of high speed data transmission system, comprising: the base station is used at least two of the support of user terminal selecting user terminal to be used for the work carrier wave of high speed data transfer and corresponding with the work carrier wave of each selection respectively control channel; And when transmitting high speed data, in the work carrier wave and corresponding control channel of described selection, the switching of control user terminal takies the different operating carrier wave and corresponding control channel comes transmitting high speed data; Radio network controller, be used for described base station be user terminal selecting the work carrier information, and control channel information corresponding with each carrier wave of working be notified to user terminal; User terminal, be used to receive and identify the work carrier information and the corresponding control channel information of described radio network controller notice, and when transmitting high speed data, take in the work carrier wave of described selection the corresponding work carrier wave based on the control of described base station and come transmitting high speed data with this work carrier wave control corresponding channel.
The invention also discloses a kind of base station, comprising: work carrier wave selected cell, at least two work carrier waves that are used for high speed data transfer of selection user terminal support; Work carrier wave notification unit, the work carrier information that is used for selecting, and corresponding with the work carrier wave of each selection respectively control channel information be notified to described user terminal; And control unit, being used in the high speed data transfer process, the control user terminal switches the control channel that takies different carrier and correspondence thereof in the work carrier wave of described selection, finish the transmission of high-speed data.
The invention also discloses a kind of radio network controller, comprising: receiving element is used to receive and identify the frequency of work carrier wave of the selection of sending the base station and the configuration information of corresponding control channel; Control channel carrier frequency acquiring unit, the configuration information that is used for the control channel that receives and identify according to described receiving element obtains the frequency of control channel place carrier wave; Notification unit is used for the configuration information of the frequency of the work carrier wave that will select, corresponding control channel and the frequency of described control channel place carrier wave and is notified to user terminal.
The invention also discloses a kind of user terminal, comprising: receiving element is used to receive and identify frequency, the configuration information of corresponding control channel and the frequency of described control channel place carrier wave of the work carrier wave that radio network controller sends; Monitoring unit is used to monitor described each control channel, and sends the information that is used to control the user terminal transmitting high speed data from described control channel reception base station; Data transmission unit is used for the described information that listens to according to monitoring unit, switches the different carrier that takies in institute's carrier wave that shares out the work and the control channel of correspondence thereof, finishes the transmission of high-speed data.
At least two the work carrier waves of the embodiment of the invention by selecting user terminal to support, and the work carrier wave that will select, reach corresponding with the work carrier wave of each selection respectively control channel and be notified to described user terminal; And in the high speed data transfer process, the control user terminal switches different carrier and corresponding control channel thereof in the work carrier wave that takies described selection, finishes the transmission of high-speed data, thereby has realized the enhancing of data transmission performance.Owing to selected at least two work carrier waves, so can be by of the change of Node B scheduler according to factors such as the signal quality of each distributing carrier wave, Load distribution, in time control UE uses the carrier wave of more suitably working to come the transmitting high speed data business, the range of choice and the reasonability of work carrier wave have been increased, and accelerated to switch the switch speed of the carrier wave that is used to carry high-speed data service, thereby strengthened the performance of transfer of data.
Description of drawings
Fig. 1 carries out the flow chart of high speed data transfer for the embodiment of the invention;
Fig. 2 is the schematic diagram of the concrete transmission course of HSUPA business datum in the embodiment of the invention;
Fig. 3 is the structural representation of the high speed data transmission system of embodiment of the invention proposition;
Fig. 4 is the structural representation of the base station of embodiment of the invention proposition;
Fig. 5 is the structural representation of the RNC of embodiment of the invention proposition;
Fig. 6 is the structural representation of the UE of embodiment of the invention proposition.
Embodiment
By the analysis of background technology as can be known, owing to only support a UE who transmits the carrier wave of high speed business data, in the sub-district that can support a plurality of work carrier waves that can be used for the high speed business transfer of data, when carrying out HSUPA business or the operation of other high-speed data service, UE can only be assigned to a work carrier wave and associated control channel thereof, and because adjustment UE carrier wave and relevant configuration need layer three signaling just can finish, therefore limited the quick switching of UE on a plurality of carrier waves, reduce the switch speed of UE work carrier wave, thereby reduced the data transmission efficiency of high-speed data service.At the problems referred to above, the embodiment of the invention proposes: at least two work carrier waves that transmit high-speed datas selecting user's support for this UE, and according to radio signal quality, the Load distribution of work carrier wave and/or the information such as annoyance level that are subjected to, by Node B in the work carrier wave of above-mentioned selection, directly control UE switch operating carrier transmission high-speed data, make UE not need just can realize the adjustment of work carrier wave by layer three signaling, accelerate regulating the speed of UE work carrier wave, improved data transmission efficiency.
Be explained in detail to the realization principle of technical solution of the present invention, embodiment and to the beneficial effect that should be able to reach below in conjunction with each accompanying drawing.
Design philosophy of the present invention is: network side is selected the work carrier wave that is used for high speed data transfer of at least two user terminal supports; The work carrier information that network side will be selected, and corresponding with the work carrier wave of each selection respectively control channel information be notified to described user terminal; And in the high speed data transfer process, the network controls user terminal uses relevant work carrier wave and the corresponding control channel thereof in the work carrier wave of described selection, finishes the transmission of high-speed data.
Wherein above-mentioned when selecting at least two work carrier waves for UE, for UE has distributed and the corresponding control channel of each work carrier wave simultaneously, be used to make UE to pass through monitoring control channel, can know scheduling authorization information.
Fig. 1 carries out the flow chart of high speed data transfer for the embodiment of the invention, and as known in the figure, in the embodiment of the invention, the high speed data transfer process comprises the steps:
Wherein, the factor of enumerating in this step only is typical factor, when practical application this programme shares out the work carrier wave, can select for example also to consider the factors such as interference between the different carrier in requisition for the factor of considering according to actual conditions.
In addition, these work carrier waves of selecting for UE only are to say that UE can use these carrier waves to transmit high-speed data herein, are not that UE must use each work carrier wave of selection to transmit high-speed data.
In the HSUPA business, described work carrier wave is the carrier wave at E-DCH place, and control channel is E-AGCH and E-HICH, and above-mentioned notification procedure can be:
At first the configuration information of frequency, E-AGCH and the E-HICH of E-DCH is contained in Radio Link and sets up response message (RL Setup Response by Node B, Radio Link Setup Response) in the E-DCH TDD Information Response information element, sends to RNC;
Table 1 is the part definition list of the E-DCH TDD Information Response information element of embodiment of the invention proposition, the definition of information element is based on the standard definition of 3GPP standard TS25.433 in this table, increased the frequency (UARFCN of assignment carrier wave newly, UTRA absolute radio frequencychannel number) and the configuration of the corresponding control channel of each carrier wave, be the configuration (E-AGCH/E-HICH Specific Information ResponseLCR per UARFCN) of E-AGCH and E-HICH in the HUSPA business, above-mentioned newly-increased part shows with black matrix in table 1.
| IE/Group?Name | Presence | Range | IET?ype?and Reference | Semantics?Description |
| E-RNTI | M | 9.2.1.75 | ||
| E-AGCH /E-HICHSpecific Information?Response LCR?per?UARFCN | 0..<maxH SUPAFreq uency> | |||
| >E-AGCH?Specific Information?Response TDD | 0..<maxN oOfEAGC Hcodes> | |||
| >>E-HICHIDTDD | M | 9.2.3.51a | ||
| >UARFCN | O | 9.2.1.65 | Corresponds?to?Nt(3GPP?TS 25.105) Applicable?for?1.28Mcps?TDD when?using?multiple frequencies. |
Table 1
Wherein, Presence represents on the hurdle that this is an option, and Type and Reference hurdle is illustrated in the position of explaining this in the 3GPP standard in detail, and the Range hurdle has provided the frequency range of the carrier wave that distributes.In specific implementation process, Node B can send to RNC with the frequency of above-mentioned assignment carrier wave and the configuration information of corresponding control channel according to the definition of above-mentioned E-DCH TDD Information Response information element.
| Information Element/Group?name | Need | Multi | Type and reference | Semantics description | Ver sion |
| >>>>TPC?step?size | MP | Integer(1，2， 3) | dB. | REL-7 | |
| >>>>E-AGCH?Specific Information?Response?LCR per?UARFCN | 0..<maxHS UPAFrequ ency> | ||||
| >>>>>E-AGCH?set configuration | MP | <1to maxNumE -AGCH> | REL-7 | ||
| >>>>>>Midamble?Shift | CV-UE specific | Integer (0..15) | REL-7 | ||
| >>>>>UsedF?requency | O | UARFCN 9.2.1.65 | Applicable?for 1.28Mcps?TDD when?using multiple frequencies.this IE?indicates?the frequency?of carrier?which?is actually?used?by the?E-AGCH. | ||
| >>>>>UARFCN | O | 9.2.1.65 | Corresponds?to?Nt (3GPPTS 25.105) Applicable?for 1.28Mcps?TDD when?using multiple frequencies. | ||
| >>>>>E-AGCH?BLER?target | MP | Real(-3.15to 0step0.05) | REL-7 |
Table 2
Then, RNC is at Radio Resource control radio bearer foundation/replacement (RRC RBS/RBR, in the E-AGCH Info/E-HICH Info information element of RadioResource Control Radio Bearer Setup/Reconfiguration message, add configuration information and the E-AGCH that obtains according to this configuration information and the frequency (with reference to table 2 and table 3) of E-HICH place carrier wave of frequency, E-AGCH and the E-HICH of the E-DCH receive, and be notified to UE.Wherein this frequency can be identical with the frequency of E-DCH channel place carrier wave, also can be inequality.
Table 2 is the part definition list of the E-AGCH Information information element of embodiment of the invention proposition, definition shown in this table is based on the standard definition of 3GPP standard T25.331, increased the configuration information (E-AGCH Specific Information Response LCR perUARFCN) of every carrier wave E-AGCH, the frequency (Used Frequency) of E-AGCH channel place carrier wave and the frequency (UARFCN) of E-DCH channel place carrier wave newly, newly-increased content shows with runic in table 2.
| Information?Element/Group name | Need | Multi | Type and reference | Semantics description | Ver sion |
| >>>NE-HIcH | MP | Integer (4..15) | Minimum?number of?slots?between start?last?active slot?of?E-DCH?TTI and?start?of ACK/NACK?on E-HICH | REL-7 | |
| >>>>E-HICH?Specific Information?Response?LCR per?UARFCN | 0..<maxHS UPAFrequ ency> | ||||
| >>>>>E-HICH?set?configuration | <1to maxNumE- HICH> | REL-7 | |||
| >>>>>>Midamble?Shift | CV-UE specific | I?nteger (0..15) | REL-7 | ||
| >>>>>UsedFrequency | O | UARFCN 9.2.1.65 | Applicable?for 1.28Mcps?TDD when?using multiple frequencies.this IE?indicates?the frequency?of carrier?which?is actually?used?by the?E-HICH. | ||
| >>>>>UARFCN | O | 9.2.1.65 | Corresponds?to?Nt (3GPP?TS 25.105) Applicable?for 1.28Mcps?TDD when?using multiple frequencies. |
Table 3
Table 3 is the part definition list of the E-HICH Information information element of embodiment of the invention proposition, definition shown in this figure is the standard definition based on 3GPP standard T25.331 equally, increased the configuration information (E-HICH Specific Information Response LCR perUARFCN) of every carrier wave E-HICH, the frequency (Used Frequency) of E-HICH channel place carrier wave and the frequency (UARFCN) of E-DCH channel place carrier wave newly, newly-increased content shows with runic in table 3.
Wherein, the Need hurdle in table 2 and the table 3 represents that this is an essential option, and Multi represents on the hurdle that this can occur repeatedly, and Type and Reference hurdle is illustrated in the position of explaining this in the 3GPP standard in detail, and the Range hurdle has provided the frequency range of the carrier wave that distributes.
Certainly, above-mentioned only is that carrier frequency and the control channel that will select is notified to RNC, and a kind of preferable advice method when being notified to UE by RNC, as long as in fact can reach above-mentioned selection result is notified to RNC, and being notified to the purpose of UE by RNC, the implementation of this step can have multiple so.
Wherein dispatch request comprises that request resource sends the solicited message of data and the report information of UE state, information such as data volume for example to be sent.
In addition, Node B can make UE be known as the frequency of its work carrier wave of choosing by dual mode:
A kind of mode is: owing to be that UE assignment carrier wave is corresponding with control channel, therefore, as long as it is the scheduling arrangement of sending from which control channel that UE monitors Node B, so according to the corresponding relation between work carrier wave and the control channel, which carrier wave of working what UE just can judge that Node B is that UE chooses is.For example in the HSUPA business, each E-DCH is respectively with how corresponding mutually to control channel (E-AGCH and E-HICH), when Node B utilizes E-AGCH to dispatch to arrange to be notified to UE, UE can just can be informed in transmitting high speed data on which E-DCH work carrier wave according to being the scheduling arrangement that receives from which E-AGCH.
Another mode is: increase information unit on AGCH, the frequency that is used for E-DCH work carrier wave that will choose sends UE to, so that UE transmits high-speed data on the work carrier wave of choosing, this moment, UE did not just need to judge which E-DCH work carrier wave of choosing according to E-AGCH.
What the information unit that wherein increases transmitted is the frequency of E-DCH work carrier wave, can certainly be other carrier information of E-DCH work carrier wave, for example carrier identification etc.
Wherein communication capacity information is meant the factor that influences work carrier communication ability, includes but not limited to the signal quality of work carrier wave, the information such as annoyance level of loading and/or being subjected to.
When annoyance level that communication capacity information refers to signal quality, loads and/or is subjected to, a kind of mode of Node B switch operating carrier wave is: in the work carrier wave of described selection, when user terminal is compared with the work carrier wave that takies at current unappropriated work carrier wave, when the interference that signal quality better, load is lower and/or be subjected to was light, the control user terminal switched to the transmission of finishing high-speed data on the described unappropriated work carrier wave.
Below by the detailed process of HSUPA transfer of data the specific implementation step of above-mentioned flow process being described, is example with packet switching (PS, Packet Switched) business.
Fig. 2 is the schematic diagram of the concrete transmission course of HSUPA business datum in the embodiment of the invention, and as known in the figure, the detailed process of HSUPA transfer of data is:
A1, in the RANAP of Iu interface, CN sends RAB request for allocation (RAB ASSIGNMENT REQUEST to RNC, Radio Access Bearer ASSIGNMENTREQUEST) message, this message comprises the relevant information of the traffic performance and the Iu interface of this PS territory business, and RNC is the radio bearer that UE sets up PS territory business with indication;
A2, in the NBAP of Iub interface agreement, RNC sends Radio Link to Node B and sets up request (RLSetup Request, Radio Link Setup Request) message, and this message comprises the relevant information of Iub interface and from the traffic performance in the PS territory that CN receives;
A3, Node B is according to the service feature parameter of the PS business that receives and the customizing messages of self grasping, for example mainly contain: the occupation condition of the radio signal quality situation of current area different carrier, the business of current area different carrier, current area are in information such as the disturbed condition of different carrier and UE abilities, be PS traffic assignments HSUPA resource, this resource is included as the configuration of a plurality of E-DCH work carrier waves that UE selects and corresponding with each E-DCH respectively E-AGCH/E-HICH;
Wherein each E-DCH is corresponding many respectively to control channel, and described many to the also only corresponding E-DCH of control channel, and each all comprises E-AGCH and E-HICH to control channel.The frequency of the carrier frequency at E-AGCH and E-HICH place and E-DCH work carrier wave both can be the same or different in addition.
A4, Node B sends RL Setup Response message to RNC, and selection result is notified to RNC; Comprise in the message: a plurality of E-PUCH carrier informations of selection, many frequencies, time slot and code channel assignment information E-AGCH/E-HICH, many map informations to E-AGCH/E-HICH and a plurality of E-PUCH carrier frequencies etc., wherein the frequency of E-PUCH carrier wave is the frequency of E-DCH work carrier wave.
A5, RNC sends RRC message to UE, and the parameter configuration of the professional HSUPA resource of PS is sent to UE; This parameter configuration comprises the configuration information of available E-PUCH work carrier wave (Usable E-PUCHcarriers), E-AGCH and E-HICH and the frequency information such as (mapping betweenE-HICH/E-AGCH and E-PUCH carriers) of place carrier wave.
A6, the UE side has upstream data to arrive;
A7, UE sends dispatch request (Scheduling Request/SchedulingInformation) to Node B, is used for request resource and reports its state;
A8, Node B receives after this scheduling request information, by Node B based on the Load distribution of each carrier wave in E-DCH channel quality, the sub-district and/or the information such as annoyance level that are subjected to, in the E-DCH work carrier wave of selecting, choose one or more E-DCH work carrier waves send high-speed data as UE work carrier wave;
A9, Node B sends to UE with the E-AGCH of scheduling authorization (Granted Resources) by this E-DCH correspondence;
A10, UE are after receiving scheduling authorization from this E-AGCH, and UE judges the E-DCH work carrier frequency corresponding with it according to this E-AGCH, then upstream data is carried on the E-PUCH of this E-DCH mapping;
A11 sends to Node B with the data that are carried on the E-PUCH;
A12, Node B selects the E-HICH corresponding with this E-PUCH based on the E-PUCH work carrier wave that distributes;
A13, Node B sends HARQ ACK or NACK message based on the E-HICH that selects to UE, whether needs the message that retransmits with the upstream data that receives to the UE feedback.
Wherein in the step a10, UE judges by the E-AGCH that receives scheduling authorization which work carrier wave high-speed data is carried on, in fact, Node B can also increase information unit on E-AGCH, the work frequency of carrier wave of the E-DCH that is about to choose for UE also utilizes E-AGCH to send to UE, then in the step a10, it is exactly optional that UE judges this step of the E-DCH corresponding with it according to E-AGCH.
By said process, UE has begun the transport process of high-speed data, in data transfer procedure, and Node
B can monitor the radio signal quality of the above-mentioned E-DCH work carrier wave of selecting for UE, Load distribution and/or the factors such as interference that are subjected to, and according to these situations, control UE switches E-DCH work carrier wave and corresponding control channel (E-AGCH and E-HICH), for example monitor the signal quality variation of the E-DCH place carrier wave of current UE transmission data as Node B, after carrier load interference big and/or that be subjected to is big, Node B can be in a plurality of work carrier waves of selecting for UE, it is good to choose other signal quality, the less carrier wave of other load interference less and/or that other is subjected to, and on the control channel E-AGCH of the carrier wave correspondence that this is chosen, send scheduling authorization to UE; When UE listens to scheduling authorization is when this E-AGCH sends, and just that the upstream data carrying is corresponding with this E-AGCH E-PUCH goes up the transmission data.Like this, when UE transmits high-speed data, Node B just can be according to signal quality and/or the Load distribution of carrier wave and/or the factors such as annoyance level that are subjected to of carrier wave, in time adjust work carrier wave and the associated control channel of UE, and needn't could adjust by layer three signaling, accelerated to regulate the speed, improved data transmission performance.
Wherein except carrier load distribution and/or signal quality and/or the communication capacity information such as annoyance level that are subjected to, it is also conceivable that the frequency that makes Node B come the switch operating carrier wave, for example scheduling strategy of NodeB etc. according to other factors.
In the above-mentioned steps, when selecting the work carrier wave for UE, selection all be the work carrier wave that UE can support, in fact,, also may implement the scheme of embodiment of the invention proposition if in the work carrier wave of selecting for UE, comprised the work carrier wave that UE can not support:
If in the work carrier wave of selecting for UE, comprised the work carrier wave that UE can not support, so can be only selecting, and in the work carrier wave supported of UE, for UE chooses and control UE switch operating carrier wave and corresponding control channel, to finish the transmission of high-speed data.
High speed business data transmission method based on above-mentioned proposition, the embodiment of the invention provides a kind of high speed data transmission system, Fig. 3 is the structural representation of the high speed data transmission system of embodiment of the invention proposition, and as known in the figure, the high speed data transmission system that the embodiment of the invention proposes comprises:
When transmitting high speed data, in the work carrier wave and corresponding control channel of described selection, the switching of control user terminal takies the different operating carrier wave and corresponding control channel comes transmitting high speed data;
The embodiment of the invention has also proposed a kind of base station, and Fig. 4 is the structural representation of the base station of embodiment of the invention proposition, and as known in the figure, described base station 10 comprises:
Work carrier wave selected cell 11, at least two work carrier waves that are used for high speed data transfer of selection user terminal support;
Work carrier wave notification unit 12, the work carrier information that is used for selecting, and corresponding with the work carrier wave of each selection respectively control channel information be notified to described user terminal; And
The carrier wave selected cell 11 of wherein working generally selects to be used for for UE the work carrier wave of transmitting high speed data according to factors such as the quality of service feature parameter, UE ability and the current area wireless carrier of UE business, Load distribution.
Because Node B need could give UE with the work allocation of carriers of selecting by RNC,, work carrier wave notification unit 12 is used for being notified to the subelement of RNC based on will the work configuration information of the frequency of work carrier wave of carrier wave selected cell 11 selections and control channel of RL Setup Response message so comprising.
Wherein based on RL Setup Response message above-mentioned information to be notified to RNC only be a kind of preferred embodiment to this subelement, and in fact, this subelement also can take other means that above-mentioned information is notified to RNC.
Be used to monitor the subelement of the communication capacity information that each work carrier wave that described work carrier wave selected cell 11 selects can support; And
Be used for when the work carrier wave that is not taken by user terminal monitors the strong carrier wave of the communication capacity that can support than the work carrier wave that is taken by user terminal, the control user terminal switches to the subelement that continues transmitting high speed data on this unappropriated work carrier wave that monitors.
The embodiment of the invention also provides a kind of RNC, so that the work carrier wave of Node B selection and the configuration information of corresponding control channel are notified to UE.
Fig. 5 is the structural representation of the RNC of embodiment of the invention proposition, and as known in the figure, the RNC20 that the embodiment of the invention proposes comprises:
Receiving element 21 is used to receive and identify the frequency of work carrier wave of the selection that Node B sends and the configuration information of corresponding control channel;
Control channel carrier frequency acquiring unit 22, the configuration information that is used for the control channel that receives and identify according to described receiving element 21 obtains the frequency of control channel place carrier wave;
The embodiment of the invention also provides a kind of UE, with the high-speed data transmission method of supporting that the embodiment of the invention proposes.
Fig. 6 is the structural representation of the UE of embodiment of the invention proposition, and as known in the figure, the UE 30 that the embodiment of the invention proposes comprises:
Receiving element 31 is used to receive and identify frequency, the configuration information of corresponding control channel and the frequency of described control channel place carrier wave of the work carrier wave that RNC sends;
Monitoring unit 32 is used to monitor described each control channel, and sends the information that is used to control the user terminal transmitting high speed data from described control channel reception Node B;
Wherein said data transmission unit 33 specifically comprises:
Be used for the shared control channel of information, determine the subelement of the work carrier wave of this occupied control channel correspondence according to described control user terminal transmitting high speed data; And
Be used on the work carrier wave of determining and continue the subelement of transmitting high speed data on the corresponding control channel.
But the information that receives when described monitoring unit 32 comprises when being used in reference to the bright carrier information that switches to which work carrier wave, describedly determine that according to control channel the subelement of work carrier wave is optional, at this moment, data transmission unit 33 just can transmit high-speed data according to the information that monitoring unit 32 receives on the work carrier wave that switches to.
Wherein carrier information can but to be not limited to be carrier frequency or carrier identification.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (22)
1. a high-speed data transmission method is characterized in that, comprises step:
Network side is selected the work carrier wave that is used for high speed data transfer of at least two user terminal supports;
The work carrier information that network side will be selected, and corresponding with the work carrier wave of each selection respectively control channel information be notified to described user terminal; And
In the high speed data transfer process, the network controls user terminal uses relevant work carrier wave and the corresponding control channel thereof in the work carrier wave of described selection, finishes the transmission of high-speed data.
2. the method for claim 1 is characterized in that, according to the signal quality of each carrier wave in high-speed data service type, the sub-district, the Load distribution of each carrier wave and the ability information selection work carrier wave of user terminal.
3. the method for claim 1 is characterized in that, the described work carrier information that will select and control channel information are notified to user terminal and specifically comprise the steps:
Set up the frequency of the work carrier wave that response message will select and the configuration information of control channel is notified to radio network controller based on Radio Link;
Radio network controller obtains the frequency of control channel place carrier wave according to the configuration information of control channel;
Radio network controller is notified to user terminal based on frequency, the configuration information of control channel and the frequency of control channel place carrier wave of the work carrier wave that radio resource control information will be selected.
4. the method for claim 1 is characterized in that, the detailed process that the control user terminal switches different carrier in the work carrier wave take described selection and corresponding control channel thereof comprises:
Monitor the communication capacity information that each work carrier wave of described selection can be supported; And
When monitoring the strong carrier wave of the communication capacity that can support than the work carrier wave that is taken by user terminal in the work carrier wave that is not taken by user terminal, the control user terminal switches on this unappropriated work carrier wave that monitors and the corresponding control channel thereof and continues transmitting high speed data.
5. method as claimed in claim 4 is characterized in that, the detailed process that the control user terminal switches to described work carrier wave comprises:
In the strong work carrier wave of the communication capacity that monitors, choose the work carrier wave for user terminal;
On the control channel of the described work carrier wave correspondence of choosing, send the information that is used to control the user terminal transmitting high speed data, comprise the carrier information of the described work carrier wave of choosing in this information to user terminal;
User terminal receive described be used to control the information of user terminal transmitting high speed data after, according to the carrier information that this information comprises, switch on corresponding work carrier wave and the corresponding control channel thereof and continue transmitting high speed data.
6. method as claimed in claim 5 is characterized in that, described carrier information is carrier frequency or carrier identification.
7. method as claimed in claim 4 is characterized in that, the detailed process that the control user terminal switches to described work carrier wave comprises:
In the strong work carrier wave of the communication capacity that monitors, choose the work carrier wave for user terminal;
On the control channel of the described work carrier wave correspondence of choosing, send the information that is used to control the user terminal transmitting high speed data to user terminal;
User terminal is after receiving described information, and the control channel that takies according to described information is determined the work carrier wave of the transmitting high speed data of this occupied control channel correspondence;
User terminal switches on described definite work carrier wave and continues transmitting high speed data.
8. as the described method of 4 to 7 any one claim, it is characterized in that the communication capacity information that described work carrier wave can be supported characterizes based on signal quality, the load condition of carrier wave and/or the disturbed condition that is subjected to.
9. as the described method of 1 to 7 any one claim, it is characterized in that described work carrier wave is the work carrier wave that strengthens dedicated transmission channel in the high speed uplink packet access (HSUPA) business; And
The control channel of described work carrier wave correspondence is up enhancing absolute grant channel and up enhancing indicating channel.
10. a high speed data transmission system is characterized in that, comprising:
The base station is used at least two of the support of user terminal selecting user terminal to be used for the work carrier wave of high speed data transfer and corresponding with the work carrier wave of each selection respectively control channel; And
When transmitting high speed data, in the work carrier wave and corresponding control channel of described selection, the switching of control user terminal takies the different operating carrier wave and corresponding control channel comes transmitting high speed data;
Radio network controller, be used for described base station be user terminal selecting the work carrier information, and control channel information corresponding with each carrier wave of working be notified to user terminal;
User terminal, be used to receive and identify the work carrier information and the corresponding control channel information of described radio network controller notice, and when transmitting high speed data, take based on the control of described base station in the work carrier wave of described selection the corresponding work carrier wave and with this work carrier wave control corresponding channel, come transmitting high speed data.
11. a base station is characterized in that, comprising:
Work carrier wave selected cell, at least two work carrier waves that are used for high speed data transfer of selection user terminal support;
Work carrier wave notification unit, the work carrier information that is used for selecting, and corresponding with the work carrier wave of each selection respectively control channel information be notified to described user terminal; And
Control unit is used in the high speed data transfer process, and the control user terminal switches the control channel that takies different carrier and correspondence thereof in the work carrier wave of described selection, finish the transmission of high-speed data.
12. base station as claimed in claim 11 is characterized in that, described work carrier wave selected cell is according to the signal quality of each carrier wave in high-speed data service type, the sub-district, the Load distribution of each carrier wave and the ability information selection work carrier wave of user terminal.
13. base station as claimed in claim 11, it is characterized in that described work carrier wave notification unit comprises the subelement that is used for being notified to based on the configuration information that Radio Link is set up the frequency of the work carrier wave that response message will select and control channel radio network controller.
14. base station as claimed in claim 11 is characterized in that, described control unit specifically comprises:
Be used to monitor the subelement of the communication capacity information that each work carrier wave of described selection can support; And
Be used for when the work carrier wave that is not taken by user terminal monitors the strong carrier wave of the communication capacity that can support than the work carrier wave that is taken by user terminal, the control user terminal switches to the subelement that continues transmitting high speed data on this unappropriated work carrier wave that monitors.
15. base station as claimed in claim 14 is characterized in that, the communication capacity information that described work carrier wave can be supported characterizes based on signal quality, the load condition of carrier wave and/or the disturbed condition that is subjected to.
16., it is characterized in that described work carrier wave is the work carrier wave that strengthens dedicated transmission channel in the high speed uplink packet access (HSUPA) business as the described base station of 11 to 15 any one claim; And
The control channel of described work carrier wave correspondence is up enhancing absolute grant channel and up enhancing indicating channel.
17. a radio network controller is characterized in that, comprising:
Receiving element is used to receive and identify the frequency of work carrier wave of the selection of sending the base station and the configuration information of corresponding control channel;
Control channel carrier frequency acquiring unit, the configuration information that is used for the control channel that receives and identify according to described receiving element obtains the frequency of control channel place carrier wave;
Notification unit is used for the configuration information of the frequency of the work carrier wave that will select, corresponding control channel and the frequency of described control channel place carrier wave and is notified to user terminal.
18. radio network controller as claimed in claim 17 is characterized in that, described work carrier wave is the work carrier wave that strengthens dedicated transmission channel in the high speed uplink packet access (HSUPA) business; And
The control channel of described work carrier wave correspondence is up enhancing absolute grant channel and up enhancing indicating channel.
19. a user terminal is characterized in that, comprising:
Receiving element is used to receive and identify frequency, the configuration information of corresponding control channel and the frequency of described control channel place carrier wave of the work carrier wave that radio network controller sends;
Monitoring unit is used to monitor described each control channel, and sends the information that is used to control the user terminal transmitting high speed data from described control channel reception base station;
Data transmission unit is used for the described information that listens to according to monitoring unit, switches the different carrier that takies in institute's carrier wave that shares out the work and the control channel of correspondence thereof, finishes the transmission of high-speed data.
20. user terminal as claimed in claim 19 is characterized in that, the information of described control user terminal transmitting high speed data comprises the carrier information of work carrier wave;
Described data transmission unit is according to the carrier information of work carrier wave, switches on corresponding work carrier wave and the corresponding control channel thereof to continue transmitting high speed data.
21. user terminal as claimed in claim 19 is characterized in that, described data transmission unit specifically comprises:
Be used for the shared control channel of information, determine the subelement of the work carrier wave of this occupied control channel correspondence according to described control user terminal transmitting high speed data;
Be used on the work carrier wave of determining and continue the subelement of transmitting high speed data on the corresponding control channel.
22., it is characterized in that described work carrier wave is the work carrier wave that strengthens dedicated transmission channel in the high speed uplink packet access (HSUPA) business as the described user terminal of 19 to 21 any one claim; And
The control channel of described work carrier wave correspondence is up enhancing absolute grant channel and up enhancing indicating channel.
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| CN 200710120696 CN101374099B (en) | 2007-08-23 | 2007-08-23 | High speed data transmission method, system and apparatus |
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| CN 200710120696 CN101374099B (en) | 2007-08-23 | 2007-08-23 | High speed data transmission method, system and apparatus |
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