CN105264963A - Backhaul data transmission method, device and system - Google Patents

Backhaul data transmission method, device and system Download PDF

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Publication number
CN105264963A
CN105264963A CN201380003076.3A CN201380003076A CN105264963A CN 105264963 A CN105264963 A CN 105264963A CN 201380003076 A CN201380003076 A CN 201380003076A CN 105264963 A CN105264963 A CN 105264963A
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intermediate node
message
base station
via node
node
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CN105264963B (en
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李明超
熊新
韩广林
施艺
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • 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
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention relates to the field of communications. Disclosed in an embodiment of the present invention are a backhaul data transmission method, device and system for improving backhaul capacity, thus improving system performance. The method of the present invention comprises: an intermediate node receives the backhaul data of a relay node transmitted by an evolved node B (eNB) in a first multimedia broadcast single frequency network (MBSFN) subframe, the position of the first MBSFN subframe being the same as the position of one or more downlink MBSFN subframes of the backhaul link of the relay node; receiving a first scheduling instruction message transmitted by the relay node, the first scheduling instruction message being used to indicate the uplink resource of the access link of the relay node used to transmit the backhaul data; and according to the first scheduling instruction message, transmitting the backhaul data to the relay node in the first subframe, the position of the first subframe being the same as the position of one or more uplink transmission subframes of the access link.

Description

Backhaul data transmission method, device and system
The present invention relates to the communications field, more particularly to a kind of methods, devices and systems for transmitting backhaul data for a kind of methods, devices and systems technical field for transmitting backhaul data.Background technology
In LTE (Long Term Evolution, Long Term Evolution）In system, in order to expand power system capacity, the coverage of extended network, wireless relay is introduced（ relay ).Introduce after relay, the network architecture of LTE system as shown in figure 1, including：ENB (evolved Node B, enode b) (base station）, relay and UE (User Equipment, user equipment）, wherein, UE includes：The lower UE of eNB coverings (hereinafter referred to " Macro-UE, grand UE "), the UE (being hereinafter referred to " R-UE ") under relay coverings;In the network architecture, link can be divided into according to the difference of service object：Direct transfer link (Direct link), access link（Access link) and back haul link（Backhaul link) wherein, relay in the carrier frequency identical network that the carrier frequency that access link can be used is used with back haul link is referred to as in-band relay, and the relay in the carrier frequency that access link the is used network different from the carrier frequency that back haul link is used is referred to as out-band relay.Relay is by UE modules and eNB module compositions, as shown in Figure 2.In down direction, UE modules receive the downlink data that eNB is sent in back haul link, then in access link downlink data are sent into R-UE by eNB modules.For in-band relay, because the carrier frequency that back haul link is used is identical with the carrier frequency that access link is used, therefore, if while UE modules receive the downlink data that eNB is sent, eNB modules send downlink data to R-UE, then eNB modules send downlink data and UE modules reception downlink data will be interfered.Similarly, in up direction, if while eNB modules receive the upstream data that R-UE is sent, UE modules send upstream data to eNB, then UE modules send upstream data and eNB modules reception upstream data will be interfered.Usually, can be by by back haul link Relay internal interferences referred to as self-interference caused by data is transmitted/received with access link simultaneously.In order to avoid self-interference, 3 GPP (3rd Generation Partnership Proj ect, third generation partner program）Determine that in-band relay access link and back haul link use TDM (Testing Data Management, time division multiplexing）, specifically：In down direction, synchronization relay only receives the data of eNB transmissions, or only to R-UE transmission data；In up direction, synchronization relay only receives the data of R-UE transmissions, or only to eNB transmission data.Further, in order to solve the collision problem that relay and R-UE monitors the PDCCH moment, 3 GPP are determined using MB SFN (Multicast Broadcast Single Frequency Network, multimedia broadcasting Single Frequency Network）Subframe does backhaul transport.Above-mentioned in-band relay access link and back haul link uses TDM, and does backhaul transport by using MB SFN subframes and limit backhaul capacity.For example：In TDD (Time Division Duplexing, time division duplex）In system, if eNB is only by a radio frames（Including #0 #9, totally 10 subframes）In #4, #9 as back haul link downlink transfer subframe, for descending in backhaul link transmission（Backhaul）Data, so, when R-UE portfolio is very big, easily causes backhaul capacity and are limited.Content of the invention embodiments of the invention provide a kind of methods, devices and systems for transmitting backhaul data, to lift backhaul capacity, so as to improve systematic function.To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：First aspect there is provided it is a kind of transmit backhaul data method, including：Intermediate node receives the backhaul data for the via node that base station is sent in the first multimedia broadcasting Single Frequency Network MB SFN subframes, and the position of the first MB SFN subframes is identical with the position of one or more descending MBSFN sub-frame of the back haul link of the via node；The first scheduling instruction message that via node is sent is received, first scheduling indicates that message is used to indicate to transmit the access link of the via node used in the backhaul data Ascending resource；
Indicate that message sends the backhaul data in the first subframe to the via node according to the described first scheduling, the position of first subframe is identical with the position of one or more uplink subframe of the access link.
With reference in a first aspect, in the first possible implementation, in the intermediate node before the backhaul data that the first MBSFN sub-frame receives the via node that base station is sent, methods described also includes：The MBSFN sub-frame configuration message that the base station is sent is received, the MBSFN sub-frame configuration message package contains the position of first MBSFN sub-frame；The first MBSFN sub-frame according to the MBSFN sub-frame configures message arrangement.With reference in a first aspect, in second of possible implementation, in the intermediate node before the backhaul data that the first multimedia broadcasting Single Frequency Network MBSFN subframes receive the via node that base station is sent, methods described also includes：The second scheduling instruction message that the base station is sent by the physical downlink control channel PDCCH of the base station is received in the first MBSFN subframes, second scheduling indicates that message is used to indicate that the intermediate node receives the backhaul data by the Physical Downlink Shared Channel P D S C H of the base station；The intermediate node receives the backhaul data for the via node that base station is sent in the first multimedia broadcasting Single Frequency Network MBSFN subframes, including：Intermediate node indicates message according to the described second scheduling, and the backhaul data for the via node that the base station is sent is received by the PDSCH of the base station in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame.With reference in a first aspect, in the third possible implementation, in the intermediate node before the backhaul data that the first multimedia broadcasting Single Frequency Network MBSFN subframes receive the via node that base station is sent, methods described also includes： The secondary link for receiving the base station transmission sets up message；The secondary link, which sets up message, to be used to set up the first secondary link for carrying out information exchange between the intermediate node and the base station, and for carrying out the second secondary link of information exchange between the intermediate node and the via node；Message is set up according to the secondary link and sets up first secondary link and second secondary link.The first possible implementation with reference to first aspect, first aspect is any to the third possible implementation, in the 4th kind of possible implementation, and first scheduling for receiving via node transmission indicates message, including：The first scheduling instruction message that the via node is sent is received by the PDCCH of via node.The first possible implementation with reference to first aspect, first aspect is any to the 4th kind of possible implementation, in the 5th kind of possible implementation, before the first scheduling that the reception via node is sent indicates message, methods described also includes：Slow is sent to the via node and deposits report message, and the Slow, which deposits report message, to be used to make the via node send the first scheduling instruction message to the intermediate node.The first possible implementation with reference to first aspect, first aspect is any to the 5th kind of possible implementation, and in the 6th kind of possible implementation, the access link and the back haul link are worked by time division multiplexing TDM.The first possible implementation with reference to first aspect, first aspect is any to the 6th kind of possible implementation, and in the 7th kind of possible implementation, the carrier frequency that the access link is used is identical with the carrier frequency that the back haul link is used.The first possible implementation with reference to first aspect, first aspect is any to the 7th kind of possible implementation, and in the 8th kind of possible implementation, the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules. Second aspect there is provided it is a kind of transmit backhaul data method, including：Base station determines the first backhaul data of the via node sent to intermediate node；First backhaul data is sent to the intermediate node in the first multimedia broadcasting Single Frequency Network MBSFN subframes, the position of the first M B S F N subframes is identical with the position of one or more descending MBSFN sub-frame of the back haul link of the via node；So that the intermediate node indicates that message sends first backhaul data in the first subframe to the via node according to the first scheduling；First scheduling indicates that message is sent to the intermediate node by the via node, the ascending resource for indicating the access link of the via node used in transmission first backhaul data；The position of first subframe and the access link-positions of individual or multiple uplink subframes is identical.
With reference to second aspect, in the first possible implementation, methods described also includes：It is determined that the second backhaul data of the via node sent to the via node；To the via node second backhaul data is sent in one or more descending MBSFN subframe of the back haul link.
With reference to the first possible implementation of second aspect or second aspect, in second of possible implementation, before the first multimedia broadcasting Single Frequency Network MBSFN sub-frame sends first backhaul data to the intermediate node, methods described also includes：MBSFN sub-frame configuration message is sent to the intermediate node, the MBSFN sub-frame configuration message package contains the position of first MBSFN sub-frame, and the MBSFN sub-frame configuration message is used to make the intermediate node configure first MBSFN sub-frame.
It is described to send MBSFN sub-frame configuration message to the intermediate node in the third possible implementation with reference to second of possible implementation of second aspect, including：In the case where the load of the back haul link is more than or equal to predetermined threshold value, MBSFN sub-frame configuration message is sent to the intermediate node. With reference to second aspect, in the 4th kind of possible implementation, methods described also includes：The second scheduling is sent to the intermediate node by the physical downlink control channel PDCCH of the base station in the first MBSFN subframes and indicates message；Second scheduling indicates that message is used to indicate that the intermediate node receives first backhaul data on the Physical Downlink Shared Channel PDSCH of the base station.
The first possible implementation with reference to second aspect, second aspect is any to the 4th kind of possible implementation, in the 5th kind of possible implementation, before the first multimedia broadcasting Single Frequency Network MBSFN subframes send first backhaul data to the intermediate node, methods described also includes：Secondary link, which is sent, to the intermediate node sets up message；With cause the intermediate node according to the secondary link set up message set up between the intermediate node and the base station carry out information exchange the first secondary link, and between the intermediate node and the via node carry out information exchange the second secondary link.
The first possible implementation with reference to second aspect, second aspect is any to the 5th kind of possible implementation, in the 6th kind of possible implementation, it is described to send first backhaul data to the intermediate node in the first multimedia broadcasting Single Frequency Network MBSFN subframes, including：First backhaul data is sent to the intermediate node by the Physical Downlink Shared Channel PDSCH of the base station in the first multimedia broadcasting Single Frequency Network MBSFN subframes.
With reference to the 6th kind of possible implementation of second aspect, in the 7th kind of possible implementation, it is identical that the base station sends the resource used when the resource used during first backhaul data sends downlink data with the user equipment that the base station is serviced to the base station, wherein, the base station sends the resource used during first backhaul data and included：The PDSCH of the base station, first MBSFN sub-frame.
With reference to second aspect, second aspect the first possible implementation to the 7th kind can The implementation of energy is any, and in the 8th kind of possible implementation, the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.
The third aspect there is provided it is a kind of transmit backhaul data method, including：Via node sends the first scheduling to intermediate node and indicates message, first scheduling indicates the ascending resource of the access link of the via node used during first backhaul data of the message for indicating transmission trunking node, and indicates that message sends first backhaul data to the via node for making the intermediate node be dispatched in the first subframe according to described first；The position of first subframe is identical with the position of one or more uplink subframe of the access link；First backhaul data is sent to the intermediate node by base station in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame, and the position of first MBSFN sub-frame is identical with the position of one or more descending MBSFN subframe of the back haul link of the via node；
Receive first backhaul data that intermediate node is sent in first subframe.
With reference to the third aspect, in the first possible implementation, methods described also includes：The second backhaul data of the via node that the base station is sent is received in one or more descending MBSFN subframe of the back haul link.
With reference to the first possible implementation of the third aspect or the third aspect, in second of possible implementation, before the via node sends the first scheduling instruction message to intermediate node, methods described also includes：
The Slow for receiving the intermediate node transmission deposits report message, and the Slow, which deposits report message, to be used to make the via node send the first scheduling instruction message to the intermediate node.
The first possible implementation with reference to the third aspect, the third aspect is any to second of possible implementation, in the third possible implementation, and the via node sends the first scheduling to intermediate node and indicates message, including：
The physical downlink control channel PDCCH that the via node passes through the via node The first scheduling, which is sent, to intermediate node indicates message.
The first possible implementation with reference to the third aspect, the third aspect is any to the third possible implementation, and in the 4th kind of possible implementation, the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.Fourth aspect there is provided a kind of intermediate node, including：
First receiving unit, backhaul data for receiving the via node that base station is sent in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame, the position of the first M B S F N subframes is identical with the position of one or more descending MBSFN subframe of the back haul link of the via node；
Second receiving unit, the first scheduling for receiving via node transmission indicates message, and first scheduling indicates that message is used for the ascending resource for indicating the access link of the via node used in the transmission backhaul data；Transmitting element, for indicating that message sends the backhaul data in the first subframe to the via node according to the described first scheduling, the position of first subframe is identical with the position of one or more uplink subframe of the access link.With reference to fourth aspect, in the first possible implementation, first receiving unit is additionally operable to, and receives the MBSFN sub-frame configuration message that the base station is sent, and the MBSFN sub-frame configurations message package contains the position of first MBSFN sub-frame；The intermediate node also includes：Dispensing unit, for the first MBSFN sub-frame according to MBSFN sub-frame configuration message arrangement.With reference to fourth aspect, in second of possible implementation, first receiving unit is additionally operable to, the second scheduling instruction message that the base station is sent by the physical downlink control channel PDCCH of the base station is received in first MBSFN sub-frame, second scheduling indicates that message is used to indicate that the intermediate node receives the backhaul data by the Physical Downlink Shared Channel PDSCH of the base station； First receiving unit is specifically for indicating message according to the described second scheduling, the backhaul data for the via node that the base station is sent being received by the PDSCH of the base station in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame.With reference to fourth aspect, in the third possible implementation, first receiving unit is additionally operable to, and the secondary link for receiving the base station transmission sets up message；The secondary link, which sets up message, to be used to set up the first secondary link for carrying out information exchange between the intermediate node and the base station, and for carrying out the second secondary link of information exchange between the intermediate node and the via node；The intermediate node also includes：Unit is set up, first secondary link and second secondary link are set up for setting up message according to the secondary link.The first possible implementation with reference to fourth aspect, fourth aspect is any to the third possible implementation, in the 4th kind of possible implementation, second receiving unit is specifically for the first scheduling sent by via node described in the PDCCH reception of via node indicates message.The first possible implementation with reference to fourth aspect, fourth aspect is any to the 4th kind of possible implementation, in the 5th kind of possible implementation, the transmitting element is additionally operable to, Slow is sent to the via node and deposits report message, and the Slow, which deposits report message, to be used to make the via node send the first scheduling instruction message to the intermediate node.The first possible implementation with reference to fourth aspect, fourth aspect is any to the 5th kind of possible implementation, and in the 6th kind of possible implementation, the access link and the back haul link are worked by time division multiplexing TDM.The first possible implementation with reference to fourth aspect, fourth aspect is any to the 6th kind of possible implementation, and in the 7th kind of possible implementation, the carrier frequency that the access link is used is identical with the carrier frequency that the back haul link is used.With reference to fourth aspect, fourth aspect the first possible implementation to the 7th kind can The implementation of energy is any, and in the 8th kind of possible implementation, the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.There is provided a kind of intermediate node in terms of 5th, including：Receiver, backhaul data for receiving the via node that base station is sent in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame, the position of first MBSFN sub-frame is identical with the position of one or more descending MBSFN sub-frame of the back haul link of the via node；And the first scheduling instruction message that via node is sent is received, first scheduling indicates that message is used for the ascending resource for indicating to transmit the access link of the via node used in the backhaul data；Transmitter, for indicating that message sends the backhaul data in the first subframe to the via node according to the described first scheduling, the position of first subframe is identical with the position of one or more uplink subframe of the access link.With reference to the 5th aspect, in the first possible implementation, the receiver is additionally operable to, and receives the MBSFN sub-frame configuration message that the base station is sent, and the MBSFN sub-frame configuration message package contains the position of first MBSFN sub-frame；The intermediate node also includes：Processor, for the first MBSFN sub-frame according to MBSFN sub-frame configuration message arrangement.With reference to the 5th aspect, in second of possible implementation, the receiver is additionally operable to, the second scheduling instruction message that the base station is sent by the physical downlink control channel PDCCH of the base station is received in first MBSFN sub-frame, second scheduling indicates that message is used to indicate that the intermediate node receives the backhaul data by the Physical Downlink Shared Channel PDSCH of the base station；The receiver is specifically for indicating message according to the described second scheduling, the backhaul data for the via node that the base station is sent being received by the PDSCH of the base station in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame. With reference to the 5th aspect, in the third possible implementation, the receiver is additionally operable to, and the secondary link for receiving the base station transmission sets up message；The secondary link, which sets up message, to be used to set up the first secondary link for carrying out information exchange between the intermediate node and the base station, and for carrying out the second secondary link of information exchange between the intermediate node and the via node；The intermediate node also includes：Processor, first secondary link and second secondary link are set up for setting up message according to the secondary link.The first possible implementation with reference to the 5th aspect, the 5th aspect is any to the third possible implementation, in the 4th kind of possible implementation, the receiver is specifically for the first scheduling sent by via node described in the PDCCH reception of via node indicates message.The first possible implementation with reference to the 5th aspect, the 5th aspect is any to the 4th kind of possible implementation, in the 5th kind of possible implementation, the transmitter is additionally operable to, Slow is sent to the via node and deposits report message, and the Slow, which deposits report message, to be used to make the via node send the first scheduling instruction message to the intermediate node.The first possible implementation with reference to the 5th aspect, the 5th aspect is any to the 5th kind of possible implementation, and in the 6th kind of possible implementation, the access link and the back haul link are worked by time division multiplexing TDM.The first possible implementation with reference to the 5th aspect, the 5th aspect is any to the 6th kind of possible implementation, and in the 7th kind of possible implementation, the carrier frequency that the access link is used is identical with the carrier frequency that the back haul link is used.The first possible implementation with reference to the 5th aspect, the 5th aspect is any to the 7th kind of possible implementation, and in the 8th kind of possible implementation, the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.There is provided a kind of base station in terms of 6th, including: Determining unit, for the first backhaul data of the via node for determining to send to intermediate node；
Transmitting element, for sending first backhaul data to the intermediate node in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame, the position of first MBSFN sub-frame is identical with the position of one or more descending MBSFN subframe of the back haul link of the via node；So that the intermediate node indicates that message sends first backhaul data in the first subframe to the via node according to the first scheduling；First scheduling indicates that message is sent to the intermediate node by the via node, the ascending resource for indicating the access link of the via node used in transmission first backhaul data；The position of first subframe is identical with the position of one or more uplink subframe of the access link.With reference to the 6th aspect, in the first possible implementation, the determining unit is additionally operable to, it is determined that the second backhaul data of the via node sent to the via node；The transmitting element is additionally operable to, and to the via node second backhaul data is sent in one or more descending MBSFN sub-frame of the back haul link.With reference to the 6th aspect or the first possible implementation of the 6th aspect, in second of possible implementation, the transmitting element is additionally operable to, MBSFN sub-frame configuration message is sent to the intermediate node, the MBSFN sub-frame configurations message package contains the position of first MBSFN sub-frame, and the MBSFN sub-frame configuration message is used to make the intermediate node configure first MBSFN sub-frame.
With reference to second of possible implementation of the 6th aspect, in the third possible implementation, the transmitting element is specifically in the case where the load of the back haul link is more than or equal to predetermined threshold value, MBSFN sub-frame configuration message is sent to the intermediate node.
With reference to the 6th aspect, in the 4th kind of possible implementation, the transmitting element is additionally operable to, the Physical Downlink Control Channel for passing through the base station in the first MBSFN subframes PDCCH sends the second scheduling to the intermediate node and indicates message；Second scheduling indicates that message is used to indicate that the intermediate node receives first backhaul data on the Physical Downlink Shared Channel PDSCH of the base station.The first possible implementation with reference to the 6th aspect, the 6th aspect is any to the 4th kind of possible implementation, and in the 5th kind of possible implementation, the transmitting element is additionally operable to, and sending secondary link to the intermediate node sets up message；With cause the intermediate node according to the secondary link set up message set up between the intermediate node and the base station carry out information exchange the first secondary link, and between the intermediate node and the via node carry out information exchange the second secondary link.The first possible implementation with reference to the 6th aspect, the 6th aspect is any to the 5th kind of possible implementation, in the 6th kind of possible implementation, the transmitting element to the intermediate node by the Physical Downlink Shared Channel PDSCH of the base station in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame specifically for sending first backhaul data.With reference to the 6th kind of possible implementation of the 6th aspect, in the 7th kind of possible implementation, it is identical that the transmitting element sends the resource used when the resource used during first backhaul data sends downlink data with the user equipment that the base station is serviced to the base station, wherein, the transmitting element sends the resource used during first backhaul data and included：The PDSCH of the base station, first MBSFN sub-frame.The first possible implementation with reference to the 6th aspect, the 6th aspect is any to the 7th kind of possible implementation, and in the 8th kind of possible implementation, the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.There is provided a kind of base station in terms of 7th, including：
Processor, for the first backhaul data of the via node for determining to send to intermediate node；Transmitter, for sending first backhaul data to the intermediate node in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame, the position of first MBSFN sub-frame with it is described The position of one or more descending MBSFN sub-frame of the back haul link of via node is identical；So that the intermediate node indicates that message sends first backhaul data in the first subframe to the via node according to the first scheduling；First scheduling indicates that message is sent to the intermediate node by the via node, the ascending resource for indicating the access link of the via node used in transmission first backhaul data；The position of first subframe is identical with the position of one or more uplink subframe of the access link.With reference to the 7th aspect, in the first possible implementation, the processor is additionally operable to, it is determined that the second backhaul data of the via node sent to the via node；The transmitter is additionally operable to, and to the via node second backhaul data is sent in one or more descending MBSFN sub-frame of the back haul link.With reference to the 7th aspect or the first possible implementation of the 7th aspect, in second of possible implementation, the transmitter is additionally operable to, MBSFN sub-frame configuration message is sent to the intermediate node, the MBSFN sub-frame configurations message package contains the position of first MBSFN sub-frame, and the MBSFN sub-frame configuration message is used to make the intermediate node configure first MBSFN sub-frame.With reference to second of possible implementation of the 7th aspect, in the third possible implementation, the transmitter is specifically in the case where the load of the back haul link is more than or equal to predetermined threshold value, MBSFN sub-frame configuration message is sent to the intermediate node.With reference to the 7th aspect, in the 4th kind of possible implementation, the transmitter is additionally operable to, and sending the second scheduling to the intermediate node by the physical downlink control channel PDCCH of the base station in the first MBSFN subframes indicates message；Second scheduling indicates that message is used to indicate that the intermediate node receives first backhaul data on the Physical Downlink Shared Channel PDSCH of the base station.The first possible implementation with reference to the 7th aspect, the 7th aspect is any to the 4th kind of possible implementation, and in the 5th kind of possible implementation, the transmitter is also For sending secondary link to the intermediate node and setting up message；With cause the intermediate node according to the secondary link set up message set up between the intermediate node and the base station carry out information exchange the first secondary link, and between the intermediate node and the via node carry out information exchange the second secondary link.The first possible implementation with reference to the 7th aspect, the 7th aspect is any to the 5th kind of possible implementation, in the 6th kind of possible implementation, the transmitter to the intermediate node by the Physical Downlink Shared Channel PDSCH of the base station in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame specifically for sending first backhaul data.With reference to the 6th kind of possible implementation of the 7th aspect, in the 7th kind of possible implementation, it is identical that the transmitter sends the resource used when the resource used during first backhaul data sends downlink data with the user equipment that the base station is serviced to the base station, wherein, the transmitter sends the resource used during first backhaul data and included：The PDSCH of the base station, first MBSFN sub-frame.The first possible implementation with reference to the 7th aspect, the 7th aspect is any to the 7th kind of possible implementation, and in the 8th kind of possible implementation, the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.Eighth aspect there is provided a kind of via node, including：Transmitting element, message is indicated for sending the first scheduling to intermediate node, first scheduling indicates the ascending resource of the access link of the via node used during first backhaul data of the message for indicating transmission trunking node, and indicates that message sends first backhaul data to the via node for making the intermediate node be dispatched in the first subframe according to described first；The position of first subframe is identical with the position of one or more uplink subframe of the access link；First backhaul data is sent to the intermediate node by base station in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame, and the position of first MBSFN sub-frame is identical with the position of one or more descending MBSFN subframe of the back haul link of the via node； Receiving unit, for receiving first backhaul data that intermediate node is sent in first subframe.
With reference to eighth aspect, in the first possible implementation, the receiving unit is additionally operable to, and the second backhaul data of the via node that the base station is sent is received in one or more descending MBSFN sub-frame of the back haul link.With reference to the first possible implementation of eighth aspect or eighth aspect, in second of possible implementation, the receiving unit is additionally operable to, the Slow for receiving the intermediate node transmission deposits report message, and the Slow, which deposits report message, to be used to make the via node send the first scheduling instruction message to the intermediate node.The first possible implementation with reference to eighth aspect, eighth aspect is any to second of possible implementation, in the third possible implementation, the transmitting element is specifically for sending the first scheduling to intermediate node by the physical downlink control channel PDCCH of the via node and indicating message.
The first possible implementation with reference to eighth aspect, eighth aspect is any to the third possible implementation, and in the 4th kind of possible implementation, the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.There is provided a kind of via node in terms of 9th, including：Transmitter, message is indicated for sending the first scheduling to intermediate node, first scheduling indicates the ascending resource of the access link of the via node used during first backhaul data of the message for indicating transmission trunking node, and indicates that message sends first backhaul data to the via node for making the intermediate node be dispatched in the first subframe according to described first；The position of first subframe is identical with the position of one or more uplink subframe of the access link；First backhaul data is sent to the intermediate node, the position of first MBSFN sub-frame and one or more descending MBSFN subframe of the back haul link of the via node by base station in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame Position is identical；
Receiver, for receiving first backhaul data that intermediate node is sent in first subframe.With reference to the 9th aspect, in the first possible implementation, the receiver is additionally operable to, and the second backhaul data of the via node that the base station is sent is received in one or more descending MBSFN sub-frame of the back haul link.With reference to the 9th aspect or the first possible implementation of the 9th aspect, in second of possible implementation, the receiver is additionally operable to, the Slow for receiving the intermediate node transmission deposits report message, and the Slow, which deposits report message, to be used to make the via node send the first scheduling instruction message to the intermediate node.The first possible implementation with reference to the 9th aspect, the 9th aspect is any to second of possible implementation, in the third possible implementation, the transmitter is specifically for sending the first scheduling to intermediate node by the physical downlink control channel PDCCH of the via node and indicating message.The first possible implementation with reference to the 9th aspect, the 9th aspect is any to the third possible implementation, and in the 4th kind of possible implementation, the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.There is provided a kind of system for transmitting backhaul data in terms of tenth, including：Any intermediate node that fourth, fifth aspect is provided as described above, and/or any base station that above-mentioned six, the seven aspect is provided, and/or any via node that the eight, the nine aspects are provided as described above.The methods, devices and systems of transmission backhaul data provided in an embodiment of the present invention, intermediate node is receiving the backhaul data for the via node that base station is sent with the MBSFN sub-frame of position identical first of one or more descending MBSFN subframe of the back haul link of via node, and the first scheduling sent according to via node indicates message, and to via node the backhaul data is sent in the subframe of position identical first of the uplink subframe of access link.This programme leads to Cross increases intermediate node in systems, and the uplink sub-frame transmission realized in access link is (descending）Backhaul data, that is to say, that the descending MBSFN subframes and the uplink sub-frame transmission of access link in the back haul link of via node can be realized using this programme on the basis of existing technology（It is descending）Backhaul data, so as to lift backhaul capacity, and then improves systematic function.Brief description of the drawings is in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, the required accompanying drawing used in embodiment or description of the prior art will be briefly described below, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic diagram of system architecture of the prior art；
Fig. 2 is a kind of wireless relay relay structural representation of the prior art；Fig. 3 is a kind of schematic diagram of system architecture provided in an embodiment of the present invention；Fig. 4 is a kind of schematic flow sheet of the method for transmission backhaul data that the embodiment of the present invention one is provided；
Fig. 5 is a kind of schematic flow sheet of the method for transmission backhaul data that the embodiment of the present invention two is provided；
Fig. 6 is a kind of schematic flow sheet of the method for transmission backhaul data that the embodiment of the present invention three is provided；
Fig. 7 is a kind of schematic flow sheet of the method for transmission backhaul data that the embodiment of the present invention four is provided；
Fig. 8 is the schematic diagram of a scenario that a kind of base station that the embodiment of the present invention four is provided uses each channel； Fig. 9 is a kind of structural representation for intermediate node that the embodiment of the present invention five is provided；Figure 10 is the structural representation for another intermediate node that the embodiment of the present invention five is provided；Fig. 11 is a kind of structural representation for intermediate node that the embodiment of the present invention six is provided；Figure 12 is a kind of structural representation for base station that the embodiment of the present invention seven is provided；Figure 13 is a kind of structural representation for base station that the embodiment of the present invention eight is provided；Figure 14 is a kind of structural representation for via node that the embodiment of the present invention nine is provided；Figure 15 is a kind of structural representation for via node that the embodiment of the present invention ten is provided.Embodiment is below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.The system architecture of technology provided in an embodiment of the present invention, as shown in Fig. 3, including：Base station, via node, intermediate node and UE (grand UE and R-UE).Wherein, the link between intermediate node and base station is referred to as the first secondary link, and the link between intermediate node and via node is referred to as the second secondary link." via node " can be above-mentioned wireless relay relay, generally in-band relay.During " intermediate node " is the technology that provides of the present invention, in order to lift backhaul capacity, an increased intermediate equipment in back haul link, it is the backhaul data that via node is sent for depositing base station in the specified descending MBSFN sub-frame Slow of back haul link, and to via node the backhaul data is sent in the uplink subframe of access link.Optionally, " intermediate node " can be UE or relaying with UE modules with relay function；It supports dual link ability, you can be connected on two different network nodes simultaneously. It should be noted that provided herein is technical scheme in, due to making backhaul transport using MBSFN sub-frame, therefore, it can " the downlink transfer subframe of back haul link " being referred to as " the descending MBSFN sub-frame of back haul link ".The terms " system " and " network " are often used interchangeably herein.The terms " and/or ", only a kind of incidence relation for describing affiliated partner, represents there may be three kinds of relations, for example, A and/or B, can be represented：Individualism A, while there is A and B, these three situations of individualism B.In addition, character "/" herein ,-as represent forward-backward correlation object be it is a kind of " or " relation.
The present embodiment of embodiment one is illustrated from the angle of intermediate node side to the method for transmission backhaul data provided in an embodiment of the present invention, as shown in figure 4, including：
401 :Intermediate node receives the backhaul data for the via node that base station is sent in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame, and the position of first MBSFN sub-frame is identical with the position of one or more descending MBSFN sub-frame of the back haul link of the via node.Exemplary, " backhaul data of via node " in the embodiment of the present invention can be that base station is the part backhaul data that via node is sent, and be specifically as follows part backhaul data that base station sends for via node, not high to delay requirement.
" position of MBSFN sub-frame " refers to position of the MBSFN sub-frame in radio frames." position of the first MBSFN subframes is identical with the position of one or more descending MBSFN sub-frame of the back haul link of via node ", for example, in a tdd system, base station using the #4 and #9 in a radio frames as the back haul link of via node descending MBSFN sub-frame, therefore, the first MBSFN sub-frame can be the #4 and/or #9 in a radio frames.And for example, in FDD (Frequency Division Duplexing, FDD）In system, in downlink, base station using #2, #3, #6 in some radio frames as via node backhaul The descending MBSFN sub-frame of link, therefore, the first MBSFN sub-frame can be the # 2 and/or #3 and/or #6 in a radio frames.In one embodiment of the invention, before step 401, it is the process that intermediate node configures the first MBSFN sub-frame that this method, which can also include base station, can specifically be realized by following steps：The MBSFN sub-frame configuration message that the base station is sent is received, the MBSFN sub-frame configurations message package contains the position of first MBSFN sub-frame；The first MBSFN sub-frame according to the MBSFN sub-frame configurations message arrangement.Optionally, before step 401, this method can also include：The second scheduling instruction message that the base station is sent by the physical downlink control channel PDCCH of the base station is received in the first MBSFN subframes, second scheduling indicates that message is used to indicate that the intermediate node receives the backhaul data by the Physical Downlink Shared Channel PDSCH of the base station；In this case, step 401 can specifically include：Intermediate node indicates message according to the described second scheduling, and the backhaul data that the base station is sent is received by the PDSCH of the base station in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame.
402 :The first scheduling instruction message that via node is sent is received, first scheduling indicates that message is used for the ascending resource for indicating to transmit the access link of the via node used in the backhaul data.Exemplary, step 402 specifically can be implemented as：The first scheduling instruction message that the via node is sent is received by the PDCCH of via node.In one embodiment of the invention, before step 402, this method can also include：Slow is sent to the via node and deposits report message, and the Slow, which deposits report message, to be used to make the via node send the first scheduling instruction message to the intermediate node.Exemplary, the step specifically can be implemented as：In the uplink subframe of the access link, send the Slow to the base station and deposit report message.
403 :Indicate that message is sent out in the first subframe to the via node according to the described first scheduling The backhaul data is sent, the position of first subframe is identical with the position of one or more uplink subframe of the access link.Exemplary, " position of first subframe is identical with the position of one or more uplink subframe of the access link ", for example, in TDD systems, via node using #2, #7, #8 in some radio frames as the access link of via node uplink subframe, for transmission trunking node access link it is up（Access）Data；Correspondingly, the first subframe can be the #2 and/or #7 and/or #8 in a radio frames.And for example, in FDD (Frequency Division Duplexing, FDD）In system, base station using #0, # 1, #3, #4, #5 in some radio frames as the access link of via node uplink subframe；Correspondingly, the first subframe can be the #0 and/or # 1 and/or #3 and/or #4 and/or #5 in a radio frames.Optionally, the access link and the back haul link are worked by time division multiplexing TDM.Optionally, the carrier frequency that the access link is used is identical with the carrier frequency that the back haul link is used.
In one embodiment of the invention, before step 401, this method can also include the process for setting up secondary link, can specifically be realized by following steps：The secondary link for receiving the base station transmission sets up message；The secondary link, which sets up message, to be used to set up the first secondary link for carrying out information exchange between the intermediate node and the base station, and for carrying out the second secondary link of information exchange between the intermediate node and the via node；Message is set up according to the secondary link to set up for first secondary link and second secondary link.Exemplary, secondary link, which sets up message, can include radio resource control RRC (Radio Resource Control, radio resource control）Configuration information etc..In this case, step 401 is specifically included：Intermediate node receives the relaying that base station is sent based on first secondary link in the first multimedia broadcasting Single Frequency Network MB SFN subframes The backhaul data of node.Step 402 is specifically included：The first scheduling instruction message that via node is sent is received based on second secondary link.Step 403 is specifically included：Indicate that message sends the backhaul data in the first subframe to the via node according to the described first scheduling based on second secondary link.
MBSFN sub-frame, which configures message and sets up message from secondary link, to be different message, can also be combined as same message.It should be noted that when implementing, the method for transmission backhaul data provided in an embodiment of the present invention typically with transmitting in the prior art（It is descending）The method of backhaul data is used together, so as to lift descending backhaul capacity.The method of transmission backhaul data provided in an embodiment of the present invention, intermediate node is receiving the backhaul data for the via node that base station is sent with the M B S F N subframes of position identical the first of one or more descending MBSFN subframe of the back haul link of via node, and the first scheduling sent according to via node indicates message, and to via node the backhaul data is sent in the subframe of position identical first of the uplink subframe of access link.This programme realizes the uplink sub-frame transmission in access link by increasing intermediate node in systems（It is descending）Backhaul data, that is to say, that the descending MBSFN subframes and the uplink sub-frame transmission of access link in the back haul link of via node can be realized using this programme on the basis of existing technology（It is descending）Backhaul data, so as to lift backhaul capacity, and then improves systematic function.
The present embodiment of embodiment two is illustrated from the angle of base station side to the method for transmission backhaul data provided in an embodiment of the present invention, as shown in figure 5, including：
501 :Base station determines the first backhaul data of the via node sent to intermediate node.Exemplary, " the first backhaul data " described in the present embodiment can be " backhaul data " described in the step 101-103 in embodiment one.Related content in the present embodiment Explanation and example may be referred to embodiment-and following specific embodiments.When implementing, before step 501, this method can also include：The backhaul data of via node of the base station to being sent to via node carries out time-delay analysis, it is determined that the data not high to delay requirement, these are regard as the first backhaul data of the via node forwarded by intermediate node, and first backhaul data sent to intermediate node to the not high data of delay requirement.Wherein, the embodiment of the present invention is to specific analysis method, and " not high to delay requirement " specific decision condition without limiting.It is, of course, also possible to be determined " the first backhaul data of the via node sent to intermediate node " by other standards, the embodiment of the present invention is to this without limiting.
502 :First backhaul data is sent to the intermediate node in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame, the position of first MBSFN sub-frame is identical with the position of one or more descending MBSFN sub-frame of the back haul link of the via node；So that the intermediate node indicates that message sends first backhaul data in the first subframe to the via node according to the first scheduling；First scheduling indicates that message is sent to the intermediate node by the via node, the ascending resource for indicating the access link of the via node used in transmission first backhaul data；The position of first subframe is identical with the position of one or more uplink subframe of the access link.Exemplary, step 502 specifically can be implemented as：First backhaul data is sent to the intermediate node by the Physical Downlink Shared Channel PDSCH of the base station in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame.In one embodiment of the invention, before step 502, this method can also include：MBSFN sub-frame configuration message is sent to the intermediate node, the MBSFN sub-frame configuration message package contains the position of first MBSFN sub-frame, and the MBSFN sub-frame configuration message is used to make the intermediate node configure first MBSFN sub-frame.Exemplary, base station can send MBSFN sub-frame configuration message in the case where the load of the back haul link of via node is more than or equal to predetermined threshold value to the intermediate node. It is, of course, also possible to which under other trigger conditions, MBSFN sub-frame configuration message is sent to the intermediate node.
Optionally, the resource used when sending downlink data when the resource used and the user equipment that the base station is serviced to the base station when base station sends first backhaul data is identical, wherein, the base station, which sends the resource used during first backhaul data, includes the PDSCH of the base station, first MBSFN sub-frame.Exemplary, the user equipment of base station service refers to the user equipment of base station covering, i.e., above-described grand UE.In addition, " resource " here generally refers to running time-frequency resource.Optionally, this method can also include：The second scheduling is sent to the intermediate node by the physical downlink control channel PDCCH of the base station in first MBSFN sub-frame and indicates message；Second scheduling indicates that message is used to indicate that the intermediate node receives first backhaul data on the Physical Downlink Shared Channel PDSCH of the base station.In one embodiment of the invention, before step 501, this method can also include the process for setting up secondary link, can specifically be realized by following steps：Secondary link, which is sent, to the intermediate node sets up message；With cause the intermediate node according to the secondary link set up message set up between the intermediate node and the base station carry out information exchange the first secondary link, and between the intermediate node and the via node carry out information exchange the second secondary link.Wherein, the secondary link, which sets up message, can include radio resource control RRC configuration information etc..Exemplary, in this case, step 502 is specifically included：First backhaul data is sent to the intermediate node in the first multimedia broadcasting Single Frequency Network MBSFN subframes based on second secondary link.
It should be noted that when implementing, the method for transmission backhaul data provided in an embodiment of the present invention is typically directly transmitted with base station in the prior art to via node（It is descending）The method of backhaul data is used together, so as to lift descending backhaul capacity.In this case, this method can also include：Base station determines the second of the via node sent to the via node Backhaul data；To the via node second backhaul data is sent in one or more descending MBSFN subframe of the back haul link.
Optionally, the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.
Optionally, the access link and the back haul link are worked by time division multiplexing TDM.
Optionally, the carrier frequency that the access link is used is identical with the carrier frequency that the back haul link is used.The method of transmission backhaul data provided in an embodiment of the present invention, base station is sending the first backhaul data of via node with the MBSFN sub-frame of position identical first of one or more descending MBSFN subframe of the back haul link of via node to intermediate node, so that intermediate node indicates that position identical first subframe of the message in the uplink subframe of access link sends the first backhaul data to via node according to the first scheduling.This programme realizes the uplink sub-frame transmission in access link by increasing intermediate node in systems（It is descending）Backhaul data, that is to say, that the descending MBSFN sub-frame and the uplink sub-frame transmission of access link in back haul link can be realized using this programme on the basis of existing technology（It is descending）Backhaul data, so as to lift backhaul capacity, and then improves systematic function.
Embodiment three
The present embodiment is illustrated from the angle of via node side to the method for transmission backhaul data provided in an embodiment of the present invention, as shown in fig. 6, including：
601 :Via node sends the first scheduling to intermediate node and indicates message, first scheduling indicates the ascending resource of the access link of the via node used during first backhaul data of the message for indicating transmission trunking node, and indicates that message sends the first backhaul number to the via node for making the intermediate node be dispatched in the first subframe according to described first According to；The position of first subframe is identical with the position of one or more uplink subframe of the access link；First backhaul data is sent to the intermediate node by base station in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame, and the position of first MBSFN sub-frame is identical with the position of one or more descending MBSFN subframe of the back haul link of the via node.
Exemplary, " the first backhaul data " described in the present embodiment can be " backhaul data " described in the step 101-103 in embodiment one；" the first backhaul data " described in embodiment two.The interpretation of related content in the present embodiment and example may be referred to embodiment one and following specific embodiments.
Optionally, step 601 can specifically include：The via node sends the first scheduling to intermediate node by the physical downlink control channel PDCCH of the via node and indicates message.In one embodiment of the invention, before step 601, this method can also include：The Slow for receiving the intermediate node transmission deposits report message, and the Slow, which deposits report message, to be used to make the via node send the first scheduling instruction message to the intermediate node.
602 :Receive first backhaul data that intermediate node is sent in first subframe.Optionally, the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.Optionally, the access link and the back haul link are worked by time division multiplexing TDM.
Optionally, the carrier frequency that the access link is used is identical with the carrier frequency that the back haul link is used.
It should be noted that when implementing, the method for transmission backhaul data provided in an embodiment of the present invention is typically directly transmitted with base station in the prior art to via node（It is descending）The method of backhaul data is used together, so as to lift descending backhaul capacity.In this case, this method It can also include：The second backhaul data of the via node that the base station is sent is received in one or more descending MBSFN subframe of the back haul link.The method of transmission backhaul data provided in an embodiment of the present invention, via node sends the first scheduling to intermediate node and indicates message, to cause intermediate node to indicate that message sends the first backhaul data of via node to via node according to the first scheduling in the subframe of position identical first of one or more uplink subframe of access link；Wherein, position identical first MBSFN sub-frame of first backhaul data by base station in one or more descending MBSFN subframe with the back haul link of via node is sent to intermediate node.This programme realizes the uplink sub-frame transmission in access link by increasing intermediate node in systems（It is descending）Backhaul data, that is to say, that the descending MBSFN sub-frame and the uplink sub-frame transmission of access link in back haul link can be realized using this programme on the basis of existing technology（It is descending）Backhaul data, so as to lift backhaul capacity, and then improves systematic function.
" U-PDCCH " and " R-PDCCH " in example IV the present embodiment is the PDCCH of base station, wherein, " U-PDCCH " represents the PDCCH used during the grand UE of base station scheduling, and " R-PDCCH " represents the PDCCH used during base station scheduling via node;" U-PDSCH " and " R-PDSCH " represent the PDSCH of base station, wherein, " U-PDSCH " represents the PDSCH used during the grand UE of base station scheduling, and " R-PDSCH " represents the PDSCH used during base station scheduling via node.
In addition, " the first backhaul data " described in the present embodiment represents the backhaul data that base station is forwarded by intermediate node to via node, it is specifically as follows in embodiment one " backhaul data " described in step 101-103, " the first backhaul data " described in embodiment two and embodiment three；" the second backhaul data " described in the present embodiment represents the backhaul data that base station is directly sent to via node, is specifically as follows " the second backhaul data " described in embodiment two and embodiment three. As shown in fig. 7, the method for the transmission backhaul data that the present embodiment is provided, including：
701 :Base station judges whether the load of the back haul link of via node is more than or equal to predetermined threshold value.If so, then performing step 702;If it is not, then performing step 712.Exemplary, used technical indicator, the mode of acquiring technology index when the present embodiment is to " base station judges whether the load of the back haul link of via node is more than or equal to predetermined threshold value ", and the value of predetermined threshold value is without limiting, it is possible to use method and experience are realized in the prior art.If the judged result of step 701 is " being ", illustrate：The load excessive of the back haul link of via node, base station is what via node was transmitted（It is descending）Backhaul data（The first backhaul data and the second backhaul data can be included）It is excessive.The situation is easily caused the problem of backhaul capacity is limited, therefore, in order to reduce or avoid the limited probability occurred of backhaul capacity, the method that method (step 702-710) provided in an embodiment of the present invention and prior art (step 71 1-7 12) can be combined（It is descending）Transmit backhaul data.If the judged result of step 701 is " no ", illustrate：The load of the back haul link of via node is less.Usually, in this case, base station is what via node was transmitted（It is descending）Backhaul data will not cause the problem of backhaul capacity is limited in the range of backhaul capacity, therefore, it is possible to use prior art（Step 71 1-712) transmission backhaul data method transmission it is (descending）Backhaul data.
702 :Base station sends secondary link to intermediate node and sets up message.Exemplary, secondary link, which sets up message, includes the first secondary link in establishment step 703 and the RRC configuration information required for the second secondary link.
703 :Intermediate node according to secondary link set up message set up between intermediate node and base station carry out information exchange the first secondary link, and between intermediate node and via node carry out information exchange the second secondary link. It should be noted that, the present embodiment is compactly described in order to clear, do not mention " the first secondary link " and " the second secondary link " in following each steps, but, in following each steps, intermediate node and the information interactive process of base station are based on the first secondary link, and the information interactive process of intermediate node and via node is based on the second secondary link.
704 :Base station sends MBSFN sub-frame configuration message to intermediate node, MBSFN sub-frame configuration message package contains the position of the first MBSFN sub-frame, and the position of the first MBSFN sub-frame is identical with the position of one or more descending MBSFN sub-frame of the back haul link of via node.Exemplary, MBSFN sub-frame configuration message can also include intermediate node and RRC configuration information required in base station, intermediate node and via node progress communication process.
705 :Intermediate node is according to the MBSFN sub-frame of sub-frame configuration message arrangement first.Specifically, intermediate node configures MBSFN sub-frame the position of the instruction MBSFN sub-frame in message as the position for receiving the first backhaul data, and in the U-PDCCH of monitoring of corresponding moment base station.Optionally, " secondary link sets up message " in step 702 can be combined into a message transmission with " MBSFN sub-frame configures message " in step 704, in this case, step 702 and step 704 can be performed simultaneously, and the execution sequence of step 703 and step 705 can be：Perform simultaneously, either first carry out step 703 and perform step 705 again or first carry out step 705 and perform step 703 again.
706 :Base station sends the second scheduling to intermediate node by U-PDCCH in the first MBSFN sub-frame and indicates message, and the second scheduling indicates that message is used to indicate that intermediate node receives the first backhaul data on U-PDSCH.Exemplary, the second scheduling indicates message package is distributed containing base station by the intermediate node, information such as the position of used resource block and the Modulation and Coding Scheme that uses during reception backhaul data on U-PDSCH.
707 :Base station is sent in the first MBSFN sub-frame by U-PDSCH to intermediate node First backhaul data.Correspondingly, intermediate node receives the first backhaul data according to the second scheduling message by U-PDSCH.
708 :Intermediate node stores the first backhaul data.
709 :Intermediate node sends Slow to via node and deposits report message, Slow deposit report message be used for ask dispatch the resource that is used during backhaul data.
Exemplary, " Slow deposits report message " can include backhaul data to be scheduled（That is the first backhaul data）Shared Slow deposits the size in space, used channel（Group）Numbering etc.." Slow deposits report message " can be the message newly defined；In LTE systems, " Slow deposits report message " can also (Buffer Status Report, Slow rush state report for BSR of the prior art）Message.
710 :Via node deposits report message by the PDCCH of via node to intermediate node transmission the first scheduling instruction message according to Slow, and the first scheduling indicates that message package contains resource used in scheduling backhaul data.Exemplary, " the first scheduling indicates message " can be the message newly defined；In LTE systems, when " Slow deposits report message " in step 709 is BSR message, " the first scheduling indicates message " in the step 710 is specially UL grant (Uplink grant, uplink authorization）Message.It should be noted that when " the first scheduling indicates message " is UL grant, the subframe that the subframe and via node that via node sends UL grant to intermediate node send UL grant to its R-UE under covering is identical.Optionally, step 709-710 can be replaced with following steps：Via node directly sends the first scheduling to intermediate node and indicates message.In this case, intermediate node can any subframe trunk monitoring node PDCCH, with obtain the first scheduling indicate message.
71 1 :Intermediate node indicates that message sends the first backhaul data in the first subframe to via node according to the first scheduling, and the position of the first subframe is identical with the position of the uplink subframe of the access link of via node. Exemplary, when " the first scheduling indicates message " in step 710 is UL grant, " the first subframe " in the step 71 1 is specially：Intermediate node receives the 4th subframe after UL grant.When " the first scheduling indicates message " in step 710 is the message newly defined, " the first subframe " in the step 71 1 is specially：It disclosure satisfy that the position identical subframe with one or more uplink subframe of the access link of via node.
712 :Base station is dispatched to via node transmission the 3rd by R-PDCCH in the descending MBSFN subframes of the back haul link of via node and indicates message, and the 3rd scheduling indicates that message package via node containing instruction receives the information for the second backhaul data that base station is sent on R-PDSCH.
713：Base station the back haul link of via node descending MBSFN subframes by R-PDSCH to via node send the second backhaul data.Perform after step 713, then terminate.It is the schematic diagram of a scenario that base station uses each channel in this method as shown in Fig. 8, wherein transverse axis represents the time, and the longitudinal axis represents frequency.The method of transmission backhaul data provided in an embodiment of the present invention, when the load of the back haul link of via node is less than predetermined threshold value, base station by R-PDSCH directly transmits the second backhaul data in the descending MBSFN sub-frame of the back haul link of via node to via node；When the load of the back haul link of via node is more than or equal to predetermined threshold value, base station is sending the first backhaul data with the MBSFN sub-frame of position identical first of the descending MBSFN sub-frame of the back haul link of via node to intermediate node, so that intermediate node to via node sends first backhaul data in the subframe of position identical first of the uplink subframe of access link；And the descending MBSFN sub-frame of the back haul link in via node by R-PDSCH directly transmits the second backhaul data to via node.This programme is in the case where the load of the back haul link of via node is more than or equal to predetermined threshold value, by increasing intermediate node in systems, realizes the descending of the uplink subframe in access link and the back haul link in via node MBSFN sub-frame is transmitted（It is descending）Backhaul data, so as to improve backhaul capacity, and then improves systematic function.
Embodiment five
It is a kind of intermediate node 9 provided in an embodiment of the present invention as shown in Fig. 9, the method to perform the transmission backhaul data shown in Fig. 4, the intermediate node 9 includes：
First receiving unit 91, backhaul data for receiving the via node that base station is sent in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame, the position of the first MBSFN subframes is identical with the position of one or more descending MBSFN subframe of the back haul link of the via node；
Second receiving unit 92, the first scheduling for receiving via node transmission indicates message, and first scheduling indicates that message is used for the ascending resource for indicating the access link of the via node used in the transmission backhaul data；
Transmitting element 93, for indicating that message sends the backhaul data in the first subframe to the via node according to the described first scheduling, the position of first subframe is identical with the position of one or more uplink subframe of the access link.
Optionally, first receiving unit 91 is additionally operable to, and receives the MBSFN sub-frame configuration message that the base station is sent, and the MBSFN sub-frame configurations message package contains the position of first MBSFN sub-frame；
As shown in Figure 10, the intermediate node 9 also includes：Dispensing unit 94, for the first MBSFN sub-frame according to MBSFN sub-frame configuration message arrangement.
Optionally, first receiving unit 91 is additionally operable to, the second scheduling instruction message that the base station is sent by the physical downlink control channel PDCCH of the base station is received in first MBSFN sub-frame, second scheduling indicates that message is used to indicate that the intermediate node 9 receives the backhaul data by the Physical Downlink Shared Channel PDSCH of the base station；First receiving unit 91 is specifically for indicating message according to the described second scheduling, being connect in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame by the PDSCH of the base station Receive the backhaul data for the via node that the base station is sent.
Optionally, first receiving unit 91 is additionally operable to, and the secondary link for receiving the base station transmission sets up message；The secondary link, which sets up message, to be used to set up the first secondary link for carrying out information exchange between the intermediate node 9 and the base station, and for carrying out the second secondary link of information exchange between the intermediate node 9 and the via node；
As shown in Figure 10, the intermediate node 9 also includes：Unit 95 is set up, first secondary link and second secondary link are set up for setting up message according to the secondary link.
Optionally, second receiving unit 92 is specifically for the first scheduling sent by via node described in the PDCCH reception of via node indicates message.
Optionally, the transmitting element 93 is additionally operable to, and sending Slow to the via node deposits report message, and the Slow, which deposits report message, to be used to make the via node send the first scheduling instruction message to the intermediate node 9.
Optionally, the access link and the back haul link are worked by time division multiplexing TDM.
Optionally, the carrier frequency that the access link is used is identical with the carrier frequency that the back haul link is used.
Optionally, the intermediate node 9 includes：User equipment (UE) with relay function, or the relaying with UE modules.Intermediate node provided in an embodiment of the present invention, the backhaul data for the via node that base station is sent is being received with the MBSFN sub-frame of position identical first of one or more descending MBSFN sub-frame of the back haul link of via node, and the first scheduling sent according to via node indicates message, and to via node the backhaul data is sent in the subframe of position identical first of the uplink subframe of access link.This programme realizes the uplink sub-frame transmission in access link by increasing intermediate node in systems（It is descending）Backhaul data, that is to say, that the descending MBSFN sub-frame and the uplink sub-frame transmission of access link in the back haul link of via node can be realized using this programme on the basis of existing technology（It is descending）Backhaul data, So as to lift backhaul capacity, and then improve systematic function.Embodiment six
As shown in figure 11, it is a kind of intermediate node 9 provided in an embodiment of the present invention, the method to perform the transmission backhaul data shown in Fig. 4, the intermediate node 9 includes：
Receiver 11A, backhaul data for receiving the via node that base station is sent in the first multimedia broadcasting Single Frequency Network MBSFN subframes, the position of the first MBSFN subframes is identical with the position of one or more descending MBSFN subframe of the back haul link of the via node；And the first scheduling instruction message that via node is sent is received, first scheduling indicates that message is used for the ascending resource for indicating to transmit the access link of the via node used in the backhaul data；
Transmitter 11B, for indicating that message sends the backhaul data in the first subframe to the via node according to the described first scheduling, the position of first subframe is identical with the position of one or more uplink subframe of the access link.
Optionally, the receiver 11A is additionally operable to, and receives the MBSFN sub-frame configuration message that the base station is sent, and the MBSFN sub-frame configuration message package contains the position of first MBSFN sub-frame；
The intermediate node also includes：Processor 11C, for the first MBSFN sub-frame according to the MBSFN sub-frame configurations message arrangement.
Optionally, the receiver 11A is additionally operable to, the second scheduling instruction message that the base station is sent by the physical downlink control channel PDCCH of the base station is received in first MBSFN sub-frame, second scheduling indicates that message is used to indicate that the intermediate node receives the backhaul data by the Physical Downlink Shared Channel PDSCH of the base station；
The receiver 11A is specifically for indicating message according to the described second scheduling, the backhaul data for the via node that the base station is sent being received by the PDSCH of the base station in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame.
Optionally, the receiver 11A is additionally operable to, and receives the auxiliary chain that the base station is sent Message is set up on road；The secondary link, which sets up message, to be used to set up the first secondary link for carrying out information exchange between the intermediate node and the base station, and for carrying out the second secondary link of information exchange between the intermediate node and the via node；
The intermediate node also includes：The C of processor 11, first secondary link and second secondary link are set up for setting up message according to the secondary link.
Optionally, the 1A of receiver 1 by the PDCCH of via node specifically for receiving the first scheduling instruction message that the via node is sent.
Optionally, the B of transmitter 11 is additionally operable to, and sending Slow to the via node deposits report message, and the Slow, which deposits report message, to be used to make the via node send the first scheduling instruction message to the intermediate node.
Optionally, the access link and the back haul link are worked by time division multiplexing TDM.
Optionally, the carrier frequency that the access link is used is identical with the carrier frequency that the back haul link is used.
Optionally, the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.Intermediate node provided in an embodiment of the present invention, the backhaul data for the via node that base station is sent is being received with the MBSFN sub-frame of position identical first of one or more descending MBSFN sub-frame of the back haul link of via node, and the first scheduling sent according to via node indicates message, and to via node the backhaul data is sent in the subframe of position identical first of the uplink subframe of access link.This programme realizes the uplink sub-frame transmission in access link by increasing intermediate node in systems（It is descending）Backhaul data, that is to say, that the descending MBSFN sub-frame and the uplink sub-frame transmission of access link in the back haul link of via node can be realized using this programme on the basis of existing technology（It is descending）Backhaul data, so as to lift backhaul capacity, and then improves systematic function.Embodiment seven It is a kind of base station 12 provided in an embodiment of the present invention as shown in Figure 12, the method to perform the transmission backhaul data shown in Fig. 5, the base station 12 includes：
Determining unit 12A, for the first backhaul data of the via node for determining to send to intermediate node；
Transmitting element 12B, for sending first backhaul data to the intermediate node in the first multimedia broadcasting Single Frequency Network MBSFN subframes, the position of the first MBSFN subframes is identical with the position of one or more descending MBSFN subframe of the back haul link of the via node；So that the intermediate node indicates that message sends first backhaul data in the first subframe to the via node according to the first scheduling；First scheduling indicates that message is sent to the intermediate node by the via node, the ascending resource for indicating the access link of the via node used in transmission first backhaul data；The position of first subframe is identical with the position of one or more uplink subframe of the access link.
Optionally, the determining unit 12A is additionally operable to, it is determined that the second backhaul data of the via node sent to the via node；
The transmitting element 12B is additionally operable to, and to the via node second backhaul data is sent in one or more descending MBSFN sub-frame of the back haul link.
Optionally, the transmitting element 12B is additionally operable to, MBSFN sub-frame configuration message is sent to the intermediate node, the MBSFN sub-frame configurations message package contains the position of first MBSFN sub-frame, and the MBSFN sub-frame configuration message is used to make the intermediate node configure first MBSFN sub-frame.
Optionally, the transmitting element 12B is specifically in the case where the load of the back haul link is more than or equal to predetermined threshold value, MBSFN sub-frame configuration message is sent to the intermediate node.
Optionally, the transmitting element 12B is additionally operable to, and sending the second scheduling to the intermediate node by the physical downlink control channel PDCCH of the base station 12 in first MBSFN sub-frame indicates message；Second scheduling indicates that message is used to indicate that the intermediate node receives the first backhaul number on the Physical Downlink Shared Channel PDSCH of the base station 12 According to.
Optionally, the transmitting element 12B is additionally operable to, and sending secondary link to the intermediate node sets up message；With cause the intermediate node according to the secondary link set up message set up between the intermediate node and the base station 12 carry out information exchange the first secondary link, and between the intermediate node and the via node carry out information exchange the second secondary link.
Optionally, the transmitting element 12B to the intermediate node by the Physical Downlink Shared Channel PDSCH of the base station 12 in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame specifically for sending first backhaul data.
Optionally, it is identical that the transmitting element 12B sends the resource used when the resource used during first backhaul data sends downlink data with the user equipment that the base station 12 is serviced to the base station 12, wherein, the transmitting element 12B sends the resource used during first backhaul data and included：The PDSCH of the base station 12, first MBSFN sub-frame.- optional, the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.Base station provided in an embodiment of the present invention, the first backhaul data of via node is being sent to intermediate node with the MBSFN sub-frame of position identical first of one or more descending MBSFN sub-frame of the back haul link of via node, so that intermediate node indicates that position identical first subframe of the message in the uplink subframe of access link sends the first backhaul data to via node according to the first scheduling.This programme realizes the uplink sub-frame transmission in access link by increasing intermediate node in systems（It is descending）Backhaul data, that is to say, that the descending MBSFN subframes and the uplink sub-frame transmission of access link in back haul link can be realized using this programme on the basis of existing technology（It is descending）Backhaul data, so as to lift backhaul capacity, and then improves systematic function.Embodiment eight
It is a kind of base station 12 provided in an embodiment of the present invention, to perform as shown in Figure 13 The method of transmission backhaul data shown in Fig. 5, the base station 12 includes：
Processor 13A, for the first backhaul data of the via node for determining to send to intermediate node；
Transmitter 13B, for sending first backhaul data to the intermediate node in the first multimedia broadcasting Single Frequency Network MBSFN subframes, the position of the first MBSFN subframes is identical with the position of one or more descending MBSFN subframe of the back haul link of the via node；So that the intermediate node indicates that message sends first backhaul data in the first subframe to the via node according to the first scheduling；First scheduling indicates that message is sent to the intermediate node by the via node, the ascending resource for indicating the access link of the via node used in transmission first backhaul data；The position of first subframe is identical with the position of one or more uplink subframe of the access link.
Optionally, the processor 13A is additionally operable to, it is determined that the second backhaul data of the via node sent to the via node；
The transmitter 13B is additionally operable to, and to the via node second backhaul data is sent in one or more descending MBSFN sub-frame of the back haul link.
Optionally, the transmitter 13B is additionally operable to, MBSFN sub-frame configuration message is sent to the intermediate node, the MBSFN sub-frame configuration message package contains the position of first MBSFN sub-frame, and the MBSFN sub-frame configurations message is used to make the intermediate node configure first MBSFN sub-frame.
Optionally, the transmitter 13B is specifically in the case where the load of the back haul link is more than or equal to predetermined threshold value, MBSFN sub-frame configuration message is sent to the intermediate node.
Optionally, the transmitter 13B is additionally operable to, and sending the second scheduling to the intermediate node by the physical downlink control channel PDCCH of the base station in first MBSFN sub-frame indicates message；Second scheduling indicates that message is used to indicate that the intermediate node receives first backhaul data on the Physical Downlink Shared Channel PDSCH of the base station.
Optionally, the transmitter 13B is additionally operable to, and auxiliary chain is sent to the intermediate node Message is set up on road；With cause the intermediate node according to the secondary link set up message set up between the intermediate node and the base station carry out information exchange the first secondary link, and between the intermediate node and the via node carry out information exchange the second secondary link.
Optionally, the transmitter 13B to the intermediate node by the Physical Downlink Shared Channel PDSCH of the base station in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame specifically for sending first backhaul data.
Optionally, it is identical that the transmitter 13B sends the resource used when the resource used during first backhaul data sends downlink data with the user equipment that the base station is serviced to the base station, wherein, the transmitter 13B sends the resource used during first backhaul data and included：The PDSCH of the base station, first MBSFN sub-frame.- optional, the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.Base station provided in an embodiment of the present invention, the first backhaul data of via node is being sent to intermediate node with the MBSFN sub-frame of position identical first of one or more descending MBSFN sub-frame of the back haul link of via node, so that intermediate node indicates that position identical first subframe of the message in the uplink subframe of access link sends the first backhaul data to via node according to the first scheduling.This programme realizes the uplink sub-frame transmission in access link by increasing intermediate node in systems（It is descending）Backhaul data, that is to say, that the descending MBSFN subframes and the uplink sub-frame transmission of access link in back haul link can be realized using this programme on the basis of existing technology（It is descending）Backhaul data, so as to lift backhaul capacity, and then improves systematic function.Embodiment nine
It is a kind of via node 14 provided in an embodiment of the present invention as shown in Figure 14, the method to perform the transmission backhaul data shown in Fig. 6, the via node 14 includes：
Transmitting element 14A, message is indicated for sending the first scheduling to intermediate node, described First scheduling indicates the ascending resource of the access link of the via node 14 used during first backhaul data of the message for indicating transmission trunking node 14, and indicates that message sends first backhaul data to the via node 14 for making the intermediate node be dispatched in the first subframe according to described first；The position of first subframe is identical with the position of one or more uplink subframe of the access link；First backhaul data is sent to the intermediate node by base station in the first multimedia broadcasting Single Frequency Network MBSFN subframes, and the position of first MBSFN sub-frame is identical with the position of one or more descending MBSFN sub-frame of the back haul link of the via node 14；
Receiving unit 14B, for receiving first backhaul data that intermediate node is sent in first subframe.
Optionally, the receiving unit 14B is additionally operable to, and the second backhaul data of the via node 14 that the base station is sent is received in one or more descending MBSFN sub-frame of the back haul link.
Optionally, the receiving unit 14B is additionally operable to, and the Slow for receiving the intermediate node transmission deposits report message, and the Slow, which deposits report message, to be used to make the via node 14 indicate message to intermediate node transmission first scheduling.
Optionally, the transmitting element 14A is specifically for sending the first scheduling to intermediate node by the physical downlink control channel PDCCH of the via node 14 and indicating message.
Optionally, the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.Via node provided in an embodiment of the present invention, the first scheduling is sent to intermediate node and indicates message, to cause intermediate node to indicate that message sends the first backhaul data of via node to via node according to the first scheduling in the subframe of position identical first of one or more uplink subframe of access link；Wherein, the first backhaul data is sent to intermediate node by base station in the MBSFN subframes of position identical the first with one or more descending MBSFN sub-frame of the back haul link of via node.This programme realizes the uplink sub-frame transmission in access link by increasing intermediate node in systems（It is descending）Backhaul data, that is to say, that can To realize the descending MBSFN subframes and the uplink sub-frame transmission of access link in back haul link using this programme on the basis of existing technology（It is descending）Backhaul data, so as to lift backhaul capacity, and then improves systematic function.Implement ten
It is a kind of via node 14 provided in an embodiment of the present invention as shown in Figure 15, the method to perform the transmission backhaul data shown in Fig. 6, the via node 14 includes：
Transmitter 15A, message is indicated for sending the first scheduling to intermediate node, first scheduling indicates the ascending resource of the access link of the via node used during first backhaul data of the message for indicating transmission trunking node, and indicates that message sends first backhaul data to the via node for making the intermediate node be dispatched in the first subframe according to described first；The position of first subframe is identical with the position of one or more uplink subframe of the access link；First backhaul data is sent to the intermediate node by base station in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame, and the position of first MBSFN sub-frame is identical with the position of one or more descending MBSFN subframe of the back haul link of the via node；
Receiver 15B, for receiving first backhaul data that intermediate node is sent in first subframe.
Optionally, the receiver 15B is additionally operable to, and the second backhaul data of the via node that the base station is sent is received in one or more descending MBSFN subframe of the back haul link.
Optionally, the receiver 15B is additionally operable to, and the Slow for receiving the intermediate node transmission deposits report message, and the Slow, which deposits report message, to be used to make the via node indicate message to intermediate node transmission first scheduling.
Optionally, the transmitter 15A is specifically for sending the first scheduling to intermediate node by the physical downlink control channel PDCCH of the via node and indicating message.
Optionally, the intermediate node includes：User equipment (UE) with relay function, or Person has the relaying of UE modules.Via node provided in an embodiment of the present invention, the first scheduling is sent to intermediate node and indicates message, to cause intermediate node to indicate that message sends the first backhaul data of via node to via node according to the first scheduling in the subframe of position identical first of one or more uplink subframe of access link；Wherein, the first backhaul data is sent to intermediate node by base station in the MBSFN subframes of position identical the first with one or more descending MBSFN sub-frame of the back haul link of via node.This programme realizes the uplink sub-frame transmission in access link by increasing intermediate node in systems（It is descending）Backhaul data, that is to say, that the descending MBSFN subframes and the uplink sub-frame transmission of access link in back haul link can be realized using this programme on the basis of existing technology（It is descending）Backhaul data, so as to lift backhaul capacity, and then improves systematic function.
In addition, the embodiment of the present invention also provides a kind of system for transmitting backhaul data, including：Any intermediate node 9 that above-described embodiment five, six is provided, and/or any base station 12 that embodiment seven, eight is provided, and/or any via node 14 that embodiment nine, ten is provided.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the specific work process of the system, apparatus, and unit of foregoing description may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be realized by another way.For example, device embodiment described above is only schematical, for example, the division of the unit, it is only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can combine or be desirably integrated into another system, or some features can be ignored, or do not perform.Another, it, by some interfaces, the INDIRECT COUPLING or communication connection of device or unit, can be electrical, machinery or other forms that shown or discussed coupling or direct-coupling or communication connection each other, which can be,. The unit illustrated as separating component can be or may not be physically separate, and the part shown as unit can be or may not be physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in each of the invention embodiment can be integrated in a processing unit or the independent physics of unit includes, can also two or more units it is integrated in a unit.Above-mentioned integrated unit can both be realized in the form of hardware, it would however also be possible to employ hardware adds the form of SFU software functional unit to realize.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in a computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are to cause a computer equipment（Can be personal computer, server, or network equipment etc.）Perform the part steps of each embodiment methods described of the invention.And foregoing storage medium includes：USB flash disk, mobile hard disk, ROM (Read-Only Memory, read-only storage）, RAM (Random Access Memory, random access memory）, magnetic disc or CD etc. are various can be with the medium of store program codes.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although the present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part technical characteristic；And these modifications or replacement, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (1)

  1. Claims
    1st, a kind of method for transmitting backhaul data, it is characterised in that including：
    Intermediate node receives the backhaul data for the via node that base station is sent in the first multimedia broadcasting Single Frequency Network M B S F N subframes, and the position of first MBSFN sub-frame is identical with the position of one or more descending MBSFN sub-frame of the back haul link of the via node；
    The first scheduling instruction message that via node is sent is received, first scheduling indicates that message is used for the ascending resource for indicating to transmit the access link of the via node used in the backhaul data；
    Indicate that message sends the backhaul data in the first subframe to the via node according to the described first scheduling, the position of first subframe is identical with the position of one or more uplink subframe of the access link.
    2nd, the method according to claim 1, it is characterised in that in the intermediate node before the backhaul data that the first MBSFN sub-frame receives the via node that base station is sent, methods described also includes：
    The MBSFN sub-frame configuration message that the base station is sent is received, the MBSFN sub-frame configuration message package contains the position of the first MB S FN subframes；
    The first MBSFN sub-frame according to the MBSFN sub-frame configures message arrangement.
    3rd, the method according to claim 1, it is characterised in that in the intermediate node before the backhaul data that the first multimedia broadcasting Single Frequency Network M B S F N subframes receive the via node that base station is sent, methods described also includes：
    The second scheduling instruction message that the base station is sent by the Physical Downlink Control Channel P D C C H of the base station is received in first MBSFN sub-frame, second scheduling indicates that message is used to indicate that the intermediate node receives the backhaul data by the Physical Downlink Shared Channel PDSCH of the base station；
    The intermediate node receives the backhaul data for the via node that base station is sent in the first multimedia broadcasting Single Frequency Network M B S F N subframes, including：
    Intermediate node indicates message according to the described second scheduling, in the first multimedia broadcasting SFN Network MBSFN sub-frame receives the backhaul data for the via node that the base station is sent by the PDSCH of the base station.
    4th, the method according to claim 1, it is characterised in that in the intermediate node before the backhaul data that the first multimedia broadcasting Single Frequency Network M B S F N subframes receive the via node that base station is sent, methods described also includes：
    The secondary link for receiving the base station transmission sets up message；The secondary link, which sets up message, to be used to set up the first secondary link for carrying out information exchange between the intermediate node and the base station, and for carrying out the second secondary link of information exchange between the intermediate node and the via node；
    Message is set up according to the secondary link and sets up first secondary link and second secondary link.
    5th, the method according to any one of claim 1-4, it is characterised in that the first scheduling that the reception via node is sent indicates message, including：
    The first scheduling sent by via node described in the PDCCH reception of via node indicates message.
    6th, the method according to any one of claim 1-5, it is characterised in that before the first scheduling that the reception via node is sent indicates message, methods described also includes：Slow is sent to the via node and deposits report message, and the Slow, which deposits report message, to be used to make the via node send the first scheduling instruction message to the intermediate node.
    7th, the method according to any one of claim 1-6, it is characterised in that the access link and the back haul link are worked by time division multiplexing TDM.
    8th, the method according to any one of claim 1-7, it is characterised in that the carrier frequency that the access link is used is identical with the carrier frequency that the back haul link is used.
    9th, the method according to any one of claim 1-8, it is characterised in that the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules. 10th, a kind of method for transmitting backhaul data, it is characterised in that including：Base station determines the first backhaul data of the via node sent to intermediate node；
    First backhaul data is sent to the intermediate node in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame, the position of first MBSFN sub-frame is identical with the position of one or more descending MBSFN sub-frame of the back haul link of the via node；So that the intermediate node indicates that message sends the-backhaul data in the first subframe to the via node according to the first scheduling；First scheduling indicates that message is sent to the intermediate node by the via node, the ascending resource for indicating the access link of the via node used in transmission first backhaul data；The position of first subframe is identical with the position of one or more uplink subframe of the access link.
    11st, method according to claim 10, it is characterised in that methods described also includes：
    It is determined that the second backhaul data of the via node sent to the via node；To the via node second backhaul data is sent in one or more descending MBSFN sub-frame of the back haul link.
    12nd, the method according to claim 10 or 11, it is characterised in that before the first multimedia broadcasting Single Frequency Network MBSFN sub-frame sends first backhaul data to the intermediate node, methods described also includes：
    MBSFN sub-frame configuration message is sent to the intermediate node, the MBSFN sub-frame configuration message package contains the position of first MBSFN sub-frame, and the MBSFN sub-frame configuration message is used to make the intermediate node configure first MBSFN sub-frame.
    13rd, method according to claim 12, it is characterised in that described to send MBSFN sub-frame configuration message to the intermediate node, including：
    In the case where the load of the back haul link is more than or equal to predetermined threshold value, MBSFN sub-frame configuration message is sent to the intermediate node.
    14th, method according to claim 10, it is characterised in that methods described also includes： The second scheduling is sent to the intermediate node by the physical downlink control channel PDCCH of the base station in the first MBSFN subframes and indicates message；Second scheduling indicates that message is used to indicate that the intermediate node receives first backhaul data on the Physical Downlink Shared Channel PDSCH of the base station.
    15th, the method according to any one of claim 10- 14, it is characterised in that before the first multimedia broadcasting Single Frequency Network MBSFN sub-frame sends first backhaul data to the intermediate node, methods described also includes：
    Secondary link, which is sent, to the intermediate node sets up message；With cause the intermediate node according to the secondary link set up message set up between the intermediate node and the base station carry out information exchange the first secondary link, and between the intermediate node and the via node carry out information exchange the second secondary link.
    16th, the method according to any one of claim 10- 15, it is characterised in that described to send first backhaul data to the intermediate node in the first multimedia broadcasting Single Frequency Network M B S F N subframes, including：
    First backhaul data is sent to the intermediate node by the Physical Downlink Shared Channel PDSCH of the base station in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame.
    17th, method according to claim 16, it is characterized in that, it is identical that the base station sends the resource used when the resource used during first backhaul data sends downlink data with the user equipment that the base station is serviced to the base station, wherein, the base station sends the resource used during first backhaul data and included：The PDSCH of the base station, the first MBSFN subframes. -
    18th, the method according to any one of claim 10- 17, it is characterised in that the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.
    19th, a kind of method for transmitting backhaul data, it is characterised in that including：
    Via node sends the first scheduling to intermediate node and indicates message, and first scheduling is indicated Message is used to indicating the ascending resource of the access link of the via node used during the first backhaul data of transmission trunking node, and indicates that message sends first backhaul data to the via node according to the described first scheduling for making the intermediate node in the first subframe；The position of the-subframe is identical with the position of one or more uplink subframe of the access link；First backhaul data is sent to the intermediate node by base station in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame, and the position of first MBSFN sub-frame is identical with the position of one or more descending MBSFN sub-frame of the back haul link of the via node；
    Receive first backhaul data that intermediate node is sent in first subframe.
    20th, method according to claim 19, it is characterised in that methods described also includes：
    The second backhaul data of the via node that the base station is sent is received in one or more descending MBSFN sub-frame of the back haul link.
    21st, the method according to claim 19 or 20, it is characterised in that before the via node sends the first scheduling instruction message to intermediate node, methods described also includes：The Slow for receiving the intermediate node transmission deposits report message, and the Slow, which deposits report message, to be used to make the via node send the first scheduling instruction message to the intermediate node.
    22nd, the method according to claim any one of 19-21, it is characterised in that the via node sends the first scheduling to intermediate node and indicates message, including：
    The via node sends the first scheduling to intermediate node by the Physical Downlink Control Channel P D C C H of the via node and indicates message.
    23rd, the method according to claim any one of 19-22, it is characterised in that the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.
    24th, a kind of intermediate node, it is characterised in that including：
    First receiving unit, for the first multimedia broadcasting Single Frequency Network MBSFN sub-frame receive base station send via node backhaul data, the position of first MBSFN sub-frame with The position of one or more descending MBSFN sub-frame of the back haul link of the via node is identical；
    Second receiving unit, the first scheduling for receiving via node transmission indicates message, and first scheduling indicates that message is used for the ascending resource for indicating the access link of the via node used in the transmission backhaul data；
    Transmitting element, for indicating that message sends the backhaul data in the first subframe to the via node according to the described first scheduling, the position of first subframe is identical with the position of one or more uplink subframe of the access link.
    25th, intermediate node according to claim 24, it is characterised in that
    First receiving unit is additionally operable to, and receives the MBSFN sub-frame configuration message that the base station is sent, and the MBSFN sub-frame configuration message package contains the position of first MBSFN sub-frame；
    The intermediate node also includes：Dispensing unit, for the first MBSFN sub-frame according to MBSFN sub-frame configuration message arrangement.
    26th, intermediate node according to claim 24, it is characterised in that
    First receiving unit is additionally operable to, the second scheduling instruction message that the base station is sent by the Physical Downlink Control Channel P D C C H of the base station is received in first MBSFN sub-frame, second scheduling indicates that message is used to indicate that the intermediate node receives the backhaul data by the Physical Downlink Shared Channel P D S C H of the base station；
    First receiving unit is specifically for indicating message according to the described second scheduling, the backhaul data for the via node that the base station is sent being received by the PDSCH of the base station in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame.
    27th, intermediate node according to claim 24, it is characterised in that
    First receiving unit is additionally operable to, and the secondary link for receiving the base station transmission sets up message；The secondary link, which sets up message, to be used to set up the first secondary link for carrying out information exchange between the intermediate node and the base station, and for carrying out the second secondary link of information exchange between the intermediate node and the via node； The intermediate node also includes：Unit is set up, first secondary link and second secondary link are set up for setting up message according to the secondary link.
    28th, the intermediate node according to claim any one of 24-27, it is characterised in that second receiving unit is specifically for the first scheduling sent by via node described in the PDCCH reception of via node indicates message.
    29th, the intermediate node according to claim any one of 24-28, it is characterized in that, the transmitting element is additionally operable to, Slow is sent to the via node and deposits report message, and the Slow, which deposits report message, to be used to make the via node send the first scheduling instruction message to the intermediate node.
    30th, the intermediate node according to claim any one of 24-29, it is characterised in that the access link and the back haul link are worked by time division multiplexing TDM.
    31, the intermediate node according to claim any one of 24-30, it is characterised in that the carrier frequency that the access link is used is identical with the carrier frequency that the back haul link is used.
    32nd, the intermediate node according to claim any one of 24-31, it is characterised in that the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.
    33rd, a kind of intermediate node, it is characterised in that including：
    Receiver, backhaul data for receiving the via node that base station is sent in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame, the position of first MBSFN sub-frame is identical with the position of one or more descending MBSFN sub-frame of the back haul link of the via node；And the first scheduling instruction message that via node is sent is received, first scheduling indicates that message is used for the ascending resource for indicating to transmit the access link of the via node used in the backhaul data；
    Transmitter, for indicating that message sends the backhaul data in the first subframe to the via node according to the described first scheduling, the position of first subframe is identical with the position of one or more uplink subframe of the access link. 34th, intermediate node according to claim 33, it is characterised in that the receiver is additionally operable to, receives the MBSFN sub-frame configuration message that the base station is sent, and the MBSFN sub-frame configuration message package contains the position of first MBSFN sub-frame；
    The intermediate node also includes：Processor, for the first MBSFN sub-frame according to MBSFN sub-frame configuration message arrangement.
    35th, intermediate node according to claim 33, it is characterised in that
    The receiver is additionally operable to, the second scheduling instruction message that the base station is sent by the physical downlink control channel PDCCH of the base station is received in first MBSFN sub-frame, second scheduling indicates that message is used to indicate that the intermediate node receives the backhaul data by the Physical Downlink Shared Channel PDSCH of the base station；
    The receiver is specifically for indicating message according to the described second scheduling, the backhaul data for the via node that the base station is sent being received by the PDSCH of the base station in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame.
    36th, intermediate node according to claim 33, it is characterised in that
    The receiver is additionally operable to, and the secondary link for receiving the base station transmission sets up message；The secondary link, which sets up message, to be used to set up the first secondary link for carrying out information exchange between the intermediate node and the base station, and for carrying out the second secondary link of information exchange between the intermediate node and the via node；
    The intermediate node also includes：Processor, first secondary link and second secondary link are set up for setting up message according to the secondary link.
    37th, the intermediate node according to claim any one of 33-36, it is characterised in that the receiver is specifically for the first scheduling sent by via node described in the PDCCH reception of via node indicates message.
    38th, the intermediate node according to claim any one of 33-37, it is characterized in that, the transmitter is additionally operable to, Slow is sent to the via node and deposits report message, and the Slow, which deposits report message, to be used to make the via node send the first scheduling instruction message to the intermediate node. 39th, the intermediate node according to claim any one of 33-38, it is characterised in that the access link and the back haul link are worked by time division multiplexing TDM.
    40th, the intermediate node according to claim any one of 33-39, it is characterised in that the carrier frequency that the access link is used is identical with the carrier frequency that the back haul link is used.
    41st, the intermediate node according to claim any one of 33-40, it is characterised in that the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.
    42nd, a kind of base station, it is characterised in that including：
    Determining unit, for the first backhaul data of the via node for determining to send to intermediate node；
    Transmitting element, for sending first backhaul data to the intermediate node in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame, the position of first MBSFN sub-frame is identical with the position of one or more descending MBSFN subframe of the back haul link of the via node；So that the intermediate node indicates that message sends first backhaul data in the first subframe to the via node according to the first scheduling；First scheduling indicates that message is sent to the intermediate node by the via node, the ascending resource for indicating the access link of the via node used in transmission first backhaul data；The position of first subframe is identical with the position of one or more uplink subframe of the access link.
    43rd, base station according to claim 42, it is characterised in that
    The determining unit is additionally operable to, it is determined that the second backhaul data of the via node sent to the via node；
    The transmitting element is additionally operable to, and to the via node second backhaul data is sent in one or more descending MBSFN sub-frame of the back haul link.
    44th, the base station according to claim 42 or 43, it is characterised in that
    The transmitting element is additionally operable to, and MBSFN sub-frame configuration message is sent to the intermediate node, and the MBSFN sub-frame configuration message package contains the position of first MBSFN sub-frame, The MBSFN sub-frame configurations message is used to make the intermediate node configure first MBSFN sub-frame.
    45th, base station according to claim 44, it is characterised in that
    The transmitting element is specifically in the case where the load of the back haul link is more than or equal to predetermined threshold value, MBSFN sub-frame configuration message is sent to the intermediate node.
    46th, base station according to claim 42, it is characterised in that
    The transmitting element is additionally operable to, and sending the second scheduling to the intermediate node by the physical downlink control channel PDCCH of the base station in first MBSFN sub-frame indicates message；Second scheduling indicates that message is used to indicate that the intermediate node receives first backhaul data on the Physical Downlink Shared Channel PDSCH of the base station.
    47th, the base station according to claim any one of 42-46, it is characterised in that the transmitting element is additionally operable to, sends secondary link to the intermediate node and sets up message；With cause the intermediate node according to the secondary link set up message set up between the intermediate node and the base station carry out information exchange the first secondary link, and between the intermediate node and the via node carry out information exchange the second secondary link.
    48th, the base station according to claim any one of 42-47, it is characterized in that, the transmitting element to the intermediate node by the Physical Downlink Shared Channel PDSCH of the base station in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame specifically for sending first backhaul data.
    49th, base station according to claim 48, it is characterized in that, it is identical that the transmitting element sends the resource used when the resource used during first backhaul data sends downlink data with the user equipment that the base station is serviced to the base station, wherein, the transmitting element sends the resource used during first backhaul data and included：The PDSCH of the base station, first MBSFN sub-frame. -
    50th, the base station according to claim any one of 42-49, it is characterised in that the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules. 51st, a kind of base station, it is characterised in that including：
    Processor, for the first backhaul data of the via node for determining to send to intermediate node；Transmitter, for sending first backhaul data to the intermediate node in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame, the position of first MBSFN sub-frame is identical with the position of one or more descending MBSFN sub-frame of the back haul link of the via node；So that the intermediate node indicates that message sends the-backhaul data in the first subframe to the via node according to the first scheduling；First scheduling indicates that message is sent to the intermediate node by the via node, the ascending resource for indicating the access link of the via node used in transmission first backhaul data；The position of first subframe is identical with the position of one or more uplink subframe of the access link.
    52nd, base station according to claim 51, it is characterised in that
    The processor is additionally operable to, it is determined that the second backhaul data of the via node sent to the via node；
    The transmitter is additionally operable to, and to the via node second backhaul data is sent in one or more descending MBSFN sub-frame of the back haul link.
    53rd, the base station according to claim 51 or 52, it is characterised in that
    The transmitter is additionally operable to, MBSFN sub-frame configuration message is sent to the intermediate node, the MBSFN sub-frame configuration message package contains the position of first MBSFN sub-frame, and the MBSFN sub-frame configurations message is used to make the intermediate node configure the first MBSFN subframes.
    54th, base station according to claim 53, it is characterised in that
    The transmitter is specifically in the case where the load of the back haul link is more than or equal to predetermined threshold value, MBSFN sub-frame configuration message is sent to the intermediate node.
    55th, base station according to claim 51, it is characterised in that
    The transmitter is additionally operable to, and sending the second scheduling to the intermediate node by the physical downlink control channel PDCCH of the base station in first MBSFN sub-frame indicates message；Second scheduling indicates that message is used to indicate physical down of the intermediate node in the base station First backhaul data is received on shared channel PDSCH.
    56th, the base station according to any one of claim 51-55, it is characterised in that the transmitter is additionally operable to, sends secondary link to the intermediate node and sets up message；With cause the intermediate node according to the secondary link set up message set up between the intermediate node and the base station carry out information exchange the first secondary link, and between the intermediate node and the via node carry out information exchange the second secondary link.
    57th, the base station according to any one of claim 51-56, it is characterized in that, the transmitter to the intermediate node by the Physical Downlink Shared Channel PDSCH of the base station in the first multimedia broadcasting Single Frequency Network MBSFN sub-frame specifically for sending first backhaul data.
    58th, base station according to claim 57, it is characterized in that, it is identical that the transmitter sends the resource used when the resource used during first backhaul data sends downlink data with the user equipment that the base station is serviced to the base station, wherein, the transmitter sends the resource used during first backhaul data and included：The PDSCH of the base station, first MBSFN sub-frame. -
    59th, the base station according to any one of claim 51-58, it is characterised in that the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.
    60th, a kind of via node, it is characterised in that including：
    Transmitting element, message is indicated for sending the first scheduling to intermediate node, first scheduling indicates the ascending resource of the access link of the via node used during first backhaul data of the message for indicating transmission trunking node, and indicates that message sends first backhaul data to the via node for making the intermediate node be dispatched in the first subframe according to described first；The position of first subframe is identical with the position of one or more uplink subframe of the access link；First backhaul data is sent to the intermediate node by base station in the first multimedia broadcasting Single Frequency Network MBSFN subframes, the position of the first MBSFN subframes with The position of one or more descending MBSFN sub-frame of the back haul link of the via node is identical；
    Receiving unit, for receiving first backhaul data that intermediate node is sent in first subframe.
    61st, via node according to claim 60, it is characterised in that
    The receiving unit is additionally operable to, and the second backhaul data of the via node that the base station is sent is received in one or more descending M B S F N subframe of the back haul link.
    62nd, the via node according to claim 60 or 61, it is characterized in that, the receiving unit is additionally operable to, the Slow for receiving the intermediate node transmission deposits report message, and the Slow, which deposits report message, to be used to make the via node send the first scheduling instruction message to the intermediate node.
    63rd, the via node according to claim any one of 60-62, it is characterised in that the transmitting element is specifically for passing through the Physical Downlink Control Channel of the via node
    PDCCH sends the first scheduling to intermediate node and indicates message.
    64th, the via node according to claim any one of 60-63, it is characterised in that the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.
    65th, a kind of via node, it is characterised in that including：
    Transmitter, message is indicated for sending the first scheduling to intermediate node, first scheduling indicates the ascending resource of the access link of the via node used during first backhaul data of the message for indicating transmission trunking node, and indicates that message sends first backhaul data to the via node for making the intermediate node be dispatched in the first subframe according to described first；The position of first subframe is identical with the position of one or more uplink subframe of the access link；First backhaul data is sent to the intermediate node, the position of the first MBSFN subframes and the position phase of one or more descending MBSFN sub-frame of the back haul link of the via node by base station in the first multimedia broadcasting Single Frequency Network MBSFN subframes Together；
    Receiver, for receiving first backhaul data that intermediate node is sent in first subframe.
    66th, via node according to claim 65, it is characterised in that
    The receiver is additionally operable to, and the second backhaul data of the via node that the base station is sent is received in one or more descending M B S F N subframe of the back haul link.
    67th, the via node according to claim 65 or 66, it is characterized in that, the receiver is additionally operable to, the Slow for receiving the intermediate node transmission deposits report message, and the Slow, which deposits report message, to be used to make the via node send the first scheduling instruction message to the intermediate node.
    68th, the via node according to claim any one of 65-67, it is characterised in that the transmitter is specifically for passing through the Physical Downlink Control Channel of the via node
    PDCCH sends the first scheduling to intermediate node and indicates message.
    69th, the via node according to claim any one of 65-68, it is characterised in that the intermediate node includes：User equipment (UE) with relay function, or the relaying with UE modules.
    70th, a kind of system for transmitting backhaul data, it is characterised in that including：Intermediate node as described in claim any one of 24-41, and/or the base station as described in claim any one of 42-59, and/or the via node as described in claim any one of 60-69.
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