CN102369745B - Method and device for sending and receiving system information - Google Patents
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Abstract
A method and a device for sending and receiving system information are provided, which belong to the wireless communication field. The invention is made for solving the problem of the prior art that the user equipment couldn't obtain the SI-1 in the first system information scheduling period with a smaller system information window. A method for sending system information provided by the embodiment of the invention includes: obtaining the sending parameter of the SI-n system information; sending the primary information block and the system information block 1 containing the sending parameter, and sending the SI-n system information according to the sending parameter of the SI-n system information. With the invention, the power consumption of the user equipment for listening to the system information could be decreased greatly.
Description
Technical field
The present invention relates to wireless communication technology field, particularly a kind of sending, receiving method of system information and device.
Background technology
At UE (User Equipment, subscriber equipment), carry out in the process of radio communication with network side system, network side system sends to all UE by the mode of broadcast by SI (system information, system information).In SI, comprise UE and carried out the required most parameters of radio communication.UE operates ，Ru community selection/reselection accordingly by obtaining described parameter, resident, makes a call etc.If UE can not receiving system information or received wrong system information, UE almost can not carry out any operation, brings potential hidden danger to system stability simultaneously.At LTE (Long Term Evolution, Long Term Evolution) in network, the system information SI that network side sends is divided into MIB (Master Information Block, Master Information Block) and SIB (System Information Blocks, system information block).Wherein, described SIB comprises: a plurality of SIB-s such as SIB1, SIB-2.Above-described MIB and SIB1 are used fixing SI scheduling mode; Other SIB-s beyond SIB1 adopt SI dynamic dispatching mode.The mapping relations that include scheduling SIB-s and SI message in the schedule information of described SIB1; For example: SIB-2 is fixing is mapped to SI-1.
When network side base station eNB and when UE need to communicate or the SI of network side eNB need to change, eNB receives SI by paging (beep-page message) notice UE.ENB carries out periodicity SI by window window to be broadcasted.Wherein, described system information length of window is Si-WindowLength; Si-WindowLength is an absolute numerical value, and span is [1,2,5,10,15,20,40], and unit is subframe.In described SIB1, indicate all SI to use common Si-WindowLength and indicate UE to start to receive and resolve SI-n.Therefore,, after only having UE to receive and having resolved SIB1, just can carry out the reception parse operation of other SI.A window the inside, eNB need to not send corresponding SIB in each subframe, and whether eNB can select to send according to the scheduling load condition of each subframe freely.Concerning UE, in window, must monitor continuously, until UE correctly receives all SI.
Summary of the invention
The embodiment of the present invention provides a kind of sending, receiving method and device of system information, to realize in the situation that Si-WindowLength gets smaller value, can receive SI-1 in the first systematic message scheduling cycle.
For achieving the above object, the embodiment of the present invention provides a kind of sending method of system information on the one hand, comprising:
Obtain the transmission parameter of SI-n system information;
Send Master Information Block and the system information block 1 that comprises described transmission parameter and send SI-n system information according to the transmission parameter of described SI-n system information.
On the other hand, the embodiment of the present invention provides a kind of method of reseptance of system information, comprising:
Receive Master Information Block and include the system information block 1 that SI-n system information sends parameter;
According to described transmission parameter, receive SI-n system information.
On the one hand, the embodiment of the present invention also provides a kind of dispensing device of system information, comprising again:
Parameter acquiring unit, for obtaining the transmission parameter of SI-n system information;
Information transmitting unit, for sending Master Information Block and the system information block 1 that comprises described transmission parameter and sending SI-n system information according to the transmission parameter of described SI-n system information.
On the one hand, the embodiment of the present invention also provides a kind of receiving system of system information, comprising again:
Block of information receiving element, for receiving Master Information Block and including the system information block 1 that SI-n system information sends parameter;
System information receiving element, for according to described transmission parameter, receives SI-n system information.
The embodiment of the present invention provides a kind of sending, receiving method and device of system information, network side system can be by obtaining the transmission parameter of SI-n system information, send Master Information Block and the system information block 1 that comprises described transmission parameter and send SI-n system information according to the transmission parameter of described SI-n system information, thereby network side system can be adjusted the transmission position of SI-n system information by the transmission parameter of SI-n system information; After soon the transmission location of SI-n system information will be adjusted to system information block 1.Corresponding user side equipment can include the system information block 1 that SI-n system information sends parameter by reception; Thereby according to described transmission parameter, receive SI-n system information.Due to after the transmission location adjustment of SI-n system information arrived system information block 1, described in the situation that Si-WindowLength value is less, can receive SI-1 and other SI-n in the first systematic message scheduling cycle.Like this, subscriber equipment just can receive all system informations within the first system message scheduling cycle, has shortened the time of monitoring system information, thereby greatly reduces the monitoring power consumption of subscriber equipment.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The sending method flow chart of a kind of system information that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 for the embodiment of the present invention provide when described transmission parameter comprises the schedule information of SI-n system information, the sending method flow chart of system information;
Fig. 3 for the embodiment of the present invention provide when described transmission parameter comprises the schedule information of SI-n system information of SI-1 system information length of window, the sending method flow chart of system information;
The method of reseptance flow chart of a kind of system information that Fig. 4 provides for the embodiment of the present invention;
Fig. 5 for the embodiment of the present invention provide when described transmission parameter comprises the schedule information of SI-n system information, the method for reseptance flow chart of system information;
Fig. 6 for the embodiment of the present invention provide when described transmission parameter comprises the schedule information of SI-n system information of SI-1 system information length of window, the method for reseptance flow chart of system information;
The dispensing device structural representation of a kind of system information that Fig. 7 provides for the embodiment of the present invention;
The receiving system structural representation of a kind of system information that Fig. 8 provides for the embodiment of the present invention;
The transmission flow figure of the sending method of a kind of system information that Fig. 9 provides for the embodiment of the present invention;
The sending method transmission flow figure of a kind of system information that Figure 10 provides for the embodiment of the present invention;
The sending method transmission flow figure of a kind of system information that Figure 11 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
When system information need to change, eNB in a MP (Modification Period, period of change) by beep-page message paging notice UE, after striding across the border of described MP, in the next MP new system information of going on the air.
In the situation that Si-WindowLength gets smaller value, after UE need to receive and resolved SIB1, the SI-n that just can receive other receives parse operation.The radio frames that the algorithm that obtains SI-n according to existing UE can be determined network side eNB transmission SI-n with and subframe position.Wherein, the transmission of SI-1, prior to described SIB1, makes UE within the first systematic message scheduling cycle, to obtain SI-1; Cannot to SI-1, receive parsing in the first systematic message scheduling cycle; UE must wait until that the next scheduling system information cycle could receive and resolve SI-1, thereby the time delay that causes UE to resolve SI-1 message sink has also increased the monitoring power consumption of UE simultaneously.
As shown in Figure 1, the sending method of a kind of system information providing for the embodiment of the present invention, the method comprises:
101: the transmission parameter of obtaining SI-n system information; This step is obtained the transmission parameter of SI-n system information by network side base station eNB; This parameter comprises: the schedule information of SI-n system information or the SI-n scheduling system information information that comprises lengthening SI-1 system information length of window;
102: send Master Information Block and the system information block 1 that comprises described transmission parameter and send SI-n system information according to the transmission parameter of described SI-n system information.This step, after eNB can adjust to SIB1 by the transmission original position of described SI-n system information by the schedule information of SI-n system information, thereby makes UE after receiving SIB1, can within the first system message scheduling cycle, receive SI-1; Or by lengthening SI-1 system information length of window, the transmission SI-1 repeating in described lengthening SI-1 system information window, makes after UE receives SIB1, can also continue to receive SI-1 in lengthening SI-1 system information window.
Below for the mode of above-mentioned two kinds of transmitting system information mentioning, the embodiment of the present invention is described in detail respectively.Following examples are mentioned intermediate variable x for determining the transmission original position of sending SI-n system information; Be the initial radio frames of SI-n and subframe original position.
When described transmission parameter comprises: during the schedule information of SI-n system information, as shown in Figure 2, and the sending method of a kind of system information providing for the embodiment of the present invention, the method comprises:
201: the schedule information of obtaining SI-n system information;
202: according to the schedule information of described SI-n system information, after the transmission original position of described SI-1 and other SI-n system informations is dispatched to SIB1; Wherein, the dispatching method of the transmission original position of described SI-1 and other SI-n system informations comprises:
Method one:
1) determine intermediate variable x; X=(n-1) * Si-WindowLength, wherein n refers to the n in SI-n, n is more than or equal to 1.
2) determine the transmission original position that sends SI-n system information; Be the initial radio frames of SI-n and subframe position, concrete algorithm is:
Subframe original position: a=x mod 10;
Radio frames original position: SFN mod dispatching cycle=FLOOR (x/10)+1.Wherein, SFN (System Frame Number, System Frame Number).
The present embodiment by by FLOOR (x/10)+1 by the radio frames of the backward mobile Liao Yige unit in former initial transmission position, thereby make after the initial transmission position of SI-n adjusts to SIB1.
Method two:
1) determine intermediate variable x; X=(n-1) * Si-WindowLength+10, wherein n refers to the n in SI-n, n is more than or equal to 1.
2) determine the transmission original position that sends SI-n system information; Be the initial radio frames of SI-n and subframe position, concrete algorithm is:
Subframe original position: a=x mod 10;
Radio frames original position: SFN mod dispatching cycle=FLOOR (x/10).
The present embodiment passes through x=(n-1) * Si-WindowLength+10, intermediate variable is postponed to 10Ge unit, thereby make the radio frames of the backward mobile Liao Yige unit in former initial transmission position of SI-n system information, thereby make after the initial transmission position of SI-n adjusts to SIB1.
Below described method one and method two are carried out to instance analysis, as shown in Figure 9, within the dispatching cycle of SI, establish Si-WindowLength and be: 5ms; The original position of the transmission of MIB is: the 0th work song frame of No. 0 radio frames; The original position of the transmission of SIB1 is: the 5th work song frame of No. 0 radio frames; The dispatching cycle of described SI is as shown in table 1 below:
Table 1
By described method one:
When n=1,
Intermediate variable x=(n-1) * Si-WindowLength=(1-1) * 5ms=0;
Subframe original position a=x mod 10=0 mod 10=0;
Radio frames original position: FLOOR (x/10)+1=FLOOR (0/10)+1=1;
That is: the original position of the transmission of SI-1 is: the 0th work song frame of No. 1 radio frames;
When n=2,
Intermediate variable x=(n-1) * Si-WindowLength=(2-1) * 5ms=5;
Subframe original position a=x mod 10=5 mod 1 0=5;
Radio frames original position: FLOOR (x/10)+1=FLOOR (5/10)+1=1;
That is: the original position of the transmission of SI-2 is: the 5th work song frame of No. 1 radio frames;
When n=3,
Intermediate variable x=(n-1) * Si-WindowLength=(3-1) * 5ms=10;
Subframe original position a=x mod 10=10 mod 10=0;
Radio frames original position: FLOOR (x/10)+1=FLOOR (10/10)+1=2;
That is: the original position of the transmission of SI-3 is: the 0th work song frame of No. 2 radio frames.
By method two, calculate knownly, the transmission original position of each SI-n is identical with method one:
Above-mentioned SI-1 is compared to the original position of the original position of the transmission of SI-3 and the transmission of SIB1, described SI-1 is after the original position of the transmission of SI-3 has all been scheduled for SIB1, thereby when UE carries out frame reception according to described sending order, make UE can within the first systematic message scheduling cycle, first receive SIB1, again according to the SIB1 receiving, receive SI-1, thereby shortened the time of UE monitoring system information, greatly reduce UE and monitor power consumption.Wherein, in the SI-1 of above-mentioned reception, include SIB-2; Wherein, in described SIB-2, include UE and initiate to access immediately required information, as information such as PRACH (PhysicalRandom Access Channel, Physical Random Access Channel) configurations.If UE needs to initiate Physical Random Access Channel message within the first systematic message scheduling cycle, UE can carry out correct configuration according to the SI-1 of above-mentioned reception.
Method three:
1) determine intermediate variable x; X=(n-1) * Si-WindowLength+5, wherein n refers to the n in SI-n, n is more than or equal to 1.
2) determine the transmission original position that sends SI-n system information; Be the initial radio frames of SI-n and subframe position, concrete algorithm is:
Subframe original position: a=x mod 10;
Radio frames original position: SFN mod dispatching cycle=FLOOR (x/10).
As shown in figure 10, within the dispatching cycle of SI, establish Si-WindowLength and be: 5ms; The original position of the transmission of MIB is: the 0th work song frame of No. 0 radio frames; The original position of the transmission of SIB1 is: the 5th work song frame of No. 0 radio frames; The dispatching cycle of described SI is as shown in Table 1: known by described method three:
When n=1,
Intermediate variable x=(n-1) * Si-WindowLength+5=(1-1) * 5ms+5=5;
Subframe original position a=x mod 10=5 mod 10=5;
Radio frames original position: FLOOR (x/1 0)=FLOOR (5/1 0)=0;
That is: the original position of the transmission of SI-1 is: the 5th work song frame of No. 0 radio frames;
When n=2,
Intermediate variable x=(n-1) * Si-WindowLength+5=(2-1) * 5ms+5=10;
Subframe original position a=x mod 10=10 mod 10=0;
Radio frames original position: FLOOR (x/10)=FLOOR (10/10)=1;
That is: the original position of the transmission of SI-2 is: the 0th work song frame of No. 1 radio frames;
When n=3,
Intermediate variable x=(n-1) * Si-WindowLength+5=(3-1) * 5,ms+,5=1 5;
Subframe original position a=x mod 10=15 mod 10=5;
Radio frames original position: FLOOR (x/10)=FLOOR (15/10)=1;
That is: the original position of the transmission of SI-3 is: the 5th work song frame of No. 1 radio frames.
Above-mentioned SI-1 is compared with the original position of the transmission of SIB 1 to the original position of the transmission of SI-3, the original position of the transmission of described SI-1 is the same with the original position of the transmission of described SIB1, thereby when UE carries out frame reception according to described sending order, when UE receives and resolved after described SIB1, the system information window of SI-1 is also receiving SI-1, UE just can be according to the described SIB1 receiving like this, system information window at SI-1 continues to receive SI-1, just make UE within the first systematic message scheduling cycle, to receive SI-1, thereby shortened the time of UE monitoring system information, greatly reduce UE and monitor power consumption.
It should be noted that method three is applicable to processing speed UE faster.
203: send the system information block 1 of Master Information Block and the schedule information that comprises SI-n system information and send SI-n system information according to the transmission parameter of described SI-n system information.
When described transmission parameter comprises: while comprising the SI-n scheduling system information information that lengthens SI-1 system information length of window, as shown in Figure 3, and the sending method of a kind of system information providing for the embodiment of the present invention, the method comprises:
301: obtain and comprise the SI-n scheduling system information information that lengthens SI-1 system information length of window;
302: according to comprising the SI-n scheduling system information information that lengthens SI-1 system information length of window, adjust the transmission original position of described other SI-n system informations; Wherein, comprise the SI-n scheduling system information information that lengthens SI-1 system information length of window, the method for transmission original position of adjusting other SI-n system informations is as follows:
(1) by revising the system information length of window Si-WindowLength of SI-1 message, system information length of window is increased, adopt and lengthen SI-1 system information length of window, for example: can make Si-WindowLength be greater than 10ms, make UE after receiving SIB1, also have time enough to receive SI-1 message.
(2) according to described lengthening SI-1 system information length of window, the transmission original position of other SI-n is prolonged in turn afterwards.The method of the transmission original position of obtaining SI-1 and other SI-n that it is concrete is as follows:
1) determine intermediate variable x; When n=1, x=0,
When n > 1, x=si-WindowLength of SI-1+ (n-2) * si-WindowLength ofothers,
Wherein n refers to the n in SI-n;
2) initial radio frames and the subframe position of transmission SI-n determined in base station, and concrete algorithm is:
Subframe position: a=x mod 10,
Radio frames position: SFN mod dispatching cycle=FLOOR (x/10),
As shown in figure 11, within the dispatching cycle of SI, establishing described lengthening SI-1 system information length of window is 15ms; Other SI-n system information length of window are 5ms; The original position of the transmission of MIB is: the 0th work song frame of No. 0 radio frames; The original position of the transmission of SIB1 is: the 5th work song frame of No. 0 radio frames; The dispatching cycle of described SI is as shown in Table 1, as follows according to the transmission original position of the known SI-1 of said method and SI-n:
The original position of the transmission of SI-1 is: the 0th work song frame of No. 0 radio frames;
The original position of the transmission of SI-2 is: the 5th work song frame of No. 1 radio frames;
The original position of the transmission of SI-3 is: the 0th work song frame of No. 2 radio frames.
Above-mentioned SI-1 is compared to the original position of the original position of the transmission of SI-3 and the transmission of SIB1, eNB after sending SIB1, within a certain period of time in the window that lengthens SI-1 system information length of window also at transmission SI-1 repeatedly; Thereby make after UE receives SIB1, the system information receive window of SI-1 does not also finish, and UE can also continue to receive SI-1.
303: the SIB1 that sends Master Information Block and comprise the SI-n scheduling system information information that lengthens SI-1 system information length of window;
304: according to the described SI-n scheduling system information information that lengthens SI-1 system information length of window that comprises, send SI-n system information.
After UE reads paging, know that system information is about to change, the beginning at next MP is first read to SIB1, learn the schedule information of other SIB, then read corresponding SIB according to the needs of oneself.Wherein, described SIB according to the different mappings in its cycle in different SI-n.
It should be noted that, in the sending method of above-described system information according to the schedule information of described SI-n system information, scheduling process after the transmission original position of described SI-1 and other SI-n system informations is dispatched to SIB1 can be separately as dispatching method, and the scheduling of carrying out SI-n system information sends.
As shown in Figure 4, the method for reseptance of a kind of system information providing for the embodiment of the present invention, the method, comprising:
401: receive Master Information Block and include the SIB1 that SI-n system information sends parameter; Wherein, described SI-n system information transmission parameter comprises: the schedule information of SI-n system information and lengthening SI-1 system information length of window;
402: according to described transmission parameter, receive SI-n system information.This step, UE can receive SI-n system information in the transmission position of corresponding described SI-n system information by the schedule information of SI-n system information; First, receive SIB1; Then, UE according to described in the SIB1 that receives, can within the first system message scheduling cycle, receive SI-1; Or UE receives SI-1 by lengthening the receive window of SI-1 system information length of window; UE, after receiving SIB1, also has time enough to continue to receive SI-1 in described lengthening SI-1 system information window.
Below for the mode of above-mentioned two kinds of receiving system information mentioning, the embodiment of the present invention is described in detail respectively.
When described transmission parameter comprises: during the schedule information of SI-n system information, as shown in Figure 5, and the method for reseptance of a kind of system information providing for the embodiment of the present invention, the method, comprising:
501: receive Master Information Block and the SIB1 that includes the schedule information of SI-n system information;
502: according to the schedule information of described SI-n system information, determine the transmission original position of described SI-1 and other SI-n; Wherein, the transmission original position of described SI-1 is after described SIB1; Wherein, the method for determining the transmission original position of described SI-1 and other SI-n system informations comprises:
Method one:
1) determine intermediate variable x; X=(n-1) * Si-WindowLength, wherein n refers to the n in SI-n, n is more than or equal to 1.
2) determine the original position of transmission SI-n system information; Be the initial radio frames of SI-n and subframe position, concrete algorithm is:
Subframe original position: a=x mod 10;
Radio frames original position: SFN mod dispatching cycle=FLOOR (x/10)+1.
Method two:
1) determine intermediate variable x; X=(n-1) * Si-WindowLength+10, wherein n refers to the n in SI-n, n is more than or equal to 1.
2) determine the transmission original position of transmission SI-n system information; Be the initial radio frames of SI-n and subframe position, concrete algorithm is:
Subframe original position: a=x mod 10;
Radio frames original position: SFN mod dispatching cycle=FLOOR (x/10).
Below described method one and method two are carried out to instance analysis, within the dispatching cycle of SI, establish Si-WindowLength and be: 5ms; The original position of the transmission of MIB is: the 0th work song frame of No. 0 radio frames; The original position of the transmission of SIB1 is: the 5th work song frame of No. 0 radio frames; The dispatching cycle of described SI is as shown in Table 1:
Known by described method one and method two:
The original position of the transmission of SI-1 is: the 0th work song frame of No. 1 radio frames;
The original position of the transmission of SI-2 is: the 5th work song frame of No. 1 radio frames;
The original position of the transmission of SI-3 is: the 0th work song frame of No. 2 radio frames.
Above-mentioned SI-1 is compared to the original position of the original position of the transmission of SI-3 and the transmission of SIB1, described SI-1 to the original position of the transmission of SI-3 all after SIB1, thereby when UE carries out frame reception according to described transmission sequence, make UE can within the first systematic message scheduling cycle, first receive SIB1, again according to the SIB1 receiving, receive SI-1, thereby shortened the time of UE monitoring system information, greatly reduce UE and monitor power consumption.Wherein, in described SI-1, include SIB-2; Wherein, in described SIB-2, including that UE initiates to access immediately required information is the information such as PRACH (Physical RandomAccess Channel, Physical Random Access Channel) configuration.If UE needs to initiate Physical Random Access Channel message described within the first systematic message scheduling cycle, is that UE just can carry out correct configuration according to the described SI-1 of receiving.
Method three:
1) determine intermediate variable x; X=(n-1) * Si-WindowLength+5, wherein n refers to the n in SI-n, n is more than or equal to 1.
2) determine the transmission original position of transmission SI-n system information; Be the initial radio frames of SI-n and subframe position, concrete algorithm is:
Subframe original position: a=x mod 10;
Radio frames original position: SFN mod dispatching cycle=FLOOR (x/10).
Within the dispatching cycle of SI, establish Si-WindowLength and be: 5ms; The original position of the transmission of MIB is: the 0th work song frame of No. 0 radio frames; The original position of the transmission of SIB1 is: the 5th work song frame of No. 0 radio frames; The dispatching cycle of described SI is as shown in Table 1:
Known by described method three:
The original position of the transmission of SI-1 is: the 5th work song frame of No. 0 radio frames;
The original position of the transmission of SI-2 is: the 0th work song frame of No. 1 radio frames;
The original position of the transmission of SI-3 is: the 5th work song frame of No. 1 radio frames.
Above-mentioned SI-1 is compared to the original position of the original position of the transmission of SI-3 and the transmission of SIB1, the original position of the transmission of described SI-1 is the same with the original position of the transmission of described SIB1, thereby when UE carries out frame reception according to described transmission sequence, when UE receives and resolved after described SIB1, the system information window of SI-1 can also continue to receive SI-1, UE just can be according to the described SIB1 receiving like this, system information window at SI-1 continues to receive SI-1, just make UE within the first systematic message scheduling cycle, to receive SI-1, thereby shortened the time of UE monitoring system information, greatly reduce UE and monitor power consumption.
It should be noted that method three is applicable to processing speed UE faster.
503: according to the transmission original position of described SI-1 and other SI-n, receive SI-1 and other SI-n system informations.
When described transmission parameter comprises: while comprising the SI-n scheduling system information information that lengthens SI-1 system information length of window, as shown in Figure 6, and the method for reseptance of a kind of system information providing for the embodiment of the present invention, the method, comprising:
601: the SIB1 that receives Master Information Block and comprise the SI-n scheduling system information information that lengthens SI-1 system information length of window;
602: according to described lengthening SI-1 system information length of window, in described SI-1 system information window, receive SI-1 system information;
603: according to the schedule information of described SI-n system information, receive other SI-n system informations.
It should be noted that above step 602 is as follows with 603 specific implementation process:
(1) by the parameter of the lengthening SI-1 system information length of window in the SIB1 receiving, the Si-WindowLength that revises SI-1 message increases system information length of window, for example: UE can make Si-WindowLength be greater than 10ms, make UE after receiving SIB1, also have time enough to receive SI-1 message.
(2) according to described lengthening SI-1 system information length of window, the transmission original position of other SI-n is prolonged in turn afterwards.The method that its concrete transmission original position according to SI-1 and other SI-n receives is as follows:
1) when n=1, intermediate variable x=0,
When n > 1, intermediate variable x=si-WindowLength of SI-1+ (n-2) * si-WindowLength of others,
Wherein n refers to the n in SI-n;
2) UE determines initial radio frames and the subframe position of SI-n transmission, and concrete algorithm is:
Subframe position: a=x mod 10
Radio frames position: SFN mod dispatching cycle=FLOOR (x/10);
By instantiation, said method is analyzed below: within the dispatching cycle of SI, establishing described lengthening SI-1 system information length of window is 1 5ms; Other SI-n system information length of window are 5ms; The original position of the transmission of MIB is: the 0th work song frame of No. 0 radio frames; The original position of the transmission of SIB1 is: the 5th work song frame of No. 0 radio frames; The dispatching cycle of described SI is as shown in Table 1, as follows according to the transmission original position of the known SI-1 of said method and SI-n:
The original position of the transmission of SI-1 is: the 0th work song frame of No. 0 radio frames;
The original position of the transmission of SI-2 is: the 5th work song frame of No. 1 radio frames;
The original position of the transmission of SI-3 is: the 0th work song frame of No. 2 radio frames.
Above-mentioned SI-1 is compared to the original position of the original position of the transmission of SI-3 and the transmission of SIB1, and UE, after receiving SIB1, is also receiving SI-1 within a certain period of time in the window that lengthens SI-1 system information length of window; Thereby make after UE receives SIB1, the system information receive window of SI-1 does not also finish, and UE can also continue to receive SI-1.After UE receives SI-1, continue to receive SI-2, SI-3 etc. SI-n according to the schedule information of SIB1.
As shown in Figure 7, the dispensing device of a kind of system information providing for the embodiment of the present invention, this device, comprising:
Wherein, when described transmission parameter is the schedule information of SI-n system information and/or while lengthening SI-1 system information length of window, described information transmitting unit 702, further comprises:
Information sends subelement 7022, for sending the SIB1 of Master Information Block and the schedule information that comprises SI-n system information and sending SI-n system information according to the transmission parameter of described SI-n system information; Or, send Master Information Block with the SIB1 that comprises the SI-n scheduling system information information that lengthens SI-1 system information length of window and send SI-n system information according to the transmission parameter of described SI-n system information.
The dispensing device that it should be noted that above-described system information can be arranged among any network side system equipment that adopts the above system information send mode.
It should be noted that, position described in the dispensing device of above-described system information is adjusted dispatching device of conduct that subelement can be independent and is carried out the scheduling of SI-n system information, thereby sends after the transmission original position of described SI-1 and other SI-n system informations is dispatched to SIB1.
As shown in Figure 8, the receiving system of a kind of system information providing for the embodiment of the present invention, this device, comprising:
Block of information receiving element 801, for receiving Master Information Block and including the SIB1 that SI-n system information sends parameter;
System information receiving element 802, for according to described transmission parameter, receives SI-n system information.
Wherein, when described transmission parameter comprises: the schedule information of SI-n system information, described system information receiving element 802, further comprises:
Receive subelement 8022, for according to the transmission original position of described SI-1 and other SI-n, receive SI-1 and other SI-n system informations.
Wherein, when described transmission parameter comprises: while comprising the SI-n scheduling system information information that lengthens SI-1 system information length of window, described system information receiving element 802, further comprises:
The first message sink subelement 8023 for according to described lengthening SI-1 system information length of window, receives SI-1 system information in described SI-1 system information window;
The second message sink subelement 8024, for according to the schedule information of described other SI-n system informations, receives other SI-n system informations.
What it should be noted that above-described each subelement can be according to actual conditions need to carry out choice for use.
The embodiment of the present invention provides a kind of sending, receiving method and device of system information, network side system can be by obtaining the transmission parameter of SI-n system information, according to the transmission parameter of described SI-n system information, the SIB1 that transmission comprises described transmission parameter and SI-n system information, thus network side system can be adjusted the transmission position of SI-n system information by the transmission parameter of SI-n system information; After soon the transmission location of SI-n system information will be adjusted to SIB1.Corresponding user side equipment can include the SIB1 that SI-n system information sends parameter by reception; Thereby according to described transmission parameter, receive SI-n system information.Due to after the transmission location adjustment of SI-n system information arrived SIB1, described in the situation that Si-WindowLength value is less, can receive SI-1 and other SI-n in the first systematic message scheduling cycle.Like this, subscriber equipment just can receive all system informations within the first system message scheduling cycle, has shortened the time of monitoring system information, thereby greatly reduces the monitoring power consumption of subscriber equipment.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by hardware, and the mode that also can add necessary general hardware platform by software realizes.Understanding based on such, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise some instructions with so that computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method described in each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device in embodiment can be distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from the present embodiment.The module of above-described embodiment can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Disclosed is above only several specific embodiment of the present invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (8)
1. a sending method for system information, is characterized in that, comprising:
Obtain the transmission parameter of SI-n system information;
When described transmission parameter comprises: during the schedule information of SI-n system information, according to the schedule information of described SI-n system information, after the transmission original position of described SI-1 and other SI-n system informations is dispatched to system information block 1; Send the system information block 1 of Master Information Block and the schedule information that comprises SI-n system information and send SI-n system information according to the transmission parameter of described SI-n system information;
When described transmission parameter comprises: while comprising the SI-n scheduling system information information that lengthens SI-1 system information length of window, according to the described SI-n scheduling system information information that lengthens SI-1 system information length of window that comprises, adjust the transmission original position of described other SI-n system informations; The system information block 1 that sends Master Information Block and comprise the SI-n scheduling system information information that lengthens SI-1 system information length of window; According to the described SI-n scheduling system information information that lengthens SI-1 system information length of window that comprises, send SI-n system information.
2. the sending method of system information as claimed in claim 1, it is characterized in that, described according to the schedule information of described SI-n system information, the transmission original position of described SI-1 and other SI-n system informations is dispatched to system information block 1 step afterwards, further comprise:
Determine intermediate variable x; X=(n-1) * system information length of window Si-WindowLength, wherein n refers to the n in SI-n, n is more than or equal to 1;
Determine the original position of transmission SI-n system information:
SI-n subframe original position: a=x mod 10;
SI-n radio frames original position: System Frame Number mod dispatching cycle=FLOOR(x/10)+1.
3. the sending method of system information as claimed in claim 1, it is characterized in that, described according to the schedule information of described SI-n system information, the transmission original position of described SI-1 and other SI-n system informations is dispatched to system information block 1 step afterwards, further comprise:
Determine intermediate variable x; X=(n-1) * Si-WindowLength+10, wherein n refers to the n in SI-n, n is more than or equal to 1;
Determine the transmission original position of transmission SI-n system information:
SI-n subframe original position: a=x mod10;
SI-n radio frames original position: System Frame Number mod dispatching cycle=FLOOR(x/10).
4. the sending method of system information as claimed in claim 1, it is characterized in that, described according to the schedule information of described SI-n system information, the transmission original position of described SI-1 and other SI-n system informations is dispatched to system information block 1 step afterwards, further comprise:
Determine intermediate variable x; X=(n-1) * Si-WindowLength+5, wherein n refers to the n in SI-n, n is more than or equal to 1;
Determine the transmission original position of transmission SI-n system information:
SI-n subframe original position: a=x mod 10;
SI-n radio frames original position: System Frame Number mod dispatching cycle=FLOOR(x/10).
5. the sending method of system information as claimed in claim 1, it is characterized in that, described in described basis, comprise the SI-n scheduling system information information that lengthens SI-1 system information length of window, adjust the step of the transmission original position of described other SI-n system informations, further comprise:
Determine intermediate variable x;
When n=1, x=0;
When n>1, the system information length of window Si-WindowLength of SI-1+(n-2 of x=SI-1) the system information length of window Si-WindowLength of others of other SI-n of *; Wherein, n refers to the n in SI-n;
Determine and send initial radio frames and the subframe position of SI-n:
The subframe position that SI-n is initial: a=x mod10;
The radio frames position that SI-n is initial: System Frame Number mod dispatching cycle=FLOOR(x/10).
6. a method of reseptance for system information, is characterized in that, comprising:
Receive Master Information Block and include the system information block 1 that SI-n system information sends parameter;
When described transmission parameter comprises: during the schedule information of SI-n system information, according to the schedule information of described SI-n system information, determine the transmission original position of described SI-1 and other SI-n; Wherein, the transmission original position of described SI-1 is after described system information block 1; According to the transmission original position of described SI-1 and other SI-n, receive SI-1 and other SI-n system informations;
When described transmission parameter comprises: while comprising the SI-n scheduling system information information that lengthens SI-1 system information length of window, according to described lengthening SI-1 system information length of window, receive SI-1 system information in described lengthening SI-1 system information window; According to the schedule information of described SI-n system information, receive other SI-n system informations.
7. a dispensing device for system information, is characterized in that, comprising:
Parameter acquiring unit, for obtaining the transmission parameter of SI-n system information, described transmission parameter is the schedule information of SI-n system information and/or lengthens SI-1 system information length of window;
Information transmitting unit, comprises that subelement is adjusted in position and information sends subelement;
Subelement is adjusted in described position, for according to the schedule information of described SI-n system information, after the transmission original position of described SI-1 and other SI-n system informations is dispatched to system information block 1; Or, according to comprising the SI-n scheduling system information information that lengthens SI-1 system information length of window, adjust the transmission original position of described other SI-n system informations;
Described information sends subelement, for sending the system information block 1 of Master Information Block and the schedule information that comprises SI-n system information and sending SI-n system information according to the transmission parameter of described SI-n system information; Or, send Master Information Block with the system information block 1 that comprises the SI-n scheduling system information information that lengthens SI-1 system information length of window and send SI-n system information according to the schedule information of described SI-n system information.
8. a receiving system for system information, is characterized in that, comprising:
Block of information receiving element, for receiving Master Information Block and including the system information block 1 that SI-n system information sends parameter;
When described transmission parameter comprises: the schedule information of SI-n system information, system information receiving element, comprise: location positioning subelement, for according to the schedule information of described SI-n system information, determine the transmission original position of described SI-1 and other SI-n, wherein, the transmission original position of described SI-1 is after described system information block 1, and reception subelement, for according to the transmission original position of described SI-1 and other SI-n, receive SI-1 and other SI-n system informations;
When described transmission parameter comprises: while comprising the SI-n scheduling system information information that lengthens SI-1 system information length of window, system information receiving element, comprise: the first message sink subelement, be used for according to described lengthening SI-1 system information length of window, in described SI-1 system information window, receive SI-1 system information, and the second message sink subelement, for according to the schedule information of described other SI-n system informations, receive other SI-n system informations.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2009/070816 WO2010105403A1 (en) | 2009-03-16 | 2009-03-16 | Method and device for sending and receiving system information |
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| CN102369745B true CN102369745B (en) | 2014-03-12 |
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| CN200980122529.8A Expired - Fee Related CN102369745B (en) | 2009-03-16 | 2009-03-16 | Method and device for sending and receiving system information |
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| CN107040903B (en) * | 2016-02-03 | 2019-04-26 | 中兴通讯股份有限公司 | A kind of system information sending method and device |
| CN107438265B (en) | 2016-05-27 | 2019-12-10 | 北京佰才邦技术有限公司 | Method, device, base station and terminal for sending system information |
| WO2020087313A1 (en) * | 2018-10-30 | 2020-05-07 | Oppo广东移动通信有限公司 | Method and apparatus for window configuration, terminal, and network device |
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| CN101114869A (en) * | 2006-07-26 | 2008-01-30 | 大唐移动通信设备有限公司 | system message block scheduling method and device in UMTS system |
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| US20080313300A1 (en) * | 2007-06-18 | 2008-12-18 | Alanara Seppo M | Method and apparatus for providing system information |
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| EP2530981B1 (en) * | 2006-10-30 | 2018-04-11 | InterDigital Technology Corporation | Grouping of tracking area |
| CN101483903B (en) * | 2008-01-08 | 2011-06-08 | 华为技术有限公司 | System information scheduling method, apparatus and a terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101043671A (en) * | 2006-06-15 | 2007-09-26 | 华为技术有限公司 | Method and system for controlling user terminal to read system message |
| CN101114869A (en) * | 2006-07-26 | 2008-01-30 | 大唐移动通信设备有限公司 | system message block scheduling method and device in UMTS system |
| US20080287127A1 (en) * | 2007-05-15 | 2008-11-20 | Motorola, Inc. | Forward access channel measurement occasion scheduling device |
| US20080313300A1 (en) * | 2007-06-18 | 2008-12-18 | Alanara Seppo M | Method and apparatus for providing system information |
| CN101198188A (en) * | 2008-01-03 | 2008-06-11 | 中兴通讯股份有限公司 | Method for storing cell system information across network |
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| CN102369745A (en) | 2012-03-07 |
| WO2010105403A1 (en) | 2010-09-23 |
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