CN101146344B - A downlink resource dynamic allocation system and method in GPRS system - Google Patents

A downlink resource dynamic allocation system and method in GPRS system Download PDF

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CN101146344B
CN101146344B CN 200610153831 CN200610153831A CN101146344B CN 101146344 B CN101146344 B CN 101146344B CN 200610153831 CN200610153831 CN 200610153831 CN 200610153831 A CN200610153831 A CN 200610153831A CN 101146344 B CN101146344 B CN 101146344B
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time
information
slot
bitmap
network
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CN 200610153831
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CN101146344A (en )
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郑雅莉
陈德
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华为技术有限公司
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Abstract

The utility model discloses a system and method for the dynamic allocation of downlink resource under GPRS system. The system includes a mobile station and a corresponding radio network. A bitmap information reconfiguring module is added to the core network; the bitmap information reconfiguring module builds up bitmap information corresponding to the current time slot according to the status of time slot allocation throughout the time domain defined by the core network. The bitmap information contains idle time slot information and/or time slot information allocated to other mobile stations within the scope of set time slot after the current time slot. The core network allocates subsequent idle time slots according to the bitmap information. The method includes the following steps: the network side determines the state of time slot allocation throughout the time domain; the network side builds up bitmap information corresponding to current time slot according to the state of time slotallocation; The bitmap information contains idle time slot information and/or time slot information allocated to other mobile stations within the scope of set time slot after the current time slot. and builds up the bit information corresponding to the current time slot; the network side allocates subsequent idle time slots according to the bitmap information.

Description

一种GPRS系统中下行资源动态分配的系统和方法 System and method for dynamic allocation of downlink GPRS system resources

技术领域 FIELD

[0001] 本发明涉及一种移动通信技术,尤其涉及一种GPRS系统中下行资源动态分配的系统和方法。 [0001] The present invention relates to a mobile communication technology, particularly to a system and method for a GPRS system dynamically allocated downlink resources.

背景技术 Background technique

[0002] GPRS是在现有的全球移动通信系统基础之上发展起来的一种移动分组数据业务。 [0002] GPRS is developed in the conventional system based on the Global System for Mobile communications in a mobile packet data service.

GPRS通过在全球数字移动通信网络中引入分组交换功能实体,以支持采用分组方式进行的 Introducing GPRS packet switching function entity in the global digital mobile communication network, to support the grouping performed using

数据传输。 data transmission. GPRS系统可以看作是对原有的全球移动通信系统中电路交换系统进行的业务扩 GPRS service system can be seen as expanding the original GSM circuit switched system is

充,以满足移动台利用移动终端接入互联网或其它分组数据网络的需求。 Charge, to meet the mobile station using the mobile terminal to access the Internet or other packet data networks.

[0003] 如图1所示,GPRS系统包括移动台1及对应的无线网络,所述无线网络包括基站 [0003] As shown, GPRS system 1 includes a mobile station 1 and a corresponding wireless network, said wireless network comprising a base station

2、基站控制台、以及核心网4。 2, BSC, and a core network 4. 上述核心网4根据当前时隙对应的位图信息将后续的各个时 4 according to the current slot bitmap information corresponding to the each subsequent time and the core network

隙分配给各对应的移动台l,例如,分配给其他移动台,或将空闲的时隙分配给当前时隙对 Slot allocated to each mobile station corresponding to the L, for example, allocated to the other mobile stations, or idle time slots to be allocated for the current time slot

应的移动台。 Should the mobile station. 在各个时隙,无线网络向对应的移动台分配下行资源。 Allocating downlink resources to the mobile station corresponding to respective time slots, the wireless network.

[0004] 下面介绍一下GPRS系统中分配下行资源的过程,如图2所示,网络侧在下行分组随路控制信道上向移动台下发下行分组链路指派消息(01),移动台接收到该指派消息后, 向网络侧反馈一个分组控制应答响应消息(02),表示移动台已经接收到了网络侧下发的下行分组链路指派消息;之后,网络侧根据上述的下行分组链路指派消息,通过分组数据信道向移动台下发数据块(03),在设定的时刻,网络侧可以在下发的数据块中添加轮询消息(04),移动台接收到该轮询消息后,结合其接收数据块的情况,在下行分组随路控制信道上向网络侧反馈一个分组下行确认应答/否认应答消息(05),以表示已经成功或失败地接收了数据块。 [0004] The following procedure describe allocation of downlink resources GPRS system, as shown, the network side downlink packets sent over the downlink control channel assignment message packet link (01) to the mobile audience 2, the mobile station receives after the assignment message, a packet control acknowledgment response feedback message (02) to the network side indicates the mobile station has received the downlink packet sent by the network side of the link assignment message; then, based on the network side downlink assignment message packet link after moving to send the audience data block (03), at the set time, the network side may send the next packet data channel by adding poll message data block (04), the mobile station receives the polling message, the binding data block which is received on the downlink feedback packet associated control channel to the network side a packet downlink acknowledgment / negative acknowledgment message (05) to indicate success or failure has received the data block. 由于GPRS网络是分组传输数据块的,因此,网络侧在确定移动台成功接收到了上述数据块后,继续通过分组数据信道向移动台下发数据块(06)。 Since GPRS is a packet network transmission of data blocks, therefore, the network side after determining the mobile station successfully receives said data blocks, a packet data channel continues to send the mobile audience data block (06). 网络侧可以在向移动台下发数据块(06)的过程中,在设定的时刻,通过下行分组随路控制信道在向移动台下发的下行分组链路指派消息中添加轮询消息(07),来轮询移动台是否正确接收到指派信息,而移动台则根据其接收状况向网络侧反馈一个分组控制应答响应消息(08),确认已经正确接收到指派信息。 During network side may send to the mobile audience data block (06), the set time, the control channel assignment message is added to the downlink polling message packets sent by a link to the mobile audience with a downlink packet channel ( 07), to poll the mobile station correctly receives assignment information, the mobile station feeds back a control packet acknowledgment response message (08), has been correctly received acknowledgment assignment information to the network side based on the reception conditions. 网络侧通过分组数据信道继续向移动台下发数据块(09),并在最后的数据块中添加轮询消息(10),来轮询移动台对数据块的接收情况,而移动台则根据其接收数据块情况,反馈一个分组下行确认应答/否认应答消息(11),以表示已经成功或失败地接收了全部数据块。 The network side via a packet data channel continues to send the data block to the mobile audience (09), and add a poll message (10) in the last data block, the mobile station receives the polling of the data block and the mobile station according to the receiving a data block case, the feedback packet downlink acknowledgment / negative acknowledgment message (11) to indicate success or failure has received the entire data block.

[0005] 在上述GPRS分配下行无线资源的过程中,移动台对网络侧下发的下行分组链路指派消息(01)消息反馈分组控制应答响应消息(02),以及移动台对网络侧下发的轮询其接收下行分组链路指派消息情况的消息(07)而反馈的分组控制应答响应消息(OS),这些响应消息根据相对保留块周期是在一个上行无线块周期里发送的。 [0005] During the above GPRS downlink radio resource allocation, the mobile station sent by the network side of the packet downlink assignment message link (01) a feedback message packet control acknowledgment response message (02), and the mobile station to the network side message (07) which receives a polling packet downlink assignment message link condition and feedback control packet acknowledgment response message (OS), the response message is a relative reserved block period in the uplink radio block a transmission cycle. 移动台侧从开始完整接收到下行指派消息到确认的响应消息开始发送,通常会有40ms到100ms的时延。 The mobile station side receives from start to complete downlink assignment message in response to the acknowledgment message transmission start, there is usually a delay of 40ms to 100ms. 而网络的反应时间通常是在承载业务倒数最大值指定的无线块周期内,为0〜300ms,比较优化的一个反应时间为60ms。 And the reaction time is usually in the network bearer services reciprocal of the maximum specified radio block period for 0~300ms, a more optimal reaction time is 60ms. 假设在最好的情况下,指派消息和确认的响应消息都接收正确,相对保留块周期和承载业务倒数最大值都取到最优,即相对保留块周期取40ms,承载业务倒数最大值取60ms,则最小的时延也将达到100ms。 Assuming the best case, assignment response message and acknowledgment message are received correctly, block periods and the maximum value of the reciprocal of the relative retention bearer services are accessible to the optimum, i.e., relative reserved block period takes 40ms, 60ms bearer traffic to take the reciprocal of the maximum , the minimum delay will reach 100ms. 在这100ms的时延里,无线网络资源并没有被网络和任何移动台所使用,而是被浪费了。 In this 100ms delay, the radio network resources are not being used by any network and the mobile station, but is wasted.

[0006] 有鉴于此,现有技术中通过利用GPRS下行数据块中的有效载荷类型中的预留位, 同时更改最终块指示来实现对这100ms的空闲时隙进行利用。 [0006] In view of this, the prior art by utilizing reserved bits in the payload type GPRS downlink data block in the same time to change the end block to achieve this indicates an idle time slot for use 100ms.

[0007] 如图3所示,左边一列的三个块B1、B2、B3为未利用其中空闲时隙的数据块传输示意图。 [0007] As shown, the left one of the three blocks B1, B2, B3 in which the data block is unused idle slot 3 a schematic view of the transmission. 在块B1中,时隙0到时隙7这8个时隙均分配给了相应的分组数据信道的移动台, 而在块B2和B3中,时隙4和时隙6为空闲,未分配给任何一个分组数据信道的移动台。 In block B1, slot 0 to slot 7 eight time slots are allocated to the mobile station corresponding packet data channel, B2 and B3 in the block, the slot 4 and slot 6 is idle, unallocated any of the mobile station to a packet data channel. [0008] 在右边一列的三个块B1、 B2、 B3中,通过利用GPRS下行数据块中的有效载荷类型中的预留位,同时更改最终块指示实现了对空闲时隙4和空闲时隙6的重新分配。 [0008] The three blocks in the right column of B1, B2, B3, by utilizing reserved bits payload type GPRS downlink data block in the same time to change the end block indicates realizes the idle time slot and idle slot 4 reassign 6. 在块Bl中,时隙0到时隙7这8个时隙均分配给了相应的分组数据信道的移动台;网络侧根据其记录可以确定在块B2之后的数据块中,时隙4和时隙6是空闲的,可以将这两个空闲的时隙分配给当前时隙1对应的移动台使用。 In block Bl, a slot 0 to slot 7 eight time slots are allocated to the mobile station corresponding packet data channel; network side may determine which records in the data block after the block B2, and slot 4 6 is an idle slot, the two idle slots can be assigned to the current time slot 1 corresponding to mobile stations. 于是,在块B2中,网络侧在时隙1的分组数据信道中添加位图信息,该位图信息指示了下一时刻可以进行分配的设定时隙范围的时隙分配信息。 Thus, in the block B2, the network side of the packet data channel time slot bitmap information added to 1, the bitmap information indicating the slot assignment information of the next time set of slots can be allocated. 例如"00101",依次表示了当前时隙l后的5个时隙范围内的时隙分配信息,其中"0"代表不可分配的时隙,"1"代表可以分配的时隙,"00101"表示时隙4和时隙6均是可以进行分配的空闲时隙;在块B3中,根据上述块B2中时隙1的分组数据信道中的位图信息"00101",时隙4和时隙6被分配给相应的分组数据信道的移动台,从而实现了对空闲时隙的利用。 For example, "00101", respectively for the current time slot within a time slot 5 l of slots after the slot allocation information, wherein "0" represents not assigned, "1" represents may be assigned slots, "00101" 6 denotes a slot 4 and slots are idle time slots can be allocated; block B3, in accordance with the bitmap data packet channel time slot in the block B2 1 information "00101", the slot 4 and slots 6 is allocated to the mobile station corresponding packet data channel, enabling the use of free slots.

[0009] 上述根据当前时隙的位图信息进行空闲时隙的分配过程中,只能分配到位图信息所能表示出的有限范围的空闲时隙,如上述位图信息覆盖了当前时隙后的5个扩展时隙, 且该位图信息只能包含在当前时隙的分组数据信道中。 After [0009] The process for allocating idle time slot, only a limited range of information that can be expressed in the bitmap allocated idle time slot bitmap information as described above covering the current slot bit map information of current slot five expansion slots, and the bitmap information is contained only in the current slot packet data channel. 这样,就可能导致因位图信息的覆盖范围所限,而使位图信息覆盖范围之外的空闲时隙得不到分配。 Thus, it may result in coverage due to the limitation of the bitmap information, the idle time slot bitmap information outside the coverage can not be assigned. 如图4所示,在当前时隙1,只能根据其中的位图信息"00101"对后续扩展时隙中的空闲时隙4和空闲时隙6进行动态分配;而即使时隙0是空闲的,由于当前时隙1中位图信息覆盖的分配范围所限,也无法进行对空闲时隙0进行动态分配。 4, in the current time slot 1, according to which only the bitmap information "00101" be dynamically allocated and 4 idle timeslots subsequent idle slots 6 extended slot; even while idle slot 0 , since the current slot bitmap information in a coverage range of the distribution of the limited idle time slot can not be 0 for dynamic allocation. 欲分配该空闲时隙O,起码要等到时隙3,通过时隙3中的位图信息才能对该空闲时隙0进行动态分配。 The idle time slots to be allocated O, at least until the time slot 3, the dynamic allocation of the idle time slots 0 through 3 to the bitmap information in the time slot.

[0010] 由此可见,现有技术中对空闲时隙分配的方法依赖于当前时隙的位图信息,而当前时隙的位图信息覆盖的分配范围有限,这就直接导致了分配空闲时隙的范围不能覆盖到整个时域范围。 When [0010] Thus, the prior art method for allocating idle time slot depends on the current slot bitmap information, and the limited current slot bitmap information of the distribution range of coverage, which led directly to allocate idle gap range can not cover the entire time domain. 如果在当前位图信息覆盖的分配范围之外仍然存在可以分配的空闲时隙, 现有的分配方法就无能为力了,这样仍然存在网络资源的浪费。 If there are still idle time slots can be allocated outside the range of the current allocation bitmap information covered, the conventional allocation methods can not do anything, so there is still a waste of network resources.

发明内容 SUMMARY

[0011] 本发明针对现有技术的缺点,提供一种GPRS系统中下行资源动态分配的系统和方法,可以全面分配整个时域上的空闲时隙,提高网络的利用率。 [0011] The present invention addresses shortcomings of the prior art by providing a system and method for a GPRS system dynamically allocated downlink resources can be fully allocated idle time slots over the entire time domain, improving network utilization.

[0012] 本发明所述的GPRS系统中下行资源动态分配的系统,包括移动台及对应的无线网络,所述无线网络包括基站、基站控制台以及核心网,在核心网中还设置有位图信息重构模块; [0012] GPRS system according to the present invention, dynamic resource allocation of a downlink system, including a mobile station and a corresponding wireless network, the wireless network including a base station, BSC, and a core network, the core network is also provided with a bitmap information reconstruction module;

[0013] 所述位图信息重构模块根据核心网确定的整个时域上的时隙分配状态,构建当前时隙对应的位图信息,其中,所述位图信息中包含当前时隙后设定时隙范围内的空闲时隙信息、和/或分配给其他移动台的时隙信息,并且所述位图信息中不包含已经分配给与当前时隙对应的移动台的时隙信息; After [0013] the bitmap information according to the allocation state reconstruction module slot over the entire time domain core network is determined to construct the bitmap information corresponding to the current slot, wherein the bitmap information includes current time slot is provided idle slot within a given time slot range information, and / or other mobile stations assigned to the time slot information, and the information does not include the bitmap information that has been allocated to the time slot corresponding to current time slot the mobile station;

[0014] 所述核心网根据所述位图信息重构模块构建的位图信息分配后续空闲时隙。 [0014] The core network idle time slots subsequent allocation bitmap according to the bitmap information message reconstruction module constructed. [0015] 上述的时隙分配状态包括时隙为空闲状态,或时隙已经分配给当前时隙对应的移动台,或时隙已经分配给其他移动台。 [0015] The slot includes a timeslot assignment state to the idle state, or the current time slot has been assigned to the mobile station corresponding to the slot, or slots already assigned to another mobile station.

[0016] 本发明还提供一种GPRS系统中下行资源动态分配的方法,其步骤包括:[0017] 步骤一,网络侧确定整个时域上的时隙分配状态; [0016] The present invention further provides a method for a GPRS system dynamically allocated downlink resources, comprising the steps of: [0017] Step 1, the network side determines slot allocation state over the entire time domain;

[0018] 步骤二,网络侧根据所述时隙分配状态,构建当前时隙对应的位图信息,其中,所述位图信息中包含当前时隙后的空闲时隙信息、和/或分配给其他移动台的时隙信息,并且所述位图信息中不包含已经分配给与当前时隙对应的移动台的时隙信息;[0019] 步骤三,网络侧根据所述位图信息分配后续空闲时隙。 [0018] Step two, the network side according to the slot assignment state, constructed bitmap information corresponding to the current slot, wherein the bitmap information includes information about the idle time slot of the current time slot, and / or assigned to slot information of other mobile stations, and the bitmap information does not contain information of the current time slot has been allocated to the mobile station corresponding to the slot; [0019] step three, subsequent idle distribution network according to the bitmap information slots.

[0020] 本发明中,所述时隙分配状态包括时隙为空闲状态,或时隙已经分配给当前时隙对应的移动台,或时隙已经分配给其他移动台。 [0020] In the present invention, the slot is timeslot assignment state comprises an idle state, or the current time slot has been assigned to the mobile station corresponding to the slot, or slots already assigned to another mobile station.

[0021] 本发明所述动态分配空闲时隙的方法,仅是根据当前时隙的分组数据信道中包含的位图信息进行后续时隙的分配。 The method of the [0021] present invention, dynamic allocation of idle time slots, are allocated only in accordance with the following slot bitmap information of the current data packet channel time slots contained. 在构建当前时隙对应的位图信息时,位图信息中不包含已经分配给当前时隙对应移动台的时隙信息,这样,位图信息所表示的时隙分配覆盖范围就扩大了,从而克服了现有技术中因位图信息的覆盖范围有限导致不能充分利用整个时域上的空闲时隙的弊端,大大提高了网络的利用率。 When constructing the bitmap information corresponding to the current slot bitmap information does not include information about the current time slot corresponding to the slot already allocated to the mobile station, so that the coverage of slot allocation bitmap information indicated on the expansion, thereby It overcomes the prior art due to the coverage information of the bitmap results in not fully utilize the limited idle time slots over the entire time domain drawbacks, greatly improving the utilization of the network.

附图说明 BRIEF DESCRIPTION

[0022] 图1为现有技术中GPRS系统分配下行资源的系统结构示意图; [0022] FIG. 1 for allocating downlink resources in the prior art system structure diagram of the GPRS system;

[0023] 图2为现有技术中GPRS系统分配下行资源的流程示意图; [0023] FIG 2 is allocated downlink resources prior art schematic flow diagram of the GPRS system;

[0024] 图3为现有技术中GPRS系统分配下行资源的时隙占用示意图; [0024] FIG. 3 is a schematic view of the prior art occupied downlink resources allocated slot GPRS system;

[0025] 图4为现有技术中GPRS系统分配下行资源的另一种时隙占用示意; [0025] FIG. 4 is allocated downlink resources prior art GPRS system schematically another timeslot occupation;

[0026] 图5为本发明的GPRS系统动态分配下行资源的方法流程图; The method of dynamic allocation of downlink resources flowchart [0026] FIG. 5 GPRS system of the present invention;

[0027] 图6为本发明的GPRS系统动态分配下行资源的时隙占用示意图; GPRS system [0027] FIG. 6 of the present invention, dynamic allocation of downlink resources schematic timeslot occupation;

[0028] 图7为本发明的GPRS系统动态分配下行资源的另一种时隙占用示意图。 Another slot GPRS system [0028] FIG. 7 of the present invention, dynamic allocation of downlink resources occupied FIG.

具体实施方式 detailed description

[0029] 本发明中,通过构建仅包含当前时隙后的空闲时隙信息、和/或分配给其他移动台的时隙信息的位图信息,并按此位图信息分配空闲时隙,从而实现了对整个时域的空闲时隙进行动态分配,大大提高了网络的利用率。 [0029] In the present invention, by constructing only the idle slot information comprising the current time slot, and / or to the bit map information of the slot information of the other mobile stations, using this as an idle time slot allocation bitmap information, thereby to achieve a dynamic allocation of the idle slot entire time domain, greatly improving the utilization of the network. [0030] 下面结合附图对本发明做进一步说明。 [0030] DRAWINGS The present invention is further described.

[0031] 本发明所述的GPRS系统中动态分配下行资源的系统,在现有无线网络的核心网中增加设置了位图信息重构模块。 [0031] GPRS system according to the present invention, dynamic allocation of downlink resources system, the bitmap information is provided to increase the reconstruction module existing in a core network of the wireless network. 该位图信息重构模块根据核心网确定的整个时域上的时隙分配状态,构建当前时隙对应的位图信息,即当前移动台所在时隙对应的位图信息。 The reconstruction module bitmap information according to the allocation state of the whole time slot on the time domain core network determined to construct the bitmap information corresponding to the current time slot, i.e. time slot bitmap information corresponding to the station where the current movement. 该位图信息中包含当前时隙后设定时隙范围内的空闲时隙信息、和/或分配给其他移动台的时隙信息。 Setting the idle slot information of slots and / or time slot assigned to another mobile station information after the current time slot information included in the bitmap. 当前移动台所在时隙对应的位图信息构建完毕后,核心网可根据此位图信息分配 After the time slot where the bitmap information corresponding to the mobile station currently finished construction, the core network may be based on this bit allocation information FIG.

6整个时域中后续空闲时隙。 6 throughout the subsequent idle slots in the time domain.

[0032] 上述的整个时域上各时隙的分配状态可由核心网根据其记录确定。 [0032] The assignment state of each slot on said entire time-domain Core Network can be determined according to its record.

[0033] 核心网根据其记录可确定哪些时隙为空闲状态,哪些时隙已经分配给当前时隙对 [0033] The core network which may be determined according to the recording time slot which is in an idle state, which has been assigned to the current time slot to time slot

应的移动台,哪些时隙已经分配给了其他的移动台,并根据确定出来的整个时域上的时隙 Corresponding to the mobile station which time slots already assigned to another mobile station, and based on the determined time slot out of the entire time-domain

分配状态构建当前时隙对应的位图信息。 Construction of the current allocation status bitmap information corresponding to the slot.

[0034] 以图6为例,块B l中的时隙0至时隙7的整个时域范围内,8个时隙均非空闲,均分配给了相应的分组数据信道的移动台,且时隙4分配给了当前时隙1对应的分组数据信道的移动台。 [0034] In FIG. 6, for example, over the entire time domain block B l slots in slots 0 to 7, 8 were non-idle time slots are allocated to the mobile station corresponding packet data channel, and 4 the current time slot allocated to the mobile station packet data channels corresponding to time slots 1.

[0035] 核心网根据其记录还可以确定在块B2之后的数据块中,时隙4继续分配给当前时隙1对应的分组数据信道的移动台,时隙6和时隙7是空闲的,时隙2、时隙3、时隙5分配给了其他分组数据信道的移动台。 [0035] The core network data block after the block B2, the time slots 4 according to their allocation to continue the recording may also determine the current time slot to the mobile station 1 corresponding to the packet data channel, the slot 6 and slot 7 are idle, slot 2, slot 3, slot 5 to the other mobile station packet data channel.

[0036] 核心网中的位图信息重构模块根据核心网确定的整个时域上的时隙分配状态,构建当前时隙对应的位图信息。 [0036] The core network module reconstructed bitmap information according to the allocation state of the whole time slot on the determined core network domain construct corresponding to the current slot bitmap information.

[0037] 若当前时隙后的各时隙均处于空闲状态,则构建的位图信息中包含当前时隙后的设定时隙范围的空闲时隙信息; [0037] The bitmap information if the current time-slot of each slot in the idle state, the idle time slot construction information included in the current set of slots of the time slot;

[0038] 若当前时隙后的各时隙均分配给其他移动台,则构建的位图信息中包含当前时隙后的设定时隙范围的分配给其他移动台的时隙信息; [0038] If the current time slot in each time slot is assigned to another mobile station, the construction bitmap information includes allocation of slots set after the current time slot to time slot information of other mobile stations;

[0039] 若当前时隙后同时存在空闲时隙和分配给其他移动台的时隙,则构建的位图信息 [0039] If there is an empty slot bitmap, and other time slots assigned to the mobile station, after the current time slot is constructed at the same time the information

中包含设定时隙范围的空闲时隙信息和分配给其他移动台的时隙信息。 Idle slot assignment information included in the set of slots of time slot information to other mobile stations.

[0040] 仍以图6为例,对应于块B2,时隙4已经分配给时隙1对应的移动台,时隙6和时 [0040] FIG. 6 is still an example, corresponds to the block B2, the slot 4 has a corresponding time slot assigned to the mobile station, and time slot 6

隙7为空闲时隙,时隙2、时隙3、时隙5为分配给其他分组数据信道的移动台。 7 is a gap of idle slots, slot 2, slot 3, slot 5 is allocated to the mobile station to another packet data channel. 于是,位图 Thus, bitmaps

信息重构模块构建的当前时隙对应的位图信息为"00011",其中,"0"代表不可进行分配的 Current slot bitmap information corresponding to the reconstruction module constructed as "00011", where "0" represents a non-partitioned

时隙,"1"代表可以进行分配的时隙,不同位置的"0"或"1"对应于不同的时隙,第一个"0" Timeslots, "1" may be assigned to different positions of "0" or "1" corresponding to different time slots, a first "0"

对应于时隙2,第二个"0 "对应于时隙3,第三个"0 "对应于时隙5,第四个"1"对应于时隙 2 corresponds to the time slot, the second "0" corresponds to 3 slots, the third "0" corresponds to a time slot 5, the fourth "1" corresponds to slot

6,第五个"1"对应于时隙7。 6, the fifth "1" corresponds to slot 7. 可见,构建的当前时隙对应的位图信息中不包含已经分配给当 Visible, corresponding to the current slot bitmap information constructed has been assigned is not included when

前时隙1对应分组数据信道的移动台的时隙4。 1 slot before the corresponding packet data channel time slots the mobile station 4.

[0041] 核心网根据上述位图信息重构模块构建的位图信息分配后续空闲时隙,即将空闲的时隙6和时隙7分配给当前时隙1对应分组数据信道的移动台。 [0041] The core network idle time slots subsequent allocation bit map the bit map information reconstruction module built information, i.e. the idle slot 6 and slot 7 to the mobile station corresponding to a current slot packet data channel. 对应于块B3,可以看出,整个时域中的空闲时隙均得到了分配。 Corresponding to the block B3, it can be seen, the entire idle time slot in the time domain have been allocated.

[0042] 由上述可以看出,本发明所述的GPRS系统中下行资源动态分配的系统中,构建的位图信息中不包含已经分配给当前移动台对应的时隙信息,而只包含后续设定时隙范围内 [0042] As can be seen from the above, the system according to the present invention, the GPRS system resources dynamically allocated downlink construct the bitmap information is not included in the time slot has been assigned to the current information of the mobile station corresponding to the subsequent set comprising only within a given time slot range

的空闲时隙信息和分配给其他移动台的时隙信息,因此,构建的位图信息可以表示更大的 Idle time slot to time slot assignment information and information of other mobile stations, thus, constructed bitmap information can represent a larger

时隙覆盖范围,根据此位图信息进行时隙资源的分配,可提高网络的利用率。 Coverage slot, slot resource allocation bitmap information according to this, can improve the utilization of the network.

[0043] 本发明还提供一种GPRS系统中下行资源动态分配的方法,如图5所示,其步骤包 [0043] The present invention further provides a method for a GPRS system dynamically allocated downlink resources, shown in Figure 5, the steps package

括: include:

[0044] 步骤101,网络侧确定整个时域上的时隙分配状态。 [0044] Step 101, the network side determines slot allocation state over the entire time domain.

[0045] 网络侧根据其记录可以确定整个时域上各时隙的分配状态,即确定哪些时隙是空闲的,哪些时隙已经分配给当前时隙对应的移动台,哪些时隙已经分配给其他移动台。 [0045] The network assignment status record of each slot may be determined over the entire time domain, i.e., to determine which time slots are free, the time slot which has been assigned to the mobile station corresponding to the current time slot, which time slot has been assigned to other mobile stations. [0046] 如图6所示,块B l中的时隙0至时隙7的整个时域范围内,8个时隙均非空闲,均分配给了相应的分组数据信道的移动台,且时隙4分配给了当前时隙1对应的分组数据信道的移动台。 [0046] As shown in FIG 6, the entire time domain block B l slots in slots 0 to 7, 8 were non-idle time slots are allocated to the mobile station corresponding packet data channel, and 4 the current time slot allocated to the mobile station packet data channels corresponding to time slots 1.

[0047] 网络侧根据其记录可以确定在块B2之后的数据块中,时隙4继续分配给当前时隙1对应的分组数据信道的移动台,时隙6和时隙7是空闲的,时隙2、时隙3、时隙5分配给了其他分组数据信道的移动台。 [0047] In network side data block after the block B2, the slot 4. The recording can continue to allocate to the mobile station determines the packet data channel corresponding to a current slot, a slot 6 and slot 7 is idle, when slot 2, slot 3, slot 5 to the other mobile station packet data channel.

[0048] 步骤102,网络侧根据上述时隙分配状态,构建当前时隙对应的位图信息,该位图信息中包含当前时隙后设定时隙范围内的空闲时隙信息、和/或分配给其他移动台的时隙信息。 [0048] Step 102, the network side based on the time slot assignment state, construct the current bitmap information corresponding to the slot, an idle time slot information includes range information setting a time slot after the current slot bitmap, and / or message slot assigned to other mobile stations.

[0049] 本步骤中,网络侧根据确定了的时隙分配状态构建当前时隙对应的位图信息,若当前时隙后的各时隙均处于空闲状态,则该构建的位图信息中只包含当前时隙后的设定时隙范围的空闲时隙信息;若当前时隙后的各时隙均分配给其他分组数据信道的移动台,则构建的位图信息中只包含当前时隙后的设定时隙范围的分配给其他移动台的时隙信息;若当前时隙后的各时隙既存在空闲时隙,又存在分配给其他分组数据信道的移动台的时隙, 则构建的位图信息中同时包含了设定时隙范围的空闲时隙信息和分配给其他移动台的时隙信息。 [0049] In this step, the network-side bitmap information is constructed corresponding to the current slot is determined according to the slot assignment state, if the current time-slot of each slot in the idle state, the bitmap information constructed only If each slot after the current slot is assigned to another packet data channel of the mobile station, the build bitmap information includes only the current time slot; idle slot contains information about the current set of slots of the slot set of slots allocated to other mobile stations slot information; if the current of each time slot after time slot both the presence of an idle time slot, and there are time slots allocated to other mobile station packet data channel is constructed bitmap information includes both idle slot assignment information and the set of slots of time slot information to other mobile stations. 也就是说,构建的当前时隙对应的位图信息中,不包含当前时隙后已经分配给当前时隙对应移动台的时隙信息。 That is, the current build bitmap information corresponding to the slot, the slot does not contain information already assigned to the mobile station corresponding to the current time slot after the current time slot.

[0050] 根据上述步骤101中确定的时隙分配状态,时隙4已经分配给时隙1对应的移动台,时隙6和时隙7为空闲时隙,时隙2、时隙3、时隙5为分配给其他分组数据信道的移动台。 [0050] The timeslot assignment state determined in the above step 101, time slot 4 has a corresponding time slot assigned to the mobile station, the slot 6 and slot 7 for the idle slot, slot 2, slot 3, 5 is a slot allocated to the mobile station to other packet data channels. 于是,构建的当前时隙对应的位图信息为"00011",其中,"0"代表不可进行分配的时隙, "1"代表可以进行分配的时隙,不同位置的"0"或"1"对应于不同的时隙,第一个"0"对应于时隙2,第二个"0"对应于时隙3,第三个"0"对应于时隙5,第四个"1"对应于时隙6,第五个"l"对应于时隙7。 Thus, the corresponding current slot bitmap information constructed as "00011", where "0" represents non-allocated time slot, "1" may be assigned slots, in different positions, "0" or "1 "correspond to different time slots, a first" 0 "corresponds to slot 2, the second" 0 "corresponds to 3 slots, the third" 0 "corresponds to a time slot 5, the fourth" 1 " 6 corresponds to the time slot, the fifth "l" corresponding to the slot 7. 可见,构建的当前时隙对应的位图信息中不包含已经分配给当前时隙1对应分组数据信道的移动台的时隙4。 Visible, corresponding to the current slot bitmap information is not included in the construct has been assigned to the current time slot corresponding to slot 1 the mobile station of a packet data channel 4.

[0051] 步骤103,网络侧根据上述位图信息分配后续空闲时隙。 [0051] Step 103, a subsequent idle time slots allocated by the network based on the bitmap information.

[0052] 经过步骤102,构建了当前时隙对应的位图信息,于是,本步骤中,根据构建的当前时隙对应的位图信息对当前时隙后的空闲时隙进行分配。 [0052] After step 102, constructs a bitmap information corresponding to the current slot, then, in this step, the current allocation of idle time slots according to the current slot bitmap information corresponding to the slot construction.

[0053] 根据步骤102中构建的当前时隙对应的位图信息"00011",本步骤中,将空闲时隙6和空闲时隙7分配给当前时隙1对应的分组数据信道的移动台,即对应于块B3。 [0053] "00011", in this step, the idle time slot 6 and 7 idle slots allocated to the mobile station 1 corresponding to the current slot packet data channel based on the current time slot corresponding to step 102 constructed bitmap information, i.e. corresponding to the block B3. [0054] 经过上述的动态分配过程,空闲时隙6和空闲时隙7分配给了当前时隙1对应的移动台,在整个时域中再不存在空闲时隙,从而实现了对网络资源的有效利用。 [0054] After the above dynamic allocation process, idle timeslots 6 and 7 idle slots allocated to the mobile station corresponding to the current time slot 1, idle time slots do not exist in the whole time domain, thereby achieving efficient network resources use. 与现有技术相比,由于构建的当前时隙1对应的位图信息中不包含已经分配给当前时隙1对应移动台的时隙4的信息,使得构建后的位图信息的覆盖范围扩大,即从现有技术中只能覆盖到时隙6,扩大到应用本发明之后的时隙7,实现了更好的利用空闲的时隙资源。 Compared with the prior art, since the construction of the current slot 1 corresponding to the bitmap information does not contain information of the current time slot has been allocated to the mobile station 1 corresponding to slot 4, so that the coverage of the bitmap information of the enlarged Construction , i.e., from the prior art can only cover the slot 6, slot 7 to expand after the application of the present invention, to achieve a better use of the idle timeslot resources. [0055] 上述以分配空闲时隙6和空闲时隙7为例对本发明做了说明,在时隙4已经分配给当前时隙1对应移动台的情况下,构建的当前时隙1对应的位图信息可以分配时隙6和时隙7。 [0055] In the above-described idle time slot allocated idle slots 6 and 7 as an example of the present invention has been described, in the time slot 4 has been assigned to the mobile station corresponding to the case where the current slot 1, time slot 1 corresponding to the current constructed bit FIG slot assignment information and timeslot 6 7. 现在假设,整个时域上时隙4分配给当前时隙1对应的移动台,而时隙6、时隙7、时隙0为空闲,则按下述过程对空闲的各个时隙进行分配。 Now assume that the entire domain time slot 4 assigned to the current time slot corresponding to the mobile station 1, the slot 6, slot 7, slot 0 is idle, the following procedure for each press idle slot allocation.

[0056] 对于时隙6和时隙7,仍按上述方法进行分配,当将时隙6和时隙7分配给当前时隙1对应的移动台后,再次根据整个时域中的时隙分配状态构建当前时隙1对应的位图信息。 [0056] For slot 6 and slot 7, based upon the above-described method for allocating, when the slot 6 and slot 7 to the current time slot 1 corresponding to mobile station again after the entire time slot assignment according to the time domain Construction of a state corresponding to a current slot bitmap information. 由于时隙4、时隙6、时隙7已经分配给当前时隙l对应的移动台,因此,在新构建的位图信息中就不在包含于这几个时隙的信息。 Since the time slot 4, slot 6, slot 7 l of the current slot has been assigned to the corresponding mobile station, therefore, in the newly constructed bitmap information is not contained in the information in these time slots. 新构建的位图信息为"00011",虽然本次构建的位图信息与前述构建的位图信息形式相同,但其中每个位置的"0"或"1"对应的时隙信息与前述构建的位图信息并不一致,其中,第一个"0"对应于时隙2,第二个"0"对应于时隙3,第三个"0"对应于时隙5,第四个"1"对应于时隙0,第五个"1"对应于时隙1 。 Newly constructed bitmap information is "00011", although the same bitmap information form this construct the bitmap information constructed, but the "0" position, or wherein each of "1" corresponding to the time slot information Construction the bitmap information is not consistent, wherein the first "0" corresponds to slot 2, the second "0" corresponds to 3 slots, the third "0" corresponds to a time slot 5, the fourth "1 "corresponds to slot 0, the fifth" 1 "corresponds to 1 slot. 经过了本次重新构建位图信息,当前时隙对应的位图信息的覆盖范围进一步扩大,网络侧可以分配整个时域的空闲时隙。 The reconstructed after the bitmap information corresponding to the current coverage slot bitmap information further expansion, the network side can allocate the entire idle time slots in the time domain.

[0057] 上述为当前时隙1对应的移动台分配空闲时隙6、时隙7、时隙0的过程持续多个数据块,当某一时刻,网络侧确定时隙6、时隙7、时隙0不再属于空闲时隙时,该动态分配过程结束。 [0057] The idle time slots allocated for the current time slot 1 corresponding to mobile station 6, slot 7, slot 0 of the continuous process of the plurality of data blocks, a time when the network side determines the slot 6, slot 7, when no longer belong to slot 0 idle slot, the dynamic allocation process ends. 此时,当前时隙1中的位图信息为"OOOOO",表示整个时域中无可以进行分配的空闲时隙。 At this time, in a current time slot bitmap information "OOOOO", it represents the entire time domain no idle time slots can be allocated.

[0058] 图7直观的表示出了上述动态分配空闲时隙的过程。 [0058] FIG. 7 shows the above-described visual dynamic process of assigning free slots. 在当前时隙l对应的位图信息中,不包含已经分配给当前时隙1对应移动台的时隙4信息,因此,位图信息所表示的时隙分配范围扩大到时隙7,网络侧根据此位图信息将时隙6分配给当前时隙1对应的移动台,即对应过程al ;将时隙7分配给当前时隙1对应的移动台,即对应过程a2。 In the bitmap information corresponding to the current time slot l, it does not include the current time slot has been assigned to the corresponding slot information the mobile station 4 1, and therefore, the range of the slot allocation bitmap information indicated by the expansion slot 7, the network side according to this bitmap information slot 6 to the mobile station corresponding to the current time slot 1, i.e., the corresponding process Al; 7 time slots 1 time slot currently assigned to the corresponding mobile station, i.e., the corresponding process a2. 经过上述分配过程,整个时域上的空闲时隙均被利用,不再存在空闲时隙。 After the assignment process, the entire idle time slots in the time domain are already in use, idle time slots no longer exists.

[0059] 本发明中,网络侧在构建当前时隙对应的位图信息时,在位图中不包含已经分配给当前时隙对应移动台的时隙信息,而只包括设定时隙范围内的空闲时隙信息,和/或分配给其他移动台的时隙信息。 [0059] In the present invention, in the construction of the network-side bitmap information corresponding to the current slot, the bitmap does not contain the current time slot has been assigned to a corresponding time slot information of the mobile station, but only within the set of slots comprises idle slot information, and / or other mobile stations assigned to the slot information. 网络侧根据此构建的当前时隙对应的位图信息分配整个时域中的空闲时隙。 According to this construction network idle time slots currently assigned slot bitmap information corresponding to the entire time domain. 由于在构建位图信息时,排除了已经分配给当前时隙对应移动台的其他时隙,使得新构建的位图信息可以利用有限的信息数量表示更大范围的空闲时隙信息,从而克服了现有技术中因位图信息的覆盖范围有限导致不能充分利用整个时域上的空闲时隙的弊端,大大提高了网络的利用率。 Since the bitmap information when building, excluding the time slot already assigned to another mobile station corresponding to a current slot, such that the bitmap information can be newly constructed with limited number of idle slot information indicating a wider range of information, thereby overcoming the the prior art due to the coverage of the bitmap information can not fully utilize the limited cause disadvantages idle time slots over the entire time domain, greatly improving the utilization of the network.

[0060] 尽管本发明的实施方案已公开如上,但其并不仅仅限于说明书和实施方式中所列运用,它完全可以被适用于各种适合本发明的领域,对于熟悉本领域的人员而言,可容易地实现另外的修改,因此在不背离权利要求及等同范围所限定的一般概念下,本发明并不限于特定的细节和这里示出与描述的图例。 [0060] While the embodiments of the present invention have been disclosed above, but its use is not limited to the description set forth and described embodiments, which can be applied to various fields suitable for the present invention, for the person skilled in the art , can be easily realized a further modification, thus without departing from the generic concept claims and equivalents as defined by the scope of the present invention is not limited to the specific details shown and described herein with legend.

Claims (12)

  1. 一种GPRS系统中下行资源动态分配的系统,包括移动台及对应的无线网络,所述无线网络包括基站、基站控制台以及核心网,其特征在于:所述核心网中还设置有位图信息重构模块;所述位图信息重构模块根据由所述核心网确定的整个时域上的时隙分配状态,构建当前时隙对应的位图信息,其中,所述位图信息中包含当前时隙后设定时隙范围内的空闲时隙信息、和/或分配给其他移动台的时隙信息,并且所述位图信息中不包含已经分配给与当前时隙对应的移动台的时隙信息;所述核心网根据所述位图信息重构模块构建的位图信息分配后续空闲时隙。 Downlink system on GPRS system dynamically allocated resources, including the mobile station and the corresponding wireless network, the wireless network including a base station, BSC, and a core network, wherein: the core network further provided with a bit map information Reconstruction module; reconstruction module the bitmap information according to the allocation state of the whole time slot on the time domain is determined by the core network, construct the current bitmap information corresponding to the slot, wherein the bitmap information includes the current after setting the idle time slot of slots within the slot information, and / or other mobile station assigned to slot information and the bitmap information is not contained in the current time slot has been allocated to the corresponding mobile station gap information; bitmap core network constructed according to the bitmap information to the information distribution module reconstruct subsequent idle slots.
  2. 2. 如权利要求1所述的下行资源动态分配的系统,其特征在于,所述核心网根据其记录确定整个时域上各时隙的分配状态。 2. The system allocates downlink resources according to claim 1, wherein the core network determines the allocation status of each slot over the entire time domain according to its record.
  3. 3. 如权利要求1或2所述的下行资源动态分配的系统,其特征在于,所述时隙分配状态包括时隙为空闲状态,或时隙已经分配给当前时隙对应的移动台,或时隙已经分配给其他移动台。 Downlink resources as claimed in claim 12 or assigned dynamically, characterized in that said slot includes a timeslot assignment state to the idle state, or the current time slot has been assigned to the mobile station corresponding to the slot, or time slot already assigned to another mobile station.
  4. 4. 如权利要求1所述的下行资源动态分配的系统,其特征在于,若当前时隙后的各时隙均处于空闲状态,则构建的位图信息中包含当前时隙后的设定时隙范围的空闲时隙信息。 4. The system allocates downlink resources according to claim 1, wherein, if the current time-slot of each slot in the idle state, the construction set bitmap information includes the current slot idle slot information gap range.
  5. 5. 如权利要求1所述的下行资源动态分配的系统,其特征在于,若当前时隙后的各时隙均分配给其他移动台,则构建的位图信息中包含当前时隙后的设定时隙范围的分配给其他移动台的时隙信息。 5. The system of dynamically allocating downlink resources according to claim 1, wherein, if the current time-slot of each time slot allocated to the other mobile stations, the construction set bitmap information includes the current slot allocation of slots given to other mobile stations in the slot information.
  6. 6 如权利要求1所述的下行资源动态分配的系统,其特征在于,若当前时隙后同时存在空闲时隙和分配给其他移动台的时隙,则构建的位图信息中包含设定时隙范围的空闲时隙信息和分配给其他移动台的时隙信息。 6 The system allocates downlink resources according to claim 1, characterized in that, if there is idle time slot and the time slot currently assigned to the same time slot of other mobile stations, the construction set bitmap information includes idle slot assignment information and timeslot information gap range to other mobile stations.
  7. 7. —种GPRS系统中下行资源动态分配的方法,其特征在于,步骤包括:步骤一,网络侧确定整个时域上的时隙分配状态;步骤二,所述网络侧根据所述时隙分配状态,构建当前时隙对应的位图信息,其中,所述位图信息中包含当前时隙后设定时隙范围内的空闲时隙信息、和/或分配给其他移动台的时隙信息,并且所述位图信息中不包含已经分配给与当前时隙对应的移动台的时隙信息;步骤三,所述网络侧根据所述位图信息分配后续空闲时隙。 7. - Method species downlink GPRS system dynamic allocation of resources, characterized in that, the step comprising: a step, the network side determines slot allocation state over the entire time domain; step two, according to the network side of the dispensing slot state, constructed bitmap information corresponding to the current slot, wherein the bitmap information includes information about the idle time slot within the set of slots after the current time slot, and / or other mobile stations assigned to the slot information, and the bitmap information does not include information that has been allocated to the time slot corresponding to current time slot the mobile station; step three, the follow-up idle time slots allocated by the network according to the bitmap information.
  8. 8. 如权利要求7所述的下行资源动态分配的方法,其特征在于,所述步骤一中,网络侧根据其记录确定整个时域上各时隙的分配状态。 8. The method of dynamically allocating downlink resources according to claim 7, wherein said step a, the network side determines the allocation status of each time slot over the entire time domain according to its record.
  9. 9. 如权利要求7或8所述的下行资源动态分配的方法,其特征在于,所述时隙分配状态包括时隙为空闲状态,或时隙已经分配给当前时隙对应的移动台,或时隙已经分配给其他移动台。 9. The downlink resource 7 or 8 dynamic allocation method as claimed in claim, wherein said slot includes a timeslot assignment state to the idle state, or the current time slot has been assigned to the mobile station corresponding to the slot, or time slot already assigned to another mobile station.
  10. 10. 如权利要求7所述的下行资源动态分配的方法,其特征在于,所述步骤二中,若当前时隙后的各时隙均处于空闲状态,则构建的位图信息中包含当前时隙后的设定时隙范围的空闲时隙信息。 10. The method of dynamically allocating downlink resources according to claim 7, wherein said step two, bitmap information if the current time-slot of each slot in the idle state, the current time is included in the construct idle slot information of slots set after the gap.
  11. 11. 如权利要求7所述的下行资源动态分配的方法,其特征在于,所述步骤二中,若当前时隙后的各时隙均分配给其他移动台,则构建的位图信息中包含当前时隙后的设定时隙范围的分配给其他移动台的时隙信息。 11. The method of dynamically allocating downlink resources according to claim 7, wherein said step II, if the current slot of each slot is assigned to another mobile station, the construction information includes bitmap the current set of slots allocated time slots to the time slot information of other mobile stations.
  12. 12.如权利要求7所述的下行资源动态分配的方法,其特征在于,所述步骤二中,若当前时隙后同时存在空闲时隙和分配给其他移动台的时隙,则构建的位图信息中包含设定时隙范围的空闲时隙信息和分配给其他移动台的时隙信息。 12. The method according to downlink resource dynamically allocated claim 7, wherein said step two, if there is a free time slot and the time slot currently assigned to the same time slot of other mobile stations, the construction site FIG idle slot information and the allocation information includes a set of slots to the time slot information of other mobile stations.
CN 200610153831 2006-09-13 2006-09-13 A downlink resource dynamic allocation system and method in GPRS system CN101146344B (en)

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CN1219306A (en) 1997-02-21 1999-06-09 摩托罗拉公司 Method and apparatus for allocating spectral resources in a wireless communication system
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