WO2012122924A1 - 一种上行数据的调度方法、系统及装置 - Google Patents

一种上行数据的调度方法、系统及装置 Download PDF

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Publication number
WO2012122924A1
WO2012122924A1 PCT/CN2012/072180 CN2012072180W WO2012122924A1 WO 2012122924 A1 WO2012122924 A1 WO 2012122924A1 CN 2012072180 W CN2012072180 W CN 2012072180W WO 2012122924 A1 WO2012122924 A1 WO 2012122924A1
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WIPO (PCT)
Prior art keywords
user equipment
scheduling request
uplink data
uplink
scheduling
Prior art date
Application number
PCT/CN2012/072180
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English (en)
French (fr)
Inventor
权威
姜怡
Original Assignee
华为技术有限公司
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.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP12758254.2A priority Critical patent/EP2675081B1/en
Publication of WO2012122924A1 publication Critical patent/WO2012122924A1/zh

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Classifications

    • 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
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/56Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H04W72/569Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information

Definitions

  • the invention relates to a method, system and device for scheduling uplink data.
  • the application is filed on March 11, 2011, and the application number is 201 1100591 33. 2 , and the invention name is "a method, system and device for scheduling uplink data".
  • Priority of the Chinese application the entire contents of which are incorporated herein by reference.
  • the present invention relates to the field of communications technologies, and in particular, to a method, system, and apparatus for scheduling uplink data. Background technique
  • a base station such as an evolved Node B (eNB) in an LTE network, may allocate an air interface to a user equipment (UE).
  • UE user equipment
  • the base station can directly allocate downlink resources to the UE, and schedule the user equipment to receive downlink data.
  • the base station For the uplink resource allocation of the user equipment, the base station first obtains the data volume information of the data to be sent by the user equipment, and then allocates appropriate uplink resources for the user equipment.
  • the base station when the base station performs uplink resource allocation, that is, uplink scheduling, the base station may implement the following methods:
  • BSR Buffer Status Report
  • the base station After receiving the SR, the base station determines that the user equipment has uplink data to be sent, and sends a first uplink grant (UL Grant) to the user equipment, and notifies the user equipment that the base station allocates the first uplink resource for the user equipment, and the An uplink resource is used to send a BSR, and some or all data may also be transmitted.
  • UL Grant first uplink grant
  • the user equipment After receiving the first uplink grant, the user equipment sends a BSR to the base station for the first uplink resource allocated by the base station, and informs the base station of the amount of uplink data buffered.
  • the base station After receiving the BSR, the base station knows the uplink data volume of the user equipment, and sends a second uplink grant to the user equipment to notify the base station of the second uplink resource allocated by the user equipment, where the second uplink resource is used for transmitting uplink data. .
  • the user equipment After the user equipment receives the second uplink authorization, the user equipment performs the second uplink resource allocated by the base station. Transmission of uplink data; the user equipment may also send a padding BSR on the second uplink resource.
  • the base station needs to send two uplink grants respectively to allocate the resources of the user equipment to send the BSR and the uplink data, so that the uplink resources allocated by the base station are not timely and accurate.
  • the uplink data scheduling method, system and device provided by the embodiments of the present invention enable the base station to allocate uplink resources in time and accurately, thereby improving the scheduling performance of the uplink data.
  • the embodiment of the invention provides a method for scheduling uplink data, including:
  • An embodiment of the present invention provides an uplink scheduling method, including:
  • the scheduling request includes indication information indicating an attribute of uplink data buffered by the user equipment, so that the base station is included according to the scheduling request.
  • the indication information is used to allocate an uplink resource to the user equipment.
  • An embodiment of the present invention provides a base station, including:
  • a configuration sending unit configured to send configuration information to the user equipment, where the configuration information is used to configure a manner in which the scheduling request sent by the user equipment indicates an attribute of the cached uplink data
  • a scheduling receiving unit configured to receive a scheduling request that is sent by the user equipment according to the configuration information sent by the configuration sending unit, where the scheduling request includes indication information indicating an attribute of the uplink data buffered by the user equipment;
  • a scheduling unit configured to allocate an uplink resource to the user equipment according to the indication information included in the scheduling request received by the scheduling receiving unit.
  • An embodiment of the present invention provides a user equipment, including:
  • a configuration receiving unit configured to receive configuration information sent by the base station, where the configuration information is used to configure a manner in which the scheduling request sent by the user equipment indicates the attribute of the buffered uplink data
  • a scheduling request sending unit configured to configure the configuration information received by the receiving unit And sending, to the base station, the scheduling request, where the scheduling request includes indication information indicating an attribute of the uplink data buffered by the user equipment, so that the base station is the user according to the indication information included in the scheduling request.
  • the device allocates uplink resources.
  • the base station notifies the user equipment of the configuration information, where the configuration information is used to configure a manner in which the scheduling request sent by the user equipment indicates the attribute of the buffered uplink data; when the base station receives the scheduling request sent by the user equipment, The scheduling request is sent by the user equipment according to the configuration information, and the uplink resource is allocated to the user equipment according to the indication information in the scheduling request.
  • the user equipment may indicate that the uplink data needs to be sent when the scheduling request is sent, and may indicate the specific attribute information of the sent uplink data, so that the base station can accurately and accurately refer to the user equipment to be sent in time when performing uplink resource allocation, that is, uplink scheduling.
  • 1 is a flowchart of a method for a base station to perform uplink data scheduling on a user equipment
  • FIG. 2 is a flowchart of a method for scheduling uplink data according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a method for scheduling uplink data according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of another base station according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of another base station according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
  • the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, one of ordinary skill in the art does not create All other embodiments obtained under the premise of sexual labor are within the scope of protection of the present invention.
  • the method for scheduling the uplink data provided by the embodiment of the present invention is mainly applicable to the scheduling of the uplink data of the user equipment by the base station (that is, the allocation of the uplink resource), and the method in this embodiment is a method performed by the base station side, and the flowchart is executed. As shown in Figure 2, it includes:
  • Step 101 Send configuration information to the user equipment, where the configuration information is used to configure a manner in which the scheduling request sent by the user equipment indicates the attribute of the buffered uplink data.
  • the base station may carry the configuration information in the existing cell of the Radio Resource Control (RRC) message, or add a new cell, or notify certain fields of the existing cell to notify the user equipment, where the RRC message
  • RRC Radio Resource Control
  • the RRC Connection Setup message, or the RRC Connection Reconfiguration message, or the RRC Connection Reestablishment message may be used.
  • the base station can also carry the configuration information in the broadcast message to inform all user equipments in the cell.
  • the base station may also inform the user equipment of the configuration information by using other messages, and the specific form does not constitute a limitation of the present invention.
  • the attribute of the uplink data here refers to the characteristics of the uplink data itself, such as the amount of uplink data, the information of the logical channel (LCH) where the uplink data is located, such as the priority information of the LCH, and the type information of the LCH;
  • the manner in which the scheduling request sent by the configured user equipment indicates the attribute of the cached uplink data may include at least one of the following manners: the user equipment indicates the indication information of the uplink data attribute in the sent scheduling request, and the user equipment sends the scheduling request.
  • the format of the physical uplink control channel, and the number of times the scheduling request is sent for example:
  • the base station may configure the user equipment to send the scheduling request, and use the set indication value to indicate at least one of the following information: the amount of uplink data buffered by the user equipment; the priority of the logical channel where the buffered uplink data is located; and the logical channel where the buffered uplink data is located
  • the type is, for example, a Data Radio Bearer (DRB) or a Signaling Radio Bearer (SRB); when the user equipment sends a scheduling request to receive a corresponding uplink grant, the user equipment has a buffer that has already been triggered.
  • the status report (hereinafter referred to as BSR) has higher priority uplink data arrival or a new BSR is triggered.
  • the base station can configure the user equipment to use the Physical Uplink Control Channel (PUCCH) format (Format) 1 or format la, or format lb, or format 2, or format 2a, or format 2b.
  • PUCCH Physical Uplink Control Channel
  • the scheduling request is sent, and a new format can also be defined, which is not limited by the embodiment of the present invention.
  • Step 102 Receive a scheduling request sent by the user equipment according to the configuration information, where the scheduling request includes indication information indicating an attribute of the uplink data buffered by the user equipment.
  • the scheduling request is triggered.
  • the user equipment sends the scheduling request according to the configuration information, which may include the format in which the scheduling request is sent, and what indication value is used to indicate the cached uplink data to be sent.
  • Step 103 Allocate an uplink resource to the user equipment according to the indication information included in the scheduling request.
  • the base station receives the indication information in the scheduling request sent by the user equipment, and is used to indicate the attribute information of the uplink data that needs to be sent by the user equipment, and when the uplink resource is allocated, specifically: if the indication information indicates the buffered uplink data.
  • the user equipment may be allocated an uplink resource corresponding to the range of the uplink data volume; if the indication information indicates that the priority of the logical channel where the buffered uplink data is located is lower, the uplink data may be allocated for a certain time delay. If the indication information indicates that the uplink data with higher priority is reached, the user equipment with higher priority uplink data may be preferentially allocated resources and the like.
  • the base station After the uplink resource is allocated, the base station sends the uplink data to the user equipment. After receiving the uplink authorization, if the uplink resource allocated by the base station is sufficient to send all the buffered uplink data, the user equipment can directly send the uplink data. After the buffered uplink data is sent, the user equipment first sends the BSR, and may also include part of the uplink data.
  • the base station informs the user equipment of the configuration information, where the configuration information is used to configure a manner in which the scheduling request sent by the user equipment indicates the attribute of the buffered uplink data; when the base station receives the user equipment, according to the configuration information, The scheduling request allocates an uplink resource to the user equipment according to the indication information therein.
  • the user equipment may indicate that the uplink data needs to be sent when the scheduling request is sent, and may also indicate the specific attribute information of the sent uplink data, so that the base station can accurately and accurately refer to the user when performing uplink resource allocation, that is, scheduling of the uplink data.
  • the base station includes a first configuration item in the configuration information, where the first configuration item is used to configure a first indication value of the scheduling request, where the first indication value is used to indicate the user.
  • the base station includes the first indication value in the scheduling request received in step 102, and then performs the foregoing steps.
  • the user equipment may be allocated an uplink resource corresponding to the uplink data quantity indicated by the first indication value.
  • the configuration information sent by the base station is used to configure the user equipment to use the PUCCH format la, and indicate the attributes of the uplink data to be sent according to the indication manner in Table 1 below:
  • the user equipment after receiving the configuration information, the user equipment sends a scheduling request according to the configured mode.
  • the base station receives the scheduling request sent by the user equipment, if the indication information is 0, the base station can directly allocate a copy to the user equipment.
  • the uplink resource of 10 bytes can be transmitted. If the protocol header overhead of the uplink data assembly is considered, the user equipment can be allocated an uplink resource capable of transmitting more than 10 bytes and several bytes, and the allocated uplink resource is passed.
  • the uplink authorization is sent to the user equipment.
  • the user equipment After receiving the uplink grant, the user equipment finds that the uplink resource is sufficient to send the buffered uplink data, and then sends the uplink data that needs to be sent to the base station at one time; and the user equipment is first sent to send the BSR, and the base station allocates the uplink resource again.
  • the scheduling process is performed, thereby saving the transmission delay of the uplink data, and the process of uplink data transmission is centralized, and the physical downlink control information (PDCCH) overhead used when scheduling the uplink resources multiple times is also saved.
  • PDCCH physical downlink control information
  • the configuration information sent by the base station is used to configure the user equipment to adopt the format lb/2/2a/2b of the PUCCH, and the attributes of the uplink data to be sent according to the indication of the indication of the following Table 2:
  • the base station can directly allocate a 20-byte uplink resource to the user equipment. If considering the protocol header overhead when the uplink data is assembled, the user equipment can allocate a number of words that can transmit more than 20 bytes.
  • the uplink resource of the section, and the allocated uplink resource is sent to the user equipment by using the uplink grant.
  • the base station includes the second configuration item in the configuration information when the step 101 is performed, where the second configuration item is used to configure a second indication value of the scheduling request, where the second indication value is used to indicate The priority of the logical channel where the uplink data buffered by the user equipment is located;
  • the base station includes the second indication value in the scheduling request received in step 102.
  • the base station may delay the first time to allocate the uplink resource to the user equipment; if it is determined that the priority of the logical channel where the uplink data buffered by the user equipment indicated by the second indication value is equal to or higher than the set value, the base station may advance the second time The user equipment allocates uplink resources.
  • the base station when receiving the scheduling request, the base station refers to the second indication information included in the scheduling request, and the actual situation of the base station, and then determines whether to delay the time for resource allocation, for example: if the resources of the base station are relatively tight or In the case where the cell load is heavy, and the base station can delay the allocation of uplink resources at an appropriate time, and preferentially allocate uplink resources of other user equipments.
  • the configuration information sent by the base station is used to configure the user equipment to use the PUCCH format la, and indicate the attributes of the cached uplink data to be sent according to the indication manner in Table 3 below:
  • the user equipment after receiving the configuration information, the user equipment sends a scheduling request according to the configured mode.
  • the base station receives the scheduling request sent by the user equipment, if the indication information is 1, the highest priority is cached by the user equipment at this time.
  • the priority of the logical channel of the uplink data is lower than 2. If the resource of the base station is relatively tight and the load of the cell is heavy, the uplink resource of the user equipment can be scheduled for a period of time without affecting the quality of service. (Quality of Service, QoS), preferentially scheduling higher priority data of other user equipments, thereby optimizing scheduling performance of the system;
  • QoS Quality of Service
  • the logical channel of the highest priority uplink data buffered by the user equipment at this time has a priority higher than 2, and the uplink data of the user equipment needs to be preferentially allocated resources. It is assumed here that the smaller the value, the higher the priority, that is, 0 represents the highest priority, and the priority of 1, 2, 3, ... is sequentially lowered.
  • the configuration information sent by the base station is used to configure the user equipment to adopt the PUCCH format lb/2/2a/2b, and indicate the attributes of the cached uplink data to be sent according to the indication manner in Table 4 below:
  • the logical channel priority of the uplink data is >5 11
  • the scheduling request is sent according to the configuration manner.
  • the base station receives the scheduling request sent by the user equipment, if the indication information is 00, the user equipment may delay the user equipment for a certain period of time. Uplink resources are scheduled without affecting their quality of service
  • the base station includes a third configuration item in the configuration information when performing the foregoing step 101, where the third configuration item is used to configure a third indication value of the scheduling request, where the third indication value is used to indicate
  • the type of the logical channel where the uplink data buffered by the user equipment is located is DRB or SRB;
  • the base station may delay the third time to allocate the uplink resource to the user equipment. If it is determined that the type of the logical channel where the uplink data of the user equipment indicated by the third indication value is located is SRB, the base station may allocate the uplink resource to the user equipment for the fourth time in advance.
  • the configuration information sent by the base station is used to configure the user equipment to use the PUCCH format la, and indicate the attributes of the cached uplink data to be sent according to the indication manner in Table 5 below:
  • the user equipment After receiving the configuration information, the user equipment sends a scheduling request according to the manner configured therein.
  • the base station represents the uplink data buffered by the user equipment at this time. It belongs to the DRB. If the resources of the base station are relatively tight and the cell load is heavy, the uplink resources of the user equipment can be scheduled for a period of time without affecting its QoS. The higher priority of other user equipments is preferentially scheduled. Data to optimize the tuning of the system If the indication information in the scheduling request is 1, it needs to preferentially allocate resources for the uplink data of the user equipment.
  • the base station may also configure the user equipment to set an indication value in the sent scheduling request by using the configuration information to indicate two or more attributes of the buffered uplink data, for example:
  • the configuration information sent by the base station is used to configure the user equipment to adopt the PUCCH format lb/2/2a/2b, and indicate the attributes of the cached uplink data to be sent according to the indication manner in Table 6 below:
  • the user equipment after receiving the configuration information, the user equipment sends a scheduling request according to the configured mode.
  • the base station receives the scheduling request sent by the user equipment, if the indication information is 00, the uplink data of the user equipment needs to be preferentially scheduled. Therefore, the scheduling performance of the system is optimized; and the user equipment can be allocated an uplink resource corresponding to the amount of data that can send a preset threshold (or more than a preset threshold).
  • the configuration information sent by the base station is used to configure the user equipment to adopt the PUCCH format lb/2/2a/2b, and indicate the attributes of the cached uplink data to be sent according to the indication manner in Table 7 below: Table 7
  • the uplink data has DRB data, and the SRB data volume 11
  • the user equipment after receiving the configuration information, the user equipment sends a scheduling request according to the configured mode.
  • the base station receives the scheduling request sent by the user equipment, if the indication information is 00, the uplink data of the user equipment needs to be preferentially scheduled. Therefore, the scheduling performance of the system is optimized; and the user equipment can be allocated an uplink resource of the SRB channel corresponding to the amount of data that can send a preset threshold (or more than a preset threshold).
  • the base station when performing the foregoing step 101, the base station includes a fourth configuration item in the configuration information, where the fourth configuration item is used to configure a fourth indication value of the scheduling request, where the fourth indication value is used. Instructing the user equipment that the user equipment has a higher priority than the uplink data that has triggered the buffer status report or that a new buffer status report is triggered during the period from the sending of the last scheduling request to the receipt of the corresponding uplink authorization;
  • the base station receives the fourth indication value in the scheduling request received in step 102, and when the step 104 is performed, if the fourth indication value in the scheduling request changes with respect to the fourth indication value in the last transmitted scheduling request,
  • the uplink resource may be allocated to the user equipment corresponding to the scheduling request of the changed fourth indication value.
  • the user equipment indicates a value of 0 in the sent scheduling request, and the user equipment has a higher priority before receiving the uplink authorization corresponding to the scheduling request sent by the base station.
  • the uplink data arrives or the new BSR is triggered, the user equipment sends the scheduling request again according to the configuration in the configuration information, and changes the indication value to 1; if the user equipment receives the uplink authorization corresponding to the resending scheduling request.
  • the user equipment Before the uplink data arrives at the higher priority or the new BSR is triggered, the user equipment sends the scheduling request again according to the configuration in the configuration information, and changes the indication value to 0; and so on, the base station obtains the scheduling. After the request, the corresponding user equipment can be preferentially scheduled.
  • the user equipment may send multiple scheduling requests when the indication value is changed, for example, sending at least the same scheduling request twice, and then resending the new scheduling request, where the number of scheduling requests is sent. It can be configured in the user equipment or configured by the configuration information sent by the base station.
  • the fourth indication value is included in the reference scheduling request.
  • the base station allocates an uplink resource
  • the fourth indication value is included in the reference scheduling request.
  • the base station when the base station sends the configuration information to the user equipment, and the configuration information includes the scheduling request indicating which attributes of the buffered uplink data, and the scheduling request to use the format of the PUCCH to send information, etc.;
  • the device needs to send a scheduling request, and then sends it according to the configuration information configuration.
  • format 1 is used to send SR
  • format la is used to send 1-bit feedback information
  • format lb is used to send 2-bit feedback information (respectively feedback whether two downlink blocks sent simultaneously are sent Receive success)
  • Format 2a and Format 2b are used to feed back information such as downlink channel quality. If the base station configures the user equipment to send a scheduling request using the format la/lb/2/2a/2b, there may be a situation in which the scheduling request sent by the user equipment conflicts with the transmitted hybrid automatic repeat request ( HARQ ) feedback, that is, it needs to be in the same
  • HARQ hybrid automatic repeat request
  • the user equipment needs to determine whether the scheduling request will be conflicted with the feedback information when sending the scheduling request in these formats. If the conflict occurs, the scheduling request is sent according to the existing scheme; If the transmission is not in the same sub-frame, the scheduling request will be sent according to the configuration information configuration.
  • the base station knows when the user equipment sends HARQ feedback and reports the channel quality information, the scheduling request and the feedback message conflict. The base station also correctly understands the meaning of the information sent by the user equipment.
  • the embodiment of the present invention further provides another method for uplink scheduling. This embodiment is a method performed by a user equipment.
  • the flowchart is as shown in FIG. 3, and includes:
  • Step 201 Receive configuration information sent by the base station, where the configuration information is used to configure a manner in which the scheduling request sent by the user equipment indicates the attribute of the buffered uplink data.
  • the base station can send the configuration information by using a message such as an RRC message or a broadcast message, and the manner that the scheduling request configured in the configuration information indicates the attribute of the buffered uplink data may include: using the set indication value in the scheduling request to indicate the following Any one or more kinds of information: the amount of uplink data buffered by the user equipment; the logical channel priority of the uplink data buffered by the user equipment; the type of the logical channel where the uplink data of the user equipment is located; when the user equipment sends the scheduling request to receive During the corresponding uplink grant period, the user equipment has an uplink data with a higher priority than the uplink data that has triggered the buffer status, or a new buffer status report is triggered.
  • a message such as an RRC message or a broadcast message
  • the manner that the scheduling request configured in the configuration information indicates the attribute of the buffered uplink data may include: using the set indication value in the scheduling request to indicate the following Any one or more kinds of information: the amount of uplink data buffered
  • the configuration information may also be configured to configure a physical uplink control channel used by the user equipment to send a scheduling request. Information such as the type and number of times.
  • Step 202 Send a scheduling request to the base station according to the configuration information of the configuration information, where the scheduling request includes indication information indicating an attribute of the uplink data buffered by the user equipment, so that the base station allocates the uplink to the user equipment according to the indication information included in the scheduling request. Resources.
  • the user equipment may determine the attribute information of the uplink data that needs to be sent by the user equipment according to the configuration information, and use the configured indication value to indicate the attribute information, and carry the indication value in the scheduling request. Transmitted to the base station.
  • the user equipment can use an indication value set to indicate the amount of uplink data buffered by the user equipment; or indicate the logical channel priority of the buffered uplink data; or information indicating the type of the logical channel where the buffered uplink data is located.
  • the configuration information includes the format of the physical uplink control channel used by the user equipment to send the scheduling request
  • the user equipment may send according to the format configured in the configuration information; if the configuration information does not include the format information,
  • the sending of the scheduling request may be performed in a default format, where the default format may be fixed in the protocol, or the user equipment and the base station may be agreed in other manners.
  • the user equipment receives the configuration information sent by the base station, where the configuration information is used to configure the manner in which the scheduling request sent by the user equipment indicates the attribute of the cached uplink data.
  • the scheduling request may be sent according to the configuration information of the configuration information. And indicating the attribute information of the uplink data by using the indication information in the scheduling request.
  • the user equipment may indicate that the uplink data needs to be sent when the scheduling request is sent, and may also indicate the specific attribute information of the sent uplink data, so that the base station allocates the uplink resource, that is, the uplink data scheduling, after receiving the scheduling request.
  • An embodiment of the present invention provides a base station, and a schematic structural diagram is shown in FIG. 4, including:
  • the configuration sending unit 10 is configured to send configuration information to the user equipment, where the configuration information is used to configure a manner in which the scheduling request sent by the user equipment indicates an attribute of the cached uplink data.
  • the manner in which the scheduling request configured by the configuration information indicates that the attribute of the uplink data is cached may include: using the set indication value in the scheduling request to indicate any one or more of the following information: the amount of uplink data buffered by the user equipment; The priority of the logical channel where the uplink data is located; the type of the logical channel where the uplink data of the user equipment is located; during the time when the user equipment sends the scheduling request to receive the corresponding uplink grant, the user equipment has the priority of the uplink data that has been triggered by the buffer status report. Higher uplink Data arrives or a new cache status report is triggered, etc.
  • the configuration information may also be configured with parameters such as a physical uplink control channel format used by the user equipment to send a scheduling request and a number of times the scheduling request is sent.
  • the scheduling receiving unit 20 is configured to receive a scheduling request that is sent by the user equipment according to the configuration information sent by the configuration sending unit 10, where the scheduling request includes indication information indicating an attribute of the uplink data buffered by the user equipment;
  • the scheduling unit 30 is configured to allocate an uplink resource to the user equipment according to the indication information included in the scheduling request received by the scheduling receiving unit 20.
  • the configuration sending unit 10 is configured to notify the user equipment of the configuration information, where the configuration information is used to configure a manner in which the scheduling request sent by the user equipment indicates the attribute of the buffered uplink data; when the scheduling receiving unit 20 receives the user.
  • the scheduling unit 30 allocates an uplink resource to the user equipment according to the indication information therein.
  • the user equipment may indicate that the uplink data needs to be sent when the scheduling request is sent, and may also indicate the specific attribute information of the sent uplink data, so that the base station can accurately and accurately refer to the user when performing uplink resource allocation, that is, scheduling of the uplink data.
  • the information about the uplink data that the device needs to send so that the scheduling of the uplink data source of the user equipment by the base station is timely and accurate, thereby improving the scheduling performance of the uplink data.
  • the scheduling unit 30 of the base station in this embodiment specifically includes: a data amount allocating unit 301, configured to allocate, to the user equipment, the first scheduling request received by the scheduling receiving unit.
  • a data amount allocating unit 301 configured to allocate, to the user equipment, the first scheduling request received by the scheduling receiving unit.
  • the configuration information sent by the configuration sending unit 10 includes a first configuration item, where the first configuration item is used to configure a first indication value of the scheduling request, and the scheduling request received by the scheduling receiving unit 20 includes the first indication.
  • the value, and the data amount allocating unit 301 allocates an uplink resource corresponding to the uplink data amount indicated by the first indication value to the user equipment.
  • the scheduling unit 30 of the base station specifically includes: a first delay allocation unit 302 and/or a first early allocation unit 303, where:
  • the first delay allocating unit 302 is configured to determine that the priority of the logical channel where the uplink data buffered by the user equipment indicated by the second indication value included in the scheduling request received by the scheduling receiving unit 20 is lower than the set value, and delay the first time Allocating an uplink resource to the user equipment, where the second indication value is used to indicate a logical channel priority of the uplink data buffered by the user equipment;
  • the first pre-allocation unit 303 is configured to determine that the priority of the logical channel where the uplink data buffered by the user equipment indicated by the second indication value is equal to or higher than the set value, and allocate the uplink resource to the user equipment for the second time in advance.
  • the configuration information sent by the configuration sending unit 10 includes a second configuration item, where the second configuration item is used to configure a second indication value of the scheduling request;
  • the first delay allocation unit 302 delays the first time to allocate uplink resources to the user equipment, and the first early allocation unit 303 allocates uplink resources to the user equipment in advance second time.
  • the scheduling unit 30 of the base station can include a second delay allocation unit 304 and/or a second early allocation unit 305:
  • the second delay allocating unit 304 is configured to determine that the type of the logical channel where the uplink data buffered by the user equipment indicated by the third indication value included in the scheduling request received by the scheduling receiving unit 20 is the data radio bearer DRB, and delays the third time. Allocating an uplink resource to the user equipment, where the third indication value is used to indicate that the type of the logical channel where the uplink data buffered by the user equipment is the data radio bearer DRB or the signaling radio bearer SRB;
  • the second pre-allocation unit 305 is configured to allocate uplink resources to the user equipment four times in advance when determining that the type of the logical channel in which the uplink data of the user equipment buffer indicated by the third indication value is the signaling radio bearer SRB.
  • the configuration information sent by the configuration sending unit 10 includes a third configuration item, where the third configuration item is used to configure a third indication value of the scheduling request;
  • the third indication value is; and the second delay allocation unit 304 delays the third time to allocate the uplink resource to the user equipment, and the second advance allocation unit 305 allocates the uplink resource to the user equipment in advance four times.
  • the priority allocation unit 306 is configured to: the fourth indication value included in the scheduling request received by the scheduling receiving unit 20 is changed with respect to the fourth indication value in the scheduling request sent last time, and the priority is a scheduling including the fourth indication value that is changed.
  • the user equipment corresponding to the request allocates an uplink resource, where the fourth indication value is used to indicate that the user equipment has a higher priority than the uplink data that has been triggered by the status buffer report, from the time the last scheduling request is sent to the time when the corresponding uplink authorization is received. A higher level of upstream data is reached or a new cache status report is triggered.
  • the configuration information sent by the configuration sending unit 10 includes a fourth configuration item, where the fourth configuration item is used to configure a fourth indication value of the scheduling request, and the scheduling request received by the scheduling receiving unit 20 includes a fourth indication value.
  • the priority allocation unit 306 preferentially corresponds to the scheduling request including the changed fourth indication value.
  • User equipment allocates uplink resources.
  • the embodiment of the present invention further provides a user equipment.
  • the structure of the user equipment is as shown in FIG. 7.
  • the configuration includes: a configuration receiving unit 20, configured to receive configuration information sent by a base station, where the configuration information is used to configure a scheduling request sent by the user equipment to indicate a cache. The way the attributes of the upstream data are;
  • the scheduling request sending unit 21 is configured to send a scheduling request to the base station according to the configuration information configured by the configuration receiving unit 20, where the scheduling request includes indication information indicating an attribute of the uplink data buffered by the user equipment, so that the base station according to the scheduling The indication information included in the request allocates uplink resources to the user equipment.
  • the configuration receiving unit 20 receives the configuration information sent by the base station, where the configuration information is used to configure a manner in which the scheduling request sent by the user equipment indicates the attribute of the buffered uplink data.
  • the scheduling request sending unit 21 may The configuration information sends a scheduling request, and the indication information indicates the attribute information of the uplink data in the scheduling request.
  • the user equipment may indicate that the uplink data needs to be sent when the scheduling request is sent, and may also indicate the specific attribute information of the sent uplink data, so that the base station allocates the uplink resource, that is, the uplink data scheduling, after receiving the scheduling request.
  • the scheduling of the data of the uplink user equipment by the base station is timely and accurate, thereby improving the scheduling performance of the uplink data.
  • the embodiment of the present invention further provides a scheduling system for uplink data, including a user equipment and a base station, wherein the structure of the base station is as shown in any one of FIG. 4 to FIG. 6; the structure of the user equipment is as shown in FIG. 7.
  • the base station and the user equipment in the scheduling system of the uplink data perform scheduling of uplink data of the user equipment according to the method shown in FIG. 2 and 3.
  • the program can be stored in a computer readable storage medium.
  • the storage medium can include: Read only memory (ROM), random access memory (RAM), magnetic or optical disk, and the like.

Description

一种上行数据的调度方法、 系统及装置 本申请要求于 2011年 3月 11 日提交的, 申请号为 201 1100591 33. 2 , 发明 名称为 "一种上行数据的调度方法、 系统及装置" 的中国申请的优先权, 其全 部内容通过引用结合在本申请中。 技术领域
本发明涉及通信技术领域, 特别涉及上行数据的调度方法、 系统及装置。 背景技术
在通信系统中, 如在长期演进 ( Long Term Evolution, LTE ) 网络系统中, 基站,如在 LTE网络中的演进基站( evolved Node B , eNB )可以为用户设备( User Equipment, UE )分配在空口传输下行数据和上行数据所使用的资源。 基站可以 直接为 UE分配下行资源,调度用户设备接收下行数据; 而对于用户设备的上行 资源分配, 基站先获得用户设备的待发送数据的数据量信息, 然后能为用户设 备分配合适的上行资源。
具体地, 参考图 1 所示, 基站在进行上行资源分配, 即上行调度, 时, 可 以通过如下的方法来实现:
1、 用户设备有上行数据需要发送时, 会发送緩存状态报告 ( Buffer Status Report, BSR )给基站, 告诉基站緩存的上行数据量, 但是如果没有上行资源发 送 BSR, 则会先发送调度请求(Scheduling Request, SR )给基站进行上行资源 分配, 并在 SR中指示该用户设备有上行数据需要发送。
2、 基站收到 SR后, 判断出用户设备有上行数据需要发送, 向用户设备发 送第一上行授权(UL Grant ), 通知该用户设备基站为该用户设备分配的第一上 行资源, 且该第一上行资源是用来发送 BSR的, 也可以传输部分或全部数据。
3、 用户设备收到第一上行授权后, 在基站为其分配的第一上行资源上发送 BSR给基站, 告诉基站緩存的上行数据量。
4、基站收到 BSR后, 知道用户设备的上行数据量, 向用户设备发送第二上 行授权, 通知该基站为用户设备分配的第二上行资源, 该第二上行资源是用来 传输上行数据的。
5、 用户设备收到第二上行授权后, 在基站为其分配的第二上行资源上进行 上行数据的传输; 用户设备也可能在该第二上行资源上发送填充 BSR。
上述现有上行资源分配过程中, 基站需要发送两次上行授权分别分配用户 设备发送 BSR和上行数据的资源,这样使得基站分配的上行资源不够及时准确。 发明内容
本发明实施例提供的上行数据的调度方法、 系统及装置, 使得基站对上行 资源的分配及时准确, 从而提高了上行数据的调度性能。
本发明实施例提供一种上行数据的调度方法, 包括:
发送配置信息给用户设备, 所述配置信息用来配置所述用户设备发送的调 度请求表示緩存的上行数据的属性的方式;
接收所述用户设备根据所述配置信息发送的调度请求, 所述调度请求中包 含指示所述用户设备緩存的上行数据的属性的指示信息;
根据所述调度请求中包含的指示信息, 为所述用户设备分配上行资源。 本发明实施例提供一种上行调度方法, 包括:
接收基站发送的配置信息, 所述配置信息用来配置用户设备发送的调度请 求表示緩存的上行数据的属性的方式;
按照所述配置信息配置的方式, 发送调度请求给所述基站, 所述调度请求 中包含指示所述用户设备緩存的上行数据的属性的指示信息, 以便所述基站根 据所述调度请求中包含的指示信息, 为所述用户设备分配上行资源。
本发明实施例提供一种基站, 包括:
配置发送单元, 用于发送配置信息给用户设备, 所述配置信息用来配置所 述用户设备发送的调度请求表示緩存的上行数据的属性的方式;
调度接收单元, 用于接收所述用户设备根据所述配置发送单元发送的配置 信息发送的调度请求, 所述调度请求中包含指示所述用户设备緩存的上行数据 的属性的指示信息;
调度单元, 用于根据所述调度接收单元接收的调度请求中包含的指示信息, 为所述用户设备分配上行资源。
本发明实施例提供一种用户设备, 包括:
配置接收单元, 用于接收基站发送的配置信息, 所述配置信息用来配置用 户设备发送的调度请求表示緩存的上行数据的属性的方式;
调度请求发送单元, 用于按照所述配置接收单元接收的配置信息配置的方 式, 发送调度请求给所述基站, 所述调度请求中包含指示所述用户设备緩存的 上行数据的属性的指示信息; 以便所述基站根据所述调度请求中包含的指示信 息, 为所述用户设备分配上行资源。
可见, 本发明实施例中, 基站将配置信息告知用户设备, 该配置信息用来 配置用户设备发送的调度请求表示緩存的上行数据的属性的方式; 当基站接收 到用户设备发送的调度请求, 该调度请求为该用户设备根据该配置信息发送的, 根据该调度请求中的指示信息, 为用户设备分配上行资源。 这样用户设备在发 送调度请求时可以指示有上行数据需要发送, 而且可以指示发送的上行数据的 具体属性信息, 使得基站在进行上行资源分配, 即上行调度时, 可以及时精确 地参考用户设备需要发送的上行数据的信息, 这样会使得基站对用户设备的上 行数据的调度及时准确, 从而提高了上行数据的调度性能。 附图说明 为了更清楚地说明本发明实施例或现有技术中的技术方案, 下面将对实施 例或现有技术描述中所需要使用的附图作筒单地介绍, 显而易见地, 下面描述 中的附图仅仅是本发明的一些实施例, 对于本领域普通技术人员来讲, 在不付 出创造性劳动性的前提下, 还可以根据这些附图获得其他的附图。
图 1是基站对用户设备进行上行数据的调度的方法流程图;
图 2是本发明实施例提供的一种上行数据的调度的方法流程图;
图 3是本发明实施例提供的一种上行数据的调度的方法流程图;
图 4是本发明实施例提供的一种基站的结构示意图;
图 5是本发明实施例提供的另一种基站的结构示意图;
图 6是本发明实施例提供的另一种基站的结构示意图;
图 7是本发明实施例提供的一种用户设备的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图, 对本发明实施例中的技术方案进行清 楚、 完整地描述, 显然, 所描述的实施例仅仅是本发明一部分实施例, 而不是 全部的实施例。 基于本发明中的实施例, 本领域普通技术人员在没有作出创造 性劳动前提下所获得的所有其他实施例, 都属于本发明保护的范围。 本发明实施例提供的一种上行数据的调度方法, 主要是适用于基站对用户 设备的上行数据的调度(即上行资源的分配), 本实施例的方法是基站侧所执行 的方法, 流程图如图 2所示, 包括:
步骤 101 , 发送配置信息给用户设备, 该配置信息是用来配置用户设备发送 的调度请求表示緩存的上行数据的属性的方式;
本实施例中基站可以将配置信息携带在无线资源控制 (Radio Resource Control, RRC ) 消息的已有信元, 或新增信元, 或已有信元的某些字段告知用 户设备, 这里 RRC消息可以为无线资源控制连接建立 ( RRC Connection Setup ) 消息, 或无线资源控制连接重配置( RRC Connection Reconfiguration )消息, 或 无线资源控制连接重建立( RRC Connection Reestablishment )消息等。 基站也可 以将配置信息携带在广播消息中告知小区内所有用户设备。 基站还可以用其它 的消息将配置信息告知用户设备, 具体的形式并不构成对本发明的限制。
这里上行数据的属性是指上行数据本身所具有的特性, 比如上行数据量, 上行数据所在逻辑信道(Logical Channel, LCH )的信息, 比如 LCH的优先级信 息, 和 LCH的类型信息等; 而基站配置的用户设备发送的调度请求表示緩存的 上行数据的属性的方式可以包括下述方式中的至少一个: 用户设备在发送的调 度请求中表示上行数据属性的指示信息, 用户设备发送调度请求使用的物理上 行控制信道的格式, 和发送调度请求的次数等, 例如:
基站可以配置用户设备发送调度请求时, 用设置的指示值来指示如下信息 的至少一个: 用户设备緩存的上行数据量; 緩存的上行数据所在逻辑信道的优 先级; 緩存的上行数据所在逻辑信道的类型, 比如是数据无线承载(Data Radio Bearer, DRB )或信令无线承载( Signaling Radio Bearer, SRB ); 用户设备从发 送调度请求到接收到对应的上行授权期间, 该用户设备有比已经触发緩存状态 报告 (以下筒称 BSR )的上行数据优先级更高的上行数据到达或有新的 BSR被触 发等。
基站可以通过配置信息配置用户设备使用物理上行控制信道( Physical Uplink Control Channel, PUCCH ) 的格式(Format ) 1 , 或格式 la, 或格式 lb, 或格式 2, 或格式 2a, 或格式 2b等格式进行发送调度请求, 还可以定义新的格式, 本发明实施例不做唯一限制。 步骤 102, 接收用户设备根据配置信息发送的调度请求, 在调度请求中包含 指示用户设备緩存的上行数据的属性的指示信息;
可以理解, 当用户设备接收到基站发送的配置信息后, 如果有上行数据需 要发送且触发了 BSR, 如果没有上行资源发送 BSR, 则触发调度请求。 在发送调 度请求时, 用户设备是按照配置信息来发送调度请求, 可以包括用什么格式来 发送调度请求, 和用什么指示值来表示緩存的需要发送的上行数据等。
步骤 103, 根据调度请求中包含的指示信息, 为用户设备分配上行资源。 基站接收到用户设备发送的调度请求中的指示信息, 是用来指示用户设备 緩存的需要发送的上行数据的属性信息, 则在进行分配上行资源时, 具体地: 如果指示信息指示緩存的上行数据量的范围, 则可以为用户设备分配与该上行 数据量的范围相应的上行资源; 如果指示信息指示緩存的上行数据所在逻辑信 道的优先级较低, 则可以延迟一定的时间为该上行数据分配上行资源; 如果指 示信息指示有优先级更高的上行数据到达, 则可以优先为有优先级更高的上行 数据的用户设备分配资源等。
基站在分配了上行资源后, 通过上行授权发送给用户设备, 用户设备在接 收到上行授权后, 如果基站分配的上行资源足够发送緩存的所有上行数据时, 用户设备可以直接发送上行数据; 如果不够发送緩存的上行数据, 则用户设备 先发送 BSR, 还可以包括部分上行数据。
可见, 本发明实施例中, 基站将配置信息告知用户设备, 该配置信息用来 配置用户设备发送的调度请求表示緩存的上行数据的属性的方式; 当基站接收 到用户设备根据该配置信息发送的调度请求, 根据其中的指示信息, 为用户设 备分配上行资源。 这样用户设备在发送调度请求时可以指示有上行数据需要发 送, 而且还可以指示发送的上行数据的具体属性信息, 使得基站在进行上行资 源分配, 即上行数据的调度时, 可以及时精确地参考用户设备需要发送的上行 数据的信息, 这样会使得基站对上行用户设备的数据的调度及时准确, 从而提 高了调度的性能。
在一个具体的实施例中, 基站在执行上述步骤 101时在配置信息中包含第一 配置项, 其中第一配置项用来配置调度请求的第一指示值, 该第一指示值用于 指示用户设备緩存的上行数据量;
则基站在步骤 102接收的调度请求中包含第一指示值, 则在执行上述步骤 101时, 可以为用户设备分配与第一指示值所指示的上行数据量相应的上行资 源。
例如: 基站发送的配置信息, 用来配置用户设备采用 PUCCH的格式 la, 并按照如下表 1的指示方式指示緩存的需要发送的上行数据的属性:
表 1
Figure imgf000008_0002
这样, 当用户设备接收到配置信息后, 根据其中配置的方式发送调度请求; 当基站接收到用户设备发送的调度请求后, 如果其中的指示信息为 0, 则基站可 以直接为用户设备分配一份能传输 10个字节的上行资源, 如果考虑当上行数据 组装时的协议头开销, 可以为用户设备分配一份能传输多于 10字节若干字节的 上行资源, 并将分配的上行资源通过上行授权发送给用户设备。
当用户设备接收到上行授权后, 发现其中分配的上行资源足够发送緩存的 上行数据, 则将需要发送的上行数据一次发送给基站; 而省去了用户设备先发 送 BSR, 由基站再次分配上行资源进行调度的过程,从而节省了上行数据的传输 时延, 筒化了上行数据传输的过程, 同时也节省了多次调度上行资源时使用的 物理下行控制信息(PDCCH )开销。
又例如: 基站发送的配置信息, 用来配置用户设备采用 PUCCH的格式 lb/2/2a/2b, 并按照如下表 2的指示方 緩存的需要发送的上行数据的属性:
Figure imgf000008_0001
Figure imgf000008_0003
这样, 当基站接收到用户设备发送的调度请求后, 如果其中的指示信息为
01 , 则基站可以直接为用户设备分配一份能传输 20个字节的上行资源, 如果考 虑当上行数据组装时的协议头开销, 可以为用户设备分配一份能传输多于 20字 节若干字节的上行资源, 并将分配的上行资源通过上行授权发送给用户设备。 在另一个具体的实施例中, 基站在执行上述步骤 101时在配置信息中包含第 二配置项, 其中第二配置项用来配置调度请求的第二指示值, 该第二指示值用 于指示用户设备緩存的上行数据所在逻辑信道的优先级;
则基站在步骤 102接收的调度请求中包含第二指示值, 在执行步骤 103的资 源分配时, 如果确定第二指示值指示的用户设备緩存的上行数据所在逻辑信道 的优先级低于设置值, 则基站可以延迟第一时间为用户设备分配上行资源; 如 果确定第二指示值所指示的用户设备緩存的上行数据所在逻辑信道的优先级等 于或高于设置值, 则基站可以提前第二时间为用户设备分配上行资源。
需要说明的是, 基站在接收到调度请求时, 是参考调度请求中包含的第二 指示信息, 及该基站的实际情况再确定是否要延迟时间进行资源分配, 比如: 如果基站的资源比较紧张或是小区负载较重等情况, 且基站可以延迟适当的时 间进行上行资源的分配, 而优先分配其他用户设备的上行资源。
例如: 基站发送的配置信息, 用来配置用户设备采用 PUCCH的格式 la, 并按照如下表 3的指示方式指示緩存的需要发送的上行数据的属性:
表 3
Figure imgf000009_0001
这样, 当用户设备接收到配置信息后, 根据其中配置的方式发送调度请求; 当基站接收到用户设备发送的调度请求后, 如果其中的指示信息为 1 , 则代表用 户设备此时緩存的最高优先级的上行数据所在逻辑信道的优先级低于 2, 如果此 时基站的资源比较紧张, 小区负载比较重, 则可以适当延迟一段时间对该用户 设备的上行资源进行调度, 而不影响其服务质量(Quality of Service, QoS ), 优 先调度其它用户设备的更高优先级的数据, 从而优化系统的调度性能;
如果调度请求中的指示信息为 0, 则代表用户设备此时緩存的最高优先级的 上行数据所在逻辑信道的优先级高于 2, 需要优先为该用户设备的上行数据分配 资源。 这里假设数值越小, 优先级越高, 即 0代表优先级最高, 1 , 2, 3 , …优 先级依次降低。
又例如: 基站发送的配置信息, 用来配置用户设备采用 PUCCH的格式 lb/2/2a/2b, 并按照如下表 4的指示方式指示緩存的需要发送的上行数据的属性: 上行数据所在逻辑信道的优先级范围 发送的 SR中的指示值 上行数据所在逻辑信道优先级<=1 00
1<上行数据所在逻辑信道优先级<=3 01
3<上行数据所在逻辑信道优先级<=5 10
上行数据所在逻辑信道优先级>5 11
这样, 当用户设备接收到配置信息后, 根据其中配置的方式发送调度请求; 当基站接收到用户设备发送的调度请求后, 如果其中的指示信息为 00, 则可以 适当延迟一段时间对该用户设备的上行资源进行调度, 而不影响其服务质量
( Quality of Service, QoS ), 优先调度其它用户设备的更高优先级的数据, 从而 优化系统的调度性能。 在另一个具体的实施例中, 基站在执行上述步骤 101时在配置信息中包含第 三配置项, 其中第三配置项用来配置调度请求的第三指示值, 该第三指示值用 于指示用户设备緩存的上行数据所在逻辑信道的类型是 DRB或 SRB;
则基站在步骤 102接收的调度请求中包含第三指示值, 则在执行步骤 103的 资源分配时, 如果确定第三指示值指示的用户设备緩存的上行数据所在逻辑信 道的类型为 DRB时, 则基站可以延迟第三时间为用户设备分配上行资源; 如果 确定第三指示值指示的用户设备緩存的上行数据所在逻辑信道的类型为 SRB时, 则基站可以提前第四时间为用户设备分配上行资源。
例如: 基站发送的配置信息, 用来配置用户设备采用 PUCCH的格式 la, 并按照如下表 5的指示方式指示緩存的需要发送的上行数据的属性:
表 5
Figure imgf000010_0001
这样, 当用户设备接收到配置信息后, 根据其中配置的方式发送调度请求; 当基站接收到用户设备发送的调度请求后, 如果其中的指示信息为 0, 则代表用 户设备此时緩存的上行数据是属于 DRB, 如果此时基站的资源比较紧张, 小区 负载比较重, 则可以适当延迟一段时间对该用户设备的上行资源进行调度, 而 不影响其 QoS,优先调度其它用户设备的更高优先级的数据,从而优化系统的调 度性能; 如果调度请求中的指示信息为 1 , 则需要优先为该用户设备的上行数据 分配资源。
需要说明的是, 基站也可以通过配置信息配置用户设备在发送的调度请求 中设置一个指示值, 来指示緩存的上行数据的两个以上的属性, 例如:
基站发送的配置信息, 用来配置用户设备采用 PUCCH的格式 lb/2/2a/2b, 并按照如下表 6的指示方式指示緩存的需要发送的上行数据的属性:
Figure imgf000011_0001
这样, 当用户设备接收到配置信息后, 根据其中配置的方式发送调度请求; 当基站接收到用户设备发送的调度请求后, 如果其中的指示信息为 00, 则需要 优先调度该用户设备的上行数据, 从而优化系统的调度性能; 且可以为该用户 设备分配一份能发送预置门限值(或多于预置门限值若干字节) 的数据量对应 的上行资源。
又例如: 基站发送的配置信息, 用来配置用户设备采用 PUCCH 的格式 lb/2/2a/2b,并按照如下表 7的指示方式指示緩存的需要发送的上行数据的属性: 表 7
Figure imgf000011_0002
<=配置的门限值
上行数据有 DRB的数据, 且 SRB的数据量 11
>配置的门限值
这样, 当用户设备接收到配置信息后, 根据其中配置的方式发送调度请求; 当基站接收到用户设备发送的调度请求后, 如果其中的指示信息为 00, 则需要 优先调度该用户设备的上行数据, 从而优化系统的调度性能; 且可以为该用户 设备分配一份能发送预置门限值(或多于预置门限值若干字节) 的数据量对应 的 SRB信道的上行资源。 在又一个具体的实施例中, 在执行上述步骤 101时, 基站在配置信息中包含 第四配置项, 该第四配置项用来配置调度请求的第四指示值, 该第四指示值用 于指示用户设备从发送上次调度请求到接收到对应的上行授权期间, 该用户设 备有比已经触发緩存状态报告的上行数据优先级更高的上行数据到达或有新的 緩存状态报告被触发;
则基站在步骤 102中接收的调度请求中包含第四指示值, 在执行步骤 104时, 如果该调度请求中的第四指示值相对于上次发送的调度请求中的第四指示值发 生变化, 则可以优先为变化的第四指示值的调度请求所对应的用户设备分配上 行资源。
例如: 基站发送的配置信息中包含第四配置项, 则用户设备在发送的调度 请求中指示值为 0, 如果在用户设备接收到基站发送的该调度请求对应的上行授 权之前,有更高优先级的上行数据到达或新的 BSR被触发,则用户设备按照配置 信息中的配置再次发送调度请求, 且改变其中的指示值为 1; 如果在用户设备接 收到再次发送的调度请求对应的上行授权之前, 又有更高优先级的上行数据到 达或新的 BSR被触发,则用户设备按照配置信息中的配置再次发送调度请求,且 改变其中的指示值为 0; 依次类推, 基站在获得该调度请求后, 可以优先调度相 应的用户设备。
而为了避免用户设备发送的调度请求被丢掉, 用户设备可以在改变指示值 时发送多次调度请求, 例如至少发送两次相同的调度请求, 才能改发新的调度 请求, 其中发送调度请求的次数可以设置在用户设备中或者通过基站发送的配 置信息进行配置。
需要说明的是, 基站分配上行资源时, 在参考调度请求中包含第四指示值 的同时, 还可以考虑该基站接收的调度请求对应用户设备的实际情况, 如用户 设备建立的业务的 QoS属性, 小区的负载, 用户设备的信道条件等, 再确定优先 为哪个用户设备分配上行资源。 在其它具体的实施例中, 当基站将配置信息发送给用户设备, 且其中的配 置信息包括调度请求指示緩存的上行数据哪些属性, 及调度请求使用 PUCCH的 哪种格式来发送等信息; 如果用户设备需要发送调度请求, 则按照配置信息配 置的方式进行发送。
由于 PUCCH的不同格式的作用都不同, 其中: 格式 1用于发送 SR; 格式 la 用于发送 1比特反馈信息; 格式 lb用于发送 2比特反馈信息 (分别反馈同时发送 的 2个下行数据块是否接收成功); 格式 2, 格式 2a和格式 2b用于反馈下行信道质 量等信息。 如果基站配置用户设备使用格式 la/lb/2/2a/2b发送调度请求时, 可能 会出现用户设备发送的调度请求与发送的混合自动重传请求( HARQ )反馈沖突 的情况, 即需要在同一个子帧发送调度请求和 HARQ反馈消息, 为了保证信息传 输质量, 用户设备需要确定用这些格式发送调度请求时是否会和反馈信息沖突, 如果沖突, 则按照现有的方案发送调度请求; 如果不沖突, 即不在同一个子帧 传输, 则才会按照配置信息配置的方式发送调度请求; 由于基站是知道用户设 备何时发送 HARQ反馈,何时上报信道质量信息,所以在发送调度请求和反馈消 息发生沖突时, 基站也会正确理解用户设备发送信息的含义。 本发明实施例还提供另一种上行调度的方法, 本实施例是用户设备所执行 的方法, 流程图如图 3所示, 包括:
步骤 201 , 接收基站发送的配置信息, 该配置信息用来配置用户设备发送的 调度请求表示緩存的上行数据的属性的方式;
可以理解, 基站可以通过 RRC消息或广播消息等消息来发送配置信息, 且 配置信息中配置的调度请求表示緩存的上行数据的属性的方式可以包括: 在调 度请求中用设置的指示值来指示如下任一种或多种信息: 用户设备緩存的上行 数据量; 用户设备緩存的上行数据所在逻辑信道优先级; 用户设备緩存的上行 数据所在逻辑信道的类型; 在用户设备从发送调度请求到接收到对应的上行授 权期间, 用户设备有比已触发緩存状态的上行数据优先级更高的上行数据到达 或有新的緩存状态报告被触发。
配置信息还可以配置用户设备发送调度请求使用的物理上行控制信道的格 式和次数等信息。
步骤 202, 按照配置信息配置的方式, 发送调度请求给基站, 在调度请求中 包含指示用户设备緩存的上行数据的属性的指示信息; 以便基站根据调度请求 中包含的指示信息, 为用户设备分配上行资源。
则用户设备在发送调度请求时, 可以根据配置信息配置的方式, 确定用户 设备緩存的需要发送的上行数据的属性信息, 并采用配置的指示值来指示这些 属性信息, 将指示值携带在调度请求中发送给基站。 比如: 用户设备可以用设 置的一个指示值来指示用户设备緩存的上行数据量; 或指示緩存的上行数据所 在逻辑信道优先级; 或指示緩存的上行数据所在逻辑信道的类型等信息。
如果配置信息中包含用户设备发送调度请求使用的物理上行控制信道的格 式,, 则在发送调度请求时, 用户设备可以按照配置信息中配置的格式发送; 如 果配置信息中没有包含格式信息, 则在发送调度请求时可以采用缺省格式进行 发送, 其中该缺省格式可以在协议中固定配置, 也可以通过其它方式使得用户 设备和基站达成一致。
本发明实施例中, 用户设备接收到基站发送的配置信息, 该配置信息用来 配置用户设备发送的调度请求表示緩存的上行数据的属性的方式; 可以根据该 配置信息配置的方式发送调度请求, 并在调度请求中用指示信息指示上行数据 的属性信息。 这样用户设备在发送调度请求时可以指示有上行数据需要发送, 而且还可以指示发送的上行数据的具体属性信息, 使得基站在接收到调度请求 后, 为用户设备分配上行资源, 即上行数据的调度时, 可以及时精确地参考用 户设备需要发送的上行数据的信息, 这样会使得基站对上行用户设备的数据的 调度及时准确, 从而提高了上行数据的调度的性能。 本发明实施例提供一种基站, 结构示意图如图 4所示, 包括:
配置发送单元 10, 用于发送配置信息给用户设备, 所述配置信息用来配置 所述用户设备发送的调度请求表示緩存的上行数据的属性的方式;
这里配置信息配置的调度请求表示緩存上行数据的属性的方式可以包括: 在调度请求中用设置的指示值来指示如下任一种或多种信息: 用户设备緩存的 上行数据量; 用户设备緩存的上行数据所在逻辑信道优先级; 用户设备緩存的 上行数据所在逻辑信道的类型; 在用户设备从发送调度请求到接收到对应的上 行授权期间, 用户设备有比已触发緩存状态报告的上行数据优先级更高的上行 数据到达或有新的緩存状态报告被触发等。
在配置信息中还可以配置用户设备发送调度请求所使用的物理上行控制信 道格式和发送调度请求的次数等参数。
调度接收单元 20, 用于接收所述用户设备根据所述配置发送单元 10发送的 配置信息发送的调度请求, 所述调度请求中包含指示所述用户设备緩存的上行 数据的属性的指示信息;
调度单元 30, 用于根据所述调度接收单元 20接收的调度请求中包含的指示 信息, 为所述用户设备分配上行资源。
本发明实施例的基站中, 通过配置发送单元 10将配置信息告知用户设备, 该配置信息用来配置用户设备发送的调度请求表示緩存的上行数据的属性的方 式; 当调度接收单元 20接收到用户设备根据该配置信息发送的调度请求, 由调 度单元 30根据其中的指示信息, 为用户设备分配上行资源。 这样用户设备在发 送调度请求时可以指示有上行数据需要发送, 而且还可以指示发送的上行数据 的具体属性信息, 使得基站在进行上行资源分配, 即上行数据的调度时, 可以 及时精确地参考用户设备需要发送的上行数据的信息, 这样会使得基站对用户 设备的上行数据源的调度及时准确, 从而提高了上行数据的调度的性能。
参考图 4所示, 在一个具体的实施例中, 本实施例中的基站的调度单元 30具 体包括: 数据量分配单元 301 , 用于为用户设备分配与调度接收单元接收的调度 请求中第一指示值所指示的上行数据量相应的上行资源, 该第一指示值用于指 示用户设备緩存的上行数据量;
本实施例中, 当配置发送单元 10发送的配置信息中包含第一配置项, 该第 一配置项用来配置调度请求第一指示值; 则调度接收单元 20接收的调度请求中 包含第一指示值, 并由数据量分配单元 301为用户设备分配与第一指示值所指示 的上行数据量相应的上行资源。
在另一个具体的实施例中, 基站的调度单元 30具体包括: 第一延迟分配单 元 302和 /或第一提前分配单元 303 , 其中:
第一延迟分配单元 302, 用于确定调度接收单元 20接收的调度请求中包含的 第二指示值所指示的用户设备緩存的上行数据所在逻辑信道的优先级低于设置 值时, 延迟第一时间为所述用户设备分配上行资源, 该第二指示值用于指示用 户设备緩存的上行数据所在逻辑信道优先级; 第一提前分配单元 303 , 用于确定第二指示值所指示的用户设备緩存的上行 数据所在逻辑信道的优先级等于或高于设置值, 提前第二时间为用户设备分配 上行资源。
在本实施例中, 当配置发送单元 10发送的配置信息中包含第二配置项, 该 第二配置项用来配置调度请求的第二指示值; 则调度接收单元 20接收的调度请 求中包含第二指示值; 并由第一延迟分配单元 302延迟第一时间为用户设备分配 上行资源, 而第一提前分配单元 303提前第二时间为用户设备分配上行资源。
参考图 6所示, 在其它具体的实施例中, 基站的调度单元 30可以包括第二延 迟分配单元 304和 /或第二提前分配单元 305:
第二延迟分配单元 304, 用于确定调度接收单元 20接收的调度请求中包含的 第三指示值所指示的用户设备緩存的上行数据所在逻辑信道的类型是数据无线 承载 DRB时, 延迟第三时间为用户设备分配上行资源, 该第三指示值用于指示 用户设备緩存的上行数据所在逻辑信道的类型是数据无线承载 DRB或信令无线 承载 SRB;
第二提前分配单元 305 , 用于当确定第三指示值所指示的用户设备緩存的上 行数据所在逻辑信道的类型是信令无线承载 SRB时,提前第四时间为用户设备分 配上行资源。
在本实施例中, 当配置发送单元 10发送的配置信息中包含第三配置项, 该 第三配置项用来配置调度请求的第三指示值; 则调度接收单元 20接收的调度请 求中包含第三指示值; 并由第二延迟分配单元 304延迟第三时间为用户设备分配 上行资源, 而第二提前分配单元 305提前第四时间为用户设备分配上行资源。
优先分配单元 306, 用于调度接收单元 20接收的调度请求中包括的第四指示 值相对于上次发送的调度请求中的第四指示值发生变化, 优先为包括变化的第 四指示值的调度请求所对应的用户设备分配上行资源, 该第四指示值用于指示 所述用户设备从发送上次调度请求到接收到对应的上行授权期间, 用户设备有 比已经触发状态緩存报告的上行数据优先级更高的上行数据达到或有新的緩存 状态报告被触发。
当所述配置发送单元 10发送的配置信息中包含第四配置项, 该第四配置项 用来配置调度请求的第四指示值; 则调度接收单元 20接收的调度请求中包括第 四指示值, 由优先分配单元 306优先为包括变化的第四指示值的调度请求所对应 的用户设备分配上行资源。
关于本实施例中的基站的功能与结构的描述, 可以参见前述的方法实施例。 本发明实施例还提供一种用户设备, 结构示意图如图 7所示, 包括: 配置接收单元 20, 用于接收基站发送的配置信息, 该配置信息用来配置用 户设备发送的调度请求表示緩存的上行数据的属性的方式;
调度请求发送单元 21 , 用于按照配置接收单元 20接收的配置信息配置的方 式, 发送调度请求给所述基站, 调度请求中包含指示用户设备緩存的上行数据 的属性的指示信息; 以便基站根据调度请求中包含的指示信息, 为用户设备分 配上行资源。
本发明实施例的用户设备中, 配置接收单元 20接收到基站发送的配置信息, 该配置信息用来配置用户设备发送的调度请求表示緩存的上行数据的属性的方 式; 调度请求发送单元 21可以根据该配置信息发送调度请求, 并在调度请求中 用指示信息指示上行数据的属性信息。 这样用户设备在发送调度请求时可以指 示有上行数据需要发送, 而且还可以指示发送的上行数据的具体属性信息, 使 得基站在接收到调度请求后, 为用户设备分配上行资源, 即上行数据的调度时, 可以及时精确地参考用户设备需要发送的上行数据的信息, 这样会使得基站对 上行用户设备的数据的调度及时准确, 从而提高了上行数据的调度性能。
关于本实施例中的用户设备的结构和功能的描述, 可以参见前述的方法实 施例。 本发明实施例还提供一种上行数据的调度系统, 包括用户设备和基站, 其 中基站的结构如图 4到 6任一个所示; 用户设备的结构如图 7所示。
且该上行数据的调度系统中基站和用户设备按照如图 2和 3所示的方法进行 用户设备的上行数据的调度。
本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分步骤 是可以通过程序来指令相关的硬件来完成, 该程序可以存储于一计算机可读存 储介质中, 存储介质可以包括: 只读存储器(ROM )、 随机存取存储器( RAM )、 磁盘或光盘等。
上实施例的说明只是用于帮助理解本发明的方法及其核心思想; 同时, 对于本 领域的一般技术人员, 依据本发明的思想, 在具体实施方式及应用范围上均会 有改变之处, 综上所述, 本说明书内容不应理解为对本发明的限制。

Claims

权利要求书
1、 一种上行数据的调度方法, 其特征在于, 包括:
发送配置信息给用户设备, 所述配置信息用来配置所述用户设备发送的调 度请求表示緩存的上行数据的属性的方式;
接收所述用户设备根据所述配置信息发送的调度请求, 所述调度请求中包 含指示所述用户设备緩存的上行数据的属性的指示信息;
根据所述调度请求中包含的指示信息, 为所述用户设备分配上行资源。
2、 如权利要求 1所述的方法, 其特征在于, 所述用户设备发送的调度请求 表示緩存的上行数据的属性的方式, 包括:
在所述调度请求中设置指示值来指示如下信息中的至少一个:
所述用户设备緩存的上行数据量;
所述用户设备緩存的上行数据所在的逻辑信道的优先级;
所述用户设备緩存的上行数据所在的逻辑信道的类型; 以及,
在所述用户设备从发送调度请求到接收到对应的上行授权期间, 所述用户 设备有比已经触发緩存状态报告的上行数据优先级更高的上行数据到达或有新 的緩存状态报告被触发。
3、 如权利要求 2所述的方法, 其特征在于, 所述用户设备发送的调度请求 表示緩存的上行数据的属性的方式, 还包括:
所述用户设备发送所述调度请求使用的物理上行控制信道的格式。
4、 如权利要求 1至 3中任意一项所述的方法, 其特征在于,
所述配置信息中包含第一配置项, 所述第一配置项用来配置所述调度请求 的第一指示值, 所述第一指示值用于指示所述用户设备緩存的上行数据量; 所述调度请求包含所述第一指示值;
所述根据所述调度请求中包含的指示信息, 为所述用户设备分配上行资源, 包括:
为所述用户设备分配与所述第一指示值所指示的上行数据量相应的上行资 源。
5、 如权利要求 1至 3中任意一项所述的方法, 其特征在于,
所述配置信息中包含第二配置项, 所述第二配置项用来配置所述调度请求 的第二指示值, 所述第二指示值用于指示所述用户设备緩存的上行数据所在逻 辑信道的优先级;
所述调度请求包括所述第二指示值;
所述根据所述调度请求中包含的指示信息, 为所述用户设备分配上行资源, 包括:
确定所述第二指示值所指示的所述用户设备緩存的上行数据所在逻辑信道 的优先级低于设置值, 延迟第一时间为所述用户设备分配上行资源, 或,
确定所述第二指示值所指示的所述用户设备緩存的上行数据所在逻辑信道 的优先级等于或高于设置值, 提前第二时间为所述用户设备分配上行资源。
6、 如权利要求 1至 3中任意一项所述的方法, 其特征在于,
所述配置信息中包含第三配置项, 所述第三配置项用来配置所述调度请求 的第三指示值, 所述第三指示值用于指示所述用户设备緩存的上行数据所在逻 辑信道的类型是数据无线承载 DRB或信令无线承载 SRB;
所述调度请求包括所述第三指示值;
所述根据所述调度请求中包含的指示信息, 为所述用户设备分配上行资源, 包括:
当所述第三指示值指示所述用户设备緩存的上行数据所在逻辑信道的类型 是数据无线承载 DRB时, 延迟第三时间为所述用户设备分配上行资源, 或, 当所述第三指示值指示所述用户设备緩存的上行数据所在逻辑信道的类型 是信令无线承载 SRB时, 提前第四时间为所述用户设备分配上行资源。
7、 如权利要求 1至 3中任意一项所述的方法, 其特征在于,
所述配置信息中包含第四配置项, 所述第四配置项用来配置所述调度请求 的第四指示值, 第四指示值用于指示所述用户设备从发送上次调度请求到接收 到对应的上行授权期间, 所述用户设备有比已经触发状态緩存报告的上行数据 优先级更高的上行数据达到或有新的緩存状态报告被触发;
所述调度请求包括所述第四指示值;
所述根据所述调度请求中包含的指示信息, 为所述用户设备分配上行资源, 包括:
当所述调度请求中包括的第四指示值相对于所述上次发送的调度请求中的 第四指示值发生变化, 优先为包括所述变化的第四指示值的调度请求所对应的 用户设备分配上行资源。
8、 如权利要求 1至 3中任意一项所述的方法, 其特征在于, 所述用户设备根 据所述配置信息发送的调度请求, 包括:
当所述用户设备根据所述配置信息配置的方式发送的调度请求, 与所述用 户设备发送的混合自动重传请求 HARQ反馈不在同一个子帧传输时,所述用户设 备发送的所述调度请求。
9、 如权利要求 1至 3中任意一项所述的方法, 其特征在于, 所述发送配置信 息给用户设备, 包括:
将所述配置信息携带在无线资源控制连接建立消息, 或无线资源控制连接 重配置消息, 或无线资源控制连接重建立消息, 或广播消息中发送给用户设备。
10、 一种上行调度方法, 其特征在于, 包括:
接收基站发送的配置信息, 所述配置信息用来配置用户设备发送的调度请 求表示緩存的上行数据的属性的方式;
按照所述配置信息配置的方式, 发送调度请求给所述基站, 所述调度请求 中包含指示所述用户设备緩存的上行数据的属性的指示信息, 以便所述基站根 据所述调度请求中包含的指示信息, 为所述用户设备分配上行资源。
11、 如权利要求 10所述的方法, 其特征在于, 所述发送调度请求给所述基 站, 包括:
在调度请求中设置指示值来指示如下信息中的至少一个, 并发送给所述基 站: 所述用户设备緩存的上行数据量; 所述用户设备緩存的上行数据所在逻辑 信道优先级; 所述用户设备緩存的上行数据所在逻辑信道的类型; 在所述用户 设备从发送调度请求到接收到对应的上行授权期间, 所述用户设备有比已触发 緩存状态报告的上行数据优先级更高的上行数据到达或有新的緩存状态报告被 触发。
12、 如权利要求 11所述的方法, 其特征在于,
所述配置信息中包含所述用户设备发送所述调度请求使用的物理上行控制 信道的格式;
所述发送调度请求给所述基站, 包括:
按照所述配置信息中包含的所述用户设备发送所述调度请求使用的物理上 行控制信道的格式发送调度请求给所述基站。
13、 一种基站, 其特征在于, 包括:
配置发送单元, 用于发送配置信息给用户设备, 所述配置信息用来配置所 述用户设备发送的调度请求表示緩存的上行数据的属性的方式;
调度接收单元, 用于接收所述用户设备根据所述配置发送单元发送的配置 信息发送的调度请求, 所述调度请求中包含指示所述用户设备緩存的上行数据 的属性的指示信息;
调度单元, 用于根据所述调度接收单元接收的调度请求中包含的指示信息, 为所述用户设备分配上行资源。
14、 如权利要求 13所述的基站, 其特征在于, 所述调度单元包括数据量分 配单元,
所述配置发送单元, 具体用于发送配置信息给用户设备, 所述配置信息中 包含第一配置项, 所述第一配置项用来配置所述调度请求的第一指示值, 所述 第一指示值用于指示所述用户设备緩存的上行数据量;
所述调度接收单元, 具体用于接收所述用户设备根据所述配置发送单元发 送的配置信息发送的调度请求, 所述调度请求包含所述第一指示值;
所述数据量分配单元, 用于为所述用户设备分配与所述调度接收单元接收 的第一指示值所指示的上行数据量相应的上行资源。
15、 如权利要求 13所述的基站, 其特征在于, 所述调度单元, 包括: 第一 延迟分配单元和 /或第一提前分配单元,
所述配置发送单元, 具体用于发送配置信息给用户设备, 所述配置信息中 包含第二配置项, 所述第二配置项用来配置所述调度请求的第二指示值, 所述 第二指示值用于指示所述用户设备緩存的上行数据所在逻辑信道的优先级; 所述调度接收单元, 具体用于接收所述用户设备根据所述配置发送单元发 送的配置信息发送的调度请求, 所述调度请求包含所述第二指示值;
所述第一延迟分配单元, 用于确定所述调度接收单元接收的调度请求中包 含的第二指示值所指示的所述用户设备緩存的上行数据所在逻辑信道的优先级 低于设置值时, 延迟第一时间为所述用户设备分配上行资源, 和 /或,
所述第一提前分配单元, 用于确定所述第二指示值所指示的所述用户设备 緩存的上行数据所在逻辑信道的优先级等于或高于设置值, 提前第二时间为所 述用户设备分配上行资源。
16、 如权利要求 13所述的基站, 其特征在于, 所述调度单元具体包括: 第 二延迟分配单元和 /或第二提前分配单元,
所述配置发送单元, 具体用于发送配置信息给用户设备, 所述配置信息中 包含第三配置项, 所述第三配置项用来配置所述调度请求的第三指示值, 所述 第三指示值用于指示所述用户设备緩存的上行数据所在逻辑信道的类型是数据 无线承载 DRB或信令无线承载 SRB;
所述调度接收单元, 具体用于接收所述用户设备根据所述配置发送单元发 送的配置信息发送的调度请求, 所述调度请求包含所述第三指示值;
所述第二延迟分配单元, 用于确定所述调度接收单元接收的调度请求中包 含的第三指示值所指示的所述用户设备緩存的上行数据所在逻辑信道的类型是 数据无线承载 DRB, 延迟第三时间为所述用户设备分配上行资源, 和 /或,
第二提前分配单元, 用于确定所述第三指示值所指示的所述用户设备緩存 的上行数据所在逻辑信道的类型是信令无线承载 SRB ,提前第四时间为所述用户 设备分配上行资源。
17、 如权利要求 13所述的基站, 其特征在于, 所述调度单元包括优先分配 单元,
所述配置发送单元, 具体用于发送配置信息给用户设备, 所述配置信息中 包含第四配置项, 所述第四配置项用来配置所述调度请求的第四指示值, 第四 指示值用于指示所述用户设备从发送上次调度请求到接收到对应的上行授权期 间, 所述用户设备有比已经触发状态緩存报告的上行数据优先级更高的上行数 据达到或有新的緩存状态报告被触发;
所述调度接收单元, 具体用于接收所述用户设备根据所述配置发送单元发 送的配置信息发送的调度请求, 所述调度请求包含所述第四指示值;
所述优先分配单元, 用于当所述调度接收单元接收的调度请求中包括的第 四指示值相对于所述上次发送的调度请求中的第四指示值发生变化, 优先为包 括所述变化的第四指示值的调度请求所对应的用户设备分配上行资源。
18、 一种用户设备, 其特征在于, 包括:
配置接收单元, 用于接收基站发送的配置信息, 所述配置信息用来配置用 户设备发送的调度请求表示緩存的上行数据的属性的方式;
调度请求发送单元, 用于按照所述配置接收单元接收的配置信息配置的方 式, 发送调度请求给所述基站, 所述调度请求中包含指示所述用户设备緩存的 上行数据的属性的指示信息; 以便所述基站根据所述调度请求中包含的指示信 息, 为所述用户设备分配上行资源。
19、 一种上行数据的调度系统, 其特征在于, 包括: 基站和用户设备, 所 述基站为如权利要求 13至 17任一项所述的基站; 所述用户设备为如权利要求 18 所述的用户设备。
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