CN102006635A - Data transmission method and system - Google Patents
Data transmission method and system Download PDFInfo
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- CN102006635A CN102006635A CN2009101689538A CN200910168953A CN102006635A CN 102006635 A CN102006635 A CN 102006635A CN 2009101689538 A CN2009101689538 A CN 2009101689538A CN 200910168953 A CN200910168953 A CN 200910168953A CN 102006635 A CN102006635 A CN 102006635A
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Abstract
The invention discloses a data transmission method and a data transmission system. The method comprises the following step of: performing data exchange between an access terminal and an access network through a connectionless channel. Through the method and the device, the problems that an abrupt service of which a transmitted data packet is small is packaged in a signaling, and the transmission rate is low, the signaling transmission is influenced, the channel is jammed and the like by transmitting in a signaling mode, or the problem that abrupt data is transmitted in a connection-based data transmission mode, so that frequent disconnection and connection between the access terminal and the access network are required, the terminal consumes more electricity, the processing efficiency of the access network is influenced, null interface resources are wasted and the like in the related technology are solved, so that the jamming of the signaling channel or the aggravation of the jamming is avoided.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of data transmission method and system.
Background technology
At present, the enhancing of code division multiple access (Code Division Multiple Access abbreviates CDMA as) access technology is the industry focus of attention.
Divide the network of multiple access technique to obtain more and more commercializations with accessing terminal along with application code, for example, CDMA20001xEV-DO, this system can be called High Rate Packet Data (High Rate Packet Data, abbreviate HRPD as) system, various data services based on such bearer network also constantly occur.Most typical business comprises ftp download, video calling etc., because the HRPD system is than original 2G or 2.5G cordless communication network, have higher up-downgoing data rate and higher power system capacity, therefore can bring favorable user experience for the user who uses above-mentioned data service.It is emphasized that, the data flow of above-mentioned business is stable transfer usually in a period of time, the transmission of this characteristic requirement data flow should be based on specific connection, promptly, Access Network is finished special-purpose preceding reverse traffic channel with accessing terminal will set up earlier, could transmit various data flow thereon efficiently.
But along with operator develops more eurypalynous business, data flow has had new characteristic, that is, have suddenly, and data packets for transmission is smaller usually.For example, instant message, mail, M2M business (for example, environmental monitoring) etc.To above-mentioned business, use not only is not easy to accomplish efficiently based on the data transfer mode that connects, but also have following disadvantage: the sudden meeting of data cause accessing terminal and Access Network between need to tear down and build continually connection, cause terminal power consumption more, Access Network treatment effeciency also influenced; And on data channel at a high speed, transmit very little packet, also be a kind of waste to air interface resource itself.
Introduced Data OverSignaling in the existing CDMA2000 1xEV-DO consensus standard and used, can partly solve the problem that above-mentioned burst data business faces when using.That is, the packet of above-mentioned application is directly used by Data Over Signaling and is encapsulated in the signaling, transmits with signaling method, if this type of business is only arranged, can avoid setting up special-purpose Traffic Channel.But still there is following defective in this kind mode: the speed of signaling channel transmission is lower usually, possibly can't satisfy the transmission requirement of data itself, even if terminal is under the good wireless environment, also can't use higher message transmission rate; The priority of packet itself is usually less than signaling, and after installing to data envelope in the signaling, Access Network can only adopt same priority to dispatch these data, and transmission may bring influence to signaling; In addition, under the scene that the user relatively concentrates, original Reverse Access Channel and control channel have been easy to overload, if send packet again on above-mentioned channel, can make the channel congestion situation become more serious etc.
Summary of the invention
Sudden at having in the correlation technique, and data packets for transmission smaller business usually is encapsulated in the signaling, the transmission rate that causes with the means of signaling transmission is low, influence the signaling transmission, problem such as congested channel or use based on the data transfer mode that connects send that bursty data can cause accessing terminal and Access Network between need to tear down and build continually connection, cause terminal power consumption more, the also influenced and waste problem such as interface-free resources of Access Network treatment effeciency and propose the present invention, for this reason, main purpose of the present invention is to provide a kind of data transmission scheme, one of to address the above problem at least.
To achieve these goals, according to an aspect of the present invention, provide a kind of data transmission method.
Data transmission method according to the present invention comprises: access terminal and Access Network between use no connecting channel to carry out data interaction.
Preferably, access terminal and Access Network between use no connecting channel to carry out data interaction to comprise: access terminal and use reverse no connecting channel to send data to Access Network.
Preferably, access terminal and Access Network between use no connecting channel to carry out data interaction to comprise: Access Network use forward direction does not have connecting channel to data sending of access terminal.
Preferably, access terminal and Access Network by no connection status the operation of no connecting channel is controlled.
Preferably, oppositely not having connecting channel identifies by specific long code.
Preferably, forward direction does not have connecting channel and identifies by specific forward traffic channel user ID MACIndex.
Preferably, said method also comprises: the transmission that accesses terminal is used to indicate the indication information of the message transmission rate of reverse no connecting channel, so that Access Network is according to the indication information demodulating data.
Preferably, do not transmit under the situation of indication information accessing terminal, said method also comprises: Access Network is according to the message transmission rate demodulating data that sets in advance.
Preferably, oppositely no connecting channel comprises: pilot subchannel, reverse data rate indication subchannel, subchannel data, wherein, pilot subchannel is used for auxiliary Access Network and obtains reverse no connecting channel, reverse data rate indication subchannel is used for the indication information of transmitted data rates, and subchannel data is used for the bearer service data.
Preferably, said method also comprises: accessing terminal is used to indicate the indication information of the message transmission rate of reverse no connecting channel by reverse data rate indication subchannel transmission, so that Access Network is according to the indication information demodulating data.
Preferably, it is characterized in that, before the oppositely no connecting channel of the use that accesses terminal sent data, said method also comprised: the basis that accesses terminal is determined the reverse transfer initial power to the measurement result of forward channel, and sends data according to reverse initial transmission power.
Preferably, it is characterized in that, before the oppositely no connecting channel of the use that accesses terminal sends data, said method also comprises: access terminal by the through-put power control indication information of the Forward Power Control Subchannel reception corresponding with reverse no connecting channel from Access Network, and according to through-put power control indication information adjustment reverse transfer power, and according to adjusted reverse transfer power transmission data.
Preferably, it is characterized in that, the pre-configured reverse no connecting channel of Access Network comprises: pre-configured one or one group of Access Network does not oppositely have connecting channel, oppositely do not have one group of configuration under the situation of connecting channel, if a plurality of accessing terminal needs to send data to Access Network simultaneously, then each accesses terminal all oppositely not have from one group and selects one of them to be used for sending data to Access Network the connecting channel.
Preferably, access terminal and Access Network is controlled the operation of no connecting channel by no connection status and comprised: under the no connection status of Access Network and the LMP Link Manager Protocol aloft of accessing terminal, access terminal and use reverse no connecting channel to send data to Access Network, Access Network uses forward direction not have connecting channel to data sending of access terminal.
Preferably, access terminal and use oppositely no connecting channel to send data to comprise to Access Network: access terminal with Access Network through consultation or the mode of interacting message determine whether to use reverse no connecting channel, and after determining to use reverse no connecting channel, access terminal and use reverse no connecting channel to send data to Access Network.
Preferably, access terminal and Access Network through consultation or the mode of interacting message determine whether to use under the situation of reverse no connecting channel, said method also comprises: access terminal and Access Network through consultation or the mode of interacting message enable and/or go to enable all or part of subchannel transmission.
Preferably, said method also comprises: Access Network is monitored reverse no connecting channel always, so that receive from the data that access terminal by reverse no connecting channel.
Preferably, Access Network uses forward direction not have connecting channel to comprise to data sending of access terminal: Access Network uses forward direction not have connecting channel to data sending of access terminal by pre-configured fixing speed grade.
Preferably, forward direction does not have connecting channel by specific one or one group of MACIndex sign, and one or one group of MACIndex sign do not have connecting channel corresponding to one or one group of forward direction.
Preferably, Access Network uses forward direction not have connecting channel to comprise to data sending of access terminal: access terminal and Access Network through consultation or the mode of interacting message determine whether to use forward direction not have connecting channel, and after determining that the use forward direction does not have connecting channel, Access Network uses forward direction not have connecting channel to data sending of access terminal.
Preferably, access terminal and Access Network through consultation or under the mode of the interacting message situation that determines whether to use forward direction not have connecting channel, said method also comprises: access terminal and Access Network through consultation or the mode of interacting message enable and/or go to enable all or part of subchannel transmission.
To achieve these goals, according to a further aspect in the invention, also provide a kind of data transmission system.
According to data transmission system of the present invention, comprise accessing terminal and Access Network, access terminal and Access Network between use no connecting channel to carry out data interaction.
Preferably, access terminal and use oppositely that no connecting channel sends data to Access Network.
Preferably, Access Network uses forward direction not have connecting channel to data sending of access terminal.
Preferably, access terminal and Access Network by no connection status the operation of no connecting channel is controlled.
By the present invention, adopt and adopt no connecting channel to send bursty data between Access Network and the terminal, solved will have in the correlation technique sudden, and data packets for transmission smaller business usually is encapsulated in the signaling, the transmission rate that causes with the means of signaling transmission is low, influence the signaling transmission, problem such as congested channel or use based on the data transfer mode that connects send that bursty data can cause accessing terminal and Access Network between need to tear down and build continually connection, cause terminal power consumption more, the also influenced and problem such as waste interface-free resources etc. of Access Network treatment effeciency, and then avoided causing or increasing the weight of the congested of signaling channel.
Detailed features of the present invention will be set forth in concrete enforcement subsequently, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram that connects the reverse channel architecture of data transmission method according to the nothing of the embodiment of the invention;
Fig. 2 is the schematic diagram that connects the forward channel structure of data transmission method according to the nothing of the embodiment of the invention;
Fig. 3 is accessing terminal and the schematic diagram of the state exchange of Access Network according to the inventive method.
Embodiment
Functional overview
The embodiment of the invention provides a kind of data transmission scheme, this scheme is that data service (especially having paroxysmal data service) provides a kind of novel data transfer mode, this transmission means can be separated transfer of data and signaling transmission, thereby has avoided causing or increasing the weight of the congested of signaling channel.When needs, adopt this kind data transfer mode access terminal (that is, terminal) and Access Network can be transferred to connection status easily, set up special Traffic Channel and be used for follow-up transfer of data.This kind mode can be accomplished backward compatibility fully to existing HRPD system.This programme by before introducing/oppositely sharing formula does not have connecting channel, access terminal when starting the burst data service application, needn't set up special Traffic Channel separately, before can sharing same group/and oppositely there is not connecting channel, use the data rate Data transmission bag of expectation according to the current wireless channel condition.The treatment principle of this programme is as follows: access terminal and Access Network between use no connecting channel to carry out data interaction, wherein, access terminal and use reverse no connecting channel to send data to Access Network; Access Network uses forward direction not have connecting channel to data sending of access terminal; Access terminal and Access Network by no connection status the operation of no connecting channel is controlled.
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Method embodiment
According to embodiments of the invention, a kind of data transmission method is provided, this data transmission method can be divided into two aspects, from these two aspects the embodiment of the invention is described in detail below.
Aspect one
Access terminal and use the pre-configured specified reverse no connecting channel of specific long code of Access Network to send data (especially bursty data) to Access Network, wherein, specific long code is used for identifying reverse does not have connecting channel.Promptly, when accessing terminal when oppositely having bursty data to send Access Network to, can use the specified reverse no connecting channel of specific long code that distributes by Access Network, and carry data rate and indicate and identify the current reverse data packet transmission rate, Access Network always receives in real time and demodulates reverse burst packet by correct rate format guaranteeing monitoring oppositely no connecting channel.For the high efficiency of transmission that guarantees oppositely not have connecting channel reduces influence to the neighboring access terminal simultaneously, oppositely do not have connecting channel and can adopt open loop and two kinds of power control modes of closed loop simultaneously.Below this two mode is described respectively.
Mode one, the power control mode that does not oppositely have the open Loop Power control mode of connecting channel and existing HRPD system reverse access channel is similar, that is, each is not had the transfer of data of connection attempt, and adopts reverse initial transmission power according to the measurement result to forward channel.The benefit of this power control mode is simple, be easy to realize, and because do not need forward direction that feedback is provided, the configuration of oppositely not having connecting channel can be totally independent of forward direction is not had connecting channel, and shortcoming is that the precision of power control is lower.
Mode two, oppositely the power control mode of the closed power control mode of no connecting channel and existing HRPD system reverse Traffic Channel is similar, promptly, need forward direction to provide and each reverse each self-corresponding Forward Power Control Subchannel of no connecting channel, be used for through-put power control indication information, the most basic, oppositely no connecting channel is provided with initial transmission power according to the open Loop Power control principle, forward direction can oppositely not have connecting channel and adjust current reverse data transmitted power in real time according to indication and corresponding power adjustment step-length in particular time-slot transmitted power lifting indication afterwards.
Oppositely no connecting channel can be divided into three subchannels again, promptly, pilot subchannel (Pilot Channel), reverse data rate indication subchannel (Reverse Rate Indicator Channel, RRI Channel), subchannel data (Data Channel).Above-mentioned three subchannels can adopt different walsh sign indicating number modulation, and code division multiplexing is in the reverse transfer time slot.Wherein, pilot subchannel is used for assisting Access Network to catch reverse no connecting channel; Data rate indication subchannel is used for the transmitted data rates indication information; Subchannel data is used for the bearer service data.Terminal is used to indicate the indication information of the message transmission rate of reverse no connecting channel by data rate indication subchannel transmission, so that Access Network is according to the indication information demodulating data.
Accessing terminal to be used to indicate the indication information of the message transmission rate of reverse no connecting channel to Access Network transmission, so that Access Network is according to the transmission rate demodulating data of indication information indication; Do not transmit in terminal under the situation of indication information, Access Network is according to the message transmission rate demodulating data that sets in advance, promptly, oppositely no connecting channel can be supported fixed rate and variable-speed data transmission, the rate information of reverse data rate indication subchannel transmission current data is provided simultaneously, Access Network is according to the correct demodulation reverse data bag of this information, oppositely do not transmitting reverse transfer speed indication subchannel if access terminal, Access Network can connect transmission rate according to predefined default reverse nothing and come demodulation reverse data bag.
Wherein, Access Network in embodiments of the present invention can be monitored reverse no connecting channel continuously to guarantee correct the reception and the reverse connectionless service packet of demodulation.
In embodiments of the present invention, Access Network can also pre-configured one or one group oppositely have connecting channel, oppositely do not have one group of configuration under the situation of connecting channel, if a plurality of terminals need to send data to Access Network simultaneously, then each terminal does not all oppositely have from one group and selects one of them to be used for sending data to Access Network the connecting channel.Promptly, can dispose one or one group of above-mentioned reverse no connecting channel, under the scene of relatively concentrating that accesses terminal, if a plurality of accessing terminal need send reverse bursty data simultaneously, can oppositely not have in the connecting channel at one group and select at random, reduce to send collision probability.
Preferably, access terminal and not replace Data Over Signaling data transfer mode with oppositely there being the data transfer mode of connection fully, reduce influence, more flexible and efficient ground service data transmission bag signaling channel.
Preferably, can be in advance increase the no connection status of Access Network and terminal aloft in the LMP Link Manager Protocol, under no connection status, terminal uses reverse no connecting channel to send data to Access Network in Access Network and terminal; Perhaps, terminal and Access Network through consultation or the mode of interacting message determine whether to use reverse no connecting channel, and after determine using oppositely no connecting channel, terminal uses reverse no connecting channel to send data to Access Network.
Preferably, terminal and Access Network can also be through consultation or the mode of interacting message enable and/or go to enable all or part of subchannel transmission.
Aspect two
The forward direction that Access Network uses specific forward traffic channel user ID MACIndex to be identified does not have connecting channel and sends data (especially bursty data) to inserting, and wherein, specific MACIndex is used to identify forward direction does not have connecting channel.Promptly, when Access Network when forward direction has bursty data to send to access terminal, can use forward direction not have connecting channel by special MAC Index sign, send data if adopt forward direction not have connecting channel, accessing terminal guarantees correctly to demodulate the forward burst packet that points to oneself by identification special MAC Index and the access terminal identification (ATI) relevant with oneself.Further, forward direction does not have connecting channel and can comprise the power of reverse no connecting channel control indication, is used to assist to finish the closed power control of reverse no connecting channel.
For reducing the complexity of data demodulates, forward direction does not have connecting channel and can adopt predefined a few fixed rate grade to transmit data, other speed indication subchannel no longer is set, that is, Access Network uses forward direction not have connecting channel by pre-configured fixing speed grade and sends data to terminal.
Forward direction does not have connecting channel can be by one specific or one group of MACIndex sign, and one of correspondence or one group of forward direction do not have connecting channel.
Preferably, Access Network can determine that whether adopt forward direction not have connecting channel comes the transmitting burst packet according to the actual schedule situation.
Preferably, forward direction does not have the RPC subchannel of connecting channel can close to save forward direction MACIndex resource, reduces to control complexity.
The no connection status that can be in advance aloft increases Access Network and access terminal in the LMP Link Manager Protocol, at Access Network with access terminal under no connection status, Access Network use forward direction does not have connecting channel to data sending of access terminal.Perhaps, terminal and Access Network through consultation or the mode of interacting message determine whether to use forward direction not have connecting channel, and determine to use after forward direction do not have connecting channel, Access Network uses forward direction not have connecting channel to data sending of access terminal.
Preferably, access terminal and Access Network can be through consultation or the mode of interacting message enable and/or go to enable all or part of subchannel transmission.
In aspect above-mentioned two, access terminal and Access Network can increase new no connection status at Air Link Management Protocol, under this state, access terminal and Access Network can use no connecting channel to transmit data.Access terminal and Access Network can be through consultation or the mode of interacting message determine whether to use before oppositely no connecting channel transmit the packet of particular type, further, access terminal and Access Network can also be through consultation or the mode of interacting message enable or go to enable all or part of subchannel transmission.
Below in conjunction with accompanying drawing to provided by the present invention access terminal and Access Network between do not have to connect data transfer mode and be specifically described.
Fig. 1 is the schematic diagram that connects the reverse channel architecture of data transmission method according to the nothing of the embodiment of the invention, as shown in Figure 1,
Module S1 is the backward channel (Reverse) of HRPD system;
Module S11 is the Reverse Access Channel (Access) (specifically referring to agreement C.S0024, not repeating them here) of HRPD system;
Module S12 describes newly-increased reverse no connecting channel (Connectionless) according to present embodiment;
Module S13 is the reverse traffic channel (Traffic) (specifically referring to agreement C.S0024, not repeating them here) of HRPD system;
Module S111 is the pilot subchannel (Pilot) (specifically referring to agreement C.S0024, not repeating them here) of HRPD system reverse access channel;
Module S112 is the subchannel data (specifically referring to agreement C.S0024, not repeating them here) of HRPD system reverse access channel;
Module S121 is a pilot subchannel (Pilot) of describing newly-increased reverse no connecting channel according to the embodiment of the invention;
Module S122 is a subchannel data (Data) of describing newly-increased reverse no connecting channel according to the embodiment of the invention;
Module S123 is a reverse data rate indication subchannel (RRI) of describing newly-increased reverse no connecting channel according to the embodiment of the invention;
Module S131 to module S137 specifically referring to agreement C.S0024, do not repeat them here.
Module S131 is data rate control (Data Rate Control the abbreviates DRC as) subchannel of HRPD system reverse Traffic Channel;
Module S132 is the Ack subchannel of HRPD system reverse Traffic Channel;
Module S133 is data source control (Data Source Control abbreviates DSC as) subchannel of HRPD system reverse Traffic Channel;
Module S134 is pilot tone (Pilot) subchannel of HRPD system reverse Traffic Channel;
Module S135 is auxiliary pilot (Auxiliary Pilot) subchannel of HRPD system reverse Traffic Channel;
Module S136 is reverse rate indication (Reverse Rate Indicator abbreviates RRI as) subchannel of HRPD system reverse Traffic Channel;
Module S137 is data (Data) subchannel of HRPD system reverse Traffic Channel.
Fig. 2 is the schematic diagram that connects the forward channel structure of data transmission method according to the nothing of the embodiment of the invention, as shown in Figure 2,
Module S2 is the forward channel (Forword) of HRPD system;
Module S21 to module S24 specifically referring to agreement C.S0024, do not repeat them here.
Module S21 is the Forward Pilot Channel (Pilot) of HRPD system;
Module S22 is forward medium access control (Media Access Control the abbreviates MAC as) channel of HRPD system;
Module S23 is the forward control channel (Control) of HRPD system;
Module S24 is the forward traffic channel (Traffic) of HRPD system;
Module S25 describes newly-increased forward direction according to the embodiment of the invention not have connecting channel;
Module S221 to module S224 specifically referring to agreement C.S0024, do not repeat them here.
Module S221 is reverse activity (Reverse Activity the abbreviates RA as) subchannel of HRPD system forward MAC channel;
Module S222 is the DRCLock subchannel of HRPD system forward MAC channel;
Module S223 is reverse power control (Reverse Power Control the abbreviates RPC as) subchannel of HRPD system forward MAC channel;
Module S224 is automatic repeat requests (Auto Repeat Request the abbreviates ARQ as) subchannel of HRPD system forward MAC channel;
Module S225 is a nothing connection RPC subchannel of describing newly-increased forward direction MAC channel according to the embodiment of the invention.
Fig. 3 is accessing terminal and the schematic diagram of the generic state of Access Network conversion according to the embodiment of the invention, as shown in Figure 3, when accessing terminal and Access Network when not having business datum to transmit, should be in the Idle state, when accessing terminal and Access Network has business datum to send, and decision should change connection (Connected) state over to when setting up Dedicated Traffic Channel, finish when data send, go back to the Idle state again.When accessing terminal and Access Network has the burst service data to need to send, and think in the time of to set up Dedicated Traffic Channel, should change over to and not have (Connectionless) state of connection, come interaction data by preceding reverse no connecting channel, transfer of data is finished, and can go back to the Idle state, if follow-up also have other data to need to send, and need set up Dedicated Traffic Channel, access terminal and Access Network can directly change the Connected state of operation over to from the Connectionless state.
System embodiment
According to embodiments of the invention, a kind of data transmission system also is provided, comprise accessing terminal and Access Network, access terminal and Access Network between use no connecting channel to carry out data interaction.
Access terminal and use reverse no connecting channel to send data to Access Network; Access Network uses forward direction not have connecting channel to data sending of access terminal; Access terminal and Access Network by no connection status the operation of no connecting channel is controlled.In this system, Access Network and access terminal between by in method embodiment, the having been described in detail alternately of no connecting channel, do not repeat them here.
In sum, by the above embodiment of the present invention solved will have in the correlation technique sudden, and data packets for transmission smaller business usually is encapsulated in the signaling, the transmission rate that causes with the means of signaling transmission is low, influence problems such as signaling transmission, congested channel, and then avoided causing or increasing the weight of the congested of signaling channel.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (25)
1. a data transmission method is characterized in that, comprising:
Access terminal and Access Network between use no connecting channel to carry out data interaction.
2. method according to claim 1 is characterized in that, described access terminal and described Access Network between use described no connecting channel to carry out described data interaction to comprise:
Access terminal and use reverse no connecting channel to send data to described Access Network.
3. method according to claim 1 is characterized in that, described access terminal and described Access Network between use described no connecting channel to carry out described data interaction to comprise:
Described Access Network uses forward direction not have connecting channel and sends described data to described accessing terminal.
4. method according to claim 1 is characterized in that, described access terminal and described Access Network by no connection status the operation of described no connecting channel is controlled.
5. method according to claim 2 is characterized in that, described reverse no connecting channel identifies by specific long code.
6. method according to claim 3 is characterized in that, described forward direction does not have connecting channel and identifies by specific forward traffic channel user ID MACIndex.
7. method according to claim 2 is characterized in that, also comprises:
The described transmission that accesses terminal is used to indicate the indication information of the message transmission rate of described reverse no connecting channel, so that described Access Network is according to the described data of described indication information demodulation.
8. method according to claim 2 is characterized in that, does not transmit under the situation of described indication information described accessing terminal, and described method also comprises:
Described Access Network is according to the described data of message transmission rate demodulation that set in advance.
9. method according to claim 2, it is characterized in that, described reverse no connecting channel comprises: pilot subchannel, reverse data rate indication subchannel, subchannel data, wherein, described pilot subchannel is used for auxiliary Access Network and obtains described reverse no connecting channel, described reverse data rate indication subchannel is used to transmit the indication information of described data rate, and described subchannel data is used for the bearer service data.
10. method according to claim 9 is characterized in that, also comprises:
Described accessing terminal is used to indicate the indication information of the message transmission rate of described reverse no connecting channel by described reverse data rate indication subchannel transmission, so that described Access Network is according to the described data of described indication information demodulation.
11., it is characterized in that before the described described reverse no connecting channel of use that accesses terminal sent described data, described method also comprised according to each described method in the claim 2,5,7 to 10:
The described basis that accesses terminal is determined the reverse transfer initial power to the measurement result of forward channel, and sends described data according to described reverse initial transmission power.
12., it is characterized in that before the described described reverse no connecting channel of use that accesses terminal sent described data, described method also comprised according to each described method in the claim 2,5,7 to 10:
Described accessing terminal by the through-put power control indication information of the Forward Power Control Subchannel reception corresponding from described Access Network with described reverse no connecting channel, and control indication information according to described through-put power and adjust reverse transfer power, and send described data according to described adjusted reverse transfer power.
13. according to each described method in the claim 5,7 to 10, it is characterized in that,
The pre-configured described reverse no connecting channel of described Access Network comprises:
Described Access Network pre-configured one or one group of described reverse no connecting channel, under the described one group of situation of oppositely not having a connecting channel of configuration, if a plurality of accessing terminal needs to send data to described Access Network simultaneously, then each accesses terminal all oppositely not have from described one group and selects one of them to be used for sending data to described Access Network the connecting channel.
14. method according to claim 4 is characterized in that, described access terminal and described Access Network is controlled the operation of described no connecting channel by no connection status and comprised:
Under the no connection status of described Access Network and the described LMP Link Manager Protocol aloft of accessing terminal, described accessing terminal uses reverse no connecting channel to send described data to described Access Network, and described Access Network uses forward direction not have connecting channel and sends described data to described accessing terminal.
15., it is characterized in that the described described reverse no connecting channel of use that accesses terminal sends described data to described Access Network and comprises according to each described method in the claim 2,5,7 to 10:
Described access terminal and described Access Network through consultation or the mode of interacting message determine whether to use described reverse no connecting channel, and after determining to use described reverse no connecting channel, described accessing terminal uses described reverse no connecting channel to send described data to described Access Network.
16. method according to claim 15 is characterized in that, described access terminal and described Access Network through consultation or the mode of interacting message determine whether to use under the situation of described reverse no connecting channel, described method also comprises:
Described access terminal and described Access Network through consultation or the mode of interacting message enable and/or go to enable all or part of subchannel transmission.
17. according to each described method in the claim 2,5,7 to 10, it is characterized in that, also comprise:
Described Access Network is monitored described reverse no connecting channel always, so that receive from the described described data that access terminal by described reverse no connecting channel.
18. method according to claim 3 is characterized in that, described Access Network uses described forward direction not have connecting channel and sends described data and comprise to described accessing terminal:
Described Access Network uses described forward direction not have connecting channel by pre-configured fixing speed grade and sends described data to described accessing terminal.
19. method according to claim 6 is characterized in that, described forward direction does not have connecting channel by specific one or one group of MACIndex sign, and described one or one group of MACIndex sign do not have connecting channel corresponding to one or one group of described forward direction.
20., it is characterized in that described Access Network uses described forward direction not have connecting channel and sends described data and comprise to described accessing terminal according to claim 18 or 19 described methods:
Described access terminal and described Access Network through consultation or the mode of interacting message determine whether to use described forward direction not have connecting channel, and after determining that the described forward direction of use does not have connecting channel, described Access Network uses described forward direction not have connecting channel and sends described data to described accessing terminal.
21. according to claim 18 or 19 described methods, it is characterized in that, described access terminal and described Access Network through consultation or under the mode of the interacting message situation that determines whether to use described forward direction not have connecting channel, described method also comprises:
Described access terminal and described Access Network through consultation or the mode of interacting message enable and/or go to enable all or part of subchannel transmission.
22. a data transmission system comprises accessing terminal and Access Network, it is characterized in that: access terminal and Access Network between use no connecting channel to carry out data interaction.
23. system according to claim 22 is characterized in that, described accessing terminal uses reverse no connecting channel to send data to described Access Network.
24. method according to claim 22 is characterized in that, described Access Network uses forward direction not have connecting channel and sends described data to described accessing terminal.
25. method according to claim 22 is characterized in that, described access terminal and described Access Network by no connection status the operation of described no connecting channel is controlled.
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