CN101453772A - Random access control method and apparatus - Google Patents
Random access control method and apparatus Download PDFInfo
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Abstract
The invention discloses a method and a device for controlling random access, which are used to extend the definition of a random access sequence code to an auxiliary frequency point in an N frequency point cell and allow a mobile terminal to transmit the random access sequence code on the auxiliary frequency point. The method comprises: acquiring group information of various groups of random access sequence codes and random access type information suitable for the various groups of random access sequence codes on main and auxiliary frequency points, and transmitting the obtained group information of various groups of random access sequence codes and random access type information suitable for the various groups of random access sequence codes on the main and the auxiliary frequency points to the mobile terminal; and detecting the random access sequence code transmitted by the mobile terminal, and judging the random access type suitable for the detected random access sequence code transmitted by the mobile terminal according to the group information of various groups of random access sequence codes and random access type information suitable for the various groups of random access sequence codes on the main and auxiliary frequency points.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of access control technology at random.
Background technology
TD-SCDMA (Time Division-Synchronous CDMA, the time-division synchronously-code division multiple access inserts) in the system, the random access sequence sign indicating number is mainly used in to be obtained between portable terminal and the network synchronously, so that carry out follow-up communication process.In the TD-SCDMA system before the R6 version, the random access sequence sign indicating number mainly is that the portable terminal that is under free time (idle) state uses, such portable terminal is initiating at first to send the random access sequence sign indicating number before the service, FPACH (Fast Physical AccessChannel is used in the base station, physical access channel) channel, portable terminal is carried out the adjustment of power and timing advance according to time that receives the random access sequence sign indicating number and signal strength signal intensity, make portable terminal keep uplink synchronous with network.Usually said random access sequence sign indicating number is SYNC_UL (Synchronous_UpLink, a uplink synchronous code) sign indicating number.
In order to improve the transmission rate of uplink service, the TD-SCDMA system of R7 version has introduced HSUPA (HighSpeed Uplink Packet Access, high speed uplink packet inserts) technology.In the HSUPA technology, when the portable terminal that activates has upstream data etc. to be sent but when not being scheduled for a long time, the random access procedure that portable terminal can initiate to strengthen is with the data volume size informing network of portable terminal buffering area.For distinguish common insert at random and strengthen at random insert, system further has been divided into the SYNC_UL sign indicating number two big groups, one group is used for commonly inserting at random, one group is used for strengthening at random and inserts.The type that this time inserts is at random judged according to detected SYNC_UL sign indicating number in the base station, and finishes subsequent operation.
The TD-SCDMA system has introduced the notion of N frequency point cell.The N frequency point cell has defined a dominant frequency point and N-1 auxilliary frequency, and wherein system broadcast message only sends on dominant frequency point.At the beginning of the system design, portable terminal can only initiate to insert at random at dominant frequency point, and the SYNC_UL sign indicating number also only defines at the dominant frequency point.But after introducing the HSUPA technology, because the portable terminal that activates need initiate to strengthen random access procedure, it is limited to cause dominant frequency point to go up the SYNC_UL code word, therefore there is the demand that the definition of SYNC_UL code word is expanded to auxilliary frequency, sends the SYNC_UL sign indicating number at auxilliary frequency and carry out direct-cut operation with the auxiliary moving terminal.
And prior art can't can't expand to auxilliary frequency with the definition of SYNC_UL code word for the N frequency point cell, makes portable terminal send the SYNC_UL sign indicating number on auxilliary frequency.
Summary of the invention
The embodiment of the invention provides a kind of random access control method and device, in order to realize that for the N frequency point cell definition of random access sequence sign indicating number is expanded to auxilliary frequency, allows portable terminal to send the random access sequence sign indicating number on auxilliary frequency.
The embodiment of the invention proposes a kind of random access control method, comprising:
Obtain the random access sequence code group information at random access style information suitable of respectively organizing on the main and auxiliary frequency, and the random access sequence code group information of respectively organizing on the described main and auxiliary frequency that will obtain sends to portable terminal with the suitable information of access style at random of each group with each group;
Detect the random access sequence sign indicating number that described portable terminal sends, and, judge the suitable access style at random of random access sequence sign indicating number that detected described portable terminal sends according to the random access sequence code group information information of access style at random suitable of respectively organizing on the described main and auxiliary frequency with each group.
The embodiment of the invention proposes a kind of access control apparatus at random, comprising:
The acquired information unit, the random access sequence code group information of respectively organizing that is used to obtain on the main and auxiliary frequency is organized the information of access style at random that is suitable for each;
Send information unit, the random access sequence code group information of respectively organizing on the described main and auxiliary frequency that is used for obtaining sends to portable terminal with the information of access style at random that each group is suitable for;
First control unit, be used to detect the random access sequence sign indicating number that described portable terminal sends, and, judge the suitable access style at random of random access sequence sign indicating number that detected described portable terminal sends according to the random access sequence code group information information of access style at random suitable of respectively organizing on the described main and auxiliary frequency with each group.
The embodiment of the invention proposes a kind of base station, comprising:
The acquired information unit, the random access sequence code group information of respectively organizing that is used to obtain on the main and auxiliary frequency is organized the information of access style at random that is suitable for each;
Send information unit, the random access sequence code group information of respectively organizing on the described main and auxiliary frequency that is used for obtaining sends to portable terminal with the information of access style at random that each group is suitable for;
First control unit, be used to detect the random access sequence sign indicating number that described portable terminal sends, and, judge the suitable access style at random of random access sequence sign indicating number that detected described portable terminal sends according to the random access sequence code group information information of access style at random suitable of respectively organizing on the described main and auxiliary frequency with each group.
The embodiment of the invention proposes a kind of random access control method, comprising:
Receive the random access sequence code group information at random access style information suitable of respectively organizing on the main and auxiliary frequency with each group;
According to the described information that receives, in the frequency of supporting the access style at random that portable terminal is initiated, selection is applicable to the random access sequence sign indicating number of the access style at random that described portable terminal is initiated.
The embodiment of the invention proposes a kind of access control apparatus at random, comprising:
Receive information unit, be used to receive the random access sequence code group information at random access style information suitable of respectively organizing on the main and auxiliary frequency with each group;
Second control unit is used for according to the described information that receives, and in the frequency of supporting the access style at random that portable terminal is initiated, selection is applicable to the random access sequence sign indicating number of the access style at random that described portable terminal is initiated.
The embodiment of the invention proposes a kind of portable terminal, comprising:
Receive information unit, be used to receive the random access sequence code group information at random access style information suitable of respectively organizing on the main and auxiliary frequency with each group;
Second control unit is used for according to the described information that receives, and in the frequency of supporting the access style at random that portable terminal is initiated, selection is applicable to the random access sequence sign indicating number of the access style at random that described portable terminal is initiated.
The embodiment of the invention proposes a kind of random access control method, comprising:
Determine the random access sequence code group information at random access style information suitable of respectively organizing on the main and auxiliary frequency with each group;
The random access sequence code group information of respectively organizing on the described main and auxiliary frequency of determining is sent to the base station with the information of access style at random that each group is suitable for, make the base station detect the random access sequence sign indicating number that described portable terminal sends, judge the suitable access style at random of random access sequence sign indicating number that detected described portable terminal sends according to the described information that obtains.
The embodiment of the invention proposes a kind of processing unit that inserts at random, comprising:
Determining unit is used for the random access sequence code group information at random access style information suitable with each group of respectively organizing on definite main and auxiliary frequency;
The 3rd control unit, the random access sequence code group information of respectively organizing on the described main and auxiliary frequency that is used for determining sends to the base station with the information of access style at random that each group is suitable for, make the base station detect the random access sequence sign indicating number that described portable terminal sends, judge the suitable access style at random of random access sequence sign indicating number that detected described portable terminal sends according to the described information that obtains.
The embodiment of the invention proposes a kind of radio network controller, comprising:
Determining unit is used for the random access sequence code group information at random access style information suitable with each group of respectively organizing on definite main and auxiliary frequency;
The 3rd control unit, the random access sequence code group information of respectively organizing on the described main and auxiliary frequency that is used for determining sends to the base station with the information of access style at random that each group is suitable for, make the base station detect the random access sequence sign indicating number that described portable terminal sends, judge the suitable access style at random of random access sequence sign indicating number that detected described portable terminal sends according to the described information that obtains.
The embodiment of the invention proposes a kind of random access control method and device, this method and device are organized the information of access style at random that is suitable for by the random access sequence code group information of respectively organizing that obtains on the main and auxiliary frequency with each, and the random access sequence code group information of respectively organizing on the main and auxiliary frequency that will obtain sends to portable terminal with the suitable information of access style at random of each group; Detect the random access sequence sign indicating number that portable terminal sends, and, judge the suitable access style at random of random access sequence sign indicating number that detected portable terminal sends according to the random access sequence code group information information of access style at random suitable of respectively organizing on the main and auxiliary frequency with each group.This method and device are for the N frequency point cell, random access sequence sign indicating number to main and auxiliary frequency has carried out rational grouping and planning, not only allow portable terminal on auxilliary frequency, to send the random access sequence sign indicating number, and reduced the probability of access interference at random of portable terminal, shortened the access delay of portable terminal.
Description of drawings
Fig. 1 is a random access control method flow chart in the embodiment of the invention;
Fig. 2 is an access control apparatus structural representation at random in the embodiment of the invention;
Fig. 3 is an access control apparatus structural representation at random in the embodiment of the invention;
Fig. 4 is an access control apparatus structural representation at random in the embodiment of the invention.
Embodiment
In embodiments of the present invention, the network side entity that will divide into groups to the random access sequence sign indicating number on the main and auxiliary frequency abbreviates the network side packet entities as; To the random access sequence sign indicating number that portable terminal sends be detected, judge the access style at random that detected random access sequence sign indicating number is suitable for, and the network side entity that carries out follow-up random access procedure abbreviates network side as and detects entity.It can be same network side entity that network side packet entities and network side detect entity.
The embodiment of the invention proposes a kind of random access control method and device, this method and device are organized the information of access style at random that is suitable for by the random access sequence code group information of respectively organizing that obtains on the main and auxiliary frequency with each, and the random access sequence code group information of respectively organizing on the main and auxiliary frequency that will obtain sends to portable terminal with the suitable information of access style at random of each group; Detect the random access sequence sign indicating number that portable terminal sends, and, judge the suitable access style at random of random access sequence sign indicating number that detected portable terminal sends according to the random access sequence code group information information of access style at random suitable of respectively organizing on the main and auxiliary frequency with each group.This method and device are for the N frequency point cell, random access sequence sign indicating number to main and auxiliary frequency has carried out rational grouping and planning, not only allow portable terminal on auxilliary frequency, to send the random access sequence sign indicating number, and reduced the probability of access interference at random of portable terminal, shortened the access delay of portable terminal.
Random access control method provided by the invention comprises following process:
One, obtains respectively organizing the random access sequence code group information and respectively organizing the information of access style at random that the random access sequence code character is suitable on each frequency.
Wherein, the random access sequence sign indicating number on each frequency is divided into groups, form the random access sequence code character, the access style at random that each group of regulation is suitable for by the network side packet entities; And the information of access style at random that random access sequence code group information and each group is suitable for of respectively organizing on each frequency sent to portable terminal, obtain by portable terminal.Divide two parts that this process is described below:
A, grouping process
The network side packet entities divides into groups to comprise following several packet mode to the random access sequence sign indicating number on each frequency:
Packet mode 1, dominant frequency point and all auxilliary frequencies adopt identical group technology
This group technology is applicable to that the auxilliary frequency of dominant frequency point and all has defined identical random access sequence sign indicating number and dominant frequency point is identical with the access style at random of all auxilliary frequencies supports, the random access sequence sign indicating number on each frequency need be divided into the also identical situation of access style at random that identical random access sequence code character and identical random access sequence code character are suitable for.The random access sequence code character that this kind group technology can divide the random access sequence sign indicating number number in groups to equate with the number of access style at random of frequency support, each organizes the random access sequence interblock does not have identical random access sequence sign indicating number, and every group of random access sequence code character is applicable to a kind of access style at random that frequency is supported.
Suppose that the auxilliary frequency of dominant frequency point and all has defined the individual random access sequence sign indicating number of identical N (N is a positive integer), dominant frequency point is all supported identical I kind access style at random with all auxilliary frequencies, then the network side packet entities can be divided into this N random access sequence sign indicating number the I group, each organizes the random access sequence code character does not have identical random access sequence sign indicating number, stipulates that every group of random access sequence code character is applicable to a kind of access style at random.Its grouping process is: the individual random access sequence sign indicating number of regulation M1 (M1≤N, M1 are positive integer) constitutes the 1st group of random access sequence code character, and each the random access sequence sign indicating number in this group all is used for the 1st kind and inserts at random; Stipulate other M2 (M2+M1≤N, M2 is a positive integer) individual random access sequence sign indicating number constitutes the 2nd group of random access sequence code character, each random access sequence sign indicating number in this group all is used for the 2nd kind and inserts at random, and example pushes away successively, up to having stipulated I group random access sequence code character.
With existing TD-SCDMA system is example, the dominant frequency point of a N frequency point cell has all defined 8 identical random access sequence sign indicating numbers with all auxilliary frequencies, dominant frequency point and all auxilliary frequencies all support common insert at random and strengthen at random insert, then the network side packet entities can be divided into two groups with these 8 random access sequence sign indicating numbers, stipulate that wherein m random access sequence sign indicating number constitutes the 1st group of random access sequence code character, be used for common access at random; Stipulate that other 8-m random access sequence sign indicating number constitutes the 2nd group of random access sequence code character, be used for strengthening at random and insert.
Dominant frequency point adopts the advantage of identical group technology to be with all auxilliary frequencies: the network side packet entities only need notify portable terminal a kind of grouping scheme, portable terminal just can obtain respectively organizing the random access sequence code group information and respectively organizing the information of access style at random that is suitable for, therefore the expense minimum of this group technology on all frequencies.
Packet mode 2, dominant frequency point adopt certain group technology, and all auxilliary frequencies adopt another group technology
It is identical that this group technology is applicable to that all auxilliary frequencies have defined the access style at random that the auxilliary frequency of identical random access sequence sign indicating number and all supports, the random access sequence sign indicating number on each auxilliary frequency need be divided into the also identical situation of access style at random that identical random access sequence code character and identical random access sequence code character are suitable for.This kind method can be divided into the random access sequence sign indicating number of assisting frequency definition the random access sequence code character that the number of group equates with the number of access style at random of auxilliary frequency support, each organizes the random access sequence interblock does not have identical random access sequence sign indicating number, and every group of random access sequence code character is applicable to a kind of access style at random that auxilliary frequency is supported; The random access sequence code character of dividing number in groups to equate the random access sequence sign indicating number of dominant frequency point definition with the number of access style at random of dominant frequency point support, each organizes the random access sequence interblock does not have identical random access sequence sign indicating number, and every group of random access sequence code character is applicable to a kind of access style at random that dominant frequency point is supported.
Suppose that dominant frequency point has defined N1 random access sequence sign indicating number, dominant frequency point is supported I1 kind access style at random; Each auxilliary frequency has defined N2 identical random access sequence sign indicating number, each auxilliary frequency is all supported the access style at random that the I2 kind is identical, then the network side packet entities can be divided into the N1 on the dominant frequency point random access sequence sign indicating number the I1 group, each organizes the random access sequence code character does not have identical random access sequence sign indicating number, and every group of random access sequence code character is applicable to a kind of access style at random; The network side packet entities can be divided into N2 random access sequence sign indicating number the I2 group, and each organizes the random access sequence code character does not have identical random access sequence sign indicating number, and every group of random access sequence code character is applicable to a kind of access style at random.
For this group technology, the network side packet entities need be notified portable terminal dominant frequency point and assist grouping scheme on the frequency.
Packet mode 3, each frequency adopt independent a kind of group technology
This group technology is applicable to that each frequency in the main and auxiliary frequency has defined different random access sequence sign indicating numbers, perhaps needs the random access sequence sign indicating number on each frequency is divided into the situation of different random access sequence code characters.The random access sequence code character that this kind method can divide the random access sequence sign indicating number of each frequency definition number in groups to equate with the number of access style at random of this frequency support, each organizes the random access sequence interblock does not have identical random access sequence sign indicating number, and every group of random access sequence code character is applicable to a kind of access style at random that this frequency is supported.
This group technology is more flexible, can divide into groups to the random access sequence sign indicating number on each frequency according to system configuration, and the network side packet entities need be notified the grouping scheme on each frequency of portable terminal.
Below only be several attainable random access sequence sign indicating number group technologies, specifically the random access sequence sign indicating number on each frequency is divided into several groups, every group and defines the specific implementation that several random access sequence sign indicating numbers then depend on system.For example: the random access sequence sign indicating number of network side packet entities on can regulation dominant frequency point all is used for commonly inserting at random, and the random access sequence sign indicating number on the auxilliary frequency all is used for strengthening at random and inserts.
In addition, the network side packet entities can also be numbered the random access sequence code character of respectively organizing on the main and auxiliary frequency, stipulates that the corresponding random access sequence code character of identical numbering is applicable to a kind of access style at random on the main and auxiliary frequency; Can the random access sequence code character of respectively organizing on the main and auxiliary frequency be numbered yet, but stipulate the access style at random that each group on the main and auxiliary frequency is suitable for according to the order that portable terminal receives the random access sequence code character, such as, but first group of random access sequence code character on the main and auxiliary frequency that the regulation portable terminal receives is used for strengthening access at random, second group of machine access sequence group is used for common access at random, and the like.
As seen, the network side packet entities has been carried out rational grouping and planning to the random access sequence sign indicating number on the main and auxiliary frequency, make the random access sequence sign indicating number on each frequency that unique suitable access style at random be arranged, help reducing the probability of access interference at random of portable terminal, the access delay of shortening portable terminal.
B, notification procedure
After the network side packet entities is finished grouping to random access sequence sign indicating number on the main and auxiliary frequency, need the notice portable terminal, make portable terminal obtain the grouping information of random access sequence sign indicating number on the main and auxiliary frequency.
The mode of network side packet entities notice portable terminal comprises following several:
Advice method 1: by special-purpose control messages, for example the RRC signaling is notified single mobile terminal.
Advice method 2: notify whole portable terminals by broadcast.
Because all portable terminals in the network all need obtain the grouping information of random access sequence sign indicating number on the main and auxiliary frequency, therefore usually by the whole portable terminals in the broadcast informing network.
On the main and auxiliary frequency of network side packet entities notice portable terminal respectively organize the random access sequence code group information time, can adopt message format as shown in table 1:
Table 1
For the random access sequence sign indicating number that comprises in every group of random access sequence code character, can utilize bitmap to indicate.For example, 8 random access sequence sign indicating numbers are arranged on the dominant frequency point, the network side packet entities has been divided into two groups with these 8 random access sequence sign indicating numbers, comprise in the 1st group of random access sequence code character and be numbered four random access sequence sign indicating numbers of 1,2,4,5, comprise in the 2nd group of random access sequence code character and be numbered three random access sequence sign indicating numbers of 3,6,7, there is one to be numbered 8 random access sequence sign indicating number and not to be used, then can uses indication field as shown in table 2 below to indicate:
Table 2
| Random access sequence code character 1 | 11011000 |
| Random access sequence code character 2 | 00100110 |
When the network side packet entities adopts the method for packet mode 1 to divide into groups, can be only send the grouping information of random access sequence sign indicating number on the grouping information of random access sequence sign indicating number on the dominant frequency point or the auxilliary frequency to portable terminal;
When the network side packet entities adopts the method for packet mode 2 to divide into groups, can be only send the grouping information of random access sequence sign indicating number on the grouping information of random access sequence sign indicating number on the dominant frequency point and the auxilliary frequency to portable terminal;
When the network side packet entities adopts the method for packet mode 3 to divide into groups, need send the grouping information of random access sequence sign indicating number on each frequency to portable terminal;
When the network side packet entities stipulates that random access sequence sign indicating number on all auxilliary frequencies all is used for carrying out a kind of access style at random, then can only send the grouping information that dominant frequency point is gone up the random access sequence sign indicating number, and not need to send the grouping information of random access sequence sign indicating number on the auxilliary frequency to portable terminal to portable terminal.
Certainly, the network side packet entities also needs the grouping information informing network side of random access sequence sign indicating number on each frequency is detected entity, detect entity acquisition and storage by network side, concrete Notification Method is identical with the method for above-mentioned network side packet entities notice portable terminal, no longer superfluous here stating.
Distinguishingly, under some situation, need detect entity by network side the grouping information of random access sequence sign indicating number on each frequency is notified to portable terminal, its concrete Notification Method also method with above-mentioned network side packet entities notice portable terminal is identical, no longer superfluous here stating.
Wherein,
Two, in the frequency of supporting the access style at random that portable terminal is initiated, selection is applicable to the random access sequence sign indicating number of the access style at random that portable terminal is initiated.
Portable terminal is after the grouping information that obtains random access sequence sign indicating number on the main and auxiliary frequency, when portable terminal will initiate to insert at random, portable terminal is selected a frequency of the access style at random of support portable terminal initiation, selection is applicable to the random access sequence sign indicating number of the access style at random that portable terminal is initiated in this frequency, and this random access sequence sign indicating number of selecting is sent.
During the frequency of the access style at random of initiating as a plurality of support portable terminals, portable terminal can select one of them frequency or agreement to select current working frequency points voluntarily at random; When a plurality of random access sequence sign indicating number that is applicable to the access style at random that portable terminal is initiated was arranged on the frequency that portable terminal is selected, portable terminal can be selected one of them random access sequence sign indicating number at random.
Network side detects entity detection behind the random access sequence sign indicating number of portable terminal transmission, judge the access style at random that detected random access sequence sign indicating number is suitable for according to the grouping information of random access sequence sign indicating number on each frequency of its storage, after learning suitable access style at random, carry out follow-up corresponding random access procedure.For example, when detected random access sequence sign indicating number was applicable to handoff request, then network side detected entity and initiates follow-up handoff procedure; When detected random access sequence sign indicating number was applicable to that enhancing inserts at random, then network side detected entity after the feedback timing advance, waits for that the cache information of mobile terminal receive reports.
As seen, portable terminal is in carrying out random access procedure, by selecting suitable frequency and the random access sequence sign indicating number on the frequency, make portable terminal except can on dominant frequency point, sending the random access sequence sign indicating number, can also on auxilliary frequency, send the random access sequence sign indicating number, make not have the limited situation of random access sequence sign indicating number on the dominant frequency point, reduced the probability of access interference at random of portable terminal, shortened the access delay of portable terminal.
Wherein, the network side packet entities in the embodiment of the invention can be RNC (Radio Network Controller, a radio network controller), and it can be the base station that network side detects entity.
Below in conjunction with the drawings and specific embodiments the random access control method that the embodiment of the invention provides is described in detail:
Embodiment one
Random access sequence sign indicating number in the TD-SCDMA system is generally the SYNC_UL sign indicating number, the N frequency point cell disposes 8 fixing SYNC_UL sign indicating numbers (having defined 8 identical SYNC_UL sign indicating numbers on the main and auxiliary frequency), the embodiment of the invention one is to be example with the SYNC_UL sign indicating number, RNC is as the network side packet entities, entity is detected as network side in the base station, consult shown in Figure 1ly, the embodiment of the invention one specifically may further comprise the steps: S101, RNC divide into groups to the SYNC_UL sign indicating number on the main and auxiliary frequency.
Suppose that RNC is divided into SYNC_UL code character 1 with the SYNC_UL sign indicating number that is numbered 1,2,4,6 on the dominant frequency point, be used for strengthening at random and insert; The SYNC_UL sign indicating number that is numbered 3,5,7,8 on the dominant frequency point is divided into SYNC_UL code character 2, is used for common access at random.RNC is divided into SYNC_UL code character 1 with the SYNC_UL sign indicating number that is numbered 1,3,5,7 on all auxilliary frequencies, is used for strengthening at random inserting; The SYNC_UL sign indicating number that is numbered 2,4,6 on all auxilliary frequencies is divided into SYNC_UL code character 2, is used for direct-cut operation.
S102, RNC by SYNC_UL sign indicating number on the dominant frequency point of NBAP signaling base station grouping information and auxilliary frequency on the grouping information of SYNC_UL sign indicating number.
S103, base station receive and storage dominant frequency point on the grouping information of SYNC_UL sign indicating number on the grouping information of SYNC_UL sign indicating number and the auxilliary frequency.
S104, base station by SYNC_UL sign indicating number on the broadcast notice portable terminal dominant frequency point grouping information and auxilliary frequency on the grouping information of SYNC_UL sign indicating number.
The grouping information of SYNC_UL sign indicating number on the grouping information of SYNC_UL sign indicating number and the auxilliary frequency on the dominant frequency point that S105, portable terminal receive and send the storage base station.
S106, portable terminal are prepared to initiate to strengthen at random to insert.
S107, portable terminal are in all grouping informations of its storage, judgement is learnt dominant frequency point and is assisted frequency and all support to strengthen access at random, then portable terminal is selected a frequency at random, and selects to be applicable in this frequency the SYNC_UL sign indicating number in the SYNC_UL code character that enhancing inserts at random.
Suppose that portable terminal selected 1 the SYNC_UL sign indicating number of being numbered on the auxilliary frequency.
1 the SYNC_UL sign indicating number SYNC_UL sign indicating number of being numbered on the auxilliary frequency that S108, portable terminal will be selected sends to the base station.
After S109, base station detect this SYNC_UL sign indicating number,, judge that the access style at random that this SYNC_UL sign indicating number is suitable for inserts for strengthening at random according to all grouping informations of its storage.
Follow-up enhancing random access procedure is carried out in S110, base station.
The random access control method that the embodiment of the invention one utilizes the embodiment of the invention to provide carries out the random access procedure of portable terminal, SYNC_UL sign indicating number to main and auxiliary frequency has carried out rational grouping and planning, not only allow portable terminal on auxilliary frequency, to send the SYNC_UL sign indicating number, and reduced the probability of access interference at random of portable terminal, shortened the access delay of portable terminal.
Consult shown in Figure 2ly, the embodiment of the invention proposes a kind of access control apparatus at random, comprising:
Send information unit 22, the random access sequence code group information of respectively organizing on the described main and auxiliary frequency that is used for obtaining sends to portable terminal with the information of access style at random that each group is suitable for;
The access control apparatus at random shown in Figure 2 that the embodiment of the invention also proposes can also be arranged in the base station, be provided with this at random the base station of the access control apparatus random access control method that utilizes the embodiment of the invention to provide the access at random of portable terminal is controlled.
Consult shown in Figure 3ly, the embodiment of the invention also proposes a kind of access control apparatus at random, comprising:
Receive information unit 31, be used to receive the random access sequence code group information at random access style information suitable of respectively organizing on the main and auxiliary frequency with each group;
The access control apparatus at random shown in Figure 3 that the embodiment of the invention also proposes can also be arranged in the portable terminal, be provided with this at random the portable terminal of access control apparatus utilize the random access control method that the embodiment of the invention provides to control to inserting at random.
Consult shown in Figure 4ly, the embodiment of the invention also proposes a kind of access control apparatus at random, comprising:
Determining unit 41 is used for the random access sequence code group information at random access style information suitable with each group of respectively organizing on definite main and auxiliary frequency;
The 3rd control unit 42, the random access sequence code group information of respectively organizing on the described main and auxiliary frequency that is used for determining sends to the base station with the information of access style at random that each group is suitable for, make the base station detect the random access sequence sign indicating number that described portable terminal sends, judge the suitable access style at random of random access sequence sign indicating number that detected described portable terminal sends according to the described information that obtains.
The access control apparatus at random shown in Figure 4 that the embodiment of the invention also proposes can also be arranged in the radio network controller, be provided with this at random the radio network controller of the access control apparatus random access control method that utilizes the embodiment of the invention to provide the access at random of portable terminal is controlled.
The embodiment of the invention proposes a kind of random access control method and device, this method and device are organized the information of access style at random that is suitable for by the random access sequence code group information of respectively organizing that obtains on the main and auxiliary frequency with each, and the random access sequence code group information of respectively organizing on the main and auxiliary frequency that will obtain sends to portable terminal with the suitable information of access style at random of each group; Detect the random access sequence sign indicating number that portable terminal sends, and, judge the suitable access style at random of random access sequence sign indicating number that detected portable terminal sends according to the random access sequence code group information information of access style at random suitable of respectively organizing on the main and auxiliary frequency with each group.This method and device are for the N frequency point cell, random access sequence sign indicating number to main and auxiliary frequency has carried out rational grouping and planning, not only allow portable terminal on auxilliary frequency, to send the random access sequence sign indicating number, and reduced the probability of access interference at random of portable terminal, shortened the access delay of portable terminal.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (24)
1, a kind of random access control method is characterized in that, comprising:
Obtain the random access sequence code group information at random access style information suitable of respectively organizing on the main and auxiliary frequency, and the random access sequence code group information of respectively organizing on the described main and auxiliary frequency that will obtain sends to portable terminal with the suitable information of access style at random of each group with each group;
Detect the random access sequence sign indicating number that described portable terminal sends, and, judge the suitable access style at random of random access sequence sign indicating number that detected described portable terminal sends according to the random access sequence code group information information of access style at random suitable of respectively organizing on the described main and auxiliary frequency with each group.
2, the method for claim 1, it is characterized in that, to have defined the access style at random that identical random access sequence sign indicating number and described dominant frequency point and all auxilliary frequencies support identical when the auxilliary frequency of described dominant frequency point and all, the access style at random that the identical and identical random access sequence code character of the random access sequence code group information that is divided into is suitable for is also identical, and then the random access sequence code group information of respectively organizing on the described main and auxiliary frequency of Huo Deing comprises with the information of access style at random that each group is suitable for:
Respectively organize the information of access style at random that random access sequence code group information and each group are suitable on described dominant frequency point or the auxilliary frequency, wherein, the number of described random access sequence code character equates with the number of access style at random of described support, each organizes the random access sequence interblock does not have identical random access sequence sign indicating number, and every group of random access sequence code character is applicable to a kind of access style at random in the access style at random of described support.
3, the method for claim 1, it is characterized in that, the access style at random that has defined identical random access sequence sign indicating number and all auxilliary frequency supports when described all auxilliary frequencies is identical, the access style at random that the identical and identical random access sequence code character of the random access sequence code group information that is divided into is suitable for is also identical, and then the random access sequence code group information of respectively organizing on the described main and auxiliary frequency of Huo Deing comprises with the information of access style at random that each group is suitable for:
Respectively organize the information of access style at random that random access sequence code group information and each group are suitable on described dominant frequency point and the auxilliary frequency, wherein, the number of random access sequence code character equates with the number of access style at random that described auxilliary frequency is supported on the described auxilliary frequency, each organizes the random access sequence interblock does not have identical random access sequence sign indicating number, and every group of random access sequence code character is applicable to a kind of access style at random that described auxilliary frequency is supported; The number that described dominant frequency point is gone up the random access sequence code character equates with the number of access style at random that described dominant frequency point is supported, each organizes the random access sequence interblock does not have identical random access sequence sign indicating number, and every group of random access sequence code character is applicable to a kind of access style at random that described dominant frequency point is supported.
4, the method for claim 1, it is characterized in that, each frequency in described main and auxiliary frequency has defined the difference of access style at random of different random access sequence sign indicating numbers or the support of each frequency, the perhaps random access sequence code group information difference that is divided into of each frequency, then the information of access style at random that random access sequence code group information and each group be suitable for of respectively organizing on the described main and auxiliary frequency of Huo Deing comprises:
The random access sequence code group information at random access style information suitable of respectively organizing on described each frequency with each group, wherein, the number of random access sequence code character equates with the number of access style at random that this frequency is supported on each frequency, each organizes the random access sequence interblock does not have identical random access sequence sign indicating number, and every group of random access sequence code character is applicable to a kind of access style at random that this frequency is supported.
5, method as claimed in claim 2 is characterized in that, the random access sequence code group information of respectively organizing on the described main and auxiliary frequency that obtains is comprised with the method that the suitable information of access style at random of each group sends to portable terminal:
The information of access style at random that random access sequence code group information and each group be suitable for of respectively organizing on described dominant frequency point or the auxilliary frequency is sent to described portable terminal.
6, method as claimed in claim 3 is characterized in that, the random access sequence code group information of respectively organizing on the described main and auxiliary frequency that obtains is comprised with the method that the suitable information of access style at random of each group sends to portable terminal:
The information of access style at random that random access sequence code group information and each group be suitable for of respectively organizing on described dominant frequency point and the auxilliary frequency is sent to described portable terminal.
7, method as claimed in claim 4 is characterized in that, the random access sequence code group information of respectively organizing on the described main and auxiliary frequency that obtains is comprised with the method that the suitable information of access style at random of each group sends to portable terminal:
The random access sequence code group information of respectively organizing on described each frequency is sent to described portable terminal with the information of access style at random that each group is suitable for.
8, a kind of access control apparatus at random is characterized in that, comprising:
The acquired information unit, the random access sequence code group information of respectively organizing that is used to obtain on the main and auxiliary frequency is organized the information of access style at random that is suitable for each;
Send information unit, the random access sequence code group information of respectively organizing on the described main and auxiliary frequency that is used for obtaining sends to portable terminal with the information of access style at random that each group is suitable for;
First control unit, be used to detect the random access sequence sign indicating number that described portable terminal sends, and, judge the suitable access style at random of random access sequence sign indicating number that detected described portable terminal sends according to the random access sequence code group information information of access style at random suitable of respectively organizing on the described main and auxiliary frequency with each group.
9, a kind of base station is characterized in that, comprising:
The acquired information unit, the random access sequence code group information of respectively organizing that is used to obtain on the main and auxiliary frequency is organized the information of access style at random that is suitable for each;
Send information unit, the random access sequence code group information of respectively organizing on the described main and auxiliary frequency that is used for obtaining sends to portable terminal with the information of access style at random that each group is suitable for;
First control unit, be used to detect the random access sequence sign indicating number that described portable terminal sends, and, judge the suitable access style at random of random access sequence sign indicating number that detected described portable terminal sends according to the random access sequence code group information information of access style at random suitable of respectively organizing on the described main and auxiliary frequency with each group.
L0, a kind of random access control method is characterized in that, comprising:
Receive the random access sequence code group information at random access style information suitable of respectively organizing on the main and auxiliary frequency with each group;
According to the described information that receives, in the frequency of supporting the access style at random that portable terminal is initiated, selection is applicable to the random access sequence sign indicating number of the access style at random that described portable terminal is initiated.
11, method as claimed in claim 10, it is characterized in that, to have defined the access style at random that identical random access sequence sign indicating number and described dominant frequency point and all auxilliary frequencies support identical when the auxilliary frequency of described dominant frequency point and all, the access style at random that the identical and identical random access sequence code character of the random access sequence code group information that is divided into is suitable for is also identical, and then the random access sequence code group information of respectively organizing on the described main and auxiliary frequency of Jie Shouing comprises with the information of access style at random that each group is suitable for:
Respectively organize the information of access style at random that random access sequence code group information and each group are suitable on described dominant frequency point or the auxilliary frequency, wherein, the number of described random access sequence code character equates with the number of access style at random of described support, each organizes the random access sequence interblock does not have identical random access sequence sign indicating number, and every group of random access sequence code character is applicable to a kind of access style at random in the access style at random of described support.
12, method as claimed in claim 10, it is characterized in that, the access style at random that has defined identical random access sequence sign indicating number and all auxilliary frequency supports when described all auxilliary frequencies is identical, the access style at random that the identical and identical random access sequence code character of the random access sequence code group information that is divided into is suitable for is also identical, and then the random access sequence code group information of respectively organizing on the described main and auxiliary frequency of Jie Shouing comprises with the information of access style at random that each group is suitable for:
Respectively organize the information of access style at random that random access sequence code group information and each group are suitable on described dominant frequency point and the auxilliary frequency, wherein, the number of random access sequence code character equates with the number of access style at random that described auxilliary frequency is supported on the described auxilliary frequency, each organizes the random access sequence interblock does not have identical random access sequence sign indicating number, and every group of random access sequence code character is applicable to a kind of access style at random that described auxilliary frequency is supported; The number that described dominant frequency point is gone up the random access sequence code character equates with the number of access style at random that described dominant frequency point is supported, each organizes the random access sequence interblock does not have identical random access sequence sign indicating number, and every group of random access sequence code character is applicable to a kind of access style at random that described dominant frequency point is supported.
13, method as claimed in claim 10, it is characterized in that, each frequency in described main and auxiliary frequency has defined the difference of access style at random of different random access sequence sign indicating numbers or the support of each frequency, the perhaps random access sequence code group information difference that is divided into of each frequency, then the information of access style at random that random access sequence code group information and each group be suitable for of respectively organizing on the described main and auxiliary frequency of Jie Shouing comprises:
The random access sequence code group information at random access style information suitable of respectively organizing on described each frequency with each group, wherein, the number of random access sequence code character equates with the number of access style at random that this frequency is supported on each frequency, each organizes the random access sequence interblock does not have identical random access sequence sign indicating number, and every group of random access sequence code character is applicable to a kind of access style at random that this frequency is supported.
14, a kind of access control apparatus at random is characterized in that, comprising:
Receive information unit, be used to receive the random access sequence code group information at random access style information suitable of respectively organizing on the main and auxiliary frequency with each group;
Second control unit is used for according to the described information that receives, and in the frequency of supporting the access style at random that portable terminal is initiated, selection is applicable to the random access sequence sign indicating number of the access style at random that described portable terminal is initiated.
15, a kind of portable terminal is characterized in that, comprising:
Receive information unit, be used to receive the random access sequence code group information at random access style information suitable of respectively organizing on the main and auxiliary frequency with each group;
Second control unit is used for according to the described information that receives, and in the frequency of supporting the access style at random that portable terminal is initiated, selection is applicable to the random access sequence sign indicating number of the access style at random that described portable terminal is initiated.
16, a kind of random access control method is characterized in that, comprising:
Determine the random access sequence code group information at random access style information suitable of respectively organizing on the main and auxiliary frequency with each group;
The random access sequence code group information of respectively organizing on the described main and auxiliary frequency of determining is sent to the base station with the information of access style at random that each group is suitable for, make the base station detect the random access sequence sign indicating number that described portable terminal sends, judge the suitable access style at random of random access sequence sign indicating number that detected described portable terminal sends according to the described information that obtains.
17, method as claimed in claim 16 is characterized in that, the random access sequence code group information of respectively organizing on described definite main and auxiliary frequency comprises with each method of organizing the information of access style at random that is suitable for:
The random access sequence code character of dividing number in groups to equate the random access sequence sign indicating number that defines on described each frequency with the number of access style at random of this frequency support, each organizes the random access sequence interblock does not have identical random access sequence sign indicating number, every group of random access sequence code character is applicable to a kind of access style at random that this frequency is supported, and the random access sequence code group information difference that is divided on each frequency.
18, method as claimed in claim 16 is characterized in that, the random access sequence code group information of respectively organizing on described definite main and auxiliary frequency comprises with each method of organizing the information of access style at random that is suitable for:
When the auxilliary frequency of described dominant frequency point and all defined that identical random access sequence sign indicating number and described dominant frequency point and all auxilliary frequencies support access style is identical at random the time, the random access sequence code character of dividing number in groups to equate described random access sequence sign indicating number with the number of access style at random of described support, each organizes the random access sequence interblock does not have identical random access sequence sign indicating number, and every group of random access sequence code character is applicable to a kind of access style at random in the access style at random of described support.
19, method as claimed in claim 16 is characterized in that, the random access sequence code group information of respectively organizing on described definite main and auxiliary frequency comprises with each method of organizing the information of access style at random that is suitable for:
When described all auxilliary frequencies defined that the auxilliary frequency of identical random access sequence sign indicating number and all supports access style is identical at random the time, the random access sequence code character that the random access sequence sign indicating number that described auxilliary frequency is defined divides number in groups to equate with the number of access style at random of described auxilliary frequency support, each organizes the random access sequence interblock does not have identical random access sequence sign indicating number, and every group of random access sequence code character is applicable to a kind of access style at random that described auxilliary frequency is supported;
The random access sequence code character of dividing number in groups to equate the random access sequence sign indicating number of described dominant frequency point definition with the number of access style at random of described dominant frequency point support, each organizes the random access sequence interblock does not have identical random access sequence sign indicating number, and every group of random access sequence code character is applicable to a kind of access style at random that described dominant frequency point is supported.
20, method as claimed in claim 16 is characterized in that, the described method of determining on the main and auxiliary frequency of respectively organizing the information of access style at random that random access sequence code group information and each group be suitable for also comprises:
Each frequency in described main and auxiliary frequency has defined access style at random that different random access sequence sign indicating numbers or each frequency support not simultaneously, the random access sequence code character that the random access sequence sign indicating number that each frequency is defined divides number in groups to equate with the number of access style at random of this frequency support, each organizes the random access sequence interblock does not have identical random access sequence sign indicating number, and every group of random access sequence code character is applicable to a kind of access style at random that this frequency is supported.
21, method as claimed in claim 18 is characterized in that, the random access sequence code group information of respectively organizing on the described main and auxiliary frequency of determining is comprised with the method that the suitable information of access style at random of each group sends to the base station:
The information of access style at random that random access sequence code group information and each group be suitable for of respectively organizing on described dominant frequency point or the auxilliary frequency is sent to the base station.
22, method as claimed in claim 19 is characterized in that, the random access sequence code group information of respectively organizing on the described main and auxiliary frequency of determining is comprised with the method that the suitable information of access style at random of each group sends to the base station:
The information of access style at random that random access sequence code group information and each group be suitable for of respectively organizing on described dominant frequency point and the auxilliary frequency is sent to described base station.
23, as claim 17 or 20 described methods, it is characterized in that, the random access sequence code group information of respectively organizing on the described main and auxiliary frequency of determining comprised with the method that the suitable information of access style at random of each group sends to the base station:
The random access sequence code group information of respectively organizing on described each frequency is sent to described base station with the information of access style at random that each group is suitable for.
24, a kind of processing unit that inserts at random is characterized in that, comprising:
Determining unit is used for the random access sequence code group information at random access style information suitable with each group of respectively organizing on definite main and auxiliary frequency;
The 3rd control unit, the random access sequence code group information of respectively organizing on the described main and auxiliary frequency that is used for determining sends to the base station with the information of access style at random that each group is suitable for, make the base station detect the random access sequence sign indicating number that described portable terminal sends, judge the suitable access style at random of random access sequence sign indicating number that detected described portable terminal sends according to the described information that obtains.
25, a kind of radio network controller is characterized in that, comprising:
Determining unit is used for the random access sequence code group information at random access style information suitable with each group of respectively organizing on definite main and auxiliary frequency;
The 3rd control unit, the random access sequence code group information of respectively organizing on the described main and auxiliary frequency that is used for determining sends to the base station with the information of access style at random that each group is suitable for, make the base station detect the random access sequence sign indicating number that described portable terminal sends, judge the suitable access style at random of random access sequence sign indicating number that detected described portable terminal sends according to the described information that obtains.
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| CN2007101788286A CN101453772B (en) | 2007-12-05 | 2007-12-05 | Random access control method and apparatus |
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| CN2007101788286A CN101453772B (en) | 2007-12-05 | 2007-12-05 | Random access control method and apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012155693A1 (en) * | 2011-08-01 | 2012-11-22 | 中兴通讯股份有限公司 | Prach transmission method and device in carrier aggregation |
| CN104581956A (en) * | 2014-12-05 | 2015-04-29 | 大唐移动通信设备有限公司 | Frequency point distribution method and equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6026118A (en) * | 1998-01-05 | 2000-02-15 | Intel Corporation | Method for using circular spreading codes to achieve high bit densities in a direct-sequence spread spectrum communication system |
| CN100377540C (en) * | 2004-08-07 | 2008-03-26 | 华为技术有限公司 | Multi-carrier frequency system access method |
| CN101064560B (en) * | 2006-04-29 | 2012-07-25 | 中兴通讯股份有限公司 | Method for identifying random access of time-division synchronous CDMA system |
| CN101064908B (en) * | 2006-04-30 | 2010-04-14 | 中兴通讯股份有限公司 | Method for identifying different service random access in time-division synchronous CDMA system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012155693A1 (en) * | 2011-08-01 | 2012-11-22 | 中兴通讯股份有限公司 | Prach transmission method and device in carrier aggregation |
| CN104581956A (en) * | 2014-12-05 | 2015-04-29 | 大唐移动通信设备有限公司 | Frequency point distribution method and equipment |
| CN104581956B (en) * | 2014-12-05 | 2018-06-26 | 大唐移动通信设备有限公司 | A kind of frequency point allocation method and equipment |
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