WO2015077982A1 - 信息交互装置、基站和通信系统 - Google Patents

信息交互装置、基站和通信系统 Download PDF

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Publication number
WO2015077982A1
WO2015077982A1 PCT/CN2013/088157 CN2013088157W WO2015077982A1 WO 2015077982 A1 WO2015077982 A1 WO 2015077982A1 CN 2013088157 W CN2013088157 W CN 2013088157W WO 2015077982 A1 WO2015077982 A1 WO 2015077982A1
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WO
WIPO (PCT)
Prior art keywords
base station
address
request message
secondary base
uplink
Prior art date
Application number
PCT/CN2013/088157
Other languages
English (en)
French (fr)
Inventor
汪巍崴
周华
Original Assignee
富士通株式会社
汪巍崴
周华
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
Priority to KR1020187001189A priority Critical patent/KR20180008911A/ko
Priority to KR1020197008432A priority patent/KR102073800B1/ko
Priority to JP2016531659A priority patent/JP6217860B2/ja
Priority to MX2016006997A priority patent/MX2016006997A/es
Priority to EP13898276.4A priority patent/EP3076746B1/en
Priority to RU2016123008A priority patent/RU2631669C1/ru
Application filed by 富士通株式会社, 汪巍崴, 周华 filed Critical 富士通株式会社
Priority to PCT/CN2013/088157 priority patent/WO2015077982A1/zh
Priority to CN201380080173.2A priority patent/CN105612809B/zh
Priority to CA2931883A priority patent/CA2931883A1/en
Priority to KR1020167014169A priority patent/KR20160079047A/ko
Publication of WO2015077982A1 publication Critical patent/WO2015077982A1/zh
Priority to US15/166,329 priority patent/US10097986B2/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/38—Flow based routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/50—Address allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/34—Modification of an existing route
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0069—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/16—Gateway arrangements

Definitions

  • the present invention relates to the field of communications, and in particular, to an information interaction apparatus, a base station, and a communication system. Background technique
  • LTE-A Enhanced Long Term Evolution
  • resource aggregation between multiple nodes allows one user to be enabled by at least two base stations, such as a primary base station (MeNB, Master eNB) and a secondary base station (SeNB). , Secondary eNB) simultaneous service.
  • MeNB primary base station
  • SeNB secondary base station
  • Secondary eNB simultaneous service.
  • a possible user plane protocol stack structure is shown in Fig. 1, that is, different services of the user (such as the evolved universal terrestrial radio access bearer E-RAB) are provided by different base stations.
  • E-RAB evolved universal terrestrial radio access bearer
  • the secondary base station and the serving gateway S-GW, Serving Gateway
  • the base station may integrate the functions of the S-GW. If the upstream and downstream addresses are still exchanged according to the current process, more signaling overhead is introduced.
  • the embodiment of the invention provides an information interaction device, a base station and a communication system, which can simplify the interaction process and reduce the signaling overhead without obtaining the corresponding address from the MME through the MME.
  • an information interaction apparatus includes: a first sending unit, configured to send a request message to a secondary base station, where the request message includes a primary base station receiving a user equipment The uplink address of the uplink data of the service on the secondary base station;
  • a first receiving unit configured to receive a response message returned by the secondary base station according to the request message, where the response message includes a downlink address of the downlink data that the secondary base station receives the service.
  • an information interaction apparatus comprising: a second receiving unit, configured to receive a request message sent by the primary base station, where the request message includes an uplink address of the uplink data of the service that the primary base station receives the user equipment on the secondary base station;
  • a second sending unit configured to return a response message to the primary base station according to the information included in the request message, where the response message includes a downlink address of the downlink data that the secondary base station receives the service.
  • a base station comprising the information interaction apparatus of the first aspect.
  • a base station comprising the information interaction apparatus of the second aspect.
  • a communication system including a primary base station and a secondary base station, where the primary base station is configured to send a request message to the secondary base station, where the request message includes the primary base station receiving the user equipment in the auxiliary An uplink address of the uplink data of the service on the base station, and receiving a response message returned by the secondary base station according to the request message, where the response message includes a downlink address of the downlink data of the secondary base station receiving the service;
  • the secondary base station is configured to receive the request message sent by the primary base station, and return the response message to the primary base station according to the information included in the request message.
  • the beneficial effects of the embodiment of the present invention are that the secondary base station does not need to obtain a corresponding address from the serving gateway through the MME, thereby simplifying the interaction process and reducing signaling overhead.
  • FIG. 1 is a schematic structural diagram of a protocol stack of a user plane
  • FIG. 2 is a schematic diagram of a core network structure
  • FIG. 3 is a flow chart of the interaction address of the core network structure shown in FIG. 2;
  • Embodiment 4 is a flow chart of information interaction in Embodiment 1 of the present invention.
  • Figure 5 is a flow chart of information interaction in Embodiment 2 of the present invention.
  • Embodiment 6 is a flow chart of information interaction in Embodiment 3 of the present invention.
  • Embodiment 7 is a flow chart of information interaction in Embodiment 4 of the present invention.
  • FIG. 8 is a schematic diagram showing the structure of an information interaction apparatus according to Embodiment 5 of the present invention.
  • FIG. 9 is a schematic diagram showing the structure of an information interaction apparatus according to Embodiment 6 of the present invention.
  • Figure 10 is a block diagram showing the structure of a primary base station according to Embodiment 7 of the present invention.
  • FIG 11 is a block diagram showing the architecture of a communication system according to Embodiment 9 of the present invention. detailed description
  • FIG. 2 is a schematic diagram of a structure of a conventional core network.
  • a primary base station MeNB
  • a secondary base station SeNB
  • a serving gateway S-GW
  • the S-GW is an independent network entity.
  • MME mobility management entity
  • FIG. 3 is a flow chart of the uplink and downlink address interaction.
  • the downlink address indicates that the S-GW needs to send downlink data of the corresponding service to the user.
  • the uplink address indicates the address on the S-GW to which the SeNB needs to transmit the uplink data of the corresponding service.
  • the notification of the uplink and downlink addresses requires 5 messages, that is, the path switch request (path switch). Request) message, modify bearer request message, modify bearer response message, path switch request ACK message, add/reset acknowledgement or notification (Add/reconfiguration confirm Or Notification) message.
  • the embodiment of the present invention provides an information interaction method, which can simplify the interaction process and reduce signaling overhead.
  • E-UTRAN Evolved Universal Terrestrial Radio Access Network
  • E-UTB Evolved Universal Terrestrial Radio Access Network Radio Access
  • S-GW Serving Gateway
  • SeNB secondary base station
  • the SeNB needs to know the uplink address, so that when the SeNB wants to send the uplink data of the service of the user, the uplink data is sent to the address of the S-GW.
  • the S-GW needs to know the downlink address, so that the downlink data is sent to the address of the SeNB when the S-GW wants to send the downlink data of the service of the user. Therefore, both the uplink address and the downlink address involved in this embodiment are addresses for a certain service.
  • Step 401 The primary base station sends a request message to the secondary base station, where the request message includes an uplink address of the uplink data of the service that the primary base station receives the user equipment on the secondary base station;
  • Step 402 Receive a response message returned by the secondary base station according to the request message, where the response message includes a downlink address of the downlink data that the secondary base station receives the service.
  • the uplink and downlink addresses can be exchanged through the foregoing process, and the corresponding address is not required to be obtained by the MME, which is related to the signaling flowchart shown in FIG. Compared with simplifying the interaction process, the signaling overhead is reduced.
  • the method may further include: the primary base station notifying the MME or the secondary base station of the uplink address and the downlink address. In this way, connections under the core network structure can be established.
  • the MME may be directly notified to the MME by using a notification message, and may be notified by using other messages, and details are not described herein again.
  • the uplink address and the downlink address may be sent to the SeNB through a notification message, and then sent by the SeNB to the MME.
  • FIG. 5 is a flowchart of an information interaction method according to Embodiment 2 of the present invention. As shown in FIG. 5, the method includes: Step 501: A secondary base station receives a request message sent by a primary base station, where the request message includes an uplink address of the uplink data of the service that the primary base station receives the user equipment on the secondary base station;
  • Step 502 Return a response message to the primary base station according to the information included in the request message, where the response message includes a downlink address of the downlink data that the secondary base station receives the service.
  • the method may further include: the secondary base station receiving the uplink address and the downlink address sent by the primary base station; And the downlink address is sent to the MME.
  • the secondary base station may directly send the uplink address and the downlink address to the MME.
  • the uplink address in the request message is further used to indicate that the secondary base station does not need to adopt the flow of the existing mechanism to obtain the corresponding address after receiving the request message, that is, The MME needs to obtain the corresponding address from the serving gateway. Therefore, the address interaction process can be simplified and the signaling overhead can be reduced.
  • the uplink information is not used to indicate that the identifier information may be added to the request message, and the identifier indicates that the secondary base station does not need to obtain a corresponding address from the serving gateway by using the MME.
  • This embodiment takes the address interaction in the connection establishment process in the core network structure as an example for description.
  • the function of the serving gateway of the secondary base station is integrated on the primary base station.
  • FIG. 6 is a flowchart of an information interaction method according to Embodiment 3 of the present invention. As shown in FIG. 6, the method includes: Step 601: The primary base station sends a request message to the secondary base station, where the request message includes an uplink address of the uplink data of the service that the primary base station receives the user equipment on the secondary base station;
  • the request message may be an Add Request message, and the add request message may be used to add a new service to the user on the SeNB.
  • the uplink address is included in the message.
  • the request message may also use a reconfiguration request message, which is used to reconfigure the service that the user has already performed on the SeNB; but is not limited to the foregoing request cancellation. Interest, you can also use any existing or new message.
  • Step 602 The secondary base station receives the request message, and returns a response message to the primary base station according to the information included in the request message, where the response message includes a downlink address of the downlink data that the secondary base station receives the service;
  • the response message may be an add or reconfigure response message, and any existing or new one may also be used;
  • the secondary base station may determine that the corresponding address is not required to be obtained by the MME to the serving gateway, for example, the flow of the existing mechanism is not used to exchange the address information (FIG. 3).
  • the process of the embodiment of the present invention is used to exchange address information. If the uplink address is not included in the request message, the secondary base station may determine the process of using the existing mechanism, that is, the MME accesses the corresponding address through the MME to interact. Address information.
  • Step 603 The primary base station sends a connection reconfiguration (Reconf.) message to the user equipment.
  • Reconf. connection reconfiguration
  • Step 604 After receiving the Reconf. message, the user equipment returns a connection reconfiguration complete (econf.Coml.) message to the primary base station.
  • econf.Coml. connection reconfiguration complete
  • the method further includes:
  • Step 605 the primary base station notifies the MME of the uplink address and the downlink address;
  • the MME may be notified by a Notification message.
  • the primary base station may also send the uplink address and the downlink address to the MME through the SeNB.
  • the method may include:
  • Step 606 The primary base station sends the uplink address and the downlink address to the SeNB.
  • Step 607 The SeNB sends the uplink address and the downlink address to the MME.
  • the secondary base station since the secondary base station also knows the uplink address and the downlink address, the secondary base station can directly send the uplink address and the downlink address to the MME (see step 608).
  • the address information can be exchanged through steps 601 and 602, which simplifies the existing address interaction process and reduces signaling overhead.
  • the primary base station can notify the user and the MME of the uplink and downlink addresses, and can establish a connection in the core network structure.
  • the secondary base station determines the information interaction mechanism according to the embodiment of the present invention by using the "uplink address" in the request message, instead of using the existing mechanism to exchange address information.
  • FIG. 7 is a flowchart of an information interaction method according to Embodiment 4 of the present invention.
  • the difference from Embodiment 3 is that the identification information is used to indicate that the secondary base station does not need to obtain a corresponding address from the serving gateway through the MME.
  • the method includes the steps of:
  • Step 701 The primary base station sends a request message to the secondary base station, where the request message includes an uplink address and identifier information, where the uplink address is the same as the foregoing embodiment 1-3, and the identifier information is used to indicate that when the request message is received, There is no need to obtain a corresponding address from the MME through the MME, that is, the identifier information indicates that the process of the embodiment can be used, and the process of the existing mechanism is not needed;
  • the secondary base station may determine to use an existing mechanism to interact with the address. information.
  • the other steps 702-708 are similar to the steps 602-608 of Embodiment 3, and are not described herein again.
  • the existing address interaction process can be simplified and the signaling overhead is reduced by the embodiment of the present invention.
  • the primary base station can notify the user and the MME of the uplink and downlink addresses, and can establish a connection in the core network structure.
  • the secondary base station determines, by using the identifier information in the request message, that the information exchange mechanism of the embodiment of the present invention is used, instead of using the existing mechanism to exchange address information, by using the MME to obtain the corresponding address from the serving gateway. .
  • FIG. 8 is a block diagram showing the structure of an information interaction apparatus according to a fifth embodiment of the present invention.
  • the apparatus 800 includes: a first transmitting unit 801 and a first receiving unit 802;
  • the first sending unit 801 is configured to send a request message to the secondary base station, where the request message includes an uplink address of the uplink data of the service that the primary base station receives the user equipment on the secondary base station, and the first receiving unit 802 is configured to receive the secondary base station according to the A response message returned by the request message, where the response message includes a downlink address of the downlink data of the secondary base station receiving the service.
  • the apparatus 800 may further include a notification unit 803, where the notification unit 803 is configured to notify the MME or the secondary base station of the uplink address and the downlink address. Thereby a connection can be established in the core network structure.
  • the notification unit 803 is an optional component and is represented by a dashed box.
  • the apparatus 800 is disposed on the primary base station side, the primary base station integrates the serving gateway function of the secondary base station, and the apparatus can be integrated into the primary base station.
  • the workflow of the device 800 is the same as that of the embodiment 1 shown in FIG.
  • the embodiments 3 and 4 shown in FIG. 6 and FIG. 7 are similar, and are not described herein again.
  • the request message sent by the first sending unit 801 includes an uplink address
  • the secondary base station receives the request message that includes the uplink address, it may be determined that the MME does not need to obtain the corresponding address from the serving gateway, that is, determine
  • the process of the embodiment of the present invention interacts with the address information, and does not use the flow of the existing mechanism to exchange the address information. If the request message does not include the uplink address, the secondary base station may determine that the corresponding address is obtained by the MME to the serving gateway. That is, the process of using the existing mechanism.
  • the identifier information may be used to indicate whether the corresponding address needs to be obtained by the MME to the serving gateway, that is, which process is adopted.
  • the request message sent by the first sending unit 801 may include, in addition to the uplink address, the identifier information, where the identifier information is used to indicate that the secondary base station does not need to obtain the corresponding information from the serving gateway by using the MME. the address of. That is, the secondary base station may determine, according to the identifier information, the process interaction address information that is used in the embodiment of the present invention, without using the process of the existing mechanism;
  • the secondary base station may determine that the corresponding address is obtained by the MME to the serving gateway, that is, the existing address is adopted.
  • the device in the embodiment of the present invention can also instruct the secondary base station to perform address interaction by using the method in the embodiment of the present invention, which simplifies the existing address interaction process and reduces signaling overhead.
  • FIG. 9 is a schematic diagram showing the structure of an information interaction apparatus according to an embodiment of the present invention.
  • the apparatus 900 includes: a second receiving unit 901 and a second sending unit 902;
  • the second receiving unit 901 is configured to receive a request message sent by the primary base station, where the request message includes an uplink address of the uplink data of the service that the primary base station receives the user equipment on the secondary base station, and the second sending unit 902 is configured to use the request message according to the request message.
  • the information contained in the message returns a response message to the primary base station, where the response message includes a downlink address of the downlink data of the secondary base station receiving the service.
  • the request message may be an add or configuration request message, as described in Embodiment 1-5, and details are not described herein again.
  • the request message includes an uplink address, and the process of the embodiment is used to determine an address according to the uplink address, instead of using an existing mechanism, that is, the MME is not required to obtain an address from the serving gateway, thereby simplifying the process.
  • the request message may further include the identifier information, where the identifier information is used to indicate that when the request message is received, the MME is not required to obtain the service gateway. address. As described in the foregoing embodiment 4-5, details are not described herein again.
  • the apparatus 900 may further include a third receiving unit 903 and a third sending unit 904; wherein the third receiving unit 903 is configured to receive the uplink address and the downlink address sent by the primary base station; It is used to send the uplink address and the downlink address to the MME.
  • the third receiving unit 903 and the third transmitting unit 904 are optional components.
  • the information interaction apparatus 900 may further include a notifying unit (not shown) for notifying the MME of the uplink address and the downlink address.
  • the notification unit is also an optional component.
  • the device 900 is disposed on the secondary base station side, and further, the device can be integrated into the secondary base station.
  • the workflow of the apparatus 900 is similar to that of the embodiment 2, FIG. 6, and FIG. 7 shown in FIG. 5, and will not be described again.
  • the seventh embodiment of the present invention further provides a base station, where the base station corresponds to the primary base station, and integrates the function of the serving gateway of the secondary base station, and includes the information interaction device 800 described in Embodiment 5.
  • FIG. 10 is a block diagram showing the configuration of a base station according to a seventh embodiment of the present invention.
  • base station 1000 can include: a central processing unit (CPU) 1001 and a memory 1002; and a memory 1002 coupled to central processing unit 1001.
  • the memory 1002 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 1001 to receive various information sent by the user equipment and the secondary base station, and to the secondary base station and the user.
  • the device and the MME send information.
  • the functionality of device 800 can be integrated into central processor 1001.
  • the central processing unit 1001 may be configured to: send a request message to the secondary base station, where the request message includes an uplink address of the uplink data of the service that the primary base station receives the user equipment on the secondary base station; and the receiving the secondary base station according to the request message
  • the returned response message includes a downlink address of the downlink data of the secondary base station receiving the service.
  • the central processing unit 1001 is further configured to notify the MME or the secondary base station of an uplink address and a downlink address.
  • the device 800 can be configured separately from the central processing unit.
  • the device 800 can be configured as a chip connected to the central processing unit 1001, and implemented by the control of the central processing unit 1001. 800 features.
  • the memory 1002 can store the above uplink address and downlink address.
  • the base station 1000 may further include: a transceiver 1003, an antenna 1004, and the like; wherein the functions of the foregoing components are similar to those of the prior art, and details are not described herein again. It should be noted that the base station 1000 does not have to include all the components shown in FIG. 10; in addition, the base station 1000 may further include components not shown in FIG. 10, and reference may be made to the prior art.
  • Embodiment 8 of the present invention further provides a base station, where the base station is a secondary base station, and includes the information interaction device 900 described in Embodiment 6.
  • the base station can include: a central processor
  • the memory is coupled to the central processor.
  • the memory can store various data; in addition, a program for information processing is stored, and the program is executed under the control of the central processor to receive information transmitted by the primary base station and to transmit information to the primary base station and the MME.
  • the functionality of device 900 can be integrated into a central processor.
  • the central processing unit may be configured to: receive a request message sent by the primary base station, where the request message includes an uplink address of the uplink data of the service that the primary base station receives the user equipment on the secondary base station; and according to the information included in the request message Returning a response message to the primary base station, where the response message includes a downlink address of the downlink data of the secondary base station receiving the service.
  • the central processing unit may be configured to: receive the uplink address and the downlink address sent by the primary base station; send the uplink address and the downlink address to the MME, or send the uplink address and the downlink address to the MME.
  • the device 900 can be configured separately from the central processor, for example, the device can be
  • the 900 is configured as a chip connected to the central processing unit, and the functions of the device 900 are implemented by the control of the central processing unit.
  • the memory can store the above uplink address and downlink address.
  • the base station may further include: a transceiver, an antenna, and the like; wherein the functions of the foregoing components are similar to the prior art, and details are not described herein again. It should be noted that the base station does not have to include all of the components shown in FIG. 10; in addition, the base station may also include components not shown in FIG. 10, and reference may be made to the prior art.
  • FIG. 11 is a block diagram showing the configuration of a communication system in accordance with a ninth embodiment of the present invention.
  • a primary base station MeNB
  • a secondary base station SeNB
  • an MME Mobility Management Entity
  • an S-GW including a serving gateway integrated with a secondary base station
  • the primary base station is configured to send a request message to the secondary base station, where the request message includes the primary base station receiving the user equipment.
  • An uplink address of the uplink data of the service on the secondary base station receiving a response message returned by the secondary base station according to the request message, where the response message includes a downlink address of the downlink data of the secondary base station receiving the service;
  • the secondary base station is configured to receive a request message sent by the primary base station, where the request message includes an uplink address of the uplink data of the service that the primary base station receives the user equipment on the secondary base station; and the information included in the request message is sent to the primary base station. Returning a response message, where the response message includes a downlink address of the downlink data that the secondary base station receives the service.
  • the MME may receive uplink and downlink addresses sent by the primary base station or the secondary base station.
  • the base station of the seventh embodiment is configured as described in Embodiment 7, and the base station is configured as shown in FIG. 6 and FIG. .
  • the primary base station may also indicate which mechanism the secondary base station uses to perform information interaction by using the indication information or the information contained in the request message.
  • the primary base station or the secondary base station may also notify the MME of the uplink and downlink addresses to establish a connection in the core network architecture.
  • Embodiments of the present invention also provide a computer readable program, wherein when the program is executed in an information interaction device or a primary base station, the program causes a computer to execute the embodiments 1 and 3 in the information interaction device or the primary base station The information interaction method described in -4.
  • 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 information interaction method described in Embodiments 1, 3-4 in the information interaction device or the primary base station.
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in an information interaction device or a secondary base station, the program causes the computer to execute the embodiments 2, 3 in the information interaction device or the secondary base station The information interaction method described in -4.
  • 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 information interaction method described in Embodiments 2, 3-4 in the information interaction device or the secondary base station.
  • the above apparatus and method of the present invention may be implemented by hardware, or may be implemented 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.
  • Logic components such as field programmable logic components, microprocessors, processors used in computers, and the like.
  • 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.

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Abstract

本发明实施例提供一种信息交互装置、基站和通信系统。该装置包括：第一发送单元，该第一发送单元用于向辅基站发送请求消息，该请求消息包括主基站接收用户设备在该辅基站上的业务的上行数据的上行地址；第一接收单元，该第一接收单元用于接收该辅基站根据该请求消息返回的响应消息，该响应消息包括该辅基站接收该业务的下行数据的下行地址。通过该装置可简化信息交互流程，节约信令的开销。

Description

信息交互装置、 基站和通信系统 技术领域
本发明涉及通信领域， 特别涉及一种信息交互装置、 基站和通信系统。 背景技术
在 Rell2的增强的长期演进 （LTE-A， Advanced Long Term Evolution) 网络中， 多节点间的资源聚合允许一个用户能够被至少两个基站， 如主基站 （MeNB， Master eNB) 和辅基站 （SeNB， Secondary eNB) 同时服务。
在这种结构下， 一种可能的用户平面的协议栈结构如图 1所示， 即用户不同的服 务 （如演进型通用陆地无线接入承载 E-RAB) 由不同的基站提供。 在这种结构下， 当要在辅基站上为用户添加新的服务或者对已经在辅基站提供的服务进行重配时，需 要辅基站和服务网关 （S-GW， Serving Gateway) 相互交换用于收发该服务的上行和 下行地址。
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
但是在未来的网络结构中，基站可能会集成 S-GW的功能，如果依然按照目前的 流程来交换上下行地址， 则会引入较多的信令开销。
本发明实施例提供一种信息交互装置、基站和通信系统， 不需通过 MME向服务 网关获取相应的地址， 可简化交互流程并减少信令开销。
根据本发明实施例的第一方面， 提供了一种信息交互装置， 该装置包括： 第一发送单元， 该第一发送单元用于向辅基站发送请求消息， 该请求消息包括主 基站接收用户设备在该辅基站上的业务的上行数据的上行地址；
第一接收单元，该第一接收单元用于接收该辅基站根据该请求消息返回的响应消 息， 该响应消息包括该辅基站接收该业务的下行数据的下行地址。
根据本发明实施例的第二方面， 提供了一种信息交互装置， 该装置包括： 第二接收单元， 该第二接收单元用于接收主基站发送的请求消息， 该请求消息包 括该主基站接收用户设备在辅基站上的业务的上行数据的上行地址；
第二发送单元，该第二发送单元用于根据该请求消息中包含的信息向该主基站返 回响应消息， 该响应消息包括该辅基站接收该业务的下行数据的下行地址。
根据本发明实施例的第三方面，提供了一种基站， 该基站包括第一方面所述的信 息交互装置。
根据本发明实施例的第四方面，提供了一种基站， 该基站包括第二方面所述的信 息交互装置。
根据本发明实施例的第五方面， 提供了一种通信系统， 包括主基站、 辅基站， 其 中， 该主基站用于向辅基站发送请求消息， 该请求消息包括主基站接收用户设备在该 辅基站上的业务的上行数据的上行地址，接收该辅基站根据该请求消息返回的响应消 息， 该响应消息包括该辅基站接收该业务的下行数据的下行地址；
该辅基站用于接收主基站发送的该请求消息，根据该请求消息中包含的信息向该 主基站返回该响应消息。
本发明实施例的有益效果在于：辅基站不需通过 MME向服务网关获取相应的地 址， 从而简化交互流程并减少信令开销。
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
所包括的附图用来提供对本发明实施例的进一步的理解，其构成了说明书的一部 分， 用于例示本发明的实施方式， 并与文字描述一起来阐释本发明的原理。 显而易见 地， 下面描述中的附图仅仅是本发明的一些实施例， 对于本领域普通技术人员来讲， 在不付出创造性劳动性的前提下， 还可以根据这些附图获得其他的附图。 在附图中： 图 1是用户平面的协议栈结构示意图；
图 2是核心网结构示意图；
图 3是图 2所示的核心网结构交互地址的流程图；
图 4是本发明实施例 1的信息交互流程图；
图 5是本发明实施例 2的信息交互流程图；
图 6是本发明实施例 3的信息交互流程图；
图 7是本发明实施例 4的信息交互流程图；
图 8是本发明实施例 5的信息交互装置构成示意图；
图 9是本发明实施例 6的信息交互装置构成示意图；
图 10是本发明实施例 7的主基站构成示意图；
图 11是本发明实施例 9的通信系统架构示意图。 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。下面结合附图对本发明 的各种实施方式进行说明。 这些实施方式只是示例性的， 不是对本发明的限制。
图 2是现有的核心网结构示意图。如图 2所示，在该结构中，包括主基站 ( MeNB )、 辅基站 （SeNB) 和服务网关 （S-GW)， 该 S-GW是一个独立的网络实体。 当需要在 该 SeNB上配置用户的服务（如添加新的服务或重新配置现有的服务） 时， 该 MeNB 或 SeNB需要按照图 3所示的流程图与移动性管理实体（MME， Mobility Management Entity) 和 S-GW来交互上行、 下行地址。
图 3是上下行地址交互流程图。 如图 3所示， 包含两个可选的流程， 如虚线框内 的流程， 在该流程中， 该下行地址 （DL address) 指明了 S-GW要发送相应服务的下 行数据给用户时需要将该数据发送到的在 SeNB上的地址。该上行地址（UL address) 指明了 SeNB要发送用户相应服务的上行数据时需要将该数据发送到的在 S-GW上的 地址。 由图 3可知， 上下行地址的通知需要 5条消息， 即路径交互请求 （path switch request)消息， 修改承载请求（modify bearer request)消息， 修改承载响应（ modify bearer response) 消息， 路径交换请求确认 （path switch request ACK) 消息， 增加 /重 酉己置确认或通知 （ Add/reconfiguration confirm or Notification) 消息。
但是， 在 SeNB的 S-GW集成在 MeNB上时， 如果仍然按照上述流程进行上下 行地址的交互， 将会带来过多的信令开销。
为了解决上述问题， 本发明实施例提供一种信息交互方法， 可简化交互流程， 减 少信令开销。
首先需要说明的是， 对于每一个业务， 例如 LTE系统中的演进的通用路基无线 接入网 （E-UTRAN, Evolved Universal Terrestrial Radio Access Network)无线接入承 载 （E-RAB， E-UTRAN Radio Access Bearer)), 均会有一个在服务网关 （S-GW) 上 的上行地址和在辅基站 （SeNB) 上的下行地址。 该 SeNB需要获知该上行地址， 以 便于该 SeNB要发送用户的该业务的上行数据时，将该上行数据发送到该 S-GW的该 地址。该 S-GW需要获知该下行地址， 以便于该 S-GW要发送用户的该业务的下行数 据时将该下行数据发送给该 SeNB的该地址。 因此， 在本实施例中所涉及的上行地址 和下行地址时， 都是针对某一个业务的地址。
下面结合附图来对本发明实施例的信息交互方法进行说明。
实施例 1
图 4是本发明实施例 1的信息交互方法流程图。 如图 4所示， 该方法包括： 步骤 401， 主基站向辅基站发送请求消息， 该请求消息包括该主基站接收用户设 备在该辅基站上的业务的上行数据的上行地址；
步骤 402， 接收该辅基站根据该请求消息返回的响应消息， 该响应消息包括该辅 基站接收该业务的下行数据的下行地址。
由上述实施例可知，在辅基站的 S-GW集成在主基站上时，通过上述流程即可交 互上下行地址， 不需要通过 MME获取相应的地址， 与图 3所示的信令流程图相比简 化了交互流程， 降低了信令的开销。
在本实施例中， 该方法还可包括： 该主基站通知 MME或辅基站该上行地址和下 行地址。 这样， 可建立该核心网结构下的连接。
在本实施例中， 可通过通知 （Notification)消息直接将该上行地址和下行地址通 知该 MME， 此外还可采用其他消息来通知， 此处不再赘述。 此外， 还可通过通知消息将该上行地址和下行地址发送给 SeNB， 然后由 SeNB 发送给该 MME。
实施例 2
图 5是本发明实施例 2的信息交互方法流程图。 如图 5所示， 该方法包括： 步骤 501， 辅基站接收主基站发送的请求消息， 该请求消息包括该主基站接收用 户设备在该辅基站上的业务的上行数据的上行地址；
步骤 502， 根据该请求消息中包含的信息向该主基站返回响应消息， 该响应消息 包括该辅基站接收该业务的下行数据的下行地址。
由上述实施例可知，在辅基站的 S-GW集成在主基站上时，通过上述流程即可交 互上下行地址， 与图 3所示的信令流程图相比简化了交互流程， 降低了信令的开销。
在本实施例中， 在主基站通过该辅基站向 MME发送该上行地址和下行地址时， 该方法还可包括： 该辅基站接收该主基站发送的该上行地址和下行地址； 将该上行地 址和下行地址向 MME发送。
在本实施例中， 该辅基站可直接向该 MME发送该上行地址和下行地址。
在上述实施例 1和实施例 2中， 该请求消息中的上行地址还用于指示该辅基站， 在接收到该请求消息后， 不需要采用现有机制的流程来获得相应的地址， 即不需要通 过 MME向服务网关获取相应的地址， 因此， 可简化地址交互流程并减少信令开销。
此外， 不使用该上行地址来指示， 可在该请求消息中添加标识信息， 通过该标识 信息来指示， 该辅基站不需要通过 MME向服务网关获取相应的地址。
实施例 3
本实施例以核心网结构中连接建立过程中的地址交互为例进行说明。在该核心网 结构中， 主基站上集成了辅基站的服务网关的功能。
图 6是本发明实施例 3的信息交互方法流程图。 如图 6所示， 该方法包括： 步骤 601， 主基站向辅基站发送请求消息， 该请求消息包括该主基站接收用户设 备在该辅基站上的业务的上行数据的上行地址；
在本实施例中， 该请求消息可采用增加请求消息 （Add Request), 该增加请求消 息可用于在 SeNB上为用户增加新的业务， 在本实施例中， 将该上行地址包含在该消 息中向该 SeNB 发送； 此外， 该请求消息还可采用重配请求消息 （Reconfiguration Request), 该消息用于对用户已经在 SeNB上的业务进行重配； 但不限于上述请求消 息， 还可采用现有的或新增的任何一个消息。
步骤 602， 该辅基站接收该请求消息， 根据该请求消息中包含的信息向该主基站 返回响应消息， 该响应消息包括该辅基站接收该业务的下行数据的下行地址；
在本实施例中， 该响应消息可为增加或重配置响应消息， 此外， 还可采用现有的 或新增的任何一个消息；
在本实施例中， 在该请求消息中包含该上行地址时， 该辅基站可确定无需通过 MME向服务网关获取相应的地址， 如无需采用现有机制的流程来交互地址信息 （如 图 3 )， 而采用本发明实施例的流程来交互地址信息； 如果在该请求消息中没有该上 行地址时， 该辅基站可确定采用现有机制的流程， 即通过 MME向服务网关获取相应 的地址来交互地址信息。
步骤 603， 该主基站向用户设备发送连接重配 （Reconf. ) 消息；
其中， 通过该消息可进行辅基站的配置， 配置空口参数等， 与现有技术类似， 此 处不再赘述。
步骤 604， 该用户设备接收到该 Reconf.消息后， 向该主基站返回连接重配完成 ( econf.Coml. ) 消息。
在本实施例中， 该方法还包括：
步骤 605， 该主基站将该上行地址和下行地址通知 MME;
在本实施例中， 可通过 Notification消息来通知 MME。
此外， 该主基站还可将该上行地址和下行地址通过 SeNB向 MME发送， 在这种 情况下， 该方法可包括：
步骤 606， 该主基站将该上行地址和下行地址向该 SeNB发送；
步骤 607， 该 SeNB将该上行地址和下行地址向该 MME发送。
如图 6所示， 由于辅基站也获知该上行地址和下行地址， 因此， 该辅基站可直接 将该上行地址和下行地址向该 MME发送 （见步骤 608)。
由上述实施例可知，通过步骤 601和步骤 602即可交互地址信息， 简化了现有的 地址交互流程， 减少了信令开销。 并且该主基站可将上下行地址通知用户和 MME， 可建立核心网结构中的连接。 并且在本实施例中， 该辅基站通过请求消息中的 "上行 地址"来确定采用本发明实施例的信息交互机制， 而不采用现有机制交互地址信息。
实施例 4 图 7是本发明实施例 4的信息交互方法流程图。与实施例 3的不同之处在于，使 用标识信息来指示该辅基站无需通过 MME向服务网关获取相应的地址。
如图 7所示， 该方法包括步骤：
步骤 701，主基站向辅基站发送请求消息，该请求消息包括上行地址和标识信息， 其中， 该上行地址与上述实施例 1-3相同， 该标识信息用于指示在接收到该请求消息 时， 无需通过 MME向服务网关获取相应的地址， 即该标识信息指示了可采用本实施 例的流程， 无需采用现有机制的流程；
如果在该请求消息中未包括该标识信息， 或者包括了指示利用现有机制的流程， 即需通过 MME向服务网关获取相应的地址，则该辅基站可确定采用现有机制的流程 来交互地址信息。
其他步骤 702-708与实施例 3的步骤 602-608类似， 此处不再赘述。
由上述实施例可知，通过本发明实施例可简化了现有的地址交互流程，减少了信 令开销。 并且该主基站可将上下行地址通知用户和 MME， 可建立核心网结构中的连 接。 并且在本实施例中， 该辅基站通过请求消息中的标识信息来确定无需通过 MME 向服务网关获取相应的地址， 即采用本发明实施例的信息交互机制， 而不采用现有机 制交互地址信息。
实施例 5
图 8是本发明实施例 5的信息交互装置构成示意图。如图 8所示，装置 800包括： 第一发送单元 801和第一接收单元 802; 其中，
第一发送单元 801用于向辅基站发送请求消息，该请求消息包括主基站接收用户 设备在该辅基站上的业务的上行数据的上行地址；第一接收单元 802用于接收该辅基 站根据该请求消息返回的响应消息，该响应消息包括辅基站接收该业务的下行数据的 下行地址。
通过本发明实施例的装置可简化了现有的地址交互流程， 减少了信令开销。 在本实施例中， 如图 8所示， 装置 800还可包括通知单元 803， 通知单元 803用 于通知 MME或辅基站该上行地址和下行地址。从而可在核心网结构中建立连接。通 知单元 803为可选部件， 用虚框表示。
在本实施例中，装置 800设置于主基站侧， 该主基站集成了辅基站的服务网关功 能， 此外该装置可以被集成到主基站。 装置 800的工作流程与图 4所示的实施例 1、 图 6、 图 7所示的实施例 3、 4类似， 此处不再赘述。
在上述实施例中，第一发送单元 801发送的请求消息中包含上行地址，在该辅基 站接收到包含上行地址的请求消息时，可确定不需要通过 MME向服务网关获取相应 的地址， 即确定采用本发明实施例的流程交互地址信息， 而不采用现有机制的流程来 交互地址信息； 如果该请求消息中不包含上行地址， 则该辅基站可确定通过 MME向 服务网关获取相应的地址， 即采用现有机制的流程。
在本实施例中，除了采用上述方式来指示辅基站采用哪种机制的流程来交互地址 信息外， 还可采用标识信息来指示是否需要通过 MME向服务网关获取相应的地址， 即采用哪种流程来交互地址信息。这样，第一发送单元 801发送的请求消息中除了上 述上行地址外， 还可包括标识信息， 该标识信息用于指示该辅基站， 在接收到该请求 消息时， 无需通过 MME向服务网关获取相应的地址。 即该辅基站可根据该标识信息 确定采用本发明实施例的流程交互地址信息， 无需采用现有机制的流程；
如果在该请求消息中未包括该标识信息，或者包括了指示需通过 MME向服务网 关获取相应的地址的标识信息，则该辅基站可确定通过 MME向服务网关获取相应的 地址， 即采用现有机制的流程来交互地址信息。
通过本发明实施例的装置还可指示辅基站采用本发明实施例的方法来进行地址 交互， 简化了现有的地址交互流程， 减少了信令开销。
实施例 6
图 9是本发明实施例的信息交互装置构成示意图。 如图 9所示， 装置 900包括： 第二接收单元 901和第二发送单元 902; 其中，
第二接收单元 901用于接收主基站发送的请求消息，该请求消息包括该主基站接 收用户设备在该辅基站上的业务的上行数据的上行地址；第二发送单元 902用于根据 该请求消息中包含的信息向该主基站返回响应消息，该响应消息包括该辅基站接收该 业务的下行数据的下行地址。
通过本发明实施例的装置可简化了现有的地址交互流程， 减少了信令开销。 在本实施例中， 该请求消息可采用增加或配置请求消息， 如实施例 1-5所述， 此 处不再赘述。 另外， 在该请求消息中包含上行地址， 可根据该上行地址确定采用本实 施例的流程来交互地址， 而不采用现有机制的流程， 即无需通过 MME向服务网关获 取地址， 从而简化了流程。 在本实施例中， 如果采用标识信息来指示采用哪种交互机制时， 该请求消息中还 可包括标识信息， 该标识信息用于指示在接收到该请求消息时， 无需通过 MME向服 务网关获取地址。 如上述实施例 4-5所述， 此处不再赘述。
在本实施例中，在向该主基站返回该响应消息后，还可接收主基站发送的上行和 下行地址， 并将该上行和下行地址向 MME发送。 在这种情况下， 装置 900还可包括 第三接收单元 903和第三发送单元 904; 其中， 第三接收单元 903用于接收该主基站 发送的该上行地址和下行地址； 第三发送单元 904 用于将该上行地址和下行地址向 MME发送。 第三接收单元 903和第三发送单元 904为可选部件。
在本实施例中， 信息交互装置 900 还可包括通知单元 （未示出）， 用于通知该 MME该上行地址和下行地址。 该通知单元也为可选部件。
在本实施例中，装置 900设置于辅基站侧，此外，该装置还可以被集成到辅基站。 装置 900的工作流程与图 5所示的实施例 2、 图 6、 图 7所示的实施例 3、 4类似， 此 处不再赘述。
实施例 7
本发明实施例 7还提供一种基站， 该基站对应主基站，集成了辅基站的服务网关 的功能， 包括实施例 5所述的信息交互装置 800。
图 10是本发明实施例 7的基站的构成示意图。 如图 10所示， 基站 1000可以包 括： 中央处理器 （CPU) 1001和存储器 1002; 存储器 1002耦合到中央处理器 1001。 其中该存储器 1002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 1001的控制下执行该程序， 以接收用户设备、 辅基站发送的各种信息、 并且向辅 基站、 用户设备、 MME发送信息。
在一个实施方式中， 装置 800的功能可以被集成到中央处理器 1001中。 其中， 中央处理器 1001可以被配置为： 向辅基站发送请求消息， 该请求消息包括该主基站 接收用户设备在该辅基站上的业务的上行数据的上行地址；接收该辅基站根据该请求 消息返回的响应消息， 该响应消息包括所述辅基站接收该业务的下行数据的下行地 址。
此外， 中央处理器 1001还被配置为通知 MME或辅基站上行地址和下行地址。 在另一个实施方式中， 装置 800 可以与中央处理器分开配置， 例如可以将装置 800配置为与中央处理器 1001连接的芯片， 通过中央处理器 1001的控制来实现装置 800的功能。
在本实施例中， 存储器 1002可存储上述上行地址和下行地址。
此外，如图 10所示，基站 1000还可以包括： 收发机 1003和天线 1004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 1000也并不 是必须要包括图 10中所示的所有部件； 此外， 基站 1000还可以包括图 10中没有示 出的部件， 可以参考现有技术。
实施例 8
本发明实施例 8还提供一种基站， 该基站为辅基站，包括实施例 6所述的信息交 互装置 900。
本发明实施例 8 的基站的实例图可参考图 10。 该基站可以包括： 中央处理器
(CPU)和存储器； 存储器耦合到中央处理器。 其中该存储器可存储各种数据； 此外 还存储信息处理的程序， 并且在中央处理器的控制下执行该程序， 以接收主基站发送 的信息、 并且向主基站、 MME发送信息。
在一个实施方式中， 装置 900的功能可以被集成到中央处理器中。其中， 中央处 理器可以被配置为： 接收主基站发送的请求消息， 该请求消息包括该主基站接收用户 设备在该辅基站上的业务的上行数据的上行地址；根据该请求消息中包含的信息向该 主基站返回响应消息， 该响应消息包括该辅基站接收该业务的下行数据的下行地址。
此外，该中央处理器还可被配置为：接收该主基站发送的该上行地址和下行地址； 将该上行地址和下行地址向 MME发送、 或者向 MME发送该上行地址和下行地址。
在另一个实施方式中， 装置 900 可以与中央处理器分开配置， 例如可以将装置
900配置为与中央处理器连接的芯片，通过中央处理器的控制来实现装置 900的功能。
在本实施例中， 存储器可存储上述上行地址和下行地址。
此外， 该基站还可以包括： 收发机和天线等； 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， 该基站也并不是必须要包括图 10中所示的所 有部件； 此外， 该基站还可以包括图 10中没有示出的部件， 可以参考现有技术。
实施例 9
图 11是本发明实施例 9的通信系统构成示意图。如图 11所示， 包括集成了辅基 站的服务网关的主基站 （MeNB)、 辅基站 （SeNB)、 MME、 S-GW; 其中，
该主基站用于向辅基站发送请求消息，该请求消息包括该主基站接收用户设备在 该辅基站上的业务的上行数据的上行地址；接收该辅基站根据该请求消息返回的响应 消息， 该响应消息包括所述辅基站接收所述业务的下行数据的下行地址；
该辅基站用于接收主基站发送的请求消息，该请求消息包括所述主基站接收用户 设备在该辅基站上的业务的上行数据的上行地址；根据该请求消息中包含的信息向该 主基站返回响应消息， 该响应消息包括该辅基站接收该业务的下行数据的下行地址。
在本实施例中， 该 MME可接收该主基站或辅基站发送的上行和下行地址。 在本实施例中， 该主基站的构成如实施例 7所述的基站、该辅基站的构成如实施 例 8所述的基站， 其工作流程如图 6、 7所示， 此处不再赘述。
通过本发明实施例的方法可简化现有的信息交互流程，节省信令开销，解决了现 有技术中存在的问题。此外， 主基站还可通过指示信息或者请求消息中包含的信息来 指示辅基站采用哪种机制进行信息交互。此外， 主基站或辅基站还可将上行和下行地 址通知 MME， 以在核心网架构中进行连接的建立。
本发明实施例还提供一种计算机可读程序，其中当在信息交互装置或主基站中执 行所述程序时， 所述程序使得计算机在所述信息交互装置或主基站中执行实施例 1、 3-4所述的信息交互方法。
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信息交互装置或主基站中执行实施例 1、 3-4所述的信息交互方 法。
本发明实施例还提供一种计算机可读程序，其中当在信息交互装置或辅基站中执 行所述程序时， 所述程序使得计算机在所述信息交互装置或辅基站中执行实施例 2、 3-4所述的信息交互方法。
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信息交互装置或辅基站中执行实施例 2、 3-4所述的信息交互方 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。逻辑 部件例如现场可编程逻辑部件、微处理器、计算机中使用的处理器等。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。 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

权 利 要 求 书
1、 一种信息交互装置， 所述装置包括：
第一发送单元，所述第一发送单元用于向辅基站发送请求消息，所述请求消息包 括主基站接收用户设备在所述辅基站上的业务的上行数据的上行地址；
第一接收单元，所述第一接收单元用于接收所述辅基站根据所述请求消息返回的 响应消息， 所述响应消息包括所述辅基站接收所述业务的下行数据的下行地址。
2、 根据权利要求 1所述的装置， 其中， 所述装置还包括：
通知单元， 所述通知单元用于通知移动性管理实体 （MME) 或者辅基站所述上 行地址和下行地址。
3、 根据权利要求 1所述的装置， 其中， 所述消息还包括标识信息， 所述标识信 息用于指示所述辅基站， 在接收到所述请求消息时， 不需通过 MME从服务网关获取 相应的地址。
4、 一种信息交互装置， 所述装置包括：
第二接收单元，所述第二接收单元用于接收主基站发送的请求消息，所述请求消 息包括所述主基站接收用户设备在辅基站上的业务的上行数据的上行地址；
第二发送单元，所述第二发送单元用于根据所述请求消息中包含的信息向所述主 基站返回响应消息，所述响应消息包括所述辅基站接收所述业务的下行数据的下行地 址。
5、 根据权利要求 4所述的装置， 其中， 所述消息还包括标识信息， 所述标识信 息用于指示在接收到所述请求消息时， 不需通过 MME从服务网关获取相应的地址。
6、 根据权利要求 4所述的装置， 其中， 所述装置还包括：
第三接收单元，所述第三接收单元用于接收所述主基站发送的所述上行地址和下 行地址；
第三发送单元， 所述第三发送单元用于将所述上行地址和下行地址向 MME 发 送。
7、 根据权利要求 1或 4所述的装置， 其中， 所述主基站集成了辅基站的服务网 关功能。
8、 根据权利要求 1或 4所述的装置， 其中， 所述请求消息中包含的上行地址还 用于指示所述辅基站， 在接收到所述请求消息时， 不需通过 MME从服务网关获取相 应的地址。
9、 一种基站， 包括权利要求 1所述的信息交互装置。
10、 一种基站， 包括权利要求 4所述的信息交互装置。
11、 一种通信系统， 包括主基站、 辅基站， 其中，
所述主基站用于向辅基站发送请求消息，所述请求消息包括主基站接收用户设备 在所述辅基站上的业务的上行数据的上行地址，接收所述辅基站根据所述请求消息返 回的响应消息， 所述响应消息包括所述辅基站接收所述业务的下行数据的下行地址； 所述辅基站用于接收主基站发送的所述请求消息，根据所述请求消息中包含的信 息向所述主基站返回所述响应消息。
12、 根据权利要求 11所述的系统， 其中， 所述主基站集成了辅基站的服务网关 功能。
13、根据权利要求 11所述的系统， 其中， 所述系统还包括 MME， 并且所述主基 站还用于向辅基站或所述 MME发送所述上行地址和下行地址；或者所述辅基站向所 述 MME发送所述上行地址和下行地址。
14、 根据权利要求 11所述的系统， 其中， 所述请求消息中包含的上行地址还用 于指示所述辅基站， 在接收到所述请求消息时， 不需通过 MME从服务网关获取相应 的地址。
15、 根据权利要求 11所述的系统， 其中， 所述请求消息还包括标识信息， 所述 标识信息用于指示在接收到所述请求消息时，不需通过 MME从服务网关获取相应的 地址。
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