CN101064908A - Method for identifying different service random access in time-division synchronous CDMA system - Google Patents
Method for identifying different service random access in time-division synchronous CDMA system Download PDFInfo
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Abstract
The invention relates to a recognized method for random accessing of time synchronous code multi-address system. In the invention, when the network distributes the random accessing channel source, it distinguishes the random access of different business by the sub-channel of ascending pilot channel, and the ascending channel of the random access of different service is different. The node B in the network detects synchronous code, it sends the confirmation messages via the fast physical access channel, and records the number of physical access channel, the number of sub-frame of system, and the number of ascending sub-channel. When terminal accesses via the random access channel, the node B finds the synchronous record, and it can know the accessing type from the information of sub-channel that is convenient to do different process. The invention avoids the upgrade of soft/hardware, saves the system source, and achieves great backward compatibility at the same time.
Description
Technical field
The present invention relates to field of wireless communication, relate to the recognition methods when different business inserts at random among the TD-SCDMA specifically.
Background technology
TD-SCDMA technology is one of the major technique of the 3-G (Generation Three mobile communication system) of 3GPP definition, TD-SCDMA has formulated one at the access of terminal and has overlapped access process at random, this flow process is based on the foundation of uplink synchronous, cooperate by MAC-c/sh (the public shared medium access control) entity of terminal and network side and physical layer and to finish, by ascending pilot channel UpPCH, physical access channel FPACH with insert transmission channel RACH, Physical Random Access Channel PRACH at random and finish at random and insert.RACH and PRACH are unique transmission channel of access at random and physical channel resources in the present TD-SCDMA system, PRACH physical channel carrying RACH transmission channel.
Ascending pilot channel UpPCH is used for terminal and sends uplink synchronous code, is arranged in the 4th time slot of system's subframe.System is divided into N subchannel with UpPCH on sequential, numbering is from 0 to N-1, by (SFN ' mod N) calculate Sub-Channel Number, wherein SFN ' is system's subframe numbers.The N value can be 1,2,4,8, by the high-rise configuration of network.Situation when being 4 UpPCH subchannels of system configuration as Fig. 1.
Just determined the operable uplink synchronous code in this sub-district (SYNC UL) when the sub-district is set up, the previous sub-district of order has 8 uplink synchronous codes, numbering from 0 to 7.
Network side is by the terminal broadcast system information of broadcast channel in the sub-district, and the information that random access resource is relevant is positioned in the system information block (SIB, System Information Block) 5 and 6.RNC (radio network controller) sets up process to the relevant information of Node B configuration random access resource by the Common transport channel of the NBAP (Node B application protocol, corresponding 3GPP TS25.433) of Iub interface.Fig. 2 is TD-SCDMA wireless accessing network structure figure, and wherein system information is disposed by RNC, broadcasts on CBCH by Node B; RNC manages Node B by Iub interface, and main management process comprises the establishment sub-district, reshuffles the sub-district, sets up Common transport channel etc.
Random access resource message structure (can with reference to 3GPP TS25.331) as shown in Figure 3 among the SIB5/SIB6, wherein " N " is illustrated in maximum configurable random access resource instance number in the sub-district, and N is 16 at present." PRACH info " is the Physical Random Access Channel resource information, wherein " SYNC_UL info " is uplink synchronous code information, " SYNC_UL codes bitmap " wherein is the mapping of uplink synchronous code bit, represents that with the mode of 8 bits mapping available uplink synchronous code, Mmax represent synchronous repeated attempt number of times; " PRACH Definition " is the definition of Physical Random Access Channel group, and definable is 8 groups at most, has defined maximum 4 PRACH physical channels and a FPACH channel below every group, and these 4 PRACH and FPACH are mutually related.In " AC-ASC mapping ", AC is the access category of terminal, and ASC is access service grade (a total 0-7 level, 0 is limit priority), is used for the AC derivation ASC of terminal according to USIM (USIM)." PRACH Partition " is the Physical Random Access Channel carve information, the available synchronous code and the available UpPCH subchannel of each ASC correspondence have been provided, wherein " Available SYNC_UL codes indices " is available uplink synchronous code index, it is the index of the available synchronous code of definition in " SYNC_UL info ", and " Available Subchannels " is available UpPCH subchannel information." Transport channel identity " and " RACH TFS " are transmission channel identification and available transformat, transmission channel identification identifies certain transmission channel when just being used for each interlayer communication of terminal inner, and the feature of this transmission channel, as speed, transport block length is to be described by transformat, the terminal high level is before needs insert at random, at first select suitable transmission channel format, from these profile instance that satisfy transformat, select a profile instance more at random according to the transmission data characteristics.
The resource information structure that a Common transport channel of Iub interface is set up process configuration is (can with reference to 3GPP TS25.433) as shown in Figure 4, wherein can dispose many PRACH physical channels and 0-1 bar FPACH channel, " description of PRACH channel " among the figure is except describing the PRACH physical channel, giving corresponding transmitting channel information, mainly is transport format information.Can set up the more random access resources of process configuration by Common transport channel repeatedly.Guarantee the random access resource configuration of Node B and the random access resource configuration in the system information are consistent by RNC.
The FPACH channel is after network side node B detects the synchronous code of a certain terminal transmission, to return the channel that confirmation is used to terminal; In the FPACH channel is described, a parameter " WT " is arranged, it is the window number of FPACH, send confirmation on a FPACH, once only for a user, after terminal is sent synchronous code, if in WT subframe, do not receive network validation information, it is unsuccessful to illustrate that this inserts, and whether terminal will be initiated synchronously again according to the decision of repeated attempt number of times.
3GPP has defined with lower channel selection principle, is convenient to terminal and network side collaborative work:
1. the corresponding relation of uplink synchronous code and FPACH channel number satisfies: i=N mod M
Wherein N represent synchronous code numbering, M represent FPACH total number of channels, i in the selected system configuration example represent selected FPACH channel number (RNC in setting up system information random access resource and when Node B carried out the Random Access Channel configuration, guarantee both unanimities on the FPACH channel configuration).
2.FPACHi the subframe numbers SFN ' and the relation of PRACH channel number satisfy: (SFN ' modLi)=n
RACHin
RACHi=0 ..., N
RACHi-1
N wherein
RACHiBe the number of the PRACH related with i FPACH, N
RACHiBe not more than Li; Li is and the transport block length of these PRACH corresponding transmission channel that general value is 1,2,4; SFN ' is that terminal is received the system's subframe numbers when confirming on FPACHi.
3.FPACH subframe numbers and the subframe numbers of PRACH (when the transport block length of PRACH is crossed over a plurality of subframe greater than 1, sequential relationship is arranged corresponding first subframe numbers of the subframe numbers here): terminal sends random accessing message in second subframe receiving after FPACH confirms, when transport block length is odd number greater than 1 and second subframe numbers, wait for subframe emission again.
After terminal physical layer sends synchronous code, select the FPACH channel to intercept according to mentioned above principle 1.After Node B detects this synchronous code, also determine the FPACH channel number of loopback confirmation according to this principle.
After terminal physical layer receives the confirmation information, record system's subframe numbers at this moment, to upper strata MAC (medium access control) entity loopback confirmation, MAC will insert request relevant data and transport format information and send to physical layer, physical layer determines to use which bar PRACH channel according to mentioned above principle 2, and second time slot after receiving affirmation (also may be the 3rd time slot) initiates to insert at random request.Concerning network side node B, there is ambiguity on the 3GPP standard definition at present, in TS25.224, require network side node B to determine FPACH and PRACH channel number by mentioned above principle 2, but when TS25.433 NBAP protocol definition Common transport channel is set up message, allow network side node B not set up the corresponding relation of PRACH and FPACH, this problem wouldn't influence existing business, but needs the further clarification of 3GPP tissue.At present, controlling this MAC entity that inserts at random is MAC-c/sh, and whole access procedure as shown in Figure 5.
Along with the continuous development of the communication technology and the continuous increase of business demand, in the TD-SCDMA system, may introduce more business and access demand at random thereof, up enhancing grouping access service such as 3GPP R6 proposition, promptly normal HSUPA (the High Speed Uplink Packet Access that says, the high speed uplink packet access) in the technology, introduce a kind of new MAC-e (strengthening the medium access control) entity at terminal and network side and controlled the access of up enhancing Packet Service, and by the up access request message of a kind of new transmission channel of access at random E-RUCCH (strengthening the uplink random access control channel) transmission.The HSUPA technology is based on the scheduling mode of Node B, be responsible for the dispatch request of processing terminal by Node B, thereby the E-RUCCH channel ends in Node B.And in original access based on RACH/PRACH, Node B is only born the relevant function of physical layer, inserts the relevant processing of request and all carries out in RNC.
Because the synchronizing characteristics of TD-SCDMA system, any access at random all can't be avoided the uplink synchronous process, when introducing new Random Access Channel, can be shared existing access process at random and aerial physical channel resources based on RACH/PRACH, be inserting transmission channel at random and can being mapped on the identical physical channel resources of different business, can reduce like this terminal and system the software and hardware complexity, avoid the waste of resource.But because various access waies at random have nothing in common with each other in the processing of network side, network side node B need identify different business during information on receiving Random Access Channel, does not still have effective method at present.
Summary of the invention
For addressing the above problem, the objective of the invention is to the recognition methods that different business inserts at random in a kind of TDS-CDMA system.The support that at random insert of system to multiple business is provided, can utilize existing access process at random and Physical Random Access Channel resource to allow the access at random of multiple business, avoid upgrading of software, saved system resource, reached better compatibility backward simultaneously.
For achieving the above object, the present invention proposes the recognition methods that a kind of TDS-CDMA system different business inserts at random, wherein, may further comprise the steps:
Step 4 is determined the type of described access service at random according to described ascending pilot channel Sub-Channel Number, and carries out respective handling.
The recognition methods that different business inserts at random in the above-mentioned TDS-CDMA system, wherein, described access service comprises that high speed uplink packet inserts.
The recognition methods that different business inserts at random in the above-mentioned TDS-CDMA system, wherein, described step 1 specifically comprises:
Step 31, described radio network controller disposes described different business and inserts special-purpose ascending pilot channel subchannel at random in the random access resource information of system information, described Node B is broadcasted described system information by the user terminal of broadcast channel in the sub-district;
Step 32, described radio network controller are created the sub-district at the Node B application protocol, are reshuffled in the process of sub-district described Node B configuration different business is inserted special-purpose ascending pilot channel subchannel information at random.
The recognition methods that different business inserts at random in the above-mentioned TDS-CDMA system, wherein, described step 31 specifically comprises:
In described system information random access resource message structure, increase the step of " strengthening the identification of uplink random access control channel " and " strengthening Random Access Channel cuts apart "; " strengthening Random Access Channel cuts apart " is used for high speed uplink packet and inserts synchronous code and the ascending pilot channel subchannel information of using, and adopts the data structure identical with " Random Access Channel is cut apart ".
The recognition methods that different business inserts at random in the above-mentioned TDS-CDMA system, wherein, described step 32 specifically comprises:
Step 51 is set up increase " PRACH UpPCH Subchannel " in request and the cell re-configuration request in the sub-district of described Node B application protocol, is used to represent the common employed ascending pilot channel subchannel that inserts at random;
Step 52 is set up request message and cell re-configuration and is put increase " E-PRACH UpPCH Subchannel " in the request message in the sub-district of described Node B application protocol, be used to represent that high speed uplink packet inserts employed ascending pilot channel subchannel.
The recognition methods that different business inserts at random in the above-mentioned TDS-CDMA system, wherein, the Common transport channel of described Node B application protocol is set up in the process must dispose a physical access channel, and the Physical Random Access Channel of described physical access channel and configuration keeps definite corresponding relation.
The recognition methods that different business inserts at random in the above-mentioned TDS-CDMA system, wherein, described step 2 is further comprising the steps of:
Step 71 when described user terminal need insert, is used the random access resource information in the system information of up-to-date reception, select access service special-purpose ascending pilot channel subchannel, send synchronous code to described Node B;
Step 72, user terminal be according to the synchronous code of physical access channel number that disposes in the sub-district and transmission number, and next decision needs the physical access channel number of confirmation of receipt message.
The recognition methods that different business inserts at random in the above-mentioned TDS-CDMA system, wherein, described step 2 is further comprising the steps of:
Step 81, described Node B obtain the channel number of the used physical access channel of loopback confirmation, from described physical access channel loopback confirmation according to the physical access channel sum that disposes in synchronous code numbering that receives and the sub-district;
Subframe numbers and described user terminal when step 82, described Node B write down the physical access channel number of described loopback confirmation, described loopback confirmation send the used ascending pilot channel Sub-Channel Number of described synchronous code.
The recognition methods that different access service insert at random in the above-mentioned TDS-CDMA system, wherein, described step 3 is further comprising the steps of:
Step 91, described Node B obtains to insert at random the used Physical Random Access Channel of request message number, according to the corresponding relation between physical access channel and the Physical Random Access Channel, obtain the used physical access channel of described loopback acknowledge message number;
Step 92, according to described physical access channel number and Physical Random Access Channel number, the subframe numbers when obtaining described user terminal and receiving acknowledge message;
Step 93, according to the sequential relationship of described physical access channel and Physical Random Access Channel, the subframe numbers when determining described Node B loopback acknowledge message;
Step 94, the used physical access channel of subframe numbers during according to described loopback acknowledge message and loopback acknowledge message number is obtained the synchronous recording of described Node B, obtains corresponding ascending pilot channel Sub-Channel Number.
The recognition methods that different business inserts at random in the above-mentioned TDS-CDMA system, wherein, described step 4 specifically may further comprise the steps:
Step 101 inserts the ascending pilot channel Sub-Channel Number of use at random according to described business, judges the type of described access service at random;
Step 102, if described access service at random is common access at random, then described Node B is directly issued described radio network controller with the data that receive, and inserts if described access service at random is a high speed uplink packet, and then described Node B is directly handled the described data that receive.
Description of drawings
UpPCH subchannel schematic diagram when Fig. 1 is N=4;
Fig. 2 is wireless accessing network structure figure;
Fig. 3 is a random access resource information structure diagram among the system information SIB5/SIB6;
Fig. 4 is a random access resource information structure diagram in Common transport channel layoutprocedure of NBAP;
Fig. 5 is a random access procedure;
Fig. 6 increases the random access resource information structure diagram that strengthens after uplink random inserts relevant configuration in the system information;
Information structure diagram when Fig. 7 sets up corresponding relation for PRACH among the NBAP and FPACH.
Embodiment
Access with HSUPA is that embodiment describes below.
The number of subchannels that the sub-district is divided can be 1,2,4,8 by the high-rise configuration of network, and network side is when determining number of subchannels, should decide on the business model in the current network, when customer volume was big, the number of subchannels of division can be bigger, and this can avoid conflict to a certain extent.In the present invention, require the number of subchannels of configuration greater than 1.Use the initial stage in the HSUPA technology, under the fewer situation of user, less subchannel can be exclusively used in the access at random of HSUPA.Specific practice is, in the random access resource message structure of system information, increase " E-RUCCH channel identity " (strengthening the identification of uplink random access control channel) and " E-PRACH partitioning " (the enhancing Physical Random Access Channel is cut apart) element, as shown in Figure 6.Wherein " E-RUCCH channel identity " identifies certain E-RUCCH channel when just being used for each interlayer communication of terminal inner, and this channel also uses the transformat in " RACH TFS "; " E-PRACH partitioning " uses and " PRACH partitioning " identical data structure, and wherein Pei Zhi " Available Subchannel " is exclusively used in the HSUPA access; Synchronous code is limited to the index of the available synchronous code of definition in " PRACHinfo ", the restriction that does not have other branch to mix.Such as, the UpPCH number of subchannels of this sub-district is 4, the Sub-Channel Number of distributing to HSUPA is 3, and the subchannel of each the ASC configuration in " PRACHpartitioning " can only be 0,1,2 so, and the subchannel of each ASC configuration is only limited to 3 in " E-PRACH partitioning ".Other resource information in the SIB5/SIB6 random access resource information is that two kinds of business are public as " PRACH info ", transmission channel format, " AC-to-ASC mapping " etc.Also need carry out same configuration to Node B, request is set up in sub-district at NBAP, cell re-configuration is put the element shown in the increase table 1 in the request, the common UpPCH subchannel that uses that inserts at random of " PRACH UpPCH Subchannel " expression, its data structure is CHOISE (selection) type among the ASN.1 (abstract semantical definition), have 3 kinds of options at subchannel length, be respectively 2,4,8, network is high-rise selects one of them to be configured, adopt the bit mapping mode, the subchannel of the corresponding low numbering of low bit, bit is that 1 this subchannel of expression can be used, and 0 is unavailable; The UpPCH subchannel that " E-PRACH UpPCHSubchannel " expression HSUPA uses when inserting, its adopts and " PRACHUpPCH Subchannel " the same data structure, and subchannel length option must be identical but accordingly bit can not be 1 simultaneously." M " in " existence " hurdle represents that this element is must configuration.
The Common transport channel of NBAP is set up in the process in addition, must dispose a FPACH at every turn, and the PRACH in this FPACH and this process is the relation of being mutually related, as shown in Figure 7.FPACH channel resource in physical channel resources that comprises in " description of PRACH channel " and transmission channel format information, " description of FPACH channel " is shared by RACH and E-RUCCH.Guarantee the random access resource configuration of Node B and the random access resource configuration in the system information are consistent by RNC.
Network side to the terminal broadcast system information in the sub-district, comprising random access resource information, is set up the UpPCH subchannel division that process disposes this sub-district by the sub-district of Iub interface by broadcast channel simultaneously.When needs changed this division, network side was with updating system information and Node B is carried out cell re-configuration put.
Table 1
| Masurium | Exist | Scope |
| ... | ||
| PRACH UpPCH Subchannel | ||
| ＞CHOICE subchannel size | M | |
| ＞＞Size2 | ||
| ＞＞＞Available Subchannels | M | Bit String (2) |
| ＞＞Size4 | ||
| ＞＞＞Available Subchannels | M | Bit String (4) |
| ＞＞Size8 | ||
| ＞＞＞Available | M | Bit String (8) |
| Subchannels | ||
| E-PRACH UpPCH Subchannel | ||
| ＞CHOICE subchannel size | M | |
| ＞＞Size2 | ||
| ＞＞＞Available Subchannels | M | Bit String (2) |
| ＞＞Size4 | ||
| ＞＞＞Available Subchannels | M | Bit String (4) |
| ＞＞Size8 | ||
| ＞＞＞Available Subchannels | M | Bit String (8) |
Terminal is high-rise when selecting profile instance, the transmission data characteristics in the time of will satisfying this kind business on the one hand and insert at random, and ASC and the class of service according to terminal should have available uplink synchronous code and UpPCH subchannel on the other hand.Terminal disposes the access that different MAC entities is used to control different business respectively with network side, and wherein the MAC-c/sh entity is used to control common access, and the MAC-e entity is used for the access control of HSUPA.During access, initiate to insert request by terminal MAC layer entity to physical layer, with the ASC that goes up terminal, physical layer knows that by identification upper strata MAC entity this belongs to the access of which kind of business, select to belong to the UpPCH subchannel and the synchronous code of this kind access service then by ASC, send uplink synchronous code to network side.Terminal physical layer is according to the synchronous code number and the FPACH number of channel, and next decision needs the FPACH channel number of intercepting.
When terminal physical layer receives more than one access request simultaneously, will such as priority mechanism, select one of them to insert request and operate by certain collision avoidance mechanism.
After network side node B detects synchronous code, the numbering and the FPACH number of channel according to this synchronous code correspondence, obtain the FPACH channel number, to terminal loopback confirmation, calculate the UpPCH Sub-Channel Number by the system's subframe numbers that receives the synchronous code place, and make synchronous recording: used FPACH channel number, the subframe numbers of loopback confirmation and UpPCH Sub-Channel Number, as shown in table 2 is synchronous recording information.Because Node B can only send confirmation to a terminal in a subframe on a FPACH channel, thereby can uniquely find a record by FPACH channel number and affirmation subframe numbers.Terminal is received and is confirmed and send to insert at random to ask to differ 3 subframes at most on sequential, thereby Node B only need be preserved the synchronous recording in current subframe 3 subframes before.
Table 2
| Recording mechanism | The FPACH channel number | Confirm subframe numbers | The |
| 1 | 1 | 32 | 3 |
| 2 | ... |
After the user terminal physical layer was received confirmation, record subframe numbers at this moment sent confirmation to the MAC of correspondence entity, and the MAC entity will insert request msg at random and send to physical layer, and provide transport format information.Physical layer is determined transport block length according to transformat, and determines to use which PRACH according to the principle in the background information 2, sends to network side according to background information principle 3 described sequential relationships then and inserts request message at random.
Step 4, network side node B receives in certain PRACH channel and inserts request message at random, finds the corresponding synchronous record, knows current access style at random according to UpPCH subchannel information wherein, determines next step processing.
Network side node B can know corresponding FPACH channel number according to the PRACH channel number of current reception; And, send the possible subframe numbers of confirmation before obtaining, and the subframe numbers the when sequential relationship of FPACH and PRACH is determined to send confirmation in 3 on principle according to the relation of background information principle 2 described FPACH and PRACH channel.Subframe numbers during by FPACH channel number and transmission confirmation finds synchronous recording, obtain this UpPCH Sub-Channel Number that inserts use at random (this moment, Node B can be deleted this synchronous recording), determine this access service types at random thus, if common access at random, Node B is directly issued RNC with the data that receive; If HSUPA inserts, handle by Node B.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; being familiar with those of ordinary skill in the art ought can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. the recognition methods that different business inserts at random in the TDS-CDMA system is characterized in that, may further comprise the steps:
Step 1, radio network controller is divided the ascending pilot channel subchannel in the sub-district, is used for the access at random of different business;
Step 2, when terminal need insert at random, in the subchannel of described ascending pilot channel, send uplink synchronous code to Node B, Node B receives back loopback confirmation on physical access channel, and make synchronous recording, the subframe numbers when writing down the Sub-Channel Number of described ascending pilot channel, described physical access channel number and loopback confirmation;
Step 3, described user terminal selects suitable Physical Random Access Channel to insert request message at random to described Node B transmission after receiving confirmation, described Node B is according to the described Physical Random Access Channel that receives number, find described synchronous recording, obtain described ascending pilot channel Sub-Channel Number;
Step 4 is determined the type of described access service at random according to described ascending pilot channel Sub-Channel Number, and carries out respective handling.
2. the recognition methods that different business inserts at random in the TDS-CDMA system according to claim 1 is characterized in that, described access service comprises that high speed uplink packet inserts.
3. the recognition methods that different business inserts at random in the TDS-CDMA system according to claim 1 is characterized in that, described step 1 specifically comprises:
Step 31, described radio network controller disposes described different business and inserts special-purpose ascending pilot channel subchannel at random in the random access resource information of system information, described Node B is broadcasted described system information by the user terminal of broadcast channel in the sub-district;
Step 32, described radio network controller are created the sub-district at the Node B application protocol, are reshuffled in the process of sub-district described Node B configuration different business is inserted special-purpose ascending pilot channel subchannel information at random.
4. the recognition methods that inserts at random according to different business in claim 2 or the 3 described TDS-CDMA system is characterized in that described step 31 specifically comprises:
In described system information random access resource message structure, increase the step of " strengthening the identification of uplink random access control channel " and " strengthening Random Access Channel cuts apart "; " strengthening Random Access Channel cuts apart " is used for high speed uplink packet and inserts synchronous code and the ascending pilot channel subchannel information of using, and adopts the data structure identical with " Random Access Channel is cut apart ".
5. the recognition methods that inserts at random according to different business in claim 2 or the 3 described TDS-CDMA system is characterized in that described step 32 specifically comprises:
Step 51 is set up increase " PRACH UpPCH Subchannel " in request and the cell re-configuration request in the sub-district of described Node B application protocol, is used to represent the common employed ascending pilot channel subchannel that inserts at random;
Step 52 is set up request message and cell re-configuration and is put increase " E-PRACH UpPCH Subchannel " in the request message in the sub-district of described Node B application protocol, be used to represent that high speed uplink packet inserts employed ascending pilot channel subchannel.
6. the recognition methods that different business inserts at random in the TDS-CDMA system according to claim 1, it is characterized in that, the Common transport channel of described Node B application protocol is set up in the process must dispose a physical access channel, and the Physical Random Access Channel of described physical access channel and configuration keeps definite corresponding relation.
7. the recognition methods that different business inserts at random in the TDS-CDMA system according to claim 3 is characterized in that, described step 2 is further comprising the steps of:
Step 71 when described user terminal need insert, is used the random access resource information in the system information of up-to-date reception, select access service special-purpose ascending pilot channel subchannel, send synchronous code to described Node B;
Step 72, user terminal be according to the synchronous code of physical access channel number that disposes in the sub-district and transmission number, and next decision needs the physical access channel number of confirmation of receipt message.
8. the recognition methods that different business inserts at random in the TDS-CDMA system according to claim 1 is characterized in that, described step 2 is further comprising the steps of:
Step 81, described Node B obtain the channel number of the used physical access channel of loopback confirmation, from described physical access channel loopback confirmation according to the physical access channel sum that disposes in synchronous code numbering that receives and the sub-district;
Subframe numbers and described user terminal when step 82, described Node B write down the physical access channel number of described loopback confirmation, described loopback confirmation send the used ascending pilot channel Sub-Channel Number of described synchronous code.
9. the recognition methods that different access service insert at random in the TDS-CDMA system according to claim 1 is characterized in that, described step 3 is further comprising the steps of:
Step 91, described Node B obtains to insert at random the used Physical Random Access Channel of request message number, according to the corresponding relation between physical access channel and the Physical Random Access Channel, obtain the used physical access channel of described loopback acknowledge message number;
Step 92, according to described physical access channel number and Physical Random Access Channel number, the subframe numbers when obtaining described user terminal and receiving acknowledge message;
Step 93, according to the sequential relationship of described physical access channel and Physical Random Access Channel, the subframe numbers when determining described Node B loopback acknowledge message;
Step 94, the used physical access channel of subframe numbers during according to described loopback acknowledge message and loopback acknowledge message number is obtained the synchronous recording of described Node B, obtains corresponding ascending pilot channel Sub-Channel Number.
10. the recognition methods that different business inserts at random in the TDS-CDMA system according to claim 1 is characterized in that, described step 4 specifically may further comprise the steps:
Step 101 inserts the ascending pilot channel Sub-Channel Number of use at random according to described business, judges the type of described access service at random;
Step 102, if described access service at random is common access at random, then described Node B is directly issued described radio network controller with the data that receive, and inserts if described access service at random is a high speed uplink packet, and then described Node B is directly handled the described data that receive.
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| CN2006100118437A Expired - Fee Related CN101064908B (en) | 2006-04-30 | 2006-04-30 | Method for identifying different service random access in time-division synchronous CDMA system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101453772B (en) * | 2007-12-05 | 2010-09-22 | 大唐移动通信设备有限公司 | Random access control method and apparatus |
| CN101911813A (en) * | 2008-01-07 | 2010-12-08 | 三星电子株式会社 | Apparatus and method for transmitting and receiving enhanced rach in a mobile communication system |
| CN101534564B (en) * | 2008-03-12 | 2011-11-30 | 中兴通讯股份有限公司 | Random accessing method based on E-DCH transmission channel in TD-SCDMA system |
| CN101547498B (en) * | 2008-03-26 | 2012-10-10 | 展讯通信（上海）有限公司 | Uplink access method for CELL_FACH state in TDD system |
| CN106792497A (en) * | 2016-11-03 | 2017-05-31 | 展讯通信（上海）有限公司 | Base station, user equipment and its cut-in method |
| US10051658B2 (en) | 2008-01-07 | 2018-08-14 | Samsung Electronics Co., Ltd | Apparatus and method for transmitting and receiving enhanced RACH in a mobile communication system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100375573C (en) * | 2004-10-21 | 2008-03-12 | 中兴通讯股份有限公司 | Uplink acceptance controlling method in TD-SCDMA access system |
| CN100393174C (en) * | 2005-10-21 | 2008-06-04 | 中兴通讯股份有限公司 | Method for realizing multi-carrier high-speed down group access of time-division synchronus CDMAS system |
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2006
- 2006-04-30 CN CN2006100118437A patent/CN101064908B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101453772B (en) * | 2007-12-05 | 2010-09-22 | 大唐移动通信设备有限公司 | Random access control method and apparatus |
| CN101911813A (en) * | 2008-01-07 | 2010-12-08 | 三星电子株式会社 | Apparatus and method for transmitting and receiving enhanced rach in a mobile communication system |
| CN101911813B (en) * | 2008-01-07 | 2015-06-03 | 三星电子株式会社 | Apparatus and method for transmitting and receiving enhanced RACH in a mobile communication system |
| US10051658B2 (en) | 2008-01-07 | 2018-08-14 | Samsung Electronics Co., Ltd | Apparatus and method for transmitting and receiving enhanced RACH in a mobile communication system |
| CN101534564B (en) * | 2008-03-12 | 2011-11-30 | 中兴通讯股份有限公司 | Random accessing method based on E-DCH transmission channel in TD-SCDMA system |
| CN101547498B (en) * | 2008-03-26 | 2012-10-10 | 展讯通信（上海）有限公司 | Uplink access method for CELL_FACH state in TDD system |
| CN106792497A (en) * | 2016-11-03 | 2017-05-31 | 展讯通信（上海）有限公司 | Base station, user equipment and its cut-in method |
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| Publication number | Publication date |
|---|---|
| CN101064908B (en) | 2010-04-14 |
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