WO2011047566A1 - 动态系统信息块的处理方法和装置 - Google Patents

动态系统信息块的处理方法和装置 Download PDF

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Publication number
WO2011047566A1
WO2011047566A1 PCT/CN2010/075317 CN2010075317W WO2011047566A1 WO 2011047566 A1 WO2011047566 A1 WO 2011047566A1 CN 2010075317 W CN2010075317 W CN 2010075317W WO 2011047566 A1 WO2011047566 A1 WO 2011047566A1
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Prior art keywords
sib
dynamic
dynamic sib
received
terminal
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PCT/CN2010/075317
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English (en)
French (fr)
Inventor
沈荣荣
刘丹
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中兴通讯股份有限公司
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Priority to EP10824407.0A priority Critical patent/EP2493223A4/en
Publication of WO2011047566A1 publication Critical patent/WO2011047566A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of communications, and in particular to a method and apparatus for processing a dynamic system information block.
  • a user equipment User Equipment, UE for short
  • UE User Equipment
  • the system information is Radio Resource Control (referred to as UMTS Terrestrial Radio Access Network, UTRAN, UMTS is short for Universal Mobile Telecommunications System).
  • RRC Radio Resource Control
  • the system information block is divided into three types: Master Information Block (MIB), Scheduling Block (SB) and System Information Block (SIB). Type, organized according to ⁇ " structure. MIB is used to schedule information for a certain number of SIBs or SBs (up to 2 SBs), SB is used to carry scheduling information of other SIBs, and SIB is used to contain actual system information. The scheduling information is carried by the MIB or the SB. When the MIB scheduling resources are insufficient, the SB is used to schedule the SIB, and the scheduling information can only exist in the MIB and the SB. Different system information blocks have different characteristics, for example, a repetition period, The effective area, and in what state is valid, etc.
  • MIB Master Information Block
  • SB Scheduling Block
  • SIB System Information Block
  • a certain type of SIB consists of a similar information element (Information Element, IE for short).
  • IE Information Element
  • SIBs containing static parameters are marked with values (va
  • the lue tag is an identifier.
  • the value tag is part of the scheduling information and is included in the MIB or SB.
  • the UE compares the value tag of a certain type of SIB with the tag of the same type that was read last time. If the value changes, the UE will Re-read the SIB.
  • the channel referred to as P-CCPCH, which belongs to the physical channel, can read the MIB content and know whether it needs to update (or store) the system information. Therefore, for the SIB including static parameters, the UE monitors the MIB. , you can see if these SIBs have been updated.
  • the validity of the SIB (SIB7, SIB 14, SIB 17) containing the dynamic parameters is controlled by the timer timeout. When the timer expires, the system information becomes invalid and needs to be re-received.
  • the 25.331 protocol in the 3rd Generation Partnership Project (3GPP) specifies the timer duration of these system information blocks, usually between a few hundred milliseconds and tens of seconds. Since the dynamic SIB changes frequently, it is very resource-intensive if it is re-read every time the timeout expires. For the related art, since the SIB including dynamic parameters changes frequently, the UE requests to read.
  • the main object of the present invention is to provide a dynamic system information block. Handle the program to solve at least one of the above problems.
  • a processing method of a dynamic system information block SIB is provided.
  • the processing method of the dynamic system information block SIB includes: after the terminal receives the dynamic SIB, if the dynamic SIB is not saved locally, the terminal saves the dynamic SIB to the local, and starts the validity timer of the dynamic SIB; If the dynamic SIB is the same as that of the received dynamic SIB, the terminal deletes the locally saved dynamic SIB, closes the validity timer of the original locally saved dynamic SIB, and saves the received dynamic SIB to the local, and saves the save.
  • the validity timer of the received dynamic SIB after being local.
  • a processing apparatus of a dynamic system information block SIB is also provided.
  • the processing device of the dynamic system information block SIB includes: a comparison module, configured to compare whether the locally stored dynamic SIB is the same as the received dynamic SIB after the terminal receives the dynamic SIB; Save the received dynamic SIB to the local; delete the module, use If the comparison module determines that the dynamic SIB that is the same as the received dynamic SIB is saved locally, the locally saved dynamic SIB is deleted; and the timer control module is configured to determine, in the comparison module, that the received dynamic SIB is not saved locally.
  • the validity timer of the received dynamic SIB is saved after being saved to the local; the timer control module is further configured to: when the comparison module determines that the dynamic SIB that is the same as the received dynamic SIB is saved locally, the original locality is closed.
  • the validity timer of the saved dynamic SIB re-opens the validity timer of the received dynamic SIB after saving to the local.
  • FIG. 1 is a flowchart of a method for processing a dynamic system information block according to an embodiment of the present invention
  • FIG. 2 is a flowchart of dynamic system information block reception and update according to an embodiment of the present invention
  • FIG. 4 is a block diagram showing a preferred configuration of a processing device for a dynamic system information block according to an embodiment of the present invention.
  • the steps shown in the flowchart of the accompanying drawings may be performed in a computer system such as a set of computer executable instructions, and although the logical order is shown in the flowchart, In some cases, the steps shown or described may be performed in a different order than that.
  • the following embodiments may be applied to, but not limited to, Time Division-Synchronous Code Division Multiple Access (TD-SCDMA) system and Wideband Code Division Multiple Access (WB).
  • TD-SCDMA Time Division-Synchronous Code Division Multiple Access
  • WB Wideband Code Division Multiple Access
  • the first embodiment of the present invention provides a method for processing a dynamic system information block in consideration of the problem that the number of times the UE requests to read the SIB in the BCH transmission channel increases and consumes the UE resources due to frequent dynamic SIB changes.
  • step S102 terminal Received a dynamic SIB. If the dynamic SIB is not saved locally, step S104 is performed; if the same dynamic SIB as the received dynamic SIB is locally saved, step S106 and step S108 are performed. Step S104: If the dynamic SIB is not saved locally, the terminal saves the dynamic SIB to the local, and starts the validity timer of the dynamic SIB. Step S106: If the dynamic SIB that is the same as the received dynamic SIB is saved locally, the terminal deletes the locally saved dynamic SIB, and closes the validity timer of the original locally saved dynamic SIB.
  • Step S108 Save the received dynamic SIB to the local, and enable the validity timer of the received dynamic SIB after saving to the local.
  • the dynamic SIB coverage receiving method and the centralized update mode are adopted, which reduces the number of dynamic SIB updates, thereby reducing the overhead of frequently reading the BCH transmission channel of the UE. In turn, the power consumption of the UE is reduced.
  • the terminal fails to obtain the content of a certain dynamic SIB from the local, the terminal needs to re-receive the dynamic SIB.
  • the terminal deletes the dynamic SIB of the validity timer timeout, and sets the value of the re-receive flag of the dynamic SIB with the validity timer timeout being valid, where The value of the re-receive flag is valid, indicating that the dynamic SIB has expired, and the terminal needs to re-receive the dynamic SIB with the validity timer timeout;
  • the value of the re-receive flag of the dynamic SIB is invalid.
  • the value of the re-receive flag is invalid, indicating that the validity timer of the dynamic SIB has not expired, and the dynamic SIB is valid.
  • the terminal saves the received dynamic SIB to the local, and starts receiving after saving to the local. If the value of the dynamic SIB received by the terminal is invalid, the terminal deletes the locally saved dynamic SIB, and closes the validity timer of the original locally saved dynamic SIB, and The dynamic SIB whose value of the received re-receive flag is invalid is saved to the local, and the validity of the received re-receive flag after saving to the local is restarted.
  • the terminal when the terminal requests to read the broadcast transmission channel, the terminal will re-receive all dynamic SIBs in the broadcast transmission channel as valid objects that need to be re-received.
  • the terminal requests to read the broadcast transmission channel when at least one of the following conditions: the terminal needs to read the content of one dynamic SIB in the locally saved dynamic SIB, and the validity timer of a dynamic SIB in the locally saved dynamic SIB is currently In the timeout state, the terminal fails to obtain the locally saved dynamic SIB content, performs the system information update of the SIB with the value marked in the serving cell, periodically attempts to receive the system information block that is not collected in the serving cell, and the monthly service cell value tag The validity timer of the SIB expires.
  • Embodiment 2 when the UE performs cell selection and reselection, the system information of the target cell broadcasted on the Broadcast Control Channel (BCCH, which belongs to the logical channel) is first read. Judging the system information, deciding whether to camp on the cell. If the target cell is a suitable cell, the UE will camp on the cell, and the cell is the serving cell of the UE.
  • BCCH Broadcast Control Channel
  • the dynamic SIB is not received before the scheduling information is received; After the scheduling information has been received, the dynamic SIB is started to be received. After receiving, the dynamic SIB starts a validity timer, wherein the duration of the timer is specified by the 3GPP 25.331 ten. If the received dynamic SIB is the same as the original dynamic SIB, the dynamic SIB received is overwritten, the original timer is closed, and a new validity timer is restarted. This extends the effective time of the dynamic SIB.
  • the dynamic SIB validity timer If the timeout expires, the dynamic SIB after the timeout expires, and the content of the dynamic SIB is deleted, and the value of the re-received flag bit of the dynamic SIB is valid.
  • the dynamic SIB content fails to be obtained, the dynamic SIB is re-received.
  • the UE camps on the serving cell, each time the system information is received through the BCH transmission channel, if the re-received flag bit of the dynamic SIB is found to be valid, the dynamic SIB is received, and after being received, it is saved locally and a validity is enabled. Timer.
  • the protocol specifies that in the CELL_FACH state (which refers to the state in which the UE completes a small amount of data transmission without assigning a dedicated channel and transmitting messages on the common channel), the frequency division duplex (FDD) mode of the SIB7 timeout And in the CELL_FACH or CELL DCH state (the state in which the UE uses the dedicated channel for the communication process), the SIB 14 of the Time Division Duplex (TDD) mode times out and needs to be updated immediately.
  • CELL_FACH state which refers to the state in which the UE completes a small amount of data transmission without assigning a dedicated channel and transmitting messages on the common channel
  • FDD frequency division duplex
  • the SIB 14 of the Time Division Duplex (TDD) mode times out and needs to be updated immediately.
  • Step 201 When cell selection and reselection, receive dynamic SIB of the cell. If the same dynamic SIB is received later, the previously received dynamic SIB is overwritten and the timer is started.
  • the UE may receive multiple times for the same dynamic SIB from the UE receiving system information on the BCH transmission channel to camp on the cell and stopping receiving system information. If a certain type of dynamic SIB is received for the first time, the UE will save it first, and then start a validity timer. If the same dynamic SIB is received afterwards, the UE clears the original dynamic SIB and saves the new received.
  • the dynamic SIB closes the original validity timer, and re-opens a new validity timer. It should be noted that, when the terminal saves the dynamic SIB to the local state, the value of the re-receive flag bit of the dynamic SIB is invalid, and the value of the re-receive flag bit is invalid, indicating that the validity timer of the dynamic SIB does not time out, the dynamic SIB is valid.
  • the UE receives the save processing of a dynamic SIB in two cases: One is that the dynamic SIB does not exist in the UE (that is, the dynamic SIB has expired or the dynamic SIB has never been received), and the dynamic SIB is directly saved. And the validity timer is enabled.
  • Step 202 After the cell is camped on, if the valid timer of the dynamic SIB expires, the content of the dynamic SIB is cleared, and the value of the re-receive flag bit of the dynamic SIB is valid.
  • the UE sets an auxiliary variable for re-receiving the flag bit for each dynamic SIB, that is, each dynamic SIB has a re-receiving flag bit corresponding thereto, and its function is: when the UE requests to read the BCH transmission channel, when the dynamic SIB The re-receive flag is valid, indicating that the dynamic SIB has expired, and the UE needs to re-receive the dynamic SIB.
  • Step 203 When the serving cell requests to read the BCH transmission channel, all the dynamic SIBs that have received the re-receive flag are valid as the receiving object.
  • the UE When the UE needs to use a dynamic SIB, and the effective timer of the dynamic SIB is currently in a timeout state, the UE requests to read the dynamic SIB on the BCH transmission channel.
  • the terminal fails to obtain the locally stored dynamic SIB content, and the system information of the SIB with the value of the serving cell is updated, periodically attempts to receive the system information block that is not collected by the serving cell, and the validity of the SIB with the value tag. Timeouts, etc., cause the UE to request to read the BCH transport channel.
  • the UE When requesting to read the BCH transport channel, the UE will simultaneously send all the dynamic SIBs whose value of the re-received flag is valid as the SIB to be received to the physical layer.
  • the UE may request to read all dynamic SIBs (including valid dynamic SIBs, that is, dynamic SIBs whose effective timers have not timed out), in addition to the UE reading the required SIBs.
  • the UE can release the BCH transmission channel after all the dynamic SIBs that are re-received are valid. If the dynamic SIB that is invalid for receiving the re-received flag is received, the dynamic SIB saved locally is overwritten, and the original validity timer is closed, and a new validity timer of the dynamic SIB is re-enabled; otherwise, the UE determines whether When the BCH transport channel needs to be released, the BCH transport channel is directly released.
  • Step 204 Receive a dynamic SIB on the BCH transmission channel. If the re-receive flag is valid, receive it and start a validity timer. If the re-receive flag is invalid, the existing dynamic SIB is overwritten, and the original valid is closed. The timer, restarts the new validity timer. In the process of receiving the system information on the BCH transport channel, if the dynamic SIB that has been saved by the UE and the validity timer has not expired is received, the UE will overwrite the existing dynamic SIB and close the original validity timer. A new validity timer is started for the dynamic SIB. It should be noted that the BCH is a transport channel between the MAC layer and the physical layer in the UE.
  • the read BCH transport channel is completed by the UE itself, and does not need to interact with the network, and the physical layer receives the "adjusted frequency". system message.
  • the network broadcast system information people use the radio to listen to the radio, by adjusting the radio to a certain frequency, to receive broadcast system information.
  • the third embodiment of the present invention provides a processing device for a dynamic system information block (SIB), which is used to implement the first embodiment and the second embodiment.
  • SIB dynamic system information block
  • FIG. 3 is a structural block diagram of a processing device for a dynamic system information block according to an embodiment of the present invention. As shown in FIG. 3, the module includes: a comparison module 32, a saving module 34.
  • the deletion module 36, the timer control module 38, will be described in detail below.
  • the comparing module 32 is configured to compare whether the locally stored dynamic SIB is the same as the received dynamic SIB after the terminal receives the dynamic SIB;
  • the saving module 34 is connected to the comparing module 32, and configured to save the received dynamic SIB to the local;
  • the deletion module 36 is connected to the comparison module 32 for deleting the locally saved dynamic SIB if the comparison module 32 determines that the same dynamic SIB as the received dynamic SIB is locally saved;
  • the timer control module 38 is connected to the comparison module 32.
  • the timer control module 38 is further configured to determine at the comparing module 32.
  • the validity timer of the dynamic SIB saved in the local state is closed, and the validity timer of the received dynamic SIB after being saved to the local is restarted.
  • 4 is a block diagram showing a preferred structure of a processing device for a dynamic system information block according to an embodiment of the present invention. As shown in FIG. 4, the device further includes: a setting module 42, which will be described in detail below.
  • the deleting module 36 is further configured to delete the dynamic SIB of the validity timer timeout;
  • the setting module 42 is connected to the timer control module 38 and the saving module 34, and the value of the re-receiving flag bit of the dynamic SIB for setting the validity timer timeout is set. If the value of the re-received flag is valid, it indicates that the dynamic SIB has expired, and the terminal needs to re-receive the dynamic SIB with the validity timer timeout.
  • the setting module 42 is further configured to save the dynamic SIB to the local in the saving module 34.
  • the apparatus further includes: the determining module 44 is connected to the comparing module 32, and configured to determine, after the terminal receives the dynamic SIB, whether the value of the locally saved re-receive flag bit of the received dynamic SIB is The saving module 34 is further configured to: when the received value of the re-receive flag of the dynamic SIB is valid, save the received dynamic SIB to the local, and the timer control module 38 is further used to enable saving.
  • the validity timer of the received dynamic SIB after the local access is further configured to delete the locally saved dynamic SIB if the value of the received re-receive flag of the dynamic SIB is invalid, and the timer control
  • the module 38 is further configured to close the validity timer of the original locally saved dynamic SIB, and the saving module 34 is further configured to save the received dynamic SIB whose value of the re-receive flag bit is invalid to the local, and the timer control module 38 It is also used to enable the validity of the received re-receive flag bit after saving to the local to be invalid.
  • the timer control module 38 It is also used to enable the validity of the received re-receive flag bit after saving to the local to be invalid.
  • the apparatus further includes: the updating module 46 is connected to the setting module 42, and the module is configured to: when the terminal requests to read the broadcast transmission channel, the terminal re-receives the flag bit in the broadcast transmission channel to be valid.
  • the dynamic SIB acts as an object that needs to be re-received.
  • the terminal requests to read the broadcast transmission channel in at least one of the following situations: the terminal needs to read the content of one dynamic SIB in the locally stored dynamic SIB, and the validity timer of a dynamic SIB in the locally stored dynamic SIB is currently in the The timeout status, the failure of the terminal to obtain the locally saved dynamic SIB content, the system information update of the SIB with the value of the service cell marked with the apology, the terminal periodically attempting to receive the system information block that is not collected by the serving cell, and the monthly service cell where the terminal is located The validity timer of the value tag SIB expires.
  • the cost of the UE resources is reduced, and the dynamic SIB is ensured, so that the UE communicates with the network normally.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device, or they may be separately fabricated into individual integrated circuit modules, or they may be Multiple modules or steps are made into a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modification, equivalent substitution, improvement, etc. made within the "God and Principles" of the present invention shall be included in the protection of the present invention. Within the scope.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
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Description

动态系统信息块的处理方法和装置 技术领域 本发明涉及通信领域， 具体而言， 涉及一种动态系统信息块的处理方法 和装置。 背景技术 用户终端 （ User Equipment , 简称为 UE )在接入网络前， 首先要获取网 络广播的系统信息， 以便了解网络的配置情况， 从而釆取适当的方式发起业 务。 系统信息是由通用移动通信系统陆地接入网 （UMTS Terrestrial Radio Access Network,简称为 UTRAN,其中， UMTS为通用移动通信系统 Universal Mobile Telecommunications System 的简称） 中的无线资源管理 （ Radio Resource Control , 简称为 RRC )在小区范围内广播给所有 UE的， 其目的是 为了通知 UE网络接入层和非接入层的公共信息。 系统信息块才艮据其逻辑功能分为主系统信息块 （ Master Information Block, 简称为 MIB )、 调度块 （ Scheduling Block, 简称为 SB ) 和系统信息 块 （ System Information Block, 简称为 SIB ) 三种类型， 按照^"形结构组织。 其中， MIB用来 7 载一定数目 SIB或 SB (最多 2个 SB ) 的调度信息， SB 用来承载其他 SIB的调度信息， SIB用于包含实际系统信息。 SIB的调度信 息是通过 MIB或 SB承载的， 当 MIB调度资源不够用时釆用 SB调度 SIB, 并且调度信息只能存在于 MIB和 SB中。 不同的系统信息块有不同的特征， 例如， 重复周期、 有效区域， 以及在 什么状态下有效等。某一类型的 SIB由性质相近的系统信息单元（ Information Element, 简称为 IE ) 组成。 包含动态参数 （即， 变化频繁的系统参数） 的 IE和包含静态参数 (即， 变化艮少或不变的系统参数） 的 IE 由不同的 SIB 承载。 包含静态参数的 SIB以值标记 （value tag ) 为标识符。 值标记是调度 信息的一部分， 包含在 MIB或 SB中。 UE将某类型 SIB的值标记与最近一 次读取的同类型值标记进行比较， 若值发生改变， UE将重新读取该 SIB。 由 于 BCH 是映射在主公共控制信道 （ Primary Common Control Physical Channel, 简称为 P-CCPCH, 属于物理信道） 上的， 小区内的 UE可以通过 读取 MIB内容， 知道是否需要更新（或者存储） 系统信息， 因此， 对于包含 静态参数的 SIB, UE通过监视 MIB, 便可以了解这些 SIB是否发生了更新。 包含动态参数的 SIB ( SIB7、 SIB 14, SIB 17 ) 的有效性是釆用定时器超 时的方式来控制的， 当定时器超时后， 系统信息变为无效， 需要重新接收。 第三代合作伙伴计划 （ 3rd Generation Partnership Project, 简称为 3GPP ) 中 的 25.331协议对这些系统信息块的定时器时长进行了规定，通常是几百毫秒 到几十秒之间。 由于动态 SIB变化频繁， 如果在每个超时时间到来时， 都重 新读取一次的话， 是非常耗费资源的。 针对相关技术中由于包含动态参数的 SIB变化频繁， 导致 UE请求读取
BCH传输信道中的 SIB的次数增加、 耗费 UE资源的问题， 目前尚未提出有 效的解决方案。 发明内容 针对由于动态 SIB 变化频繁导致 UE请求读取 BCH传输信道中的 SIB 的次数增加、 耗费 UE资源的问题而提出本发明， 为此， 本发明的主要目的 在于提供一种动态系统信息块的处理方案， 以解决上述问题至少之一。 为了实现上述目的， 根据本发明的一个方面， 提供了一种动态系统信息 块 SIB的处理方法。 才艮据本发明的动态系统信息块 SIB的处理方法包括： 在终端接收到动态 SIB之后， 如果本地没有保存动态 SIB, 则终端将动态 SIB保存到本地， 并 开启动态 SIB的有效性定时器； 如果本地保存有与接收到的动态 SIB相同的 动态 SIB, 则终端删除本地保存的动态 SIB, 关闭原本地保存的动态 SIB的 有效性定时器， 并将接收到的动态 SIB保存到本地， 开启保存到本地后的接 收到的动态 SIB的有效性定时器。 为了实现上述目的， 才艮据本发明的另一方面， 还提供了一种动态系统信 息块 SIB的处理装置。 才艮据本发明的动态系统信息块 SIB的处理装置， 包括： 比较模块， 用于 在终端接收到动态 SIB之后， 比较本地保存的动态 SIB是否与接收到的动态 SIB相同； 保存模块， 用于将接收到的动态 SIB保存到本地； 删除模块， 用 于在比较模块确定本地保存有与接收到的动态 SIB 相同的动态 SIB 的情况 下， 删除本地保存的动态 SIB; 定时器控制模块， 用于在比较模块确定本地 没有保存接收到的动态 SIB 的情况下， 开启保存到本地后的接收到的动态 SIB 的有效性定时器； 定时器控制模块还用于在比较模块确定本地保存有与 接收到的动态 SIB相同的动态 SIB的情况下， 关闭原本地保存的动态 SIB的 有效性定时器，重新开启保存到本地后的接收到的动态 SIB的有效性定时器。 通过本发明的上述技术方案， 釆用了在终端接收到动态 SIB之后， 如果 本地没有保存动态 SIB, 则终端将动态 SIB保存到本地， 并开启动态 SIB的 有效性定时器； 如果本地保存有与接收到的动态 SIB相同的动态 SIB , 则终 端删除本地保存的动态 SIB , 关闭原本地保存的动态 SIB的有效性定时器， 并将接收到的动态 SIB保存到本地， 开启保存到本地后的接收到的动态 SIB 的有效性定时器减少了动态 SIB的更新次数， 进而降氏了 UE的频繁读 BCH 传输信道的开销， 降低了 UE的功耗。 附图说明 此处所说明的附图用来提供对本发明的进一步理解， 构成本申请的一部 分， 本发明的示意性实施例及其说明用于解释本发明， 并不构成对本发明的 不当限定。 在附图中： 图 1是才艮据本发明实施例的动态系统信息块的处理方法的流程图； 图 2是根据本发明实施例的动态系统信息块接收和更新的流程图； 图 3是 居本发明实施例的动态系统信息块的处理装置的结构框图； 图 4 是 居本发明实施例的动态系统信息块的处理装置的优选结构框 图。 具体实施方式 需要说明的是， 在不冲突的情况下， 本申请中的实施例及实施例中的特 征可以相互组合。 下面将参考附图并结合实施例来详细说明本发明。 在以下实施例中， 在附图的流程图示出的步 4聚可以在诸如一组计算机可 执行指令的计算机系统中执行， 并且， 虽然在流程图中示出了逻辑顺序， 但 是在某些情况下， 可以以不同于此处的顺序执行所示出或描述的步骤。 以下实施例可以应用但不限于时分 -同步码分多址接入 ( Time Division-Synchronous Code Division Multiple Access, 简称为 TD-SCDMA )系 统、 宽带码分多址接入 ( Wideband Code Division Multiple Access, 简称为 WCDMA ) 系统。 实施例一 本实施例考虑到相关技术中由于动态 SIB 变化频繁导致 UE 请求读取 BCH传输信道中的 SIB的次数增加、 耗费 UE资源的问题， 提供了一种动态 系统信息块的处理方法。 图 1是才艮据本发明实施例的动态系统信息块的处理 方法的流程图； 如图 1所示， 该方法包括如下的步 4聚 S 102至步 4聚 S 108: 步骤 S 102, 终端接收到动态 SIB。 如果本地没有保存该动态 SIB, 则执 行步骤 S 104; 如果本地保存有与接收到的动态 SIB相同的动态 SIB , 则执行 步骤 S 106和步骤 S 108。 步骤 S 104,如果本地没有保存动态 SIB,则终端将动态 SIB保存到本地， 并开启动态 SIB的有效性定时器。 步骤 S 106 , 如果本地保存有与接收到的动态 SIB相同的动态 SIB , 则终 端删除本地保存的动态 SIB , 关闭原本地保存的动态 SIB的有效性定时器。 步骤 S 108, 将接收到的动态 SIB保存到本地， 开启保存到本地后的接收 到的动态 SIB的有效性定时器。 通过上述步骤， 根据动态系统信息变化频繁的特性， 釆用了动态 SIB覆 盖式接收方法、 集中更新的方式， 减少了动态 SIB的更新次数， 从而降氐了 UE的频繁读 BCH传输信道的开销， 进而降低了 UE的功耗。 优选地， 如果终端在从本地获取某一动态 SIB的内容时失败， 则该终端 需要重新接收该动态 SIB。 优选地， 在终端本地保存的动态 SIB的有效性定时器超时后， 终端删除 有效性定时器超时的动态 SIB , 并设置有效性定时器超时的动态 SIB的重新 接收标志位的值为有效， 其中， 重新接收标志位的值为有效表示该动态 SIB 已经失效， 终端需要重新接收有效性定时器超时的动态 SIB; 在终端将动态 SIB保存到本地时， 设置动态 SIB的重新接收标志位的值为无效， 其中， 重 新接收标志位的值为无效表示动态 SIB的有效性定时器未超时， 该动态 SIB 是有效的。 优选地， 在终端接收到动态 SIB之后， 如果接收到的动态 SIB的本地保 存的重新接收标志位的值为有效， 则终端将接收到的动态 SIB保存到本地， 并开启保存到本地后的接收到的动态 SIB的有效性定时器； 如果终端接收到 的动态 SIB的重新接收标志位的值为无效，则终端删除本地保存的动态 SIB, 关闭原本地保存的动态 SIB的有效性定时器， 并将接收到的重新接收标志位 的值为无效的动态 SIB保存到本地， 重新开启保存到本地后的接收到的重新 接收标志位的值为无效的动态 SIB的有效性定时器。 优选地， 当终端请求读广播传输信道时， 终端将广播传输信道中重新接 收标志位为有效的所有动态 SIB作为需要重新接收的对象。 具体地， 终端在 以下情况至少之一时请求读广播传输信道： 终端需要读取本地保存的动态 SIB中的一个动态 SIB的内容， 而本地保存的动态 SIB中的一个动态 SIB的 有效性定时器当前处于超时状态、 终端获取本地保存的动态 SIB内容失败、 做所在服务小区带值标记的 SIB的系统信息更新、 周期性尝试接收所在服务 小区未收齐的系统信息块、 所在月艮务小区值标记 SIB的有效性定时器超时。 需要说明的是， 以下实施例综合了实施例一中的优选实施方案。 实施例二 在本实施例中， 当 UE在进行小区选择和重选时， 会先读取目标小区在 广播控制信道 （ Broadcast Control Channel, 简称为 BCCH, 属于逻辑信道 ) 上广播的系统信息， 通过对系统信息的判断， 决定是否驻留到该小区。 如果 目标小区是合适小区， UE会驻留到该小区， 则该小区为 UE的服务小区。 在接收某小区系统信息的整个过程中， 由于动态 SIB的有效时间与调度 信息中的 SIB_REP (指 SIB的广播重复周期）相关， 所以， 在收到调度信息 前， 不接收动态 SIB; 如果动态 SIB的调度信息已经收到， 那么就开始接收 动态 SIB, 收到后， 动态 SIB开启一个有效性定时器， 其中， 定时器的时长 由 3GPP 25.331十办议规定。 如果收到动态 SIB与原来收到的动态 SIB相同， 则覆盖原来收到的动态 SIB, 关闭原来的定时器， 重新开启一个新的有效性 定时器， 这样， 延长了动态 SIB的有效时间。 如果动态 SIB的有效性定时器 超时， 则超时后的动态 SIB失效， 删除该动态 SIB的内容， 置该动态 SIB的 重新接收的标志位的值为有效。 当 UE需要使用动态 SIB的内容时， 如果获 取动态 SIB内容失败， 则重新接收该动态 SIB。 当 UE驻留在服务小区后， 每次通过 BCH传输信道接收系统信息时， 如 果发现动态 SIB的重新接收的标志位有效， 则接收该动态 SIB, 收到后， 保 存到本地并开启一个有效性定时器。 例如， 当 UE在做其所在服务小区带值 标记的 SIB的系统信息更新时， 会连同需要接收标志位为有效的动态 SIB— 起更新。 特殊的， 协议规定， 在 CELL_FACH状态（是指 UE完成少量数据传送， 无需分配专用信道， 在公共信道上传递消息的状态）， 频分双工 （Frequency Division Duplex, 简称为 FDD ) 方式的 SIB7超时， 以及在 CELL_FACH或 CELL DCH状态 （是指 UE利用专用信道进行通信过程的状态）， 时分双工 ( Time Division Duplex, 简称为 TDD ) 方式的 SIB 14超时， 需要立即更新。 图 2是根据本发明实施例的动态系统信息块接收和更新的流程图， 如图 2所示， 该流程包括如下步 4聚： 步骤 201 : 小区选择和重选时， 接收该小区的动态 SIB, 如果之后又收 到相同的动态 SIB, 则覆盖先前收到的动态 SIB, 开启定时器。 在小区选择和重选的过程中，从 UE在 BCH传输信道上接收系统信息到 驻留该小区并停止接收系统信息为止， 对于同一个动态 SIB, UE可能会接收 到多次。 如果第一次收到某一类动态 SIB, UE会先将其保存， 然后开启一个 有效性定时器；如果在之后又收到相同的动态 SIB, UE清除原有的动态 SIB, 保存新收到的动态 SIB , 关闭原来的有效性定时器， 重新开启一个新的有效 性定时器。 需要说明的是， 终端将动态 SIB保存到本地时， 置动态 SIB的重 新接收标志位的值为无效， 其中， 重新接收标志位的值为无效表示动态 SIB 的有效性定时器未超时， 该动态 SIB为有效。 例如， UE接收到某一动态 SIB的保存处理分两种情况： 一种是 UE中不 存在该动态 SIB (即， 动态 SIB已失效或从未接收过该动态 SIB ), 则直接保 存该动态 SIB, 并开启有效性定时器； 另一种情况是 UE 中存在该动态 SIB (即， UE已收到过该动态 SIB且该动态 SIB有效）， 则先将已存在动态 SIB 删除， 关闭其有效性定时器， 然后保存新收到的动态 SIB , 再开启有效性定 时器。 步骤 202: 在该小区驻留后， 如果动态 SIB的有效定时器超时， 则清除 该动态 SIB的内容， 置动态 SIB的重新接收标志位的值为有效。
UE为每个动态 SIB设置了一个重新接收标志位的辅助变量， 即每个动 态 SIB都有一个重新接收标志位与之对应， 其功能是： 在 UE请求读 BCH传 输信道时， 当动态 SIB的重新接收标志位有效， 说明该动态 SIB已经失效， UE需要重新接收该动态 SIB。 步骤 203 : 当服务小区请求读 BCH传输信道时， 将所有重新接收标志位 为有效的动态 SIB都作为接收对象。 当 UE需要用到某动态 SIB, 而该动态 SIB的有效定时器当前处于超时 状态， 这时 UE会请求读 BCH传输信道上的该动态 SIB。 除了上述情况外， 终端获取本地保存的动态 SIB内容失败， 服务小区带值标记的 SIB的系统信 息更新，周期性尝试接收服务小区未收齐的系统信息块，以及带值标记的 SIB 的有效性超时等， 都会促使 UE请求读 BCH传输信道。 在请求读 BCH传输 信道时， UE会同时将所有重新接收标志位的值为有效的动态 SIB作为需要 接收的 SIB, 下发给物理层。 另外， UE在某次请求读 BCH传输信道时， 除了 UE读取其需要的 SIB 夕卜， 还可以请求读所有的动态 SIB (包括有效的动态 SIB, 即， 有效定时器 未超时的动态 SIB ), 当所有重新接收标志位有效的动态 SIB的全部收到后， UE才能释放 BCH传输信道。 如果收到了重新接收标志位无效的动态 SIB, 则覆盖本地保存的该动态 SIB , 并关闭原来的有效性定时器， 重新开启该动 态 SIB的一个新的有效性定时器； 否则， UE在判断是否需要释放 BCH传输 信道时， 直接释放 BCH传输信道。 步骤 204: 收到 BCH传输信道上的动态 SIB,如果重新接收标志位有效， 则接收它， 并启动有效性定时器； 如果重新接收标志位无效， 则覆盖已有的 动态 SIB, 关闭原来的有效性定时器， 重新启动新的有效性定时器。 在接收 BCH传输信道上系统信息的过程中，如果收到了 UE本地已经保 存的且有效性定时器未超时的动态 SIB , UE会覆盖本地已有的该动态 SIB , 关闭原来的有效性定时器， 为该动态 SIB开启一个新的有效性定时器。 需要说明的是， BCH是 UE中 MAC层和物理层之间的传输信道， 读取 BCH传输信道是 UE测自身来完成的， 不需要和网络交互， 而物理层是通过 "调整频率" 来接收系统信息。 例如， 网络广播系统信息， 人们用收音机来 收听广播， 是通过将收音机调整到某个频率， 来接收广播系统信息。 实施例三 本实施例提供了一种动态系统信息块 SIB的处理装置， 该装置用于实现 上述实施例一和实施例二，在上述实施例中已经进行过的说明在此不再赘述， 下面是对该装置中的具体的模块进行的说明， 图 3是根据本发明实施例的动 态系统信息块的处理装置的结构框图； 如图 3所示， 该模块包括： 比较模块 32、 保存模块 34、 删除模块 36， 定时器控制模块 38 , 下面对此结构进行详 细的说明。 比较模块 32 , 用于在终端接收到动态 SIB 之后， 比较本地保存的动态 SIB是否与接收到的动态 SIB相同； 保存模块 34连接至比较模块 32 , 用于 将接收到的动态 SIB保存到本地； 删除模块 36连接至比较模块 32 , 用于在 比较模块 32确定本地保存有与接收到的动态 SIB相同的动态 SIB的情况下， 删除本地保存的动态 SIB; 定时器控制模块 38连接至比较模块 32 , 用于在 比较模块 32确定本地没有保存接收到的动态 SIB的情况下， 开启保存到本 地后的接收到的动态 SIB的有效性定时器； 定时器控制模块 38还用于在比 较模块 32确定本地保存有与接收到的动态 SIB相同的动态 SIB的情况下， 关闭原本地保存的动态 SIB的有效性定时器， 重新开启保存到本地后的接收 到的动态 SIB的有效性定时器。 图 4 是 居本发明实施例的动态系统信息块的处理装置优选的结构框 图， 如图 4所示， 该装置还包括： 设置模块 42 , 下面对此进行详细说明。 删除模块 36还用于删除有效性定时器超时的动态 SIB； 设置模块 42连 接至定时器控制模块 38和保存模块 34 , 用于设置有效性定时器超时的动态 SIB 的重新接收标志位的值为有效， 其中， 重新接收标识位的值为有效时表 示该动态 SIB 已经失效， 终端需要重新接收有效性定时器超时的动态 SIB; 设置模块 42还用于在保存模块 34将动态 SIB保存到本地的情况下， 设置动 态 SIB的重新接收标志位的值为无效， 其中， 重新接收标识位的值为无效时 表示本地保存的动态 SIB的有效性定时器未超时， 该动态 SIB为有效。 优选地， 如图 4所示， 该装置还包括： 判断模块 44连接至比较模块 32 , 用于在终端接收到动态 SIB之后， 判断接收到的动态 SIB的本地保存的重新 接收标志位的值是否为有效； 保存模块 34还用于在接收到的动态 SIB的重 新接收标志位的值为有效的情况下，将接收到的动态 SIB保存到本地， 并且， 定时器控制模块 38还用于开启保存到本地后的接收到的动态 SIB的有效性 定时器； 删除模块 36还用于在接收到的动态 SIB的重新接收标志位的值为 无效的情况下， 删除本地保存的动态 SIB , 定时器控制模块 38还用于关闭原 本地保存的动态 SIB的有效性定时器， 并且， 保存模块 34还用于将接收到 的重新接收标志位的值为无效的动态 SIB 保存到本地， 定时器控制模块 38 还用于开启保存到本地后的接收到的重新接收标志位的值为无效的动态 SIB 的有效性定时器。 优选地， 如图 4所示， 该装置还包括： 更新模块 46连接至设置模块 42 , 该模块用于当终端请求读广播传输信道时， 终端将广播传输信道中重新接收 标志位为有效的所有动态 SIB作为需要重新接收的对象。 其中， 终端在以下 情况至少之一时请求读广播传输信道： 终端需要读取本地保存的动态 SIB中 的一个动态 SIB的内容， 而本地保存的动态 SIB中的一个动态 SIB的有效性 定时器当前处于超时状态、 终端获取本地保存的动态 SIB内容失败、 终端歉 所在服务小区带值标记的 SIB的系统信息更新、 终端周期性尝试接收所在服 务小区未收齐的系统信息块、 终端所在月艮务小区值标记 SIB的有效性定时器 超时。 综上所述， 通过上述实施例， 减少 UE资源的耗费， 又能保证获取动态 SIB, 使 UE正常地和网络通讯。 显然， 本领域的技术人员应该明白， 上述的本发明的各模块或各步骤可 以用通用的计算装置来实现， 它们可以集中在单个的计算装置上， 或者分布 在多个计算装置所组成的网络上， 可选地， 它们可以用计算装置可执行的程 序代码来实现， 从而， 可以将它们存储在存储装置中由计算装置来执行， 或 者将它们分别制作成各个集成电路模块， 或者将它们中的多个模块或步骤制 作成单个集成电路模块来实现。 这样， 本发明不限制于任何特定的硬件和软 件结合。 以上所述仅为本发明的优选实施例而已， 并不用于限制本发明， 对于本 领域的技术人员来说， 本发明可以有各种更改和变化。 凡在本发明的 ^"神和 原则之内， 所作的任何修改、 等同替换、 改进等， 均应包含在本发明的保护 范围之内。

Claims

权 利 要 求 书
1. 一种动态系统信息块 SIB的处理方法， 其特征在于， 包括：
在终端接收到动态 SIB之后， 如果本地没有保存所述动态 SIB , 则 所述终端将所述动态 SIB保存到本地， 并开启所述动态 SIB的有效性定 时器； 如果本地保存有与接收到的动态 SIB相同的动态 SIB , 则所述终 端删除本地保存的动态 SIB , 关闭所述原本地保存的动态 SIB的有效性 定时器， 并将所述接收到的动态 SIB保存到本地， 开启保存到本地后的 所述接收到的动态 SIB的有效性定时器。
2. 居权利要求 1所述的方法， 其特征在于， 在所述终端本地保存的动态 SIB 的有效性定时器超时后， 所述终端删除所述有效性定时器超时的动 态 SIB, 并设置所述有效性定时器超时的动态 SIB的重新接收标志位的 值为有效， 其中， 所述重新接收标志位的值为有效表示所述终端需要重 新接收所述有效性定时器超时的动态 SIB。
3. 根据权利要求 2所述的方法， 其特征在于， 在所述终端接收到所述动态 SIB之后， 所述方法还包括：
如果所述接收到的动态 SIB的本地保存的重新接收标志位的值为有 效， 则所述终端将所述接收到的动态 SIB保存到本地， 并开启保存到本 地后的所述接收到的动态 SIB的有效性定时器。
4. 根据权利要求 3所述的方法， 其特征在于，
在所述终端将所述动态 SIB保存到本地时， 设置所述动态 SIB的重 新接收标志位的值为无效， 其中， 所述重新接收标志位的值为无效表示 所述动态 SIB的有效性定时器未超时；
如果所述终端接收到重新接收标志位的值为无效的动态 SIB, 则所 述终端删除本地保存的动态 SIB, 关闭所述原本地保存的动态 SIB的有 效性定时器， 并将所述接收到的重新接收标志位的值为无效的动态 SIB 保存到本地， 开启保存到本地后的所述接收到的重新接收标志位的值为 无效的动态 SIB的有效性定时器。
5. 根据权利要求 2所述的方法， 其特征在于， 当所述终端请求读广播传输 信道时， 所述终端将重新接收标志位为有效的所有动态 SIB作为需要重 新接收的对象。 根据权利要求 5所述的方法， 其特征在于， 所述终端在以下情况至少之 一时请求读广播传输信道：
所述终端需要读取本地保存的动态 SIB中的一个动态 SIB的内容， 而所述本地保存的动态 SIB中的一个动态 SIB的有效性定时器当前处于 超时状态；
所述终端进行所在服务小区带值标记的 SIB的系统信息更新； 所述终端周期性尝试接收所在服务小区未收齐的系统信息块； 所述终端所在 艮务小区值标记 SIB的有效性定时器超时。 一种动态系统信息块 SIB的处理装置， 其特征在于， 包括：
比较模块， 用于在终端接收到动态 SIB之后， 比较本地保存的动态 SIB是否与接收到的动态 SIB相同；
保存模块， 用于将所述接收到的动态 SIB保存到本地；
删除模块， 用于在所述比较模块确定本地保存有与所述接收到的动 态 SIB相同的动态 SIB的情况下， 删除所述本地保存的动态 SIB；
定时器控制模块， 用于在所述比较模块确定本地没有保存所述接收 到的动态 SIB的情况下， 开启保存到本地后的所述接收到的动态 SIB的 有效性定时器； 所述定时器控制模块还用于在所述比较模块确定本地保 存有与所述接收到的动态 SIB相同的动态 SIB的情况下， 关闭所述原本 地保存的动态 SIB的有效性定时器， 重新开启保存到本地后的所述接收 到的动态 SIB的有效性定时器。 根据权利要求 7所述的装置， 其特征在于， 所述删除模块还用于删除有 效性定时器超时的动态 SIB , 所述的装置还包括：
设置模块， 用于设置有效性定时器超时的动态 SIB的重新接收标志 位的值为有效， 其中， 所述重新接收标识位的值为有效时表示所述终端 需要重新接收所述有效性定时器超时的动态 SIB; 所述设置模块还用于 在所述保存模块将所述动态 SIB保存到本地的情况下 ,设置所述动态 SIB 的重新接收标志位的值为无效， 其中， 所述重新接收标识位的值为无效 时表示所述本地保存的动态 SIB的有效性定时器未超时。
. 根据权利要求 8所述的装置， 其特征在于， 还包括：
判断模块， 用于在所述终端接收到所述动态 SIB之后， 判断所述接 收到的动态 SIB的本地保存的重新接收标志位的值是否为有效；
所述保存模块还用于在所述接收到的动态 SIB的重新接收标志位的 值为有效的情况下， 将所述接收到的动态 SIB保存到本地， 并且， 所述 定时器控制模块还用于开启保存到本地后的所述接收到的动态 SIB的有 效性定时器；
所述删除模块还用于在所述接收到的动态 SIB的重新接收标志位的 值为无效的情况下， 删除本地保存的动态 SIB, 所述定时器控制模块还 用于关闭所述原本地保存的动态 SIB的有效性定时器， 并且， 所述保存 模块还用于将所述接收到的重新接收标志位的值为无效的动态 SIB保存 到本地， 所述定时器控制模块还用于开启保存到本地后的所述接收到的 重新接收标志位的值为无效的动态 SIB的有效性定时器。
10. 根据权利要求 8所述的装置， 其特征在于， 还包括： 更新模块， 用于当所述终端请求读广播传输信道时， 所述终端将所 述广播传输信道中重新接收标志位为有效的所有动态 SIB作为需要重新 接收的对象。
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US8787262B2 (en) 2011-07-15 2014-07-22 Qualcomm Incorporated Receiving cell broadcast (CB) messages
TWI463850B (zh) * 2011-07-15 2014-12-01 Qualcomm Inc 接收細胞服務區廣播(cb)訊息
KR101482188B1 (ko) 2011-07-15 2015-01-14 퀄컴 인코포레이티드 셀 브로드캐스트(ｃｂ) 메시지들의 수신
EP2824947A1 (en) * 2011-07-15 2015-01-14 Qualcomm Incorporated Receiving cell broadcast (CB) messages
US8953515B2 (en) 2011-07-15 2015-02-10 Qualcomm Incorporated Receiving cell broadcast (CB) messages
WO2013012742A3 (en) * 2011-07-15 2013-05-23 Qualcomm Incorporated Receiving cell broadcast (cb) messages
KR101531216B1 (ko) * 2011-07-15 2015-06-25 퀄컴 인코포레이티드 셀 브로드캐스트(ｃｂ) 메시지들의 수신
US9148872B2 (en) 2011-07-15 2015-09-29 Qualcomm Incorporated Receiving cell broadcast (CB) messages
CN110430609A (zh) * 2014-01-28 2019-11-08 华为技术有限公司 一种系统信息的调度方法及用户设备
US20170208543A1 (en) * 2014-07-09 2017-07-20 Nederlandse Organisatie Voor Toegepast- Natuurwetenschappelijk Onderzoek Tno Method Of, And Transceiver Station And Mobile Terminal For, Distributing System Information In A Cellular Telecommunications Network
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