WO2016109937A1 - 业务质量的协商方法、装置以及通信系统 - Google Patents

业务质量的协商方法、装置以及通信系统 Download PDF

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Publication number
WO2016109937A1
WO2016109937A1 PCT/CN2015/070182 CN2015070182W WO2016109937A1 WO 2016109937 A1 WO2016109937 A1 WO 2016109937A1 CN 2015070182 W CN2015070182 W CN 2015070182W WO 2016109937 A1 WO2016109937 A1 WO 2016109937A1
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base station
information
user equipment
service
loop
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English (en)
French (fr)
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周华
张翼
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Fujitsu Ltd
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Fujitsu Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a QoS (Quality of Service) negotiation method, apparatus, and communication system.
  • QoS Quality of Service
  • FIG. 1 is a schematic diagram of an LTE wireless network showing an LTE wireless network using various technologies.
  • the base station (eNB) is connected to the attached small cell through a loop (Backhual).
  • Backhaul for example, optical fiber, Asymmetric Digital Subscriber Line (ADSL), microwave, etc.
  • ADSL Asymmetric Digital Subscriber Line
  • microwave microwave
  • different loops have different connection quality; except for transmission media, even if there are these differences, even The same medium is used, and the amount of information exchanged between the small cell and the base station at different transmission moments is also greatly different. Therefore, the connection quality of the same loop at different times will be different.
  • the small cell and the served user equipment use a wireless connection, and there are many kinds of wireless connections, such as LTE technology using a licensed frequency band, and LTE/WiFi technology using an unlicensed frequency band.
  • the quality of the connection corresponding to different wireless links is also different.
  • the base station eNB may cover the small cell 1 (the corresponding device is called SC1) and the small cell 2 (the corresponding device is called SC2), wherein, for example, the loop 1 (backhaul 1) between the eNB and the SC1 may be adopted.
  • loop 2 (backhaul 2) between eNB and SC2 can use ADSL; the connection quality of backhaul 1 and backhaul 2 is different.
  • Both the small cell 1 and the small cell 2 can provide services for the UE, wherein the radio link between the SC1 and the UE is RL1, and the radio link between the SC2 and the UE is RL2; the connection quality of RL 1 and RL 2 is also different. .
  • the UE wants to establish a connection with the network and wants to obtain the QoS (Qaulity of Service) level that the service wants, it needs to negotiate with the network.
  • QoS Quality of Service
  • FIG. 2 is a schematic diagram of QoS negotiation between a UE and a network.
  • an access network E-UTRAN, Evolved Universal Terrestrial Radio Access Network
  • S-GW service gateway
  • P-GW Packet Data Network GateWay
  • IP network IP network.
  • the UE performs QoS negotiation with the mobility management entity (MME, Mobile Management Entity) through the eNB, and the eNB does not directly participate in the QoS negotiation.
  • MME Mobility Management Entity
  • the MME After the MME negotiates the required QoS with the UE, the QoS parameters (for example, QoS Class Identifier (QCI) and Address Resolution Protocol (ARP) parameters are transmitted to the eNB, and the eNB performs wireless. Link connection establishment and data transmission.
  • QCI QoS Class Identifier
  • ARP Address Resolution Protocol
  • the inventor has found that the eNB does not obtain the loop link quality of the small cell and the quality of the radio link between the small cell and the UE in time when the eNB establishes a connection according to the QoS parameters.
  • the eNB needs to obtain the quality of the link by measuring the backhaul link of the eNB and the small cell from time to time.
  • the backhaul link throughput will also change frequently.
  • the untimely measurement cannot reflect the link quality change in time, so the eNB and the allocated eNB are measured based on the previous moment.
  • the link between the small cells may not satisfy the traffic at the next moment, resulting in failure to meet the predetermined QoS.
  • the quality of the radio link between the small cell and the UE can be obtained by the measurement of the UE or the small cell, if it is not sent to the eNB in time, the selected small cell may not satisfy the set QoS.
  • the embodiment of the invention provides a method, a device and a communication system for negotiating service quality. Through the participation of the base station and the negotiation of the service quality, the negotiation capability of the service quality between the user equipment and the network can be efficiently improved.
  • a method for negotiating a service quality includes:
  • a service quality negotiation apparatus includes:
  • a service negotiation unit based on wireless link information of a wireless link between the user equipment and one or more second base stations capable of providing service to the user equipment, and the one or more second base stations and the The loop link information of the loop between the first base stations is negotiated with the core network for the service quality of the service request;
  • the connection configuration unit performs connection configuration of the service request according to the result of the service quality negotiation.
  • a communication system comprising:
  • a second base station providing a service for the user equipment
  • a first base station receiving a service request sent by the user equipment; and wireless link information based on a wireless link between the user equipment and one or more second base stations capable of providing services for the user equipment, and the Loop link information of a loop between the one or more second base stations and the first base station, performing quality negotiation with the core network for the service request; and performing the service request according to the result of the service quality negotiation Connection configuration.
  • a computer readable program wherein when the program is executed in a base station, the program causes a computer to perform a negotiation method of quality of service as described above in the base station.
  • a storage medium storing a computer readable program, wherein the computer readable program causes a computer to perform a negotiation method of quality of service as described above in a base station.
  • An advantageous effect of the embodiment of the present invention is that the base station performs service quality negotiation with the core network for the service request based on the wireless link information and the loop link information, thereby efficiently improving the negotiation of the service quality between the user equipment and the network. Capability; can flexibly configure the connection that meets the service quality required by the user equipment, not only meets the quality requirements of the service, but also can effectively utilize resources.
  • FIG. 1 is a schematic diagram of an LTE wireless network in the prior art
  • FIG. 2 is a schematic diagram of QoS negotiation between a UE and a network in the prior art
  • FIG. 3 is a schematic diagram of a QoS negotiation method according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a wireless network for performing QoS negotiation according to an embodiment of the present invention.
  • FIG. 5 is another schematic diagram of a wireless network for performing QoS negotiation according to an embodiment of the present invention.
  • FIG. 6 is another schematic diagram of a QoS negotiation method according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a QoS negotiation apparatus according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • Fig. 9 is a block diagram showing the configuration of a communication system according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a method for negotiating service quality according to an embodiment of the present invention. As shown in FIG. 3, the negotiation method includes:
  • Step 301 The first base station receives a service request sent by the user equipment.
  • Step 302 Based on radio link information of a radio link between the user equipment and one or more second base stations capable of providing services for the user equipment, and the one or more second base stations and the The loop link information of the loop between the base stations, the first base station and the core network perform service quality negotiation for the service request;
  • Step 303 The first base station performs connection configuration of the service request according to the result of the service quality negotiation.
  • the first base station may be a macro base station (eNB); the second base station is a small cell base station (also referred to as a transmission point) within the coverage of the macro base station, and may be a micro base station (for example, a Pico base station). It can also be a remote radio head (RRH) or a femto base station (such as a Femto base station).
  • eNB macro base station
  • eNB small cell base station
  • a micro base station for example, a Pico base station
  • RRH remote radio head
  • femto base station such as a Femto base station
  • the present invention is not limited thereto, and for example, the first base station may also be a micro base station.
  • the first base station is a macro base station (eNB)
  • the second base station is a micro base station (Pico base station) as an example.
  • each second base station may actively or passively feed back Loop link information for the loop between the first base stations.
  • the first base station can obtain loop link information of a loop with each of the second base stations.
  • the second base station provides a service for the user equipment, and the second base station and the user equipment have a wireless link; each second base station can feed back the resource occupation information of the wireless link to the first base station, and the user equipment can also directly Or indirectly feeding back quality information of the wireless link to the first base station.
  • the first base station can obtain wireless link information of the wireless link between the user equipment and the second base station capable of providing service to the user equipment.
  • the second base station and the user equipment reporting loop link information and radio link information are not required.
  • the first base station may further preset a number of empirical values of the loop link information and the radio link information, and perform QoS negotiation with the core network according to the experience value.
  • the second base station and the user equipment report the loop link information and the radio link information, so that the first base station can better know the link situation and flexibly configure the connection of the service required by the user equipment.
  • the first base station performs a target with the core network based on the wireless link information and the loop link information.
  • the service quality negotiation of the service request, and the connection configuration of the service request is performed according to the result of the service quality negotiation. Therefore, the eNB does not participate in the QoS negotiation in the existing mechanism.
  • the QoS negotiation capability between the user equipment and the network can be effectively improved by the base station participating in and assisting the QoS negotiation.
  • the connection configuration of the service request according to the result of the service quality negotiation in step 302 may include: if the service quality provided by the access network within the range of the base station can satisfy the service request, Determining, by the first base station, a second base station serving as the user equipment from one or more second base stations capable of providing services for the user equipment according to the wireless link information and the loop link information; The first base station rejects the service request if the quality of service provided by the access network in the range of the base station cannot satisfy the service request.
  • the eNB may reject the service request if it can find that the QoS that can be provided cannot satisfy the service requirement when performing QoS negotiation with the core network (for example, including the MME and the PGW); If it is found that there is a suitable small cell under the eNB and the wireless connection can support the QoS, the service request is agreed, and a suitable backhaul and a wireless link can be selected.
  • the core network for example, including the MME and the PGW
  • the wireless network may include an eNB and two transmission points SC-A and SC-B, and both SC-A and SC-B may provide services for the UE.
  • the SC-A can feed back the loop link information of the loop between the SC-A and the eNB (loop 1), and the SC-B can feed back the loop between the SC-B and the eNB (loop 2). Link information.
  • the SC-A can also feed back the radio link resource occupation information of the SC-A, and the SC-B can also feed back the radio link resource occupation information of the SC-B.
  • the UE may directly or indirectly feed back to the eNB the radio link quality information of the radio link (RL1) with the SC-A and the radio link quality information of the radio link (RL2) with the SC-B. .
  • the eNB may perform QoS negotiation with the core network according to the request of the new service and the foregoing loop link information and the wireless link information; for example, the QoS level required by the service and the QoS that the access network can reach. Negotiate whether the levels are consistent.
  • FIG. 5 is another schematic diagram of a wireless network for performing QoS negotiation according to an embodiment of the present invention, showing a case where a connection configuration of a service request is performed according to a result of QoS negotiation.
  • SC-A is selected to provide services for the UE, that is, select a suitable loop (loop 1) and a radio link (RL1).
  • the base station can select an appropriate backhual link and a radio link when establishing a service connection with the core network side, so that the QoS requirements and the effective utilization of resources are simultaneously satisfied.
  • FIG. 6 is another schematic diagram of a QoS negotiation method according to an embodiment of the present invention. As shown in FIG. 6, the method includes:
  • Step 601 The first base station receives loop link information, and the loop link information is fed back by one or more second base stations connected to the first base station.
  • the loop link information may include one or any combination of the following information: loop type, loop throughput, loop delay, and packet loss rate.
  • loop type loop throughput
  • loop delay loop delay
  • packet loss rate packet loss rate
  • the loop link information may be fed back when the second base station receives the sending request of the first base station; for example, the eNB may request each small cell to feed back backhual information with the eNB.
  • the indication may be performed by signaling, and each small cell is required to feed back backulul information; after receiving the signaling, each small cell feeds back information about the backhaul link with the eNB.
  • the loop link information may also be fed back periodically; for example, each small cell may measure itself and feed back by cycle.
  • the loop link information can also be fed back when the preset conditions are met, such as feedback by event; for example, feedback when the backhaul throughput is below a certain threshold, or feedback when the backhaul delay exceeds a certain threshold ,and many more.
  • the present invention is not limited to this, and a specific feedback manner can be determined according to actual conditions.
  • Step 602 The first base station receives radio link information, where the radio link information includes: radio link resource occupation information fed back by one or more second base stations connected to the first base station, and/or Radio link quality information fed back by one or more user equipments.
  • the radio link information includes: radio link resource occupation information fed back by one or more second base stations connected to the first base station, and/or Radio link quality information fed back by one or more user equipments.
  • the radio link resource occupation information may include one or any combination of the following information: occupation information of the radio resource in the time domain, occupancy information of the radio resource in the frequency domain, and occupation information of the radio resource in the airspace.
  • the radio link quality information includes: a Signal-to-Interference plus Noise Ratio (SINR) and/or a link energy strength.
  • SINR Signal-to-Interference plus Noise Ratio
  • the present invention is not limited thereto, and may include other wireless chains, for example. Road information.
  • the eNB may request each small cell to feed back its radio link resource occupation information, and the small cell may also actively feed back the radio link resource occupation information.
  • the eNB may request the UE it serves to feed back the radio link quality information of each small cell that can provide services for the UE, and the UE may also actively feed back the radio link quality information.
  • the radio link quality information may be directly fed back to the eNB by the UE, or may be indirectly fed back to the eNB by the UE through the small cell.
  • Step 603 The first base station receives a service request sent by the user equipment.
  • the UE when the UE attempts to initiate a new service, the UE may directly send a service request to the first base station; or indirectly send a service request to the first base station through the serving cell.
  • Step 604 Based on the radio link information and the loop link information, the first base station and the core network perform service quality negotiation for the service request.
  • QoS negotiation For details on QoS negotiation, refer to related technologies.
  • Step 605 The first base station performs connection configuration of the service request according to the result of the service quality negotiation.
  • step 602 may be completed before step 601, or step 601 and step 602 may be performed in parallel.
  • the feedback of the radio link resource occupation information and the radio link quality information in step 602 may be in no particular order.
  • the quality information of the backhaul link of the small cell and the eNB is fed back by the small cell, and the quality information of the radio link of the small cell that the UE can provide the service to the UE is fed back by the UE, and the base station can flexibly configure and match.
  • the base station performs the service quality negotiation for the service request with the core network based on the wireless link information and the loop link information, thereby effectively improving the negotiation capability of the service quality between the user equipment and the network; Flexible configuration of connections that meet the quality of service required by user equipment not only meets the quality requirements of the service, but also makes efficient use of resources.
  • An embodiment of the present invention provides a service quality negotiation apparatus, which is configured in a first base station.
  • the embodiment of the present invention corresponds to the method for negotiating the quality of service in Embodiment 1, and the same content is not described herein again.
  • FIG. 7 is a schematic diagram of a service quality negotiation apparatus according to an embodiment of the present invention, as shown in FIG.
  • the quality negotiation device 700 includes:
  • the request receiving unit 701 receives a service request sent by the user equipment
  • a service negotiation unit 702 based on radio link information of a radio link between the user equipment and one or more second base stations capable of providing service to the user equipment, and the one or more second base stations and stations Determining loop link information of a loop between the first base stations, and performing quality negotiation with the core network for the service request;
  • the connection configuration unit 703 performs connection configuration of the service request according to the result of the service quality negotiation.
  • connection configuration unit 702 may be specifically configured to: according to the wireless link information, if the service quality provided by the access network in the range of the first base station can satisfy the service request And the loop link information, determining, from the one or more second base stations capable of providing service for the user equipment, a second base station serving the user equipment; and an access network within the range of the first base station The service request is rejected if the quality of the service provided cannot satisfy the service request.
  • the negotiating apparatus 700 may further include: a loop link information receiving unit 704 that receives the loop link information; and the loop link information is connected to one or more of the first base stations The second base station feeds back.
  • the loop link information may be fed back when the second base station receives the sending request of the first base station, or may be fed back when a preset condition is met, or may be fed back periodically.
  • the loop link information may include one or any combination of the following information: loop type, loop throughput, loop delay, and packet loss rate.
  • the negotiating apparatus 700 may further include: a radio link information receiving unit 705, configured to receive the radio link information; the radio link information includes: one or a connection with the first base station Radio link resource occupancy information fed back by a plurality of second base stations, and/or radio link quality information fed back by one or more user equipments.
  • the radio link resource occupation information may include one or any combination of the following information: occupation information of the radio resource in the time domain, occupancy information of the radio resource in the frequency domain, and occupation information of the radio resource in the airspace.
  • the wireless link quality information may include: link signal to interference and noise ratio and/or link energy strength.
  • the radio link quality information may be directly fed back to the first base station by the user equipment, or may be indirectly directed by the user equipment to the first base station by using the second base station. Feedback.
  • the embodiment further provides a base station, which is configured with the service quality negotiation apparatus 700 as described above.
  • FIG. 8 is a schematic diagram of a structure of a base station according to an embodiment of the present invention.
  • the base station 800 can include: A central processing unit (CPU) 200 and a memory 210; the memory 210 is coupled to the central processing unit 200.
  • the memory 210 can store various data; in addition, a program for information processing is stored, and the program is executed under the control of the central processing unit 200 to receive various information transmitted by the user equipment and to transmit the request information to the user equipment.
  • the base station 800 can implement the negotiation method of the service quality as described in Embodiment 1.
  • the central processing unit 200 can be configured to implement the functionality of the quality of service negotiation device 700; that is, the central processing unit 200 can be configured to control to receive a service request sent by the user equipment; based on the user equipment and capable of being the user Radio link information of a radio link between one or more second base stations served by the device, and loop link information of a loop between the one or more second base stations and the first base station, and a core network Performing a service quality negotiation for the service request; and performing connection configuration of the service request according to the result of the service quality negotiation.
  • the base station 800 may further include: a transceiver 220, an antenna 230, and the like; wherein the functions of the foregoing components are similar to the prior art, and details are not described herein again. It is to be noted that the base station 800 does not have to include all of the components shown in FIG. 8; in addition, the base station 800 may also include components not shown in FIG. 8, and reference may be made to the prior art.
  • the base station performs the service quality negotiation for the service request with the core network based on the wireless link information and the loop link information, thereby effectively improving the negotiation capability of the service quality between the user equipment and the network; Flexible configuration of connections that meet the quality of service required by user equipment not only meets the quality requirements of the service, but also makes efficient use of resources.
  • FIG. 9 is a schematic diagram of a structure of a communication system according to an embodiment of the invention.
  • the communication system 900 includes:
  • a second base station 902 providing a service for the user equipment
  • the first base station 903 further receives the loop link information and/or the wireless link information; the loop link information is connected to the first base station 903 by one or more second The base station 902 feeds back; the radio link information includes: radio link resource occupation information fed back by one or more second base stations 902 connected to the first base station 903, and/or by one or more user equipments 901 Feedback of wireless link quality information.
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in a base station, the program causes a computer to execute the negotiation method of the quality of service described in Embodiment 1 in the base station.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the computer to execute the negotiation method of the quality of service described in Embodiment 1 in a base station.
  • the above apparatus and method of the present invention may be implemented by hardware or by hardware in combination with software.
  • the present invention relates to a computer readable program that, when executed by a logic component, enables the logic component to implement the apparatus or components described above, or to cause the logic component to implement the various methods described above Or steps.
  • the present invention also relates to a storage medium for storing the above program, such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, or the like.
  • One or more of the functional blocks described in the figures and/or one or more combinations of functional blocks may be implemented as a general purpose processor, digital signal processor (DSP) for performing the functions described herein.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • One or more of the functional blocks described with respect to the figures and/or one or more combinations of functional blocks may also be implemented as a combination of computing devices, eg, a combination of a DSP and a microprocessor, multiple microprocessors One or more microprocessors in conjunction with DSP communication or any other such configuration.

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Abstract

一种业务质量的协商方法、装置以及通信系统，所述协商方法包括：第一基站接收用户设备发送的业务请求；基于所述用户设备与能够为所述用户设备提供服务的一个或多个第二基站之间无线链路的无线链路信息，以及所述一个或多个第二基站与所述第一基站之间回路的回路链路信息，所述第一基站与核心网进行针对所述业务请求的业务质量协商；根据所述业务质量协商的结果进行所述业务请求的连接配置。通过本发明实施例，可以灵活配置符合用户设备所需业务质量的连接，不仅满足业务质量要求，而且可以有效地利用资源。

Description

业务质量的协商方法、装置以及通信系统 技术领域
本发明涉及一种通信技术领域，特别涉及一种业务质量(QoS，Quality of Service)的协商(negotiation)方法、装置以及通信系统。
背景技术
近年来，无线通信技术得到了高速发展，3GPP标准化已经发展到Rel.13，关键技术涵盖了小小区(small cell)的广泛配置、载波聚合(carrier aggregation)、3D多输入多输出(MIMO，Multiple Input Multiple Output)的多天线技术、非授权频段(unlicensed band)的LTE(Long Term Evolution)化(可称为Licensed-Assisted-Access)等。
图1是LTE无线网络的一示意图，示出了一个使用各种技术的LTE无线网络。其中，基站(eNB)通过回路(Backhual)与附属的小小区连接。backhaul的类型可以有很多种，例如可以使用光纤、非对称数字用户线(ADSL，Asymmetric Digital Subscriber Line)、微波等技术连接，不同的回路对应的连接质量不同；除了传输介质有这些不同外，即使是使用同一种介质，在不同传输时刻由于小小区与基站间信息交换的业务量也会有很大不同，因此，不同时刻同一回路的连接质量也会不同。此外，小小区与所服务的用户设备(UE)之间采用无线连接，这些无线连接也有很多种，有采用授权频段的LTE技术，也可以采用非授权频段的LTE/WiFi技术。不同的无线链路对应的连接质量也不同。
如图1所示，基站eNB可以覆盖小小区1(对应的设备称为SC1)和小小区2(对应的设备称为SC2)，其中例如eNB与SC1之间的回路1(backhaul 1)可以采用光纤，eNB与SC2之间的回路2(backhaul 2)可以采用ADSL；backhaul 1和backhaul 2的连接质量不同。小小区1和小小区2均可以为UE提供服务，其中，SC1与UE之间的无线链路为RL1，SC2与UE之间的无线链路为RL2；RL 1和RL 2的连接质量也不同。
在现有系统中，如果UE希望与网络建立连接，并且希望获得业务想要的业务质量QoS(Qaulity of Service)级别，就需要与网络进行协商。
图2是UE与网络进行QoS协商的一示意图。如图2所示，接入网(E-UTRAN，Evolved Universal Terrestrial Radio Access Network)通过服务网关(S-GW，Serving GateWay)和分组数据网网关(P-GW，Packet Data Network GateWay)等连接到IP网络。UE通过eNB与移动管理实体(MME，Mobile Management Entity)进行QoS协商，eNB并不直接参与该QoS协商。MME与UE协商完需要的QoS后，将QoS参数(例如，QoS等级标识符(QCI，QoS Class Identifier)以及地址解析协议(ARP，Address Resolution Protocol)参数等)传递给eNB，由eNB来进行无线链路连接的建立和数据传输。
应该注意，上面对技术背景的介绍只是为了方便对本发明的技术方案进行清楚、完整的说明，并方便本领域技术人员的理解而阐述的。不能仅仅因为这些方案在本发明的背景技术部分进行了阐述而认为上述技术方案为本领域技术人员所公知。
发明内容
但是，发明人发现：目前eNB在根据QoS参数建立连接时，并没有及时获得所属small cell的回路链路质量以及对应small cell与UE间的无线链路质量。
按照现有机制，eNB需要通过不定时测量eNB和small cell的backhaul链路来获得该链路的质量。但是由于未来无线网络数据传输eNB和small cell间交互非常大，导致backhaul链路吞吐量也会经常变化，不定时的测量不能及时反映该链路质量变化，因此基于上一时刻测量分配的eNB和small cell之间的链路可能不能满足下一时刻的业务量，导致满足不了预定的QoS。另外，虽然Small cell和UE间的无线链路质量可以通过UE或者small cell测量获得，但是如果不及时发送到eNB，也可能导致选择的small cell不能满足设定的QoS。
本发明实施例提供一种业务质量的协商方法、装置以及通信系统。通过基站参与并辅助进行业务质量的协商，可以高效地提高用户设备与网络之间的业务质量的协商能力。
根据本发明实施例的第一个方面，提供一种业务质量的协商方法，所述协商方法包括：
第一基站接收用户设备发送的业务请求；
基于所述用户设备与能够为所述用户设备提供服务的一个或多个第二基站之间 无线链路的无线链路信息，以及所述一个或多个第二基站与所述第一基站之间回路的回路链路信息，所述第一基站与核心网进行针对所述业务请求的业务质量协商；
根据所述业务质量协商的结果进行所述业务请求的连接配置。
根据本发明实施例的第二个方面，提供一种业务质量的协商装置，配置于第一基站中，所述协商装置包括：
请求接收单元，接收用户设备发送的业务请求；
业务协商单元，基于所述用户设备与能够为所述用户设备提供服务的一个或多个第二基站之间无线链路的无线链路信息，以及所述一个或多个第二基站与所述第一基站之间回路的回路链路信息，与核心网进行针对所述业务请求的业务质量协商；
连接配置单元，根据所述业务质量协商的结果进行所述业务请求的连接配置。
根据本发明实施例的第三个方面，提供一种通信系统，所述通信系统包括：
用户设备，发送业务请求；
第二基站，为所述用户设备提供服务；
第一基站，接收所述用户设备发送的业务请求；基于所述用户设备与能够为所述用户设备提供服务的一个或多个第二基站之间无线链路的无线链路信息，以及所述一个或多个第二基站与所述第一基站之间回路的回路链路信息，与核心网进行针对所述业务请求的业务质量协商；以及根据所述业务质量协商的结果进行所述业务请求的连接配置。
根据本发明实施例的又一个方面，提供一种计算机可读程序，其中当在基站中执行所述程序时，所述程序使得计算机在所述基站中执行如上所述的业务质量的协商方法。
根据本发明实施例的又一个方面，提供一种存储有计算机可读程序的存储介质，其中所述计算机可读程序使得计算机在基站中执行如上所述的业务质量的协商方法。
本发明实施例的有益效果在于，基站基于无线链路信息以及回路链路信息，与核心网进行针对业务请求的业务质量协商，由此可以高效地提高用户设备与网络之间的业务质量的协商能力；可以灵活配置符合用户设备所需业务质量的连接，不仅满足业务质量要求，而且可以有效地利用资源。
参照后文的说明和附图，详细公开了本发明的特定实施方式，指明了本发明的原理可以被采用的方式。应该理解，本发明的实施方式在范围上并不因而受到限制。在 所附权利要求的精神和条款的范围内，本发明的实施方式包括许多改变、修改和等同。
针对一种实施方式描述和/或示出的特征可以以相同或类似的方式在一个或更多个其它实施方式中使用，与其它实施方式中的特征相组合，或替代其它实施方式中的特征。
应该强调，术语“包括/包含”在本文使用时指特征、整件、步骤或组件的存在，但并不排除一个或更多个其它特征、整件、步骤或组件的存在或附加。
附图说明
参照以下的附图可以更好地理解本发明的很多方面。附图中的部件不是成比例绘制的，而只是为了示出本发明的原理。为了便于示出和描述本发明的一些部分，附图中对应部分可能被放大或缩小。
在本发明的一个附图或一种实施方式中描述的元素和特征可以与一个或更多个其它附图或实施方式中示出的元素和特征相结合。此外，在附图中，类似的标号表示几个附图中对应的部件，并可用于指示多于一种实施方式中使用的对应部件。
图1是现有技术中LTE无线网络的一示意图；
图2是现有技术中UE与网络进行QoS协商的一示意图；
图3是本发明实施例的QoS协商方法的一示意图；
图4是本发明实施例的进行QoS协商的无线网络的一示意图；
图5是本发明实施例的进行QoS协商的无线网络的另一示意图；
图6是本发明实施例的QoS协商方法的另一示意图；
图7是本发明实施例的QoS协商装置的一示意图；
图8是本发明实施例的基站的一构成示意图；
图9是本发明实施例的通信系统的一构成示意图。
具体实施方式
参照附图，通过下面的说明书，本发明的前述以及其它特征将变得明显。在说明书和附图中，具体公开了本发明的特定实施方式，其表明了其中可以采用本发明的原则的部分实施方式，应了解的是，本发明不限于所描述的实施方式，相反，本发明包括落入所附权利要求的范围内的全部修改、变型以及等同物。
实施例1
本发明实施例提供一种业务质量的协商方法，从基站侧对本发明实施例进行说明。图3是本发明实施例的业务质量的协商方法的一示意图，如图3所示，所述协商方法包括：
步骤301，第一基站接收用户设备发送的业务请求；
步骤302，基于所述用户设备与能够为所述用户设备提供服务的一个或多个第二基站之间无线链路的无线链路信息，以及所述一个或多个第二基站与所述第一基站之间回路的回路链路信息，所述第一基站与核心网进行针对所述业务请求的业务质量协商；
步骤303，所述第一基站根据业务质量协商的结果进行所述业务请求的连接配置。
在本实施例中，第一基站可以为宏基站(eNB)；第二基站为宏基站覆盖范围内的小小区基站(也可以称为传输点)，可以是微基站(例如Pico base station)，也可以是远端无线头(RRH，Remote Radio Head)，还可以是毫微微基站(例如Femto base station)。但本发明不限于此，例如第一基站也可以是微基站。以下仅以第一基站为宏基站(eNB)，第二基站为微基站(Pico base station)为例进行说明。
在本实施例中，第一基站的覆盖范围内可以有多个第二基站，第一基站与每个第二基站之间具有回路(backhaul)；每个第二基站可以主动或者被动地反馈与第一基站之间回路的回路链路信息。由此，第一基站可以获得与各个第二基站之间回路的回路链路信息。
此外，第二基站为用户设备提供服务，第二基站与用户设备之间具有无线链路；每个第二基站可以向第一基站反馈无线链路的资源占用信息，而用户设备也可以直接地或者间接地向第一基站反馈无线链路的质量信息。由此，第一基站可以获得用户设备与能够为该用户设备提供服务的第二基站之间无线链路的无线链路信息。
值得注意的是，第二基站和用户设备上报回路链路信息和无线链路信息并不是必需的。例如，第一基站还可以预先设定回路链路信息和无线链路信息的若干经验值，根据该经验值与核心网进行QoS协商。而通过第二基站和用户设备上报回路链路信息和无线链路信息，第一基站可以更好地获知链路的情况，灵活地配置用户设备所需业务的连接。
在本实施例中，第一基站基于无线链路信息以及回路链路信息与核心网进行针对 业务请求的业务质量协商，并根据业务质量协商的结果进行业务请求的连接配置。由此，与现有机制中基站不参与QoS协商不同的是，本发明实施例通过基站参与并辅助进行QoS协商，可以高效地提高用户设备与网络之间的QoS协商能力。
在本实施例中，步骤302中根据业务质量协商的结果进行业务请求的连接配置，具体可以包括：在该基站范围内的接入网提供的业务质量能够满足所述业务请求的情况下，所述第一基站根据所述无线链路信息以及所述回路链路信息，从能够为所述用户设备提供服务的一个或多个第二基站中确定为所述用户设备服务的第二基站；在该基站范围内的接入网提供的业务质量不能够满足所述业务请求的情况下，所述第一基站拒绝所述业务请求。
例如，在eNB获得backhual和无线链路的质量信息后，eNB在与核心网(例如包括MME和PGW)进行QoS协商时，如果发现其能提供的QoS满足不了业务要求，可以拒绝该业务请求；如果发现该eNB下有合适的small cell以及无线连接可以支持该QoS，则同意该业务请求，并且可以选择合适的backhaul和无线链路。
图4是本发明实施例的进行QoS协商的无线网络的一示意图，示出了第二基站和用户设备上报回路链路信息和无线链路信息的情况。如图4所示，该无线网络可以包括eNB以及两个传输点SC-A和SC-B，SC-A和SC-B均可以为UE提供服务。
在UE试图发起新业务之前，SC-A可以反馈SC-A与eNB之间回路(回路1)的回路链路信息，SC-B可以反馈SC-B与eNB之间回路(回路2)的回路链路信息。并且，SC-A还可以反馈SC-A的无线链路资源占用信息，SC-B还可以反馈SC-B的无线链路资源占用信息。此外，UE可以直接地或者间接地向eNB反馈与SC-A之间无线链路(RL1)的无线链路质量信息，以及与SC-B之间无线链路(RL2)的无线链路质量信息。
在UE试图发起新业务时，eNB可以根据该新业务的请求以及上述回路链路信息和无线链路信息与核心网进行QoS协商；例如就该业务要求的QoS级别与接入网能够达到的QoS级别是否一致进行协商。
图5是本发明实施例的进行QoS协商的无线网络的另一示意图，示出了根据QoS协商的结果进行业务请求的连接配置的情况。
例如，经过协商发现SC-A和SC-B均可以达到要求的QoS级别，则eNB可以基于资源占用率最低的原则，或者功耗最低的原则等进行选择，确定合适的为UE服务 的第二基站。如图5所示，例如选择SC-A为UE提供服务，即选择合适的回路(回路1)以及无线链路(RL1)。
由此，基站基于回路链路信息以及无线链路信息，在与核心网络侧建立业务连接时，可以选择合适的backhual链路和无线链路，使得同时满足QoS要求和资源的有效利用。
以上对于基站参与QoS协商的情况进行了说明。以下对于如何反馈回路链路信息以及无线链路信息进行进一步说明。
图6是本发明实施例的QoS协商方法的另一示意图，如图6所示，该方法包括：
步骤601，第一基站接收回路链路信息；所述回路链路信息由与所述第一基站连接的一个或多个第二基站反馈。
其中，所述回路链路信息可以包括如下信息的其中一种或任意组合：回路类型，回路吞吐量，回路延迟，丢包率。但本发明不限于此，例如还可以包括其他的回路链路信息。
在本实施例中，回路链路信息可以在第二基站接收到第一基站的发送请求时被反馈；例如，eNB可以要求各个small cell反馈其与eNB的backhual信息。可以通过信令进行指示，要求各small cell反馈backhaul信息；各small cell在接收到该信令之后，反馈与eNB之间backhaul链路的信息。
或者，回路链路信息也可以周期性被反馈；例如可以是各个small cell自己测量并按周期进行反馈。此外，回路链路信息还可以在满足预设条件时被反馈，例如按事件反馈；例如当backhaul吞吐量低于某个门限值时进行反馈，或者backhaul延迟超过某个门限值时进行反馈，等等。本发明不限于此，可以根据实际情况确定具体的反馈方式。
步骤602，第一基站接收无线链路信息；其中所述无线链路信息包括：由与所述第一基站连接的一个或多个第二基站反馈的无线链路资源占用信息，和/或由一个或多个用户设备反馈的无线链路质量信息。
其中，所述无线链路资源占用信息可以包括如下信息的其中一种或任意组合：无线资源在时域上的占用信息，无线资源在频域上的占用信息，无线资源在空域上的占用信息；所述无线链路质量信息包括：链路信干噪比(SINR，Signal-to-Interference plus Noise Ratio)和/或链路能量强度。但本发明不限于此，例如还可以包括其他的无线链 路信息。
在本实施例中，eNB可以要求各个small cell反馈其无线链路资源占用信息，small cell也可以主动反馈无线链路资源占用信息。eNB可以要求其服务的UE反馈周围可为该UE提供服务的各个small cell的无线链路质量信息，UE也可以主动反馈无线链路质量信息。此外，无线链路质量信息可以由UE直接地向eNB反馈，或者也可以由UE通过small cell间接地向eNB反馈。
步骤603，第一基站接收用户设备发送的业务请求。
在本实施例中，UE试图发起新业务时，可以直接地向第一基站发送业务请求；或者间接地通过服务小区向第一基站发送业务请求。
步骤604，基于无线链路信息以及回路链路信息，第一基站与核心网进行针对所述业务请求的业务质量协商。关于QoS协商的具体内容，可以参考相关技术。
步骤605，第一基站根据业务质量协商的结果进行该业务请求的连接配置。
值得注意的是，以上各个步骤的顺序并不限于此；例如步骤602可以在步骤601之前完成，或者步骤601和步骤602可以并行地执行。此外，步骤602中无线链路资源占用信息和无线链路质量信息的反馈可以不分先后。
在本实施例中，通过small cell反馈该small cell与eNB的backhaul链路的质量信息，以及UE反馈该UE与能够为UE提供服务的small cell的无线链路的质量信息，基站可以灵活配置符合UE所需QoS的连接，包括backhual链路和无线链路。由此，eNB可以高效地提高UE和网络的QoS协商能力，提高UE和eNB间各个链路(包括UE和small cell的无线链路，以及small cell与eNB的backhual链路)的质量。
由上述实施例可知，基站基于无线链路信息以及回路链路信息，与核心网进行针对业务请求的业务质量协商，由此可以高效地提高用户设备与网络之间的业务质量的协商能力；可以灵活配置符合用户设备所需业务质量的连接，不仅满足业务质量要求，而且可以有效地利用资源。
实施例2
本发明实施例提供一种业务质量的协商装置，配置于第一基站中。本发明实施例对应于实施例1的业务质量的协商方法，相同的内容不再赘述。
图7是本发明实施例的业务质量的协商装置的一示意图，如图7所示，所述业务 质量的协商装置700包括：
请求接收单元701，接收用户设备发送的业务请求；
业务协商单元702，基于所述用户设备与能够为所述用户设备提供服务的一个或多个第二基站之间无线链路的无线链路信息，以及所述一个或多个第二基站与所述第一基站之间回路的回路链路信息，与核心网进行针对所述业务请求的业务质量协商；
连接配置单元703，根据所述业务质量协商的结果进行所述业务请求的连接配置。
在本实施例中，所述连接配置单元702具体可以用于：在所述第一基站范围内的接入网提供的业务质量能够满足所述业务请求的情况下，根据所述无线链路信息以及所述回路链路信息，从能够为所述用户设备提供服务的一个或多个第二基站中确定为所述用户设备服务的第二基站；在所述第一基站范围内的接入网提供的业务质量不能够满足所述业务请求的情况下，拒绝所述业务请求。
如图7所示，所述协商装置700还可以包括：回路链路信息接收单元704，接收所述回路链路信息；所述回路链路信息由与所述第一基站连接的一个或多个第二基站反馈。
其中，所述回路链路信息可以在所述第二基站接收到所述第一基站的发送请求时被反馈、或者可以在满足预设条件时被反馈、或者可以周期性被反馈。所述回路链路信息可以包括如下信息的其中一种或任意组合：回路类型，回路吞吐量，回路延迟，丢包率。
如图7所示，所述协商装置700还可以包括：无线链路信息接收单元705，接收所述无线链路信息；所述无线链路信息包括：由与所述第一基站连接的一个或多个第二基站反馈的无线链路资源占用信息，和/或由一个或多个用户设备反馈的无线链路质量信息。
其中，所述无线链路资源占用信息可以包括如下信息的其中一种或任意组合：无线资源在时域上的占用信息，无线资源在频域上的占用信息，无线资源在空域上的占用信息；所述无线链路质量信息可以包括：链路信干噪比和/或链路能量强度。
在本实施例中，所述无线链路质量信息可以由所述用户设备直接地向所述第一基站反馈，或者可以由所述用户设备通过所述第二基站间接地向所述第一基站反馈。
本实施例还提供一种基站，配置有如上所述的业务质量的协商装置700。
图8是本发明实施例的基站的一构成示意图。如图8所示，基站800可以包括： 中央处理器(CPU)200和存储器210；存储器210耦合到中央处理器200。其中该存储器210可存储各种数据；此外还存储信息处理的程序，并且在中央处理器200的控制下执行该程序，以接收用户设备发送的各种信息、并且向用户设备发送请求信息。
其中，基站800可以实现如实施例1所述的业务质量的协商方法。中央处理器200可以被配置为实现业务质量的协商装置700的功能；即中央处理器200可以被配置为进行如下控制：接收用户设备发送的业务请求；基于所述用户设备与能够为所述用户设备提供服务的一个或多个第二基站之间无线链路的无线链路信息，以及所述一个或多个第二基站与所述第一基站之间回路的回路链路信息，与核心网进行针对所述业务请求的业务质量协商；以及根据所述业务质量协商的结果进行所述业务请求的连接配置。
此外，如图8所示，基站800还可以包括：收发机220和天线230等；其中，上述部件的功能与现有技术类似，此处不再赘述。值得注意的是，基站800也并不是必须要包括图8中所示的所有部件；此外，基站800还可以包括图8中没有示出的部件，可以参考现有技术。
由上述实施例可知，基站基于无线链路信息以及回路链路信息，与核心网进行针对业务请求的业务质量协商，由此可以高效地提高用户设备与网络之间的业务质量的协商能力；可以灵活配置符合用户设备所需业务质量的连接，不仅满足业务质量要求，而且可以有效地利用资源。
实施例3
本发明实施例提供一种通信系统，图9是本发明实施例的通信系统的一构成示意图。如图9所示，所述通信系统900包括：
用户设备901，发送业务请求；
第二基站902，为所述用户设备提供服务；
第一基站903，接收所述用户设备901发送的业务请求；基于所述用户设备与能够为所述用户设备提供服务的一个或多个第二基站之间无线链路的无线链路信息，以及所述一个或多个第二基站与所述第一基站之间回路的回路链路信息，与核心网进行针对所述业务请求的业务质量协商；以及根据所述业务质量协商的结果进行所述业务请求的连接配置。
在本实施例中，第一基站903还接收所述回路链路信息和/或所述无线链路信息；所述回路链路信息由与所述第一基站903连接的一个或多个第二基站902反馈；所述无线链路信息包括：由与所述第一基站903连接的一个或多个第二基站902反馈的无线链路资源占用信息，和/或由一个或多个用户设备901反馈的无线链路质量信息。
本发明实施例还提供一种计算机可读程序，其中当在基站中执行所述程序时，所述程序使得计算机在所述基站中执行实施例1所述的业务质量的协商方法。
本发明实施例还提供一种存储有计算机可读程序的存储介质，其中所述计算机可读程序使得计算机在基站中执行实施例1所述的业务质量的协商方法。
本发明以上的装置和方法可以由硬件实现，也可以由硬件结合软件实现。本发明涉及这样的计算机可读程序，当该程序被逻辑部件所执行时，能够使该逻辑部件实现上文所述的装置或构成部件，或使该逻辑部件实现上文所述的各种方法或步骤。本发明还涉及用于存储以上程序的存储介质，如硬盘、磁盘、光盘、DVD、flash存储器等。
针对附图中描述的功能方框中的一个或多个和/或功能方框的一个或多个组合，可以实现为用于执行本申请所描述功能的通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现场可编程门阵列(FPGA)或者其它可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件或者其任意适当组合。针对附图描述的功能方框中的一个或多个和/或功能方框的一个或多个组合，还可以实现为计算设备的组合，例如，DSP和微处理器的组合、多个微处理器、与DSP通信结合的一个或多个微处理器或者任何其它这种配置。
以上结合具体的实施方式对本发明进行了描述，但本领域技术人员应该清楚，这些描述都是示例性的，并不是对本发明保护范围的限制。本领域技术人员可以根据本发明的精神和原理对本发明做出各种变型和修改，这些变型和修改也在本发明的范围内。

Claims (18)

  1. 一种业务质量的协商方法，所述协商方法包括：
    第一基站接收用户设备发送的业务请求；
    基于所述用户设备与能够为所述用户设备提供服务的一个或多个第二基站之间无线链路的无线链路信息，以及所述一个或多个第二基站与所述第一基站之间回路的回路链路信息，所述第一基站与核心网进行针对所述业务请求的业务质量协商；
    根据所述业务质量协商的结果进行所述业务请求的连接配置。
  2. 根据权利要求1所述的协商方法，其中，根据所述业务质量协商的结果进行所述业务请求的连接配置包括：
    在所述第一基站范围内的接入网提供的业务质量能够满足所述业务请求的情况下，所述第一基站根据所述无线链路信息以及所述回路链路信息，从能够为所述用户设备提供服务的一个或多个第二基站中确定为所述用户设备服务的第二基站；在所述第一基站范围内的接入网提供的业务质量不能够满足所述业务请求的情况下，所述第一基站拒绝所述业务请求。
  3. 根据权利要求1所述的协商方法，其中，在所述第一基站接收所述用户设备发送的业务请求之前，所述协商方法还包括：
    所述第一基站接收所述回路链路信息；所述回路链路信息由与所述第一基站连接的一个或多个第二基站反馈。
  4. 根据权利要求3所述的协商方法，其中，所述回路链路信息在所述第二基站接收到所述第一基站的发送请求时被反馈、或者在满足预设条件时被反馈、或者周期性被反馈。
  5. 根据权利要求3所述的协商方法，其中，所述回路链路信息包括如下信息的其中一种或任意组合：回路类型，回路吞吐量，回路延迟，丢包率。
  6. 根据权利要求1所述的协商方法，其中，在所述第一基站接收所述用户设备发送的业务请求之前，所述协商方法还包括：
    所述第一基站接收所述无线链路信息；所述无线链路信息包括：由与所述第一基站连接的一个或多个第二基站反馈的无线链路资源占用信息，和/或由一个或多个用户设备反馈的无线链路质量信息。
  7. 根据权利要求6所述的协商方法，其中，所述无线链路资源占用信息包括如下信息的其中一种或任意组合：无线资源在时域上的占用信息，无线资源在频域上的占用信息，无线资源在空域上的占用信息；
    所述无线链路质量信息包括：链路信干噪比和/或链路能量强度。
  8. 根据权利要求6所述的协商方法，其中，所述无线链路质量信息由所述用户设备直接地向所述第一基站反馈，或者由所述用户设备通过所述第二基站间接地向所述第一基站反馈。
  9. 一种业务质量的协商装置，配置于第一基站中，所述协商装置包括：
    请求接收单元，接收用户设备发送的业务请求；
    业务协商单元，基于所述用户设备与能够为所述用户设备提供服务的一个或多个第二基站之间无线链路的无线链路信息，以及所述一个或多个第二基站与所述第一基站之间回路的回路链路信息，与核心网进行针对所述业务请求的业务质量协商；
    连接配置单元，根据所述业务质量协商的结果进行所述业务请求的连接配置。
  10. 根据权利要求9所述的协商装置，其中，所述连接配置单元用于：
    在所述第一基站范围内的接入网提供的业务质量能够满足所述业务请求的情况下，根据所述无线链路信息以及所述回路链路信息，从能够为所述用户设备提供服务的一个或多个第二基站中确定为所述用户设备服务的第二基站；在所述第一基站范围内的接入网提供的业务质量不能够满足所述业务请求的情况下，拒绝所述业务请求。
  11. 根据权利要求9所述的协商装置，其中，所述协商装置还包括：
    回路链路信息接收单元，接收所述回路链路信息；所述回路链路信息由与所述第一基站连接的一个或多个第二基站反馈。
  12. 根据权利要求11所述的协商装置，其中，所述回路链路信息在所述第二基站接收到所述第一基站的发送请求时被反馈、或者在满足预设条件时被反馈、或者周期性被反馈。
  13. 根据权利要求11所述的协商装置，其中，所述回路链路信息包括如下信息的其中一种或任意组合：回路类型，回路吞吐量，回路延迟，丢包率。
  14. 根据权利要求9所述的协商装置，其中，所述协商装置还包括：
    无线链路信息接收单元，接收所述无线链路信息；所述无线链路信息包括：由与所述第一基站连接的一个或多个第二基站反馈的无线链路资源占用信息，和/或由一 个或多个用户设备反馈的无线链路质量信息。
  15. 根据权利要求14所述的协商装置，其中，所述无线链路资源占用信息包括如下信息的其中一种或任意组合：无线资源在时域上的占用信息，无线资源在频域上的占用信息，无线资源在空域上的占用信息；
    所述无线链路质量信息包括：链路信干噪比和/或链路能量强度。
  16. 根据权利要求14所述的协商装置，其中，所述无线链路质量信息由所述用户设备直接地向所述第一基站反馈，或者由所述用户设备通过所述第二基站间接地向所述第一基站反馈。
  17. 一种通信系统，所述通信系统包括：
    用户设备，发送业务请求；
    第二基站，为所述用户设备提供服务；
    第一基站，接收所述用户设备发送的业务请求；基于所述用户设备与能够为所述用户设备提供服务的一个或多个第二基站之间无线链路的无线链路信息，以及所述一个或多个第二基站与所述第一基站之间回路的回路链路信息，与核心网进行针对所述业务请求的业务质量协商；以及根据所述业务质量协商的结果进行所述业务请求的连接配置。
  18. 根据权利要求17所述的通信系统，其中，所述第一基站还接收所述回路链路信息和/或所述无线链路信息；
    所述回路链路信息由与所述第一基站连接的一个或多个第二基站反馈；所述无线链路信息包括：由与所述第一基站连接的一个或多个第二基站反馈的无线链路资源占用信息，和/或由一个或多个用户设备反馈的无线链路质量信息。
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