CN108156662A - Communication means, base station and terminal device - Google Patents

Communication means, base station and terminal device Download PDF

Info

Publication number
CN108156662A
CN108156662A CN201611096641.7A CN201611096641A CN108156662A CN 108156662 A CN108156662 A CN 108156662A CN 201611096641 A CN201611096641 A CN 201611096641A CN 108156662 A CN108156662 A CN 108156662A
Authority
CN
China
Prior art keywords
terminal
base station
frequency band
information
wave
Prior art date
Application number
CN201611096641.7A
Other languages
Chinese (zh)
Inventor
黄磊
王艺
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201611096641.7A priority Critical patent/CN108156662A/en
Publication of CN108156662A publication Critical patent/CN108156662A/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
    • H04W72/04Wireless resource allocation
    • H04W72/0406Wireless resource allocation involving control information exchange between nodes
    • H04W72/042Wireless resource allocation involving control information exchange between nodes in downlink direction of a wireless link, i.e. towards terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
    • H04W72/04Wireless resource allocation

Abstract

The embodiment of the present invention provides a kind of communication means, base station and terminal device, base station sends DLRS and the first Downlink Control Information DCI by low frequency band to terminal device, first DCI includes the instruction information of uplink reference signals ULRS, wherein, the DLRS is used for the reception wave beam that the terminal device determines that reception downlink data uses in high-frequency band;Terminal device sends ULRS according to the instruction information of ULRS by low frequency band;Base station determines the transmission wave beam that transmission downlink data uses in high-frequency band according to ULRS, terminal device determines the reception wave beam that reception downlink data uses in high-frequency band according to DLRS, and base station is used sends downlink data for the high frequency resources that terminal device distributes and transmission wave beam to terminal device.The method carries out wave beam training by low frequency band auxiliary high frequency frequency range, to realize the transmission of high-frequency data.

Description

Communication means, base station and terminal device

Technical field

The present embodiments relate to a kind of communication technology more particularly to communication means, base station and terminal devices.

Background technology

It is existing for mobile logical with the continuous promotion of the requirements such as the message transmission rate of mobile communication, communication quality The frequency range of letter has become very crowded.However, on the millimeter wave frequency band of 6-300GHz, still possess a large amount of frequency spectrum resource Also unassigned use.Millimeter wave frequency band is introduced into mobile communication, makes full use of the big bandwidth resources of millimeter wave frequency band, It is one of important research direction of next-generation (5-Generation, abbreviation 5G) mobile communication technology.

But the high band using millimeter wave frequency band as representative has that path loss is larger, it is weak to penetrate barrier ability and at certain A little frequency point rain decline the features such as serious, the serious application for constraining high band.Meanwhile high band due to its wavelength it is short, easily realize Large scale array antenna can bring big directional aerial gain by beam forming (beam-forming, abbreviation BF) technology, So as to effectively compensate its high path loss, this also provides possibility for high band in the application that the middle and long distance of outdoor scene transmits Property.How to be in mobile communication system current urgent problem by high band application.

Invention content

The embodiment of the present invention provides a kind of communication means, base station and terminal device, can be low by the communication means The Signalling exchange of frequent section, which determines to transmit in high-frequency band, sends wave beam and reception wave beam used in data, to realize high frequency The transmission of data.

First aspect of the embodiment of the present invention provides a kind of communication means, including:

Base station sends downlink reference signal DLRS and the first Downlink Control Information DCI by low frequency band to terminal device, First DCI includes the instruction information of uplink reference signals ULRS, wherein, the DLRS determines for the terminal device The reception wave beam that downlink data uses is received in high-frequency band;

The base station receives the ULRS that the terminal device is sent by the low frequency band;

The base station determines the transmission wave beam that transmission downlink data uses in high-frequency band according to the ULRS;

The base station sends downlink data in the high-frequency band using the transmission wave beam to the terminal device.

In a kind of possible realization method of first aspect present invention, the method further includes:The base station passes through described Low frequency band sends the 2nd DCI to the terminal device, and the 2nd DCI is used to indicate the base station as the terminal device point The high frequency resources matched.The embodiment of the present invention carries out wave beam training by low frequency band auxiliary high frequency frequency range, to realize high-frequency data Transmission.

In a kind of possible realization method of first aspect present invention, the base station is determined according to the ULRS high again and again The transmission wave beam that downlink data uses is sent in section, is specifically included:

The base station determines angle of arrival AoA according to the ULRS;

The base station determines to send the transmission wave beam that downlink data uses according to the AoA.

In a kind of possible realization method of first aspect present invention, the method further includes:

The capability indication information that the base station is reported by the low frequency band reception terminal device, the ability refer to Show that information includes the number information of reception wave beam of the terminal device in the high-frequency band and/or the terminal device exists The number information of radio frequency link in the high-frequency band.This realization method is and existing by knowing the ability information of terminal device There is technology to compare, more reasonably can distribute resource for terminal device.

In a kind of possible realization method of first aspect present invention, the method further includes:The base station passes through described Low frequency band sends the 3rd DCI to the terminal device, and the 3rd DCI includes one or more following information:Base station is sent High frequency resources information, base station radio-frequency link number or the wave beam number information of wave beam tracking signal BTRS.

In a kind of possible realization method of first aspect present invention, the base station is determined according to the ULRS high again and again The transmission wave beam that downlink data uses is sent in section, including:

The base station sends the BTRS using the high frequency resources of the 3rd DCI instructions to the terminal device;

The base station receives the base station of the terminal device transmission in the high-frequency band by the low frequency band The upper transmission wave beam for sending downlink data and using.

In a kind of possible realization method of first aspect present invention, the low frequency band is a special component carrier.

In a kind of possible realization method of first aspect present invention, the low frequency band is a son of component carrier Band.

In a kind of possible realization method of first aspect present invention, the high frequency resources include time resource and frequency provides Source.

Second aspect of the embodiment of the present invention provides a kind of communication means, including:

Terminal device receives the downlink reference signal DLRS and the first Downlink Control Information of base station transmission by low frequency band DCI, the first DCI are used to indicate the terminal device and send uplink reference signals ULRS;

The terminal device is sent according to the instruction information of the ULRS by the low frequency band to the base station ULRS;

The terminal device determines the reception wave beam that reception downlink data uses in high-frequency band according to the DLRS;

The terminal device receives the lower line number of the base station transmission using the reception wave beam in the high-frequency band According to.

In a kind of possible realization method of second aspect of the present invention, the method further includes:The terminal device passes through The low frequency band receives the 2nd DCI that the base station is sent, and the 2nd DCI is used to indicate the base station and is set for the terminal The high frequency resources that back-up is matched.

In a kind of possible realization method of second aspect of the present invention, the terminal device is determined according to the DLRS in height The reception wave beam that downlink data uses is received in frequent section, is specifically included:

The terminal device determines to reach angle A oA according to the DLRS;

The terminal device determines to receive the reception wave beam that downlink data uses according to the AoA.

In a kind of possible realization method of second aspect of the present invention, the method further includes:The terminal device is in institute It states low frequency band and indicates information to the base station reporting ability, the capability indication information includes the terminal device in the height The number of radio frequency link of the number information and/or the terminal device of reception wave beam in frequent section in the high-frequency band At least one of information.

In a kind of possible realization method of second aspect of the present invention, the method further includes:The terminal device passes through The low frequency band receives the 3rd DCI that the base station is sent, and the 3rd DCI includes one or more following information:Base station Send high frequency resources information, base station radio-frequency link number or the wave beam number information of wave beam tracking signal BTRS.

In a kind of possible realization method of second aspect of the present invention, the method further includes:

The terminal device receives the described of the terminal device transmission using the high frequency resources of the 3rd DCI instructions BTRS;

The terminal device determines the reception wave beam that reception downlink data uses in high-frequency band, packet according to the DLRS It includes:

The terminal device determines that the base station sends downlink data in the high-frequency band and uses according to the BTRS Transmission wave beam and the terminal device reception wave beam that downlink data uses is received in the high-frequency band;

The information for sending wave beam is sent to the base station by the terminal device by the low frequency band.

In a kind of possible realization method of second aspect of the present invention, the high frequency resources include time resource and frequency provides Source.

The third aspect of the embodiment of the present invention provides a kind of base station, including:

Sending module, for passing through, low frequency band sends downlink reference signal DLRS to terminal device and the first downlink controls Information DCI, the first DCI are used to indicate the terminal device transmission uplink reference signals ULRS;The DLRS is for described Terminal device determines to receive the reception wave beam that downlink data uses in high-frequency band;

Receiving module, for receiving the ULRS that the terminal device is sent by the low frequency band;

Processing module, for being determined to send the transmission wave beam that uses of downlink data in high-frequency band according to the ULRS;

The sending module is also used for the transmission wave beam and is sent in the high-frequency band to the terminal device Downlink data.

In a kind of possible realization method of third aspect present invention, the sending module is additionally operable to:Pass through the low frequency Frequency range sends the 2nd DCI to the terminal device, and the 2nd DCI is used to indicate the base station as terminal device distribution High frequency resources.

In a kind of possible realization method of third aspect present invention, the processing module is specifically used for:

Angle of arrival AoA is determined according to the ULRS;

According to the AoA, determine to send the transmission wave beam that downlink data uses.

In a kind of possible realization method of third aspect present invention, the receiving module is additionally operable to:Pass through the low frequency The capability indication information that terminal device described in UHF band reception reports, the capability indication information include the terminal device described The number of radio frequency link of the number information and the terminal device of reception wave beam in high-frequency band in the high-frequency band At least one of information.

In a kind of possible realization method of third aspect present invention, the sending module is additionally operable to:Pass through the low frequency Frequency range sends the 3rd DCI to the terminal device, and the 3rd DCI includes one or more following information:Base station sends wave beam Track high frequency resources information, base station radio-frequency link number or the wave beam number information of signal BTRS.

In a kind of possible realization method of third aspect present invention, the sending module is specifically used for:

By the high frequency resources of the 3rd DCI instructions BTRS is sent to the terminal device.

Fourth aspect of the embodiment of the present invention provides a kind of terminal device, including:

Receiving module, for receiving downlink reference signal DLRS and the control of the first downlink that base station is sent by low frequency band Information DCI, the first DCI include the instruction information of uplink reference signals ULRS;

Sending module for the instruction information according to the ULRS, is sent by the low frequency band to the base station ULRS;

Processing module, for being determined to receive the reception wave beam that uses of downlink data in high-frequency band according to the DLRS;

The receiving module is also used for the reception wave beam and receives what the base station was sent in the high-frequency band Downlink data.

In a kind of possible realization method of fourth aspect present invention, the receiving module is additionally operable to:Pass through the low frequency The 2nd DCI that base station described in UHF band reception is sent, the 2nd DCI are used to indicate the base station as terminal device distribution High frequency resources.

In a kind of possible realization method of fourth aspect present invention, the processing module is specifically used for:

It is determined to reach angle A oA according to the DLRS;

According to the AoA, determine to receive the reception wave beam that downlink data uses.

In a kind of possible realization method of fourth aspect present invention, the sending module is additionally operable to:In low frequency frequency Section indicates information to the base station reporting ability, and the capability indication information includes the terminal device in the high-frequency band Reception wave beam radio frequency link in the high-frequency band of number information and the terminal device number information in extremely It is one few.

In a kind of possible realization method of fourth aspect present invention, the receiving module is additionally operable to:Pass through the low frequency The 3rd DCI that base station described in UHF band reception is sent, the 3rd DCI include one or more following information:Base station sends wave beam Track high frequency resources information, base station radio-frequency link number or the wave beam number information of signal BTRS.

In a kind of possible realization method of fourth aspect present invention, the receiving module is additionally operable to:Use the third The high frequency resources of DCI instructions receive the BTRS that the terminal device is sent;

The processing module is specifically used for:Determine that the base station sends downlink in the high-frequency band according to the BTRS The transmission wave beam and the terminal device that data use receive the reception wave beam that downlink data uses in the high-frequency band;

The sending module is additionally operable to:The information for sending wave beam is sent to by the base by the low frequency band It stands.

In the possibility realization method of first aspect present invention to fourth aspect and first aspect to fourth aspect, institute The 2nd DCI is stated to include being used to indicate the information of high-frequency transmission time quantum TTU marks.Alternatively, the 2nd DCI includes referring to Show the information of high-frequency transmission time quantum TTU distribution.

In the possibility realization method of first aspect present invention to fourth aspect and first aspect to fourth aspect, institute Low frequency band is stated as a special component carrier.Alternatively, the low frequency band is a subband of component carrier.

In the possibility realization method of first aspect present invention to fourth aspect and first aspect to fourth aspect, institute It states high frequency resources and includes time resource and frequency resource.

5th aspect, a kind of wireless communication system, including base station and terminal device, wherein, the base station such as third aspect The base station, terminal device of the terminal device as described in fourth aspect.

Communication means provided in an embodiment of the present invention, base station and terminal device, base station by a special low frequency band to Terminal device sends the information of the instruction information and base station of DLRS, ULRS for the high frequency resources of terminal device distribution, so that eventually End equipment sends ULRS according to the instruction information of ULRS by low frequency band, and base station is determined according to URLS under being sent in high-frequency band The transmission wave beam that row data use, while terminal device can also determine that downlink data is received in high-frequency band to be used according to DLRS Wave beam is received, base station is used sends downlink data with wave beam is sent for the high frequency resources that terminal device distributes to terminal device.Institute It states method and wave beam training is carried out by low frequency band auxiliary high frequency frequency range, to realize the transmission of high-frequency data.

Description of the drawings

Fig. 1 is the schematic diagram of a kind of network system architecture that the embodiment of the present invention is applicable in;

Fig. 2 is the flow chart of communication means that the embodiment of the present invention one provides;

Fig. 3 is a kind of schematic diagram of low frequency band;

Fig. 4 is another schematic diagram of low frequency band;

Fig. 5 is a kind of structure diagram of the TTU in low frequency band;

Fig. 6 is a kind of transmission schematic diagram of DLRS;

Fig. 7 is a kind of transmission schematic diagram of URLS;

Fig. 8 is the contrast schematic diagram of low frequency TTU and high frequency TTU;

Fig. 9 is the flow chart of communication means provided by Embodiment 2 of the present invention;

Figure 10 is the flow chart of communication means that the embodiment of the present invention three provides;

Figure 11 is the flow chart of communication means that the embodiment of the present invention four provides;

Figure 12 is the structure diagram of base station that the embodiment of the present invention five provides;

Figure 13 is the structure diagram of terminal device that the embodiment of the present invention six provides;

Figure 14 is the schematic block diagram of a kind of base station that the embodiment of the present invention seven provides;

Figure 15 is the schematic block diagram of a kind of terminal device that the embodiment of the present invention eight provides.

Specific embodiment

The embodiment of the present invention provides a kind of communication means, which can apply high-frequency band in network system In.Fig. 1 is the schematic diagram of a kind of network system architecture that the embodiment of the present invention is applicable in, as shown in Figure 1, the network system architecture packet Base station and terminal device are included, the base station and terminal device support high-frequency band and low frequency band to communicate simultaneously.Wherein, high-frequency band It is opposite concept with low frequency band, for example, base station can be operated in 2.5GHz-3GHz frequency ranges and 4GHz-4.5GHz frequency ranges, that Relatively low 2.5GHz-3GHz frequency ranges are properly termed as low frequency band, and relatively high 4GHz-4.5GHz frequency ranges are properly termed as High-frequency band.

Terminal device of the present invention can be through wireless access network (Radio Access Network, RAN) and one or more Core net communicates, and user equipment can refer to the accession to terminal, subscriber unit, subscriber station, movement station, mobile station, remote station, remote Journey terminal, mobile equipment, user terminal, terminal, wireless telecom equipment, user agent or user apparatus.Access terminal can be Cellular phone, wireless phone, session initiation protocol (Session Initiation Protocol, referred to as " SIP ") phone, Wireless local loop (Wireless Local Loop, referred to as " WLL ") is stood, personal digital assistant (Personal Digital Assistant, referred to as " PDA "), there is the handheld device of wireless communication function, computing device or be connected to wireless-modulated solution Adjust other processing equipments of device, mobile unit, wearable device, UE in following 5G networks etc..

Base station of the present invention can be the network side equipment for communicating with user equipment, for example, it may be gsm system Or base station (Base Transceiver Station, referred to as " the BTS ") processing unit in CDMA or WCDMA systems Base station (NodeB, referred to as " NB ") processing unit in system, can also be the evolved base station in LTE system (Evolutional Node B, referred to as " eNB " or " eNodeB ") processing unit or the network equipment can be relaying It stands, access point, mobile unit, wearable device, can also be network side equipment in following 5G networks or following evolution Processing unit of network side equipment in PLMN networks etc..

Embodiment one

Fig. 2 is the interaction figure of communication means that the embodiment of the present invention one provides, as shown in Fig. 2, the method for the present embodiment can To include the following steps:

Step 101, base station send downlink reference signal (Downlink Reference by low frequency band to terminal device Signal, abbreviation DLRS), the instruction information of uplink reference signals (Uplink Reference Signal, abbreviation ULRS) and It is used to indicate information of the base station for the high frequency resources of terminal device distribution.

Optionally, the triggering information of described DLRS, ULRS and be used to indicate base station for terminal device distribution high frequency money The information in source can by Physical Downlink Control Channel (physical downlink control channel, PDCCH) or Physical down broadcast channel (physical downlink broadcast channel, PDBCH) is sent to terminal device.

In the present embodiment, the instruction information of ULRS and the information for being used to indicate the high frequency resources that base station is distributed for terminal device Can terminal device be sent to by same Downlink Control Information (Downlink Control Information, DCI), Can terminal device be sent to by different DCI respectively.For example, base station indicates uplink reference signals ULRS by the first DCI Instruction information, pass through the 2nd DCI indicate base station be terminal device distribute high frequency resources.

In the embodiment of the present invention, base station and terminal device are by low frequency band come determine will be required for high-frequency band transmission Transmission wave beam and receive wave beam, the stage be properly termed as wave beam training.Wherein, which can be a special component Carrier wave (Component Carrier) a, or subband (Subband) of component carrier.Wherein, the definition of subband can With the definition with reference to 3GPP standards, which is not described herein again.Fig. 3 is a kind of schematic diagram of low frequency band, as shown in figure 3, the low frequency Frequency range is except the common component carrier to work in existing communication system, newly increases a special component carrier, this special point Loading gage wave is only used for auxiliary high frequency frequency range and carries out wave beam training.Fig. 4 is another schematic diagram of low frequency band, as shown in figure 4, should Low frequency band is a subband in the common component carrier of existing communication system work.

Specifically, in information described in transmitting step 101 in the low frequency band, frequency division multiplexing may be used The mode of (Frequency Division Duplex, referred to as) carries out the transmission of uplink and downlink data, can also use time division multiplexing The mode of (Time Division Duplex, abbreviation TDD) carries out the transmission of uplink and downlink data.

Illustratively, form shown in fig. 5 may be used in the data transmitted in the low frequency band, and Fig. 5 is in low frequency band Transmission time unit (Transmission Time Unit, abbreviation TTU) a kind of structure diagram, it should be noted that The data transmitted in low frequency band can also use Transmission Time Interval (Transmission Time Interval, abbreviation TTI) as minimum transmission units.TTI refers to the length of an independent decoding transmission in Radio Link.3GPP LTE with In the standard of LTE-A, it is considered that 1TTI is equal to 1ms.The size of i.e. one Subframe (subframe is equal to 2slot), it is nothing The base unit of time is administered in line resource management.In following 5G standards, TTI be equally likely to 1 time slot (slot) or Small time slot (mini-slot), in embodiments of the present invention, TTI or TTU mark minimum transmission units, for convenience, hereafter TTI TTU is collectively referred to as with TTU.As shown in figure 5, illustratively, low frequency TTU includes at least five OFDM symbol, and low frequency TTU refers to low The TTU transmitted in frequent section.Wherein, at least one OFDM symbol be used to transmit DLRS, for example, the foremost of low frequency TTU OFDM symbol is used for transmission DLRS.DLRS is provided accordingly on frequency domain with certain density by the equally spaced OFDM symbol that is inserted in On source unit (Resource Element, abbreviation RE).Fig. 6 is a kind of transmission schematic diagram of DLRS, as shown in fig. 6, low frequency TTU First OFDM symbol be used for transmission DLRS, every 3 subcarriers are inserted into a DLRS.In the present embodiment, base station may be used Transmission mode shown in fig. 6 transmits DLRS.It should be noted that in the OFDM symbol of transmission DLRS, in addition to transmission DLRS's Except RE, remaining RE can be also used for broadcast message and Physical Downlink Control Channel (Physical in transmission high-frequency band Downlink Control Channel, abbreviation PDCCH) information.

Illustratively, in a low frequency TTU, at least one OFDM symbol is used for transmission PDCCH information, which uses In the Downlink Control Information (Downlink Control Information, abbreviation DCI) of transmission high-frequency band, the present embodiment In, base station can be indicated for the information of the high frequency resources of terminal device distribution by the DCI.The OFDM symbol for transmitting PDCCH can Be follow closely transmission DLRS OFDM symbol after OFDM symbol.

Illustratively, in a low frequency TTU, at least one OFDM symbol is used for uplink and the protection of downlink transfer It is spaced (Guard Period, abbreviation GP), which for base station downlink to the handover operation of uplink.

Illustratively, in a low frequency TTU, at least one OFDM symbol is used for transmission Physical Uplink Control Channel (Physical Uplink Control Channel, abbreviation PUCCH) information, the PUCCH information are specifically as follows high-frequency band ACK/NACK (Acknowledge, Non-Acknowledge) information of the data of upper transmission, the channel quality letter of high-frequency band Cease (Channel Quality Information, abbreviation CQI) and channel state information (Channel State Information, abbreviation CSI) etc..

Illustratively, in a low frequency TTU, at least one OFDM symbol is used for transmission uplink reference signals (Uplink Reference Signal, abbreviation ULRS).For example, the rearmost OFDM symbol of TTU can be used as to transmission ULRS.Terminal The resource that equipment is inserted into the resource block (Resource Block, abbreviation RB) of ULRS is configured by base station and by corresponding signaling It notifies to terminal device.On the RB that terminal device is configured in base station, with certain equally spaced insertion ULRS of density.Fig. 7 is A kind of transmission schematic diagram of ULRS, as shown in fig. 7, the last one OFDM of low frequency TTU is used for transmission ULRS, every 2 subcarriers It is inserted into a ULRS.Whether ULRS is transmitted in a low frequency TTU, be configured and triggered by base station, only at this The transmission of ULRS is configured and triggered in low frequency TTU, then corresponding OFDM symbol is just used in ULRS transmission, and otherwise the OFDM is accorded with Number transmission PUCCH.

Step 102, terminal device send ULRS by low frequency band according to the instruction information of ULRS to base station.

The transmission instruction information of ULRS is used to indicate whether terminal device sends URLS.Illustratively, transmission instruction letter Breath can be represented, such as when the bit position 1 by a bit, represent that terminal device should send ULRS, when the ratio During special position 0, represent that terminal device does not have to send ULRS.It optionally, can also be into the DCI where the instruction information of the ULRS One step includes the information for sending the running time-frequency resource of ULRS, and the information for sending the running time-frequency resource of ULRS can send the RB of ULRS Index, the running time-frequency resource of ULRS can be multiplexed by way of code division multiplexing by multiple terminal devices, and in the present embodiment, terminal is set It is standby that transmission mode transmission ULRS shown in Fig. 7 may be used.

Step 103, terminal device determine to receive the reception wave beam that uses of downlink data in high-frequency band according to DLRS.

Usually, DLRS is there are two function, and first function is the demodulated reference signal as downlink transfer, terminal device By carrying out channel estimation to DLRS, downlink data is demodulated according to the result of channel estimation.Second function is by end End equipment is used for carrying out angle of arrival (Angle of Arrival, abbreviation AoA:) estimation, terminal device can be according to reception DLRS the low frequency signal transmitted in low frequency band is estimated using certain algorithm (for example, MUSIC algorithms, ESPRIT algorithms) AoA, using the reciprocity between dual-mode antenna, terminal device is obtained according to AoA to be received downlink data and uses in high-frequency band Reception wave beam.

Step 104, base station determine to send the transmission wave beam that uses of downlink data in high-frequency band according to ULRS.

The ULRS of terminal device transmission is used for carrying out the estimation of AoA by base station, and base station can be used according to the ULRS of reception Certain algorithm (for example, MUSIC algorithms, ESPRIT algorithms) estimates the AoA of low frequency signal in low frequency band, using receiving and dispatching day Reciprocity between line, base station can determine the transmission wave beam in high-frequency band according to the AoA estimated in low frequency band.

Step 105, base station use high frequency resources and transmission wave beam for terminal device distribution in high-frequency band to terminal Equipment sends downlink data.

Wherein, the information that base station includes being used to indicate high frequency TTU marks for the information of the high frequency resources of terminal device distribution And/or it is used to indicate the information of high frequency TTU distribution.For example, a TTU_ID field defined in DCI, TTU_ID fields It is the resource allocation on which of N number of high frequency TTU of instruction to be used to indicate the DCI, such as defines the TTU_ of 3 bits Id field can indicate that most 8 high frequencies TTU, 000-111 identify 8 high frequency TTU respectively.Therefore, in the first case, The DCI includes being used to indicate the information of high frequency TTU marks.

For another example, TTU distribution (TTU_ALLOCATION) field, TTU_ALLOCATION defined in DCI The resource allocation being used to indicate on which high frequency TTU that the DCI is instruction, such as define the TTU_ of 8 bits ALLOCATION fields, by bit map (bitmap), maximum can support 8 high frequency TTU combined dispatchings.For example, 11001100 mark base stations are assigned running time-frequency resource to some terminal on the the 1st, the 2nd and the 4th, the 5th high frequency TTU; 10101010 mark base stations are assigned running time-frequency resource to some terminal device on the the 1st, the 3rd, the 5th and the 7th high frequency TTU.Cause This, in the second situation, which includes being used to indicate the information of high frequency TTU distribution.

In the present embodiment, the length of a low frequency TTU is N times of the length of a high frequency TTU, and N is whole more than 1 herein Number.Fig. 8 is the contrast schematic diagram of low frequency TTU and high frequency TTU, as shown in figure 8, for example, in a low frequency TTU, can transmit N =4 high frequency TTU.Accordingly, there exist such a sequential relationship, base station was needed on the PDCCH of k-th of low frequency TTU for end The resource of N number of high frequency TTU in+m low frequency TTU of end equipment scheduling kth, m (being more than or equal to 1) is the low frequency of dispatch delay herein TTU number.Within this m low frequency TTU delay time, terminal device and base station can carry out accordingly according to DLRS and ULRS respectively AoA estimation, so as to determine high-frequency band data transmission used by send wave beam and receive wave beam.In addition, base station is at k-th The transmission of ULRS of the triggering terminal equipment in low frequency TTU on the PDCCH of low frequency TTU.It is dispatching for terminal device base station Downlink data transmission is carried out on N number of high frequency TTU in+m low frequency TTU of kth, then terminal device is in+m+l low frequency TTU of kth PUCCH on the corresponding ACK/NACK message of feeding back downlink data, wherein, a low frequency TTU of l (be more than or equal to 1) are as high again and again Segment data receives and the delay of processing.

Step 106, terminal device send the feedback message of downlink data to base station.

The feedback message of downlink data includes ACK and NACK message, and terminal device can use low frequency band to be sent out to base station The feedback message of downlink data is sent, terminal device can also use high-frequency band to the feedback message of base station transmission downlink data. Terminal device can determine what the feedback message for sending downlink data used according to the sequential relationship of high frequency TTU and low frequency TTU TTU。

In the present embodiment, base station sends the instruction information of DLRS, ULRS to terminal device by low frequency band and base station is The information of the high frequency resources of terminal device distribution, so that terminal device is sent according to the instruction information of ULRS by low frequency band ULRS, base station determines the transmission wave beam that transmission downlink data uses in high-frequency band according to ULRS, while terminal device also can root The reception wave beam that reception downlink data uses in high-frequency band is determined according to DLRS, and base station uses the high frequency distributed for terminal device to provide Source and transmission wave beam send downlink data to terminal device.The method carries out wave beam instruction by low frequency band auxiliary high frequency frequency range Practice, to realize the transmission of high-frequency data.

Below using several specific embodiments, the technical solution of embodiment of the method shown in embodiment one is carried out specifically It is bright.

Embodiment two

Fig. 9 is the flow chart of communication means provided by Embodiment 2 of the present invention, as shown in figure 9, the method for the present embodiment can To include the following steps:

Step 201, base station send DLRS and DCI by low frequency band to terminal device, and the instruction which includes ULRS is believed Breath and the high frequency resources that base station is terminal device distribution.

The DCI needs to consider two kinds of situations when indicating high frequency resources of the base station for terminal device distribution.The first feelings Condition, DCI correspond to resource allocation of the terminal device on a high frequency TTU, when terminal device be scheduled for it is multiple high When on frequency TTU, base station needs to send multiple DCI to the terminal device.Based on the first situation, base station can be that terminal device exists Different frequency domain resources is distributed on different high frequency TTU.The second situation, a DCI correspond to a terminal device multiple high Resource allocation on frequency TTU.If terminal device is scheduled on multiple high frequency TTU, the frequency distributed on these high frequencies TTU Domain resource is identical.

In the first case, a TTU_ID field, TTU_ID fields are used to indicate the DCI defined in DCI It is the resource allocation on which of N number of high frequency TTU of instruction, such as defines the TTU_ID fields of 3 bits, can refers to Show that most 8 high frequencies TTU, 000-111 identify 8 high frequency TTU respectively.Therefore, in the first case, which includes using In the information of instruction high frequency TTU marks.

In the second situation, TTU distribution (TTU_ALLOCATION) field, TTU_ defined in DCI ALLOCATION is used to indicate the resource allocation on which high frequency TTU that the DCI is instruction, such as defines 8 bit TTU_ALLOCATION fields, by bit map (bitmap), maximum can support 8 high frequency TTU combined dispatchings.For example, 11001100 mark base stations are assigned running time-frequency resource to some terminal on the the 1st, the 2nd and the 4th, the 5th high frequency TTU; 10101010 mark base stations are assigned running time-frequency resource to some terminal device on the the 1st, the 3rd, the 5th and the 7th high frequency TTU.Cause This, in the second situation, which includes being used to indicate the information of high frequency TTU distribution.

In the present embodiment, the instruction information of ULRS and base station are carried for the information of the high frequency resources of terminal device distribution one In a DCI so that wave beam training process and data scheduling process are carried out at the same time, and each data dispatch is required for carrying out wave beam instruction Practice.

Step 202, terminal device send ULRS by low frequency band according to the instruction information of ULRS to base station.

Terminal device sends ULRS after the ULRS instruction information in receiving DCI on corresponding low frequency TTU.Terminal Equipment can send in the low frequency TTU of the instruction information of the ULRS in base station and send ULRS, and the ULRS can also be sent in base station Instruction information low frequency TTU after postpone several low frequency TTU and send ULRS.Wherein, of the low frequency TTU of terminal device delay Number by base station can also be configured by one definite value of base station sets, then be passed through transmitting signaling downwards to terminal device.

Step 203, terminal device determine to receive the reception wave beam that uses of downlink data in high-frequency band according to DLRS.

Step 204, base station determine to send the transmission wave beam that uses of downlink data in high-frequency band according to ULRS.

The specific implementation of step 203 and step 204 is with reference to the related description of embodiment one, and which is not described herein again.It needs It is noted that in the present embodiment, high frequency dual-mode antenna and low frequency dual-mode antenna have reciprocity, high-frequency band and low frequency band On reception wave beam it is consistent with wave beam is sent, and the transmission wave beam of low frequency band is consistent with the transmission wave beam of high-frequency band.

Step 205, base station use high frequency resources and transmission wave beam for terminal distribution in high-frequency band to terminal device Send downlink data.

Correspondingly, terminal device receives what base station was sent using the reception wave beam determined in step 203 in high-frequency band Downlink data, and feedback message is determined according to the reception result of downlink data.If downlink data receives successfully, feedback message For ACK message, if downlink data reception failure, feedback message is NACK message.

Step 206, terminal device send the feedback message of downlink data to base station.

The specific implementation of step 206 is with reference to the associated description of embodiment one, and which is not described herein again.

In the present embodiment, base station sends DLRS and DCI by low frequency band to terminal device, which is used to indicate ULRS Instruction information and base station indicate information for the high frequency resources of terminal device distribution, and base station is sent according to terminal device URLS determines to send the transmission wave beam that downlink data uses in high-frequency band, while terminal device also can determine high frequency according to DLRS The reception wave beam that downlink data uses is received in frequency range, so as to complete wave beam training process, after wave beam is trained, base station makes The transmission wave beam obtained with training and the high frequency resources for terminal device distribution send downlink data, terminal device to terminal device Downlink data is received using the reception wave beam that training obtains.The method carries out wave beam instruction by low frequency band auxiliary high frequency frequency range Practice, to realize the transmission of high-frequency data.

Embodiment three

Figure 10 is the interaction figure of communication means that the embodiment of the present invention three provides, as shown in Figure 10, the method for the present embodiment It may comprise steps of:

Step 301, base station send DLRS and the first DCI by low frequency band to terminal device, and the first DCI includes ULRS's Indicate information.

Wherein, the first DCI can include the instruction information of the ULRS of a terminal device, i.e. the first DCI indicates one Terminal device sends ULRS, and the first DCI can also include the finger of the ULRS of a terminal device group (Group-specific) Show information, i.e. the first DCI indicates that the multiple terminal devices in a terminal device group send ULRS.

Step 302, terminal device send ULRS by low frequency band according to the instruction information of ULRS to base station.

Step 303, terminal device determine to receive the reception wave beam that uses of downlink data in high-frequency band according to DLRS.

Step 304, base station determine to send the transmission wave beam that uses of downlink data in high-frequency band according to ULRS.

The specific implementation of step 302-304 is no longer superfluous here with reference to embodiment one and the associated description of embodiment two It states.

Step 305, base station send the 2nd DCI by low-frequency resources to terminal device, and the 2nd DCI is used to indicate base station as eventually The high frequency resources of end equipment distribution.

In the present embodiment, the 2nd DCI can correspond to resource allocation of the terminal device on a high frequency TTU, When terminal device is scheduled on multiple high frequency TTU, the 2nd DCI can also correspond to a terminal device in multiple high frequencies Resource allocation on TTU.Correspondingly, when the 2nd DCI can correspond to resource of the terminal device on a high frequency TTU During distribution, the 2nd DCI includes being used to indicate the information of high frequency TTU marks.It is set when the 2nd DCI can also correspond to a terminal The standby information that in the resource allocation on multiple high frequency TTU, the 2nd DCI is distributed including being used to indicate high frequency TTU.The tool of this step Body realization method is with reference to the associated description of two step 201 of embodiment, and which is not described herein again.

In the present embodiment, base station divides the instruction information of ULRS and base station for the information of high frequency resources that terminal device distributes It is not indicated by different DCI, wave beam training process and data scheduling process can be caused independently to carry out.In this way, by primary Wave beam is trained, and can carry out multiple data dispatch so that the scheduling of data is more flexible, and can reduce opening for wave beam training Pin.

Step 306, base station use high frequency resources and transmission wave beam for terminal device distribution in high-frequency band to terminal Equipment sends downlink data.

Correspondingly, terminal device receives what base station was sent using the reception wave beam determined in step 303 in high-frequency band Downlink data.And feedback message is determined according to the reception result of downlink data.

Step 307, terminal device send the feedback message of downlink data to base station.

In the present embodiment, base station sends DLRS, the first DCI and second by a special low frequency band to terminal device DCI, the first DCI include the instruction information of ULRS, and the 2nd DCI is used to indicate high frequency resources letter of the base station for terminal device distribution Breath, so that terminal device sends ULRS according to the instruction information of ULRS by low frequency band, base station determines high frequency according to ULRS The transmission wave beam that downlink data uses is sent in frequency range, while terminal device can be also determined according to DLRS under being received in high-frequency band The reception wave beam that row data use, so as to complete wave beam training, after wave beam is trained, base station uses trained obtained transmission Wave beam and for terminal device distribution high frequency resources to terminal device send downlink data.The method is assisted by low frequency band High-frequency band carries out wave beam training, to realize the transmission of high-frequency data.

Example IV

Figure 11 is the interaction figure of communication means that the embodiment of the present invention four provides, as shown in figure 11, the method for the present embodiment It may comprise steps of:

Step 401, terminal device indicate information to base station reporting ability.

Optionally, the capability indication information include terminal device in high-frequency band reception wave beam number information and/ Or the number information of radio frequency link of the terminal device in high-frequency band.

Step 402, base station send DLRS and the first DCI by low frequency band to terminal device, and the first DCI includes ULRS's Indicate information.

Wherein, the first DCI includes the instruction information of the ULRS of a terminal device, can also include a terminal device The instruction information of the ULRS of group.

Step 403, terminal device send ULRS to by low frequency band according to the instruction information of ULRS to base station.

Step 404, terminal device determine the reception deflection in low frequency band according to DLRS.

Step 405, base station are determined according to ULRS at the sending direction angle of low frequency band.

Step 406, base station send the 3rd DCI by low frequency band to terminal device.

Optionally, the 3rd DCI includes one or more following information:Base station sends wave beam tracking signal (Beam Tracking Reference Signal, abbreviation BTRS) high frequency resources information, base station radio-frequency link number or wave beam number Information.Wherein, the high frequency resources information that the 3rd DCI includes is used to that terminal device base station to be notified to send the high frequency money that BTRS is used Source, radio frequency link number information are used to that terminal device base station to be notified to send the number of radio frequency link that BTRS is used, wave beam number Information is used to that terminal device base station to be notified to send the number of transmission wave beam that BTRS is used.

Correspondingly, before step 406, base station determines that sending BTRS makes according to the capability indication information that terminal device reports High frequency resources.For example, it is assumed that base station beam number is 8, radio frequency link number is 1, and training a pair of wave beam needs 1 OFDM The resource of symbol.If the reception wave beam number that terminal device reports is 4, radio frequency link number is 1, then needs to use 32 OFDM symbol sends BTRS and carries out wave beam training;If the reception wave beam number that terminal device reports is 4, radio frequency link number is 2, then it needs to send BTRS progress wave beam training using 16 OFDM symbols.

Step 407, base station are set according to the high frequency resources indicated in the sending direction angle of low frequency band and the 3rd DCI to terminal Preparation send BTRS.

Specifically, base station can determine to send the transmission wave beam that BTRS is used according to the sending direction angle of low frequency band, In, the number of transmission wave beam that base station determines is identical with the wave beam number that the 3rd DCI includes.Assuming that the number for sending wave beam is 4, then base station can centered on the sending direction angle of low frequency band point, select four around the sending direction angle of low frequency band A transmission wave beam is used to send BTRS.

Correspondingly, terminal device is according to the 3rd DCI and the BTRS for receiving direction corner connection and receiving base station and sending of low frequency band, it is whole End equipment can centered on the reception deflection of low frequency band point, select low frequency band receive deflection around multiple hairs Wave beam is sent to receive BTRS, the number of the reception wave beam for the reception BTRS that terminal device determines indicates to believe with the ability reported to base station The number of reception wave beam in breath is identical.After the reception wave beam for determining to receive BTRS, the height that uses of BTRS is sent according to base station Frequency resource, the number of radio frequency link and the number for sending wave beam receive the BTRS that base station is sent.

Step 408, terminal device determine that base station sends the send wave that downlink data uses in high-frequency band according to BTRS Beam and terminal device receive the reception wave beam that downlink data uses in high-frequency band.

Assuming that base station is sent at 4 sends BTRS on wave beam, terminal device receives on wave beam at 4 and receives BTRS, then eventually End equipment can receive 16 BTRS, and terminal device can select received signal strength most strong from 16 BTRS received The corresponding wave beam that sends of BTRS, the most strong BTRS of the reception signal sends the hair that downlink data uses for base station in high-frequency band Wave beam is sent, the most strong BTRS of the received signal strength is corresponding to receive line number under wave beam is received for terminal device in high-frequency band According to the reception wave beam used.

Step 409, terminal device send the information of the transmission wave beam by low frequency band to base station.

Specifically, the information of the transmission wave beam includes the identification information of send wave beam, for example, wave beam ID.

Step 410, base station send the 2nd DCI by low-frequency resources to terminal device, and the 2nd DCI is used to indicate base station as eventually The high frequency resources of end equipment distribution.

Step 411, base station use high frequency resources and transmission wave beam for terminal device distribution in high-frequency band to terminal Equipment sends downlink data.

Base station uses the transmission wave beam determined in step 408 to send downlink data to terminal device, correspondingly, terminal device Use the downlink data for receiving wave beam and receiving base station and sending determined in step 408.

Step 412, terminal device send the feedback message of downlink data to base station.

In the present embodiment, capability indication information that base station receiving terminal apparatus in low frequency band reports, according to the ability Instruction information sends the 3rd DCI to trigger wave beam tracking process to terminal device, and passes through high-frequency band and sent to terminal device BTRS, terminal device according to the BTRS received determine base station sent in high-frequency band the transmission wave beam that downlink data uses and Terminal device receives the reception wave beam that downlink data uses in high-frequency band, and passes through low frequency band by the transmission beam information It is sent to base station.Process is tracked by wave beam so that transmission wave beam and reception wave beam in the high-frequency band determined are more Accurately.

Embodiment five

Figure 12 is the structure diagram of base station that the embodiment of the present invention five provides, as shown in figure 12, provided in this embodiment Base station includes:Sending module 11, receiving module 12 and processing module 13.

Wherein, sending module 11 send downlink reference signal DLRS and first for passing through low frequency band to terminal device Downlink Control Information DCI, the first DCI include the instruction information of uplink reference signals ULRS;

Receiving module 12, for receiving the ULRS that the terminal device is sent by the low frequency band;

Processing module 13, for being determined to send the send wave that uses of downlink data in high-frequency band according to the ULRS Beam;

The sending module 11 is also used for the transmission wave beam and is sent out in the high-frequency band to the terminal device Send downlink data.

Optionally, the low frequency band be a special component carrier or be component carrier a subband.

Optionally, the sending module 11 is additionally operable to:By the low-frequency resources second is sent to the terminal device DCI, the 2nd DCI are used to indicate the high frequency resources that the base station is terminal device distribution.Optionally, described second DCI includes being used to indicate the information of high-frequency transmission time quantum TTU marks.Alternatively, the 2nd DCI includes being used to indicate high frequency The information of transmission time unit TTU distribution.

Optionally, the processing module 13 is specifically used for:It is obtained according to the ULRS and reaches angle A oA, then according to institute AoA is stated, obtains and sends the transmission wave beam that downlink data uses.

Optionally, the receiving module 12 is additionally operable to:Receive the capability indication information that the terminal device reports, the energy Power instruction information includes the number information of reception wave beam of the terminal device in the high-frequency band and/or the terminal is set The number information of the standby radio frequency link in the high-frequency band.Correspondingly, the sending module 11 is additionally operable to:By described low Frequency resource sends the 3rd DCI to the terminal device, and the 3rd DCI includes one or more following information:Base station send wave High frequency resources information, base station radio-frequency link number or the wave beam number information of beam tracking signal BTRS.The processing module is specific For:The BTRS is sent to the terminal device using the high frequency resources of the 3rd DCI instructions by the sending module. The base station of the terminal device transmission is received in the high-frequency band in the low frequency band by the receiving module Send the transmission wave beam that downlink data uses.

The base station of the present embodiment, available for performing the step of being performed in above-described embodiment one to example IV by base station, tool Body realization method is similar with technique effect, and which is not described herein again.

Embodiment six

Figure 13 is the structure diagram of terminal device that the embodiment of the present invention six provides, and as shown in figure 13, the present embodiment carries The terminal device of confession includes:Sending module 21, receiving module 22 and processing module 23.

Receiving module 22, for receiving downlink reference signal DLRS and the first downlink control that base station is sent by low frequency band Information DCI processed, the first DCI include the instruction information of uplink reference signals ULRS;

Sending module 21 for the instruction information according to the ULRS, is sent by the low frequency band to the base station ULRS;

Processing module 23, for being determined to receive the received wave that uses of downlink data in high-frequency band according to the DLRS Beam;

The receiving module 22 is also used for the reception wave beam and the base station transmission is received in the high-frequency band Downlink data.

Optionally, the low frequency band be a special component carrier or be component carrier a subband.

Optionally, the receiving module 22 is additionally operable to:The second of the base station transmission is received by the low-frequency resources DCI, the 2nd DCI are used to indicate the high frequency resources that the base station is terminal device distribution.Optionally, described second DCI includes being used to indicate the information of high-frequency transmission time quantum TTU marks.Alternatively, the 2nd DCI includes being used to indicate high frequency The information of transmission time unit TTU distribution.

Optionally, the processing module 23 is specifically used for:Angle A oA is reached according to DLRS acquisitions, then according to institute AoA is stated, obtains and receives the reception wave beam that downlink data uses.

Optionally, the sending module 21 is additionally operable to:Information, the ability instruction letter are indicated to the base station reporting ability Breath includes the number information that receives wave beam and/or the terminal device of the terminal device in the high-frequency band described The number information of radio frequency link in high-frequency band.Correspondingly, the receiving module 22 is additionally operable to:It is connect by the low-frequency resources The 3rd DCI that the base station is sent is received, the 3rd DCI includes one or more following information:Base station sends wave beam tracking letter High frequency resources information, base station radio-frequency link number or the wave beam number information of number BTRS and use the 3rd DCI instructions High frequency resources receive the BTRS that the terminal device is sent.The processing module 23 is specifically used for:It is true according to the BTRS The fixed base station sends the transmission wave beam that downlink data uses and the terminal device in the high frequency in the high-frequency band The reception wave beam that downlink data uses is received in frequency range.The sending module 21 is additionally operable to:By the low frequency band by described in The information for sending wave beam is sent to the base station.

The terminal device of the present embodiment, available for performing what is performed in above-described embodiment one to example IV by terminal device Step, specific implementation is similar with technique effect, and which is not described herein again.

Embodiment seven

Figure 14 is the schematic block diagram of a kind of base station that the embodiment of the present invention seven provides.The base station 1300 includes processor 1310th, memory 1320, transceiver 1330, antenna 1340, bus 1350 and user interface 1360.

Specifically, processor 1310 controls the operation of network element 1300, and processor 1310 can be general processor, number letter Number processor, application-specific integrated circuit, field programmable gate array or other programmable logic device.

Transceiver 1330 includes transmitter 1332 and receiver 1334, and transmitter 1332 is used to emit signal, receiver 1334 are used to receive signal.Wherein, the number of antenna 1340 can be one or more.Network element 1300 can also connect including user Mouth 1360, such as keyboard, microphone, loud speaker and/or touch screen.User interface 1360 can transmit content and control operation to base Stand 1300.

The various components of base station 1300 are coupled by bus 1350, and wherein bus system 1350 is total except data are included Except line, power bus, controlling bus and status signal bus in addition are further included.It, will be each in figure but for the sake of clear explanation Kind bus is all designated as bus system 1350.It should be noted that the above-mentioned description for architecture of base station, can be applied to the present invention's Embodiment.

Memory 1320 can include read-only memory (Read Only Memory, ROM) and random access memory (Random Access Memory, RAM) or the other kinds of dynamic memory that can store information and instruction, also may be used To be magnetic disk storage.Memory 1320 can be used for preserving the instruction for realizing correlation technique provided in an embodiment of the present invention.It can be with Understand, by programming or loading executable instruction to the processor 1310 of network element 1300, caching and at least one in long-term storage It is a.

The base station 1300 of the present embodiment can perform the correspondence step performed by base station in embodiment one to example IV, this Inventive embodiments repeat no more.

Embodiment eight

Figure 15 is the schematic block diagram of a kind of terminal device that the embodiment of the present invention eight provides.The terminal device 1400 includes Processor 1410, memory 1420, transceiver 1430, antenna 1440, bus 1450 and user interface 1460.

Specifically, processor 1410 controls the operation of network element 1400, and processor can be general processor, at digital signal Manage device, application-specific integrated circuit, field programmable gate array or other programmable logic device.

Transceiver 1430 includes transmitter 1432 and receiver 1434, and transmitter 1432 is used to emit signal, receiver 1434 are used to receive signal.Wherein, the number of antenna 1440 can be one or more.Terminal device 1400 can also include using Family interface 1460, such as keyboard, microphone, loud speaker and/or touch screen.User interface 1460 can transmit content and control operates To terminal device 1400.

The various components of terminal device 1400 are coupled by bus 1450, and wherein bus system 1450, which is removed, includes number Except bus, power bus, controlling bus and status signal bus in addition are further included.But for the sake of clear explanation, in figure Various buses are all designated as bus system 1450.It should be noted that the above-mentioned description for terminal device structure, can be applied to The embodiment of the present invention.

Memory 1420 can include read-only memory (Read Only Memory, ROM) and random access memory (Random Access Memory, RAM) or the other kinds of dynamic memory that can store information and instruction, also may be used To be magnetic disk storage.Memory 1420 can be used for preserving the instruction for realizing correlation technique provided in an embodiment of the present invention.It can be with Understand, by programming or loading executable instruction to the processor 1410 of terminal device 1400, caching and in storing for a long time extremely It is one few.

The terminal device 1400 of the present embodiment can perform pair performed by terminal device in embodiment one to example IV Step is answered, the embodiment of the present invention repeats no more.

One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment It completes, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..

The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.

Claims (28)

1. a kind of communication means, which is characterized in that including:
Base station sends downlink reference signal DLRS and the first Downlink Control Information DCI by low frequency band to terminal device, described First DCI includes the instruction information of uplink reference signals ULRS, wherein, the DLRS is determined for the terminal device in high frequency The reception wave beam that downlink data uses is received in frequency range;The instruction information of the ULRS is used to indicate the terminal device and sends ULRS;
The base station receives the ULRS that the terminal device is sent by the low frequency band;
The base station determines the transmission wave beam that transmission downlink data uses in high-frequency band according to the ULRS;
The base station sends downlink data in the high-frequency band using the transmission wave beam to the terminal device.
2. according to the method described in claim 1, it is characterized in that, the method further includes:
The base station sends the 2nd DCI by the low frequency band to the terminal device, and the 2nd DCI is used to indicate described Base station is the high frequency resources of terminal device distribution.
3. according to the method described in claim 2, it is characterized in that, the 2nd DCI includes being used to indicate the high-frequency transmission time The information of unit TTU marks.
4. according to the method described in claim 2, it is characterized in that, the 2nd DCI includes being used to indicate the high-frequency transmission time The information of unit TTU distribution.
5. according to the method described in Claims 1 to 4 any one, which is characterized in that the base station is determined according to the ULRS The transmission wave beam that downlink data uses is sent in high-frequency band, is specifically included:
The base station determines angle of arrival AoA according to the ULRS;
The base station determines to send the transmission wave beam that downlink data uses according to the AoA.
6. according to claim 1-4 any one of them methods, which is characterized in that the method further includes:
The capability indication information that the base station is reported in the low frequency band reception terminal device, the capability indication information The number information of reception wave beam including the terminal device in the high-frequency band, the terminal device are frequent in the height At least one of in the number information of radio frequency link in section.
7. according to the method described in claim 6, it is characterized in that, the method further includes:
The base station sends the 3rd DCI by the low frequency band to the terminal device, and the 3rd DCI includes one or more A following information:Base station sends high frequency resources information, base station radio-frequency link number or the wave beam number of wave beam tracking signal BTRS Information.
8. the method according to the description of claim 7 is characterized in that the base station is determined according to the ULRS in high-frequency band The transmission wave beam that downlink data uses is sent, including:
The base station sends the BTRS using the high frequency resources of the 3rd DCI instructions to the terminal device;
It is sent out in the high-frequency band base station that the base station receives the terminal device transmission by the low frequency band Send the transmission wave beam that downlink data uses.
9. according to the method described in claim 1~8 any one, which is characterized in that the low frequency band is one special point Loading gage wave.
10. according to the method described in claim 1~8 any one, which is characterized in that the low frequency band is component carrier One subband.
11. a kind of communication means, which is characterized in that including:
Terminal device receives the downlink reference signal DLRS and the first Downlink Control Information DCI of base station transmission by low frequency band, First DCI is used to indicate the terminal device and sends uplink reference signals ULRS;
The terminal device sends ULRS by the low frequency band according to the instruction information of the ULRS to the base station;
The terminal device determines the reception wave beam that reception downlink data uses in high-frequency band according to the DLRS;
The terminal device receives the downlink data of the base station transmission using the reception wave beam in the high-frequency band.
12. according to the method for claim 11, which is characterized in that the terminal device receives institute by the low frequency band The 2nd DCI of base station transmission is stated, the 2nd DCI is used to indicate the high frequency resources that the base station is terminal device distribution.
13. the method according to claim 11 or 12, which is characterized in that the terminal device is determined according to the DLRS The reception wave beam that downlink data uses is received in high-frequency band, is specifically included:
The terminal device determines to reach angle A oA according to the DLRS;
The terminal device determines to receive the reception wave beam that downlink data uses according to the AoA.
14. the method according to claim 11 or 12, which is characterized in that the method further includes:
The terminal device indicates information in the low frequency band to the base station reporting ability, and the capability indication information includes The number information of reception wave beam of the terminal device in the high-frequency band and the terminal device are in the high-frequency band On at least one of the number information of radio frequency link.
15. according to the method for claim 14, which is characterized in that the method further includes:
The terminal device receives the 3rd DCI of the base station transmission by the low frequency band, and the 3rd DCI includes one Or multiple following information:Base station sends high frequency resources information, base station radio-frequency link number or the wave beam of wave beam tracking signal BTRS Number information.
16. according to the method for claim 15, which is characterized in that the method further includes:
The terminal device receives the BTRS of the terminal device transmission using the high frequency resources of the 3rd DCI instructions;
The terminal device determines the reception wave beam that reception downlink data uses in high-frequency band according to the DLRS, including:
The terminal device determines that the base station sends the hair that downlink data uses in the high-frequency band according to the BTRS Wave beam and the terminal device is sent to receive the reception wave beam that downlink data uses in the high-frequency band;
The information for sending wave beam is sent to the base station by the terminal device by the low frequency band.
17. a kind of base station, which is characterized in that including:
Sending module sends downlink reference signal DLRS and the first Downlink Control Information for passing through low frequency band to terminal device DCI, the first DCI are used to indicate the terminal device and send uplink reference signals ULRS;The DLRS is used for the terminal Equipment determines to receive the reception wave beam that downlink data uses in high-frequency band;
Receiving module, for receiving the ULRS that the terminal device is sent by the low frequency band;
Processing module, for being determined to send the transmission wave beam that uses of downlink data in high-frequency band according to the ULRS;
The sending module is also used for the transmission wave beam and sends downlink to the terminal device in the high-frequency band Data.
18. base station according to claim 17, which is characterized in that the sending module is additionally operable to:
2nd DCI is sent to the terminal device by the low frequency band, the 2nd DCI is used to indicate the base station as institute State the high frequency resources of terminal device distribution.
19. the base station according to claim 17 or 18, which is characterized in that the processing module is specifically used for:
Angle of arrival AoA is determined according to the ULRS;
According to the AoA, determine to send the transmission wave beam that downlink data uses.
20. the base station according to claim 17 or 18, which is characterized in that the receiving module is additionally operable to:
The capability indication information reported by the low frequency band reception terminal device, the capability indication information include institute The number information that receives wave beam and the terminal device of the terminal device in the high-frequency band are stated in the high-frequency band At least one of the number information of radio frequency link.
21. base station according to claim 20, which is characterized in that the sending module is additionally operable to:
3rd DCI is sent to the terminal device by the low frequency band, the 3rd DCI includes one or more following letters Breath:Base station sends high frequency resources information, base station radio-frequency link number or the wave beam number information of wave beam tracking signal BTRS.
22. base station according to claim 21, which is characterized in that the sending module is specifically used for:
By the high frequency resources of the 3rd DCI instructions BTRS is sent to the terminal device.
23. a kind of terminal device, which is characterized in that including:
Receiving module, for receiving the downlink reference signal DLRS and the first Downlink Control Information of base station transmission by low frequency band DCI, the first DCI include the instruction information of uplink reference signals ULRS, and the instruction information is used to indicate the terminal and sets Preparation send uplink reference signals ULRS;
For the instruction information according to the ULRS, ULRS is sent by the low frequency band to the base station for sending module;
Processing module, for being determined to receive the reception wave beam that uses of downlink data in high-frequency band according to the DLRS;
The receiving module is also used for the reception wave beam and the downlink that the base station is sent is received in the high-frequency band Data.
24. terminal device according to claim 23, which is characterized in that the receiving module is additionally operable to:
The 2nd DCI of the base station transmission is received by the low frequency band, the 2nd DCI is used to indicate the base station as institute State the high frequency resources of terminal device distribution.
25. the terminal device according to claim 23 or 24, which is characterized in that the processing module is specifically used for:
It is determined to reach angle A oA according to the DLRS;
According to the AoA, determine to receive the reception wave beam that downlink data uses.
26. the terminal device according to claim 24 or 25, which is characterized in that the sending module is additionally operable to:
Information is indicated to the base station reporting ability, the capability indication information includes the terminal device in institute in low frequency band State of the radio frequency link of the number information and the terminal device of the reception wave beam in high-frequency band in the high-frequency band At least one of number information.
27. terminal device according to claim 26, which is characterized in that the receiving module is additionally operable to:
The 3rd DCI of the base station transmission is received by the low frequency band, the 3rd DCI includes believing below one or more Breath:Base station sends high frequency resources information, base station radio-frequency link number or the wave beam number information of wave beam tracking signal BTRS.
28. terminal device according to claim 27, which is characterized in that the receiving module is additionally operable to:Use described The high frequency resources of three DCI instructions receive the BTRS that the terminal device is sent;
The processing module is specifically used for:Determine that the base station sends downlink data in the high-frequency band according to the BTRS The transmission wave beam used and the terminal device receive the reception wave beam that downlink data uses in the high-frequency band;
The sending module is additionally operable to:The information for sending wave beam is sent to by the base station by the low frequency band.
CN201611096641.7A 2016-12-02 2016-12-02 Communication means, base station and terminal device CN108156662A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611096641.7A CN108156662A (en) 2016-12-02 2016-12-02 Communication means, base station and terminal device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611096641.7A CN108156662A (en) 2016-12-02 2016-12-02 Communication means, base station and terminal device
PCT/CN2017/112838 WO2018099328A1 (en) 2016-12-02 2017-11-24 Communication method, base station and terminal device

Publications (1)

Publication Number Publication Date
CN108156662A true CN108156662A (en) 2018-06-12

Family

ID=62241233

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611096641.7A CN108156662A (en) 2016-12-02 2016-12-02 Communication means, base station and terminal device

Country Status (2)

Country Link
CN (1) CN108156662A (en)
WO (1) WO2018099328A1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104519576A (en) * 2013-09-27 2015-04-15 北京三星通信技术研究有限公司 Mobile terminal and data transmission method in wireless community
CN104641576A (en) * 2012-09-06 2015-05-20 三星电子株式会社 Method and apparatus for communicating downlink control information in an asymmetric multicarrier communication network environment
US20150236774A1 (en) * 2014-02-20 2015-08-20 Samsung Electronics Co., Ltd. Method and apparatus for processing feedback information in wireless communication system supporting beamforming
WO2015157565A1 (en) * 2014-04-09 2015-10-15 Interdigital Patent Holdings, Inc. Mmw physical layer downlink channel scheduling and control signaling
WO2016003168A1 (en) * 2014-07-03 2016-01-07 엘지전자 주식회사 New uplink reference signal transmission method and device in millimetre-wave-supporting wireless access system
WO2016169058A1 (en) * 2015-04-24 2016-10-27 Mediatek Inc. An on-demand reconfigurable control plane architecture (orca) integrating millimeter-wave small cell and microwave macro cell

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170208479A1 (en) * 2014-07-23 2017-07-20 Ntt Docomo, Inc. Radio base station and radio communication method
CN107113787A (en) * 2014-11-07 2017-08-29 松下电器(美国)知识产权公司 The improved assignment of resources of transmission on unlicensed carrier wave

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104641576A (en) * 2012-09-06 2015-05-20 三星电子株式会社 Method and apparatus for communicating downlink control information in an asymmetric multicarrier communication network environment
CN104519576A (en) * 2013-09-27 2015-04-15 北京三星通信技术研究有限公司 Mobile terminal and data transmission method in wireless community
US20150236774A1 (en) * 2014-02-20 2015-08-20 Samsung Electronics Co., Ltd. Method and apparatus for processing feedback information in wireless communication system supporting beamforming
WO2015157565A1 (en) * 2014-04-09 2015-10-15 Interdigital Patent Holdings, Inc. Mmw physical layer downlink channel scheduling and control signaling
WO2016003168A1 (en) * 2014-07-03 2016-01-07 엘지전자 주식회사 New uplink reference signal transmission method and device in millimetre-wave-supporting wireless access system
WO2016169058A1 (en) * 2015-04-24 2016-10-27 Mediatek Inc. An on-demand reconfigurable control plane architecture (orca) integrating millimeter-wave small cell and microwave macro cell

Also Published As

Publication number Publication date
WO2018099328A1 (en) 2018-06-07

Similar Documents

Publication Publication Date Title
US10560851B2 (en) Method and apparatus for uplink beam management in next generation wireless systems
US9955511B2 (en) Method for reporting channel state information in wireless communication system, and apparatus therefor
US9980255B2 (en) Method for transmitting uplink control information, user equipment and base station
US10666413B2 (en) Transmission of uplink control information in carrier aggregation with a large number of cells
EP3198778B1 (en) User equipment, apparatus for use in an enhanced node b, and computer-readable storage medium of handling uplink transmission collision for enhanced coverage mode ues
JP6599357B2 (en) Method and apparatus for transmitting an uplink sounding reference signal
CN106471858B (en) Method and user equipment for switching to dual connectivity in carrier aggregation
US9246665B2 (en) Transmitting apparatus, receiving apparatus, and communication method
KR101980101B1 (en) Method and apparatus for beam allocation in wireless communication system
US9614607B2 (en) Millimeter-wave relay device with bounded delay and method for retransmission of symbols
CN105229949B (en) TDD radio communication system
US9258104B2 (en) Pattern indicator signal for new DMRS pattern
KR101573160B1 (en) Notifying a ul/dl configuration in lte tdd systems
BE1019928A5 (en) Resource allocation for pucch 1b format with channel selection in a tdd lte-a system.
KR101573159B1 (en) Notifying a ul/dl configuration in lte tdd systems
US8625558B2 (en) Method and apparatus to determine a CFI (control format indicator) value in a wireless communication network
JP5905484B2 (en) Apparatus and method for periodic channel state reporting in a wireless network
US9461718B2 (en) Method for transmitting channel quality information, and apparatus for same
ES2750029T3 (en) Method and device to determine a number of MIMO layers
EP3014786B1 (en) Grouping based reference signal transmission for massive mimo scheme
EP2137858B1 (en) Method and apparatus for providing channel quality and precoding metric feedback in an orthogonal frequency division multiplexing communication system
KR101687589B1 (en) Coordinated Communication Methods in Radio Communication Systems and Device for Performing the same
US10433312B2 (en) Method of performing uplink transmission in wireless communication system and apparatus therefor
US20130165122A1 (en) Communication setting method, wireless base station, and mobile station
US9184811B2 (en) Base station apparatus, mobile station apparatus and control information transmission method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination