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WO2012116604A1 - Procédé, dispositif et système de traitement de préplanification de liaison montante - Google Patents

Procédé, dispositif et système de traitement de préplanification de liaison montante Download PDF

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Publication number
WO2012116604A1
WO2012116604A1 PCT/CN2012/071318 CN2012071318W WO2012116604A1 WO 2012116604 A1 WO2012116604 A1 WO 2012116604A1 CN 2012071318 W CN2012071318 W CN 2012071318W WO 2012116604 A1 WO2012116604 A1 WO 2012116604A1
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WO
WIPO (PCT)
Prior art keywords
user equipment
uplink
service
scheduling
attribute information
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2012/071318
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English (en)
Chinese (zh)
Inventor
朱俊
王胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
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.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2012116604A1 publication Critical patent/WO2012116604A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the embodiments of the present invention relate to the field of communications, and in particular, to an uplink pre-scheduling processing method, apparatus, and system.
  • the user equipment (User Equipment, hereinafter referred to as UE) needs to obtain the uplink scheduling authorization of the base station before sending data to the base station, for example, the eNodeB.
  • the base station generally allocates uplink resources to the UE periodically, so that the UE sends data on the allocated uplink resources.
  • the UE often needs to send data to the base station in a sudden manner. For example, when the UE performs a File Transfer Protocol (FTP) service with the network side device, it needs to send a feedback ACK message to the base station in a sudden manner.
  • FTP File Transfer Protocol
  • the UE does not obtain the uplink scheduling authorization of the base station, the UE needs to send a scheduling request indication (SRI) message to the base station, and the base station can allocate a buffer status report (Buffer State Report) to the UE.
  • SRI scheduling request indication
  • BSR buffer State Report
  • the UE is notified by Uplink Grant (UL Grant).
  • the UE may report the BSR to the base station on the resource; the base station allocates uplink transmission resources for the uplink data of the UE according to the BSR reported by the UE; After the TTI, the UE sends the uplink data to the base station.
  • TTIs transmission time intervals
  • QoS Quality of Service
  • the Chinese patent application CN101835262A discloses a resource allocation method, including: the base station determines that the base station has idle schedulable resources; and the base station determines whether the user equipment UE has data to be transmitted; if the judgment result is that the UE has data to be transmitted, the base station according to the preset pre-set The amount of scheduling data actively allocates pre-scheduled resources to the UE.
  • U.S. Patent Application No. 20090109912 A1 discloses a method and apparatus for pre-scheduled uplink resources. The entire contents of this application are incorporated herein by reference. Summary of the invention
  • Embodiments of the present invention provide an uplink pre-scheduling processing method, apparatus, and system, so that
  • the processing of the uplink data of the UE burst satisfies the high latency requirement.
  • An embodiment of the present invention provides an uplink pre-scheduling processing method, including:
  • the user equipment may send burst uplink data according to the service attribute information, perform uplink pre-scheduling processing on the user equipment.
  • An embodiment of the present invention provides an uplink pre-scheduling processing apparatus, including:
  • a first obtaining module configured to obtain service attribute information of the user equipment, where the service attribute information is used to determine whether the user equipment is capable of sending burst uplink data;
  • the uplink pre-scheduling module is configured to perform uplink pre-scheduling processing on the user equipment if it is determined that the user equipment may send burst uplink data according to the service attribute information.
  • the embodiment of the present invention further provides an uplink pre-scheduling processing system, including: a base station, where the base station includes the foregoing uplink pre-scheduling processing device, where the base station is configured to communicate with at least one user equipment.
  • the base station may determine, according to the service attribute information of the UE, the UE that may send the burst uplink data, and perform uplink pre-scheduling processing on the UE, so that the UE may send the uplink burst data on the uplink pre-scheduled resource. . Therefore, it is required to pass 8 compared to the prior art.
  • the embodiment of the present invention shortens the scheduling time of the uplink burst data, and can meet the requirements of high delay requirements and QoS.
  • FIG. 1 is a flowchart of an embodiment of an uplink pre-scheduling processing method according to the present invention
  • FIG. 2 is a flowchart of another embodiment of an uplink pre-scheduling processing method according to the present invention.
  • FIG. 3 is a schematic structural diagram of an embodiment of an uplink pre-scheduling processing apparatus according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of another embodiment of an uplink pre-scheduling processing apparatus according to the present invention. schematic diagram. detailed description
  • the general components included in the base station and/or terminal in the following embodiments are no longer listed. These general purpose components include, but are not limited to: baseband processing components; medium RF processing components; transmission components; processors; memory; antenna components; Each base station corresponds to one or more cells. Each cell can serve one or more terminals. Terminals include but are not limited to: mobile phones, notebook computers, wireless communication modules.
  • FIG. 1 is a flowchart of an embodiment of an uplink pre-scheduling processing method according to the present invention, as shown in FIG.
  • the method of this embodiment may include:
  • Step 101 Obtain service attribute information of the user equipment.
  • the service attribute information can be used to determine whether the user equipment is likely to send burst uplink data.
  • a base station such as an eNodeB or the like, can perform the steps of this embodiment in each TTI.
  • the base station may acquire service attribute information of the UE.
  • the base station may learn the service attribute information in the process of the UE accessing the cell or in the process of the UE sending the uplink data.
  • the service attribute information may reflect whether the UE has the possibility of transmitting burst uplink data to the base station.
  • the specific content of the service attribute information is not limited in this embodiment. It can be understood by those skilled in the art that any information that can reflect whether the UE has the possibility of bursting uplink data can be used to implement the present invention.
  • the technical solution of the embodiment, and the embodiment does not limit whether the service attribute information is used by the base station in the prior art, or the obtained information is detected by other technical means.
  • the base station is not limited to acquiring only the service attribute information of one UE. In actual implementation, the service attribute information of multiple UEs can be obtained.
  • Step 102 Perform, according to the service attribute information, that the user equipment may send burst uplink data, perform uplink pre-scheduling processing on the user equipment.
  • the base station may perform uplink pre-scheduling processing on the UE without waiting for the UE to send the SRI. For example, the base station may send a UL Grant message to the UE, and after receiving the UL Grant message, if the UE has burst uplink data, the UE may directly send the burst uplink data to the base station.
  • the base station can perform uplink pre-scheduling processing on multiple UEs, or according to certain policies, such as priority order, etc.
  • One or a plurality of UEs perform uplink pre-scheduling processing.
  • the base station may determine, according to the service attribute information of the UE, the UE that may send the burst uplink data, and perform uplink pre-scheduling processing on the UE, so that the UE may send the uplink burst data on the uplink pre-scheduled resource. Therefore, compared with the prior art, the scheduling of the uplink burst data can be completed by using 8 TTIs. This embodiment shortens the scheduling time of the uplink burst data, and can meet the requirements of higher delay requirements and QoS.
  • FIG. 2 is a flowchart of another embodiment of an uplink pre-scheduling processing method of the present invention. As shown in FIG. 2, the method in this embodiment may include:
  • Step 201 Acquire service quality category identification information of the UE.
  • the embodiment may select the information that the base station has stored as the service attribute information.
  • the QoS Class Identifier (hereinafter referred to as QCI) is one of them.
  • the QCI can reflect the service attributes of the UE, and the base station can use the QCI information as a decision basis for whether the UE needs to perform uplink pre-scheduling processing.
  • the QCI information may be service attribute information obtained and stored by the base station from the network side during the process of the UE accessing the network or initiating the service request.
  • Step 202 Determine, according to the service quality category identifier information, that the UE may send burst uplink data.
  • the base station can determine whether the UE will send burst uplink data according to the QCI information.
  • the base station may determine, according to the QCI information corresponding to the UE, whether the UE has the possibility of transmitting burst uplink data.
  • each UE For each UE, it may only open a single service, or may open multiple services at the same time.
  • the QCI information of each UE may only contain attribute information of a single service, or may Includes attribute information for multiple services. Therefore, in the specific implementation, the following two technical solutions can be included:
  • the base station can determine, according to the OCI information of the service, whether the UE has a transmission burst.
  • the possibility of uplink data If the UE is a multi-service UE, that is, the UE has multiple services enabled at the same time, the QCI information includes the attribute information of each service. Therefore, the base station can determine whether the UE has a transmission burst according to the QCI information of each service.
  • the possibility of uplink data For example, if the base station determines the QCI information of each service, as long as the QCI information of one service indicates that the UE may send burst uplink data, it is determined that the UE has the possibility of transmitting burst uplink data.
  • pre-scheduling attribute information may also be set in the QCI information or in information similar to the QCI information. In this way, according to the pre-scheduling attribute information, it can be directly determined that the UE may send burst uplink data, so that uplink pre-scheduling processing can be performed.
  • Step 203 Determine whether the system level decision condition is satisfied. If yes, execute step 204, otherwise end.
  • the present embodiment may set a system-level decision condition, so that the base station can be configured according to the system.
  • the resource or performance determines whether uplink pre-scheduling can be performed on the UE that may send burst uplink data.
  • the uplink pre-scheduling may introduce a problem of wasted system resources. Therefore, in this embodiment, the precondition of the uplink pre-scheduling is that the uplink uplink is light, and the physical uplink shared channel (hereinafter referred to as PUSCH). There is a surplus of channel resources. Therefore, in this embodiment, the bandwidth utilization is used as the system decision condition. When the bandwidth utilization is greater than the first threshold, indicating that the PUSCH channel resource may have no redundancy, the base station does not initiate uplink pre-scheduling; and less than the first threshold, indicating the PUSCH channel resource. If there is a surplus, the base station can initiate uplink pre-scheduling.
  • the uplink pre-scheduling may also introduce the problem of the neighboring area interference. Therefore, the ratio of the pre-scheduled bandwidth to the total bandwidth of the system may be used as the system decision condition.
  • the ratio of the pre-scheduled bandwidth to the total bandwidth of the system is greater than the second threshold, If the pre-scheduling bandwidth is relatively high, the base station does not start the uplink pre-scheduling. If the pre-scheduling bandwidth is less than the second threshold, the base station can initiate the uplink pre-scheduling. Therefore, the pre-scheduled bandwidth accounts for the total bandwidth of the system. Ratio as a system decision Conditions, the total bandwidth of the uplink pre-scheduling can be limited, thereby reducing interference to the neighboring cell.
  • the base station may also use the ratio of the current bandwidth utilization and the pre-scheduled bandwidth to the total bandwidth of the system as a system level decision condition. When the two parameters meet the preset conditions at the same time, the base station can determine to start the uplink pre-scheduling process.
  • first threshold and the second threshold may be set according to the performance requirements of the base station system, and the like, which is not described in this embodiment.
  • the embodiment does not limit the base station to adopt only the above two parameters as the system decision condition, and those skilled in the art may use other parameters to enrich the content of the system decision as needed.
  • the base station may also use the pre-scheduling minimum time interval threshold as a system decision condition.
  • Pre-scheduling time interval current scheduling time - last scheduling time, when the value of the pre-scheduling time interval is smaller than the pre-scheduled minimum time interval, the base station does not initiate uplink pre-scheduling, thereby reducing the number of uplink pre-scheduling of the UE, thereby reducing the UE's Energy consumption.
  • Step 204 Obtain a maximum scheduling interval and a corresponding pre-scheduled data volume allowed by each user equipment according to the service quality category identifier information.
  • the base station may obtain the maximum scheduling interval allowed by the UE and the corresponding pre-adjustment data amount according to the QCI information.
  • the base station may establish a pre-scheduled attribute list as shown in Table 1 for each UE.
  • Table 1 For example, after completing step 204, the base station may establish a pre-scheduled attribute list as shown in Table 1 for each UE. Table 1
  • Step 205 Calculate and obtain a priority order of each user equipment according to the last scheduled time, the current scheduled time, and the maximum allowed scheduling interval.
  • the base station may determine that there are multiple UEs that need to perform uplink pre-scheduling, but the system resources, such as the bandwidth, are very limited. Therefore, the base station may form the uplink pre-scheduling queues for the UEs that need to perform the uplink pre-scheduling process, and pre-schedule the uplink. These UEs in the queue are sorted by priority.
  • Priority (last scheduled time - this scheduled time) / maximum allowed scheduling interval.
  • the last scheduled time and the scheduled time are all time parameters that the base station can directly obtain.
  • Step 206 Perform uplink pre-scheduling processing on the user equipment that may send burst uplink data according to the priority order of the user equipment and the corresponding pre-scheduled data volume.
  • the base station may perform uplink pre-scheduling processing on the UEs in the uplink pre-scheduling queue in sequence according to the priority order. It can be understood that, once the system resources available to the base station are exhausted, the remaining UEs in the uplink pre-arrangement queue will not be subjected to uplink pre-scheduling processing.
  • the base station may perform uplink pre-scheduling processing on the UE by using the pre-scheduled data amount in Table 1.
  • a system-level pre-scheduling master switch Pre-Allocation-Switch can be designed.
  • the switch can control whether the base station needs to perform the uplink pre-scheduling processing procedure in steps 201 to 206 in this embodiment.
  • the system-level pre-scheduling master switch is enabled, and the base station needs to perform the uplink pre-scheduling processing procedure in steps 201 to 206 in this embodiment; The station does not need to perform the uplink pre-scheduling process flow in steps 201 to 206 in this embodiment.
  • the base station may determine, according to the QCI information of the UE, the UE that may send the burst uplink data, and determine whether the base station itself can perform uplink pre-scheduling processing on the UEs that need uplink pre-scheduling through the system-level decision.
  • the priority order of each UE may be fully considered, so that the base station can pre-allocate uplink resources for UEs that may send burst uplink data, and avoid the impact of the uplink pre-scheduling on system performance as much as possible. .
  • FIG. 3 is a schematic structural diagram of an embodiment of an uplink pre-scheduling processing apparatus according to the present invention.
  • the apparatus in this embodiment may include: a first obtaining module 11 and an uplink pre-scheduling module 12, where the first acquiring module The device is configured to obtain the service attribute information of the user equipment, where the service attribute information is used to determine whether the user equipment is capable of transmitting burst uplink data, and the uplink pre-scheduling module 12 is configured to determine the user equipment according to the service attribute information. If the burst uplink data is sent, the user equipment is subjected to uplink pre-scheduling processing.
  • the device in this embodiment may be used to perform the method in the method embodiment shown in FIG. 1 , and the implementation principle and technical effects are similar, and details are not described herein again.
  • FIG. 4 is a schematic structural diagram of another embodiment of an uplink pre-scheduling processing apparatus according to the present invention.
  • the apparatus of this embodiment is based on the apparatus shown in FIG. 3, and further includes: a startup module 13 and a The second acquisition module 14.
  • the uplink pre-scheduling module 12 may further include: one of the determining unit 121, the first determining unit 122, the second determining unit 123, and the pre-scheduling processing unit 124, or any reasonable combination thereof.
  • the initiating module 13 is configured to start the uplink pre-scheduling module 12, if the current bandwidth utilization is less than the first threshold, and/or the ratio of the pre-scheduled bandwidth to the total system bandwidth is less than the second threshold, the first acquiring module 11 is specifically used.
  • Obtaining the service quality category identification information of the user equipment; the determining unit 121 is configured to determine whether the user equipment is a single service user equipment or a multi-service user equipment; the first determining unit 122 is configured to determine, by the determining unit 121, the use If the user equipment is a single-service user equipment, it is determined that the user equipment may send burst uplink data according to the service quality category identifier information of the single service.
  • the second determining unit 122 is configured to determine, by the determining unit 121, that the user equipment is The service user equipment determines that the user equipment may send burst uplink data according to the service quality category identifier information of each service in the multi-service; the pre-scheduling processing unit 124 is configured to use the first determining unit 122 or the second determining unit. The result of the determination is that the uplink pre-scheduling process is performed according to the priority order of the user equipment and the corresponding pre-scheduled data volume.
  • the second obtaining module 14 is configured to obtain the maximum scheduling interval allowed by each user equipment according to the service quality category identifier information. And the corresponding pre-scheduled data volume; calculating the priority order of each user equipment according to the last scheduled time, the current scheduled time, and the maximum allowed scheduling interval.
  • the device in this embodiment may be used to perform the method in the method embodiment shown in FIG. 2, and the implementation principle and the technical effect are similar, and details are not described herein again.
  • FIG. 5 is a schematic structural diagram of an embodiment of an uplink pre-scheduling processing system according to the present invention.
  • the system in this embodiment may include: a base station 1 and a user equipment 2, where the base station 1 may include the foregoing FIG. 3 or FIG.
  • the structure of the illustrated device can be used to perform the method of the method embodiment shown in FIG. 1 or FIG. 2, and the implementation principle and technical effects are similar, and details are not described herein again.
  • only one user equipment is shown in this embodiment. It can be understood by those skilled in the art that there may be multiple user equipments 2 communicating with the base station 1, and each user equipment 2 may be used with FIG. 1. Or the method shown in FIG. 2 is in communication with the base station 1.
  • the program can be stored in a computer readable storage medium.
  • the storage medium can include: read only memory (ROM), random access memory (RAM), disk or optical disk. And other media that can store program code.

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  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Des modes de réalisation de la présente invention portent sur un procédé, un dispositif et un système de traitement de préplanification de liaison montante. Le procédé consiste à : acquérir des informations d'attribut de service d'un équipement utilisateur, les informations d'attribut de service étant destinées à être utilisées dans la détermination du fait que l'équipement utilisateur est apte ou non à envoyer des données de liaison montante en rafales; s'il a été etabli, sur la base des informations d'attribut de service, que l'équipement utilisateur est apte à envoyer les données de liaison montante en rafales, alors effectuer un traitement de préplanification de liaison montante sur l'équipement utilisateur. Contrairement à l'état de la technique nécessitant huit TTI pour achever une planification des données en rafales de liaison montante, les modes de réalisation de la présente invention réduisent le temps nécessaire pour planifier les données en rafales de liaison montante, ce qui satisfait les besoins d'une plus grande latence et les besoins de QoS.
PCT/CN2012/071318 2011-02-28 2012-02-20 Procédé, dispositif et système de traitement de préplanification de liaison montante Ceased WO2012116604A1 (fr)

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CN201110048088.0A CN102104974B (zh) 2011-02-28 2011-02-28 上行预调度处理方法、装置和系统

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CN105453681B (zh) * 2014-07-28 2019-03-08 华为技术有限公司 一种数据调度方法及装置
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