WO2009100668A1 - 一种触发资源配置的方法、装置及系统 - Google Patents

一种触发资源配置的方法、装置及系统 Download PDF

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Publication number
WO2009100668A1
WO2009100668A1 PCT/CN2009/070308 CN2009070308W WO2009100668A1 WO 2009100668 A1 WO2009100668 A1 WO 2009100668A1 CN 2009070308 W CN2009070308 W CN 2009070308W WO 2009100668 A1 WO2009100668 A1 WO 2009100668A1
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Prior art keywords
indication
resource configuration
base station
network control
value
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PCT/CN2009/070308
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English (en)
French (fr)
Inventor
Yanyan Chen
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to US12/988,117 priority Critical patent/US8605666B2/en
Priority to ES09710164T priority patent/ES2397312T3/es
Priority to EP09710164A priority patent/EP2234434B1/en
Publication of WO2009100668A1 publication Critical patent/WO2009100668A1/zh
Priority to US13/324,836 priority patent/US8885585B2/en
Priority to US14/513,521 priority patent/US9210715B2/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/10Scheduling measurement reports ; Arrangements for measurement reports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/52Allocation or scheduling criteria for wireless resources based on load
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/21Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Definitions

  • the embodiments of the present invention relate to the field of mobile communications, and in particular, to a method, an apparatus, and a system for triggering resource configuration. Background technique
  • the user equipment in the Cell_PCH (Cell_Paging Channel) state is in the Cell_PCH state before receiving the HSDPA (High Speed Downlink Packet Access) technology.
  • the UE User Equipment
  • the UE cannot directly receive and send data.
  • the UE in the Cell_PCH state has uplink data to be transmitted, it needs to initiate a cell update procedure to enter other states.
  • the cell update process is completed and enters.
  • the UE can perform uplink data transmission after other states that allow direct uplink data transmission.
  • the UE in the Cell_PCH state can retain its resources in the Cell_FACH (Cell_Forward Access Channel) state, and the UE in the Cell_FACH state can Directly transmit the upstream data.
  • Cell_FACH Cell_Forward Access Channel
  • the amount of upstream data that needs to be sent by the user equipment in the Cell_PCH state is large.
  • the resources of the Cell_FACH that the UE currently reserves may not satisfy the bearer quality of its service.
  • the UE must be configured with the RRC (Radio Resource Control) state machine of the UE to be in the Cell_FACH state, and then trigger the network side to configure a more suitable resource for the UE to satisfy the quality of the bearer of the service. Accordingly, the network side can determine the resources required for the UE to configure its uplink data transmission. Obviously, this scheme of triggering resource configuration brings delay to the subsequent data transmission of the UE.
  • the embodiments of the present invention provide a method, a device, and a system for triggering resource configuration, so as to minimize the delay caused by data transmission to the UE while triggering resource configuration.
  • the embodiment of the present invention provides a method for triggering resource configuration, where the method includes:
  • the user equipment UE in the cell paging channel Cell_PCH state is calculating the wireless chain.
  • the measurement report message reported to the network side carries the indication information, where the indication information is used to trigger the network side to perform the UE for the UE, when the sum of the buffered data volume of the path control layer or the transport channel service traffic is greater than the set threshold value.
  • the embodiment of the present invention further provides a UE that triggers resource configuration, where the UE includes a processing module and a sending module, where
  • the processing module is configured to report to the network side that the UE is in the Cell_PCH state and calculates the sum of the buffered data volume of the radio link control layer of the UE or the traffic channel traffic of the UE is greater than the set threshold.
  • the measurement report message carries the indication information, where the indication information is used to trigger the network side to perform resource configuration for the UE, and send the measurement report message to the sending module.
  • the embodiment of the present invention further provides a system for triggering resource configuration, where the system includes a UE and a network side device, where
  • the UE is configured to perform measurement on the network side when the UE is in the Cell_PCH state and the sum of the buffered data amount of the radio link control layer of the UE is calculated or the transport channel service traffic is greater than the set threshold.
  • the message carries the indication information, where the indication information is used to trigger the network side to perform resource configuration for the UE;
  • the network side device is configured to perform resource configuration for the UE after receiving the measurement report message that includes the indication information.
  • Another embodiment of the present invention provides a method for triggering resource configuration, where the method includes:
  • the base station receives a MAC PDU (Media Access Control Packet Data Unit) sent by the UE, and the scheduling information carried by the MAC PDU includes an E-DCH (Enhanced Dedicated Channel) total buffer status.
  • E-DCH Enhanced Dedicated Channel
  • the base station acquires the value of the TEBS domain from the received scheduling information of the MAC PDU, and sends an indication to the wireless network control device when the value of the TEBS domain exceeds the set threshold, where the indication is used to trigger the wireless network control device.
  • Resource configuration is performed for the UE.
  • the embodiment of the present invention further provides another base station that triggers resource configuration, where the base station includes: a comparison module and a sending module, where
  • the comparing module is configured to obtain, by using the scheduling information carried by the MAC PDU sent by the UE, the value of the TEBS domain, and when determining that the value exceeds the set threshold, send, by the sending module, an indication to the wireless network control device.
  • the indication is used to trigger a radio network control device to perform resource configuration for the UE.
  • the embodiment of the present invention further provides another system for triggering resource configuration, where the system includes: a base station and a wireless network control device, where
  • the base station is configured to receive a MAC PDU sent by the UE, obtain a value of the TEBS field of the UE from the scheduling information of the MAC PDU, and send the value to the wireless network control device when determining that the value exceeds the set threshold
  • An indication where the indication is used to trigger a radio network control device to perform resource configuration for the UE;
  • the radio network control device is configured to allocate resources for the UE after receiving the indication reported by the base station.
  • the embodiment of the present invention calculates the sum of the buffered data amount of the radio link control layer or the transmission channel by the user equipment UE in the Cell_PCH state.
  • the measurement report message reported to the network side carries the indication information, where the indication information is used to trigger the network side to perform resource configuration for the UE. Therefore, the network side can quickly configure the resource for the UE according to the requirement of the UE. Compared with the manner of triggering the resource configuration in the prior art, the delay of the UE during data transmission is reduced.
  • the base station receives the MAC PDU sent by the UE, where the scheduling information carried by the MAC PDU includes the value of the TEBS domain, and the base station obtains the value of the TEBS domain from the received scheduling information of the MAC PDU, and the TEBS is in the TEBS.
  • the value of the domain exceeds the set threshold, an indication is sent to the wireless network control device, where the indication is used to trigger the wireless network control device to perform resource configuration for the UE. Therefore, the network side can quickly configure resources for the UE according to the requirements of the UE, and the delay of the UE during data transmission is reduced compared to the manner of configuring the trigger resource in the prior art.
  • FIG. 2 is a schematic structural diagram of a UE in the method embodiment shown in FIG. 1;
  • FIG. 3 is a schematic structural diagram of a system of the method embodiment shown in FIG. 1;
  • FIG. 5 is a schematic structural diagram of a base station according to an embodiment of the method shown in FIG. 4;
  • FIG. 6 is a schematic structural diagram of a system of the method embodiment shown in FIG. detailed description
  • the Cell_PCH UE must have the RRC state machine of the mobile station after entering the Cell_FACH state, that is, the mobile station side and the RNC (Radio Network Controller) side. After being set to the Cell_FACH state, the Cell_FACH UE sends an ordinary to the network side. A measurement message carrying a "flow measurement result".
  • the network side may initiate a related resource configuration process, where the resource may be a radio bearer resource, may be a physical layer resource, or may be a transmission channel resource.
  • the resource configuration initiated by the network side may be a radio bearer resource establishment/reconfiguration/release process, or a physical layer resource establishment/reconfiguration/release process, or a transport channel setup/reconfiguration/release process.
  • the RNC is configured to trigger the RNC to perform resource configuration.
  • a measurement report message carrying the traffic measurement result must be reported. Determine the appropriate resources for the UE to configure its upstream data transmission.
  • a special specification measurement report message is sent on the RACH (Random Access Channel), and the message is used to trigger the UE to
  • the state transition of Cell_PCH to Cell_FACH automatically includes the information "Measured Results on RACH" measured by the UE and characterizing the current downlink quality, thereby migrating the state to the Cell_FACH state.
  • the RNC forwards the information in the message to the base station, and the base station determines, according to the information, the downlink transmission power and the modulation and coding format that are subsequently sent to the UE.
  • the RNC After receiving the measurement report message of the UE on the RACH, the RNC also sets the state of the UE stored in the RNC to the CelLFACH state. That is, with the use of the RACH channel, both the UE and the RNC consider that the UE automatically transitions to the Cell_FACH state, after which the UE and the network side can use the resources in the Cell_FACH state previously configured by the RNC.
  • the present invention has been proposed in various embodiments, which are described in detail below. It should be noted that the RNC mentioned in the embodiments of the present invention is only an example, and may be other similar wireless network control devices.
  • Step 101 The UE in the Cell_PCH state calculates that the traffic channel traffic of the transmission channel is greater than the set threshold, or the sum of the buffered data volume of the radio link control layer is greater than the set threshold, and reports to the network side.
  • the measurement report message carries the indication information to indicate that the current calculation result is greater than the set threshold.
  • the indication information may also be used to identify the sum of the buffered data amounts of the radio link control layer of the UE or the transmission channel traffic volume exceeds a certain threshold. Specifically, the indication information may be referred to as "service flow indication" information.
  • the network side can use the indication information to perform reference and judgment, and determine whether to trigger resource configuration for the UE.
  • the carrying the indication information in the measurement report message may specifically be as follows: one is that the indication information is carried only when the current calculation result is greater than the set threshold value; the other is the measurement report message.
  • An indication is set in the indication. When the threshold is exceeded, the indication is true. When the threshold is not exceeded, the indication is false; or an indication information is used to indicate that the UE satisfies the 4a event (the 4a event is defined as: the UE's transmission channel) Business traffic exceeds a certain threshold).
  • Step 102 After receiving the measurement report message that includes the indication information, the network side initiates a resource configuration process to allocate resources for the UE.
  • the measurement report message including the indication information is only one of the reference conditions for the network side to decide whether to initiate the resource configuration process, and represents the demand status of the data transmission of the UE at this time.
  • the network side may decide not to initiate the resource configuration process according to factors such as resource usage in the current cell, depending on the radio resource management algorithm of the network side device.
  • the resource may be a radio bearer resource, a physical layer resource, a transport channel resource, or the like.
  • the resource configuration process may be a radio bearer resource establishment/reconfiguration/release process, and physical layer resource establishment/reconfiguration/release. Process, or transport channel setup/reconfiguration/release process.
  • the network side may allocate more radio bearer resources to the UE, or configure dedicated channel resources for the UE to meet the traffic demand of the services it carries.
  • the UE may use the resources allocated by the network side for data transmission.
  • the UE in the foregoing embodiment of the present invention includes a processing module 21 and a The module 22 is sent.
  • the processing module 21 is configured to report to the network when the UE is in the Cell_PCH state, and the traffic channel traffic of the UE is calculated, or the sum of the buffered data volume of the radio link control layer is greater than the set threshold.
  • the measurement report message of the side carries the indication information, and the measurement report message is sent by the sending module 22.
  • the indication information carried by the UE in the measurement message is specifically configured as described above, and is used to trigger the network side to perform appropriate resource configuration for the UE, and details are not described herein again.
  • the system of the above embodiment of the present invention is as shown in FIG. 3, and includes a UE 31 and a network side device.
  • the UE 31 is configured to report the traffic channel traffic of the UE 31 when the UE 31 is in the Cell_PCH state, or when the sum of the buffered data amounts of the radio link control layer is greater than the set threshold.
  • the measurement report message of the network side carries the indication information, which is used to trigger the configuration of the resource for the UE 31 by the network side.
  • the indication information may also be an indication that the UE 31 meets the trigger 4a event. .
  • the network side device 32 is configured to initiate a resource configuration process after receiving the measurement report message that includes the indication information, and allocate an appropriate resource to the UE.
  • the UE 31 in the above system may further include the processing module 21 and the transmitting module 22 shown in FIG. 2 as shown in the foregoing. The specific implementation of these two modules will not be described here.
  • the foregoing embodiments corresponding to FIG. 1, 2 and 3 calculate the sum of the buffered data amount of the own radio link control layer or the transport channel traffic flow by the UE in the Cell_PCH state, and when determining that the value is greater than the set threshold value,
  • the measurement report message reported to the network side carries indication information for identifying the service traffic of the UE, instead of the traffic measurement result for the buffered data amount of each radio bearer or each line link control layer, thereby
  • the UE in the Cell_PCH state can report the related result information of the traffic measurement to the network side, and only needs to send a measurement report message to the network side, so that the network side can know the UE as early as possible.
  • the traffic flow situation the resource configuration process is initiated as early as possible, and the UE is allocated appropriate resources. For example, if the UE sends a measurement report without a dedicated channel, the RNC receives the traffic flow finger. After the display, it is learned that the UE needs more resources to satisfy the data upload, and then the RNC can configure the dedicated channel resource for the UE through the reconfiguration process. Therefore, the RNC does not need to decide to allocate dedicated resources for the UE after receiving the two measurement report messages, which reduces the delay for allocating resources for the UE to meet the service requirements.
  • the RNC can also periodically report the information of the transport channel traffic of the UE or the sum of the buffered data of the RLC (Radio Link Control) layer, so that the RNC can know the UE to the transport channel in time.
  • the use of resources so that the resources used by the UE can be dynamically configured and adjusted to achieve efficient use of resources.
  • the RNC can learn the total resource usage in the current cell by knowing the allocation and/or usage of the common E-DCH resource from the base station, thereby The purpose of effectively utilizing resources in the cell is achieved.
  • FIG. 4 Another embodiment of the present invention, as shown in FIG. 4, corresponds to the following steps:
  • Step 401 The UE carries scheduling information in a medium access control packet data unit (MAC PDU) sent in the uplink.
  • MAC PDU medium access control packet data unit
  • the value of the TEBS field in the scheduling information is the sum of the amount of data to be sent in all RLC buffers, that is, the value of the TEBS field can represent the amount of data that the UE needs to send.
  • Step 402 After receiving the MAC PDU, the base station compares the value of the TEBS field in the MAC PDU with the set threshold. If the threshold is exceeded, the process proceeds to step 403.
  • the base station may not perform an operation, and may return to step 402.
  • the threshold used by the base station for comparison in this step needs to be preset, for example, it can be set by the RNC on the network side and sent to the base station.
  • the RNC may be configured to the base station through an NBAP (Node B Application Part) signaling process.
  • NBAP Node B Application Part
  • Step 403 The base station sends an indication to the RNC.
  • the RNC After receiving the indication information, the RNC can learn that the amount of data that the UE needs to send exceeds the threshold, and then the RNC can decide to initiate a reconfiguration process to adapt to the service traffic requirement of the UE.
  • the indication may also carry the allocation and/or usage of the common E-DCH resources in the base station, so that the RNC allocates resources to the UE according to the allocation.
  • the base station may also perform statistics on the traffic of the transport channel that the UE needs to transmit during the period of time, or the sum of the buffered data of the RLC layer, according to the situation of the TEBS reported by the UE in a certain period of time, and periodically output the statistical result. Report to the RNC.
  • the result of this statistics can be the average of the data that the UE needs to send during this period of time, as well as the change in the situation in which data needs to be sent during the period and the previous period.
  • the base station may periodically report the allocation and/or usage of the common E-DCH resources in the base station to the RNC. The periodic reporting may be based on the RNC configuration, the above reporting period, and/or specific information reported.
  • the embodiment may be extended to set another threshold of the indication at the base station.
  • the base station reports another indication to the RNC, and the RNC may re-resource the UE according to the indication information. Configure to save network resources.
  • the base station in the above embodiment of the present invention includes a comparison module 51 and a transmission module 52.
  • the comparison module 51 is configured to obtain the value of the TEBS field of the UE from the scheduling information carried by the MAC PDU sent by the UE, and compare the value with the set threshold.
  • the sending module 52 Send an indication to the RNC.
  • the sent indication is used to trigger the RNC to perform resource configuration for the UE to adapt to the service traffic requirement of the UE.
  • another threshold may be set, so that the service traffic of the UE is reduced by an hour, and the network side is triggered to reconfigure resources for the UE, thereby saving resources on the network side.
  • the comparison module 51 is further configured to compare the value of the TEBS field with another set threshold. When determining that the value is less than the threshold, the sending module 52 sends an indication to the network side, where the RNC is triggered. The UE performs resource configuration.
  • the system of the above embodiment of the present invention includes a base station 61 and an RNC 62.
  • the base station 61 is configured to receive the MAC PDU sent by the UE, and obtain the value of the TEBS domain of the UE from the scheduling information carried by the MAC PDU, and the TEBS in the MAC PDU.
  • the value of the field is compared to the set threshold and an indication is sent to the RNC 62 when the value exceeds the threshold.
  • the indication is used to trigger the radio network control device to perform resource configuration for the UE.
  • the RNC 62 is configured to perform resource configuration for the UE after receiving the indication sent by the base station 61.
  • resource configuration can be performed through processes such as reconfiguration.
  • the base station in the above system may further include the comparison module 51 and the transmission module 52 shown in FIG. 5 as shown in the foregoing. The specific implementation of these two modules will not be described here.
  • FIG. 5 and FIG. 6 receives the MAC PDU sent by the UE by the base station, and compares the value of the TEBS field in the MAC PDU with the set threshold. When the threshold is exceeded, the base station triggers an indication for the UE. To the RNC, the RNC determines to configure the UE with the appropriate resources according to the received indication. Therefore, after the base station receives the MAC PDU, the foregoing embodiment compares the value of the TEBS domain with the set threshold, and triggers a report to the RNC in time, so that the network side can timely when the service traffic of the UE is large.
  • the UE is configured with resources, and there is a large delay in the process of configuring resources for the UE by the network side as in the prior art.
  • the prior art requires the UE to send two measurement messages and must be converted. After the Cell_FACH state is reached, the measurement report message containing the traffic flow result can be sent.
  • the foregoing embodiment is not limited to solving the problem of resource allocation delay of the UE in the CelLPCH state in the prior art, and can solve other problems.
  • a similar problem exists when the state of the UE performs state transition.
  • another threshold may be further set.
  • the value of the TEBS of the UE is less than the threshold, the current data transmission amount of the UE is small, and the base station reports another indication to the RNC according to the comparison, and the RNC according to the indication information. Reconfiguring the resources of the UE, that is, configuring the UE with a smaller resource, thereby saving network resources.
  • the RNC may configure the base station to periodically report information such as the transport channel traffic of the UE or the sum of the buffered data of the RLC layer, so that the RNC can know the usage of the transport channel by the UE in time, and thus the resources used by the UE. It can be dynamically configured and adjusted to achieve efficient use of resources. Further, if the UE The used uplink transmission channel is an E-DCH channel, and the RNC can know the total resource usage in the current cell by knowing the allocation and/or usage of the common E-DCH resources in the base station, thereby achieving the resources in the cell. The purpose of effective use.
  • the present invention can be implemented by hardware, or can be implemented by means of software plus necessary general hardware platform, and the technical solution of the present invention can be implemented.
  • the software product can be stored in a non-volatile storage medium (which can be a CD-ROM, a USB flash drive, a mobile hard disk, etc.), including a number of instructions for making a computer device (may be A personal computer, server, or network device, etc., performs the methods described in various embodiments of the present invention.

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Description

一种触发资源配置的方法、 装置及系统 本申请要求于 2008 年 2 月 4 日提交中国专利局、 申请号为 200810065290.2、 发明名称为 "一种触发资源配置的方法、 装置及系 统"的中国专利申请的优先权,其全部内容通过引用结合在本申请中。 技术领域
本发明实施例涉及移动通信领域,具体是涉及一种触发资源配置 的方法、 装置及系统。 背景技术
对于移动通信系统来说, 在引入处于 Cell_PCH ( Cell_Paging Channel, 小区寻呼信道 )状态的用户设备接收 HSDPA ( High Speed Downlink Packet Access,高速下行分组接入 M言道特性这一技术之前, 处于 Cell_PCH状态的 UE ( User Equipment, 用户设备 ) 不能直接接 收和发送数据。 比如, 当处于 Cell_PCH状态的 UE有上行数据需要 传输时, 需要先发起一个小区更新过程以进入其他状态。 在小区更新 过程完成并进入到其他允许直接上行数据传输的状态后, UE才可以 进行上行数据传输。
在引入处于 Cell_PCH状态的 UE接收 HSDPA信道特性的技术 之后, 处于 Cell_PCH 状态的 UE 可以保留其在 Cell_FACH ( Cell_Forward Access Channel, 小区前向接入信道 )状态的资源, 而 处于 Cell_FACH状态下的 UE是可以直接进行上行数据的传输的。现 有技术规定 UE可以直接从 Cell_PCH状态迁移到 Cell_FACH状态, 从而 UE可以利用 Cell_FACH状态下的资源发送和接收数据,而不需 要先发起一个小区更新过程。
在实现本发明的过程中, 发明人发现现有技术至少存在以下问 题:
在处于 Cell_PCH 状态的用户设备需要发送的上行数据量较大 时,可能 UE当前所保留的 Cell_FACH的资源并不能满足其业务的承 载质量。对于这种情况, 该 UE必须在本 UE的 RRC ( Radio Resource Control, 无线资源控制)状态机设置为 Cell_FACH状态后, 才能触 发网络侧为本 UE配置更合适的、 满足业务的承载质量的资源, 相应 地,网络侧才能确定为该 UE配置其上行数据传输所需的资源。显然, 这种触发资源配置的方案会给 UE后续的数据传输带来时延。
发明内容
本发明实施例提供一种触发资源配置的方法、 装置及系统, 以在 触发资源配置的同时, 尽量减小给 UE的数据传输所带来的时延。
为解决上述问题, 本发明各实施例提供了以下技术方案: 本发明实施例提供了一种触发资源配置的方法, 该方法包括: 处于小区寻呼信道 Cell_PCH状态的用户设备 UE在计算出无线 链路控制层的緩沖数据量的总和或者传输信道业务流量大于设置的 门限值时, 在上报给网络侧的测量报告消息中携带指示信息, 所述指 示信息用于触发网络侧为所述 UE进行资源配置。
本发明实施例还提供了一种触发资源配置的 UE, 所述 UE包括 处理模块和发送模块, 其中,
所述处理模块, 用于在本 UE处于 Cell_PCH状态, 且计算出本 UE的无线链路控制层的緩沖数据量的总和或传输信道业务流量大于 设置的门限值时, 在上报给网络侧的测量报告消息中携带指示信息, 所述指示信息用于触发网络侧为所述 UE进行资源配置, 以及将所述 测量报告消息通过发送模块发送出去。
本发明实施例还提供了一种触发资源配置的系统,所述系统包括 UE和网络侧设备, 其中,
所述 UE, 用于在本 UE处于 Cell_PCH状态, 且计算出本 UE的 无线链路控制层的緩沖数据量的总和或者传输信道业务流量大于设 置的门限值时, 在上 给网络侧的测量 告消息中携带指示信息, 所 述指示信息用于触发网络侧为所述 UE进行资源配置; 所述网络侧设备,用于在收到包含所述指示信息的测量报告消息 后, 为所述 UE进行资源配置。
本发明实施例还提供了另一种触发资源配置的方法, 该方法包 括:
基站接收 UE发送的 MAC PDU( Media Access Control Packet Data Unit, 媒体接入控制分组数据单元), 所述 MAC PDU携带的调度信 息中包括 E-DCH ( Enhanced Dedicated Channel, 增强专用信道)总的 緩沖状态 TEBS ( Total E-DCH Buffer Status, 增强专用信道总的緩沖 状态 )域的数值;
基站从收到的 MAC PDU的调度信息中获取 TEBS域的数值,并 在所述 TEBS域的数值超过设置的门限时,向无线网络控制设备发送 一个指示, 所述指示用于触发无线网络控制设备为所述 UE进行资源 配置。
本发明实施例还提供了另一种触发资源配置的基站,所述基站包 括: 比较模块和发送模块, 其中,
所述比较模块用于从 UE发送的 MAC PDU携带的调度信息中获 取所述 TEBS域的数值, 以及在确定所述数值超过设置的门限时, 通 过所述发送模块发送一个指示给无线网络控制设备,所述指示用于触 发无线网络控制设备为所述 UE进行资源配置。
本发明实施例还提供了另一种触发资源配置的系统, 其特征在 于, 所述系统包括: 基站和无线网络控制设备, 其中,
所述基站, 用于接收 UE发送的 MAC PDU, 从所述 MAC PDU 的调度信息中获取所述 UE的 TEBS域的数值, 以及在确定所述数值 超过设置的门限时, 向无线网络控制设备发送一个指示, 所述指示用 于触发无线网络控制设备为所述 UE进行资源配置;
所述无线网络控制设备, 用于在收到基站上报的所述指示后, 为 UE配置资源。
与现有技术相比, 本发明实施例通过处于 Cell_PCH状态的用户 设备 UE在计算出无线链路控制层的緩沖数据量的总和或者传输信道 业务流量大于设置的门限值时,在上报给网络侧的测量报告消息中携 带指示信息,所述指示信息用于触发网络侧为所述 UE进行资源配置。 从而使得网络侧能够根据 UE的需求快速地为 UE进行资源配置, 相 比于现有技术的触发资源配置的方式, 减小了 UE在数据传输时的时 延。
本发明实施例通过基站接收 UE发送的 MAC PDU, 所述 MAC PDU携带的调度信息中包括 TEBS 域的数值; 基站从收到的 MAC PDU的调度信息中获取 TEBS域的数值,并在所述 TEBS域的数值超 过设置的门限时, 向无线网络控制设备发送一个指示, 所述指示用于 触发无线网络控制设备为所述 UE进行资源配置。 从而使得网络侧能 够根据 UE的需求快速地为 UE进行资源配置, 相比于现有技术的触 发资源配置的方式, 减小了 UE在数据传输时的时延。 附图说明
图 1为本发明一个方法实施例的实现流程图;
图 2为图 1所示方法实施例的 UE的结构示意图;
图 3为图 1所示方法实施例的系统的结构示意图;
图 4为本发明另一个方法实施例的实现流程图;
图 5为图 4所示方法实施例的基站的结构示意图;
图 6为图 4所示方法实施例的系统的结构示意图。 具体实施方式
为使本发明的目的、技术方案和优点更加清楚, 下面将结合附图 对本发明作进一步地详细描述。
发明人通过研究发现, 对于现有方案来说, Cell_PCH UE必须在 进入 Cell_FACH 状态后, 也即移动台侧和 RNC ( Radio Network Controller, 无线网络控制器)侧都已经将该移动台的 RRC状态机设 置为 Cell_FACH状态后, Cell_FACH UE再向网络侧发送一个普通的 携带 "流量测量结果" 的测量 告消息。
相应地, 网络侧在收到该携带流量测量结果的测量 告消息后, 可以发起相关的资源配置过程, 资源可以是指无线承载资源, 可以是 物理层资源, 可以是传输信道资源等等。 网络侧发起的资源配置可以 是无线承载资源建立 /重配置 /释放过程, 或者是物理层资源建立 /重配 置 /释放过程, 或者是传输信道建立 /重配置 /释放过程。
也就是说, 在处于 Cell_PCH状态的 UE因上行数据量较大而触 发 RNC对其进行资源配置的过程中,必须在进入 Cell_FACH状态后, 再上报一条携带流量测量结果的测量报告消息, 网络侧才能确定为 UE配置其上行数据传输所需的合适的资源。
而对于 UE来说, 当处于 Cell_PCH状态的 UE有数据需要发送 或者接收时, 要在 RACH ( Random Access Channel, 随机接入信道 ) 上发起一个特别规范的测量报告消息, 该消息用于触发 UE 从 Cell_PCH到 Cell_FACH自动的状态迁移, 包含 UE测量得到的、 表 征当前下行链路质量的信息 "Measured Results on RACH" , 从而将状 态迁移到 Cell_FACH状态。对于网络侧, RNC收到这个测量 告后, 将消息中的该信息转发给基站,基站则根据该信息决定后续发送给该 UE的下行发送功率和调制编码格式。 RNC收到该 UE在 RACH上的 测量报告消息后, 也将 RNC 中存储的关于该 UE 的状态设置为 CelLFACH状态。 也即, 随着 RACH信道的使用, UE和 RNC都认 为该 UE自动转入 Cell_FACH状态,此后 UE和网络侧可以使用之前 由 RNC配置的 Cell_FACH状态下的资源。
因此,发明人想到,可以利用 UE为将状态迁移到 Cell_FACH状 态发送的测量报告消息来发送流量测量结果, 从而, 网络侧在收到该 测量报告消息后, 即可根据 UE的需求快速地为 UE进行资源配置。
为此, 本发明提出了多个实施例, 下面分别对这些实施例进行详 细介绍。 需要说明的是, 本发明各实施例中提到的 RNC, 只是一个 示例, 还可以是其他类似的无线网络控制设备。
其中的一个实施例如图 1所示, 对应以下步骤: 步骤 101、 处于 Cell_PCH状态的 UE计算出自己的传输信道业 务流量大于设置的门限值,或者是无线链路控制层的緩沖数据量的总 和大于设置的门限值时,在上报给网络侧的测量报告消息中携带指示 信息, 以表示当前的计算结果大于设置的门限值。
该指示信息还可以用于标识本 UE的无线链路控制层的緩沖数据 量的总和或者传输信道业务流量超过了某个门限。具体可以将该指示 信息称为 "业务流量指示"信息。 网络侧可以利用该指示信息进行参 考和判断, 决定是否触发为该 UE进行资源的配置。
另外,在测量 告消息中携带该指示信息具体可以有以下几种情 况, 一种是只有在当前的计算结果大于设置的门限值时, 才携带该指 示信息; 另一种是在测量报告消息中设置一个指示标识, 当超过门限 时, 该指示为 true, 未超过门限时, 该指示则为 false; 或者使用一个 指示信息来表示 UE满足了 4a事件(4a事件的定义为: UE的传输信 道业务流量超过了某个门限)。
步骤 102、 网络侧在收到包含该指示信息的测量报告消息后, 发 起资源配置过程, 为该 UE分配资源。
当然,包含该指示信息的测量报告消息只是作为网络侧决定是否 发起资源配置过程的参考条件之一, 表征了此时 UE的数据传输对于 资源的需求状况。 收到包含该指示信息的测量报告消息后, 网络侧也 可以根据当前小区中的资源使用情况等因素决定不发起资源配置过 程, 这取决于网络侧设备的无线资源管理算法等。
所述的资源可以是无线承载资源、物理层资源、传输信道资源等, 相应地, 所述的资源配置过程可以是无线承载资源建立 /重配置 /释放 过程、 物理层资源建立 /重配置 /释放过程, 或传输信道建立 /重配置 / 释放过程。 比如说, 网络侧可以为 UE分配更多的无线承载资源, 或 者为 UE配置专用的信道资源, 以满足其承载的业务的流量需求。
UE收到这个资源配置的消息并完成相应的资源应用后, 可以使 用网络侧为其分配的资源进行数据传输。
本发明上述实施例中的 UE如图 2所示, 包括处理模块 21和发 送模块 22。
其中, 处理模块 21用于在本 UE处于 Cell_PCH状态, 且计算出 本 UE的传输信道业务流量, 或者是无线链路控制层的緩沖数据量的 总和大于设置的门限值时,在上报给网络侧的测量报告消息中携带指 示信息, 并将该测量报告消息通过发送模块 22发送出去。
UE在测量 告消息中携带的指示信息具体如前所述, 用于触发 网络侧为所述 UE进行合适的资源配置, 在此不再赘述。
本发明上述实施例的系统如图 3所示,包括 UE 31和网络侧设备
32。
其中, UE 31用于在本 UE 31处于 Cell_PCH状态, 且计算出本 UE 31的传输信道业务流量, 或者是无线链路控制层的緩沖数据量的 总和大于设置的门限值时,在上报给网络侧的测量报告消息中携带指 示信息, 该指示信息即用于触发网络侧为所述 UE 31 进行资源的配 置; 该指示信息如前所述, 也可以是表示 UE 31满足触发 4a事件的 指示。
网络侧设备 32, 则用于在收到包含该指示信息的测量报告消息 后, 发起资源配置过程, 为该 UE分配合适的资源。
上述系统中的 UE 31如前所示,具体还可以包括图 2所示的处理 模块 21和发送模块 22。 这两个模块的具体实现这里不再赘述。
图 1、 2及 3对应的上述实施例通过处于 Cell_PCH状态的 UE计 算自己的无线链路控制层的緩沖数据量的总和或者传输信道业务流 量, 并在确定该数值大于设置的门限值时, 在上报给网络侧的测量报 告消息中携带用于标识本 UE的业务流量的指示信息, 而不是针对于 每个无线承载或者每个线链路控制层的緩沖数据量的流量测量结果, 从而使得处于 Cell_PCH状态的 UE能够在转换到 Cell_FACH状态的 同时, 即可将流量测量的相关结果信息上报给网络侧, 并且只需要发 送一条测量报告消息给网络侧, 从而使得网络侧能够尽早得知该 UE 的业务流量情况,尽早发起资源配置过程,为该 UE分配合适的资源。 比如说, UE发送测量报告之前没有专用信道, RNC收到业务流量指 示后, 了解到 UE需要更多的资源以满足数据的上传, 于是 RNC可 以在接下来通过重配置过程为 UE配置专用信道资源。从而, RNC不 需要在接收到两条测量报告消息之后再决定为 UE配置专用资源, 降 低了为 UE分配资源以适应业务需求的时延。
该实施例还可以由 RNC配置基站周期性地上报 UE的传输信道 业务流量或者 RLC ( Radio Link Control, 无线链路控制)层的緩沖数 据量总和等信息, 以使得 RNC及时了解到 UE对传输信道资源的使 用情况, 从而对 UE使用的资源可以动态的进行配置和调整, 达到有 效的利用资源的目的。 进一步地, 如果 UE使用的上行传输信道为 E-DCH信道, 则 RNC通过从基站了解公共 E-DCH资源的分配情况 和 /或使用情况, 可以了解到当前小区中的总的资源使用情况, 从而 达到对小区内资源有效的利用的目的。
本发明另一实施例如图 4所示, 对应以下步骤:
步骤 401、 UE在上行发送的媒体接入控制分组数据单元(MAC PDU ) 中携带调度信息 ( scheduling information )。
该调度信息中的( TEBS域的数值是所有 RLC緩沖中需要发送的 数据量总和, 即该 TEBS域的数值可以表征 UE所需发送的数据量。
步骤 402、 基站在收到 MAC PDU后, 对 MAC PDU中的 TEBS 域的数值与设置的门限进行比较, 如果超过门限, 则进入步骤 403。
当然, 如果没有超过门限, 则基站可以不执行操作, 具体可以返 回步骤 402。
另外, 本步骤中基站用于比较的门限需要预先设置, 比如, 可以 由网络侧的 RNC设置,并发送给基站。比如,可以是 RNC通过 NBAP ( Node B Application Part, Node-B应用部分 )信令过程配置给基站。 当然, 也可以采用其他设置方案。
步骤 403、 基站发送一个指示给 RNC。
RNC收到这个指示信息后,可以了解到 UE需要发送的数据量超 过门限, 于是 RNC可以决定发起重配置过程以适应 UE的业务流量 需求。 这个指示中还可以携带基站中公共 E-DCH 资源的分配情况和 / 或使用情况, 以便 RNC根据该分配情况为 UE分配资源。
基站还可以根据 UE在某段时间内上报的 TEBS的情况, 对 UE 在该段时间内需要发送的传输信道业务流量, 或者是 RLC层的緩沖 数据量总和进行统计, 将统计的结果周期性地向 RNC上报。 这个统 计结果可以是 UE在这段时间内需要发送的数据的平均情况, 也可以 表征这段时间内与前一个周期需要发送数据情况的变化情况等等。进 一步的,基站也可以周期性地向 RNC上报本基站中公共 E-DCH资源 的分配情况和 /或使用情况。该周期性的上报可以是基于 RNC的配置, 如上报周期, 和 /或上报的具体信息等。
进一步地, 本实施例可以拓展为, 可以在基站设置另一个指示的 门限,当 UE的 TEBS小于这个门限时,基站上报另一个指示给 RNC, RNC根据这个指示信息,可以对 UE的资源进行重新配置, 以节约网 络资源。
本发明上述实施例中的基站如图 5所示, 包括比较模块 51和发 送模块 52。
其中, 比较模块 51用于从 UE发送的 MAC PDU携带的调度信 息中获取该 UE的 TEBS域的数值, 并将该数值与设置的门限进行比 较, 在确定该数值超过门限时, 通过发送模块 52 发送一个指示给 RNC。 所发送的指示用于触发 RNC为所述 UE进行资源配置, 以适 应 UE的业务流量需求。
该实施例中, 还可以通过设置另一门限, 以在 UE的业务流量减 小时, 触发网络侧为该 UE重新配置资源, 从而节约网络侧的资源。
具体来说, 比较模块 51还用于, 将 TEBS域的数值与设置的另 一个门限进行比较, 在确定该数值小于该门限时, 通过发送模块 52 发送指示给网络侧, 用于触发 RNC为所述 UE进行资源配置。
本发明上述实施例的系统如图 6所示, 包括基站 61和 RNC 62。 基站 61用于接收 UE发送来的 MAC PDU,从该 MAC PDU携带 的调度信息中获取该 UE的 TEBS域的数值,对 MAC PDU中的 TEBS 域的数值与设置的门限进行比较,以及在该数值超过门限时发送一个 指示给 RNC 62。 其中, 该指示如前所述, 用于触发无线网络控制设 备为所述 UE进行资源配置。
RNC 62则用于在收到基站 61发送的所述指示后, 为 UE进行资 源配置。 且具体可以通过重配置等过程进行资源配置。
上述系统中的基站如前所示,具体还可以包括图 5所示的比较模 块 51和发送模块 52。 这两个模块的具体实现这里不再赘述。
图 4、 5及 6对应的上述实施例通过基站接收 UE发送的 MAC PDU, 并对 MAC PDU中的 TEBS域的数值与设置的门限进行比较, 在超过门限时, 由基站为该 UE触发一个指示给 RNC, RNC则根据 收到的指示确定为该 UE配置合适的资源。 因此, 上述实施例在基站 接收到 MAC PDU后,即进行 TEBS域的数值与设置的门限之间的比 较, 并及时向 RNC触发报告, 从而使得网络侧能够在 UE的业务流 量较大时, 及时为 UE配置资源, 而不会像现有技术那样, 网络侧为 UE配置资源的过程存在较大延迟(如前所述, 现有技术需要 UE发 送两次测量 4艮告消息, 并且必须在转换到 Cell_FACH状态后, 才能 发送包含业务流量结果的测量报告消息)。
另外, 由于 UE在其他状态发送给基站的调度指示中都可以包含 该 TEBS 信息, 因此, 上述实施例不仅限于解决现有技术中处于 CelLPCH状态的 UE的资源配置延迟的问题, 其还能解决其他状态 的 UE进行状态转换时存在的类似问题。
该实施例还可以进一步设置另一个门限, 当 UE的 TEBS的数值 小于该门限时, 说明 UE的当前数据传输量较小, 基站则根据该比较 上报另一个指示给 RNC, RNC则根据该指示信息对 UE的资源进行 重新配置, 即为 UE配置较小的资源, 从而节约了网络资源。
该实施例还可以由 RNC配置基站周期性地上报 UE的传输信道 业务流量或者 RLC层的緩沖数据量总和等信息,以使得 RNC及时了 解到 UE对传输信道的使用情况, 从而对 UE使用的资源可以动态的 进行配置和调整, 达到有效的利用资源的目的。 进一步的, 如果 UE 使用的上行传输信道为 E-DCH信道,则 RNC通过了解本基站中公共 E-DCH资源的分配情况和 /或使用情况可以了解到当前小区中的总的 资源使用情况, 从而达到对小区内资源有效的利用的目的。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解 到本发明可以通过硬件实现,也可以借助软件加必要的通用硬件平台 的方式来实现基于这样的理解,本发明的技术方案可以以软件产品的 形式体现出来, 该软件产品可以存储在一个非易失性存储介质(可以 是 CD-ROM, U盘, 移动硬盘等) 中, 包括若干指令用以使得一台 计算机设备(可以是个人计算机, 服务器, 或者网络设备等)执行本 发明各个实施例所述的方法。
总之, 以上所述仅为本发明的较佳实施例而已, 并非用于限定本 发明的保护范围。 凡在本发明的精神和原则之内, 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
1、 一种触发资源配置的方法, 其特征在于, 该方法包括: 处于小区寻呼信道 Cell_PCH状态的用户设备 UE在计算出无线 链路控制层的緩沖数据量的总和或者传输信道业务流量大于设置的 门限值时, 在上报给网络侧的测量报告消息中携带指示信息, 所述指 示信息用于触发网络侧为所述 UE进行资源配置。
2、 根据权利要求 1所述触发资源配置的方法, 其特征在于, 所 述测量报告消息中携带指示信息为: UE在无线链路控制层的緩沖数 据量的总和或者传输信道业务流量大于设置的门限值时,在测量 4艮告 消息中设置指示信息;
或者, UE在无线链路控制层的緩沖数据量的总和或者传输信道 业务流量大于设置的门限值时,将测量 告消息中设置的指示标识设 置为真, 否则设置该指示标识为假;
或者, UE在传输信道业务流量大于设置的门限时, 在测量 4艮告 消息中设置表示 UE满足了 4a事件的指示信息。
3、根据权利要求 1或 2所述触发资源配置的方法, 其特征在于, 所述指示信息进一步用于标识所述 UE的无线链路控制层的緩沖数据 量的总和或传输信道的业务流量。
4、 一种触发资源配置的 UE, 其特征在于, 所述 UE包括处理模 块和发送模块, 其中,
所述处理模块, 用于在本 UE处于 Cell_PCH状态, 且计算出本 UE的无线链路控制层的緩沖数据量的总和或传输信道业务流量大于 设置的门限值时, 在上报给网络侧的测量报告消息中携带指示信息, 所述指示信息用于触发网络侧为所述 UE进行资源配置, 以及将所述 测量报告消息通过发送模块发送出去。
5、 一种触发资源配置的方法, 其特征在于, 该方法包括: 基站接收 UE发送的媒体接入控制分组数据单元 MAC PDU, 所 述 MAC PDU携带的调度信息中包括增强专用信道总的緩沖状态 TEBS域的数值;
基站从收到的 MAC PDU的调度信息中获取 TEBS域的数值,并 在所述 TEBS域的数值超过设置的门限时,向无线网络控制设备发送 一个指示, 所述指示用于触发无线网络控制设备为所述 UE进行资源 配置。
6、 根据权利要求 5所述触发资源配置的方法, 其特征在于, 该 方法进一步包括:
基站在所述 TEBS域的数值小于设置的另一个门限时,向无线网 络控制设备发送指示, 所述指示用于触发无线网络控制设备为所述 UE进行资源配置。
7、根据权利要求 5或 6所述触发资源配置的方法, 其特征在于, 所述指示中进一步携带本基站中公共增强专用信道 E-DCH资源的分 配和 /或使用情况。
8、根据权利要求 5或 6所述触发资源配置的方法, 其特征在于, 所述门限值由无线网络控制设备配置, 并发送给基站。
9、 一种触发资源配置的基站, 其特征在于, 所述基站包括: 比 较模块和发送模块, 其中,
所述比较模块用于从 UE发送的 MAC PDU携带的调度信息中获 取所述 TEBS域的数值, 以及在确定所述数值超过设置的门限时, 通 过所述发送模块发送一个指示给无线网络控制设备,所述指示用于触 发无线网络控制设备为所述 UE进行资源配置。
10、 根据权利要求 9所述触发资源配置的基站, 其特征在于, 所 述比较模块进一步用于, 在确定所述数值小于设置的另一个门限时, 通过所述发送模块发送指示给无线网络控制设备,所述指示用于触发 无线网络控制设备为所述 UE进行资源配置。
11、 一种触发资源配置的系统, 其特征在于, 所述系统包括: 基 站和无线网络控制设备, 其中,
所述基站, 用于接收 UE发送的 MAC PDU, 从所述 MAC PDU 的调度信息中获取所述 UE的 TEBS域的数值, 以及在确定所述数值 超过设置的门限时, 向无线网络控制设备发送一个指示, 所述指示用 于触发无线网络控制设备为所述 UE进行资源配置;
所述无线网络控制设备, 用于在收到基站上报的所述指示后, 为 UE配置资源。
12、 根据权利要求 11所述触发资源配置的系统, 其特征在于, 所述基站包括: 比较模块和发送模块, 其中,
所述比较模块用于从 UE发送的 MAC PDU的调度信息中获取所 述 UE的 TEBS域的数值, 以及在确定所述数值超过设置的门限时, 通过所述发送模块发送一个指示给无线网络控制设备,所述指示用于 触发无线网络控制设备为所述 UE进行资源配置。
13、 根据权利要求 12所述触发资源配置的系统, 其特征在于, 所述比较模块进一步用于, 在确定所述数值小于设置的另一个门限 时, 通过所述发送模块发送指示给无线网络控制设备, 所述指示用于 触发无线网络控制设备为所述 UE进行资源配置。
PCT/CN2009/070308 2008-02-04 2009-01-23 一种触发资源配置的方法、装置及系统 WO2009100668A1 (zh)

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EP09710164A EP2234434B1 (en) 2008-02-04 2009-01-23 A method, device and system for triggering the resource distribution
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