WO2015024216A1 - 业务调度的方法和基站 - Google Patents

业务调度的方法和基站 Download PDF

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Publication number
WO2015024216A1
WO2015024216A1 PCT/CN2013/081966 CN2013081966W WO2015024216A1 WO 2015024216 A1 WO2015024216 A1 WO 2015024216A1 CN 2013081966 W CN2013081966 W CN 2013081966W WO 2015024216 A1 WO2015024216 A1 WO 2015024216A1
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WIPO (PCT)
Prior art keywords
rlc
service data
carrier
entity
control information
Prior art date
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PCT/CN2013/081966
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English (en)
French (fr)
Inventor
梁自军
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 BR112016003034-6A priority Critical patent/BR112016003034B1/pt
Priority to PCT/CN2013/081966 priority patent/WO2015024216A1/zh
Priority to EP13891746.3A priority patent/EP3021625B1/en
Priority to CN201380003955.6A priority patent/CN104641704B/zh
Publication of WO2015024216A1 publication Critical patent/WO2015024216A1/zh
Priority to US15/047,908 priority patent/US9924535B2/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method and a base station for service scheduling.
  • a user equipment User Equipment, UE
  • CA Carrier Aggregation
  • the inter-carrier balance is achieved to improve network performance.
  • the above carrier may also be referred to as a component carrier or a carrier unit.
  • a Packet Data Convergence Protocol (PDCP) entity and a Radio Link Control (RLC) entity are centrally managed, and Medium Access Control (MAC) entity scheduling and layers are implemented.
  • MAC Medium Access Control
  • the PDCP entity and the RLC entity can be deployed on the same board (usually the baseband board) as one carrier.
  • the other carriers are deployed on different boards. Taking the maximum number of carriers supported by the current LTE standard as an example, at a peak rate of 3 Gbps for a single-user device, a user equipment transmits data volume of 3 megabits in a transmission time interval (TTI) of the radio link control entity.
  • TTI transmission time interval
  • the amount of data output to the other boards is 2.4 megabits. If only one carrier and the RLC entity are on the same board, the amount of data output to the other boards is 2.4 megabits. If the transmission delay requirement of 100 microseconds is required, the bandwidth required for data transmission between boards is 24 Gbps. If three sectors are considered, the bandwidth requirement for data transmission between boards is higher.
  • an embodiment of the present invention provides a method and a base station for service scheduling, so as to solve the problem that the transmission bandwidth requirement between boards is too high.
  • a method for service scheduling including:
  • the media access control MAC entity of the carrier reports the bearer information of the carrier to the radio link control.
  • RLC entity
  • the RLC entity allocates service data and control information to the carrier, and sends the service data and control information to a data buffer of the carrier;
  • the MAC entity performs an RLC group packet and a MAC group packet on the service data, and sends the service data after the group packet to the user equipment.
  • the bearer information includes at least one of: a channel quality corresponding to the carrier, a load of the carrier, and a rate that the carrier can provide for all user equipments.
  • control information is a logical channel number, a sequence number, or a data length of the service data.
  • the RLC entity allocates service data and control information to the carrier, where the RLC is specifically: The entity allocates service data and control information to the carrier according to the bearer information, the data buffer status of the carrier, and the buffer status of the RLC entity.
  • the performing, by the MAC entity, the RLC group package of the service data is:
  • the shell lj performs the RLC PDU Segment group packet
  • the radio link control packet data unit RLC PDU group packet is performed.
  • a second aspect provides a method for service scheduling, where the method includes: media access control of a carrier, and a MAC entity reports bearer information of the carrier to a radio link control.
  • the RLC entity allocates service data and control information to the carrier, and sends the service data and control information to a data cache of an RLC agent;
  • the MAC entity obtains the service data and control information from a data cache of the RLC proxy, and sends the service data to the user equipment.
  • the bearer information includes at least one of: a channel quality corresponding to the carrier, a load of the carrier, and a rate that the carrier can provide for all user equipments.
  • control information is a logical channel number, a sequence number, or a data length of the service data.
  • the RLC entity allocates service data and control information to the carrier, where the RLC is specifically: The entity allocates service data and control information to the carrier according to the bearer information, the data buffer status of the RLC proxy, and the cache status of the RLC entity.
  • the MAC entity obtains the service data and control information from a data cache of the RLC proxy, and sends the service data to the user equipment as follows:
  • the MAC entity sends a service data allocation request to the RLC proxy, and the RLC proxy performs an RLC group packet on the service data and sends the packet to the MAC entity; the MAC entity performs MAC on the service data after the RLC group packet.
  • the packet is sent and sent to the user equipment.
  • the MAC entity sends a service data allocation request to the RLC proxy, and receives the service data of the user equipment from the RLC proxy; the MAC entity performs an RLC group packet and a MAC group packet on the service data of the user equipment, And transmitting the service data after the MAC group packet to the user equipment.
  • the RLC agent or the MAC entity performs the RLC group package on the service data as follows:
  • the RLC PDU Segment group packet is performed
  • the radio link control packet data unit RLC PDU group packet is performed.
  • a base station in a third aspect, includes:
  • Carrier radio link control RLC entity, the carrier includes a media access control MAC entity, and a data cache;
  • the MAC entity is configured to report the bearer information of the carrier to the RLC entity, where the RLC entity is configured to allocate service data and control information to the carrier, and Data and control information is sent to the data cache;
  • the MAC entity is further configured to determine a user equipment that needs to be scheduled, obtain the service data and control information from the data cache, perform an RLC group packet and a MAC group packet on the service data, and perform service data after the group packet Sent to the user equipment.
  • the bearer information of the carrier includes at least one of the following: a channel quality corresponding to the carrier, a load of the carrier, and the carrier can be provided by all user equipments. rate.
  • control information is a logical channel number, a sequence number, or a data length of the service data.
  • the RLC entity allocates service data and control information to the carrier, where the RLC is specifically: The entity allocates service data and control information to the carrier according to the bearer information, the data buffer status of the carrier, and the buffer status of the RLC entity.
  • the performing, by the MAC entity, the RLC group package of the service data is:
  • the RLC PDU Segment group packet is performed
  • the radio link control packet data unit RLC PDU group packet is performed.
  • a base station where the base station includes:
  • the carrier including a medium access control MAC entity
  • the MAC entity is configured to report the bearer information of the carrier to the RLC entity, where the RLC entity is configured to allocate service data and control information to the carrier, and send the service data and control information to the Said RLC proxy cache;
  • the RLC agent is configured to cache the service data and control information
  • the MAC entity is further configured to determine a user equipment that needs to be scheduled, obtain the service data and control information from the RLC agent, and send the service data to the user equipment.
  • the bearer information includes at least one of the following: a channel quality corresponding to the carrier, a load of the carrier, and the carrier can provide Rate of supply.
  • control information is a logical channel number, a sequence number, or a data length of the service data.
  • the RLC entity allocates service data and control information to the carrier, where the RLC is: The entity allocates service data and control information to the carrier according to the bearer information, the cache status of the RLC proxy, and the cache status of the RLC entity.
  • the MAC obtains the service data and the control information from the data cache of the RLC proxy, and the sending the service data to the user equipment is specifically:
  • the MAC entity sends a service data allocation request to the RLC proxy, and the RLC proxy performs an RLC group packet on the service data and sends the packet to the MAC entity; the MAC entity performs MAC on the service data after the RLC group packet.
  • the packet is sent and sent to the user equipment.
  • the MAC entity sends a service data allocation request to the RLC proxy, and receives the service data of the user equipment from the RLC proxy; the MAC entity performs an RLC group packet and a MAC group packet on the service data of the user equipment, And transmitting the service data after the MAC group packet to the user equipment.
  • the RLC proxy or the MAC entity performing the RLC group packet on the service data is specifically:
  • the RLC PDU Segment group packet is performed
  • the radio link control packet data unit RLC PDU group packet is performed.
  • FIG. 1 is a flowchart of a method for service scheduling according to an embodiment of the present invention
  • FIG. 2 is a flowchart of another method for service scheduling according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic structural diagram of another base station 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.
  • the embodiments are a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • GSM Global System for Mobi Le Communications
  • GPRS General Packet Radio Service
  • CDMA Code Division Multiple Access
  • CDMA2000 Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • LTE Long Term Evolution
  • FIG. 1 is a flowchart of a method for service scheduling according to an embodiment of the present invention.
  • the embodiment uses a multi-carrier scenario with N available carriers as an example.
  • the RLC entity can be deployed on the same board as a carrier, usually a baseband.
  • the other carriers are deployed on different boards.
  • the other carriers are configured with data cache.
  • the service scheduling method includes the following steps:
  • the MAC entity of the carrier CC reports the bearer information of the carrier to the RLC entity.
  • the bearer information includes at least one of the following: a channel quality corresponding to the carrier, a load of the carrier, a rate at which the carrier can be provided for the user equipment, and the like.
  • the carrier refers to the available carrier of the user equipment.
  • the base station may configure and activate one or more carriers for the user equipment, where the available carrier of the user equipment includes the foregoing activation. Carrier and primary carrier (the primary carrier does not need to be activated).
  • the RLC entity may also be another service entity having a service scheduling function.
  • the RLC entity allocates service data and control information to the carrier.
  • the above control information mainly refers to header information required for RLC grouping of service data, such as logical channel number, serial number or data length of service data.
  • the RLC entity may allocate the service data and the control information to the carrier.
  • the RLC entity may allocate the service data and the control information to the carrier according to the bearer information, the data buffer status of the carrier, and the buffer status of the RLC entity.
  • the RLC may determine the amount of service data allocated to the carrier according to the load of the carrier, the rate that the carrier can provide the user equipment, and the like, which is not limited in this embodiment.
  • the RLC entity can allocate data for multiple carriers at the same time.
  • This embodiment uses only one carrier as an example, but does not limit the present invention.
  • the RLC entity sends the foregoing service data and control information to a data cache of the carrier.
  • the RLC entity may also send the identifier of the foregoing carrier or the identifier of the foregoing user equipment to the carrier for caching.
  • the MAC entity determines a user equipment that needs to be scheduled.
  • the MAC entity may determine that the user equipment that needs to be scheduled may be that the MAC entity collects an ACK or a NACK message fed back by the user equipment, and when the ACK is received, the user equipment needs to be scheduled.
  • the MAC entity can schedule multiple user equipments at the same time.
  • This embodiment uses only one user equipment as an example, but does not limit the present invention.
  • the MAC entity obtains the foregoing service data and control information from the foregoing data cache.
  • the MAC entity performs an RLC group packet and a MAC group packet on the service data.
  • the MAC entity can perform RLC group packets on the above service data in the following cases:
  • TTI Transmission Time Interval
  • RLC PDU segment Radio Link Control Packet Data Unit
  • the MAC entity sends the service data after the group packet to the user equipment.
  • the RLC entity allocates service data to the carrier in advance according to the bearer information reported by the MAC entity, and sends the service data to the carrier data cache, where the MAC entity needs to schedule the user setting.
  • the business data is directly read from the above data cache.
  • the decoupling of the RLC entity to the MAC entity service data transmission and the MAC entity scheduling service is implemented to avoid excessive bandwidth requirements between the boards.
  • FIG. 2 is a flowchart of another method for service scheduling according to an embodiment of the present invention.
  • the application scenario is similar to the previous embodiment, but an RLC proxy is added between the carrier and the RLC entity, and the RLC proxy is configured with a data cache, and each carrier CC You can not set the data cache.
  • the service scheduling method includes the following steps:
  • the MAC entity of the carrier CC reports the bearer information of the carrier to the RLC entity.
  • the bearer information includes at least one of the following: a channel quality corresponding to the carrier, a load of the carrier, a rate at which the carrier can be provided for the user equipment, and the like.
  • the carrier refers to the available carrier of the user equipment.
  • the base station can configure and activate one or more carriers for the user equipment.
  • the available carriers of the user equipment include the activated carrier and the primary carrier. (The primary carrier does not need to be activated).
  • the RLC entity may also be another service entity having a service scheduling function.
  • the RLC entity allocates service data and control information to the carrier.
  • the above control information mainly refers to the header information required for RLC grouping of service data, such as the logical channel number, serial number or data length of the service data.
  • the RLC entity may allocate the service data and the control information to the carrier.
  • the RLC entity may allocate the service data and the control information to the carrier according to the bearer information, the data buffer status of the RLC proxy, and the buffer status of the RLC entity.
  • the RLC may determine the amount of service data allocated to the carrier according to the load of the carrier, the rate that the carrier can provide the user equipment, and the like, which is not limited in this embodiment.
  • the RLC entity can allocate data for multiple carriers at the same time. This embodiment only uses one of the carriers as an example, but does not limit the present invention.
  • the RLC entity sends the foregoing service data and control information to a data cache of the RLC agent.
  • the RLC entity may also send the identifier of the foregoing carrier or the identifier of the foregoing user equipment to the RLC agent for caching.
  • the MAC entity determines a user equipment that needs to be scheduled.
  • the MAC entity determines that the user equipment that needs to be scheduled may be that the MAC entity collects the ACK or NACK message fed back by the user equipment. When the ACK is received, the user equipment needs to be scheduled. In this embodiment, the MAC entity can schedule multiple user equipments at the same time. This embodiment uses only one user equipment as an example, but does not limit the present invention.
  • the MAC entity obtains the foregoing service data and control information from the RLC proxy data cache.
  • the RLC proxy can cache the service data and the control information for multiple user equipments.
  • This embodiment uses only one user equipment as an example, but does not limit the present invention.
  • the MAC entity sends the foregoing service data to the user equipment.
  • the above steps 205-206 may specifically be:
  • the MAC entity sends a service data allocation request to the RLC agent, and the RLC agent performs an RLC group packet on the service data and sends the packet to the MAC entity.
  • the MAC entity performs a MAC packet on the service data after the RLC group packet and sends the packet to the user equipment.
  • the MAC entity sends a service data allocation request to the RLC agent, and receives the service data of the user equipment from the RLC agent; the MAC entity performs an RLC group packet and a MAC group packet on the service data of the user equipment, and sends the service data after the MAC group packet Give the above user equipment.
  • the RLC group package for the service data of the user equipment may be specifically classified into the following cases:
  • the RLC entity allocates service data to the carrier in advance according to the bearer information reported by the MAC entity, and sends the service data to the RLC proxy for buffering.
  • the RLC entity directly reads from the data cache. Take business data. The decoupling of the RLC entity to the MAC entity service data transmission and the MAC entity scheduling service is implemented to avoid excessive bandwidth requirements between the boards.
  • the method provided by the embodiment of the present invention can be applied between different boards in the baseband unit BBU of the base station, and can also be applied between two or more baseband processing units BBU.
  • the embodiment of the present invention provides an embodiment of the apparatus for implementing the methods or steps in the foregoing method embodiments.
  • the details of the steps are not described in detail in the device embodiments. Reference may be made to the foregoing method embodiments.
  • FIG. 3 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • the base station includes: Carrier CC301, RLC entity 302, the above carrier CC301 includes a MAC entity 301 1 and a data cache 3012.
  • the MAC entity 301 is configured to report the bearer information of the carrier CC301 to the RLC entity 302.
  • the RLC entity 302 is configured to allocate service data and control information to the carrier, and send the service data and control information to the data cache 3012;
  • the MAC entity 3011 is further configured to determine the user equipment that needs to be scheduled, obtain the service data and the control information from the data cache 3012, perform an RLC group packet and a MAC group packet on the service data, and send the service data of the group packet to the service data.
  • the above user equipment is further configured to determine the user equipment that needs to be scheduled, obtain the service data and the control information from the data cache 3012, perform an RLC group packet and a MAC group packet on the service data, and send the service data of the group packet to the service data.
  • the bearer information of the carrier includes at least one of the following: a channel quality corresponding to the carrier, a load of the carrier, a rate that the carrier can provide for the user equipment, and the like.
  • the RLC entity can also be other business entities with service scheduling capabilities.
  • the above control information mainly refers to the header information required for RLC grouping of service data, such as the logical channel number, serial number or data length of the service data.
  • the RLC entity 302 may allocate the service data and the control information to the carrier.
  • the RLC entity may allocate the service data and the control information to the carrier according to the bearer information, the data buffer status of the carrier, and the buffer status of the RLC entity.
  • the MAC entity 3011 performs the RLC group packet on the service data, and may be divided into the following cases: (1) If the last transmission time interval (TTI) is performed on the RLC PDU segment group packet, the RLC PDU Segment group packet is performed. ;
  • the RLC entity allocates service data to the carrier in advance according to the bearer information reported by the MAC entity, and sends the service data to the carrier data cache.
  • the MAC entity needs to schedule the user equipment, directly from the foregoing data.
  • the cache reads business data. The decoupling of the RLC entity to the MAC entity service data transmission and the MAC entity scheduling service is implemented to avoid excessive bandwidth requirements between the boards.
  • FIG. 4 is a schematic structural diagram of another base station according to an embodiment of the present invention. As shown in FIG. 4, the base station includes:
  • the carrier CC 401, the RLC entity 402, and the RLC proxy 403, the carrier CC 401 includes a MAC entity 4011.
  • the MAC entity 401 1 is configured to report the bearer information of the carrier CC 401 to the RLC entity 402;
  • the RLC entity 402 is configured to allocate service data and control information for the foregoing carrier, and is also used to The data and control information are sent to the RLC proxy 403 cache;
  • An RLC proxy 403, configured to cache the foregoing service data and control information
  • the foregoing MAC entity 4011 is further configured to determine a user equipment that needs to be scheduled, obtain the foregoing service data and control information from the RLC proxy 403, and send the service data to the user equipment.
  • the bearer information of the carrier includes at least one of the following: a channel quality corresponding to the carrier, a load of the carrier, a rate that the carrier can provide for the user equipment, and the like.
  • the RLC entity can also be other business entities with service scheduling capabilities.
  • the above control information mainly refers to the header information required for RLC grouping of service data, such as the logical channel number, serial number or data length of the service data.
  • the RLC entity may allocate the service data and the control information to the carrier.
  • the RLC entity may allocate the service data and the control information to the carrier according to the bearer information, the data buffer status of the carrier, and the buffer status of the RLC entity.
  • the MAC entity may determine that the user equipment that needs to be scheduled may be that the MAC entity collects an ACK or a NACK message fed back by the user equipment, and when the ACK is received, the user equipment needs to be scheduled.
  • the MAC entity 4011 obtains the foregoing service data and control information from the RLC proxy 403, and the foregoing service data is sent to the user equipment.
  • the MAC entity sends a service data allocation request to the RLC agent, and the RLC agent performs an RLC group packet on the service data and sends the packet to the MAC entity.
  • the MAC entity performs a MAC packet on the service data after the RLC group packet and sends the packet to the user equipment.
  • the MAC entity sends a service data allocation request to the RLC agent, and receives the service data of the user equipment from the RLC agent; the MAC entity performs an RLC group packet and a MAC group packet on the service data of the user equipment, and sends the service data after the MAC group packet Give the above user equipment.
  • the RLC proxy or the MAC entity performs RLC grouping on the service data of the user equipment, which may be divided into the following situations:
  • the RLC entity advances the carrier according to information such as bearer information reported by the MAC entity.
  • the service data is allocated, and the service data is sent to the RLC agent for caching.
  • the service data is directly read from the data cache. The decoupling of the RLC entity to the MAC entity service data transmission and the MAC entity scheduling service is implemented to avoid excessive bandwidth requirements between the boards.
  • the MAC entity, the RLC entity, the RLC proxy, and the like in the various embodiments of the present invention may also be referred to as a unit, a module, etc., but only functionally or logically.
  • the specifics may be in the form of software, and the functions are implemented by the processor executing the program code; or may be in the form of hardware, or a combination of other software and hardware, and the invention does not impose any limitation.
  • the MAC entity 3011 and the RLC entity 302 can be respectively implemented by a processor calling a corresponding program or pure hardware, and the MAC entity 4011, the RLC entity 402, and the RLC agent 403 can respectively process.
  • the program is called by the corresponding program or pure hardware.
  • Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
  • a storage medium may be any available media that can be accessed by a computer.
  • the computer readable medium can comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, disk storage media or other magnetic storage device, or can be used to carry or store an instruction or data structure.
  • connection may suitably be a computer readable medium.
  • the software is transmitted from a website, server, or other remote source using coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technologies such as infrared, radio, and microwave
  • coaxial cable , fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, wireless, and microwaves are included in the fixing of the associated media.
  • a disc (Di sk ) and a disc (di sc ) include a compact disc (CD), a laser disc, a compact disc, a digital versatile disc (DVD), a floppy disk, and a Blu-ray disc, wherein the disc is usually magnetically replicated.
  • the disc uses a laser to optically replicate the data. Combinations of the above should also be included within the scope of the computer readable media.

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Abstract

本发明实施例公开了一种业务调度的方法和基站。所述方法包括:载波的媒体接入控制(MAC)实体将所述载波的承载信息上报给无线链路控制(RLC)实体(101);所述RLC实体为所述载波分配业务数据和控制信息(102),并将所述业务数据和控制信息发送给所述载波的数据缓存(103);所述MAC实体确定需要调度的用户设备(UE)(104),从所述数据缓存中获取所述业务数据和控制信息(105);所述MAC实体对所述业务数据进行RLC组包和MAC组包(106),并将组包后的业务数据发送给所述UE(107)。应用本发明,实现了RLC实体到MAC实体业务数据传输和MAC实体调度业务的解耦,避免单板间出现过高的带宽需求。

Description

业务调度的方法和基站
技术领域 本发明实施例涉及通信技术领域, 尤其涉及业务调度的方法和基站。 背景技术 长期演进 (Long Term Evolution, LTE ) 系统中, 通过载波聚合 (Carrier Aggregation, CA) 技术, 用户设备 (User Equipment , UE) 可以同时在多个载 波 (Component Carrier, CO 收发数据, 更好的实现载波间平衡, 提升网络性 能。 上述载波也可以称为分量载波或载波单元。
现有基站 eNB 中, 包数据汇聚协议 (PDCP , Packet Data Convergence Protocol ) 实体和无线链路控制 (Radio Link Control , RLC) 实体集中管理, 媒体接入控制 (Medium Access Control , MAC) 实体调度和层 1 (Layer 1, LI ) 实体分散管理。 在多载波场景下 (例如有 N个可用载波) , PDCP实体和 RLC实 体可以和一个载波部署在同一个单板 (通常是基带板) , 其它各个载波分别部 署在不同的单板。 以目前 LTE标准支持的最大载波数为例, 在单用户设备峰值 速率 3Gbps 下, 一个用户设备在一个传输时间间隔 (Transmission Time Interval , TTI ) 的无线链路控制实体输出数据量为 3兆比特, 如果只有一个载 波和 RLC实体在同一块单板, 则输出到其它单板的数据量为 2. 4兆比特。 若按 照 100微秒的传输时延要求的话,则单板间的数据传输要求的带宽则是 24Gbps。 若考虑支持 3个扇区的话, 则单板间的数据传输的带宽需求更高。
目前基站中的基带单元 (BaseBand Unit , BBU ) 很难满足这么高的带宽需 求。 发明内容 有鉴于此, 本发明实施例提供了一种业务调度的方法和基站, 以解决单板 间传输带宽需求过高的问题。
第一方面, 提供了一种业务调度的方法, 包括:
载波的媒体接入控制 MAC 实体将所述载波的承载信息上报给无线链路控制 RLC实体;
所述 RLC 实体为所述载波分配业务数据和控制信息, 并将所述业务数据和 控制信息发送给所述载波的数据缓存;
所述 MAC 实体确定需要调度的用户设备, 从所述数据缓存中获取所述业务 数据和控制信息;
所述 MAC实体对所述业务数据进行 RLC组包和 MAC组包, 并将组包后的业 务数据发送给所述用户设备。
在第一方面第一种可能的实现方式中, 所述承载信息包括以下至少之一: 所述载波对应的信道质量、 所述载波的负载、 所述载波能够为所有用户设备提 供的速率。
在第一方面第二种可能的实现方式中, 所述控制信息为所述业务数据的逻 辑信道号码、 序列号或数据长度。
结合第一方面或第一方面第一种或第二种可能的实现方式, 在第三种可能 的实现方式中, 所述 RLC实体为所述载波分配业务数据和控制信息具体为: 所 述 RLC实体根据所述承载信息、 所述载波的数据缓存状态、 所述 RLC实体的缓 存状态, 为所述载波分配业务数据和控制信息。
在第一方面第四种可能的实现方式中, 所述 MAC 实体对所述业务数据进行 RLC组包具体为:
如果上一个传输时间间隔 TTI 进行了无线链路控制包数据单元片 RLC PDU segment组包, 贝 lj进行 RLC PDU Segment组包;
如果当前仅有一个序列号 SN剩余,所述业务数据无法在当前 TTI一次发完, 则进行 RLC PDU segment组包;
除上述两种情况外, 进行无线链路控制包数据单元 RLC PDU组包。
第二方面, 提供了一种业务调度的方法, 其特征在于, 所述方法包括: 载波的媒体接入控制 MAC 实体将所述载波的承载信息上报给无线链路控制
RLC实体;
所述 RLC 实体为所述载波分配业务数据和控制信息, 并将所述业务数据和 控制信息发送给 RLC代理的数据缓存;
所述 MAC实体确定需要调度的用户设备;
所述 MAC实体从所述 RLC代理的数据缓存获取所述业务数据和控制信息, 将所述业务数据发送给所述用户设备。 在第二方面第一种可能的实现方式中, 所述承载信息包括以下至少之一: 所述载波对应的信道质量、 所述载波的负载、 所述载波能够为所有用户设备提 供的速率。
在第二方面第二种可能的实现方式中, 所述控制信息为所述业务数据的逻 辑信道号码、 序列号或数据长度。
结合第二方面或第二方面第一种或第二种可能的实现方式, 在第三种可能 的实现方式中, 所述 RLC实体为所述载波分配业务数据和控制信息具体为: 所 述 RLC实体根据所述承载信息、 所述 RLC代理的数据缓存状态、 所述 RLC实体 的缓存状态, 为所述载波分配业务数据和控制信息。
在第二方面第四种可能的实现方式中, 所述 MAC实体从所述 RLC代理的数 据缓存获取所述业务数据和控制信息, 将所述业务数据发送给所述用户设备具 体为:
所述 MAC实体向所述 RLC代理发送业务数据分配请求, 所述 RLC代理对所 述业务数据进行 RLC组包并发送给所述 MAC实体; 所述 MAC实体对 RLC组包后 的业务数据进行 MAC组包并发送给所述用户设备。
或者,
所述 MAC实体向所述 RLC代理发送业务数据分配请求, 从所述 RLC代理接 收所述用户设备的业务数据;所述 MAC实体对所述用户设备的业务数据进行 RLC 组包和 MAC组包, 并将 MAC组包后的业务数据发送给所述用户设备。
结合第二方面第四种可能的实现方式, 在第五种可能的实现方式中, 所述
RLC代理或者所述 MAC实体对所述业务数据进行 RLC组包具体为:
如果上一个传输时间间隔 TTI 进行了无线链路控制包数据单元片 RLC PDU segment组包, 则进行 RLC PDU Segment组包;
如果当前仅有一个序列号 SN剩余,所述业务数据无法在当前 TTI一次发完, 则进行 RLC PDU segment组包;
除上述两种情况外, 进行无线链路控制包数据单元 RLC PDU组包。
第三方面, 提供了一种基站, 所述基站包括:
载波、 无线链路控制 RLC实体, 所述载波包括媒体接入控制 MAC实体、 数 据缓存;
所述 MAC实体, 用于将所述载波的承载信息上报给所述 RLC实体; 所述 RLC 实体, 用于为所述载波分配业务数据和控制信息, 并将所述业务 数据和控制信息发送给所述数据缓存;
所述 MAC 实体, 还用于确定需要调度的用户设备, 从所述数据缓存获取所 述业务数据和控制信息, 对所述业务数据进行 RLC组包和 MAC组包, 将组包后 的业务数据发送给所述用户设备。
在第三方面的第一种可能的实现方式中, 所述载波的承载信息包括以下至 少之一: 所述载波对应的信道质量、 所述载波的负载、 所述载波能够为所有用 户设备提供的速率。
在第三方面的第二种可能的实现方式中, 所述控制信息为所述业务数据的 逻辑信道号码、 序列号或数据长度。
结合第三方面或第三方面第一种或第二种可能的实现方式, 在第三种可能 的实现方式中, 所述 RLC实体为所述载波分配业务数据和控制信息具体为: 所 述 RLC实体根据所述承载信息、 所述载波的数据缓存状态、 所述 RLC实体的缓 存状态, 为所述载波分配业务数据和控制信息。
结合第三方面的第三种可能的实现方式, 在第四种可能的实现方式中, 所 述 MAC实体对所述业务数据进行 RLC组包具体为:
如果上一个传输时间间隔 TTI 进行了无线链路控制包数据单元片 RLC PDU segment组包, 则进行 RLC PDU Segment组包;
如果当前仅有一个序列号 SN剩余,所述业务数据无法在当前 TTI一次发完, 则进行 RLC PDU segment组包;
除上述两种情况外, 进行无线链路控制包数据单元 RLC PDU组包。
第四方面, 提供了一种基站, 所述基站包括:
载波、 无线链路控制 RLC实体以及 RLC代理, 所述载波包括媒体接入控制 MAC实体;
所述 MAC实体, 用于将所述载波的承载信息上报给所述 RLC实体; 所述 RLC 实体, 用于为所述载波分配业务数据和控制信息, 将所述业务数 据和控制信息发送给所述 RLC代理缓存;
所述 RLC代理, 用于缓存所述业务数据和控制信息;
所述 MAC实体, 还用于确定需要调度的用户设备, 从所述 RLC代理获取所 述业务数据和控制信息, 并将所述业务数据发送给所述用户设备。
在第四方面的第一种可能的实现方式中, 所述承载信息包括以下至少之一: 所述载波对应的信道质量、 所述载波的负载、 所述载波能够为所有用户设备提 供的速率。
在第四方面的第二种可能的实现方式中, 所述控制信息为所述业务数据的 逻辑信道号码、 序列号或数据长度。
结合第四方面或第四方面第一种或第二种可能的实现方式, 在第三种可能 的实现方式中, 所述 RLC实体为所述载波分配业务数据和控制信息具体为: 所述 RLC实体根据所述承载信息、 所述 RLC代理的缓存状态、 所述 RLC实 体的缓存状态, 为所述载波分配业务数据和控制信息。
在第四方面的第四种可能的实现方式中, 所述 MAC从所述 RLC代理的数据 缓存获取所述业务数据和控制信息, 将所述业务数据发送给所述用户设备具体 为:
所述 MAC实体向所述 RLC代理发送业务数据分配请求, 所述 RLC代理对所 述业务数据进行 RLC组包并发送给所述 MAC实体; 所述 MAC实体对 RLC组包后 的业务数据进行 MAC组包并发送给所述用户设备。
或者,
所述 MAC实体向所述 RLC代理发送业务数据分配请求, 从所述 RLC代理接 收所述用户设备的业务数据;所述 MAC实体对所述用户设备的业务数据进行 RLC 组包和 MAC组包, 并将 MAC组包后的业务数据发送给所述用户设备。
结合第四方面的第四种可能的实现方式, 在第五种可能的实现方式中, 所 述 RLC代理或者所述 MAC实体对所述业务数据进行 RLC组包具体为:
如果上一个传输时间间隔 TTI 进行了无线链路控制包数据单元片 RLC PDU segment组包, 则进行 RLC PDU Segment组包;
如果当前仅有一个序列号 SN剩余,所述业务数据无法在当前 TTI一次发完, 则进行 RLC PDU segment组包;
除上述两种情况外, 进行无线链路控制包数据单元 RLC PDU组包。
通过上述方案, RLC实体根据 MAC实体上报的承载信息等信息提前为载波分 配业务数据, 并将该业务数据发送到载波或 RLC代理数据缓存, 在 MAC实体需 要调度用户设备时, 直接从上述数据缓存读取业务数据。实现了 RLC实体到 MAC 实体业务数据传输和 MAC实体调度业务的解耦, 避免单板间出现过高的带宽需 求。 附图说明 图 1为本发明实施例提供的一种业务调度的方法流程图;
图 2为本发明实施例提供的另一种业务调度的方法流程图;
图 3为本发明实施例提供的一种基站的结构示意图;
图 4为本发明实施例提供的另一种基站的结构示意图。 具体实施方式 为使本发明实施例的目的、 技术方案和优点更加清楚, 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。
本发明实施例的技术方案, 可以直接或经过适应性改变应用于各种无线通 信系统, 例如: 全球移动通信系统 (Global System for Mobi le Communications , GSM) 、 通用分组无线业务 (General Packet Radio Service , GPRS ) 系统、 码分多址 (Code Division Multiple Access , CDMA) 系统、 CDMA2000系统、 宽带码分多址 (Wideband Code Division Multiple Access , WCDMA ) 系统、 长期演进 (Long Term Evolution, LTE) 系统等。
图 1为本发明实施例提供的一种业务调度的方法流程图,该实施例以具有 N 个可用载波的多载波场景为例, RLC实体可以和一个载波部署在同一个单板, 通常是基带板, 其它各个载波 CC分别部署在不同的单板, 其它载波均设置有数 据缓存。 为了简便, 图 1 中仅给出了其中一个载波与 RLC实体的交互过程。 如 图 1所示, 该业务调度方法包括以下歩骤:
101、 载波 CC的 MAC实体将载波的承载信息上报给 RLC实体。
上述承载信息包括以下至少之一: 载波对应的信道质量、 载波的负载、 载 波能够为用户设备提供的速率等。
需要说明的是, 本发明实施例中, 载波均指的是用户设备的可用载波, 在 多载波场景下, 基站可以为用户设备配置且激活一个或多个载波, 用户设备的 可用载波包括上述激活的载波和主载波 (主载波不需要激活) 。
本实施例中, RLC实体还可以是具备业务调度功能的其他业务实体。
102、 RLC实体为上述载波分配业务数据和控制信息。 上述控制信息主要是指对业务数据进行 RLC 组包所需的头信息, 如业务数 据的逻辑信道号码、 序列号或数据长度等。
RLC实体为上述载波分配业务数据和控制信息具体可以是, RLC实体根据上 述承载信息、 载波的数据缓存状态、 RLC实体的缓存状态, 为上述载波分配业务 数据和控制信息。
进一歩具体可以是, 在上述载波对应的信道质量较好时, 为上述载波分配 较多的数据及对应的控制信息, 而在信道质量较差是, 分配较少的数据甚至不 分配数据。 当然, RLC也可以根据载波的负载、 载波能够为用户设备提供的速率 等因素确定为该载波分配的业务数据量, 本实施例不做限制。
需要说明的是, RLC实体可以同时为多个载波分配数据, 本实施例仅以其中 一个载波作为示例, 但并不对本发明进行限制。
103、 RLC实体将上述业务数据和控制信息发送给上述载波的数据缓存。
RLC 实体还可以将上述载波的标识或上述用户设备的标识发送给上述载波 进行缓存。
104、 MAC实体确定需要调度的用户设备。
MAC实体确定需要调度的用户设备具体可以是, MAC实体收集用户设备反馈 的 ACK或者 NACK消息, 在收到 ACK时, 则认为用户设备需要调度。
本实施例中, MAC实体可以同时调度多个用户设备, 本实施例仅以一个用户 设备为例, 但并不对本发明进行限制。
105、 MAC实体从上述数据缓存中获取上述业务数据和控制信息。
106、 MAC实体对上述业务数据进行 RLC组包和 MAC组包。
MAC实体对上述业务数据进行 RLC组包具体可以分以下几种情况:
( 1 ) 如果上一个传输时间间隔 (Transmission Time Interval , TTI ) 进 行了无线链路控制包数据单元片 (Radio Link Control Packet Data Unit segment, RLC PDU segment ) 组包, 贝 lj进行 RLC PDU Segment组包;
( 2 ) 如果当前仅有一个序列号 ( Sequence Number, SN) 剩余, 业务数据 无法在当前 TTI一次发完, 则进行 RLC PDU segment组包;
(3) 除上述两种情况外, 进行 RLC PDU组包。
107、 MAC实体将上述组包后的业务数据发送给上述用户设备。
本实施例中, RLC实体根据 MAC实体上报的承载信息等信息提前为载波分配 业务数据, 并将该业务数据发送到载波数据缓存, 在 MAC实体需要调度用户设 备时, 直接从上述数据缓存读取业务数据。 实现了 RLC实体到 MAC实体业务数 据传输和 MAC实体调度业务的解耦, 避免单板间出现过高的带宽需求。
图 2 为本发明实施例提供的另一种业务调度的方法流程图, 应用场景与上 一实施例类似, 但在载波和 RLC实体间增加了 RLC代理, RLC代理设置有数据缓 存, 各载波 CC可以不设置数据缓存。 如图 2所示, 该业务调度方法包括以下歩 骤:
201、 载波 CC的 MAC实体将载波的承载信息上报给 RLC实体。
上述承载信息包括以下至少之一: 载波对应的信道质量、 载波的负载、 载 波能够为用户设备提供的速率等。
本发明实施例中, 载波均指的是用户设备的可用载波, 在多载波场景下, 基站可以为用户设备配置且激活一个或多个载波, 用户设备的可用载波包括上 述激活的载波和主载波 (主载波不需要激活) 。
本实施例中, RLC实体还可以是具备业务调度功能的其他业务实体。
202、 RLC实体为上述载波分配业务数据和控制信息。
上述控制信息主要是指对业务数据进行 RLC 组包所需的头信息, 如业务数 据的逻辑信道号码、 序列号或数据长度等。
RLC实体为上述载波分配业务数据和控制信息具体可以是, RLC实体根据上 述承载信息、 RLC代理的数据缓存状态、 RLC实体的缓存状态, 为上述载波分配 业务数据和控制信息。
进一歩具体可以是, 在上述载波对应的信道质量较好时, 为上述载波分配 较多的数据及对应的控制信息, 而在信道质量较差是, 分配较少的数据甚至不 分配数据。 当然, RLC也可以根据载波的负载、 载波能够为用户设备提供的速率 等因素确定为该载波分配的业务数据量, 本实施例不做限制。
需要说明的是, RLC实体可以同时为多个载波分配数据, 本实施例仅以其中 —个载波作为示例, 但并不对本发明进行限制。
203、 RLC实体将上述业务数据和控制信息发送给 RLC代理的数据缓存。 RLC实体还可以将上述载波的标识或上述用户设备的标识发送给 RLC代理进 行缓存。
204、 MAC实体确定需要调度的用户设备。
MAC实体确定需要调度的用户设备具体可以是, MAC实体收集用户设备反馈 的 ACK或者 NACK消息, 在收到 ACK时, 则认为用户设备需要调度。 本实施例中, MAC实体可以同时调度多个用户设备, 本实施例仅以一个用户 设备为例, 但并不对本发明进行限制。
205、 MAC实体从 RLC代理数据缓存获取上述业务数据和控制信息。
本实施例中, RLC代理可以为多个用户设备缓存业务数据和控制信息, 本实 施例仅以一个用户设备为例, 但并不对本发明进行限制。
206、 MAC实体将上述业务数据发送给上述用户设备。
上述歩骤 205-206具体可以是:
MAC实体向 RLC代理发送业务数据分配请求, RLC代理对上述业务数据进行 RLC组包并发送给上述 MAC实体; MAC实体对 RLC组包后的业务数据进行 MAC组 包并发送给上述用户设备。
或者,
MAC实体向 RLC代理发送业务数据分配请求,从 RLC代理接收上述用户设备 的业务数据; MAC实体对上述用户设备的业务数据进行 RLC组包和 MAC组包, 并 将 MAC组包后的业务数据发送给上述用户设备。
本实施例中, 对上述用户设备的业务数据进行 RLC组包具体可以分以下几 种情况:
( 1 ) 如果上一个传输时间间隔 (Transmi ssion Time Interval , TTI ) 进 行了 RLC PDU segment组包, 则进行 RLC PDU Segment组包;
( 2 ) 如果当前仅有一个序列号 ( Sequence Number, SN) 剩余, 业务数据 无法在当前 TTI一次发完, 则进行 RLC PDU segment组包;
( 3 ) 除上述两种情况外, 进行 RLC PDU组包。
本实施例中, RLC实体根据 MAC实体上报的承载信息等信息提前为载波分配 业务数据, 并将该业务数据发送到 RLC代理进行缓存, 在 MAC实体需要调度用 户设备时, 直接从上述数据缓存读取业务数据。 实现了 RLC实体到 MAC实体业 务数据传输和 MAC实体调度业务的解耦, 避免单板间出现过高的带宽需求。
本发明实施例提供的方法可以应用于基站中基带单元 BBU 内部不同单板之 间, 还可以应用于两个或多个基带处理单元 BBU之间。
本发明实施例进一歩给出实现上述方法实施例中各方法或歩骤的装置实施 例, 部分歩骤的细节在装置实施例中不再详细描述, 可以参考上述方法实施例。
图 3为本发明实施例提供的一种基站结构示意图, 如图 3所示, 该基站包 括: 载波 CC301、 RLC实体 302, 上述载波 CC301包括 MAC实体 301 1、 数据缓存 3012 ο
MAC实体 301 1, 用于将载波 CC301的承载信息上报给 RLC实体 302 ;
RLC实体 302, 用于为上述载波分配业务数据和控制信息, 并将上述业务数 据和控制信息发送给数据缓存 3012 ;
上述 MAC实体 3011, 还用于确定需要调度的用户设备, 从数据缓存 3012获 取上述业务数据和控制信息, 对上述业务数据进行 RLC组包和 MAC组包, 将上 述组包后的业务数据发送给上述用户设备。
本实施例中, 载波的承载信息包括以下至少之一: 载波对应的信道质量、 载波的负载、 载波能够为用户设备提供的速率等。
RLC实体还可以是具备业务调度功能的其他业务实体。
上述控制信息主要是指对业务数据进行 RLC 组包所需的头信息, 如业务数 据的逻辑信道号码、 序列号或数据长度等。
RLC实体 302为上述载波分配业务数据和控制信息具体可以是, RLC实体根 据上述承载信息、 载波的数据缓存状态、 RLC实体的缓存状态, 为上述载波分配 业务数据和控制信息。
MAC实体 3011对上述业务数据进行 RLC组包具体可以分以下几种情况: ( 1 ) 如果上一个传输时间间隔 (Transmission Time Interval , TTI ) 进 行了 RLC PDU segment组包, 则进行 RLC PDU Segment组包;
( 2 ) 如果当前仅有一个序列号 (Sequence Number, SN) 剩余, 业务数据 无法在当前 TTI一次发完, 则进行 RLC PDU segment组包;
(3) 除上述两种情况外, 进行 RLC PDU组包。
本实施例提供的基站中, RLC实体根据 MAC实体上报的承载信息等信息提前 为载波分配业务数据, 并将该业务数据发送到载波数据缓存, 在 MAC实体需要 调度用户设备时, 直接从上述数据缓存读取业务数据。 实现了 RLC 实体到 MAC 实体业务数据传输和 MAC实体调度业务的解耦, 避免单板间出现过高的带宽需 求。
图 4为本发明实施例提供的另一种基站结构示意图, 如图 4所示, 该基站 包括:
载波 CC401、RLC实体 402以及 RLC代理 403,载波 CC401包括 MAC实体 4011。
MAC实体 401 1, 用于将载波 CC401的承载信息上报给 RLC实体 402 ;
RLC实体 402, 用于为上述载波分配业务数据和控制信息, 还用于将上述业 务数据和控制信息发送给 RLC代理 403缓存;
RLC代理 403, 用于缓存上述业务数据和控制信息;
上述 MAC实体 4011, 还用于确定需要调度的用户设备, 从 RLC代理 403获 取上述业务数据和控制信息, 并将上述业务数据发送给上述用户设备。
本实施例中, 载波的承载信息包括以下至少之一: 载波对应的信道质量、 载波的负载、 载波能够为用户设备提供的速率等。
RLC实体还可以是具备业务调度功能的其他业务实体。
上述控制信息主要是指对业务数据进行 RLC 组包所需的头信息, 如业务数 据的逻辑信道号码、 序列号或数据长度等。
RLC实体为上述载波分配业务数据和控制信息具体可以是, RLC实体根据上 述承载信息、 载波的数据缓存状态、 RLC实体的缓存状态, 为上述载波分配业务 数据和控制信息。
MAC实体确定需要调度的用户设备具体可以是, MAC实体收集用户设备反馈 的 ACK或者 NACK消息, 在收到 ACK时, 则认为用户设备需要调度。
MAC实体 4011从 RLC代理 403获取上述业务数据和控制信息, 并将上述业 务数据发送给上述用户设备具体可以是:
MAC实体向 RLC代理发送业务数据分配请求, RLC代理对上述业务数据进行 RLC组包并发送给上述 MAC实体; MAC实体对 RLC组包后的业务数据进行 MAC组 包并发送给上述用户设备。
或者,
MAC实体向 RLC代理发送业务数据分配请求,从 RLC代理接收上述用户设备 的业务数据; MAC实体对上述用户设备的业务数据进行 RLC组包和 MAC组包, 并 将 MAC组包后的业务数据发送给上述用户设备。
本实施例中, RLC代理或 MAC实体对上述用户设备的业务数据进行 RLC组包 具体可以分以下几种情况:
( 1 ) 如果上一个传输时间间隔 (Transmi ssion Time Interval , TTI ) 进 行了 RLC PDU segment组包, 则进行 RLC PDU Segment组包;
( 2 ) 如果当前仅有一个序列号 ( Sequence Number, SN) 剩余, 业务数据 无法在当前 TTI一次发完, 则进行 RLC PDU segment组包;
( 3 ) 除上述两种情况外, 进行 RLC PDU组包。
本装置实施例中, RLC实体根据 MAC实体上报的承载信息等信息提前为载波 分配业务数据, 并将该业务数据发送到 RLC代理进行缓存, 在 MAC实体需要调 度用户设备时, 直接从上述数据缓存读取业务数据。 实现了 RLC实体到 MAC实 体业务数据传输和 MAC实体调度业务的解耦, 避免单板间出现过高的带宽需求。
需要说明的是,本发明各个实施例中的 MAC实体、 RLC实体、 RLC代理等, 也可以称为单元、 模块等, 仅仅是从功能或逻辑上进行的划分。 其具体可以 为软件形式, 通过处理器执行程序代码来实现其功能; 也可以为硬件形式, 或者是其它软件硬件结合的形式, 本发明不做任何限制。 例如, 图 3和图 4 对应的装置实施例中, MAC实体 3011、 RLC实体 302可以分别通过处理器调用 相应程序或者纯硬件来实现, MAC实体 4011、 RLC实体 402、 RLC代理 403可以 分别通过处理器调用相应程序或者纯硬件来实现。
通过以上的实施方式的描述, 所属领域的技术人员可以清楚地了解到本发 明可以用硬件实现, 或固件实现, 或它们的组合方式来实现。 当使用软件实现 时, 可以将上述功能存储在计算机可读介质中或作为计算机可读介质上的一个 或多个指令或代码进行传输。 计算机可读介质包括计算机存储介质和通信介质, 其中通信介质包括便于从一个地方向另一个地方传送计算机程序的任何介质。 存储介质可以是计算机能够存取的任何可用介质。 以此为例但不限于: 计算机 可读介质可以包括 RAM、 ROM, EEPR0M、 CD-ROM或其他光盘存储、 磁盘存储介质 或者其他磁存储设备、 或者能够用于携带或存储具有指令或数据结构形式的期 望的程序代码并能够由计算机存取的任何其他介质。 此外。 任何连接可以适当 的成为计算机可读介质。 例如, 如果软件是使用同轴电缆、 光纤光缆、 双绞线、 数字用户线 (DSL ) 或者诸如红外线、 无线电和微波之类的无线技术从网站、 服 务器或者其他远程源传输的, 那么同轴电缆、 光纤光缆、 双绞线、 DSL或者诸如 红外线、 无线和微波之类的无线技术包括在所属介质的定影中。 如本发明所使 用的, 盘 (Di sk ) 和碟 (di sc ) 包括压縮光碟 (CD ) 、 激光碟、 光碟、 数字通 用光碟 (DVD ) 、 软盘和蓝光光碟, 其中盘通常磁性的复制数据, 而碟则用激光 来光学的复制数据。 上面的组合也应当包括在计算机可读介质的保护范围之内。
总之, 以上所述仅为本发明技术方案的较佳实施例而已, 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、 一种业务调度的方法, 其特征在于, 所述方法包括:
载波的媒体接入控制 MAC实体将所述载波的承载信息上报给无线链路控制 RLC实体;
所述无线链路控制 RLC实体为所述载波分配业务数据和控制信息, 并将所 述业务数据和控制信息发送给所述载波的数据缓存;
所述 MAC实体确定需要调度的用户设备, 从所述数据缓存中获取所述业务 数据和控制信息;
所述 MAC实体对所述业务数据进行 RLC组包和 MAC组包, 并将组包后的业 务数据发送给所述用户设备。
2、根据权利要求 1所述的方法, 其特征在于, 所述承载信息包括以下至少 之一: 所述载波对应的信道质量、 所述载波的负载、 所述载波能够为所有用户 设备提供的速率。
3、 根据权利要求 1所述的方法, 其特征在于, 所述控制信息为所述业务 数据的逻辑信道号码、 序列号或数据长度。
4、 根据权利要求 1-3任一所述的方法, 其特征在于, 所述 RLC实体为所 述载波分配业务数据和控制信息具体为: 所述 RLC实体根据所述承载信息、 所 述载波的数据缓存状态、 所述 RLC实体的缓存状态, 为所述载波分配业务数据 和控制信息。
5、 根据权利要求 1所述的方法, 其特征在于, 所述 MAC实体对所述业务 数据进行 RLC组包具体为:
如果上一个传输时间间隔 TTI进行了无线链路控制包数据单元片 RLC PDU segment组包, 则进行 RLC PDU Segment组包;
如果当前仅有一个序列号 SN剩余,所述业务数据无法在当前 TTI一次发完, 则进行 RLC PDU segment组包;
除上述两种情况外, 进行无线链路控制包数据单元 RLC PDU组包。
6、 一种业务调度的方法, 其特征在于, 所述方法包括:
载波的媒体接入控制 MAC实体将所述载波的承载信息上报给无线链路控制
RLC实体;
所述 RLC实体为所述载波分配业务数据和控制信息, 并将所述业务数据和 控制信息发送给 RLC代理的数据缓存;
所述 MAC实体确定需要调度的用户设备;
所述 MAC实体从所述 RLC代理的数据缓存获取所述业务数据和控制信息, 将所述业务数据发送给所述用户设备。
7、 根据权利要求 6所述的方法, 其特征在于, 所述承载信息包括以下至 少之一: 所述载波对应的信道质量、 所述载波的负载、 所述载波能够为所有用 户设备提供的速率。
8、 根据权利要求 6所述的方法, 其特征在于, 所述控制信息为所述业务 数据的逻辑信道号码、 序列号或数据长度。
9、 根据权利要求 6-8任一所述的方法, 其特征在于, 所述 RLC实体为所 述载波分配业务数据和控制信息具体为: 所述 RLC实体根据所述承载信息、 所 述 RLC代理的数据缓存状态、 所述 RLC实体的缓存状态, 为所述载波分配业务 数据和控制信息。
10、 根据权利要求 6所述的方法, 其特征在于, 所述 MAC实体从所述 RLC 代理的数据缓存获取所述业务数据和控制信息, 将所述业务数据发送给所述用 户设备具体为:
所述 MAC实体向所述 RLC代理发送业务数据分配请求, 所述 RLC代理对所 述业务数据进行 RLC组包并发送给所述 MAC实体; 所述 MAC实体对 RLC组包后 的业务数据进行 MAC组包并发送给所述用户设备;
或者,
所述 MAC实体向所述 RLC代理发送业务数据分配请求, 从所述 RLC代理接 收所述用户设备的业务数据;所述 MAC实体对所述用户设备的业务数据进行 RLC 组包和 MAC组包, 并将 MAC组包后的业务数据发送给所述用户设备。
11、 根据权利要求 10所述的方法, 其特征在于, 所述 RLC代理或者所述 MAC实体对所述业务数据进行 RLC组包具体为:
如果上一个传输时间间隔 TTI进行了无线链路控制包数据单元片 RLC PDU segment组包, 则进行 RLC PDU Segment组包;
如果当前仅有一个序列号 SN剩余,所述业务数据无法在当前 TTI一次发完, 则进行 RLC PDU segment组包;
除上述两种情况外, 进行无线链路控制包数据单元 RLC PDU组包。
12、 一种基站, 其特征在于, 所述基站包括: 载波、 无线链路控制 RLC实体, 所述载波包括媒体接入控制 MAC实体、 数 据缓存;
所述 MAC实体, 用于将所述载波的承载信息上报给所述 RLC实体; 所述 RLC实体, 用于为所述载波分配业务数据和控制信息, 并将所述业务 数据和控制信息发送给所述数据缓存;
所述 MAC实体, 还用于确定需要调度的用户设备, 从所述数据缓存获取所 述业务数据和控制信息, 对所述业务数据进行 RLC组包和 MAC组包, 将组包后 的业务数据发送给所述用户设备。
13、 根据权利要求 12所述的基站, 其特征在于, 所述载波的承载信息包括 以下至少之一: 所述载波对应的信道质量、 所述载波的负载、 所述载波能够为 所有用户设备提供的速率。
14、 根据权利要求 12所述的基站, 其特征在于, 所述控制信息为所述业务 数据的逻辑信道号码、 序列号或数据长度。
15、 根据权利要求 12-14任一所述的基站, 其特征在于, 所述 RLC实体为 所述载波分配业务数据和控制信息具体为: 所述 RLC实体根据所述承载信息、 所述载波的数据缓存状态、 所述 RLC实体的缓存状态, 为所述载波分配业务数 据和控制信息。
16、 根据权利要求 12所述的基站, 其特征在于, 所述 MAC实体对所述业务 数据进行 RLC组包具体为:
如果上一个传输时间间隔 TTI进行了无线链路控制包数据单元片 RLC PDU segment组包, 则进行 RLC PDU Segment组包;
如果当前仅有一个序列号 SN剩余,所述业务数据无法在当前 TTI一次发完, 则进行 RLC PDU segment组包;
除上述两种情况外, 进行无线链路控制包数据单元 RLC PDU组包。
17、 一种基站, 其特征在于, 所述基站包括:
载波、 无线链路控制 RLC实体以及 RLC代理, 所述载波包括媒体接入控制 MAC实体;
所述 MAC实体, 用于将所述载波的承载信息上报给所述 RLC实体; 所述 RLC实体, 用于为所述载波分配业务数据和控制信息, 将所述业务数 据和控制信息发送给所述 RLC代理缓存;
所述 RLC代理, 用于缓存所述业务数据和控制信息; 所述 MAC实体, 还用于确定需要调度的用户设备, 从所述 RLC代理获取所 述业务数据和控制信息, 并将所述业务数据发送给所述用户设备。
18、 根据权利要求 17所述的基站, 其特征在于, 所述承载信息包括以下至 少之一: 所述载波对应的信道质量、 所述载波的负载、 所述载波能够为所有用 户设备提供的速率。
19、 根据权利要求 17所述的基站, 其特征在于, 所述控制信息为所述业务 数据的逻辑信道号码、 序列号或数据长度。
20、 根据权利要求 17-19任一所述的基站, 其特征在于, 所述 RLC实体为 所述载波分配业务数据和控制信息具体为:
所述 RLC实体根据所述承载信息、 所述 RLC代理的缓存状态、 所述 RLC实 体的缓存状态, 为所述载波分配业务数据和控制信息。
21、 根据权利要求 17所述的基站, 其特征在于, 所述 MAC从所述 RLC代理 的数据缓存获取所述业务数据和控制信息, 将所述业务数据发送给所述用户设 备具体为:
所述 MAC实体向所述 RLC代理发送业务数据分配请求, 所述 RLC代理对所 述业务数据进行 RLC组包并发送给所述 MAC实体; 所述 MAC实体对 RLC组包后 的业务数据进行 MAC组包并发送给所述用户设备;
或者,
所述 MAC实体向所述 RLC代理发送业务数据分配请求, 从所述 RLC代理接 收所述用户设备的业务数据;所述 MAC实体对所述用户设备的业务数据进行 RLC 组包和 MAC组包, 并将 MAC组包后的业务数据发送给所述用户设备。
22、 根据权利要求 21所述的基站, 其特征在于, 所述 RLC代理或者所述 MAC实体对所述业务数据进行 RLC组包具体为:
如果上一个传输时间间隔 TTI进行了无线链路控制包数据单元片 RLC PDU segment组包, 则进行 RLC PDU Segment组包;
如果当前仅有一个序列号 SN剩余,所述业务数据无法在当前 TTI一次发完, 则进行 RLC PDU segment组包;
除上述两种情况外, 进行无线链路控制包数据单元 RLC PDU组包。
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