CN104956734A

CN104956734A - Method, base station and user equipment for selecting and configuring transmission mode

Info

Publication number: CN104956734A
Application number: CN201380033304.1A
Authority: CN
Inventors: 焦秉立; 马猛; 温容慧; 周明宇; 崔宏宇; 王一然
Original assignee: Sina Biotechnology Beijing Co ltd; Huawei Technologies Co Ltd
Current assignee: Sina Biotechnology Beijing Co ltd; Peking University; Huawei Technologies Co Ltd
Priority date: 2013-11-29
Filing date: 2013-11-29
Publication date: 2015-09-30
Anticipated expiration: 2033-11-29
Also published as: WO2015077987A1; CN104956734B

Abstract

A method, base station and user equipment for selecting and configuring a transmission mode are disclosed in the present invention. The method comprises that: the base station determines information of self-interference cancellation capability of a full duplex apparatus and information of the signal-to-noise ratio of the target signal received by the full duplex apparatus; the base station determines the transmission mode of the full duplex apparatus according to the information of the self-interference cancellation capability of the full duplex apparatus and the information of the signal-to-noise ratio of the target signal received by the full duplex apparatus, wherein the transmission mode includes a full duplex mode and a half duplex mode. According to the embodiments of the present invention, the base station determines the transmission mode of the full duplex apparatus according to the information of the self-interference cancellation capability of the full duplex apparatus and the information of the signal-to-noise ratio of the target signal received by the full duplex apparatus, therefore avoiding the influence of the strong self-interference on the system and thus improving the performance of the full duplex system.

Description

METHOD, BASE STATION AND USER EQUIPMENT FOR SELECTING AND CONFIGURING TRANSMISSION MODE

Selection, collocation method, base station and the user equipment technical field of transmission mode

The present embodiments relate to the communications field, and the selection more particularly, to transmission mode, collocation method, base station and user equipment.Background technology

Traditional duplex communication system has time division duplex and FDD two ways, i.e. transceiver channel to be that time-division or frequency division are orthogonal.In recent years, researcher proposes full-duplex method, i.e., in the enterprising row information transmitting-receiving of channel with frequency simultaneously, this method can realize reception and launch on channel of the same frequency with the time, can improve the utilization rate of frequency spectrum resource.But it is due to that transceiver channel works with frequency simultaneously, therefore the interference between transmitting-receiving, i.e. self-interference in full duplex system, the performance to communication system causes very big influence, is to influence the principal element of systematic function.Due to the limitation of actual conditions, self-interference can not be completely eliminated, therefore remaining self-interference have impact on full duplex system performance.The content of the invention

The embodiment of the present invention proposes a kind of selection of transmission mode, collocation method, base station and user equipment, can be avoided influence of the too strong self-interference to full duplex system, so as to improve the performance of full duplex system.

First aspect, it is proposed that a kind of system of selection of transmission mode, this method includes：Base station determines that the self-interference of full duplex equipment eliminates ability information and the full duplex equipment receives the signal-tonoise information of echo signal；The base station eliminates ability information according to the self-interference of the full duplex equipment and the full duplex equipment receives the signal-tonoise information of echo signal, determines the transmission mode of the full duplex equipment, the transmission mode includes full-duplex mode and semiduplex mode.

With reference in a first aspect, in the first possible implementation, this method also includes：The base station determines the channel quality information of the antenna of the base station；The base station eliminates ability information according to the self-interference of the full duplex equipment and the full duplex equipment receives the signal-tonoise information of echo signal, and determining the transmission mode of the full duplex equipment includes：The base station eliminates the channel quality information that ability information, the full duplex equipment receive the signal-tonoise information of echo signal and the antenna of the base station according to the self-interference of the full duplex equipment, determines the transmission mode of the full duplex equipment.

With reference to the first possible implementation of first aspect, in second of possible implementation, Base station determines that the channel quality information of the antenna of the base station is implemented as：The base station receive under the base station user equipment (UE) measurement the base station whole antennas channel quality information, and determine the base station whole antennas channel quality information in preferred channels quality information for the base station uplink/downlink antenna channel quality information；Or the base station receives the channel quality information of the optimal antenna of UE measurements, and determining that the information of the channel quality of optimal antenna is the channel quality information of the uplink/downlink antenna of the base station, the wherein optimal antenna measures the antenna of preferred channels quality for the UE in whole antennas of the base station.

With reference to the first possible implementation of first aspect, in the third possible implementation, base station determines that the channel quality information of the antenna of the base station is implemented as：The base station receives the channel quality information of whole antennas of the base station of the UE measurements under the base station, determine the base station whole antennas channel quality information in channel quality corresponding to the preassigned uplink/downlink antenna in the base station information for the uplink/downlink antenna of the base station channel quality information；Or the base station receives the channel quality information of the preassigned uplink/downlink antenna in the base station of UE measurements, and determine channel quality information of the channel quality information of the preassigned uplink/downlink antenna in the base station for the uplink/downlink antenna of the base station；Wherein, the preassigned uplink/downlink antenna in the base station is obtained by the UE antenna configuration informations sent according to the base station.

With reference to the first possible implementation of first aspect, in the 4th kind of possible implementation, base station determines that the channel quality information of the antenna of the base station is implemented as：The base station receives the channel quality information of whole antennas of the UE measurements of the base station, and determines the channel quality information for the uplink/downlink antenna that the channel quality information fixed in the channel quality information of whole antennas of UE measurements corresponding to uplink/downlink antenna is the base station；Or the base station receive the UE measurement the base station fixation uplink/downlink antenna channel quality information, and determine the base station fixation uplink/downlink antenna channel quality information for the base station uplink/downlink antenna channel quality information.

With reference to first aspect the first possible implementation into the 4th kind of possible implementation of first aspect any possible implementation, in the 5th kind of possible implementation, this method also includes：The base station determines the traffic information of the base station.The base station eliminates the channel quality information that ability information, the full duplex equipment receive the signal-tonoise information of echo signal and the antenna of the base station according to the self-interference of the full duplex equipment, determines that the transmission mode of the full duplex equipment is implemented as：The base station eliminates signal-tonoise information, the channel quality information of the antenna of the base station and the traffic information of the base station that ability information, the full duplex equipment receive echo signal according to the self-interference of the full duplex equipment, determines the transmission mode of the full duplex equipment.

With reference to first aspect the first possible implementation into the 5th kind of possible implementation of first aspect any possible implementation, in the 6th kind of possible implementation, be implemented as： The full duplex equipment is the UE of the base station, or the full duplex equipment is the base station.

With reference to the 6th kind of possible implementation of first aspect, in the 7th kind of possible implementation, this method also includes：The base station sends schedule information according to the channel quality information and the corresponding transmission configuration of the transmission mode of the antenna of the base station to the UE, and the schedule information includes following at least one：Running time-frequency resource information, Modulation and Coding Scheme MCS, redundancy versions RV and the transmission power used during the up-downgoing scheduling of the base station.

With reference to the 7th kind of possible implementation of first aspect, in the 8th kind of possible implementation, when the full duplex equipment is the UE, this method also includes：The base station sends transmission of configuration information to the UE, and the transmission of configuration information includes the corresponding transmission configuration of the transmission mode.

With reference to the 6th kind of possible implementation or first aspect of first aspect the 7th kind of possible implementation in any possible implementation, in the 9th kind of possible implementation, when the full duplex equipment is the base station, the self-interference elimination ability that the base station obtains full duplex equipment is implemented as：The base station obtains the corresponding relation for receiving interfering signal power, echo signal power and optimal interference elimination pattern of the base station；Current optimal interference elimination pattern of the base station according to corresponding to the corresponding relation of the reception interfering signal power, echo signal power and optimal interference elimination pattern of the base station determines the current interfering signal power and current goal signal power of the base station；The optimal self-interference disturbed under elimination pattern eliminates ability in this prior for base station estimation.

With reference to the 9th kind of possible implementation of first aspect, in the tenth kind of possible implementation, base station determines that stating the reception interfering signal power of base station, echo signal power and the corresponding relation of optimal interference elimination pattern is implemented as：One-level interference elimination pattern and two-stage of the base station measurement base station in the case where receiving interfering signal power, echo signal power disturb the performance of elimination pattern；The base station determines that the base station eliminates pattern in the optimal interference of the reception interfering signal power, the echo signal power；The corresponding relation of the optimal interference elimination pattern of the reception interfering signal power, the echo signal power and the base station of the base station is set up in the base station.

Second aspect, it is proposed that a kind of collocation method of transmission mode, this method includes：User equipment

UE sends transmission mode information to base station, and the self-interference that the transmission mode information includes the UE eliminates the signal-tonoise information that ability information receives echo signal with the UE, and the UE is full duplex equipment；The UE receives the transmission of configuration information of base station transmission, the signal-tonoise information that the transmission of configuration information eliminates ability information and UE reception echo signals by the base station according to the self-interference of the UE determines that the transmission of configuration information is used for the corresponding configuration of transmission mode and the transmission mode for indicating the UE；The UE configures the transmission mode of the UE according to the transmission of configuration information. With reference to second aspect, in the first possible implementation, this method also includes：The UE sends the channel quality information of the antenna of the base station to the base station, and the wherein channel quality information of the antenna of the base station is used for the transmission mode that the base station determines the UE according to the channel quality information of the antenna of the self-interference of UE elimination ability information, the signal-tonoise information of UE reception echo signals and the base station.

With reference to the first possible implementation of second aspect, in second of possible implementation, being implemented as the channel quality information includes：The channel quality information of whole antennas of the base station of UE measurements；Or the UE measurement the base station whole antennas channel quality information in preferred channels quality information；Or the channel quality information of the uplink/downlink antenna of UE measurements, the uplink/downlink antenna is the preassigned uplink/downlink antenna of fixation uplink/downlink antenna or the base station of the base station.

With reference to second of possible implementation of the first possible implementation or second aspect of second aspect, in the third possible implementation, before the UE sends transmission mode information to base station, this method also includes：The UE obtains the corresponding relation for receiving interfering signal power, echo signal power and optimal interference elimination pattern of the UE；Current optimal interference elimination patterns of the UE according to corresponding to the corresponding relation of the reception interfering signal power, echo signal power and optimal interference elimination pattern of the UE determines the current interfering signal power and current goal signal power of the UE；The self-interference that the UE is obtained under optimal interference elimination pattern in this prior eliminates ability information.

With reference to the third possible implementation of second aspect, in the 4th kind of possible implementation, the UE obtains the reception interfering signal power of the UE, echo signal power and the corresponding relation of optimal interference elimination pattern is implemented as：The UE measures the performance that one-level interference elimination patterns and two-stage of the UE in the case where receiving interfering signal power, echo signal power disturb elimination pattern；The UE determines that the UE eliminates pattern in the optimal interference of the reception interfering signal power, the echo signal power；The UE sets up the corresponding relation of the reception interfering signal power, the echo signal power and the UE of the UE optimal interference elimination pattern.

The third aspect, it is proposed that a kind of base station, the base station includes：Determining unit, for determining that the self-interference of full duplex equipment eliminates ability information and the full duplex equipment receives the signal-tonoise information of echo signal；The determining unit is additionally operable to eliminate ability information according to the self-interference of the full duplex equipment and the full duplex equipment receives the signal-tonoise information of echo signal, determines the transmission mode of the full duplex equipment, the transmission mode includes full-duplex mode and semiduplex mode.

With reference to the third aspect, in the first possible implementation, the determining unit is additionally operable to determine the channel quality information of the antenna of the base station；In the transmission mode for determining the full duplex equipment, the determining unit is received specifically for eliminating ability information, the full duplex equipment according to the self-interference of the full duplex equipment The channel quality information of the signal-tonoise information of echo signal and the antenna of the base station, determines the transmission mode of the full duplex equipment.

With reference to the first possible implementation of the third aspect, in second of possible implementation, the base station also includes receiving unit.In the channel quality information of the antenna for determining the base station, the determining unit specifically for：The channel quality information of the whole antennas for the base station that user equipment (UE) under the base station is measured is received by the receiving unit, and determine the base station whole antennas channel quality information in preferred channels quality information for the uplink/downlink antenna of the base station channel quality information；Or the channel quality information of the optimal antenna of UE measurements is received by the receiving unit, and determining that the information of the channel quality of optimal antenna is the channel quality information of the uplink/downlink antenna of the base station, the wherein optimal antenna measures the antenna of preferred channels quality for the UE in whole antennas of the base station.

With reference to the first possible implementation of the third aspect, in the third possible implementation, the base station also includes receiving unit.In the channel quality information of the antenna for determining the base station, the determining unit specifically for：The channel quality information of whole antennas of the base station of UE measurements under the base station is received by the receiving unit, determine the base station whole antennas channel quality information in channel quality corresponding to the preassigned uplink/downlink antenna in the base station information for the uplink/downlink antenna of the base station channel quality information；Or the channel quality information of the preassigned uplink/downlink antenna in the base station of UE measurements is received by the receiving unit, and determine channel quality information of the channel quality information of the preassigned uplink/downlink antenna in the base station for the uplink/downlink antenna of the base station；Wherein, the preassigned uplink/downlink antenna in the base station is obtained by the UE according to the antenna configuration information of the transmission of the base station.

With reference to the first possible implementation of the third aspect, in the 4th kind of possible implementation, the base station also includes receiving unit.In the channel quality information of the antenna for determining the base station, the determining unit specifically for：The channel quality information of whole antennas of the UE measurements of the base station is received by the receiving unit, and determines the channel quality information for the uplink/downlink antenna that the channel quality information fixed in the channel quality information of whole antennas of UE measurements corresponding to uplink/downlink antenna is the base station；Or by the receiving unit receive the UE measurement the base station fixation uplink/downlink antenna channel quality information, and determine the base station fixation uplink/downlink antenna channel quality information for the base station uplink/downlink antenna channel quality information.

With reference to the third aspect the first possible implementation into the 4th kind of possible implementation of the third aspect any possible implementation, in the 5th kind of possible implementation, the determining unit be additionally operable to determine the base station traffic information.In the transmission mode for determining the full duplex equipment, the determining unit specifically for：Signal-tonoise information, the channel quality information of the antenna of the base station and the industry of the base station that ability information, the full duplex equipment receive echo signal are eliminated according to the self-interference of the full duplex equipment Business amount information, determines the transmission mode of the full duplex equipment.

With reference to the third aspect the first possible implementation into the 5th kind of possible implementation of the third aspect any possible implementation, in the 6th kind of possible implementation, be implemented as：The full duplex equipment is the UE of the base station, or the full duplex equipment is the base station.

With reference to the 6th kind of possible implementation of the third aspect, in the 7th kind of possible implementation, the base station also includes：Transmitting element, for sending schedule information to the UE according to the channel quality of the base station and the corresponding transmission configuration of the transmission mode, the schedule information includes following at least one：Running time-frequency resource information, MCS, RV and the transmission power used during the up-downgoing scheduling of the base station.

With reference to the 7th kind of possible implementation of the third aspect, in the 8th kind of possible implementation, when the full duplex equipment is the UE, the transmitting element is additionally operable to send transmission of configuration information to the UE, and the transmission of configuration information includes the corresponding transmission configuration of the transmission mode.

With reference to the 6th kind of possible implementation or the third aspect of the third aspect the 7th kind of possible implementation in any possible implementation, in the 9th kind of possible implementation, when the full duplex equipment is the base station, for determine full duplex equipment self-interference eliminate ability, the determining unit specifically for：Obtain the base station receives interfering signal power, echo signal power and the corresponding relation of optimal interference elimination pattern；Current optimal interference elimination pattern according to corresponding to the corresponding relation of the reception interfering signal power of the base station, echo signal power and optimal interference elimination pattern determines the current interfering signal power and current goal signal power of the base station；The optimal self-interference disturbed under elimination pattern eliminates ability in this prior for estimation.

With reference to the 9th kind of possible implementation of the third aspect, in the tenth kind of possible implementation, for obtain the base station receive interfering signal power, echo signal power with it is optimal interference elimination pattern corresponding relation, the determining unit specifically for：Measure the performance that one-level interference elimination pattern and two-stage of the base station in the case where receiving interfering signal power, echo signal power disturb elimination pattern；Determine that the base station eliminates pattern in the optimal interference of the reception interfering signal power, the echo signal power；The optimal interference for setting up the reception interfering signal power, the echo signal power and the base station of the base station eliminates the corresponding relation of pattern.

Fourth aspect, it is proposed that a kind of full duplex user equipment, the full duplex user equipment includes：Transmitting element, for sending transmission mode information to base station, the self-interference that the transmission mode information includes the user equipment eliminates the signal-tonoise information that ability information receives echo signal with the user equipment；Receiving unit, the transmission of configuration information for receiving base station transmission, the signal-tonoise information that the transmission of configuration information eliminates ability information and user equipment reception echo signal by the base station according to the self-interference of the user equipment is determined, is somebody's turn to do Transmission of configuration information is used to indicate the user device transmissions pattern and the corresponding configuration of the transmission mode；Dispensing unit, the transmission mode for configuring the user equipment according to the transmission of configuration information.

With reference to fourth aspect, in the first possible implementation, the transmitting element is additionally operable to send the channel quality information of the antenna of the base station to the base station, and the wherein channel quality information of the antenna of the base station is used for the transmission mode that the base station determines the UE according to the channel quality information of the antenna of the self-interference of UE elimination ability information, the signal-tonoise information of UE reception echo signals and the base station.

With reference to the first possible implementation of fourth aspect, in second of possible implementation, being implemented as the channel quality information includes：The channel quality information of whole antennas of the base station of UE measurements；Or the UE measurement the base station whole antennas channel quality information in preferred channels quality information；Or the channel quality information of the uplink/downlink antenna of UE measurements, the uplink/downlink antenna is the preassigned uplink/downlink antenna of fixation uplink/downlink antenna or the base station of the base station.

With reference to second of possible implementation of the first possible implementation or fourth aspect of fourth aspect, in the third possible implementation, the user equipment also includes：Acquiring unit, the corresponding relation for receiving interfering signal power, echo signal power and optimal interference elimination pattern for obtaining the user equipment；Determining unit, for the reception interfering signal power according to the user equipment, echo signal power with it is optimal interference elimination pattern corresponding relation determine the current interfering signal power and current goal signal power of the user equipment corresponding to it is current it is optimal interference elimination pattern；The self-interference that the acquiring unit is additionally operable to obtain under optimal interference elimination pattern in this prior eliminates ability information.

With reference to the third possible implementation of fourth aspect, in the 4th kind of possible implementation, for obtain the user equipment receive interfering signal power, echo signal power with it is optimal interference elimination pattern corresponding relation, the acquiring unit specifically for：Measure the performance that one-level interference elimination pattern and two-stage of the user equipment in the case where receiving interfering signal power, echo signal power disturb elimination pattern；Determine that the user equipment eliminates pattern in the optimal interference of the reception interfering signal power, the echo signal power；The optimal interference for setting up the reception interfering signal power, the echo signal power and the user equipment of the user equipment eliminates the corresponding relation of pattern.

The above-mentioned technical proposal of the embodiment of the present invention, can avoid influence of the too strong self-interference to full duplex system, improve the performance of full duplex system.Brief description of the drawings

In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be briefly described below to the required accompanying drawing used in embodiment or description of the prior art, it should be apparent that, drawings in the following description Only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.

Fig. 1 is the system of selection flow chart of transmission mode of the embodiment of the present invention.

Fig. 2 is the system of selection flow chart of another transmission mode of the embodiment of the present invention.

Fig. 3 is the structural representation of full duplex equipment of the embodiment of the present invention.

Fig. 4 is the antenna direction schematic diagram of the embodiment of the present invention.

Fig. 5 is the comparison figure of full and half duplex average size of the embodiment of the present invention.

Fig. 6 is transmission mode collocation method flow chart of the embodiment of the present invention.

Fig. 7 is the structural representation of base station of the embodiment of the present invention.

Fig. 8 is the structural representation of full duplex user equipment of the embodiment of the present invention.

Fig. 9 is another structural representation of base station of the embodiment of the present invention.

Figure 10 is another structural representation of full duplex user equipment of the embodiment of the present invention.Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.

Technical scheme, can apply to various communication systems, for example：Global system for mobile communications（GSM, Global System of Mobile communication), CDMA（CDMA, Code Division Multiple Access) system, WCDMA（WCDMA, Wideband Code Division Multiple Access Wireless), GPRS (GPRS, General Packet Radio Service), Long Term Evolution (LTE, Long Term Evolution) etc..

User equipment（UE, User Equipment), also referred to as mobile terminal（Mobile Terminal), mobile subscriber equipment etc. can be through wireless access network（For example, RAN, Radio Access Network) communicated with one or more core nets, user equipment can be mobile terminal, such as mobile phone（Or be " honeycomb " phone）With the computer with mobile terminal, for example, it may be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device, they exchange language and/or data with wireless access network.

Base station, can be the base station in GSM or CDMA（BTS, Base Transceiver Station), can also be the base station in WCDMA（), NodeB it can also be the evolved base station in LTE（ eNB Or e-NodeB, evolutional Node B), the present invention is not limited, but for convenience of description, following embodiments are illustrated by taking eNB as an example.

In existing full duplex system, because transceiver channel works with frequency simultaneously, the self-interference in full duplex system can cause very big influence to the performance of communication system, be to influence the principal element of systematic function.Due to the limitation of actual conditions, self-interference can not be completely eliminated, therefore remaining self-interference have impact on full duplex system performance.Therefore need to be dynamically selected full duplex or semiduplex mode to improve systematic function according to remaining self-interference power.

Fig. 1 is the system of selection flow chart of full duplex equipment transmission mode of the embodiment of the present invention, and Fig. 1 method is performed by base station.

110, base station determines that the self-interference of full duplex equipment eliminates ability information and full duplex equipment receives the signal-tonoise information of echo signal.

Wherein, the self-interference of full duplex equipment eliminates ability information, refers to that full duplex equipment eliminates the information of the emitter of full duplex equipment to the ability of the signal interference of full duplex equipment receiver in a full-duplex mode.

Full duplex equipment receives the signal-tonoise information of echo signal, refers to the information of the signal to noise ratio of full duplex equipment reception echo signal under the influence of self-interference.

120, the base station eliminates ability information according to the self-interference of the full duplex equipment and the full duplex equipment receives the signal-tonoise information of echo signal, determines the transmission mode of the full duplex equipment.

Wherein, the transmission mode includes full-duplex mode and semiduplex mode.

Specifically, base station can determine the transmission mode of the full duplex equipment based on predetermined transmission mode selection criterion, for example, based on the maximized criterion selection transmission mode of ergodic capacity for causing base station.

In the embodiment of the present invention, base station eliminates ability information according to the self-interference of full duplex equipment and full duplex equipment receives the signal-tonoise information of echo signal, determine the transmission mode of full duplex equipment, influence of the too strong self-interference to full duplex system is avoided, so as to improve the performance of full duplex system.

Alternatively, as shown in Fig. 2 this method may also include step 111.

111, base station determines the channel quality information of the antenna of base station.

In the embodiment of the present invention, the channel quality information of the antenna of base station may include the channel quality information of the uplink antenna of base station and the channel quality information of uplink/downlink antenna, the channel quality information of the uplink antenna of base station is the uplink signal-channel quality information of base station, and the channel quality information of the uplink/downlink antenna of base station is the downlink channel quality information of base station.Base station may indicate that the down channel quality of UE measurements base station and report the downlink channel quality information, and base station may further indicate that UE sends reference signal, and base station is by measuring UE reference signal Obtain the uplink signal-channel quality information of base station.

Further, implementing for step 120 can be as shown in step 121.

121, the base station eliminates the channel quality information that ability information, the full duplex equipment receive the signal-tonoise information of echo signal and the antenna of the base station according to the self-interference of the full duplex equipment, determine the transmission mode of the full duplex equipment, wherein, the transmission mode includes full-duplex mode and semiduplex mode.

Optionally, as one embodiment, when the antenna of base station selected preferred channels quality is as uplink/downlink antenna, step 111 specifically can be achieved be：The base station receive under the base station user equipment (UE) measurement the base station whole antennas channel quality information, and determine the base station whole antennas channel quality information in preferred channels quality information for the base station uplink/downlink antenna channel quality information.Specifically, the base station receives the channel quality information of whole antennas of the base station of the UE measurements under the base station, the antenna of preferred channels quality is selected from the channel quality information of whole antennas of the base station as the uplink/downlink antenna of the base station, and determines the channel quality information for the uplink/downlink antenna that the preferred channels quality information is the base station.

Optionally, as another embodiment, when the antenna of base station selected preferred channels quality is as uplink/downlink antenna, step 111, which specifically can also be realized, is：The base station receives the channel quality information of the optimal antenna of UE measurements, and determining that the information of the channel quality of optimal antenna is the channel quality information of the uplink/downlink antenna of the base station, the wherein optimal antenna measures the antenna of preferred channels quality for the UE in whole antennas of the base station.Specifically, UE measures the channel quality of whole antennas of base station, and therefrom selection preferred channels quality and corresponding optimal antenna, and the channel quality information of the mark id information of optimal antenna and optimal antenna is sent into base station.The base station receives the mark ID and the channel quality information of the optimal antenna of the optimal antenna of UE measurements, and using the optimal antenna as the base station uplink/downlink antenna, using the channel quality information of the optimal antenna as the uplink/downlink antenna of the base station channel quality information.

Optionally, as one embodiment, when the base station preassign uplink/downlink antenna when, step 111 specifically can be achieved be：The base station receives the channel quality information of whole antennas of the base station of the UE measurements under the base station, determine the base station whole antennas channel quality information in channel quality corresponding to the preassigned uplink/downlink antenna in the base station information for the uplink/downlink antenna of the base station channel quality information, wherein, the preassigned uplink/downlink antenna in the base station is obtained by the UE according to the antenna configuration information of the transmission of the base station.Specifically, the base station receives the channel quality information of whole antennas of the base station of the UE measurements under the base station, the channel quality information corresponding to the preassigned uplink/downlink antenna in base station is selected from the channel quality information of whole antennas of the base station, the channel quality information of the uplink/downlink antenna of the base station is used as.

Optionally, as another embodiment, when the base station preassign uplink/downlink antenna when, step 111 specifically can be achieved be：The base station receives the channel of the preassigned uplink/downlink antenna in the base station of UE measurements Quality information, and determine channel quality information of the channel quality information of the preassigned uplink/downlink antenna in the base station for the uplink/downlink antenna of the base station, wherein, the preassigned uplink/downlink antenna in the base station is obtained by the UE according to the antenna configuration information of the transmission of the base station.Specifically, the channel quality of the preassigned uplink/downlink antenna in the base station is simultaneously sent to base station by the channel quality of the UE measurement preassigned uplink/downlink antennas in base station, the base station receives the channel quality of the predetermined uplink/downlink antenna in the base station of UE measurements, and the predetermined uplink/downlink antenna in the base station is obtained by the UE according to the antenna configuration information of the transmission of the base station.

Optionally, as one embodiment, when uplink/downlink antenna is fixed antenna, step 111 specifically can be achieved be：The base station receives the channel quality information of whole antennas of the UE measurements of the base station, and determines the channel quality information for the uplink/downlink antenna that the channel quality information fixed in the channel quality information of whole antennas of UE measurements corresponding to uplink/downlink antenna is the base station.

Optionally, as another embodiment, when uplink/downlink antenna is fixed antenna, step 111 specifically can be achieved be：The base station receive the UE measurement the base station fixation uplink/downlink antenna channel quality information, and determine the base station fixation uplink/downlink antenna channel quality information for the base station uplink/downlink antenna channel quality information.

In the embodiment of the present invention, base station in several ways, can obtain the channel quality of the uplink/downlink antenna of base station.In addition, base station can also obtain the uplink signal-channel quality of base station by measuring UE reference channel.By the channel quality information for the uplink/downlink antenna for obtaining base station so that base station can consider from the factor of the channel quality of base station, select more suitably transmission mode.

Alternatively, this method may also include：The base station obtains the traffic information of the base station.Wherein, the traffic information of base station may include the upstream traffic information and/or downlink traffic information of base station.Further, step 121 is implemented as：The base station eliminates signal-tonoise information, the channel quality information of the antenna of the base station and the traffic information of the base station that ability information, the full duplex equipment receive echo signal according to the self-interference of the full duplex equipment, determines the transmission mode of the full duplex equipment.By obtaining the traffic information of base station, base station can consider from the factor of portfolio, selection more suitably transmission mode

Alternatively, in the embodiment of the present invention, the full duplex equipment can be with base station or UE.Alternatively, this method may also include：The base station sends schedule information according to the channel quality information and the corresponding transmission configuration of the transmission mode of the antenna of the base station to the UE, and the schedule information includes following at least one：Running time-frequency resource information, Modulation and Coding Scheme (Modulation and Coding Scheme, MCS), redundancy versions (Redundant Version, RV) and the transmission power used during the up-downgoing scheduling of the base station.

Alternatively, as one embodiment, when UE is full duplex equipment, this method also includes：Should Base station sends transmission of configuration information to the UE.Wherein, the transmission of configuration information includes the corresponding transmission configuration of the transmission mode.In the embodiment of the present invention, it is determined that after the transmission mode of full duplex equipment, by sending transmission of configuration information to full duplex equipment so that full duplex equipment selects transmission mode.

Alternatively, as another embodiment, when the full duplex equipment is the base station, the self-interference elimination ability information that the base station obtains full duplex equipment includes：The base station obtains the corresponding relation for receiving interfering signal power, echo signal power and optimal interference elimination pattern of the base station；Current optimal interference elimination pattern of the base station according to corresponding to the corresponding relation of the reception interfering signal power, echo signal power and optimal interference elimination pattern of the base station determines the current interfering signal power and current goal signal power of the base station；The optimal self-interference disturbed under elimination pattern eliminates ability in this prior for base station estimation.

Further, the base station obtains the reception interfering signal power of the base station, echo signal power and the corresponding relation of optimal interference elimination pattern and included：One-level interference elimination pattern and two-stage of the base station measurement base station in the case where receiving interfering signal power, echo signal power disturb the performance of elimination pattern；The base station determines that the base station eliminates pattern in the optimal interference of the reception interfering signal power, the echo signal power；The corresponding relation of the optimal interference elimination pattern of the reception interfering signal power, the echo signal power and the base station of the base station is set up in the base station.

The specific embodiment of the present invention, base station is full duplex equipment.Base station eliminates at least one of the information such as ability and channel quality, the portfolio of base station of signal-tonoise information and uplink/downlink antenna information according to the self-interference of base station itself, and full duplex equipment is determined with reference to predetermined transmission mode selection criterion（Base station）Transmission mode.Concrete mode is as follows：

First, base station determines that the self-interference of itself eliminates ability information and base station receives the signal-tonoise information of echo signal.

Fig. 3 is the structural representation of full duplex equipment of the embodiment of the present invention.In the prior art, full duplex system is generally eliminated using simulation and eliminates two-stage self-interference technology for eliminating with numeral, for example, Fig. 3 full duplex equipment 1.However, when simulation elimination ability is relatively low, follow-up progress numeral, which is eliminated, can further bring the lifting in overall elimination ability；As simulation elimination ability gradually becomes strong, add numeral and eliminate the lifting that entirety may not be brought to eliminate ability；Further strengthen as simulation eliminates performance, adding numeral and eliminating possibly even causes overall elimination ability to decline.

A kind of preferred scheme of the embodiment of the present invention, dynamically selects self-interference to eliminate pattern.As shown in Fig. 3 full duplex equipment 2, full duplex equipment 2 may include an elimination mode selection module, and the mode for determining to take one-level simulation to eliminate still simulates elimination, numeral and eliminates the mode that two-stage is eliminated.It disturbs the criterion for eliminating model selection to use following manner：Base station exists to interference signal and echo signal Equipment test is carried out in the case of different receiving powers, one-level interference is tested under prescribed conditions and eliminates the performance disturbed and eliminated with two-stage, and selects the mode for disturbing eradicating efficacy best as the optimal interference cancellation under the conditions of this.Optimal interference cancellation and its respective conditions that base station is obtained according to test, set up and receive interfering signal power, echo signal power and the corresponding relation of optimal interference elimination pattern.Base station carries out selecting optimal pattern according to the corresponding relation when interference eliminates model selection each.The embodiment of the present invention interference eliminate model selection it is a kind of realize comprise the following steps that：

(1) interference signal is measured.

In the full duplex interference cancelling system put up, simulation elimination and numeral elimination are first shut off, jamming transmitter transmission signal power is P, the dry 4 outstanding signal I that the lower signal receiver after eating dishes without rice or wine of the different P values of measurement is received simultaneously are recorded.

(2) measurement is separately added into the reception signal that simulation is eliminated and numeral is eliminated.

Simulation elimination and digital elimination are added, for each reception signal I, some groups of measurement is by simulating the residual interference signal power IA after eliminating, and the residual interference signal power IAD after digital eliminate.

Definition simulation elimination ability CIA=101og (I/IA), digital elimination ability CID=101og (IA I

), IAD it is overall to eliminate ability CI=101og (I/IAD).Calculate and record in the case of different CIA, add CI after numeral is eliminated>CIA probability, i.e., the overall probability distribution situation for eliminating capability improving.

(3) the reception signal that measurement is added after echo signal.

The transmission signal of objective emission machine is added, the signal that now receiver is received is designated as M.Because jamming transmitter is closer to the distance apart from receiver, most of signal reaches for direct projection footpath, influenceed smaller by periphery channel circumstance, therefore actual interference signal I can be estimated by measuring the corresponding relation of record in step 1 with jamming transmitter transmission signal power P.It is KA that residue signal power of the echo signal power S=M-L received after simulation is eliminated, which can then be calculated, and the residue signal after numeral is eliminated is KAD.Then simulation elimination ability is defined as CKA=101og (I/ (KA-S)), digital elimination ability is defined as CKAD=101og ((KA-S)/(KAD-S)), and overall elimination ability is defined as CK=101og (I/ (KAD-S))

(4) optimal interference elimination pattern is determined.

According to the probability distribution situation measured in advance, selection eliminates capability threshold T, works as CKA<During T, adding after numeral is eliminated has greater probability to lift overall performance CK, now adds numeral and eliminates；Work as CKA>During T, adding has after numeral is eliminated compared with small probability lifting overall performance CK, is now added without digital elimination.So can farthest lifting system performance, and the time of signal transacting can be saved. Base station is it is determined that after interference elimination pattern, can estimate that the self-interference under the interference elimination pattern eliminates ability, and measure the signal to noise ratio under the interference elimination pattern.The estimation that self-interference eliminates ability can be obtained according to the equipment test result being directed under different condition carried out in advance, certainly, also be not excluded for the mode that other acquisition self-interferences eliminate ability, this is not restricted for the embodiment of the present invention.

Secondly, base station determines the channel quality information of the antenna of base station.

The channel quality information of the antenna of base station may include the channel quality information of the uplink antenna of base station and the channel quality information of uplink/downlink antenna, the channel quality information of the uplink antenna of base station is the uplink signal-channel quality information of base station, and the channel quality information of the uplink/downlink antenna of base station is the downlink channel quality information of base station.Base station may indicate that the down channel quality of UE measurements base station and report the downlink channel quality information, and base station may further indicate that UE sends reference signal, and base station obtains the uplink signal-channel quality information of base station by measuring UE reference signal.

During base station selected full-duplex transmission mode, which specifically used antenna sends downstream signal, can be in the following manner：

1. optimal antenna is selected according to channel condition by UE and reported.The channel that UE needs measurement to report includes：Whole antenna channel quality, or optimal antenna number and corresponding channel quality.

2. sending signal deployment by base station, then UE need to be measured and reported：Whole antenna channel quality, or for uplink/downlink antenna channel quality.

3. fix 0,1 antenna port（For example correspond to antenna closer to the distance in X or the same polarization in cross polarization）, UE need to measure and report：Whole antenna channel quality, or for uplink/downlink antenna channel quality.

It should be noted that selecting certain amount antenna as transmitting terminal in the multi-antenna node with full duplex function, when certain amount is as receiving terminal, the number for being elected to be transmission antenna should be met less than or equal to the number for being elected to be reception antenna.

Base station is specific as follows according to the mode of the different channel quality informations for determining uplink/downlink antenna of uplink/downlink antenna selection mode：

Under the first uplink/downlink antenna selection mode, base station can regard the antenna of preferred channels quality as uplink/downlink antenna.A kind of mode for the channel quality for determining uplink/downlink antenna, UE can report the channel quality of whole antennas of UE measurements, the antenna that base station can select preferred channels quality from the channel quality of the UE whole antennas measured selects preferred channels quality as the channel quality of the uplink/downlink antenna of base station as the uplink/downlink antenna of base station.The mode of another channel quality for determining uplink/downlink antenna, UE can report the mark and preferred channels quality of the antenna corresponding to preferred channels quality.The mark of antenna, can be the numbering of antenna, or It is other information that can be used to recognize antenna by base station.In addition, preferred channels quality and the antenna corresponding to preferred channels quality, it is not limited to antenna and its channel quality, several channel qualities and its corresponding a few road antennas that can also be optimal all the way.

Fig. 4 is antenna direction schematic diagram of the embodiment of the present invention.Node 1 represents base station in Fig. 4, and node 2, node 3 represent UE, base station（Node 1) there are 4 antennas.UE and the antenna of base station can be as shown in Figure 4 when UE reports the channel quality of antenna.By taking Fig. 4 as an example, base station can be sent to UE indicates that reference signal (Channel State Indication RS, CSI-RS), UE carry out two class channel status after being measured according to same CSI-RS on the channel status of 4 antennas（Channel State Indication, CSI) report（Some antennas）：The first kind 4 antennas of correspondence, its order（Rank) it is 4, pre-coding matrix instruction to the maximum（Precoding Matrix Indicator, PMI) information corresponds to 4 antenna codebooks, and its antenna direction is as shown in Fig. 4 4-2；Equations of The Second Kind 1 antenna of correspondence, rank is 2, PMI, 1 antenna codebooks of correspondence to the maximum.The transmission power of Equations of The Second Kind antenna is different from first kind antenna, and for example its transmission power ratio first kind improves 3dB, and its antenna direction is as shown in Fig. 4 4-1.

Under second of uplink/downlink antenna selection mode, the identification information for being selected for uplink/downlink antenna can be sent to UE by base station in advance.A kind of mode for the channel quality for determining uplink/downlink antenna, UE can report the channel quality of whole antennas of UE measurements, and base station therefrom selects the corresponding channel quality of preassigned uplink/downlink antenna as the channel quality of uplink/downlink antenna.Another mode of the channel quality for determining uplink/downlink antenna, base station can send uplink/downlink antenna information to UE in advance, the uplink/downlink antenna information can include the identification information of the preassigned uplink/downlink antenna in base station, now, the identification information for the uplink/downlink antenna that UE can be sent according to base station, send the corresponding channel quality of the uplink/downlink antenna, base station is received after the corresponding channel quality of uplink/downlink antenna, can as the uplink/downlink antenna of base station channel quality information.Base station can send the identification information of uplink/downlink antenna by modes such as signalings.

Under the third uplink/downlink antenna selection mode, the uplink/downlink antenna of base station is fixed antenna, is that base station is known altogether with UE both sides.A kind of mode for the channel quality for determining uplink/downlink antenna, UE can report the channel quality of whole antennas of UE measurements, and base station therefrom selects to fix the corresponding channel quality of uplink/downlink antenna as the channel quality information of the uplink/downlink antenna of base station.Another mode of the channel quality for determining uplink/downlink antenna, UE can directly transmit the corresponding channel quality of fixed uplink/downlink antenna, and base station is received after the corresponding channel quality of fixation uplink/downlink antenna, can as the uplink/downlink antenna of base station channel quality information..

Certainly, also it is not excluded for base station and obtains uplink/downlink antenna channel quality otherwise, this is not restricted for the embodiment of the present invention.

In addition, if not including the factor of channel quality in the transmission mode selection criterion of base station, it may skip This step.

Again, base station determines the transmission mode of base station according to predetermined transmission mode selection criterion.

Base station eliminates ability according to the self-interference of base station and base station receives the signal-tonoise information of echo signal, can be based on certain transmission mode selection criterion, suitable transmission mode is selected from full and half duplex pattern.The selection of transmission mode can be based on different criterions.

It might as well assume that the average signal-to-noise ratio for receiving signal is（Unit decibel）, the signal of reception and the power ratio of remnants self-interference powers are fi (unit decibels）Transmission mode selection function is fi^, i), then

When>When 0, full-duplex mode is selected；As/(^, ^)^≤0When, select semiduplex mode.

Base station can also be by the channel quality of the uplink/downlink antenna of the base station and/or the traffic information of the base station, in the parameter for including transmission mode selection function, from channel quality and/or the angle of portfolio, model selection is transmitted with reference to the signal-tonoise information that the self-interference elimination ability of base station and base station receive echo signal.

A kind of selection criterion of the present invention, can will maximize the target alternatively criterion of ergodic capacity.Fig. 5 is the comparison figure of full duplex and half couple _ ^ average sizes, and abscissa is that the power ratio of the signal and remaining self-interference power received is（Unit decibel）, ordinate is that the average signal-to-noise ratio of the collection of letters number is Vs (unit decibels）.Solid line represents the equal contour of full and half duplex channel capacity in Fig. 5.Represent that half-duplex capacity is more than below full duplex capacity, solid line above solid line and represent that full duplex capacity is more than half-duplex capacity.According to Fig. 5, model selection can be transmitted, to realize maximized channel capacity.

The coordinate according to Fig. 5, can obtain the corresponding transmission mode selection functions of Fig. 5：

Finally, schedule information is sent to UE.

After the selected transmission mode of base station, according to the uplink signal-channel quality information of the downlink channel quality information of reporting of user and base station measurement, corresponding schedule information is configured（For example, the parameter such as up-downgoing transmission power, MCS) and it is sent to user.

In addition, in order to improve transmission reliability, setting enhanced transmission mode, notify full duplex equipment in the demodulated reference signal for downstream transmission（Demodulate Reference Signal, DMRS) corresponding resource unit（Resource Element, RE) on no data information transfer, or in all corresponding RE transmitting datas information of DMRS but data message uses lower-wattage. Another specific embodiment of the present invention, UE is full duplex equipment.Base station eliminates at least one of ability and the information such as signal-tonoise information and channel quality, the portfolio of base station information according to UE self-interference and combines the transmission mode that predetermined transmission mode selection criterion determines full duplex equipment.Concrete mode is as follows：

First, base station obtains UE self-interference elimination ability information and the signal-tonoise information of UE reception echo signals.

UE can be by way of measuring and choosing its self-interference deletion, and according to selected self-interference cancellation, estimate that the self-interference that can be realized eliminates ability, self-interference then is eliminated into the information reportings such as ability, the signal to noise ratio of receiving terminal to base station.The equipment test result being directed under different condition that the estimation that self-interference eliminates ability can in advance be carried out according to system is obtained.

Similar as the situation of full duplex equipment with base station, UE can be eliminated using simulation and be eliminated two-stage self-interference technology for eliminating with numeral, as shown in Fig. 3 full duplex equipment 1；Also dynamically selection self-interference eliminates pattern, as shown in Fig. 3 full duplex equipment 2, full duplex equipment 2 may include an elimination mode selection module, and the mode for determining to take one-level simulation to eliminate still simulates elimination, numeral and eliminates the mode that two-stage is eliminated.It disturbs the criterion for eliminating model selection to use following manner：UE carries out equipment test to interference signal and echo signal in the case of different receiving powers, the interference of test one-level is eliminated under prescribed conditions and two-stage disturbs the performance eliminated, and selects the mode for disturbing eradicating efficacy best as the optimal interference cancellation under the conditions of this.Optimal interference cancellation and its respective conditions that UE is obtained according to test, set up and receive interfering signal power, echo signal power and the corresponding relation of optimal interference elimination pattern.UE carries out selecting optimal pattern according to the corresponding relation when interference eliminates model selection each.

The mode that UE carries out interference elimination model selection as full duplex equipment can be similar with the mode that base station eliminates model selection as the progress interference of full duplex equipment, and the embodiment of the present invention will not be repeated here.

UE is it is determined that after interference elimination pattern, can estimate that the self-interference under the interference elimination pattern eliminates ability, and measure the signal to noise ratio under the interference elimination pattern.

The self-interference that base station is reported according to UE eliminates ability and UE receives the signal-tonoise information of echo signal, it may be determined that UE self-interference eliminates ability and signal-tonoise information.

In the embodiment of the present invention, base station determines that the mode of the channel quality of the antenna of base station is similar as method during full duplex equipment with above-described embodiment base station, and the embodiment of the present invention will not be repeated here.

When the transmission mode selection criterion of base station does not need channel quality parameter, this step can not be performed,

UE can not also be reported to channel quality. Again, base station determines UE transmission mode according to predetermined transmission mode selection criterion.

It might as well assume that the average signal-to-noise ratio for receiving signal is（Unit decibel）, the signal of reception and the power ratio of remnants self-interference powers are fi (unit decibels）Transmission mode selection function for/(, then

As/()>During o, full-duplex mode is selected；When 0, semiduplex mode is selected.Base station can also be by the channel quality of the uplink/downlink antenna of the base station and/or the traffic information of the base station, in the parameter for including transmission mode selection function, from channel quality and/or the angle of portfolio, model selection is transmitted with reference to the signal-tonoise information that the self-interference elimination ability of base station and base station receive echo signal.

Finally, base station sends the configuration information and schedule information of transmission mode to UE.

Base station is determined after UE transmission mode, the transmission mode of selection and corresponding transmission of configuration information can be sent into UE.In the embodiment of the present invention, base station can use a kind of new Physical Downlink Control Channel form（PDCCH format), Multiinputoutput form（MIMO format) it is corresponding with full-duplex transmission mode, indicate that the user enters full duplex state.Base station and full duplex equipment are communicated according to selected transmission mode.

Base station can also configure corresponding schedule information according to the channel quality of reporting of user, including up-downgoing the scheduling running time-frequency resource, MCS, RV, the transmission power that use etc..

Base station is when for full duplex device configuration up-downgoing scheduling parameter, in addition it is also necessary to which the self-interference reported according to full duplex equipment deletes influence of the ability anticipation transmitting terminal to receiving terminal, and the suitably parameter such as adjustment up-downgoing transmission power, MCS.

In addition, in order to improve transmission reliability, enhanced transmission mode is set, notify full duplex equipment in DM RS (the demodulate reference signal for downstream transmission, demodulated reference signal) no data information transfer on corresponding RE, or in all corresponding RE transmitting datas information of DM RS but data message uses lower-wattage.

Fig. 6 is transmission mode collocation method flow chart of the embodiment of the present invention.Fig. 6 method is performed by UE.The UE is full duplex equipment.

601, user equipment (UE) sends transmission mode information to base station, and the transmission mode information includes should UE self-interference eliminates ability information and the UE receives the signal-tonoise information of echo signal.

602, the UE receive the transmission of configuration information of base station transmission.

Wherein, the signal-tonoise information that the transmission of configuration information eliminates ability information and UE reception echo signals by the base station according to the self-interference of the UE determines that the transmission of configuration information is used for the corresponding configuration of transmission mode and the transmission mode for indicating the UE.

603, the UE configures the transmission mode of the UE according to the transmission of configuration information.

In the embodiment of the present invention, full duplex UE to base station by sending transmission mode information, so that base station determines UE transmission mode according to transmission mode information, it is to avoid influence of the too strong self-interference to full duplex system, so as to improving the performance of full duplex system.

Alternatively, this method also includes：The UE sends the channel quality information of the antenna of the base station to the base station.Wherein the channel quality information of the antenna of the base station is used for the transmission mode that the base station determines the UE according to the channel quality information of the antenna of the self-interference of UE elimination ability information, the signal-tonoise information of UE reception echo signals and the base station.

Alternatively, the channel quality information may include：The channel quality information of whole antennas of the base station of UE measurements；Or the UE measurement the base station whole antennas channel quality information in preferred channels quality information；Or the channel quality information of the uplink/downlink antenna of UE measurements, the uplink/downlink antenna is the preassigned uplink/downlink antenna of fixation uplink/downlink antenna or the base station of the base station.

Alternatively, before UE sends transmission mode information to base station, this method also includes：The UE obtains the corresponding relation for receiving interfering signal power, echo signal power and optimal interference elimination pattern of the UE；Current optimal interference elimination patterns of the UE according to corresponding to the corresponding relation of the reception interfering signal power, echo signal power and optimal interference elimination pattern of the UE determines the current dry 4 outstanding signal powers and current goal signal power of the UE；The self-interference that the UE is obtained under optimal interference elimination pattern in this prior eliminates ability information.

Further, the UE obtains the reception interfering signal power of the UE, echo signal power and the corresponding relation of optimal interference elimination pattern and included：The UE measures the performance that one-level interference elimination patterns and two-stage of the UE in the case where receiving interfering signal power, echo signal power disturb elimination pattern；

The UE determines that the UE eliminates pattern in the optimal interference of the reception interfering signal power, the echo signal power；The UE sets up the reception interfering signal power of the UE, the echo signal power with being somebody's turn to do

UE optimal interference eliminates the corresponding relation of pattern.

UE by with base station interactive information so that it is determined that the method for transmission mode is referred in Fig. 1 method

UE is the specific embodiment of full duplex equipment, and the embodiment of the present invention will not be repeated here. Fig. 7 is the structural representation of base station of the embodiment of the present invention 700.Base station 700 may include：Determining unit 701.

Determining unit 701, eliminates ability information available for the self-interference for determining full duplex equipment and the full duplex equipment receives the signal-tonoise information of echo signal.

Determining unit 701, is additionally operable to eliminate ability information according to the self-interference of the full duplex equipment and the full duplex equipment receives the signal-tonoise information of echo signal, determine the transmission mode of the full duplex equipment.

Wherein, the transmission mode includes full-duplex mode and semiduplex mode.

Specifically, it is determined that unit 701 can determine the transmission mode of the full duplex equipment based on predetermined transmission mode selection criterion, for example, based on the maximized criterion selection transmission mode of ergodic capacity for causing base station.

In the embodiment of the present invention, base station 700 eliminates at least one of the information such as ability, signal-tonoise information, the channel quality of base station 700, the traffic information of base station 700 information according to the self-interference of full duplex equipment, with reference to transmission mode selection criterion, determine the transmission mode of full duplex equipment, influence of the too strong self-interference to full duplex system is avoided, so as to improve the performance of full duplex system.

Optionally it is determined that unit 701, is additionally operable to determine the channel quality information of the antenna of base station 700.In the transmission mode for determining the full duplex equipment, determining unit 701 determines the transmission mode of the full duplex equipment specifically for eliminating the channel quality information that ability information, the full duplex equipment receive the signal-tonoise information of echo signal and the antenna of base station 700 according to the self-interference of the full duplex equipment.

Wherein, the channel quality information of the antenna of base station 700 may include the channel quality information of the uplink antenna of base station 700 and the channel quality information of uplink/downlink antenna, the channel quality information of the uplink antenna of base station 700 is the uplink signal-channel quality information of base station 700, and the channel quality information of the uplink/downlink antenna of base station 700 is the downlink channel quality information of base station 700.Base station 700 may indicate that the down channel quality of UE measurements base station 700 and report the downlink channel quality information, base station 700 may further indicate that UE sends reference signal, and base station 700 obtains the uplink signal-channel quality information of base station 700 by measuring UE reference signal.

Optionally it is determined that unit 701, is additionally operable to determine the traffic information of base station 700.In the transmission mode for determining the full duplex equipment, determining unit 701 specifically for according to the full duplex equipment from Interference eliminates signal-tonoise information, the channel quality information of the antenna of base station 700 and the traffic information of base station 700 that ability information, the full duplex equipment receive echo signal, determines the transmission mode of the full duplex equipment.

Wherein, the traffic information of base station 700, it may include the upstream traffic information and/or downlink traffic information of base station 700.

Optionally it is determined that unit 701, is additionally operable to determine the channel quality information and the traffic information of base station 700 of the antenna of base station 700.In the transmission mode for determining the full duplex equipment, determining unit 701 determines the transmission mode of the full duplex equipment specifically for eliminating signal-tonoise information, the channel quality information of the antenna of base station 700, the channel quality information of the antenna of base station 700 and the traffic information of base station 700 that ability information, the full duplex equipment receive echo signal according to the self-interference of the full duplex equipment.

In addition, optional, base station 700 also includes receiving unit 702.

Optionally, as one embodiment, in the channel quality information of the antenna for determining base station 700, determining unit 701 specifically for：The channel quality information of the whole antennas for the base station 700 that the lower user equipment (UE) in base station 700 is measured is received by receiving unit 702, and determine base station 700 whole antennas channel quality information in preferred channels quality information be base station 700 uplink/downlink antenna channel quality information.

Optionally, as another embodiment, in the channel quality information of the antenna for determining base station 700, determining unit 701 specifically for：The channel quality information of the optimal antenna of UE measurements is received by receiving unit 702, and determining that the information of the channel quality of optimal antenna is the channel quality information of the uplink/downlink antenna of base station 700, the wherein optimal antenna measures the antenna of preferred channels quality for the UE in whole antennas of base station 700.

Optionally, as further embodiment, in the channel quality information of the antenna for determining base station 700, determining unit 701 specifically for：The channel quality information of whole antennas of the base station 700 of the lower UE measurements in base station 700 is received by receiving unit 702, determine base station 700 whole antennas channel quality information in channel quality corresponding to the preassigned uplink/downlink antenna in base station 700 information be base station 700 uplink/downlink antenna channel quality information.Wherein, the preassigned uplink/downlink antenna in base station 700 is obtained by the UE according to the antenna configuration information of the transmission of base station 700.

Optionally, as further embodiment, in the channel quality information of the antenna for determining base station 700, determining unit 701 specifically for：The channel quality information of the preassigned uplink/downlink antenna in base station 700 of UE measurements is received by receiving unit 702, and determines channel quality information of the channel quality information of the preassigned uplink/downlink antenna in base station 700 for the uplink/downlink antenna of base station 700.Wherein, base station 700 is pre- The uplink/downlink antenna first specified is obtained by the UE according to the antenna configuration information of the transmission of base station 700.

Optionally, as further embodiment, in the channel quality information of the antenna for determining base station 700, determining unit 701 specifically for：The channel quality information of whole antennas of the UE measurements of base station 700 is received by receiving unit 702, and determines the channel quality information for the uplink/downlink antenna that the channel quality information fixed in the channel quality information of whole antennas of UE measurements corresponding to uplink/downlink antenna is base station 700.

Optionally, as further embodiment, in the channel quality information of the antenna for determining base station 700, determining unit 701 specifically for：By receiving unit 702 receive the UE measurement base station 700 fixation uplink/downlink antenna channel quality information, and determine base station 700 fixation uplink/downlink antenna channel quality information for base station 700 uplink/downlink antenna channel quality information.

Alternatively, the full duplex equipment is the UE of base station 700, or the full duplex equipment is base station 700.Alternatively, base station 700 may also include transmitting element 703.Transmitting element 703, schedule information is sent available for the channel quality according to base station 700 and the corresponding transmission configuration of the transmission mode to the UE.The schedule information includes following at least one：Running time-frequency resource information, MCS, RV and transmission power used during the up-downgoing scheduling of base station 700 etc..

Further, when the full duplex equipment is the UE, the transmitting element is additionally operable to send transmission of configuration information to the UE, and the transmission of configuration information includes the corresponding transmission configuration of the transmission mode.

Alternatively, when the full duplex equipment be base station 700 when, for obtain full duplex equipment self-interference eliminate ability, determining unit 701 specifically for：Obtain base station 700 receives interfering signal power, echo signal power and the corresponding relation of optimal interference elimination pattern；Current optimal interference elimination pattern according to corresponding to the corresponding relation of the reception interfering signal power of base station 700, echo signal power and optimal interference elimination pattern determines the current interfering signal power and current goal signal power of base station 700；The optimal self-interference disturbed under elimination pattern eliminates ability in this prior for estimation.

Further, for obtain base station 700 receive interfering signal power, echo signal power with it is optimal interference elimination pattern corresponding relation, determining unit 701 specifically for：Measure the performance that one-level interference elimination pattern and two-stage of the base station 700 in the case where receiving interfering signal power, echo signal power disturb elimination pattern；Determine that base station 700 eliminates pattern in the optimal interference of the reception interfering signal power, the echo signal power；The optimal interference for setting up the reception interfering signal power, the echo signal power and base station 700 of base station 700 eliminates the corresponding relation of pattern.

The method that base station 700 can also carry out Fig. 1, and the perform function for the base station disclosed in Fig. 1 specific embodiment is realized, realize that the above-mentioned base station when base station is full duplex equipment determines that full duplex equipment transmits mould The perform function for the base station disclosed in the specific embodiment of formula, realizes that the above-mentioned base station when UE is full duplex equipment determines the perform function for the base station disclosed in the specific embodiment of full duplex equipment transmission mode, the embodiment of the present invention will not be repeated here.

Fig. 8 is the structural representation of user equipment 800.User equipment 800 is full duplex equipment.User equipment 800 may include：Transmitting element 801, receiving unit 802 and dispensing unit 803.

Transmitting element 801, transmission mode information is sent available for base station.Wherein, the transmission mode information includes the self-interference elimination ability information of user equipment 800 and the signal-tonoise information of the reception echo signal of user equipment 800.

Receiving unit 802, available for the transmission of configuration information for receiving base station transmission.The signal-tonoise information that the transmission of configuration information that the base station is sent can receive echo signal by the base station according to the self-interference of user equipment 800 elimination ability information and user equipment 800 is determined.Wherein, the corresponding configuration of transmission mode and the transmission mode of the transmission of configuration information instruction user equipment 800.

Dispensing unit 803, available for the transmission mode that user equipment 800 is configured according to the transmission of configuration information.

In the embodiment of the present invention, full duplex user equipment 800 to base station transmission self-interference elimination ability, signal-tonoise information etc. by causing base station to determine transmission mode based on certain transmission mode selection criterion, influence of the too strong self-interference to full duplex system is avoided, so as to improve the performance of full duplex system.

Optionally, transmitting element 801 can be additionally used in the channel quality information that the antenna of base station is sent to base station, and the wherein channel quality information of the antenna of the base station is used for the transmission mode that the base station determines the UE according to the channel quality information of the antenna of the self-interference of UE elimination ability information, the signal-tonoise information of UE reception echo signals and the base station.

Alternatively, the channel quality information may include：The channel quality information of the whole antennas for the base station that user equipment 800 is measured；Or user equipment 800 measure the base station whole antennas channel quality information in preferred channels quality information；Or the channel quality information of the uplink/downlink antenna of the measurement of user equipment 800, the uplink/downlink antenna is the preassigned uplink/downlink antenna of fixation uplink/downlink antenna or the base station of the base station.

Alternatively, user equipment 800 may also include acquiring unit 804 and determining unit 805.

Acquiring unit 804, available for the corresponding relation for receiving interfering signal power, echo signal power and optimal interference elimination pattern for obtaining user equipment 800.

Determining unit 805, the corresponding relation available for the reception interfering signal power according to user equipment 800, echo signal power and optimal interference elimination pattern determines the current interference signal work(of user equipment 800 Current optimal interference elimination pattern corresponding to rate and current goal signal power.

The self-interference that acquiring unit 804 can also be used to obtain under optimal interference elimination pattern in this prior eliminates ability information.

Alternatively, for obtain user equipment 800 receive interfering signal power, echo signal power with it is optimal interference elimination pattern corresponding relation when, acquiring unit 804 specifically for：Measure the performance that one-level interference elimination pattern and two-stage of the user equipment 800 in the case where receiving interfering signal power, echo signal power disturb elimination pattern；Determine that user equipment 800 eliminates pattern in the optimal interference of the reception interfering signal power, the echo signal power；The optimal interference for setting up the reception interfering signal power, the echo signal power and user equipment 800 of user equipment 800 eliminates the corresponding relation of pattern.

In addition, the method that user equipment 800 can also carry out Fig. 6, and realize the UE disclosed in Fig. 6 specific embodiment perform function, realize that the above-mentioned base station when base station is full duplex equipment determines the UE disclosed in the specific embodiment of full duplex equipment transmission mode perform function, realize that the above-mentioned base station when UE is full duplex equipment determines the UE disclosed in the specific embodiment of full duplex equipment transmission mode perform function, the embodiment of the present invention will not be repeated here.

Fig. 9 is the structural representation of base station of the embodiment of the present invention 900.Base station 900 may include transmitter

903rd, receiver 901, processor 902 and memory 904.

Receiver 901, transmitter 903, processor 902 and memory 904 are connected with each other by the system of bus 905.Bus 905 can be isa bus, pci bus or eisa bus etc..The bus can be divided into address bus, data/address bus, controlling bus etc..For ease of representing, only represented in Fig. 9 with a four-headed arrow, it is not intended that only one bus or a type of bus.

Memory 904, for depositing program.Specifically, program can include program code, and described program code includes computer-managed instruction.Memory 904 can include read-only storage and random access memory, and provide instruction and data to processor 902.Memory 904 may include high-speed RAM memory, it is also possible to also including nonvolatile memory（Non-volatile memory), for example, at least one magnetic disk storage.

Processor 902, perform the program that memory 904 is deposited, for being obtained by transmitter 903 and receiver 901, the self-interference of full duplex equipment eliminates ability and the full duplex equipment receives the signal-tonoise information of echo signal, it is additionally operable to eliminate ability information according to the self-interference of the full duplex equipment and the full duplex equipment receives the signal-tonoise information of echo signal, determines the transmission mode of the full duplex equipment.

Wherein, the self-interference of full duplex equipment eliminates ability information, refers to that full duplex equipment eliminates the letter of the emitter of full duplex equipment to the ability of the signal interference of full duplex equipment receiver in a full-duplex mode Breath.Full duplex equipment receives the signal-tonoise information of echo signal, refers to the information of the signal to noise ratio of full duplex equipment reception echo signal under the influence of self-interference.The transmission mode includes full-duplex mode and semiduplex mode.

Specifically, processor 902 can determine the transmission mode of the full duplex equipment based on predetermined transmission mode selection criterion, for example, based on the maximized criterion selection transmission mode of ergodic capacity for causing base station.

The method that the above-mentioned base station as disclosed in Fig. 1 of the present invention embodiment is performed, the above-mentioned base station when base station is full duplex equipment determines the method that the base station disclosed in the specific embodiment of full duplex equipment transmission mode is performed, and the above-mentioned base station when UE is full duplex equipment determines the method that the base station disclosed in the specific embodiment of full duplex equipment transmission mode is performed, it can apply in processor 902, or realized by processor 902.Processor 902 is probably a kind of IC chip, the disposal ability with signal.In implementation process, each step of the above method can be completed by the integrated logic circuit of the hardware in processor 902 or the instruction of software form.Above-mentioned processor 902 can be general processor, including central processing unit（Central Processing Unit, abbreviation CPU), network processing unit（Network Processor, abbreviation NP) etc.；It can also be digital signal processor（DSP), application specific integrated circuit (ASIC), ready-made programmable gate array（) or other PLDs, discrete gate or transistor logic, discrete hardware components FPGA.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor can be microprocessor or the processor can also be any conventional processor etc..The step of method with reference to disclosed in the embodiment of the present invention, can be embodied directly in hardware decoding processor and perform completion, or perform completion with the hardware in decoding processor and software module combination.Software module can be located in random access memory, flash memory, read-only storage, the ripe storage medium in this area such as programmable read only memory or electrically erasable programmable memory, register.The storage medium is located at memory 904, and processor 902 reads the information in memory 904, the step of completing the above method with reference to its hardware.

In the embodiment of the present invention, base station 900 eliminates ability according to the self-interference of full duplex equipment and the full duplex equipment receives the signal-tonoise information of echo signal, determine the transmission mode of full duplex equipment, influence of the too strong self-interference to full duplex system is avoided, so as to improve the performance of full duplex system.

Alternatively, processor 902 can also obtain the channel quality information of the antenna of base station 900 by transmitter 903 and receiver 901.In the transmission mode for determining full duplex equipment, processor 902 determines the transmission of the full duplex equipment specifically for eliminating the channel quality information that ability information, the full duplex equipment receive the signal-tonoise information of echo signal and the antenna of base station 900 according to the self-interference of the full duplex equipment Pattern.

Wherein, the channel quality information of the antenna of base station 900 may include the channel quality information of the uplink antenna of base station 900 and the channel quality information of uplink/downlink antenna, the channel quality information of the uplink antenna of base station 900 is the uplink signal-channel quality information of base station 900, and the channel quality information of the uplink/downlink antenna of base station 900 is the downlink channel quality information of base station 900.Processor 902 can indicate that UE measures the down channel quality of base station 900 and reports the downlink channel quality information by transmitter 903, processor 902 can also indicate that UE sends reference signal by transmitter 903, and processor 902 obtains the uplink signal-channel quality information of base station 900 by measuring UE reference signal.

Alternatively, processor 902 can also obtain the traffic information of base station 900 by transmitter 903 and receiver 901.In the transmission mode for determining full duplex equipment, processor 902 receives the signal-tonoise information of echo signal and the traffic information of base station 900 specifically for eliminating ability information, the full duplex equipment according to the self-interference of the full duplex equipment, determines the transmission mode of the full duplex equipment.

Wherein, the traffic information of base station 900, it may include the upstream traffic information and/or downlink traffic information of base station 900.

Alternatively, processor 902 can also obtain the channel quality information of the traffic information of base station 900 and the antenna of base station 900 by transmitter 903 and receiver 901.In the transmission mode for determining full duplex equipment, processor 902 determines the transmission mode of the full duplex equipment specifically for eliminating the channel quality information that ability information, the full duplex equipment receive the signal-tonoise information, the traffic information of base station 900 and the antenna of base station 900 of echo signal according to the self-interference of the full duplex equipment.

Optionally, as one embodiment, in the channel quality information of the antenna for determining base station 900, processor 902 specifically for：The channel quality information of the whole antennas for the base station 900 that the lower user equipment (UE) in base station 900 is measured is received by receiver 901, and determine base station 900 whole antennas channel quality information in preferred channels quality information be base station 900 uplink/downlink antenna channel quality information.

Optionally, as another embodiment, in the channel quality information of the antenna for determining base station 900, processor 902 specifically for：The channel quality information of the optimal antenna of UE measurements is received by receiver 901, and determining that the information of the channel quality of optimal antenna is the channel quality information of the uplink/downlink antenna of base station 900, the wherein optimal antenna measures the antenna of preferred channels quality for the UE in whole antennas of base station 900.

Optionally, as further embodiment, in the channel quality information of the antenna for determining base station 900, processor 902 specifically for：The UE received by receiver 901 under base station 900 is surveyed The channel quality information of whole antennas of the base station 900 of amount, determine base station 900 whole antennas channel quality information in channel quality corresponding to the preassigned uplink/downlink antenna in base station 900 information for the uplink/downlink antenna of base station 900 channel quality information.Wherein, the preassigned uplink/downlink antenna in base station 900 is obtained by the UE according to the antenna configuration information of the transmission of base station 900.

Optionally, as further embodiment, in the channel quality information of the antenna for determining base station 900, processor 902 specifically for：The channel quality information of the preassigned uplink/downlink antenna in base station 900 of UE measurements is received by receiver 901, and determines channel quality information of the channel quality information of the preassigned uplink/downlink antenna in base station 900 for the uplink/downlink antenna of base station 900.Wherein, the preassigned uplink/downlink antenna in base station 900 is obtained by the UE according to the antenna configuration information of the transmission of base station 900.

Optionally, as further embodiment, in the channel quality information of the antenna for determining base station 900, processor 902 specifically for：The channel quality information of whole antennas of the UE measurements of base station 900 is received by receiver 901, and determines the channel quality information for the uplink/downlink antenna that the channel quality information fixed in the channel quality information of whole antennas of UE measurements corresponding to uplink/downlink antenna is base station 900.

Optionally, as further embodiment, in the channel quality information of the antenna for determining base station 900, processor 902 specifically for：By receiver 901 receive the UE measurement base station 900 fixation uplink/downlink antenna channel quality information, and determine base station 900 fixation uplink/downlink antenna channel quality information for base station 900 uplink/downlink antenna channel quality information.

Alternatively, the full duplex equipment is the UE of base station 900, or the full duplex equipment is base station 900.Alternatively, transmitter 903, schedule information is sent available for the channel quality according to base station 900 and the corresponding transmission configuration of the transmission mode to the UE.The schedule information includes following at least one：Running time-frequency resource information, MCS, RV and transmission power used during the up-downgoing scheduling of base station 900 etc..

Alternatively, when the full duplex equipment be base station 900 when, for obtain full duplex equipment self-interference eliminate ability, processor 902 specifically for：The corresponding relation for receiving interfering signal power, echo signal power and optimal interference elimination pattern of base station 900 is obtained by receiver 901；Current optimal interference elimination pattern according to corresponding to the corresponding relation of the reception interfering signal power of base station 900, echo signal power and optimal interference elimination pattern determines the current interfering signal power and current goal signal power of base station 900；The optimal self-interference disturbed under elimination pattern eliminates ability in this prior for estimation.

Further, the reception interfering signal power for obtaining base station 900, echo signal power with It is optimal interference elimination pattern corresponding relation, processor 902 specifically for：Measure the performance that one-level interference elimination pattern and two-stage of the base station 900 in the case where receiving interfering signal power, echo signal power disturb elimination pattern；Determine that base station 900 eliminates pattern in the optimal interference of the reception interfering signal power, the echo signal power；The optimal interference for setting up the reception interfering signal power, the echo signal power and base station 900 of base station 900 eliminates the corresponding relation of pattern.

The method that base station 900 can also carry out Fig. 1, and realize the perform function for the base station disclosed in Fig. 1 specific embodiment, the above-mentioned base station when base station is full duplex equipment determines the perform function for the base station disclosed in the specific embodiment of full duplex equipment transmission mode, and the above-mentioned base station when UE is full duplex equipment determines the perform function for the base station disclosed in the specific embodiment of full duplex equipment transmission mode, the embodiment of the present invention is no longer praised state herein.

Figure 10 is the structural representation of full duplex of embodiment of the present invention user equipment 1000.Full duplex user equipment 1000 may include transmitter 1003, receiver 1001, processor 1002 and memory 1004.

Receiver 1001, transmitter 1003, processor 1002 and memory 1004 are connected with each other by the system of bus 1005.Bus 1005 can be isa bus, pci bus or eisa bus etc..The bus can be divided into address bus, data/address bus, controlling bus etc..For ease of representing, only represented in Figure 10 with a four-headed arrow, it is not intended that only one bus or a type of bus.

Memory 1004, for depositing program.Specifically, program can include program code, and described program code includes computer-managed instruction.Memory 1004 can include read-only storage and random access memory, and provide instruction and data to processor 1002.Memory 1004 may include high-speed RAM memory, it is also possible to also including nonvolatile memory（Non-volatile memory), for example, at least one magnetic disk storage.

Transmitter 1003, transmission mode information is sent available for base station.Wherein, the transmission mode information includes the self-interference elimination ability information of user equipment 1000 and the signal-tonoise information of the reception echo signal of user equipment 1000.

Transmitter 1003 can be additionally used in the channel quality information that the antenna of base station is sent to base station.

Receiver 1001, available for the transmission of configuration information for receiving base station transmission.The transmission of configuration information that the base station is sent can receive at least one of the channel quality information of antenna of the signal-tonoise information of echo signal, the traffic information of base station and base station information according to the self-interference of user equipment 1000 elimination ability information, user equipment 1000 by the base station and determine.Wherein, the corresponding configuration of transmission mode and the transmission mode of the transmission of configuration information instruction user equipment 1000.

Processor 1002, performs the program that memory 1004 is deposited, available for according to the transmission configuration The transmission mode of information configuration user equipment 1000.

The method that the above-mentioned UE as disclosed in Fig. 6 of the present invention embodiment is performed, the above-mentioned base station when base station is full duplex equipment determines the method that the UE disclosed in the specific embodiment of full duplex equipment transmission mode is performed, and the above-mentioned base station when UE is full duplex equipment determines the method that the UE disclosed in the specific embodiment of full duplex equipment transmission mode is performed, it can apply in processor 1002, or realized by processor 1002.Processor 1002 is probably a kind of IC chip, the disposal ability with signal.In implementation process, each step of the above method can be completed by the integrated logic circuit of the hardware in processor 1002 or the instruction of software form.Above-mentioned processor 1002 can be general processor, including central processing unit（Central Processing Unit, abbreviation CPU), network processing unit（Network Processor, abbreviation NP) etc.；It can also be digital signal processor（DSP), application specific integrated circuit (ASIC), ready-made programmable gate array（) or other PLDs, discrete gate or transistor logic, discrete hardware components FPGA.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor can be microprocessor or the processor can also be any conventional processor etc..The step of method with reference to disclosed in the embodiment of the present invention, can be embodied directly in hardware decoding processor and perform completion, or perform completion with the hardware in decoding processor and software module combination.Software module can be located in random access memory, flash memory, read-only storage, the ripe storage medium in this area such as programmable read only memory or electrically erasable programmable memory, register.The storage medium is located at memory 1004, and processor 1002 reads the information in memory 1004, the step of completing the above method with reference to its hardware.

In the embodiment of the present invention, full duplex user equipment 1000 eliminates at least one of the information such as ability, signal-tonoise information, the channel quality of full duplex user equipment 1000, the traffic information of full duplex user equipment 1000 information according to the self-interference of full duplex equipment, with reference to transmission mode selection criterion, determine the transmission mode of full duplex equipment, influence of the too strong self-interference to full duplex system is avoided, so as to improve the performance of full duplex system.

Alternatively, the channel quality information may include：The channel quality information of the whole antennas for the base station that user equipment 1000 is measured；Or user equipment 1000 measure the base station whole antennas channel quality information in preferred channels quality information；Or the channel quality information of the uplink/downlink antenna of the measurement of user equipment 1000, the uplink/downlink antenna is the preassigned uplink/downlink antenna of fixation uplink/downlink antenna or the base station of the base station.

Alternatively, processor 1002 can be additionally used in the corresponding relation for receiving interfering signal power, echo signal power and optimal interference elimination pattern for obtaining user equipment 1000, and connecing according to user equipment 1000 Receipts interfering signal power, echo signal power and the corresponding relation of optimal interference elimination pattern determine the current optimal interference elimination pattern corresponding to the current interfering signal power and current goal signal power of user equipment 1000.

Alternatively, the self-interference that processor 1002 can also be used to obtain under optimal interference elimination pattern in this prior eliminates ability information.

Alternatively, for obtain user equipment 1000 receive interfering signal power, echo signal power with it is optimal interference elimination pattern corresponding relation when, processor 1002 specifically for：Measure the performance that one-level interference elimination pattern and two-stage of the user equipment 1000 in the case where receiving interfering signal power, echo signal power disturb elimination pattern；Determine that user equipment 1000 eliminates pattern in the optimal interference of the reception interfering signal power, the echo signal power；The optimal interference for setting up the reception interfering signal power, the echo signal power and user equipment 1000 of user equipment 1000 eliminates the corresponding relation of pattern.

In addition, the method that user equipment 1000 can also carry out Fig. 6, and realize the UE disclosed in Fig. 6 specific embodiment perform function, the above-mentioned base station when base station is full duplex equipment determines the UE disclosed in the specific embodiment of full duplex equipment transmission mode perform function, and the above-mentioned base station when UE is full duplex equipment determines the UE disclosed in the specific embodiment of full duplex equipment transmission mode perform function, the embodiment of the present invention will not be repeated here.

It should be understood that, in various embodiments of the present invention, the size of the sequence number of above-mentioned each process is not meant to the priority of execution sequence, and the execution sequence of each process should be determined with its function and internal logic, and any limit is constituted without tackling the implementation process of the embodiment of the present invention.

Those of ordinary skill in the art are it is to be appreciated that the unit and algorithm steps of each example described with reference to the embodiments described herein, can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are performed with hardware or software mode actually, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel can realize described function to each specific application using distinct methods, but this realization is it is not considered that beyond the scope of this invention.

It is apparent to those skilled in the art that, for convenience and simplicity of description, the specific work process of the system of foregoing description, device and unit may be referred to the corresponding process in preceding method embodiment, will not be repeated here.

In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can realize by another way.For example, device embodiment described above is only schematical, such as, the division of the unit, it is only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can combine or be desirably integrated into another System, or some features can be ignored, or not perform.Another, it, by some interfaces, the INDIRECT COUPLING or communication connection of device or unit, can be electrical, machinery or other forms that shown or discussed coupling or direct-coupling or communication connection each other, which can be,.

The unit illustrated as separating component can be or may not be physically separate, and the part shown as unit can be or may not be physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.

In addition, each functional unit in each of the invention embodiment can be integrated in a processing unit or unit is individually physically present, can also two or more units it is integrated in a unit.

If the function is realized using in the form of SFU software functional unit and as independent production marketing or in use, can be stored in a computer read/write memory medium.Understood based on such, the part or the part of the technical scheme that technical scheme substantially contributes to prior art in other words can be embodied in the form of software product, the computer software product is stored in a storage medium, including some instructions are to cause a computer equipment（Can be personal computer, server, or network equipment etc.）Perform all or part of step of each embodiment methods described of the invention.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage（ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.

It is described above; only embodiment of the invention, but protection scope of the present invention is not limited thereto, any one skilled in the art the invention discloses technical scope in; change or replacement can be readily occurred in, should be all included within the scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims

Claim

1st, a kind of system of selection of transmission mode, it is characterised in that including：

Base station determines that the self-interference of full duplex equipment eliminates ability information and the full duplex equipment receives the signal-tonoise information of echo signal；

The base station eliminates ability information according to the self-interference of the full duplex equipment and the full duplex equipment receives the signal-tonoise information of echo signal, determines the transmission mode of the full duplex equipment, and the transmission mode includes full-duplex mode and semiduplex mode.

2nd, the method as described in claim 1, it is characterised in that

Methods described also includes：The base station determines the channel quality information of the antenna of the base station；The base station eliminates ability information according to the self-interference of the full duplex equipment and the full duplex equipment receives the signal-tonoise information of echo signal, and determining the transmission mode of the full duplex equipment includes：The base station eliminates the channel quality information that ability information, the full duplex equipment receive the signal-tonoise information of echo signal and the antenna of the base station according to the self-interference of the full duplex equipment, determines the transmission mode of the full duplex equipment.

3rd, method as claimed in claim 2, it is characterised in that the base station determines that the channel quality information of the antenna of the base station includes：

The base station receives the channel quality information of whole antennas of the base station of the user equipment (UE) measurement under the base station, and determine the base station whole antennas channel quality information in preferred channels quality information for the uplink/downlink antenna of the base station channel quality information；Or

The base station receives the channel quality information of the optimal antenna of the UE measurements, and determine optimal antenna channel quality information for the uplink/downlink antenna of the base station channel quality information, wherein UE measures the antenna of preferred channels quality described in whole antennas of the optimal antenna for the base station.

4th, method as claimed in claim 2, it is characterised in that the base station determines that the channel quality information of the antenna of the base station includes：

The base station receives the channel quality information of whole antennas of the base station of the UE measurements under the base station, determine the base station whole antennas channel quality information described in channel quality corresponding to the preassigned uplink/downlink antenna in base station information for the uplink/downlink antenna of the base station channel quality information；Or the base station receives the channel quality information of the preassigned uplink/downlink antenna in the base station of the UE measurements, and determine channel quality information of the channel quality information of the preassigned uplink/downlink antenna in the base station for the uplink/downlink antenna of the base station； Wherein, the preassigned uplink/downlink antenna in the base station is obtained by the UE antenna configuration informations sent according to the base station.

5th, method as claimed in claim 2, it is characterised in that the base station determines that the channel quality information of the antenna of the base station includes：

The base station receives the channel quality information of whole antennas of the UE measurements of the base station, and determines the channel quality information for the uplink/downlink antenna that the channel quality information fixed in the channel quality information of whole antennas of the UE measurements corresponding to uplink/downlink antenna is the base station；Or

The base station receives the channel quality information of the fixation uplink/downlink antenna of the base station of the UE measurements, and determine the base station fixation uplink/downlink antenna channel quality information for the uplink/downlink antenna of the base station channel quality information.

6th, the method as described in any one of claim 2 to 5, it is characterised in that

Methods described also includes：The base station determines the traffic information of the base station；

The base station eliminates the channel quality information that ability information, the full duplex equipment receive the signal-tonoise information of echo signal and the antenna of the base station according to the self-interference of the full duplex equipment, and determining the transmission mode of the full duplex equipment includes：The base station eliminates signal-tonoise information, the channel quality information of the antenna of the base station and the traffic information of the base station that ability information, the full duplex equipment receive echo signal according to the self-interference of the full duplex equipment, determines the transmission mode of the full duplex equipment.

7th, the method as described in any one of claim 2 to 6, it is characterised in that the full duplex equipment is the UE of the base station, or the full duplex equipment is the base station.

8th, method as claimed in claim 7, it is characterised in that methods described also includes：The base station sends schedule information according to the channel quality information and the corresponding transmission configuration of the transmission mode of the antenna of the base station to the UE, and the schedule information includes following at least one：Running time-frequency resource information, Modulation and Coding Scheme MCS, redundancy versions RV and the transmission power used during the up-downgoing scheduling of the base station.

9th, method as claimed in claim 8, it is characterised in that when the full duplex equipment is described

During UE, methods described also includes：

The base station sends transmission of configuration information to the UE, and the transmission of configuration information includes the corresponding transmission configuration of the transmission mode.

10th, method as claimed in claim 7 or 8, it is characterised in that when the full duplex equipment is the base station, the self-interference elimination ability that the base station obtains full duplex equipment includes：

The base station obtains the reception interfering signal power of the base station, echo signal power and optimal interference The corresponding relation of elimination pattern；

Current optimal interference elimination pattern of the base station according to corresponding to the corresponding relation of the reception interfering signal power, echo signal power and optimal interference elimination pattern of the base station determines the current interfering signal power and current goal signal power of the base station；

Self-interference of the base station estimation under the current optimal interference elimination pattern eliminates ability.

11st, method as claimed in claim 10, it is characterised in that the base station determines that stating the reception interfering signal power of base station, echo signal power and the corresponding relation of optimal interference elimination pattern includes：One-level interference elimination pattern and two-stage of the base station described in the base station measurement in the case where receiving interfering signal power, echo signal power disturb the performance of elimination pattern；

The base station determines that the base station eliminates pattern in the optimal interference of the reception interfering signal power, the echo signal power；

The reception interfering signal power of the base station, the echo signal power and the corresponding relation of the optimal interference elimination pattern of the base station are set up in the base station.

12nd, a kind of transmission mode collocation method, it is characterised in that including：

User equipment (UE) sends transmission mode information to base station, and the transmission mode information includes described

UE self-interference eliminates ability information and the UE receives the signal-tonoise information of echo signal, and the UE is full duplex equipment；

The UE receives the transmission of configuration information that the base station is sent, the signal-tonoise information that the transmission of configuration information eliminates ability information and UE reception echo signals by the base station according to the self-interference of the UE determines that the transmission of configuration information is used for the corresponding configuration of transmission mode and the transmission mode for indicating the UE；

The UE configures the transmission mode of the UE according to the transmission of configuration information.

13rd, method as claimed in claim 12, it is characterised in that methods described also includes：The UE sends the channel quality information of the antenna of the base station to the base station, wherein the channel quality information of the antenna of the base station is used for the transmission mode that the base station determines the UE according to the channel quality information of the antenna of the self-interference of UE elimination ability information, the signal-tonoise information of UE reception echo signals and the base station.

14th, method as claimed in claim 13, it is characterised in that the channel quality information includes：The channel quality information of whole antennas of the base station of the UE measurements；Or

The information of preferred channels quality in the channel quality information of whole antennas of the base station of the UE measurements；Or The channel quality information of the uplink/downlink antenna of the UE measurements, the uplink/downlink antenna is the preassigned uplink/downlink antenna of fixation uplink/downlink antenna or the base station of the base station.

15th, the method as described in claim 13 or 14, it is characterised in that before the UE sends transmission mode information to base station, methods described also includes：

The UE obtains the corresponding relation for receiving interfering signal power, echo signal power and optimal interference elimination pattern of the UE；

Current optimal interference elimination patterns of the UE according to corresponding to the corresponding relation of the reception interfering signal power, echo signal power and optimal interference elimination pattern of the UE determines the current dry 4 outstanding signal powers and current goal signal power of the UE；

The self-interference that the UE is obtained under the current optimal interference elimination pattern eliminates ability information.

16th, method as claimed in claim 15, it is characterised in that the UE, which obtains the reception interfering signal power of the UE, echo signal power and the corresponding relation of optimal interference elimination pattern, to be included：The UE measures the performance that one-level interference elimination patterns and two-stage of the UE in the case where receiving interfering signal power, echo signal power disturb elimination pattern；

The UE determines that the UE eliminates pattern in the optimal interference of the reception interfering signal power, the echo signal power；

The UE sets up the reception interfering signal power of the UE, the echo signal power and the corresponding relation of the optimal interference elimination pattern of the UE.

17th, a kind of base station, it is characterised in that including：

Determining unit, for determining that the self-interference of full duplex equipment eliminates ability information and the full duplex equipment receives the signal-tonoise information of echo signal；The signal-tonoise information that full duplex equipment receives echo signal is stated, the transmission mode of the full duplex equipment is determined, the transmission mode includes full-duplex mode and semiduplex mode.

18th, base station as claimed in claim 17, it is characterised in that the determining unit is additionally operable to determine the channel quality information of the antenna of the base station；

In the transmission mode for determining the full duplex equipment, the determining unit determines the transmission mode of the full duplex equipment specifically for eliminating the channel quality information that ability information, the full duplex equipment receive the signal-tonoise information of echo signal and the antenna of the base station according to the self-interference of the full duplex equipment.

19th, base station as claimed in claim 18, it is characterised in that the base station also includes receiving single Member,

In the channel quality information of the antenna for determining the base station, the determining unit specifically for：

The channel quality information of the whole antennas for the base station that the user equipment (UE) under the base station is measured is received by the receiving unit, and determine the base station whole antennas channel quality information in preferred channels quality information for the uplink/downlink antenna of the base station channel quality information；Or

The channel quality information of the optimal antenna of the UE measurements is received by the receiving unit, and determine optimal antenna channel quality information for the uplink/downlink antenna of the base station channel quality information, wherein UE measures the antenna of preferred channels quality described in whole antennas of the optimal antenna for the base station.

20th, base station as claimed in claim 18, it is characterised in that the base station also includes receiving unit,

In the channel quality information of the antenna for determining the base station, the determining unit specifically for：

The channel quality information of whole antennas of the base station of UE measurements under the base station is received by the receiving unit, determine the base station whole antennas channel quality information described in channel quality corresponding to the preassigned uplink/downlink antenna in base station information for the uplink/downlink antenna of the base station channel quality information；Or

The channel quality information of the preassigned uplink/downlink antenna in the base station of the UE measurements is received by the receiving unit, and determines channel quality information of the channel quality information of the preassigned uplink/downlink antenna in the base station for the uplink/downlink antenna of the base station；

Wherein, the preassigned uplink/downlink antenna in the base station is obtained by the UE according to the antenna configuration information of the transmission of the base station.

21st, base station as claimed in claim 18, it is characterised in that the base station also includes receiving unit,

In the channel quality information of the antenna for determining the base station, the determining unit specifically for：

The channel quality information of whole antennas of the UE measurements of the base station is received by the receiving unit, and determines the channel quality information for the uplink/downlink antenna that the channel quality information fixed in the channel quality information of whole antennas of the UE measurements corresponding to uplink/downlink antenna is the base station；Or

The channel of the fixation uplink/downlink antenna of the base station of the UE measurements is received by the receiving unit Quality information, and determine the base station fixation uplink/downlink antenna channel quality information for the base station uplink/downlink antenna channel quality information.

22nd, the base station as described in any one of claim 18 to 21, it is characterised in that the determining unit is additionally operable to determine the traffic information of the base station；

In the transmission mode for determining the full duplex equipment, the determining unit determines the transmission mode of the full duplex equipment specifically for eliminating signal-tonoise information, the channel quality information of the antenna of the base station and the traffic information of the base station that ability information, the full duplex equipment receive echo signal according to the self-interference of the full duplex equipment.

23rd, the base station as described in any one of claim 18 to 22, it is characterised in that the full duplex equipment is the UE of the base station, or the full duplex equipment is the base station.

24th, base station as claimed in claim 23, it is characterised in that the base station also includes：Transmitting element, sends schedule information, the schedule information includes following at least one for the channel quality according to the base station and the corresponding transmission configuration of the transmission mode to the UE：Running time-frequency resource information, MCS, RV and the transmission power used during the up-downgoing scheduling of the base station.

25th, base station as claimed in claim 24, it is characterized in that, when the full duplex equipment is the UE, the transmitting element is additionally operable to send transmission of configuration information to the UE, and the transmission of configuration information includes the corresponding transmission configuration of the transmission mode.

26th, the base station as described in claim 24 or 25, it is characterised in that when the full duplex equipment be the base station when, for determine full duplex equipment self-interference eliminate ability, the determining unit specifically for：

Obtain the base station receives interfering signal power, echo signal power and the corresponding relation of optimal interference elimination pattern；

Current optimal interference elimination pattern according to corresponding to the corresponding relation of the reception interfering signal power of the base station, echo signal power and optimal interference elimination pattern determines the current interfering signal power and current goal signal power of the base station；

Estimate that the self-interference under the current optimal interference elimination pattern eliminates ability.

27th, base station as claimed in claim 26, it is characterised in that for obtain the base station receive interfering signal power, echo signal power with it is optimal interference elimination pattern corresponding relation, the determining unit specifically for：

Measure the performance that one-level interference elimination pattern and two-stage of the base station in the case where receiving interfering signal power, echo signal power disturb elimination pattern； Determine that the base station eliminates pattern in the optimal interference of the reception interfering signal power, the echo signal power；

The optimal interference for setting up the reception interfering signal power, the echo signal power and the base station of the base station eliminates the corresponding relation of pattern.

28th, a kind of full duplex user equipment, it is characterised in that including：

Transmitting element, for sending transmission mode information to base station, the transmission mode information includes the self-interference elimination ability information of the user equipment and the signal-tonoise information of user equipment reception echo signal；

Receiving unit, for receiving the transmission of configuration information that the base station is sent, the signal-tonoise information that the transmission of configuration information eliminates ability information and user equipment reception echo signal by the base station according to the self-interference of the user equipment determines that the transmission of configuration information is used to indicate the user device transmissions pattern and the corresponding configuration of the transmission mode；

Dispensing unit, the transmission mode for configuring the user equipment according to the transmission of configuration information.

29th, user equipment as claimed in claim 28, it is characterised in that

The transmitting element is additionally operable to send the channel quality information of the antenna of the base station to the base station, wherein the channel quality information of the antenna of the base station is used for the transmission mode that the base station determines the UE according to the channel quality information of the antenna of the self-interference of UE elimination ability information, the signal-tonoise information of UE reception echo signals and the base station.

30th, user equipment as claimed in claim 29, it is characterised in that the channel quality information includes：

The channel quality information of whole antennas of the base station of the user equipment measurement；Or in the channel quality information of whole antennas of the base station of the user equipment measurement preferred channels quality information；Or

The channel quality information of the uplink/downlink antenna of the user equipment measurement, the uplink/downlink antenna is the preassigned uplink/downlink antenna of fixation uplink/downlink antenna or the base station of the base station.

31st, the user equipment as described in claim 29 or 30, it is characterised in that the user equipment also includes：

Acquiring unit, the corresponding relation for receiving interfering signal power, echo signal power and optimal interference elimination pattern for obtaining the user equipment；

Determining unit, for the reception interfering signal power according to the user equipment, echo signal power with it is optimal interference elimination pattern corresponding relation determine the user equipment current interfering signal power and Current optimal interference elimination pattern corresponding to current goal signal power；

The self-interference that the acquiring unit is additionally operable to obtain under the current optimal interference elimination pattern eliminates ability information.

32nd, the user equipment as described in claim 31, it is characterised in that for obtain the user equipment receive interfering signal power, echo signal power with it is optimal interference elimination pattern corresponding relation, the acquiring unit specifically for：

Measure the performance that one-level interference elimination pattern and two-stage of the user equipment in the case where receiving interfering signal power, echo signal power disturb elimination pattern；

Determine that the user equipment eliminates pattern in the optimal interference of the reception interfering signal power, the echo signal power；

The optimal interference for setting up the reception interfering signal power, the echo signal power and the user equipment of the user equipment eliminates the corresponding relation of pattern.