CN105009620B

CN105009620B - Downlink signal transmission and device

Info

Publication number: CN105009620B
Application number: CN201380035273.3A
Authority: CN
Inventors: 温容慧; 周明宇
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2013-11-25
Filing date: 2013-11-25
Publication date: 2018-12-25
Anticipated expiration: 2033-11-25
Also published as: CN105009620A; WO2015074263A1

Abstract

The embodiment of the present invention provides a kind of downlink signal transmission and device.Downlink signal transmission of the present invention, it include: to send descending scheduling signaling or semi-static signaling to small station or the first user equipment at the first moment and in descending carrier frequency range, wherein, descending scheduling signaling or semi-static signaling are for dispatching the first sub-frame set or the second sub-frame set, in signaling for dispatching the first sub-frame set comprising be used to indicate small station or the first user equipment the second moment and in up-link carrier frequency range receive downlink signal first instruction information, first instruction information is indicated by the bit that carrier identifiers CIF field occupies, downlink signal is sent to small station or the first user equipment at the second moment and in up-link carrier frequency range, the embodiment of the present invention improves the utilization rate of ascending resource, and it can ensure that effective transmission of the data in control channel and data channel.

Description

Downlink signal transmission and device

Technical field

The present embodiments relate to the communication technology more particularly to a kind of downlink signal transmission and devices.

Background technique

With in mobile communication multimedia service demand it is increasing, in order to further increase uplink and downlink data transmission speed Rate and multimedia service quality, third generation partner program (The 3rd Generation Partnership Project, Abbreviation 3GPP) propose next-generation wideband multimedia communication standard i.e. long term evolution (Long Term Evolution, abbreviation LTE), LTE includes time division duplex (Time Division Duplex, referred to as: TDD) and frequency division duplex (Frequency Division Duplex, referred to as: FDD) two kinds of dual-modes, the LTE using FDD dual-mode is LTE-FDD.

In LTE-FDD system, macro base station sends uplink signal in up-link carrier, and dispatching downlink carrier wave sends downlink letter Number.Upstream and downstream bandwidth is equal in LTE-FDD system, however uplink and downlink business is asymmetric, according to current statistics downlink business Generally higher than uplink service has that ascending resource utilization rate is lower, causes the waste of ascending resource, therefore how to have Effect utilizes ascending resource, and ensure effective transmission of data in control channel and data channel become one urgently solve ask Topic.

Summary of the invention

The embodiment of the present invention provides a kind of downlink signal transmission and device, to solve ascending resource benefit in the prior art With the lower problem of rate, and guarantee effective transmission of the data in control channel and data channel.

In a first aspect, the embodiment of the present invention provides a kind of downlink signal transmission, comprising:

Descending scheduling signaling is sent to the small station or the first user equipment at the first moment and in descending carrier frequency range Or semi-static signaling, wherein the descending scheduling signaling or semi-static signaling are for dispatching the first sub-frame set or the second subframe Gather, comprising the first instruction information in the signaling for dispatching first sub-frame set, the first instruction information is for referring to Show the small station or first user equipment at second moment and receives downlink signal in up-link carrier frequency range, it is described First instruction information is indicated by the bit that carrier identifiers CIF field occupies, for dispatching second sub-frame set Signaling is used for the descending carrier frequency range of scheduled transmission downlink signal；

Downlink is sent to the small station or first user equipment at second moment and in up-link carrier frequency range Signal so that the small station or first user equipment based on the received the descending scheduling signaling or semi-static signaling in institute It stated for the second moment and receives downlink signal in up-link carrier frequency range；

Wherein, the time difference at second moment and first moment is i milliseconds, and i is the integer more than or equal to 0.

In the first possible implementation of the first aspect, second moment and in up-link carrier frequency range to The small station or first user equipment send downlink signal, comprising:

Use downlink signal format to the small station or described first at second moment and in up-link carrier frequency range User equipment sends downlink signal, or,

Use upstream signal formats to the small station or described first at second moment and in up-link carrier frequency range User equipment sends downlink signal.

According to the possible implementation of the first of first aspect or first aspect, in second of possible implementation In, descending scheduling signaling is sent to the small station or the first user equipment at the second moment and in descending carrier frequency range described Or before semi-static signaling, further includes:

Ratio of uplink subframe to downlink subframe is sent to the small station or first user equipment, so that the small station or described first User equipment receives downlink signal or so that the small station or the first user equipment root according to the ratio of uplink subframe to downlink subframe Uplink signal is sent according to the ratio of uplink subframe to downlink subframe, or,

Destroy the last one or two symbols in second moment and the downlink signal that sends in up-link carrier frequency range Number.

According to the possible implementation of the first of first aspect or first aspect, in the third possible implementation In, descending scheduling signaling is sent to the small station or the first user equipment at the second moment and in descending carrier frequency range described Or before semi-static signaling, further includes:

The first control message is sent to the small station or first user equipment, so that the small station or first use Family equipment is destroyed according to first control message in second moment and the received downlink signal in up-link carrier frequency range The last one or two symbols.

According to first aspect, first aspect the first to the third possible implementation any one, the 4th In kind possible implementation, it is described the second moment and in descending carrier frequency range to the small station or the first user equipment After transmission descending scheduling signaling or semi-static signaling, further includes:

The second control message is sent to the small station or first user equipment, so that the small station or first use One time of offset in the up-link carrier frequency range of current confirmation message to be transmitted is inclined according to second control message for family equipment The confirmation message is sent after shifting value, comprising whether being used to indicate downlink signal by the small station or described in the confirmation message The second indication information that first user equipment is properly received.

According to first aspect, first aspect the first to the third possible implementation any one, the 5th In kind possible implementation, it is described the second moment and in descending carrier frequency range to the small station or the first user equipment After transmission descending scheduling signaling or semi-static signaling, further includes:

Third control message is sent to the small station or first user equipment, includes to set in the third control message The fixed cycle information for being used to indicate the small station or the first user equipment to report channel quality indicator (CQI), so that described Small station or first user equipment are according to the cycle information periodic report CQI of the CQI.

According to first aspect, first aspect the first to the 5th kind of possible implementation any one, the 6th In the possible implementation of kind, further includes:

Uplink scheduling signaling is sent in second user equipment of the third moment into the small station coverage area, so that described Second user equipment is sent out at second moment and in up-link carrier frequency range to the small station according to the uplink scheduling signaling Send uplink signal, the time difference at second moment and the third moment is j milliseconds, and j is positive integer.

According to first aspect, first aspect the first to the 6th kind of possible implementation any one, the 7th In the possible implementation of kind, also comprising passing through multiplexing demodulation and volume in the signaling for dispatching first sub-frame set The MCS that the downlink signal that code modulation scheme MCS field carries uses.

According to first aspect, first aspect the first to the 7th kind of possible implementation any one, the 8th In the possible implementation of kind, also referred to comprising passing through multiplexing demodulation in the signaling for dispatching first sub-frame set The demodulating information that the downlink signal that signal information field carries uses.

Second aspect, the embodiment of the present invention provide a kind of downlink signal transmission, comprising:

Base station is received in the first moment and the descending scheduling signaling or semi-static signaling that send in descending carrier frequency range, In, the descending scheduling signaling or semi-static signaling are for dispatching the first sub-frame set or the second sub-frame set, for dispatching the Comprising the first instruction information in the signaling of one sub-frame set, the first instruction information is used to indicate the small station or described first User equipment is at second moment and receives in up-link carrier frequency range the downlink signal that the base station sends, and described first refers to Show that information is indicated by the bit that carrier identifiers CIF field occupies, the signaling for dispatching second sub-frame set is used In the descending carrier frequency range of scheduled transmission downlink signal；

The descending scheduling signaling or semi-static signaling based on the received, at second moment and in up-link carrier frequency range It is upper to receive the base station in the second moment and the downlink signal that sends in up-link carrier frequency range；

In the first possible implementation of the second aspect, the descending scheduling signaling or semi-static based on the received Signaling receives the base station at the second moment and in up-link carrier frequency range at second moment and in up-link carrier frequency range The downlink signal of transmission, comprising:

The descending scheduling signaling or semi-static signaling based on the received, at second moment and in up-link carrier frequency range It is upper using downlink signal reception of beacons downlink signal or second moment and in up-link carrier frequency range use uplink signal Reception of beacons downlink signal.

According to the possible implementation of the first of second aspect or second aspect, in second of possible implementation In, the reception base station at the second moment and the descending scheduling signaling sent in descending carrier frequency range or semi-static signaling it Before, further includes:

The ratio of uplink subframe to downlink subframe that the base station is sent is received, and the ratio of uplink subframe to downlink subframe receives institute based on the received The downlink signal of base station transmission is stated, or,

Receive the base station destroy at second moment and the downlink signal that is sent in up-link carrier frequency range it is last The downlink signal sent after one or two symbol.

According to the possible implementation of the first of second aspect or second aspect, in the third possible implementation In, the reception base station at the second moment and the descending scheduling signaling sent in descending carrier frequency range or semi-static signaling it Before, further includes:

Receive the first control message that the base station is sent；

First control message is destroyed at second moment and is connect in the up-link carrier frequency range based on the received The last one or two symbols of the downlink signal of receipts.

According to second aspect, second aspect the first to the third possible implementation any one, the 4th In kind possible implementation, in the reception base station in the second moment and the descending scheduling letter that is sent in descending carrier frequency range After order or semi-static signaling, further includes:

Receive the second control message that the base station is sent；

Second control message deviates one in the up-link carrier frequency range of current confirmation message to be transmitted based on the received The confirmation message is sent after a time offset value, includes whether to be used to indicate downlink signal by described small in the confirmation message It stands or second indication information that first user equipment is properly received.

According to second aspect, second aspect the first to the third possible implementation any one, the 5th In kind possible implementation, in the reception base station in the second moment and the descending scheduling letter that is sent in descending carrier frequency range After order or semi-static signaling, further includes:

Receive the third control message that the base station is sent, being used to indicate comprising setting in the third control message Report the cycle information of channel quality indicator (CQI)；

The cycle information periodic report CQI of the CQI based on the received.

According to second aspect, second aspect the first to the 5th kind of possible implementation any one, the 6th In the possible implementation of kind, also comprising passing through multiplexing demodulation and volume in the signaling for dispatching first sub-frame set The MCS that the downlink signal that code modulation scheme MCS field carries uses.

According to second aspect, second aspect the first to the 6th kind of possible implementation any one, the 7th In the possible implementation of kind, also referred to comprising passing through multiplexing demodulation in the signaling for dispatching first sub-frame set The demodulating information that the downlink signal that signal information field carries uses.

The third aspect, the embodiment of the present invention provide a kind of downlink signal transmitting device, comprising:

First sending module, for the first moment and in descending carrier frequency range to the small station or the first user equipment Send descending scheduling signaling or semi-static signaling, wherein the descending scheduling signaling or semi-static signaling are for dispatching the first son Frame set or the second sub-frame set, comprising the first instruction information in the signaling for dispatching first sub-frame set, described the One instruction information is used to indicate the small station or first user equipment at second moment and in up-link carrier frequency range Downlink signal is received, the first instruction information is indicated by the bit that carrier identifiers CIF field occupies, for dispatching The signaling for stating the second sub-frame set is used for the descending carrier frequency range of scheduled transmission downlink signal；

Second sending module, for second moment and in up-link carrier frequency range to the small station or described first User equipment sends downlink signal, so that the small station or first user equipment descending scheduling signaling based on the received Or semi-static signaling at second moment and receives downlink signal in up-link carrier frequency range；

In the first possible implementation of the third aspect, second sending module is specifically used for described the Two moment and downlink is sent to the small station or first user equipment using downlink signal format in up-link carrier frequency range Signal, or,

According to the possible implementation of the first of the third aspect or the third aspect, in second of possible implementation In, second sending module, be also used to it is described the second moment and in descending carrier frequency range to the small station or first Before user equipment sends descending scheduling signaling or semi-static signaling, sent up and down to the small station or first user equipment Row subframe proportion so that the small station or first user equipment according to the ratio of uplink subframe to downlink subframe receive downlink signal or So that the small station or first user equipment send uplink signal according to the ratio of uplink subframe to downlink subframe, or,

According to the possible implementation of the first of the third aspect or the third aspect, in the third possible implementation In, second sending module is also used to set at the second moment and in descending carrier frequency range to the small station or the first user Before preparation send descending scheduling signaling or semi-static signaling, the first control is sent to the small station or first user equipment and is disappeared Breath, so that the small station or first user equipment are destroyed according to first control message at second moment and upper The last one or two symbols of received downlink signal on row carrier wave frequency range.

According to the third aspect, the third aspect the first to the third possible implementation any one, the 4th In kind possible implementation, second sending module, be also used to the second moment and in descending carrier frequency range to described After small station or the first user equipment send descending scheduling signaling or semi-static signaling, set to the small station or first user Preparation send the second control message so that the small station or first user equipment according to second control message currently to It transmits and sends the confirmation message, the confirmation message after deviating a time offset value in the up-link carrier frequency range of confirmation message In comprising being used to indicate the second indication information whether downlink signal is properly received by the small station or first user equipment.

According to the third aspect, the third aspect the first to the third possible implementation any one, the 5th In kind possible implementation, second sending module, be also used to the second moment and in descending carrier frequency range to described After small station or the first user equipment send descending scheduling signaling or semi-static signaling, set to the small station or first user Preparation send third control message, is used to indicate the small station or first user comprising setting in the third control message Equipment reporting channel quality indicates the cycle information of CQI, so that the small station or first user equipment are according to the CQI's Cycle information periodic report CQI.

According to the third aspect, the third aspect the first to the 5th kind of possible implementation any one, the 6th In kind possible implementation, first sending module, the be also used at the third moment into the small station coverage area Two user equipmenies send uplink scheduling signaling, so that the second user equipment is according to the uplink scheduling signaling described second Moment and in up-link carrier frequency range to the small station send uplink signal, the time at second moment and the third moment Difference is j milliseconds, and j is positive integer.

According to the third aspect, the third aspect the first to the 6th kind of possible implementation any one, the 7th In the possible implementation of kind, also comprising passing through multiplexing demodulation and coded modulation in the descending scheduling signaling or semi-static signaling The MCS that the downlink signal that scheme MCS field carries uses.

According to the third aspect, the third aspect the first to the 7th kind of possible implementation any one, the 8th In the possible implementation of kind, also comprising being believed by multiplexing demodulation reference signal in the descending scheduling signaling or semi-static signaling Cease the demodulating information that the downlink signal that field carries uses.

Fourth aspect, the embodiment of the present invention provide a kind of downlink signal transmitting device, comprising:

First receiving module, for receive base station the first moment and sent in descending carrier frequency range descending scheduling letter Order or semi-static signaling, wherein the descending scheduling signaling or semi-static signaling are for dispatching the first sub-frame set and the second son Frame set, comprising the first instruction information in first sub-frame set, the first instruction information be used to indicate the small station or First user equipment is at second moment and receives in up-link carrier frequency range the downlink signal that the base station sends, institute State the first instruction information is indicated by the bit that carrier identifiers CIF field occupies, for dispatching second sub-frame set Signaling be used for scheduled transmission downlink signal descending carrier frequency range；

Second receiving module, for the descending scheduling signaling or semi-static signaling based on the received, at described second It carves and receives the base station in up-link carrier frequency range in the second moment and the downlink signal that sends in up-link carrier frequency range；

In the first possible implementation of the fourth aspect, second receiving module is specifically used for according to reception The descending scheduling signaling or semi-static signaling, second moment and in up-link carrier frequency range use downlink signal lattice Formula receives downlink signal or receives downlink signal using upstream signal formats at second moment and in up-link carrier frequency range.

According to the possible implementation of the first of fourth aspect or fourth aspect, in second of possible implementation In, second receiving module is also used in the reception base station at the second moment and under sending in descending carrier frequency range Before row dispatch or semi-static signaling,

According to the possible implementation of the first of fourth aspect or fourth aspect, in the third possible implementation In, second receiving module is also used in the reception base station at the second moment and under sending in descending carrier frequency range Before row dispatch or semi-static signaling, the first control message that the base station is sent is received；Based on the received described first Control message destroy second moment and in the up-link carrier frequency range received downlink signal the last one or two A symbol.

According to fourth aspect, fourth aspect the first to the third possible implementation any one, the 4th In the possible implementation of kind, second receiving module is also used to carry in the reception base station at the second moment and in downlink After the descending scheduling signaling or semi-static signaling that send in wave frequency section, the second control message that the base station is sent is received；Root A time migration is deviated in the up-link carrier frequency range of current confirmation message to be transmitted according to received second control message The confirmation message is sent after value, comprising whether being used to indicate downlink signal by the small station or described the in the confirmation message The second indication information that one user equipment is properly received.

According to fourth aspect, fourth aspect the first to the third possible implementation any one, the 5th In the possible implementation of kind, second receiving module is also used to carry in the reception base station at the second moment and in downlink After the descending scheduling signaling or semi-static signaling that send in wave frequency section, the third control message that the base station is sent, institute are received State the cycle information for being used to indicate reporting channel quality instruction CQI in third control message comprising setting；Institute based on the received State the cycle information periodic report CQI of CQI.

According to fourth aspect, fourth aspect the first to the 5th kind of possible implementation any one, the 6th In the possible implementation of kind, also comprising passing through multiplexing demodulation and coded modulation in the descending scheduling signaling or semi-static signaling The MCS that the downlink signal that scheme MCS field carries uses.

According to fourth aspect, fourth aspect the first to the 6th kind of possible implementation any one, the 7th In the possible implementation of kind, also comprising being believed by multiplexing demodulation reference signal in the descending scheduling signaling or semi-static signaling Cease the demodulating information that the downlink signal that field carries uses.

Downlink signal transmission of the embodiment of the present invention and device, by the first moment and in descending carrier frequency range to Small station or the first user equipment send descending scheduling signaling or semi-static signaling, and at the second moment and in up-link carrier frequency range On send downlink signal to small station or the first user equipment and improved to solve the problems, such as that ascending resource utilization rate is lower The utilization rate of ascending resource, and can ensure effective transmission of the data in control channel and data channel.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.

Fig. 1 is the flow chart of downlink signal transmission provided by the embodiment of the present invention one；

Fig. 2 is the flow chart of downlink signal transmission provided by the embodiment of the present invention two；

Fig. 3 is the flow chart of downlink signal transmission provided by the embodiment of the present invention three；

Fig. 4 is the flow chart of downlink signal transmission provided by the embodiment of the present invention four；

Fig. 5 is the structural schematic diagram of downlink signal transmitting device 500 provided by the embodiment of the present invention five；

Fig. 6 is the structural schematic diagram of downlink signal transmitting device 600 provided by the embodiment of the present invention six.

Specific embodiment

In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.

Fig. 1 is the flow chart of downlink signal transmission provided by the embodiment of the present invention one.The method of the present embodiment is suitable The case where for utilizing ascending resource transmission of downlink signal in LTE-FDD system.This method is held by downlink signal transmitting device Row, the device are realized usually in a manner of hardware and/or software.The method of the present embodiment includes the following steps:

110, descending scheduling signaling is sent to small station or the first user equipment at the first moment and in descending carrier frequency range Or semi-static signaling, wherein descending scheduling signaling or semi-static signaling are used to dispatch the first sub-frame set or the second sub-frame set, Comprising the first instruction information in signaling for dispatching the first sub-frame set, the first instruction information is used to indicate small station or the first use Family equipment receives downlink signal at the second moment and in up-link carrier frequency range, and first indicates that information passes through carrier identifiers CIF The bit that field occupies indicates that the signaling for dispatching the second sub-frame set is used for the descending carrier of scheduled transmission downlink signal Frequency range.

120, downlink signal is sent to small station or the first user equipment at the second moment and in up-link carrier frequency range, so that Small station or the first user equipment based on the received descending scheduling signaling or semi-static signaling at the second moment and in up-link carrier frequency Downlink signal is received in section.

It, cannot due to being to send downlink signal to small station or the first user equipment by descending carrier frequency range in the prior art The up-link carrier resource of frequency range is made full use of, by using at the second moment and in up-link carrier frequency range to small station or first in 120 Family equipment sends downlink signal, and by sending at the first moment and in descending carrier frequency range to small station or the first user equipment Descending scheduling signaling or semi-static signaling in include first instruction information instruction small station or the first user equipment at second It carves and receives downlink signal in up-link carrier frequency range, therefore take full advantage of the resource of uplink band, and ensure that control letter Effective transmission of the data in road and data channel.

Specifically, sending descending scheduling to small station or the first user equipment at the first moment and in descending carrier frequency range Signaling or semi-static signaling, wherein descending scheduling signaling or semi-static signaling are for dispatching the first sub-frame set or the second subframe Set, comprising the first instruction information in the signaling for dispatch the first sub-frame set, first indicate information be used to indicate small station or First user equipment receives downlink signal at the second moment and in up-link carrier frequency range, and first indicates that information passes through carrier identification According with the bit that CIF field occupies indicates, for dispatching the signaling of the second sub-frame set under scheduled transmission downlink signal Row carrier wave frequency range sends downlink signal to small station or the first user equipment at the second moment and in up-link carrier frequency range, so that Small station or the first user equipment based on the received descending scheduling signaling or semi-static signaling at the second moment and in up-link carrier frequency Downlink signal is received in section, wherein the time difference at the second moment and the first moment is i milliseconds, and i is the integer more than or equal to 0.

Downlink signal transmission provided in this embodiment, by the first moment and in descending carrier frequency range to small station Or first user equipment send descending scheduling signaling or semi-static signaling, wherein descending scheduling signaling or semi-static signaling are used for Dispatch the first sub-frame set and the second sub-frame set, in the signaling for dispatching the first sub-frame set comprising be used to indicate small station or First user equipment is at the second moment and receives in up-link carrier frequency range the first instruction information of downlink signal, and second Moment and downlink signal is sent to small station or the first user equipment in up-link carrier frequency range, to solve ascending resource utilization The lower problem of rate improves the utilization rate of ascending resource, and can ensure having for data in control channel and data channel Effect transmission.

Fig. 2 is the flow chart of downlink signal transmission provided by the embodiment of the present invention two.Referring to Fig. 2, the present embodiment Method may include:

210, base station is received in the first moment and the descending scheduling signaling sent in descending carrier frequency range or semi-static letter It enables, wherein descending scheduling signaling or semi-static signaling are for dispatching the first sub-frame set or the second sub-frame set, for dispatching the Comprising the first instruction information in the signaling of one sub-frame set, the first instruction information is used to indicate small station or the first user equipment the Two moment and the downlink signal that base station transmission is received in up-link carrier frequency range, the first instruction information pass through carrier identifiers CIF The bit that field occupies indicates that the signaling for dispatching the second sub-frame set is used for the descending carrier of scheduled transmission downlink signal Frequency range.

220, descending scheduling signaling or semi-static signaling based on the received, connect at the second moment and in up-link carrier frequency range Base station is received in the second moment and the downlink signal that sends in up-link carrier frequency range.

It, can only after receiving descending scheduling signaling or semi-static signaling due to prior art middle and small stations or the first user equipment It is that descending scheduling signaling or semi-static signaling send downlink signal based on the received, downlink letter is received in descending carrier frequency range Number, therefore the up-link carrier resource of frequency range cannot be made full use of, pass through descending scheduling signaling or semi-static letter based on the received in 220 It enables, descending scheduling signaling or semi-static signaling are for dispatching the first sub-frame set and the second sub-frame set, wherein for dispatching the Comprising the first instruction information in the signaling of one sub-frame set, indicate small station or the first user equipment the by the first instruction information Two moment and the downlink signal that base station transmission is received in up-link carrier frequency range, take full advantage of the resource of uplink band, and protect Effective transmission of the data of control channel and data channel is demonstrate,proved.

Specifically, it is quiet in the first moment and the descending scheduling signaling sent in descending carrier frequency range or half to receive base station State signaling, descending scheduling signaling or semi-static signaling, receive base at the second moment and in up-link carrier frequency range based on the received It stands in the second moment and the downlink signal that is sent in up-link carrier frequency range.

Downlink signal transmission provided in this embodiment, by receiving base station at the first moment and in descending carrier frequency range The descending scheduling signaling or semi-static signaling of upper transmission, descending scheduling signaling or semi-static signaling based on the received, at second It carves and receives base station in up-link carrier frequency range in the second moment and the downlink signal that sends in up-link carrier frequency range, to mention The high utilization rate of ascending resource, and can ensure effective transmission of the data in control channel and data channel.

Fig. 3 is the flow chart of downlink signal transmission provided by the embodiment of the present invention three.With macro base in the present embodiment The second user equipment at from the third moment to small station coverage area of standing sends uplink scheduling signaling, and at the first moment to the One user equipment introduces downlink signal transmission for sending descending scheduling signaling and downlink signal.And since macro base station exists Small station also will receive the downlink signal that macro base station is sent when second moment sent downlink signal to the first user equipment, for small station For, received macro base station at the second moment and the downlink signal that is sent in up-link carrier frequency range for its received second The uplink signal that user equipment is sent is interference signal, therefore small station can carry out interference deletion (Interference Cancellation, abbreviation IC) enhance receptivity, i.e., the downlink signal that received macro base station is sent is deleted and is connect to enhance Receive performance.Referring to Fig. 3, the method for the present embodiment may include:

301, macro base station sends uplink scheduling signaling in second user equipment of the third moment into small station coverage area.

Macro base station sends uplink scheduling signaling in second user equipment of the third moment into small station coverage area, so that the Two user equipmenies according to uplink scheduling signaling the second moment and in up-link carrier frequency range to small station send uplink signal, second The time difference at moment and third moment is j milliseconds, and j is positive integer.

302, second user equipment is sent out at the second moment and in up-link carrier frequency range to small station according to uplink scheduling signaling Send uplink signal, the time difference at the second moment and the first moment is i millisecond, and i is the integer more than or equal to 0.

Second user equipment uplink scheduling signaling at the second moment and under using in up-link carrier frequency range based on the received Row signal format to small station send uplink signal, or, second user equipment based on the received uplink scheduling signaling at the second moment And uplink signal is sent to small station using upstream signal formats in up-link carrier frequency range.It should be noted that if second user Equipment sends uplink signal to small station using downlink signal format at the second moment and in up-link carrier frequency range, then small station is the Two moment and the uplink signal sent in up-link carrier frequency range using downlink signal reception of beacons second user equipment；If second User equipment sends uplink signal to small station using upstream signal formats at the second moment and in up-link carrier frequency range, then small station The uplink signal that second user equipment is sent is received using upstream signal formats at the second moment and in up-link carrier frequency range.

303, macro base station sends ratio of uplink subframe to downlink subframe to the first user equipment.

Macro base station sends ratio of uplink subframe to downlink subframe to the first user equipment, so that the first user equipment is upper and lower based on the received Row subframe proportion receives the downlink signal that macro base station is sent, or so that the first user equipment ratio of uplink subframe to downlink subframe based on the received Uplink signal is sent to macro base station.

304, macro base station sends the first control message to the first user equipment.

Macro base station can destroy at the second moment and the downlink signal that is sent in up-link carrier frequency range the last one or Downlink signal is sent to the first user equipment again after two symbols, and macro base station can send the first control to the first user equipment Message processed, so that the first user equipment based on the received destroy at the second moment and in up-link carrier frequency range by the first control message The last one or two symbols of the downlink signal that received macro base station is sent realize synchronization.

It destroys it should be noted that macro base station passes through in the second moment and the downlink signal that is sent in up-link carrier frequency range The last one or two symbols after send downlink signal to the first user equipment again, can also to avoid detection reference signal by The interference for the downlink signal that macro base station is sent, for example, since macro base station can dispatch the detection of the first user equipment periodicity sending Reference signal measures uplink signal-channel quality, the up-link carrier that it is therefore possible to occur to be used as transmitting detection reference signal originally Transmission of downlink signal is used to by macro base station, and the first user equipment is made not have available resource to send detection reference signal Situation, for avoid it is such happen, macro base station can be destroyed in the second moment and the downlink that sends in up-link carrier frequency range Downlink signal is sent to the first user equipment again after the last one or two symbols of signal, even last 1 or 2 symbols Data are not transmitted, the measurement and the data receiver that influence channel quality are avoided.

305, macro base station is in the first moment and the first user equipment hair in descending carrier frequency range into its coverage area Send descending scheduling signaling or semi-static signaling.

Wherein, descending scheduling signaling or semi-static signaling are used for for dispatching the first sub-frame set or the second sub-frame set It dispatches comprising the first instruction information in the signaling of the first sub-frame set, the first instruction information is used to indicate small station or the first user sets Standby to receive downlink signal at the second moment and in up-link carrier frequency range, first indicates that information passes through carrier identifiers CIF field The bit of occupancy indicates, for dispatching descending carrier frequency of the signaling for scheduled transmission downlink signal of the second sub-frame set The time difference at section, the second moment and the first moment is i milliseconds, and i is the integer more than or equal to 0.For example, CIF information occupies 3 at present Bit can indicate 8 states altogether, currently used wherein 5 states polymerize for carrier wave, therefore remaining state can be used To indicate the first instruction information.Also, due to macro base station the second moment and in up-link carrier frequency range to the first user equipment Mode downlink and uplink, the downlink for sending downlink signal are respectively adopted single layer transmission, therefore descending scheduling signaling or half quiet It can also be used comprising the downlink signal carried by the demodulation coded modulation scheme MCS field of the multiplexing second layer in state signaling MCS.Also, it can also be comprising being taken by multiplexing demodulation reference signal information field in descending scheduling signaling or semi-static signaling The demodulating information that the downlink signal of band uses.

It should be noted that macro base station sends downlink to the first user equipment at the second moment and in up-link carrier frequency range Signal can be accomplished in that

Macro base station is sent using downlink signal format to the first user equipment at the second moment and in up-link carrier frequency range Downlink signal sends downlink to the first user equipment using upstream signal formats at the second moment and in up-link carrier frequency range Signal.It should be noted that if macro base station uses downlink signal format to first at the second moment and in up-link carrier frequency range User equipment send downlink signal, then the first user equipment the second moment and in up-link carrier frequency range use downlink signal lattice Formula receives the downlink signal that macro base station is sent；If macro base station the second moment and in up-link carrier frequency range use uplink signal lattice Formula sends downlink signal to the first user equipment, then the first user equipment the second moment and in up-link carrier frequency range using upper Row signal format receives the downlink signal that macro base station is sent.

306, downlink signal is sent to the first user equipment at the second moment and in up-link carrier frequency range.

It should be noted that due to when macro base station sends downlink signal to the first user equipment in 306, in coverage area Small station can also receive the downlink signal of macro base station transmission, as shown in Figure 3, by with the void between macro base station and small station Line is come when indicating that macro base station sends downlink signal to the first user equipment, the small station in macro base station coverage area also has received macro The downlink signal that base station is sent.

307, macro base station sends the second control message to the first user equipment.

Macro base station sends the second control message to the first user equipment, so that the second control based on the received of the first user equipment Message processed sends confirmation message after deviating a time offset value in the up-link carrier frequency range of current confirmation message to be transmitted, really Recognize in message comprising being used to indicate the second indication information whether downlink signal is properly received by the first user equipment.

Since whether the first user equipment is properly received downlink signal, meeting respective feedback confirmation/negative in uplink signal Property confirmation (Acknowledgement/Negative Acknowledgement, abbreviation ACK/NACK) information to macro base station, this Due to may cause and be used to transmit ACK/NACK information originally using downlink signal is sent in up-link carrier frequency range in embodiment Up-link carrier it is occupied, the case where causing not have resource to send ACK/NACK information.To avoid the occurrence of the situation, macro base It stands and one time offset value of the first user equipment is notified by the second control message, the first user equipment is in current ACK/ to be transmitted Directly lead to macro base station transmission ACK/NACK information or macro base station again after deviating a time offset value in the resource of nack message Know that the first user equipment sends ACK/NACK information to macro base station in specific resource.

308, macro base station receives the confirmation message that the first user equipment is sent, and includes the first instruction information in confirmation message, Whether the downlink signal that the first instruction information is used to indicate macro base station transmission is properly received by the first user equipment.

309, macro base station sends third control message to the first user equipment.

Macro base station sends third control message to the first user equipment, so that the first user equipment is according to third control message To macro base station periodic report channel quality indicator (CQI), the first user equipment is used to indicate comprising setting in third control message The cycle information of CQI is reported, so that cycle information periodic report CQI of first user equipment according to CQI.In the present embodiment due to Using the transmission mode for sending downlink signal in up-link carrier frequency range, the period for the reserved resource of the transmission mode is 8 Subframe avoids convenient for maintaining backwards compatibility as far as possible to Physical Uplink Control Channel (Physical Uplink Control Channel, referred to as: PUCCH) influence.For example, the first user equipment of setting can be passed through for PUCCH format 2 and 3 The report cycle of CQI is avoided transmitting CQI using the up-link carrier for sending downlink signal.

310, the first user equipment is indicated according to third control message to macro base station periodic report channel quality.

First user equipment receives the third control message that macro base station is sent, and is used in third control message comprising setting Indicate the cycle information of the first user equipment to report channel quality indicator (CQI), and according to the cycle information of CQI to the macro base station period Report CQI.

By 301~310, macro base station can use the up-link carrier of the FDD of our station free time to send downlink signal, dispatch First user equipment is at the second moment and receives in up-link carrier frequency range the downlink signal that macro base station sends, and by the Three moment dispatched second user equipment and send uplink signal to small station in up-link carrier frequency range.Since small station connects at the second moment The uplink signal that second user equipment is sent according to the uplink scheduling signaling received at the third moment at the second moment is had received, and And due to small station the second moment also have received macro base station transmission downlink signal, it is received for small station The downlink signal that macro base station is sent is interference signal for the uplink signal that its received second user equipment is sent, therefore Small station can carry out IC to enhance receptivity, i.e., delete the downlink signal that received macro base station is sent to enhance acceptance Energy.

Downlink signal transmission provided in this embodiment passes through the second use at the third moment into small station coverage area Family equipment sends uplink scheduling signaling, sends descending scheduling to the first user equipment at the first moment and in descending carrier frequency range Signaling or semi-static signaling, and downlink signal is sent to the first user equipment at the second moment and in up-link carrier frequency range, To solve the problems, such as that ascending resource utilization rate is lower, the utilization rate of ascending resource is improved, and can ensure control channel With effective transmission of the data on data channel, and small station can by delete the downlink signal that received macro base station is sent come Enhance receptivity.

Fig. 4 is the flow chart of downlink signal transmission provided by the embodiment of the present invention four.With macro base in the present embodiment The second user equipment at from the third moment to small station coverage area of standing sends uplink scheduling signaling, and at the first moment to small station It sends descending scheduling signaling and introduces downlink signal transmission for the second moment sent downlink signal to small station.To real Multiple-input and multiple-output (Multiple Input Multiple Output, the abbreviation MIMO) performance in existing small station.Referring to Fig. 4, originally The method of embodiment may include:

401, macro base station sends uplink scheduling signaling in second user equipment of the third moment into small station coverage area.

Macro base station sends uplink scheduling signaling in second user equipment of the third moment into small station coverage area, so that the Two user equipmenies send uplink signal, third to small station at the second moment and in up-link carrier frequency range according to uplink scheduling signaling The time difference at moment and the first moment is j milliseconds, and j is positive integer.

402, second user equipment is sent out at the second moment and in up-link carrier frequency range to small station according to uplink scheduling signaling Send uplink signal.

Second user equipment according to uplink scheduling signaling the second moment and in up-link carrier frequency range use downlink signal Format sends uplink signal to small station, or, second user equipment is according to uplink scheduling signaling at the second moment and in up-link carrier Uplink signal is sent to small station using upstream signal formats in frequency range.It should be noted that if second user equipment is at second It carves and uplink signal is sent to small station using downlink signal format in up-link carrier frequency range, then small station is at the second moment and upper The uplink signal sent on row carrier wave frequency range using downlink signal reception of beacons second user equipment；If second user equipment is Two moment and send uplink signal to small station using upstream signal formats in up-link carrier frequency range, then small station at the second moment and The uplink signal that second user equipment is sent is received using upstream signal formats in up-link carrier frequency range.

403, macro base station sends ratio of uplink subframe to downlink subframe to small station.

Macro base station sends ratio of uplink subframe to downlink subframe to small station, sends out so that small station receives macro base station according to ratio of uplink subframe to downlink subframe The downlink signal that send or so that small station sends uplink signal to macro base station according to ratio of uplink subframe to downlink subframe.

404, macro base station sends the first control message to small station.

Macro base station can destroy at the second moment and the downlink signal that is sent in up-link carrier frequency range the last one or After two symbols again to small station send downlink signal, and macro base station to small station send the first control message so that small station according to Received first control message is destroyed in the second moment and received macro base station is sent in up-link carrier frequency range downlink signal The last one or two symbols realize synchronization.

It destroys it should be noted that macro base station passes through in the second moment and the downlink signal that is sent in up-link carrier frequency range The last one or two symbols after send downlink signal to small station again, can also be sent out to avoid detection reference signal by macro base station The interference of the downlink signal sent, for example, being measured since macro base station can dispatch small station periodicity sending detection reference signal Row channel quality, it is therefore possible to occur to be used as transmitting originally the up-link carrier of detection reference signal to be used to transmit by macro base station Downlink signal, and small station is made not have available resource come the case where sending detection reference signal, for avoid it is such happen, Macro base station can destroy the last one or two symbols in the second moment and the downlink signal that sends in up-link carrier frequency range Downlink signal is sent to small station again afterwards, even last 1 or 2 symbols do not transmit data, avoids the survey of influence channel quality Amount and data receiver.

405, macro base station is in the first moment and the small station transmission downlink tune in descending carrier frequency range into its coverage area Spend signaling or semi-static signaling.

Wherein, descending scheduling signaling or semi-static signaling are used for for dispatching the first sub-frame set or the second sub-frame set Dispatch comprising the first instruction information in the signaling of the first sub-frame set, the first instruction information be used to indicate small station at the second moment and Downlink signal is received in up-link carrier frequency range, the first instruction information passes through the bit table that carrier identifiers CIF field occupies Show, the signaling for dispatching the second sub-frame set is used for the descending carrier frequency range of scheduled transmission downlink signal, the second moment and the The time difference at one moment is i milliseconds, and i is the integer more than or equal to 0.For example, 3 bits of CIF information occupancy can indicate 8 altogether at present A state, currently used wherein 5 states for carrier wave polymerize, therefore can be used remaining state come indicate the first instruction believe Breath.Also, due to macro base station the second moment and in up-link carrier frequency range to small station send downlink signal mode under uplink Single layer transmission is respectively adopted in link, downlink, therefore can also be comprising by multiple in descending scheduling signaling or semi-static signaling The MCS used with the downlink signal that the demodulation coded modulation scheme MCS field of the second layer carries.Also, descending scheduling signaling Or the demodulation that can also be used comprising the downlink signal carried by multiplexing demodulation reference signal information field in semi-static signaling Information.

It should be noted that macro base station the second moment and send downlink signal to small station in up-link carrier frequency range can be with It is to realize in the following way:

Macro base station sends downlink signal to small station using downlink signal format at the second moment and in up-link carrier frequency range Or downlink signal is sent to small station using upstream signal formats at the second moment and in up-link carrier frequency range.It needs to illustrate It is, if macro base station sends downlink signal to small station using downlink signal format at the second moment and in up-link carrier frequency range, Small station the second moment and in up-link carrier frequency range using downlink signal reception of beacons macro base station send downlink signal；If macro Base station sends downlink signal to small station using upstream signal formats at the second moment and in up-link carrier frequency range, then small station is the Two moment and the downlink signal for receiving macro base station transmission using upstream signal formats in up-link carrier frequency range.

406, downlink signal is sent to small station at the second moment and in up-link carrier frequency range.

407, macro base station sends the second control message to small station.

Macro base station sends the second control message to small station so that small station based on the received the second control message current to be passed Confirmation message is sent after deviating a time offset value in the up-link carrier frequency range of defeated confirmation message, includes to be used in confirmation message The second indication information whether indicating downlink signal is properly received by small station.

Since whether small station is properly received downlink signal, respective feedback ACK/NACK information macro base can be given in uplink signal It stands, due to may cause and be used to transmit ACK/ originally using downlink signal is sent in up-link carrier frequency range in the present embodiment The up-link carrier of nack message is occupied, leads to do not have the case where resource sends ACK/NACK information.To avoid the occurrence of this Situation, macro base station notify one, small station time offset value by the second control message, and small station is believed in ACK/NACK to be transmitted at present Transmitting ACK/NACK information or macro base station again after one time offset value of offset in the resource of breath directly notifies small station specific ACK/NACK information is sent in resource.

408, macro base station receives the confirmation message that small station is sent, and includes the first instruction information, the first instruction in confirmation message Whether the downlink signal that information is used to indicate macro base station transmission is properly received by small station.

409, macro base station sends third control message to small station.

Macro base station sends third control message to small station, so that third control message is all to macro base station based on the received in small station Phase reporting channel quality indicates CQI, includes the cycle information for being used to indicate small station and reporting CQI of setting in third control message, So that cycle information periodic report CQI of the small station according to CQI.Due to using under the transmission in up-link carrier frequency range in the present embodiment The transmission mode of row signal, the period for the reserved resource of the transmission mode is 8 subframes, convenient for maintaining backward compatibility as far as possible Property, avoid the influence to PUCCH.For example, can be kept away by the way that the report cycle of the CQI in small station is arranged for PUCCH format 2 and 3 It opens using the up-link carrier for sending downlink signal and transmits CQI.

410, third control message is indicated to macro base station periodic report channel quality based on the received in small station.

Small station receives the third control message that macro base station is sent, and is used to indicate small station comprising setting in third control message Reporting channel quality indicates the cycle information of CQI, and according to third control message to macro base station periodic report CQI.

By 401~410, macro base station can use the up-link carrier of the FDD of our station free time to send downlink signal, dispatch Small station is at the second moment and receives in up-link carrier frequency range the downlink signal that macro base station sends, and by third moment tune Spend second user equipment, make second user equipment according to uplink scheduling signaling the second moment and in up-link carrier frequency range to small It stands and sends uplink signal, to realize the MIMO performance in small station, i.e. small station can receive macro base station at the second moment simultaneously and send Downlink signal and second user equipment send uplink signal.

Downlink signal transmission provided in this embodiment passes through the second use at the third moment into small station coverage area Family equipment sends uplink scheduling signaling, sends descending scheduling signaling or half to small station at the first moment and in descending carrier frequency range Static signaling, and downlink signal is sent to small station at the second moment and in up-link carrier frequency range, to solve uplink money The lower problem of source utilization rate improves the utilization rate of ascending resource, and can ensure to control the effective of information and business datum Transmission, and also achieve the MIMO performance in small station.

Fig. 5 is the structural schematic diagram of downlink signal transmitting device 500 provided by the embodiment of the present invention five.The present embodiment The case where device LTE-FDD system suitable for utilizing ascending resource transmission of downlink signal.The device usually with hardware and/or The mode of software is realized.Referring to Fig. 5, which includes following module: the first sending module 510 and the second sending module 520.

First sending module 510 is used to send out at the first moment and in descending carrier frequency range to small station or the first user equipment Send descending scheduling signaling or semi-static signaling, wherein descending scheduling signaling or semi-static signaling are for dispatching the first sub-frame set Or second sub-frame set, comprising the first instruction information in the signaling for dispatching the first sub-frame set, the first instruction information is used for Instruction small station or the first user equipment receive downlink signal at the second moment and in up-link carrier frequency range, and first indicates that information is logical The bit for crossing carrier identifiers CIF field occupancy indicates, for dispatching the signaling of the second sub-frame set under scheduled transmission The descending carrier frequency range of row signal；Second sending module 520 be used for the second moment and in up-link carrier frequency range to small station or First user equipment sends downlink signal, so that small station or the first user equipment descending scheduling signaling or semi-static based on the received Signaling receives downlink signal at the second moment and in up-link carrier frequency range, wherein the time difference at the second moment and the first moment It is i milliseconds, i is the integer more than or equal to 0.

Further, the second sending module 520 be specifically used for the second moment and in up-link carrier frequency range use downlink Signal format sends downlink signal to small station or the first user equipment, or, using at the second moment and in up-link carrier frequency range Upstream signal formats send downlink signal to small station or the first user equipment.

Further, the second sending module 520 be also used to the second moment and in descending carrier frequency range to small station or Before first user equipment sends descending scheduling signaling or semi-static signaling,

Ratio of uplink subframe to downlink subframe is sent to small station or the first user equipment, so that small station or the first user equipment are according to up and down Row subframe proportion receives downlink signal or so that small station or the first user equipment sends uplink signal according to ratio of uplink subframe to downlink subframe, Or,

Destroy the last one or two symbols in the second moment and the downlink signal that sends in up-link carrier frequency range.

Further, the second sending module 520 be also used to the second moment and in descending carrier frequency range to small station or Before one user equipment sends descending scheduling signaling or semi-static signaling, the first control is sent to small station or the first user equipment and is disappeared Breath, so that small station or the first user equipment are destroyed at the second moment according to the first control message and received in up-link carrier frequency range Downlink signal the last one or two symbols.

Further, the second sending module 520 be also used to the second moment and in descending carrier frequency range to small station or After one user equipment sends descending scheduling signaling or semi-static signaling, the second control is sent to small station or the first user equipment and is disappeared Breath, so that small station or the first user equipment are according to the second control message in the up-link carrier frequency range of current confirmation message to be transmitted It deviates and sends confirmation message after a time offset value, comprising whether being used to indicate downlink signal by small station or the in confirmation message The second indication information that one user equipment is properly received.

Further, the second sending module 520 be also used to the second moment and in descending carrier frequency range to small station or After one user equipment sends descending scheduling signaling or semi-static signaling, third control is sent to small station or the first user equipment and is disappeared It ceases, the week for being used to indicate small station or the first user equipment to report channel quality indicator (CQI) comprising setting in third control message Phase information, so that the cycle information periodic report CQI of small station or the first user equipment according to CQI.

Further, the first sending module 510 is also used to set in second user of the third moment into small station coverage area Preparation serves row dispatch, so that second user equipment is according to uplink scheduling signaling at the second moment and in up-link carrier frequency range On to small station send uplink signal, the time difference at the second moment and third moment is j milliseconds, and j is positive integer.

It further, also include to pass through multiplexing demodulation and coded modulation scheme in descending scheduling signaling or semi-static signaling The MCS that the downlink signal that MCS field carries uses.

It further, also include to pass through multiplexing demodulation reference signal information field in descending scheduling signaling or semi-static signaling The demodulating information that the downlink signal of carrying uses.

Downlink signal transmitting device provided in this embodiment passes through the second use at the first moment into small station coverage area Family equipment sends uplink scheduling signaling, under sending at the second moment and to small station or the first user equipment in descending carrier frequency range Row dispatch or semi-static signaling, and sent out at the second moment and in up-link carrier frequency range to small station or the first user equipment Downlink signal is sent, to solve the problems, such as that ascending resource utilization rate is lower, improves the utilization rate of ascending resource, and can be true Protect effective transmission of control channel and the data on data channel.

Fig. 6 is the structural schematic diagram of downlink signal transmitting device 600 provided by the embodiment of the present invention six.The present embodiment The case where device LTE-FDD system suitable for utilizing ascending resource transmission of downlink signal.The device usually with hardware and/or The mode of software is realized.Referring to Fig. 6, which includes following module: the first receiving module 610 and the second receiving module 620.

First receiving module 610 is used to receive base station in the first moment and the descending scheduling that sends in descending carrier frequency range Signaling or semi-static signaling, wherein descending scheduling signaling or semi-static signaling are for dispatching the first sub-frame set and the second subframe Gather, comprising the first instruction information in the first sub-frame set, the first instruction information is used to indicate small station or the first user equipment exists Second moment and the downlink signal that base station transmission is received in up-link carrier frequency range, the first instruction information pass through carrier identifiers The bit that CIF field occupies indicates that the signaling for dispatching the second sub-frame set is used for the downlink of scheduled transmission downlink signal Carrier wave frequency range；Second receiving module 620 for descending scheduling signaling or semi-static signaling based on the received, the second moment and Base station is received in up-link carrier frequency range in the second moment and the downlink signal that sends in up-link carrier frequency range, wherein when second Carving with the time difference at the first moment is i milliseconds, and i is the integer more than or equal to 0.

Further, the second receiving module 620 is specifically used for descending scheduling signaling or semi-static signaling based on the received, Second moment and in up-link carrier frequency range using downlink signal reception of beacons downlink signal or the second moment and uplink carry Downlink signal is received using upstream signal formats in wave frequency section.

Further, the second receiving module 620 is also used to receiving base station at the second moment and in descending carrier frequency range Before the descending scheduling signaling or semi-static signaling of transmission,

The ratio of uplink subframe to downlink subframe that base station is sent is received, and ratio of uplink subframe to downlink subframe receives what base station was sent based on the received Downlink signal, or,

Receive base station destroy at the second moment and the downlink signal that is sent in up-link carrier frequency range the last one or two The downlink signal sent after a symbol.

Optionally, the second receiving module 620 is also used to send out at the second moment and in descending carrier frequency range in reception base station Before the descending scheduling signaling or semi-static signaling sent, the first control message that base station is sent is received；First control based on the received Message processed destroy the second moment and in up-link carrier frequency range received downlink signal the last one or two symbols.

Further, the second receiving module 620 is also used to receiving base station at the second moment and in descending carrier frequency range After the descending scheduling signaling or semi-static signaling of transmission, the second control message that base station is sent is received；Based on the received second Control message sends confirmation message after deviating a time offset value in the up-link carrier frequency range of current confirmation message to be transmitted, Comprising being used to indicate the second indication information whether downlink signal is properly received by small station or the first user equipment in confirmation message.

Further, the second receiving module 620 is also used to receiving base station at the second moment and in descending carrier frequency range After the descending scheduling signaling or semi-static signaling of transmission, the third control message that base station is sent is received, in third control message The cycle information for being used to indicate reporting channel quality instruction CQI comprising setting；Based on the received on the cycle information period of CQI Report CQI.

Downlink signal transmitting device provided in this embodiment, by receiving base station at the second moment and in descending carrier frequency range The descending scheduling signaling or semi-static signaling of upper transmission, descending scheduling signaling or semi-static signaling based on the received, at second It carves and receives base station in up-link carrier frequency range in the second moment and the downlink signal that sends in up-link carrier frequency range, to mention The high utilization rate of ascending resource, and can ensure effective transmission of the data in control channel and data channel.

The present embodiment is a kind of downlink signal transmitting device that the embodiment of the present invention seven provides, which includes transmitter.

Transmitter is used to send downlink tune to small station or the first user equipment at the first moment and in descending carrier frequency range Spend signaling or semi-static signaling, wherein descending scheduling signaling or semi-static signaling are for dispatching the first sub-frame set or the second son Frame set, comprising the first instruction information in the signaling for dispatching the first sub-frame set, the first instruction information is used to indicate small station Or first user equipment receive at the second moment and in up-link carrier frequency range downlink signal, the first instruction information passes through carrier wave mark Knowing the bit that symbol CIF field occupies indicates, for dispatching the signaling of the second sub-frame set for scheduled transmission downlink signal Descending carrier frequency range；Downlink signal is sent to small station or the first user equipment at the second moment and in up-link carrier frequency range, with Make small station or the first user equipment based on the received descending scheduling signaling or semi-static signaling at the second moment and in up-link carrier Downlink signal is received in frequency range, wherein the time difference at the second moment and the first moment is i milliseconds, and i is the integer more than or equal to 0.

Further, transmitter be specifically used for the second moment and in up-link carrier frequency range using downlink signal format to Small station or the first user equipment send downlink signal, or, using at the second moment and in up-link carrier frequency range uplink signal lattice Formula sends downlink signal to small station or the first user equipment.

Further, transmitter is also used to set at the second moment and in descending carrier frequency range to small station or the first user Before preparation send descending scheduling signaling or semi-static signaling,

Further, transmitter be also used to the second moment and in descending carrier frequency range to small station or the first user equipment Before sending descending scheduling signaling or semi-static signaling, the first control message is sent to small station or the first user equipment, so that small It stands or the first user equipment is destroyed according to the first control message at the second moment and received downlink is believed in up-link carrier frequency range Number the last one or two symbols.

Further, transmitter be also used to the second moment and in descending carrier frequency range to small station or the first user equipment After sending descending scheduling signaling or semi-static signaling, the second control message is sent to small station or the first user equipment, so that small It stands or the first user equipment is according to the offset one in the up-link carrier frequency range of current confirmation message to be transmitted of the second control message Confirmation message is sent after time offset value, includes to be used to indicate whether downlink signal is set by small station or the first user in confirmation message The standby second indication information being properly received.

Further, transmitter be also used to the second moment and in descending carrier frequency range to small station or the first user equipment After sending descending scheduling signaling or semi-static signaling, third control message, third control are sent to small station or the first user equipment The cycle information for being used to indicate small station or the first user equipment to report channel quality indicator (CQI) comprising setting in message processed, with Make small station or the first user equipment according to the cycle information periodic report CQI of CQI.

Further, transmitter is also used to the second user equipment at the third moment into small station coverage area and sends uplink Dispatch, so that second user equipment is sent out at the second moment and in up-link carrier frequency range to small station according to uplink scheduling signaling Send uplink signal, the time difference of the second moment and third time is j milliseconds, and j is positive integer.

The present embodiment is another downlink signal transmitting device that the embodiment of the present invention eight provides, which includes receiving Device.

Receiver is used to receive base station in the first moment and the descending scheduling signaling sent in descending carrier frequency range or half Static signaling, wherein descending scheduling signaling or semi-static signaling are used for for dispatching the first sub-frame set or the second sub-frame set It dispatches comprising the first instruction information in the signaling of the first sub-frame set, the first instruction information is used to indicate small station or the first user sets Standby to receive at the second moment and in up-link carrier frequency range the downlink signal that base station sends, the first instruction information passes through carrier identification According with the bit that CIF field occupies indicates, for dispatching the signaling of the second sub-frame set under scheduled transmission downlink signal Row carrier wave frequency range；Descending scheduling signaling or semi-static signaling based on the received connect at the second moment and in up-link carrier frequency range Base station is received in the second moment and the downlink signal that sends in up-link carrier frequency range, wherein the second moment and the first moment when Between difference be i millisecond, i is integer more than or equal to 0.

Further, receiver is specifically used for descending scheduling signaling or semi-static signaling based on the received, at the second moment And using downlink signal reception of beacons downlink signal in up-link carrier frequency range or at the second moment and in up-link carrier frequency range Downlink signal is received using upstream signal formats.

Further, receiver is also used to receiving base station in the second moment and the downlink that sends in descending carrier frequency range Before dispatch or semi-static signaling,

Optionally, receiver is also used to receiving base station in the second moment and the downlink tune that sends in descending carrier frequency range It spends before signaling or semi-static signaling, receives the first control message that base station is sent；The first control message is destroyed based on the received The second moment and in up-link carrier frequency range received downlink signal the last one or two symbols.

Further, receiver is also used to receiving base station in the second moment and the downlink that sends in descending carrier frequency range After dispatch or semi-static signaling, the second control message that base station is sent is received；The second control message exists based on the received It is deviated in the up-link carrier frequency range of current confirmation message to be transmitted and sends confirmation message after a time offset value, in confirmation message The second indication information whether being properly received by small station or the first user equipment comprising being used to indicate downlink signal.

Further, receiver is also used to receiving base station in the second moment and the downlink that sends in descending carrier frequency range After dispatch or semi-static signaling, the third control message that base station is sent is received, includes setting in third control message It is used to indicate the cycle information of reporting channel quality instruction CQI；The cycle information periodic report CQI of CQI based on the received.

Downlink signal transmitting device provided in this embodiment, by receiving base station at the first moment and in descending carrier frequency range The descending scheduling signaling or semi-static signaling of upper transmission, descending scheduling signaling or semi-static signaling based on the received, at second It carves and receives base station in up-link carrier frequency range in the second moment and the downlink signal that sends in up-link carrier frequency range, to mention The high utilization rate of ascending resource, and can ensure effective transmission of the data in control channel and data channel.

Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or The various media that can store program code such as person's CD.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims

1. a kind of downlink signal transmission characterized by comprising

Descending scheduling signaling or semi-static is sent to small station or the first user equipment at the first moment and in descending carrier frequency range Signaling, wherein the descending scheduling signaling or semi-static signaling are used for for dispatching the first sub-frame set or the second sub-frame set It dispatches comprising the first instruction information in the signaling of first sub-frame set, the first instruction information is used to indicate the small station Or first user equipment receives downlink signal at the second moment and in up-link carrier frequency range, described first indicates that information is logical The bit for crossing carrier identifiers CIF field occupancy indicates that the signaling for dispatching second sub-frame set is passed for dispatching The descending carrier frequency range of defeated downlink signal；

Downlink signal is sent to the small station or first user equipment at second moment and in up-link carrier frequency range, So that the small station or first user equipment based on the received the descending scheduling signaling or semi-static signaling described Two moment and downlink signal is received in up-link carrier frequency range；

2. the method according to claim 1, wherein second moment and in up-link carrier frequency range to institute It states small station or first user equipment sends downlink signal, comprising:

Use downlink signal format to the small station or first user at second moment and in up-link carrier frequency range Equipment sends downlink signal, or,

Use upstream signal formats to the small station or first user at second moment and in up-link carrier frequency range Equipment sends downlink signal.

3. the method according to claim 1, wherein it is described the second moment and in descending carrier frequency range to The small station or the first user equipment are sent before descending scheduling signaling or semi-static signaling, further includes:

Ratio of uplink subframe to downlink subframe is sent to the small station or first user equipment, so that the small station or first user Equipment according to the ratio of uplink subframe to downlink subframe receive downlink signal or so that the small station or first user equipment according to institute It states ratio of uplink subframe to downlink subframe and sends uplink signal, or,

Destroy the last one or two symbols in second moment and the downlink signal that sends in up-link carrier frequency range.

4. the method according to claim 1, wherein it is described the second moment and in descending carrier frequency range to The small station or the first user equipment are sent before descending scheduling signaling or semi-static signaling, further includes:

The first control message is sent to the small station or first user equipment, so that the small station or first user set It is standby to be destroyed according to first control message at second moment and received downlink signal is most in up-link carrier frequency range The latter or two symbols.

5. method according to any one of claims 1 to 4, which is characterized in that described at the second moment and in downlink After sending descending scheduling signaling or semi-static signaling to the small station or the first user equipment on carrier wave frequency range, further includes:

The second control message is sent to the small station or first user equipment, so that the small station or first user set It is standby that a time offset value is deviated in the up-link carrier frequency range of current confirmation message to be transmitted according to second control message After send the confirmation message, comprising whether being used to indicate downlink signal by the small station or described first in the confirmation message The second indication information that user equipment is properly received.

6. method according to any one of claims 1 to 4, which is characterized in that described at the second moment and in downlink After sending descending scheduling signaling or semi-static signaling to the small station or the first user equipment on carrier wave frequency range, further includes:

Third control message is sent to the small station or first user equipment, includes setting in the third control message It is used to indicate the cycle information in the small station or the first user equipment to report channel quality indicator (CQI), so that the small station Or first user equipment is according to the cycle information periodic report CQI of the CQI.

7. method according to any one of claims 1 to 4, which is characterized in that further include:

Uplink scheduling signaling is sent in second user equipment of the third moment into the small station coverage area, so that described second User equipment is sent at second moment and in up-link carrier frequency range to the small station according to the uplink scheduling signaling The time difference at row signal, second moment and the third moment is j milliseconds, and j is positive integer.

8. method according to any one of claims 1 to 4, which is characterized in that described for dispatching first subframe The MCS also used comprising the downlink signal carried by multiplexing demodulation and coded modulation scheme MCS field in the signaling of set.

9. method according to any one of claims 1 to 4, which is characterized in that described for dispatching first subframe The demodulating information also used comprising the downlink signal carried by multiplexing demodulation reference signal information field in the signaling of set.

10. a kind of downlink signal transmission characterized by comprising

Base station is received in the first moment and the descending scheduling signaling or semi-static signaling that send in descending carrier frequency range, wherein The descending scheduling signaling or semi-static signaling are for dispatching the first sub-frame set or the second sub-frame set, for dispatching the first son Comprising the first instruction information in the signaling of frame set, the first instruction information is used to indicate small station or the first user equipment the Two moment and the downlink signal that the base station transmission is received in up-link carrier frequency range, the first instruction information pass through carrier wave mark Knowing the bit that symbol CIF field occupies indicates, the signaling for dispatching second sub-frame set is believed for scheduled transmission downlink Number descending carrier frequency range；

The descending scheduling signaling or semi-static signaling based on the received connect at second moment and in up-link carrier frequency range The base station is received in the second moment and the downlink signal that sends in up-link carrier frequency range；

11. according to the method described in claim 10, it is characterized in that, the descending scheduling signaling or semi-static based on the received Signaling receives the base station at the second moment and in up-link carrier frequency range at second moment and in up-link carrier frequency range The downlink signal of transmission, comprising:

The descending scheduling signaling or semi-static signaling based on the received are adopted at second moment and in up-link carrier frequency range With downlink signal reception of beacons downlink signal or second moment and in up-link carrier frequency range use upstream signal formats Receive downlink signal.

12. according to the method described in claim 10, it is characterized in that, in the reception base station at the second moment and in downlink load Before the descending scheduling signaling or semi-static signaling that are sent in wave frequency section, further includes:

The ratio of uplink subframe to downlink subframe that the base station is sent is received, and the ratio of uplink subframe to downlink subframe receives the base based on the received Stand send downlink signal, or,

The base station is received to destroy in the last one of second moment and the downlink signal that sends in up-link carrier frequency range Or the downlink signal sent after two symbols.

13. according to the method described in claim 10, it is characterized in that, in the reception base station at the second moment and in downlink load Before the descending scheduling signaling or semi-static signaling that are sent in wave frequency section, further includes:

Receive the first control message that the base station is sent；

Based on the received first control message destroy second moment and in the up-link carrier frequency range it is received The last one or two symbols of downlink signal.

14. method described in any one of 0~13 according to claim 1, which is characterized in that when the reception base station is second After quarter and the descending scheduling signaling or semi-static signaling that are sent in descending carrier frequency range, further includes:

Receive the second control message that the base station is sent；

Second control message is when deviating one in the up-link carrier frequency range of current confirmation message to be transmitted based on the received Between send the confirmation message after deviant, in the confirmation message comprising be used to indicate downlink signal whether by the small station or The second indication information that first user equipment is properly received.

15. method described in any one of 0~13 according to claim 1, which is characterized in that when the reception base station is second After quarter and the descending scheduling signaling or semi-static signaling that are sent in descending carrier frequency range, further includes:

The third control message that the base station is sent is received, is notified in the third control message comprising being used to indicate for setting The cycle information of road quality indicator (CQI)；

The cycle information periodic report CQI of the CQI based on the received.

16. method described in any one of 0~13 according to claim 1, which is characterized in that described for dispatching first son The MCS also used comprising the downlink signal carried by multiplexing demodulation and coded modulation scheme MCS field in the signaling of frame set.

17. method described in any one of 0~13 according to claim 1, which is characterized in that described for dispatching first son The demodulating information also used comprising the downlink signal carried by multiplexing demodulation reference signal information field in the signaling of frame set.

18. a kind of downlink signal transmitting device characterized by comprising

First sending module, for sending downlink to small station or the first user equipment at the first moment and in descending carrier frequency range Dispatch or semi-static signaling, wherein the descending scheduling signaling or semi-static signaling for dispatch the first sub-frame set or Second sub-frame set includes the first instruction information, the first instruction letter in the signaling for dispatching first sub-frame set Breath is used to indicate the small station or first user equipment receives downlink signal at the second moment and in up-link carrier frequency range, The first instruction information is indicated by the bit that carrier identifiers CIF field occupies, for dispatching the second subframe collection The signaling of conjunction is used for the descending carrier frequency range of scheduled transmission downlink signal；

Second sending module, for second moment and in up-link carrier frequency range to the small station or first user Equipment sends downlink signal, so that the small station or first user equipment descending scheduling signaling or half based on the received Static signaling at second moment and receives downlink signal in up-link carrier frequency range；

19. device according to claim 18, which is characterized in that second sending module is specifically used for described the Two moment and downlink is sent to the small station or first user equipment using downlink signal format in up-link carrier frequency range Signal, or,

20. device according to claim 18, which is characterized in that second sending module is also used to described Two moment and descending scheduling signaling or semi-static signaling are sent to the small station or the first user equipment in descending carrier frequency range Before, ratio of uplink subframe to downlink subframe is sent to the small station or first user equipment, so that the small station or first use Family equipment according to the ratio of uplink subframe to downlink subframe receive downlink signal or so that the small station or first user equipment according to The ratio of uplink subframe to downlink subframe sends uplink signal, or,

21. device according to claim 18, which is characterized in that second sending module was also used at the second moment And before in descending carrier frequency range sending descending scheduling signaling or semi-static signaling to the small station or the first user equipment, to The small station or first user equipment send the first control message so that the small station or first user equipment according to First control message destroy second moment and in up-link carrier frequency range received downlink signal the last one Or two symbols.

22. device described in any one of 8~21 according to claim 1, which is characterized in that second sending module is also used In sending descending scheduling signaling or half quiet to the small station or the first user equipment at the second moment and in descending carrier frequency range After state signaling, the second control message is sent to the small station or first user equipment, so that the small station or described the One user equipment is according to second control message when deviating one in the up-link carrier frequency range of current confirmation message to be transmitted Between send the confirmation message after deviant, in the confirmation message comprising be used to indicate downlink signal whether by the small station or The second indication information that first user equipment is properly received.

23. device described in any one of 8~21 according to claim 1, which is characterized in that second sending module is also used In sending descending scheduling signaling or half quiet to the small station or the first user equipment at the second moment and in descending carrier frequency range After state signaling, third control message is sent to the small station or first user equipment, is wrapped in the third control message The cycle information for being used to indicate the small station or the first user equipment to report channel quality indicator (CQI) containing setting, so that The small station or first user equipment are according to the cycle information periodic report CQI of the CQI.

24. device described in any one of 8~21 according to claim 1, which is characterized in that covered at the third moment to the small station Second user equipment within the scope of lid sends uplink scheduling signaling, so that the second user equipment is believed according to the uplink scheduling It enables at second moment and sends uplink signal, second moment and described the to the small station in up-link carrier frequency range The time difference at three moment is j milliseconds, and j is positive integer.

25. device described in any one of 8~21 according to claim 1, which is characterized in that the descending scheduling signaling is half quiet The MCS also used comprising the downlink signal carried by multiplexing demodulation and coded modulation scheme MCS field in state signaling.

26. device described in any one of 8~21 according to claim 1, which is characterized in that the descending scheduling signaling is half quiet The demodulating information also used comprising the downlink signal carried by multiplexing demodulation reference signal information field in state signaling.

27. a kind of downlink signal transmitting device characterized by comprising

First receiving module, for receive base station in the first moment and the descending scheduling signaling that is sent in descending carrier frequency range or Semi-static signaling, wherein the descending scheduling signaling or semi-static signaling are for dispatching the first sub-frame set and the second subframe collection It closes, comprising the first instruction information in first sub-frame set, the first instruction information is used to indicate small station or the first user Equipment is at the second moment and receives in up-link carrier frequency range the downlink signal that the base station sends, and the first instruction information is logical The bit for crossing carrier identifiers CIF field occupancy indicates that the signaling for dispatching second sub-frame set is passed for dispatching The descending carrier frequency range of defeated downlink signal；

Second receiving module, for the descending scheduling signaling or semi-static signaling based on the received, at second moment and The base station is received in up-link carrier frequency range in the second moment and the downlink signal that sends in up-link carrier frequency range；

28. device according to claim 27, which is characterized in that second receiving module is specifically used for according to reception The descending scheduling signaling or semi-static signaling, second moment and in up-link carrier frequency range use downlink signal lattice Formula receives downlink signal or receives downlink signal using upstream signal formats at second moment and in up-link carrier frequency range.

29. device according to claim 27, which is characterized in that second receiving module is also used in the reception Base station before the second moment and the descending scheduling signaling or semi-static signaling that are sent in descending carrier frequency range,

30. device according to claim 27, which is characterized in that second receiving module is also used in the reception Base station receives the base before the second moment and the descending scheduling signaling or semi-static signaling that send in descending carrier frequency range Stand send the first control message；First control message is destroyed at second moment and in the uplink based on the received The last one or two symbols of received downlink signal on carrier wave frequency range.

31. the device according to any one of claim 27~30, which is characterized in that second receiving module is also used In the reception base station at the second moment and the descending scheduling signaling sent in descending carrier frequency range or semi-static signaling it Afterwards, the second control message that the base station is sent is received；Second control message is in current confirmation to be transmitted based on the received The confirmation message is sent after deviating a time offset value in the up-link carrier frequency range of message, includes use in the confirmation message In the second indication information whether indicating downlink signal is properly received by the small station or first user equipment.

32. the device according to any one of claim 27~30, which is characterized in that second receiving module is also used In the reception base station at the second moment and the descending scheduling signaling sent in descending carrier frequency range or semi-static signaling it Afterwards, the third control message that the base station is sent is received, is notified in the third control message comprising being used to indicate for setting The cycle information of road quality indicator (CQI)；The cycle information periodic report CQI of the CQI based on the received.

33. the device according to any one of claim 27~30, which is characterized in that the descending scheduling signaling is half quiet The MCS also used comprising the downlink signal carried by multiplexing demodulation and coded modulation scheme MCS field in state signaling.

34. the device according to any one of claim 27~30, which is characterized in that the descending scheduling signaling is half quiet The demodulating information also used comprising the downlink signal carried by multiplexing demodulation reference signal information field in state signaling.