CN101426271A - Method and system for channel configuration - Google Patents
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Abstract
The present invention discloses a method for allocating channel, wherein the method comprises the following procedures: confirming the collocation parameter of a special scheduling requesting channel by a network side, transmitting the collocation parameter which is included in competing settling information; using the received collocation parameter by the terminal, applying the resource required for subsequent uplink transmission through the special scheduling requesting channel confirmed by the collocation parameter; and allocating the resource required for the subsequent uplink transmission through the application transmitted by the special scheduling requesting channel and the uplink scheduling signaling by the network-side receiving terminal and informing the network side of terminal to receive the special scheduling request channel application, and allocating the resource required for subsequent uplink transmission through the uplink scheduling signaling and informing the terminal. The method and system for collocating channel according to the invention make that the terminal obtains the requiring parameter collocation of special scheduling requesting channel through transmitting the parameter collocation of the special scheduling requesting channel along with various network side command to the terminal, thereby guaranteeing the normal operation of subsequent uplink transmission.
Description
Technical field
The present invention relates to mobile communication technology, be specifically related to a kind of method and system of channel configuration.
Background technology
The 3-G (Generation Three mobile communication system) technology is increasingly mature, compares the present communication technology, has stronger technical advantage, and application prospect is very wide.In order to make the 3G (Third Generation) Moblie technology can continue to carry out technology innovation, guarantee in the longer time, to have suitable competitiveness, thereby the commerce that prolongs the 3G (Third Generation) Moblie technology is used the cycle, 3GPP is studying a kind of brand-new long-term evolving network, and (Long TermEvolution, LTE) system is to satisfy the application demand of mobile communication in the following longer time.
In present LTE system, Radio Resource control (Radio Resource Control, RRC) flow process that connects the process of setting up comprises as shown in Figure 1:
Step 101: terminal sends random access leader sequence (hereinafter referred Msg1) at up direction.(Physical Random Access Channel PRACH) goes up transmission to Msg1, and according to the difference of radius of society, PRACH can be configured in the uplink pilot time slot, also can be configured in the conventional sub-frame of uplink at Physical Random Access Channel.
Step 102: after network side receives Msg1, send accidental access response (hereinafter referred Msg2) by the downlink physical shared channel at down direction.Msg2 is used for Msg1 is confirmed, the feedback timing adjustment information, and be RRC connection foundation request (hereinafter referred Msg3) dynamic assignment ascending resource of subsequent step.The delivery time of Msg2 is by the network side dynamic dispatching, may be incorporated in together at the Msg2 of a plurality of terminals to send.The required time-domain resource duration of Msg2 is the length of a subframe.
Step 103: after terminal receives one's own Msg2, according to the ascending resource transmission Msg3 of Msg2 indication.
Step 104: after network side receives Msg3, solve message (hereinafter referred Msg4) in down direction transmission competition, it is that message is set up in the RRC connection that the competition of this moment solves message.
Step 105: after terminal successfully receives Msg4, send follow-up up signaling or data (hereinafter referred Msg5) at up direction.
Set up in the process in above-mentioned RRC connection, in order to transmit Msg5 message, it is resource of the certain up channel of its configuration that terminal needs network side, but in the existing standard of LTE system, does not propose the concrete scheme how network side disposes described ascending resource.
Therefore, prior art can't be carried out up signaling or the necessary ascending resource of transfer of data for terminal configuration.
Summary of the invention
The embodiment of the invention provides a kind of method and system of channel configuration, can carry out up signaling or the necessary ascending resource of transfer of data for terminal configuration.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
A kind of method of channel configuration, this method comprises:
Network side is determined the configuration parameter of specific schedule request channel, described configuration parameter is included in the competition solution message sends to terminal;
Terminal receives the configuration parameter in the competition solution message, and the specific schedule request channel of determining by described configuration parameter carries out the application of follow-up uplink resource requirement;
The network side receiving terminal distributes the required resource of follow-up uplink and notifies terminal by the uplink scheduling signaling by the application that specific schedule request channel sends.
A kind of system of channel configuration is characterized in that, this system comprises:
Network side is determined the configuration parameter of specific schedule request channel, described configuration parameter is included in competition solves in the message and send to terminal; Receiving terminal distributes the required resource of follow-up uplink and notifies terminal by the uplink scheduling signaling by the application that specific schedule request channel sends;
Terminal receives the configuration parameter in the competition solution message, and the specific schedule request channel of determining by described configuration parameter carries out the application of follow-up uplink resource requirement; Receive the uplink scheduling signaling that network side sends.
As seen from the above technical solutions, the method and system of this channel configuration of the embodiment of the invention, be included in the network side order by parameter configuration and be handed down to terminal specific schedule request channel, make terminal know the parameter configuration of required specific schedule request channel, guarantee normally carrying out of follow-up uplink.
Description of drawings
Fig. 1 connects the schematic flow sheet of setting up for existing RRC;
Fig. 2 is the schematic flow sheet of the method for channel configuration in the embodiment of the invention;
Fig. 3 is the schematic diagram of available running time-frequency resource in the specific schedule request channel that network side distributes in the embodiment of the invention;
Fig. 4 is competition when solving message a part of for the configuration parameter of special-purpose schedule request channel in the embodiment of the invention, and RRC connects the composition structural representation of setting up message;
When Fig. 5 was a MAC layer control signaling part for the configuration parameter of special-purpose schedule request channel in the embodiment of the invention, complete competition solved the structural representation of message.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
In the embodiment of the invention flow process of the method for channel configuration as shown in Figure 2, comprising:
Step 201～step 203: identical with step 101～step 103.
Step 204: after network side receives Msg3, the parameter configuration of specific schedule request channel is included in sends to terminal among the Msg4.
Step 205: when terminal receives Msg4, also just received the configuration parameter of specific schedule request channel, utilized this configuration parameter, terminal is used the required ascending resource of specific schedule request channel request subsequent transmission Msg5.
Step 206: after network side is received specific schedule request channel request, on the physics shared control channel, distribute the employed ascending resource of Msg5 and notify terminal by the uplink scheduling signaling.
Step 207: after terminal receives described uplink scheduling signaling, carry out the uplink of Msg5 according to the ascending resource that distributes.
In the said method, because the resource of specific schedule channel is periodically to occur, therefore the specific schedule request channel request in step 205～step 206 not only can be used for the application of the required ascending resource of Msg5, after the up signaling transmission of Msg5 is finished, can also continue repeated execution of steps 205～step 206, be used for being the required ascending resource of other uplink application, and described other uplink not only comprising up signaling transmission, also can be transmitting uplink data.
In addition, in step 204, when network side when determining the resource of its employed specific schedule channel for certain terminal, in order to reduce the wait time delay of follow-up Msg5, can consider that network side carries out on the basis of the intrinsic time delay that resource distribution need consume, the most forward specific schedule channel resource on the select time, terminal is given in configuration, to reduce terminal from the stand-by period the uplink that proposes specific schedule request channel request and begin Msg5 to reality.
Below in conjunction with specific embodiment, described channel arrangement method is illustrated.
For example, after network side is received Msg3, the ascending wireless resource of monopolizing for this terminal of certain terminal distribution, these resources only offer this terminal and use, and be periodically to occur, after terminal receives these resources, just can utilize described resource as specific schedule request channel.The signal of the running time-frequency resource that this specific schedule request channel can be used as shown in Figure 3.
At this moment, in the configuration parameter of this specific schedule request channel, the channel frequency domain position is f1, and the time domain cycle is T, and the time domain original position is t0.
After terminal receives the configuration parameter of specific schedule request channel, in the resource of the specific schedule request channel that distributes, select Resource Block the earliest to carry out the specific schedule request.As shown in the figure, if it is at t1 constantly that terminal receives the configuration ginseng of the specific schedule request channel that network side sends defeated, then in the resource of the specific schedule request channel that periodically occurs in the drawings, the earliest resource on the terminal select time, i.e. t2 constantly (t2=t0+T) among the figure is as specific schedule request channel.
Network side can be the required ascending resource of terminal distribution by the physics shared control channel just after receiving the specific schedule request that t2 sends constantly.
In said process, network side is included in the configuration parameter of the specific schedule request channel that is provided with and sends to terminal among the Msg4, and following two kinds of implementations are specifically arranged:
1) with the part of configuration parameter, is included in and sends to terminal among the Msg4 as the high-level signaling information among the Msg4 (being that message is set up in the RRC connection).At this moment, the composition structural representation of the high-level signaling information among the Msg4 as shown in Figure 4.
2) configuration parameter is controlled access sub (Media Access Control as medium among the Msg4, MAC) part of control signaling, described MAC control signaling and rrc layer message (RRC be connected set up message) cascade, constitute complete Msg4 information and sending and give terminal, the structural representation of the Msg4 of this moment as shown in Figure 5.
Need to prove, except RRC connects the flow process of setting up, the embodiment of the invention can also be applied to other operation flow, such as Radio Link Failure recovery process: in the LTE system, when Radio Link Failure took place, the parameter configuration of the original specific schedule request of terminal channel might be no longer valid.At this moment, network side need reconfigure relevant parameter, therefore utilizes the described channel arrangement method of the embodiment of the invention, this parameter configuration is included in the wireless link recovery order sends to terminal.
This moment concrete flow process with Fig. 2 in the various execution modes that are connected under the situation of foundation of the RRC that provides basic identical, unique difference is that the competition solution message of this moment is not that message is set up in the RRC connection, but the link-recovery command messages.
Preferably, competition solves message can also connect reconfiguration message etc. for RRC, and specific implementation is connected under the situation of foundation basic identical with RRC, give an example no longer one by one herein.
The system of the channel configuration in the embodiment of the invention, comprising:
Network side is determined the configuration parameter of specific schedule request channel, described configuration parameter is included in competition solves in the message and send to terminal; Receiving terminal distributes the required resource of follow-up uplink and notifies terminal by the uplink scheduling signaling by the application that specific schedule request channel sends.
Terminal receives the configuration parameter in the competition solution message, and the specific schedule request channel of determining by described configuration parameter carries out the application of follow-up uplink resource requirement; Receive the uplink scheduling signaling that network side sends.
In sum, in the LTE system, the channel arrangement method of the embodiment of the invention and system are not only applicable to the RRC connection and set up process, are applicable to that too Radio Link Failure recovers to be connected reconfiguration course with RRC.
In addition, for convenience of explanation, adopted the LTE system to give an example in the embodiment of the invention, in fact, the present invention is applicable to other any wireless communication systems that shared resource is carried out fast dispatch too.
By above-mentioned explanation as can be known, the channel arrangement method of the embodiment of the invention and system, implementation are simply effective, do not increase the complexity of system simultaneously.
Therefore; understand easily, the above is preferred embodiment of the present invention only, is not to be used to limit spirit of the present invention and protection range; equivalent variations that any those of ordinary skill in the art made or replacement all should be considered as being encompassed within protection scope of the present invention.
Claims (7)
1, a kind of method of channel configuration is characterized in that, this method comprises:
Network side is determined the configuration parameter of specific schedule request channel, described configuration parameter is included in the competition solution message sends to terminal;
Terminal receives the configuration parameter in the competition solution message, and the specific schedule request channel of determining by described configuration parameter carries out the application of follow-up uplink resource requirement;
The network side receiving terminal distributes the required resource of follow-up uplink and notifies terminal by the uplink scheduling signaling by the application that specific schedule request channel sends.
2, method according to claim 1 is characterized in that, described network side determines that the method for the configuration parameter of specific schedule request channel is:
Network side is the ascending wireless resource that terminal distribution periodically occurs and monopolized by this terminal, with the indication information of the described Radio Resource configuration parameter as the specific schedule request channel of this terminal.
3, method according to claim 2 is characterized in that, described configuration parameter is included in the method that sends to terminal in the competition solution message be:
With the part of described configuration parameter, send to terminal as medium control access sub control signaling or radio resource control layer signaling.
4, method according to claim 3 is characterized in that, terminal receives the configuration parameter in the competition solution message, and the method for carrying out the application of follow-up uplink resource requirement by the definite specific schedule request channel of described configuration parameter is:
Terminal receives the configuration parameter that network side sends, select to use wireless resource as specific schedule request channel the earliest on the time in the configuration parameter, utilize described specific schedule request channel to send the specific schedule request, apply for the resource that follow-up uplink is required to network side.
5, method according to claim 1 is characterized in that, described competition solves message and is:
Message is set up in the RRC connection, RRC connects reconfiguration message or wireless link recovery message.
6, method according to claim 1 is characterized in that, described follow-up uplink is up signaling transmission, or transmitting uplink data.
7, a kind of system of channel configuration is characterized in that, this system comprises:
Network side is determined the configuration parameter of specific schedule request channel, described configuration parameter is included in competition solves in the message and send to terminal; Receiving terminal distributes the required resource of follow-up uplink and notifies terminal by the uplink scheduling signaling by the application that specific schedule request channel sends;
Terminal receives the configuration parameter in the competition solution message, and the specific schedule request channel of determining by described configuration parameter carries out the application of follow-up uplink resource requirement; Receive the uplink scheduling signaling that network side sends.
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| CN2007101764900A CN101426271B (en) | 2007-10-29 | 2007-10-29 | Method and system for channel configuration |
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| WO2011038636A1 (en) * | 2009-09-29 | 2011-04-07 | 大唐移动通信设备有限公司 | Method and user equipment for sending uplink resource scheduling request |
| WO2011079814A1 (en) * | 2009-12-31 | 2011-07-07 | 华为技术有限公司 | Contention based resource configuration method and apparatus |
| WO2011097815A1 (en) * | 2010-02-11 | 2011-08-18 | 富士通株式会社 | Contention-based uplink data transmission method, apparatus and system |
| CN102271400A (en) * | 2010-06-01 | 2011-12-07 | 中兴通讯股份有限公司 | Network side equipment and path loss power threshold configuration information transmission method thereof |
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| WO2012122924A1 (en) * | 2011-03-11 | 2012-09-20 | 华为技术有限公司 | Method, system and device for scheduling uplink data |
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Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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Effective date of registration: 20210531 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |