CN1567769A - A system information dynamic scheduling method in WCDMA system - Google Patents

A system information dynamic scheduling method in WCDMA system Download PDF

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CN1567769A
CN1567769A CN 03137374 CN03137374A CN1567769A CN 1567769 A CN1567769 A CN 1567769A CN 03137374 CN03137374 CN 03137374 CN 03137374 A CN03137374 A CN 03137374A CN 1567769 A CN1567769 A CN 1567769A
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CN100571086C (en
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李臻
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华为技术有限公司
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Abstract

The invention discloses a system information dynamically-scheduling method in wide-band code division multiple access system, and its characteristic: it includes the steps: A. determine main information block, schedule block, the priority of each system information blocks (SIB) and in the system information, upper and lower limits of cycle corresponding to each priority; B. obtaining the size of each SIB through compression code, using transmission block as a unit, segmenting each SIB, and according to segment number of each SIB, forecasting MIB and SB; C. according to priority sequence from high to low, staging MIB, SB and SIB, and at the same time, according to the staging result, re-segmenting SIB; D. according to the priority sequence from high to low and the upper and lower limits of cycle, determining updating cycle of system information, and according to the updating cycle and segments and staging conditions, allocating transmitting time in broadcast channel to each system information.

Description

一种宽带码分多址系统中的系统消息动态调度方法 A method for dynamic scheduling system message Wideband Code Division Multiple Access

技术领域 FIELD

本发明属于移动通信技术领域,尤其涉及一种移动通信系统中的系统消息动态调度的方法。 The present invention belongs to the technical field of mobile communications, and particularly relates to a method in a mobile communication system, the system message dynamic scheduling.

背景技术 Background technique

码分多址(CDMA)作为一种扩频移动通信技术,其最初主要应用于军事通信领域中,由于其卓越的性能,该项技术当前已经在民用通信领域得到日益广泛的应用。 Code Division Multiple Access (CDMA) as a spread-spectrum mobile communication technology, mainly used in its original field of military communications due to its superior performance, the technology currently in civilian areas have been increasingly widely used communication. 当前,就存在将商用的CDMA蜂窝移动通信系统运行于电信网中的实际例子。 Currently, there is an actual example of a commercial CDMA cellular mobile communication system operating in the telecommunications network.

在蜂窝式移动通信系统中,整个网络由若干被划分的小区组成,不同小区根据实际情况配置有不同的小区配置属性。 In cellular mobile communication systems, the entire network is divided into cells by a number of compositions, different cells have different cell arranged according to the actual configuration attributes. 配置属性具体可包括小区所属的公共陆地移动网络(PLMN)区域、小区可用信道类型等。 Specific configuration properties may include a cell belongs to a public land mobile network (PLMN) area, a cell type of available channels. 这些配置属性只与小区相关,而与小区中的用户关系不大。 These attributes associated only with cell configuration, the user has little relationship with the cell. 为了有效提高网络传输该类配置属性信息的效率,各种移动通信系统中普遍采用广播的方式来传输这些信息。 In order to effectively improve network transmission efficiency class configuration attribute information, various general mobile communication system transmitting information through broadcast. 其具体手段为在各个小区中增加广播信道,通过广播信道周期性广播包括小区配置属性信息在内的系统信息。 Means to increase the specific broadcast channel in each cell, through a broadcast channel periodically broadcast system information including the attribute information including cell configuration. 进入该小区的移动台通过接收广播消息得到该小区的系统信息,从而完成移动通信系统中网络端对小区各个用户的通用控制。 The mobile station enters the cell system information of the cell obtained by receiving a broadcast message, thereby completing the general control system of a mobile communication network to each user cell.

宽带码分多址(WCDMA)系统即是上述的CDMA蜂窝移动通信系统中的一种,在该系统中,广播信道所发送的系统信息包括:系统信息块(SIB)、主信息块(MIB)和调度信息块(SB),其中,SIB有很多种,用来通知一个小区中所有用户有关核心网的信息、注册区域的信息、公共信道的信息以及邻小区信息等;MIB中包含关于整个网络的信息以及对SIB的一些控制信息,比如相应的SIB是否改变的指示等;当MIB中无法包括所有实现的SIB的控制信息时,需要将无法调度的SIB控制信息放入SB中,SB根据实际需要最多可有两个,也可没有。 Wideband Code Division Multiple Access (WCDMA) system that is one of the above CDMA cellular mobile communication system, the system, system information broadcast channel transmitted comprising: a system information block (the SIB), a master information block (MIB) and scheduling block (SB), wherein, the SIB there are many, to the notification information, information registration area information and neighbor cell information, a cell to all users on core network common channel; the MIB contains information about the entire network information and some control information to the SIB, such as SIB whether the respective change instruction or the like; if the MIB control information can not include all achieved when the SIB, the SIB scheduling will not need the control information into the SB, SB based on the actual there needs to be a maximum of two, can not. 在以上信息中,SIB可以分段,而MIB和SB则不可分段;为满足系统需求,且依据信息的重要性不同,MIB和SB发送周期较短,而SIB发送周期较长。 In the above information, SIB may be segmented, and the segment is not the MIB and SB; to meet the system requirements, and based on the different importance of the information, the transmission cycle shorter MIB and SB, the SIB transmission cycle longer.

由于对上述系统信息可进行包括小区的基本属性信息、小区的移动性管理信息、公共信道信息、以及其它可预先配置的信息在内的相应配置,因此,会由于配置结果的不同而造成系统信息的长度的动态变化,另外,由于上述信息中包括可选信息SB,SB的有无也会造成系统信息长度发生动态变化。 Since the above-described system information may be basic attribute information comprises a cell, the mobility management information of a cell common channel information, and other information may be pre-configured, including the corresponding configuration, therefore, due to the different configuration of the resulting system information dynamic length, Further, since the information includes optional information SB, SB absence will cause the system information length dynamic change occurs. 因此,需要对系统信息进行动态调度以指示不同信息在广播信道中的发送时刻;而且根据需要,广播信道发送的系统信息块的结构或信息块的数目也会发生变化,此时,也需要对系统信息块进行相应的动态调度,以满足广播信道的发送要求。 Thus, the system is required to indicate different information for dynamic scheduling information in a broadcast channel transmission time; and if necessary, the structure or the number of information blocks system information block of broadcast channel will also change, at this time, need for the system information block corresponding dynamic scheduling, in order to meet the requirements of a broadcast transmission channel.

在现有技术中,完成系统消息调度的方法为:首先确定系统中需要广播的系统消息块数目,然后根据实现的系统信息在编码后的实际长度和广播信道的参数配置来决定是否需要将相应的系统信息分段,最后,根据分段情况手工计算完成对各个系统信息块的调度,并将调度信息固定在程序或数据库中,以便各个信息块传输过程中使用。 In the prior art, to complete the system message scheduling method: First, determine the number of system information block system needs to be broadcast, and if system information is implemented in the parameter configuration actual length and a broadcast channel of encoded is determined according to the respective system information segment, and finally, the case of calculating scheduling is done according to the segment of the respective system information block hand, and fixed to the scheduling information in the program or a database, so that each information block transmission during use. 该方法存在以下缺点:(1)在系统消息的调度过程中,没有体现出系统信息块重要性差别;(2)对于系统信息块的调度要求首先实现系统消息的编码,获得其编码后的长度,从而增加了对系统消息调度的要求,并使得系统消息调度过程复杂;(3)系统信息块的分段与否以及对于系统信息块的调度都需要人工参与,从而使得系统消息调度难以准确、统一;(4)没有实现系统信息块之间的级连,使得长度较小的系统信息块浪费了广播信道容量; This method has the following disadvantages: (1) in the system message scheduling process, the difference does not reflect the importance of the system information block; (2) requirements for scheduling system information block message, first to achieve coding system, to obtain a length encoded , thereby increasing the message scheduling requirements of the system, and makes the system complex scheduling message; segment (3) and whether the system information block for system information block scheduling requires manual intervention, so that the system can not be accurately scheduled message, unified; (4) is not achieved between the cascade system information block, such that the length of the smaller system information block broadcast channel capacity is wasted;

(5)在系统信息配置修改的情况下,需要人工重新完成所有系统信息块的调度,造成重复劳动,使得调度系统消息的效率低。 (5) In the case where the system configuration information is modified, the need to manually re-scheduling is done for all system information block, resulting in duplication of effort, so that the message scheduling system inefficient.

发明内容 SUMMARY

有鉴于此,本发明的主要目的在于提供一种WCDMA下系统消息动态调度的方法,以实现:(1)每个系统信息块的广播周期尽可能最小;(2)系统信息块调度信息动态生成,无需人工参与;(3)系统信息块自动分段和级连;(4)系统信息块重要性差别体现在调度信息中。 In view of this, the main object of the present invention to provide a method in one kind of dynamic scheduling message WCDMA system to achieve: (1) a broadcast period of each system information block smallest possible; (2) system information block scheduling information dynamically generated without human intervention; (3) the system information block segments and automatically cascade; significance difference (4) embodied in the system information block scheduling information.

本发明为一种宽带码分多址(WCDMA)中系统消息动态调度的方法,其特征在于该方法包括以下步骤:A、确定系统消息中的主信息块(MIB)、调度信息块(SB)、各个系统信息块(SIB)的优先级以及各个优先级对应的周期上限和下限;B、得到每个SIB压缩编码后的大小,以传输块大小为单位对每个SIB进行分段,根据每个SIB的分段数预测MIB和SB;C、按照优先级由高到低的顺序,进行MIB、SB以及SIB的级连,并在级连同时根据级连结果进行SIB的重新分段;D、按照优先级由高到低的顺序以及优先级对应的周期上限和下限,确定系统消息的更新周期,根据更新周期以及分段和级连情况为每个系统消息分配在广播信道中的发送时刻。 The present invention is a Wideband CDMA (WCDMA) system message dynamic scheduling method, characterized in that the method comprises the steps of: A, determines that the primary system information block message (the MIB), scheduling block (SB) respective system information block (SIB) and the priority of each priority cycle corresponding to upper and lower limits; B, to obtain the size of each of the SIB after compression encoding, transport block size in units of segments for each of the SIB, according to each a SIB segments projections MIB and SB; C, in a descending order of priority, a MIB, SIB and SB the cascade, and even at the same time re-segmentation according to SIB result in cascade stage; D according to a descending order of priority and a priority cycle corresponding to upper and lower limits, the system determines the update cycle of the message, the transmission time in a broadcast channel in accordance with the update cycle and segmented and concatenated message allocated for each system .

其中,步骤A中所述确定优先级为:设定MIB的优先级为最高,SB的优先级为低于MIB但高于所有SIB优先级;依次根据SIB内容的实时性和更新频率要求、内容的重要性、以及应用范围确定SIB的优先级;所述确定各个优先级对应的周期上限和下限为:根据各个SIB的更新频率要求和内容的重要性确定各自的周期下限; Wherein said determining step A priority: the MIB is the highest priority, SB priority lower than but above all MIB SIB priority; real-time and in sequence according to claim SIB content update frequency, the content the importance of determining the SIB and application priority; determining respective priorities of the period corresponding to upper and lower limits of: determining the lower limit of the respective periods according to the importance of each requirement and the SIB update frequency content;

根据设计需要配置高优先级的SIB的周期上限,配置低优先级的SIB的周期上限为系统可设置的最大更新周期。 Configuration depending on design requirements of high priority SIB cycle limit, set the maximum upper limit of the refresh cycle period of SIB low priority can be set for the system.

其中,步骤B中所述根据每个SIB的分段数预测MIB和SB包括:自所有SIB中最高优先级开始,逐级计算调度当前优先级对应的SIB所需的比特数,判断该比特数是否小于或等于MIB中当前剩余的比特数,如果是,则标记该优先级对应的SIB由MIB调度,MIB中当前剩余比特数减去该比特数,否则,判断该比特数是否小于或等于SB1中当前剩余的比特数,如果是,则标记该当前优先级对应的SIB由SB1调度,SB1中当前剩余比特数减去该比特数,否则,判断该比特数是否小于SB2中当前剩余的比特数,如果是,则标记该当前优先级对应的SIB由SB2调度,SB2中当前剩余比特数减去该比特数,否则,结束该步骤返回错误信息;按优先级从高到低顺序重复执行上述步骤,直至调度完成所有SIB。 Wherein said prediction step B comprising the MIB and SB of the number of segments for each SIB: from the highest priority of all the SIB started, the number of bits in a stepwise current priority schedule corresponding to the desired SIB, determines the number of bits is less than or equal to the remaining number of the current bit in the MIB, if so, the mark corresponding to the priority scheduling of SIB by the MIB, the MIB number of bits remaining by subtracting the current number of bits, otherwise, determining whether the number of bits less than or equal SB1 the current number of remaining bits, if so, the mark corresponding to the priority of the current by the SIB scheduling SB1, SB1 subtracts the number of bits in the current remaining number of bits, otherwise, determining whether the number of bits less than the current number of remaining bits SB2 If yes, then the flag corresponding to the priority of the current by the SIB scheduling SB2, SB2 subtracts the number of bits in the current remaining number of bits, otherwise, ends the step returns the error message; repeat the above steps descending order of priority until the scheduled completion of all SIB.

其中,步骤C包括:C1、设置当前优先级为所有信息块中的最高优先级,其中,信息块为MIB、SB或SIB;C2、用当前优先级的最大消息数据大小减去当前优先级对应信息块的末段大小得到当前优先级的最大可用消息数据大小,同时判断当前优先级对应的信息块是否级连,如果不是,则执行步骤C3,否则,当前优先级设置为下一级优先级,返回步骤C2,直至当前优先级对应为最低优先级;C3、设置一个临时优先级为当前优先级的下一级;C4、判断当前临时优先级对应的信息块是否级连,如果是,则执行步骤C6;否则,判断当前临时优先级对应信息块末段大小是否大于当前优先级最大可用消息数据大小,如果是,则执行步骤C6;否则,分别标记当前优先级对应的信息块为被级连、当前临时优先级对应的信息块级连到当前优先级对应的信息块中;C5、判断当前临时 Wherein step C comprises: C1, current priority level is provided for all the information blocks in the highest priority, wherein the information block MIB, SB or SIB; C2, a current corresponding to the priority by subtracting the current priority of the maximum size of the message data last paragraph of the information block size to give a maximum available current priority message data size, and determines the priority information corresponding to the current block is concatenated, if not, step C3, otherwise, the current priority is set to a lower priority returns to step C2, until the current priority level corresponding to the lowest priority; a C3, provided a temporary priority under a current priority; C4, determines whether the current temporary block corresponding to the priority level if even, if so, step C6; otherwise, determines whether the current temporary end section corresponding to the priority information block size is greater than the current maximum priority message data size available, if yes, performing step C6; otherwise, labeled the current block corresponding to the priority level to be even, current temporary information blocks corresponding to the priority level attached to the priority information corresponding to the current block; C5, the current temporary Analyzing 先级对应的信息块是否为一段,如果是,则执行步骤C6;否则,对当前临时优先级对应的信息块重新分段,使得该信息块的首段大小为该信息块的原末段大小,然后,最大可用消息数据大小减去当前临时优先级对应的信息块的当前末段大小得到当前最大可用消息数据大小;C6、临时优先级降低一级,返回步骤C4,直到临时优先级为最低优先级;C7、当前优先级降低一级,然后判断当前优先级是否为最低优先级,如果是,则返回级连与分段状态,结束步骤C,否则,返回步骤C2,直至当前优先级为最低优先级。 Corresponding to the priority information whether the block period, if yes, performing step C6; otherwise, the current corresponding to the priority information temporary block re-segmentation, so that the size of the first segment of the information block for the last paragraph of the original information block size , then the maximum available data message size minus the current temporary end section corresponding to the priority of the current block to obtain size information of the current maximum data size available message; C6, a temporary priority is reduced, returns to step C4, the lowest priority until the temporary priority; C7, a current priority is reduced, and then determines whether the current priority level is the lowest priority, if so, concatenated with the segment returns to the state, the end step C, and otherwise, returns to step C2, until the current priority lowest priority.

其中,步骤D中,所述按照优先级由高到低的顺序以及优先级对应的周期上限和下限,确定系统消息的更新周期包括:D1、取得所有SIB当前周期下限中的一个最大周期,判断该周期内能否调度所有实现的信息块,如果是,则返回该最大周期为系统消息的更新周期,否则,执行步骤D2;其中,信息块包括MIB、SB或SIB;D2、自所有SIB最高优先级开始,在当前优先级的周期上限内,对当前优先级对应的当前周期下限加倍并返回步骤D1,直到当前优先级为所有SIB最低优先级时,将当前优先级置为所有SIB最高优先级,返回步骤D1,直至D1中得到系统消息的更新周期。 Wherein, in step D, according to the descending order of priority and a priority cycle corresponding to upper and lower limits, the system update period determined message comprises: D1, the lower limit of the current cycle to obtain all the SIB in a maximum period, determined this period can schedule all the information blocks to achieve, if it is, the maximum period of the update cycle the system returns the message, otherwise, perform step D2 of; wherein the information block includes MIB, SB or SIB; D2 of, from the highest of all SIB priority start, within the current priority period upper limit, the current of the current period corresponding to the priority limit doubled and returns to step D1, until the current priority of all SIB lowest priority when the current priority level is set for all SIB highest priority level, returns to step D1, D1 obtained until the update cycle the system message.

其中,步骤D1中所述判断该最大周期内能否调度所有实现的信息块包括:分别计算所述最大周期内各个信息块的周期所占份数,用该份数分别乘以各自信息块的不级连的分段数,累加相乘的结果得到该最大周期内调度所有实现的信息块所需的系统消息数;比较系统消息数是否大于所述最大周期所能传输的系统消息数,如果是,则该最大周期内不能调度所有实现的信息块,否则,该最大周期内能够调度所有实现的信息块;其中,信息块包括MIB、SB和SIB。 Wherein said step D1 determines whether all scheduled within the information blocks to achieve the maximum period comprises: calculating each cycle of each block of information within the period occupied by the maximum number of copies, multiplied by the respective parts with the respective information block not the number of cascaded segments, accumulating the multiplication result obtained message scheduling system all the necessary number of information blocks implemented within the maximum period; if the comparison system cycle greater than the maximum number of messages that can be transmitted message number system, if the is the maximum period that can not be scheduled within all of the information blocks to achieve otherwise, the maximum period of the schedule can be implemented all the information blocks; wherein the information block includes MIB, SB and SIB.

其中,步骤D中,所述根据更新周期以及分段和级连情况为每个系统消息分配在广播信道中的发送时刻包括: Wherein step D, according to the update cycle and where each segment and cascade system message transmission time allocated to a broadcast channel comprises:

E1、初始化调度信息表的长度为所述更新周期,并初始化信息表数组为未分配状态,和设置当前优先级为所有信息块中的最高优先级;E2、根据信息块上的标记,判断当前优先级对应的信息块是否级连到其它信息块上,如果是,则执行步骤E3,否则,执行步骤E4;E3、查找当前优先级对应的信息块所级连到的信息块的末段位置,在当前优先级对应信息块的首段中标记该位置,然后,判断当前优先级对应信息块是否还有其它分段,如果没有,则执行步骤E5,否则,自当前优先级对应信息块的第二个分段开始,顺序查找调度信息表中的下一个未分配位置,在调度信息表中标记该位置为已分配状态并在当前的分段上标记该位置,直至为当前优先级对应信息块的所有分段分配调度信息表中的位置完毕,执行步骤E5;E4、自当前优先级对应信息块的第一个分段开始 E1, schedule length initialization tables for the update period, and initialization information table array is unassigned, and the current priority level is provided for all the information block highest priority; E2 of, according to the markings on the block, determines the current corresponding to the priority level information block is connected to the other information blocks, if yes, performing step E3, otherwise, executing step E4; E3, last paragraph to find the current location information corresponding to the priority level attached to the block of information blocks , labeled in the first paragraph of this block corresponding to the priority information of the location, and then determining whether the current block corresponding to the priority information if there are other segments, if not, step E5, otherwise, from the current block corresponding to the priority information the second segment begins, a sequential search the schedule information table in a non-dispensing position, the mark position information in the schedule table and the position of the mark state is allocated in the current segment until the priority information corresponding to the current All scheduling information segment allocation table block position is completed, step E5; E4, the current from the first segment information block corresponding to the priority start ,顺序查找调度信息表中的下一个未分配位置,在调度信息表中标记该位置为已分配状态并在当前分段上标记该位置,直至为当前优先级对应信息块的所有分段分配调度信息表中的位置完毕,执行步骤E5;E5、当前优先级降低一级,返回步骤E2,直至当前优先级为最低优先级。 , A sequential search the schedule information table, a non-dispensing position, the mark position in the schedule information table, the location is marked allocated segments on the current state and, until the current block corresponding to the priority allocation schedule for all segments the position information table is completed, step E5; E5, a current priority is reduced, returns to step E2 of, until the current priority level is the lowest priority.

其中,在步骤D中,在确定系统消息的更新周期后,该方法进一步包括:返回步骤A,根据确定的系统消息更新周期重新确定所述周期下限。 Wherein, in step D, after determining that the update cycle of the system message, the method further comprising: returning to step A, re-determining the limit in accordance with the determined cycle system message update cycle.

可见,本发明通过优先级设置体现出各个SIB的重要性区别,并根据优先级分别设置各个SIB的周期上限和周期下限,根据优先级和周期上限和周期下限预测MIB/SB,然后将MIB、SB和SIB级连并根据级连结果对SIB重新分段,得到级连和重新分段结果后,本发明根据以上结果以及各个SIB的周期上限和周期下限确定更新周期,然后利用更新周期为MIB/SB/SIB分配调度信息。 Be seen, the present invention is embodied by the difference between the importance priority of each of the SIB, and are provided according to the priority period upper and lower limits of each cycle of the SIB, the cycle according to the priority and the upper and lower limits period prediction MIB / SB, then the MIB, SIB and SB cascade connected stages according to the results of the SIB re-segmentation, re-segmentation and concatenation to obtain the results, the present invention determines the lower limit of the above results as well as an update cycle and cycle of each period of SIB upper limit, and then use the update cycle MIB / SB / SIB scheduling assignment information. 该方法可实现动态自动调度系统信息,无需人工参与,并能够提高系统信息在广播信道中的传输效率。 The method may be implemented dynamically scheduling system information automatically, without human intervention, and to improve the transmission efficiency in a broadcast system information channel.

附图说明 BRIEF DESCRIPTION

图1为本发明的总体流程图。 A general flow chart of the present invention.

图2为本发明实现分段和级连的流程图。 2 is a flowchart of the segmentation and concatenation to achieve the present invention.

图3为本发明实现预测MIB和SB的流程图。 3 a flowchart of FIG MIB and SB prediction realization of the present invention.

图4为本发明实现MIB、SB和SIB级连和重分段的流程图。 FIG 4 MIB, SB and SIB cascade and flow re-segmented to achieve the present invention.

图5为本发明中确定更新周期的流程图。 FIG 5 is a flowchart update period determined in the present invention.

图6为本发明中为MIB、SB和SIB分配调度信息的流程图。 FIG 6 is a flowchart of the present invention, MIB, SB and SIB scheduling assignment information.

具体实施方式 Detailed ways

本发明为一种WCDMA下系统消息动态调度的方法,该方法可实现对系统消息的动态调度,并能够在调度过程中体现不同系统信息的重要性,以及提高系统信息在广播信道中的传输效率。 The present invention is one kind of the WCDMA system message dynamic scheduling method, the method may implement dynamic scheduling information on the system, and can reflect the importance of the different system information in the scheduling process, and to improve the transmission efficiency in a broadcast system information channel .

下面结合附图对本发明进行详细描述。 The present invention will be described in detail in conjunction with the accompanying drawings. 参见图1所示,本发明的总体流程包括以下步骤:步骤100,完成信息块的参数配置;步骤101,信息块调度过程的初始化;步骤102,获取SIB信息;步骤103,根据SIB预测MIB和SB,然后进行MIB、SB和SIB的分段和级连;步骤104,根据分段和级连结果以及步骤100中的参数配置,计算更新周期;步骤105,根据更新周期为各个信息块分配调度信息,下面对这些步骤分别详细描述:步骤100:参数配置,包括设定系统消息中MIB、SIB和各个SB的优先级,以及设定各个优先级的周期上限和周期下限,本实施例中,具体的设定内容为:(1)优先级设定:本发明实施例中,以0作为最高优先级,依次递增的正整数分别对应依次递减的各个优先级;在本发明其它实施例中,也可以将最高优先级设置为其它数值,并且也可以设定优先级随着其数值的降低而降低,此种优先级定义的方式并 Referring to Figure 1, the overall process of the present invention comprises the following steps: Step 100, the parameter configuration information to complete the block; step 101, initialization information block scheduling process; step 102, obtaining SIB information; Step 103, according to the prediction MIB and SIB SB, then MIB, SB and SIB segmentation and concatenation; step 104, the configuration of the cascade segments and result parameters and a step 100 calculates update period; step 105, according to respective update period allocation schedule information block information, the following explanations of these steps are detailed: step 100: the configuration parameters, system information including setting the MIB, SIB and the priority of each SB, and setting the priority of each cycle period of the upper and lower limits, the present embodiment specific setting content for: (1) the priority setting: embodiments of the present invention, a positive integer as the highest priority, in ascending order of 0 corresponding to respective priorities in descending order; in other embodiments of the present invention , the highest priority may be set to other values ​​and may be set as the priority level decreases its value decreases, the priority of such a defined manner and 影响本发明的实现;本发明实施例将MIB的优先级设定为最高优先级0;其中,由于MIB决定了包括SB在内的系统消息的调度情况,从内容上最为重要,因此,不但在本实施例中MIB的优先级被设定为最高优先级0,在本发明的其它应用实施例中,MIB的优先级同样设为最高优先级;将SB1和SB2的优先级分别设定为1和2;其中,由于SB1和SB2用于发送其他消息的调度消息,一旦系统消息更新则必须首先更新相应的SB消息,因此,在本发明的其它应用实施例中,SB1和SB2同样分别被设定为两个仅次于最高优先级的优先级;根据SIB内容的实时性、更新频率要求设定各个SIB的优先级,在更新频率不高的情况下,分别考虑SIB的重要性和应用范围设定优先级;本发明实施例对SIB的优先级设置如下:a.根据SIB内容的实时性和更新频率要求设置优先级:由于SIB7包含上行干扰值,相对 Effect of implementation of the invention; EXAMPLE priority setting MIB embodiment of the present invention will be the highest priority 0; wherein MIB because the system determines the scheduling message comprises including the SB, the most important from the content, therefore, not only in the MIB embodiment of the present embodiment is set to the priority 0 is the highest priority, in other applications of the invention embodiment, the same MIB priority to the highest priority; SB1 and SB2 of the priority are set to 1 and 2; wherein, due SB1 and SB2 for transmitting a scheduling message to other messages, update messages once the system must first update the corresponding SB message, therefore, the present invention is applied in other embodiments, SB1 and SB2 are similarly provided as the highest priority after the two priority; SIB according to real-time content, required update frequency setting priority of each of the SIB in the case where the update frequency is not high, respectively, and the importance of considering application SIB set priorities; embodiment of the present invention, SIB priority as follows: a real-time and content update frequency SIB requirements set priority: Since the uplink interference value comprises a SIB7, relatively. 其它的SIB,其更新频率较高,因此为其分配优先级3;b.根据SIB内容的重要性设置优先级:SIB5/6中包括小区公共信道,在用户发起接入时必须获得该类信息,因此其重要性较高,故为SIB5/6分配优先级4和5;而SIB3/4相对SIB5/6来说次重要,但较之主要内容为邻区列表的SIB11/12更重要,因此,为SIB3/4分配优先级7和8,为SIB11/12分配优先级9和10;其中,对于各对SIB3/4、SIB5/6、SIB11/12,每对中的前者分别对应连接模式所提供的相应参数,而后者分别对应空闲模式所提供的相应参数,显然连接模式应相对于空闲模式具有更高的优先级,因此,每对中的前者比后者的优先级高;c.根据SIB的应用范围设置优先级:在考虑更新频率和内容重要性的基础上,再考虑应用范围来设置优先级:由于SIB1的应用范围是PLMN,而其它SIB的应用范围是小区,用户一旦进入小区,其SIB均要更 Other SIB, the higher its update frequency, the assigned priority 3; B is provided according to the importance priorities SIB content: in SIB5 / 6 cells comprise a common channel, such information must be initiated when the user access. , so the higher the importance, it is assigned a priority of 4 and 5 SIB5 / 6; and SIB3 / 4 relative SIB5 / 6 is less important, but compared to the main content of the neighbor list SIB11 / 12 is more important, so as SIB3 / 4-assigned priority level 7 and 8, for the SIB11 / 12 allocation priority levels 9 and 10; wherein, for each of the SIB3 / 4, SIB5 / 6, SIB11 / 12, in each pair former corresponds to connected mode provided the corresponding parameters, which correspond to the respective parameters provided by the idle mode, a connected mode should be apparent with respect to an idle mode having a higher priority, and therefore, each of the former than the latter priority;. c the SIB set the priority of the application: in consideration of the importance of the content and update frequency based on the application consider to set the priority: the range of applications for SIB1 the PLMN, and the application range of the other cells the SIB is, once the user enters a cell which have to be more SIB 新,因此应用范围是小区的SIB的更新频率更高,故本发明实施例将SIB2的优先级设置为11,而SIB1的优先级设置为12。 The new, so the application range of the cell SIB higher update frequency, so embodiments of the invention will SIB2 priority set to 11, and the priority as the SIB1 12.

(2)确定各个优先级的周期上限和周期下限,周期上限和下限的确定原则为:不同优先级的周期范围上下限可以相同,但低优先级的最小周期不能小于高优先级的最小周期,低优先级的最大周期不能小于高优先级的最大周期,具体方法为:确定周期下限:根据SIB的优先级,分别大概确定各个SIB的最小周期;确定周期上限:对于优先级较高的SIB,根据系统设计需要配置该SIB周期上限;对于优先级较低的SIB,简单设置为系统允许的最大更新周期即可。 (2) determining respective priorities determined principles period upper and period lower limit, the cycle upper and lower limits as follows: lower limit may be the same on different priority period range, but low priority minimum period not less than the high-priority minimum period, the maximum period of a low priority level can not be less than the high priority maximum period, specific methods to: determine a period lower limit: the priority of the SIB, respectively, about the respective determined minimum period of SIB; determination period limit: for high-priority SIB, the need to configure the system according to the design limit SIB cycle; SIB for lower priority, simply set the maximum permitted by the system to update cycle.

表1给出了根据上述方法,本发明实施例设定的各个SIB的优先级以及各个优先级对应的周期上限和周期下限。 Table 1 shows the above-described method, the priority period and the upper and lower limits of each period corresponding to the priority set in the respective SIB according to embodiments of the present invention.

表1由表1可见,优先级的设定可以不连续,此方式并不影响本发明的实现;步骤101:初始化该调度方法中的各个全局变量,包括:SIB结构数组、优先级与周期上限和周期下限的映射表,其中,SIB结构数组用于存储各个对应的SIB的优先级、调度周期、分段数目、级连和被级连状态以及级连到的SIB序号;映射表用于记录每个优先级对应的周期上限和周期下限;步骤102:获取每个SIB压缩编码后的大小,并根据参数配置结果分别得到各个SIB对应的优先级;其中,对于SIB的压缩编码通过系统中的其它模块完成,属于现有技术;步骤103:根据压缩编码后的SIB的大小预测MIB和SB,然后进行MIB、SB和SIB的分段和级连,参见图2所示,本发明实施例实现步骤103具体包括:步骤201:不考虑级连,按照正常方法以每个块为传输块(TB)大小对SIB进行分段,并记录每个SIB的分段数 Table 1 seen from Table 1, priority setting can be discontinuous, in this manner does not affect the implementation of the invention; Step 101: The scheduling method initializes each global variable, comprising: an array of structures the SIB, the cycle upper limit priority the lower limit of the period and the mapping table, wherein the priority, SIB scheduling periodic array of structures for storing each of the corresponding SIB, the number of segments, and a cascade stage cascaded state, and is connected to the SIB number; mapping table for recording each priority cycle corresponding to the upper and lower limits period; step 102: after obtaining the size of the compressed encoding of each SIB, and respectively corresponding to the priority of the respective SIB according to the configuration parameters; wherein the compression coding system by the SIB other modules completed, belonging to the prior art; step 103: the SIB compression encoded MIB and SB the size of the prediction, and then MIB, SIB and SB segmentation and concatenation, see FIG. 2, the embodiment of the present invention is implemented step 103 specifically includes: step 201: even without considering the level, in the normal way in each block as a transport block (TB) size of the SIB segmentation, the number of segments and recording each of the SIB ;步骤202:预测MIB大小并判断是否需要SB以及需要SB时SB的数目;步骤203:根据MIB和SB的预测结果,进行MIB、SB和SIB的级连和SIB的重分段;下面对于步骤202和步骤203的具体实现分别加以描述:(1)图3显示出本实施例实现步骤202的流程,具体包括:步骤301:完成初始化,分别包括:设定当前优先级为所有SIB中的最高优先级;初始化数组size[max_SIB]为0,该数组用于存放调度每个SIB所需的比特数;由步骤201得到各个SIB的分段数,在结构数组SIB[max_SIB]中分别存放每个SIB的分段数;分别初始化结构数组MIB[max_SIB]、SB1[max_SIB]、SB2[max_SIB]为0,用于分别记录MIB、SB1和SB2调度的SIB数目;将MIB中提供给调度信息的比特数FREE_NUM_FOR_MIB赋值给freeMIB,将一个SB1中提供给调度信息的比特数FREE_NUM_FOR_SB赋值给freeSB1,将一个SB2中提供给调度信息的比特数FREE_NUM_FOR_SB赋值给freeSB2,并获得 ; Step 202: prediction and determines whether the size of the MIB and the number of SB SB SB is needed; Step 203: The MIB and SB are the results of the prediction, a MIB, SIB and SB the cascade and heavy segment of SIB; below for step step 202 and 203 are embodied been described: (1) Figure 3 shows the implementation flow of the present embodiment, step 202 specifically includes: step 301: completing the initialization, each comprising: setting the current highest priority of all the SIB priority; initialize an array size [max_SIB] is 0, the array is used to store the number of bits required for each SIB schedule; obtained at step 201 the number of segments of each of the SIB, the array of structures are stored in each SIB [max_SIB] in the number of segments of the SIB; initializes an array of structures MIB [max_SIB], SB1 [max_SIB], SB2 [max_SIB] 0, respectively, for recording MIB, SIB number SBl and SB2 scheduling; MIB in the scheduling information provided to the bit FREE_NUM_FOR_MIB number assigned to freeMIB, will be provided to a SB1 FREE_NUM_FOR_SB freeSB1 bit number is assigned to the scheduling information, will be provided to a SB2 FREE_NUM_FOR_SB freeSB2 bit number is assigned to the scheduling information, and to obtain 调度一个SIB的分段所需要的比特数NUM_OF_SEG_SCHEDU; SIB scheduling a segment number of bits required NUM_OF_SEG_SCHEDU;

步骤302:当前优先级赋值给index,计算调度当前优先级对应的SIB所需比特数,size[index]=NUM_OF_SEG_SCHEDU×SIB[index];步骤303~步骤305:将当前优先级的SIB放入MIB中调度,计算MIB所剩余的比特数,freeMIB=freeMIB-size[index],判断freeMIB是否小于等于0,如果是,则执行步骤306,否则,执行步骤315,标记该SIB由MIB调度,MIB[max_SIB]=MIB[max_SIB]+1,执行步骤313;步骤306~步骤308:将当前优先级的SIB调度信息从MIB中取出,并且计算freeMIB=freeMIB+size[index];将当前优先级的SIB放入SB1中调度,计算SB1中所剩余的比特数,freeSB1=freeSB1-size[index];判断freeSB1是否小于等于0,如果是,则执行步骤309,否则,执行步骤316,标记该SIB由SB1调度,SB1[max_SIB]=SB1[max_SIB]+1,执行步骤313;步骤309~步骤312:将当前优先级的SIB调度信息从SB1中取出,freeSB1=freeSB1+size[index];将当前优先级的SIB放入 Step 302: the priority assigned to the current index, calculated the current priority schedule corresponding to the number of bits required SIB, size [index] = NUM_OF_SEG_SCHEDU × SIB [index]; Step 303 ~ Step 305: The current priority of the SIB into MIB scheduling, calculating the remaining number of bits MIB are, freeMIB = freeMIB-size [index], determines whether freeMIB less than or equal to 0, if yes, perform step 306, otherwise, perform step 315, marking the SIB by the MIB scheduling, MIB [ max_SIB] = MIB [max_SIB] +1, perform step 313; step 306 ~ step 308: the current priority level of the SIB scheduling information extracted from the MIB, and calculates freeMIB = freeMIB + size [index]; the current priority level of the SIB scheduling, the number of bits remaining in SB1 calculated, freeSB1 = freeSB1-size [index] placed in SB1; freeSB1 is less than or equal to 0 is determined, if yes, perform step 309, otherwise, perform step 316, the flag from the SIB SB1 scheduling, SB1 [max_SIB] = SB1 [max_SIB] +1, perform step 313; step 309 ~ step 312: the current priority level of the SIB scheduling information extracted from the SB1, freeSB1 = freeSB1 + size [index]; the current priority level the SIB into SB2中调度,计算SB2中所剩余的比特数,freeSB2=freeSB2-size[index];判断freeSB2是否小于等于0,如果是,则返回“无法调度”的错误信息,否则,标记该SIB由SB2调度,SB2[max_SIB]=SB2[max_SIB]+1,执行步骤313;步骤313~步骤314:当前优先级降低一级,判断当前优先级是否低于最低优先级,如果是,则返回MIB、SB1和SB2调度SIB的情况,也就是返回MIB[max_SIB]、SB1[max_SIB]和SB2[max_SIB],此时MIB、SB1和SB2中包括对SIB控制信息;否则,返回步骤302,直至当前优先级低于最低优先级;(2)图4显示出本实施例实现步骤203的流程,为叙述方便,此处将MIB、SB和SIB统称为信息块(IB),该流程具体包括:步骤401:初始化每个MIB/SB/SIB的级连状态;步骤402:定义变量PRI表示当前优先级,将最高优先级赋值给变量PRI;步骤403:计算当前优先级PRI的最大可用消息数据大小:最大可用消息数据大小 SB2 is scheduled, the number of bits SB2 is remaining calculated, freeSB2 = freeSB2-size [index]; determining whether freeSB2 less than or equal to 0, and if so, the error message "Unable scheduling" is returned, otherwise, mark the SIB by a SB2 scheduling , SB2 [max_SIB] = SB2 [max_SIB] +1, perform step 313; step 313 ~ step 314: a current priority is reduced, it is determined whether or not the current priority level is lower than the lowest priority, if so, returns MIB, SB1 and SB2 where scheduling of the SIB, is returned MIB [max_SIB], SB1 [max_SIB] and SB2 [max_SIB], At this time, MIB, SB1 and SB2 SIB comprising control information; otherwise, returns to step 302, until the lower priority than the current lowest priority; (2) FIG. 4 shows the present embodiment implements the process of step 203, for the convenience of description, here the MIB, SB and SIB information blocks collectively (the IB), which process comprises: step 401: initialize per a MIB / SB / SIB cascaded state; step 402: the definition of the variable PRI represents the current priority, the highest priority assigned to the variable PRI; step 403: calculating the current priority PRI maximum available message data size: maximum available message data size 最大消息数据大小-PRI对应SIB的末段的大小;其中,最大消息数据大小指的是一个TTI内广播信道中可以传送的最大数据比特位数目,最大可用消息数据大小指的是一个TTI内广播信道没有使用的数据比特位数目,该数据在PRI发生变化时重新初始化;步骤404:判断PRI对应的IB是否级连,如果是,则执行步骤405,否则,执行步骤415;步骤405:设置临时优先级参数tmpPRI,将tmpPRI设为PRI的低一级优先级;步骤405a判断该tmpPRI是否为1或2,如果是,则tmpPRI降低一级,返回执行步骤405,直至tmpPRI不是1或2时为止,以此满足级连的原则:(1)只允许高优先级SIB的最后一个分段或只有一个段组成的SIB和低优先级SIB的第一个分段或只有一个段组成的SIB级连;(2)MIB和SB可以和其它SIB级连;上述405a步骤的执行结果使得MIB和SB之间不执行以下的级连步骤;步骤406:判断tmpPRI对应的IB是 The maximum size of message data corresponding to the size of the last paragraph -PRI the SIB; wherein the maximum size of the message data is the maximum number of data bits within a TTI may transmit a broadcast channel, the maximum available data message refers to a size within the broadcast TTI the number of data bits of a channel is not used, the data is reinitialized PRI changes; step 404: determining whether PRI corresponding IB cascade, if yes, perform step 405, otherwise, perform step 415; step 405: set a temporary tmpPRI priority parameter, the priority level lower tmpPRI to the PRI; step 405a determines whether the tmpPRI 1 or 2, and if yes, reducing a tmpPRI, returns to step 405, until 1 or 2 tmpPRI not until the in order to meet the principle of concatenation of: (1) allows only one segment of the last segment of SIB, or high priority segments of a SIB only low priority and only one SIB or SIB segments of cascaded ; (2) other MIB and SIB and SB can cascade; results of the above-described steps 405a so as not to perform the following steps cascaded between MIB and SB; step 406: determining the corresponding IB is tmpPRI 否级连,如果是,则执行步骤413;否则,判断tmpPRI对应的IB末段大小是否大于当前的最大可用消息数据大小,如果是,则执行步骤413,否则,将PRI对应的IB标记为被级连,并将tmpPRI对应的IB标记为级连到PRI对应的IB中;步骤410~步骤412:判断tmpPRI对应的IB是否仅被分为一个段,如果是,则执行步骤413,否则,重新计算最大可用消息数据大小:最大可用消息数据大小=最大可用消息数据大小-tmpPRI对应的IB末段大小,并且,对tmpPRI对应的SIB重新分段,使得重新分段后该IB的首段大小为原来的末段大小;步骤413~步骤414:将tmpPRI优先级降低一级,然后判断当前tmpPRI是否为最低优先级,如果是,执行步骤415,否则,返回步骤406,开始对下一优先级IB进行级连和重分段,直至tmpPRI到达最低优先级,执行步骤415;步骤415:PRI优先级降低一级,判断当前PRI是否为最低 No cascade, if yes, performing step 413; otherwise, it is determined whether the last paragraph IB tmpPRI corresponding size is larger than the current maximum available data size message, if yes, perform step 413, otherwise, the corresponding PRI would be labeled IB cascade, IB and the corresponding labeled tmpPRI cascaded to the corresponding PRI IB; and step 410 ~ step 412: determining whether the corresponding tmpPRI IB is divided into only one segment, if yes, perform step 413, otherwise, re calculating the maximum available data size message: message maximum available data size = maximum available data size -tmpPRI message corresponding to the size of the last paragraph IB, and of the corresponding SIB tmpPRI re-segmentation, so that the size of the re-segmentation header section IB is the original size of the last paragraph; step 413 ~ step 414: the tmpPRI a lower priority, and then determines whether the current tmpPRI the lowest priority, if so, step 415 is performed, otherwise, returns to step 406 to begin the next priority IB for re-segmentation and concatenation, tmpPRI until reaching the lowest priority, step 415; step 415: a lower priority PRI determines whether the lowest current PRI 先级,如果是,则返回图2所示级连分段流程中,否则,返回步骤403,开始对当前PRI优先级的IB进行级连和重新分段,直至PRI到达最低优先级。 Priority, if so, to return stage shown in FIG. 2 attached segment process, otherwise, returns to step 403, the start of the current PRI IB priority for re-segmentation and concatenation, until it reaches the lowest priority PRI.

下面继续对图1所示步骤进行描述:步骤104:根据步骤103中获得的每个SIB的分段和级连结果,结合对各个优先级所预先设定的周期范围,按照优先级由高到低的顺序,计算得到更新周期;参见图5所示,本发明实施例通过以下流程实现步骤104:步骤501:由优先级与周期上限和周期下限的映射表中获得所有SIB的周期下限,从其中选出最大的一个作为最大周期Tmax(单位为帧frame),计算在Tmax时间内,调度已实现的IB所需要的总消息数目,记为MessageNum:MessageNum=∑实现的所有IB序号(Tmax/IBi周期)×IBi不级连的分段数目,其中,IB包括MIB、SB和SIB,公式中的下标I表示各个IB的序号;步骤503:设置临时变量CurrPri=所有优先级数值中的最小值,也就是将最高优先级的树值赋给变量CurrPri;由于在本发明中,最高优先级的优先级数值最小,最低优先级的优先级数值最大, Continue following steps shown in FIG. 1 will be described: Step 104: The results of each cascade segment and SIB obtained in step 103, the binding to the respective priority preset cycle range, according to a high priority low order, the calculated update period; see FIG. 5, for example, by the following process step 104 implement embodiments of the present invention: step 501: obtaining all limit SIB cycle by the priority period to the period upper and lower limits of the mapping table, from wherein selecting one of the largest (in frames frame), calculated in the time Tmax, the total number of message scheduling realized IB required, referred to as the maximum period Tmax MessageNum: IB number MessageNum = Σ all achieved (Tmax / IBi period) × number of segments is not IBi cascade, wherein, IB including MIB, SB, and the SIB, the formula I represents an index number of each IB; step 503: set a temporary variable CurrPri = minimum priority value of all value, i.e. the highest priority value to the variable CURRPRI tree; since in the present invention, the highest priority is the minimum priority value, the lowest priority the maximum priority value, 此,本发明后续步骤中的优先级数值从小到大的顺序所表示的含义为优先级从高到低的顺序;步骤504:由于本发明实施例中,每2个frame传送一个SYSTEMINFORMATION message,而且frame的个数与周期T的大小相同,因此,判断MessageNum是否大于Tmax/2,如果是,表明当前分配的周期不满足要求,则执行步骤505,否则,表明当前分配的周期满足要求,结束更新周期确定流程,返回更新周期并继续执行图1所示流程中的下一步骤105;步骤505~步骤506:判断当前优先级CurrPri是否达到优先级的最大值,如果是,则当前优先级CurrPri返回优先级最小值,重新自最高优先级开始确定周期,否则直接执行步骤507: Here, the subsequent step of the present invention, the priority values ​​in the order from small to large the meaning indicated in descending order of priority; Step 504: Since the embodiment of the present invention, a transmission frame every two SYSTEMINFORMATION message, and the number of frame period T is the same size, therefore, it is judged MessageNum is greater than Tmax / 2, if it is, the current allocation period indicates that not meet the requirements, step 505 is executed, otherwise, indicates that the current allocation cycle to meet the requirements, and the update period determination process, and returns the update cycles continue the process shown in FIG. 1 in a next step 105; step 505 ~ step 506: determining whether the current priority CurrPri maximum priority, if so, returns the current priority CurrPri priority minimum, start again from the highest priority to determine the cycle, otherwise perform step 507:

步骤507~步骤508:判断当前优先级CurrPri是否有对应的SIB,也就是判断当前优先级对应的SIB是否实现,如果是,则执行步骤509,否则,表明无需根据当前优先级对应的SIB分配周期,当前优先级CurrPri数值升高一位,返回步骤505;步骤509:CurrPri对应SIB的周期下限加倍,判断加倍后的周期是否超出该SIB设定的最大周期值,如果是,则将CurrPri对应SIB的当前周期减半,并将CurrPri数值升高一位,返回步骤505,开始对下一优先级的SIB周期下限加倍以确定更新周期;否则,执行步骤511;步骤511~步骤513:确定所有SIB当前周期下限中的Tmax,此时,对应CurrPri的SIB的周期下限已经加倍;如步骤502所述的方式计算在Tmax时间内,调度已实现的SIB所需要的总消息数目,并将CurrPri数值升高一位,以备进行通过对下一优先级对应SIB周期下限加倍而确定更新周期,返回步骤504,判 Step 507 ~ Step 508: determine whether the current priority CurrPri a corresponding SIB, that is, determines whether the current corresponding to the priority SIB achieved, if yes, perform step 509, otherwise, show no need according to SIB allocation cycle current corresponding to the priority , the current value increases a priority CURRPRI returns to step 505; step 509: CurrPri period corresponding to the lower limit of the SIB is doubled, the doubled period after determining whether the value exceeds the maximum period of SIB is set, if so, the corresponding SIB CURRPRI the current cycle in half, and raised a CurrPri value returns to step 505 to start the next priority SIB period doubled to determine the lower limit of the update cycle; otherwise, step 511; step 511 to step 513: Make sure all SIB the lower limit Tmax in the current cycle, this time, a period corresponding to the lower limit of an SIB CurrPri has doubled; manner as described in step 502 is calculated in the time Tmax, the total number of messages required SIB scheduling been implemented, and the l value CurrPri a high to prepare for the update period determined by the next cycle limit corresponding to the priority SIB doubled returns to step 504, it is determined 该当前Tmax是否满足要求;如此循环,直至找到满足要求的更新周期。 The current Tmax meets the requirements; and so on, until the update cycle to meet the requirements found.

步骤105:根据确定的更新周期,分配每个MIB、SB和SIB在广播信道中的发送时刻,为其分配调度信息,为叙述方便,此处将MIB、SB和SIB统称为信息块(IB)。 Step 105: according to the determined update period, assigning each MIB, SB and SIB broadcast channel at the transmission timing, scheduling information assigned for the descriptive convenience, here will MIB, SB, and collectively referred to as SIB information blocks (IB) . 参见图6所示,本发明实施例实现步骤105需要以下过程:步骤601~步骤602:初始化调度信息表数组为未分配状态,将调度信息表的长度定义为步骤104中所确定的更新周期Tmax;并且定义临时变量PRI=最高优先级;步骤603:判断当前优先级对应的IB是否级连到其他IB中,如果是,则执行步骤604,否则,执行步骤612;步骤604:查找与PRI对应的IB相级连的IB的末段在调度信息表中的位置,在PRI对应IB的首段中标记该位置;步骤606:判断PRI对应IB是否还有其他分段,如果是,执行步骤607,否则,执行步骤617;步骤607~步骤611:自PRI对应IB的第二个分段开始,在调度信息表中顺序查找下一个未分配位置,然后将该位置标记为已分配状态,并在PRI对应IB的当前分段位置标记该调度信息表中的该当前位置,直至对PRI对应IB的最后分段处理完毕,执行步骤617;步骤612~步骤61 Referring to FIG., The embodiment of the present invention to achieve Example 6 Step 105 requires the following procedure: Step 601 ~ Step 602: defining the length initialization schedule information table array is unassigned, the schedule information table is determined in step 104 update cycle Tmax ; and the definition of temporary variables PRI = highest priority; step 603: determining whether the current corresponding to the priority IB whether or cascaded to another IB, if yes, perform step 604, otherwise, perform step 612; step 604: Find PRI corresponding to the cascaded phase IB IB in the last paragraph of the position information table schedule, the opening paragraph in the PRI marker corresponding to the position IB; step 606: determining whether the corresponding PRI other IB segment, if so, step 607 is executed otherwise, executing step 617; step 607 ~ step 611: the self PRI IB corresponding to the start of the second segment, in order to find a schedule information table unassigned position, then this position is marked as allocated state, and PRI segment corresponding to the current IB to the current position of the position mark schedule information table, on PRI until the last segment IB corresponding to processed, step 617; step 612 ~ step 61 6:自PRI对应IB的第一个分段开始,在调度信息表中顺序查找下一个未分配位置,然后将该位置标记为已分配状态,并在PRI对应IB的当前分段位置标记该调度信息表中的当前位置,直至对PRI对应IB的最后分段处理完毕,执行步骤617;步骤617~步骤618:PRI降低一位,判断PRI是否为最低优先级,如果是,则结束分配调度信息过程,返回MIB/SB/SIB各分段的调度信息位置,返回图1所示流程;否则,返回步骤603,开始对下一优先级对应的IB分配调度信息,直至对最低优先级对应的IB分配调度信息完毕,返回MIB/SB/SIB各分段的调度信息位置,返回图1所示流程,结束整个调度过程。 6: a first segment from the PRI IB corresponding to the start, in order to find the schedule information table in a non-dispensing position, then this position is marked as allocated state, and the corresponding current IB in the PRI position marker segment that scheduling current position information in the table, until the end of the PRI IB segment corresponding to processed, step 617; step 617 ~ step 618: PRI a decrease, it is determined whether the lowest priority PRI, if so, ends allocation scheduling information procedure returns MIB / SB / SIB scheduling information on the position of each segment, returns to the flow shown in FIG. 1; otherwise, returns to step 603 to start, corresponding to the lowest priority until the next IB IB corresponding to the priority scheduling allocation information scheduling assignment information, return MIB / SB / SIB scheduling information on the position of each segment, returns the flow shown in FIG. 1, the end of the whole scheduling process.

其中,在如上所述的各个步骤之中,凡是涉及对一个优先级对应的SIB进行操作的步骤,在实际应用中均可以在进行操作前判断该优先级对应的SIB是否实现,如果是,则执行相应步骤,否则,进行下一优先级的操作;本发明实施例采用的就是此种方法,只是为了叙述简化的缘故,故未在各个流程图以及流程图所对应的叙述中进行描述。 Wherein, among the various steps described above, all related to a step corresponding to the priority SIB operating before the operation can be performed in practice is judged whether the priority of the corresponding SIB achieved, if so, performing the steps, otherwise, the next priority operations; such a method is employed in the embodiment of the present invention, only for the sake of a simplified description, it is not described in the respective flowcharts and the corresponding description in the flowchart.

可见,本发明实现了对系统消息的动态调度,其有益效果如下:(1)当实现的SIB结构更改或增删时,无需人工参与即可实现SIB调度信息的动态生成;(2)通过优先级和周期范围的参数配置,可完成关心的SIB调度周期的控制功能;(3)通过优先级的设置,体现了系统信息块的重要性差别; Be seen, the present invention realizes the dynamic scheduling information on the system, the following beneficial effects: (1) When the structure to achieve SIB changes or deletions, can be achieved without human intervention dynamically generated SIB scheduling information; (2) Priority and configuration parameters period range, the control function may be accomplished SIB scheduling period of interest; (3) priority setting, reflects the importance of different system information block;

(4)通过该专利方法,可使每个系统信息块的广播周期在一定范围内达到最小;(5)实现系统信息块的自动分段与级连,减少广播信道传送时延。 (4) by the patented process, allows broadcast period of each system information block is minimized within a predetermined range; (5) for system information blocks and automatic segmentation cascade, reduces broadcast channel transmission delay.

Claims (8)

1.一种宽带码分多址系统中的系统消息动态调度方法,其特征在于该方法包括以下步骤:A、确定系统消息中的主信息块(MIB)、调度信息块(SB)、各个系统信息块(SIB)的优先级以及各个优先级对应的周期上限和下限;B、得到每个SIB压缩编码后的大小,以传输块大小为单位对每个SIB进行分段,根据每个SIB的分段数预测MIB和SB;C、按照优先级由高到低的顺序,进行MIB、SB以及SIB的级连,并在级连同时根据级连结果进行SIB的重新分段;D、按照优先级由高到低的顺序以及优先级对应的周期上限和下限,确定系统消息的更新周期,根据更新周期以及分段和级连情况为每个系统消息分配在广播信道中的发送时刻。 System Message 1. A method of dynamic scheduling in Wideband Code Division Multiple Access system, characterized in that the method comprises the steps of: A, determining a master information block (MIB) in the system message, the scheduling block (SB), each system information block (SIB) and the priority of each priority cycle corresponding to upper and lower limits; B, to obtain the size of the compressed encoding of each SIB, the transport block size in units of segments for each SIB, the SIB according to each MIB segmented projections and SB; C, in a descending order of priority, a MIB, SIB and SB the cascade, and even at the same time re-segmentation according to SIB result in cascade stage; D, according to the priority level descending order of priority and a cycle corresponding to upper and lower limits, the system determines the message update period, and in accordance with the update cycle and segment cascade system, where each message is assigned at the transmission timing of the broadcast channel.
2.根据权利要求1所述的方法,其特征在于步骤A中所述确定优先级为:设定MIB的优先级为最高,SB的优先级为低于MIB但高于所有SIB优先级;依次根据SIB内容的实时性和更新频率要求、内容的重要性、以及应用范围确定SIB的优先级;所述确定各个优先级对应的周期上限和下限为:根据各个SIB的更新频率要求和内容的重要性确定各自的周期下限;根据设计需要配置高优先级的SIB的周期上限,配置低优先级的SIB的周期上限为系统可设置的最大更新周期。 2. The method according to claim 1, wherein step A determines said priority: the MIB is the highest priority, SB priority lower than but above all MIB SIB priority; sequentially the real-time requirements and SIB content update frequency, the importance of the content, and application priority determining SIB; determining the priority corresponding to respective upper and lower limits for the period: important respective SIB according to the update frequency and content requirements determining the lower limit of the respective period; limit cycles to configure a high priority SIB according to the design, set the maximum upper limit update cycle period of SIB low priority can be set for the system.
3.根据权利要求1所述的方法,其特征在于步骤B中所述根据每个SIB的分段数预测MIB和SB包括:自所有SIB中最高优先级开始,逐级计算调度当前优先级对应的SIB所需的比特数,判断该比特数是否小于或等于MIB中当前剩余的比特数,如果是,则标记该优先级对应的SIB由MIB调度,MIB中当前剩余比特数减去该比特数,否则,判断该比特数是否小于或等于SB1中当前剩余的比特数,如果是,则标记该当前优先级对应的SIB由SB1调度,SB1中当前剩余比特数减去该比特数,否则,判断该比特数是否小于SB2中当前剩余的比特数,如果是,则标记该当前优先级对应的SIB由SB2调度,SB2中当前剩余比特数减去该比特数,否则,结束该步骤返回错误信息;按优先级从高到低顺序重复执行上述步骤,直至调度完成所有SIB。 3. The method according to claim 1, wherein the step B according to each segment of SIB and SB MIB projections include: from the highest priority of all SIB started, a stepwise current corresponding to the priority scheduling the number of bits required SIB, determines whether the number of bits is less than or equal to the current number of remaining bits in the MIB, if so, the mark corresponding to the priority scheduling of SIB by the MIB, the MIB number of bits remaining by subtracting the current number of bits otherwise, it is determined whether or not the number of bits is less than or equal to the current number of remaining bits SB1, if so, the mark corresponding to the priority of the current by the SIB scheduling SB1, SB1 subtracts the number of bits in the current remaining number of bits, otherwise, is determined the remaining number of bits is smaller than the number of the current bit SB2, and if so, the current corresponding to the priority scheduling of the SIB by the tag SB2, SB2 subtracts the number of bits in the current remaining number of bits, otherwise, ends the step returns an error message; in descending order of priority repeat these steps until all are scheduled SIB.
4.根据权利要求1所述的方法,其特征在于步骤C包括:C1、设置当前优先级为所有信息块中的最高优先级,其中,信息块为MIB、SB或SIB;C2、用当前优先级的最大消息数据大小减去当前优先级对应信息块的末段大小得到当前优先级的最大可用消息数据大小,同时判断当前优先级对应的信息块是否级连,如果不是,则执行步骤C3,否则,当前优先级设置为下一级优先级,返回步骤C2,直至当前优先级对应为最低优先级;C3、设置一个临时优先级为当前优先级的下一级;C4、判断当前临时优先级对应的信息块是否级连,如果是,则执行步骤C6;否则,判断当前临时优先级对应信息块末段大小是否大于当前优先级最大可用消息数据大小,如果是,则执行步骤C6;否则,分别标记当前优先级对应的信息块为被级连、当前临时优先级对应的信息块级连到当前优先级对 4. The method according to claim 1, wherein the step C comprises: C1, current priority level is provided for all the information blocks in the highest priority, wherein the information block MIB, SB or SIB; C2, with the current priority the maximum size of message data size of the last paragraph of subtracting the current level corresponding to the priority information blocks to obtain a maximum available current priority message data size, and determines the priority information corresponding to the current block is concatenated, if not, step C3, otherwise, the current priority is set to a lower priority, returns to step C2, until the current priority level corresponding to the lowest priority; a C3, setting up a temporary priority under a current priority; C4, determines whether the current temporary priority whether the corresponding block concatenation, if yes, performing step C6; otherwise, determines whether the current temporary end section corresponding to the priority information block size is greater than the current maximum priority message data size available, if yes, performing step C6; otherwise, labeled priority information corresponding to the current block are cascaded, current temporary information blocks corresponding to the priority level attached to the current priority of 应的信息块中;C5、判断当前临时优先级对应的信息块是否为一段,如果是,则执行步骤C6;否则,对当前临时优先级对应的信息块重新分段,使得该信息块的首段大小为该信息块的原末段大小,然后,最大可用消息数据大小减去当前临时优先级对应的信息块的当前末段大小得到当前最大可用消息数据大小;C6、临时优先级降低一级,返回步骤C4,直到临时优先级为最低优先级;C7、当前优先级降低一级,然后判断当前优先级是否为最低优先级,如果是,则返回级连与分段状态,结束步骤C,否则,返回步骤C2,直至当前优先级为最低优先级。 The corresponding information block; C5, determines whether the current temporary block corresponding to the priority information whether the period, if yes, performing step C6; otherwise, the current corresponding to the priority information temporary block re-segmentation, so that the first information block segment size for the last paragraph of the original information block size, then the maximum available data message size minus the last paragraph of this provisional priority of the current block corresponding to the size of the message to obtain the current maximum available data size; C6, a temporary lower priority returns to step C4, until the provisional priority is the lowest priority; C7, a current priority is reduced, and then determines whether the current priority level is the lowest priority, if so, concatenated with the segment returns to the state, the end procedure C, otherwise, return to step C2, until the current priority is the lowest priority.
5.根据权利要求1所述的方法,其特征在于步骤D中,所述按照优先级由高到低的顺序以及优先级对应的周期上限和下限,确定系统消息的更新周期包括:D1、取得所有SIB当前周期下限中的一个最大周期,判断该周期内能否调度所有实现的信息块,如果是,则返回该最大周期为系统消息的更新周期,否则,执行步骤D2;其中,信息块包括MIB、SB或SIB;D2、自所有SIB最高优先级开始,在当前优先级的周期上限内,对当前优先级对应的当前周期下限加倍并返回步骤D1,直到当前优先级为所有SIB最低优先级时,将当前优先级置为所有SIB最高优先级,返回步骤D1,直至D1中得到系统消息的更新周期。 5. The method according to claim 1, wherein step D, according to the descending order of priority and a priority cycle corresponding to upper and lower limits, the system update period determined message comprises: D1, to obtain All SIB limit the current cycle in a maximum period, it is determined whether all of the scheduling information blocks implemented within the period, and if so, the maximum period of the update cycle the system returns the message, otherwise, perform step D2 of; wherein the information block comprises MIB, SB or SIB; D2 of, from the highest priority starts all SIB, within the current priority period upper limit, the current of the current period corresponding to the priority limit doubled and returns to step D1, until the current priority of all SIB lowest priority when the current priority level is set to the highest priority of all SIB returns to step D1, D1 obtained until the update cycle the system message.
6.根据权利要求5所述的方法,其特征在于步骤D1中所述判断该最大周期内能否调度所有实现的信息块包括:分别计算所述最大周期内各个信息块的周期所占份数,用该份数分别乘以各自信息块的不级连的分段数,累加相乘的结果得到该最大周期内调度所有实现的信息块所需的系统消息数;比较系统消息数是否大于所述最大周期所能传输的系统消息数,如果是,则该最大周期内不能调度所有实现的信息块,否则,该最大周期内能够调度所有实现的信息块;其中,信息块包括MIB、SB和SIB。 6. The method according to claim 5, wherein said step D1 determines whether all scheduled within the information blocks to achieve the maximum period comprises: calculating each cycle of each block of information within the period occupied by the maximum number of copies , not by the number of cascaded segment parts are multiplied by the respective information block, the accumulation result of multiplying the number of the scheduling system information obtained all the information needed blocks implemented within the maximum period; if the number of messages is greater than the comparison system Periodic said maximum number of messages that can be transmitted to the system, if so, can not be scheduled all information blocks implemented within the maximum period, otherwise, the maximum period of the schedule can be implemented all the information blocks; wherein the information block includes MIB, SB, and SIB.
7.根据权利要求1所述的方法,其特征在于步骤D中,所述根据更新周期以及分段和级连情况为每个系统消息分配在广播信道中的发送时刻包括:E1、初始化调度信息表的长度为所述更新周期,并初始化信息表数组为未分配状态,和设置当前优先级为所有信息块中的最高优先级;E2、根据信息块上的标记,判断当前优先级对应的信息块是否级连到其它信息块上,如果是,则执行步骤E3,否则,执行步骤E4;E3、查找当前优先级对应的信息块所级连到的信息块的末段位置,在当前优先级对应信息块的首段中标记该位置,然后,判断当前优先级对应信息块是否还有其它分段,如果没有,则执行步骤E5,否则,自当前优先级对应信息块的第二个分段开始,顺序查找调度信息表中的下一个未分配位置,在调度信息表中标记该位置为已分配状态并在当前的分段上标记 7. The method according to claim 1, wherein step D, according to the update cycle and the cascade segments and where each system is allocated transmission time in a broadcast message channel comprising: E1, initialization scheduling information length of the table to the update cycle, and initialization information table array is unassigned, and the current priority level is provided for all the information block highest priority; E2 of, according to the markings on the block, determines current corresponding to the priority information whether connected to other block-level information block, if yes, performing step E3, otherwise, executing step E4; E3, last paragraph to find the position information of the current block corresponding to the priority level attached to the information blocks in the current priority information blocks corresponding to the opening paragraph mark that location, and then determining whether the current block corresponding to the priority information if there are other segments, if not, step E5, otherwise, from the current block corresponding to the priority information of the second segment begins, a sequential search the schedule information table, a non-dispensing position, the mark position information in the schedule table and marked as allocated segments on the current state 该位置,直至为当前优先级对应信息块的所有分段分配调度信息表中的位置完毕,执行步骤E5;E4、自当前优先级对应信息块的第一个分段开始,顺序查找调度信息表中的下一个未分配位置,在调度信息表中标记该位置为已分配状态并在当前分段上标记该位置,直至为当前优先级对应信息块的所有分段分配调度信息表中的位置完毕,执行步骤E5;E5、当前优先级降低一级,返回步骤E2,直至当前优先级为最低优先级。 This position until completion of all the segments of the current priority assignment schedule information table corresponding to the position information block, step E5; E4, the current from the first segment information block corresponding to the priority sequence starting with the schedule information table lookup the next non-dispensing position, the mark position in the schedule information table, the location is marked allocated segments on the current state and, until completion of all the segments of the current priority assignment schedule information block information table corresponding to the position performing a step E5; E5, a current priority is reduced, returns to step E2 of, until the current priority level is the lowest priority.
8.根据权利要求1所述的方法,在步骤D中,在确定系统消息的更新周期后,该方法进一步包括:返回步骤A,根据确定的系统消息更新周期重新确定所述周期下限。 8. The method according to claim 1, in Step D, after determining system message update cycle, the method further comprising: returning to step A, re-determining the limit in accordance with the determined cycle system message update cycle.
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