CN110300451A - Wave beam indicating means, beam selection method, device, base station and terminal - Google Patents

Wave beam indicating means, beam selection method, device, base station and terminal Download PDF

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Publication number
CN110300451A
CN110300451A CN201810234820.5A CN201810234820A CN110300451A CN 110300451 A CN110300451 A CN 110300451A CN 201810234820 A CN201810234820 A CN 201810234820A CN 110300451 A CN110300451 A CN 110300451A
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China
Prior art keywords
information
wave beam
effective time
instruction
terminal
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Granted
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CN201810234820.5A
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Chinese (zh)
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CN110300451B (en
Inventor
左君
徐国珍
王森
王爱玲
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China Mobile Communications Group Co Ltd
China Mobile Communications Co Ltd
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China Mobile Communications Group Co Ltd
China Mobile Communications Co Ltd
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Priority to CN201810234820.5A priority Critical patent/CN110300451B/en
Priority to PCT/CN2019/077627 priority patent/WO2019179323A1/en
Publication of CN110300451A publication Critical patent/CN110300451A/en
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Publication of CN110300451B publication Critical patent/CN110300451B/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

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

Abstract

The present invention provides a kind of wave beam indicating means, beam selection method, device, base station and terminal, this method comprises: sending instruction information to target terminal, the instruction information is used to indicate the wave beam indicating mode of the target terminal；When the instruction information indicates that the wave beam indicating mode of the target terminal is semi-static instruction, the first Downlink Control Information for being used to indicate the effective time length of the beam information for receiving wave beam and the beam information is sent to target terminal；If the wave beam indicating mode of terminal does not change in the effective time length of the beam information in the embodiment of the present invention, base station no longer needs to the beam information that wave beam is transmitted and received by Downlink Control Information, avoids the waste of resource.

Description

Wave beam indicating means, beam selection method, device, base station and terminal
Technical field
The present invention relates to field of communication technology, a kind of wave beam indicating means, beam selection method, device, base are referred in particular to It stands and terminal.
Background technique
In 5G, multiaerial system uses numeric field and analog domain mixed architecture to take into account coverage area and complexity.Work as base It stands end and when user terminal is configured with multiple analog beams, needs through wave beam management so that using channel quality between user and base station Preferable wave beam is to communication to guarantee transmission rate.Downlink wave beam management process is the following steps are included: base station send wave beam tube is managed Reference signal, user measure and report beam measurement, and base station selected downlink sends wave beam and user's use is sent with base station Reception wave beam that wave beam matches receives downlink data.During current 3GPP is discussed, in order to allow user to use the hair with base station Wave beam indicating mode implicitly or explicitly can be used in the reception wave beam for sending wave beam to match, base station.Use explicit or implicit wave beam Indicating mode need to notify user by passing through high-level signaling (such as radio resource control RRC signaling) after base station end decision.Implicit wave beam In indicating mode, base station and user are according to the criterion selection wave beam appointed, such as use wave beam identical with control channel；Explicitly In wave beam indicating mode, base station sends transmission of configuration information (Transmission by down control channel Configuration Indicator, TCI) user is given, user is by TCI it can be seen that downlink reception beam information.Concrete mode TCI information table is configured by RRC signaling for base station, shares M TCI state in information table, each state is by multiple { RS index values The co-located type of+standard } composition, quasi- co-located (QCL) type includes tetra- seed type of TypeA, TypeB, TypeC, TypeD, wherein TypeD It is co-located to characterize space standard.The domain TCI occupies the 3-bit in Downlink Control Information, characterizes the index value of some TCI state.User connects After receiving Downlink Control Information, the 3-bit of TCI index information is read, such as " 101 ", according in " 101 " corresponding TCI information table A certain TCI state, learn quasi- co-located information.User is connect using the reception wave beam of the RS of { RS index value+TypeD } in the state Data information is received, i.e., obtains receiving beam information by the co-located information of standard of TypeD.
Base station is needed logical by high-level signaling using which kind of wave beam indicating mode (implicitly or explicitly) in 3GPP discussion at present User is known, in general, receiving the required time from base station transmission high-level signaling to user is hundred milliseconds of magnitudes, so can not be quick The dynamically implicitly or explicitly mode of switching-beam instruction.If current beam indicating mode is explicit instruction, in control channel The domain TCI in have the information of correlation reception wave beam, but in some scenes, under high-speed mobile (high-speed rail) scene, base station with Direct projection diameter is stronger in the channel of terminal, and scattering diameter is weaker, and the motion profile of terminal and speed are relatively fixed, wave beam pair Selection has stronger regularity, as shown in Figure 1.
In Fig. 1 assume base station can form 6 analog beams, when train pass through base station coverage area when, successively with wave beam # 1, #2, #3, #4, #5, #6 communication are 500km/h with the high-speed rail speed of service, and analog beam width is 15 degree, station spacing 1732 Rice, gauge of standing are that 100m is estimated, the call duration time of train and each wave beam is about hundreds of milliseconds, that is, beam switchover occurs Time interval is hundreds of milliseconds.According to existing wave beam indicating mode, indicated according to implicitly wave beam, it may by high-level signaling Being switched fast for wave beam is not can guarantee；If with explicitly wave beam indicating mode, in the domain TCI of the control channel of each time slot Have the related instruction information for receiving wave beam, but under high-speed rail scene in hundreds of milliseconds the matched beam of base station and terminal to may be It remains unchanged, i.e., the correlation reception beam information in the domain TCI may be identical in hundreds of milliseconds, cause the waste of resource.
Summary of the invention
The purpose of the present invention is to provide a kind of wave beam indicating means, beam selection method, device, base station and terminal, with It solves to be based only upon high-level signaling in the prior art or be based only upon Downlink Control Information to carry out money caused by the mode of wave beam instruction The problem of source wastes.
In order to achieve the above object, the embodiment of the present invention provides a kind of wave beam indicating means, comprising:
Instruction information is sent to target terminal, the instruction information is used to indicate the wave beam instruction side of the target terminal Formula；
When the instruction information indicates that the wave beam indicating mode of the target terminal is semi-static instruction, to target terminal Send the first downlink control letter for the effective time length for being used to indicate the beam information and the beam information that receive wave beam Breath.
Wherein, the method also includes:
In the effective time length of the beam information, wave beam indicating mode is sent to target terminal by high-level signaling Change information；The change information be used for by the wave beam indicating mode of the target terminal be changed to high-level signaling instruction or Downlink Control Information instruction.
Wherein, the method also includes:
It is indicated if the wave beam indicating mode of the target terminal is changed to high-level signaling by the change information, passes through high level Signaling transmits and receives the beam information of wave beam to the target terminal；
It is indicated if the wave beam indicating mode of the target terminal is changed to Downlink Control Information by the change information, to institute It states target terminal and sends the second Downlink Control Information for being used to indicate the beam information for receiving wave beam.
Wherein, the method also includes:
After the effective time length of the beam information reaches, is sent to target terminal and be used to indicate reception wave beam The third Downlink Control Information of the effective time length of beam information and the beam information.
Wherein, the beam information for receiving wave beam is the index value in default beam set, alternatively, the reception wave beam Beam information be transmission of configuration information index value；
Wherein, the default beam set includes multiple reception wave beams.
Wherein, the effective time length of the beam information is the index value preset in effective time span set；
Wherein, it is described preset effective time span set include multiple effective time length.
The embodiment of the present invention also provides a kind of beam selection method, comprising:
The instruction information that base station is sent is received, the instruction information is used to indicate the wave beam indicating mode of terminal；
When the instruction information indicates that the wave beam indicating mode of the terminal is semi-static instruction, receive what base station was sent It is used to indicate the first Downlink Control Information of the effective time length of the beam information and the beam information that receive wave beam；
It is the downlink in the effective time length of beam information according to the beam information in first Downlink Control Information Data selection receives wave beam.
Wherein, the method also includes:
In the effective time length of the beam information, the wave beam indicating mode that base station is sent by high-level signaling is received Change information；
Wherein, the change information be used for by the wave beam indicating mode of the terminal be changed to high-level signaling instruction or under Row control information instruction.
Wherein, the method also includes:
If the change information is used to for the wave beam indicating mode of the terminal to be changed to high-level signaling instruction, base station is received It is the downlink after receiving change information by the beam information for the reception wave beam that high-level signaling is sent, and according to beam information Data selection receives wave beam；
If the change information is used to for the wave beam indicating mode of the terminal to be changed to Downlink Control Information instruction, receive What base station was sent is used to indicate the second Downlink Control Information for receiving the beam information of wave beam, and is controlled according to second downlink Beam information in information is that the downlink data selection after receiving change information receives wave beam.
Wherein, the method also includes:
After the effective time length of the beam information reaches, receives being used to indicate for base station transmission and receive wave beam The third Downlink Control Information of the effective time length of beam information and the beam information；
It is in the effective time length of the beam information according to the beam information in the third Downlink Control Information Downlink data selection receives wave beam.
Wherein, the beam information for receiving wave beam is the index value in default beam set, alternatively, the reception wave beam Beam information be transmission of configuration information index value；
Wherein, presetting beam set includes multiple reception wave beams.
Wherein, the effective time length of the beam information is the index value preset in effective time span set；
Wherein, it is described preset effective time span set include multiple effective time length.
The embodiment of the present invention also provides a kind of wave beam instruction device, comprising:
First sending module, for sending instruction information to target terminal, the instruction information is used to indicate the target The wave beam indicating mode of terminal；
Second sending module, for indicating that the wave beam indicating mode of the target terminal is semi-static in the instruction information When instruction, the effective time length for being used to indicate the beam information and the beam information that receive wave beam is sent to target terminal The first Downlink Control Information.
The embodiment of the present invention also provides a kind of base station, including processor and transceiver, the processor and the transceiver For executing following process:
The processor controls the transceiver and sends instruction information to target terminal, and the instruction information is used to indicate institute State the wave beam indicating mode of target terminal；
When the instruction information indicates that the wave beam indicating mode of the target terminal is semi-static instruction, the transceiver The first of the effective time length for being used to indicate the beam information for receiving wave beam and the beam information is sent to target terminal Downlink Control Information.
Wherein, the transceiver is also used to:
In the effective time length of the beam information, wave beam indicating mode is sent to target terminal by high-level signaling Change information；The change information be used for by the wave beam indicating mode of the target terminal be changed to high-level signaling instruction or Downlink Control Information instruction.
Wherein, the transceiver is also used to:
It is indicated if the wave beam indicating mode of the target terminal is changed to high-level signaling by the change information, passes through high level Signaling transmits and receives the beam information of wave beam to the target terminal；
It is indicated if the wave beam indicating mode of the target terminal is changed to Downlink Control Information by the change information, to institute It states target terminal and sends the second Downlink Control Information for being used to indicate the beam information for receiving wave beam.
Wherein, the transceiver is also used to:
After the effective time length of the beam information reaches, is sent to target terminal and be used to indicate reception wave beam The third Downlink Control Information of the effective time length of beam information and the beam information.
Wherein, the beam information for receiving wave beam is the index value in default beam set, alternatively, the reception wave beam Beam information be transmission of configuration information index value；
Wherein, the default beam set includes multiple reception wave beams.
Wherein, the effective time length of the beam information is the index value preset in effective time span set；
Wherein, it is described preset effective time span set include multiple effective time length.
The embodiment of the present invention also provides a kind of beam selection device, comprising:
First receiving module, for receiving the instruction information of base station transmission, the instruction information is used to indicate the terminal Wave beam indicating mode；
Second receiving module, for indicating that the wave beam indicating mode of the terminal is semi-static instruction in the instruction information When, receive the of the effective time length for being used to indicate the beam information and the beam information that receive wave beam that base station is sent One Downlink Control Information；
Beam selection module, for being having for beam information according to the beam information in first Downlink Control Information The downlink data selection imitated in time span receives wave beam.
The embodiment of the present invention also provides a kind of terminal, including processor and transceiver, and the transceiver is as follows for executing Process:
The instruction information that base station is sent is received, the instruction information is used to indicate the wave beam indicating mode of terminal；
When the instruction information indicates that the wave beam indicating mode of the terminal is semi-static instruction, receive what base station was sent It is used to indicate the first Downlink Control Information of the effective time length of the beam information and the beam information that receive wave beam；
The processor is for executing following process:
It is the downlink in the effective time length of beam information according to the beam information in first Downlink Control Information Data selection receives wave beam.
Wherein, the transceiver is also used to:
In the effective time length of the beam information, the wave beam indicating mode that base station is sent by high-level signaling is received Change information；
Wherein, the change information be used for by the wave beam indicating mode of the terminal be changed to high-level signaling instruction or under Row control information instruction.
Wherein, the transceiver is also used to:
If the change information is used to for the wave beam indicating mode of the terminal to be changed to high-level signaling instruction, base station is received Pass through the beam information for the reception wave beam that high-level signaling is sent；The processor is also used to: being to receive more according to beam information Convert to the downlink data selection reception wave beam after breath；
If the change information is used to for the wave beam indicating mode of the terminal to be changed to Downlink Control Information instruction, receive What base station was sent is used to indicate the second Downlink Control Information for receiving the beam information of wave beam；The processor is also used to: according to Beam information in second Downlink Control Information is that the downlink data selection after receiving change information receives wave beam.
Wherein, the transceiver is also used to:
After the effective time length of the beam information reaches, receives being used to indicate for base station transmission and receive wave beam The third Downlink Control Information of the effective time length of beam information and the beam information；
The processor is also used to: being the beam information according to the beam information in the third Downlink Control Information Effective time length in downlink data selection receive wave beam.
Wherein, the beam information for receiving wave beam is the index value in default beam set, alternatively, the reception wave beam Beam information be transmission of configuration information index value；
Wherein, presetting beam set includes multiple reception wave beams.
Wherein, the effective time length of the beam information is the index value preset in effective time span set；
Wherein, it is described preset effective time span set include multiple effective time length.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program, feature It is, which realizes the step in wave beam indicating means as described above when being executed by processor；Alternatively, the program is processed Device realizes the step in beam selection method as described above when executing.
Above-mentioned technical proposal of the invention at least has the following beneficial effects:
In the wave beam indicating means of the embodiment of the present invention, beam selection method, device, base station and terminal, pass through instruction letter The wave beam indicating mode to inform terminal is ceased, is sent under first when the wave beam indicating mode of terminal is semi-static instruction to terminal Row controls information, is used to indicate in first Downlink Control Information and receives the beam information of wave beam and having for the beam information Imitate time span, if then the wave beam indicating mode of terminal does not change in the effective time length of the beam information, base Station no longer needs to the beam information that wave beam is transmitted and received by Downlink Control Information, avoids the waste of resource；Further, if The wave beam indicating mode of terminal changes in the effective time length of the beam information, and base station can be sent by high-level signaling Terminal sends change information, to dynamically realize the quick variation of wave beam indicating means with less signaling.
Detailed description of the invention
Fig. 1 shows the wave beam schematic diagrames under high-speed mobile scene in the prior art；
Fig. 2 indicates the step flow chart of wave beam indicating means provided in an embodiment of the present invention；
Fig. 3 indicates the time slot schematic diagram in wave beam indicating means and beam selection method provided in an embodiment of the present invention；
Fig. 4 indicates the step flow chart of beam selection method provided in an embodiment of the present invention；
Fig. 5 indicates the structural schematic diagram of wave beam instruction device provided in an embodiment of the present invention；
Fig. 6 indicates the structural schematic diagram of base station provided in an embodiment of the present invention；
Fig. 7 indicates the structural schematic diagram of beam selection device provided in an embodiment of the present invention；
Fig. 8 shows the structural schematic diagrams of terminal provided in an embodiment of the present invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool Body embodiment is described in detail.
As shown in Fig. 2, the embodiment of the present invention provides a kind of wave beam indicating means, comprising:
Step 21, instruction information is sent to target terminal, the instruction information is used to indicate the wave beam of the target terminal Indicating mode.
In this step, the wave beam indicating mode of target terminal includes three kinds of modes, first way are as follows: high-level signaling refers to Show；The second way are as follows: Downlink Control Information DCI instruction；The third mode are as follows: semi-static instruction, such as Downlink Control Information DCI instruction+high-level signaling instruction.
Step 22, when the instruction information indicates that the wave beam indicating mode of the target terminal is semi-static instruction, to Target terminal is sent under the first of the effective time length for being used to indicate the beam information and the beam information that receive wave beam Row control information.
It should be noted that being sent to target terminal in the above embodiment of the present invention and being used to indicate the wave for receiving wave beam When the first Downlink Control Information of beam information and the effective time length of the beam information, base station can be under above-mentioned first The effective time length of the beam information and beam information is directly carried in row control information；Alternatively, base station can also be Carried in above-mentioned first Downlink Control Information can embody or the auxiliary information comprising beam information and beam information it is effective Time span, the auxiliary information that terminal receives the carrying of the first Downlink Control Information can obtain the wave for receiving wave beam indirectly later Beam information.Such as base station carries transmission configuration instruction information in the first Downlink Control Information, transmission configuration instruction information includes Information required for several users demodulate, beam information is one of them, so terminal receives transmission of configuration information and also just obtains Beam information.
The embodiment of the present invention increases a kind of new wave beam indicating mode, i.e., semi-static indicating mode.Preferably, this is half quiet State indicating mode is specially that Downlink Control Information instruction+high-level signaling indicates the wave beam indicating mode combined, is made full use of down The timeliness of row control information instruction and the reliability of high layer information instruction, to dynamically indicate to receive with less signaling The quick variation of the beam information and wave beam indicating mode of wave beam.
Further, in the above embodiment of the present invention, after step 22, the method also includes:
In the effective time length of the beam information, wave beam indicating mode is sent to target terminal by high-level signaling Change information；The change information be used for by the wave beam indicating mode of the target terminal be changed to high-level signaling instruction or Downlink Control Information instruction.
Preferably, in the effective time length of beam information, if base station determines to change the wave beam instruction of the target terminal Mode, for example, the wave beam indicating mode of target terminal is changed to high-level signaling instruction, alternatively, the wave beam of target terminal is referred to The mode of showing is changed to Downlink Control Information DCI instruction.Then base station directly sends wave beam instruction to target terminal by high-level signaling The change information of mode, subsequent base stations and terminal obtain the wave beam letter for receiving wave beam according to the wave beam indicating mode after change Breath.
In the effective time length of beam information, if the wave beam indicating mode of target terminal without change, i.e. target is whole The wave beam indicating mode at end is semi-static instruction always, then base station is not necessarily under other in the effective time length of beam information It is used to indicate the beam information for receiving wave beam in row control information, without the wave beam for indicating reception wave beam by high-level signaling Information, there are no the Target indication modes that change target terminal need to be indicated by high-level signaling, to save resource.
Preferably, above-mentioned high-level signaling is specifically as follows radio resource control RRC signaling.Base station decision terminal is current Wave beam indicating mode be Downlink Control Information DCI+ high-level signaling after, target terminal is notified by RRC signaling.Further, such as Shown in Fig. 3, base station sends the wave beam letter of the reception wave beam of N bit in the Downlink Control Information of the nth slot of the target terminal The information of the effective time length of breath and M bit.If effective time be k time slot, (n+1)th, the n+2 ... of the user, Without the beam information for receiving wave beam in the Downlink Control Information of n+k-1 time slot, target terminal is in its effective time length Beam selection is carried out according to the beam information of the reception wave beam of nth slot.Wherein, n, k, N, M are positive integer.
Preferably, the beam information for receiving wave beam is the index value in default beam set, alternatively, the received wave The beam information of beam is the index value of transmission of configuration information；Wherein, the default beam set includes multiple reception wave beams；This is pre- If index in beam set can also directly indicate or indirectly indicate by way of realize, do not limit specifically herein.Institute The effective time length for stating beam information is the index value preset in effective time span set；Wherein, described when presetting effective Between lengths sets include multiple effective time length.
In the above embodiment of the present invention, base station can be pre-defined comprising multiple set A and packet for receiving beam information Default effective time span set B containing multiple effective time length, and terminal is notified by RRC signaling.Correspondingly, downlink control Beam information in information processed is the index value in set A, and the effective time length of beam information is that default effective time is long Spend the index value in set B.It should be noted that base station same can update above-mentioned set A and default effective time by RRC signaling Lengths sets B.
Further, after base station sends the change information of wave beam indicating mode to target terminal by high-level signaling, The method also includes:
It is indicated if the wave beam indicating mode of the target terminal is changed to high-level signaling by the change information, passes through high level Signaling transmits and receives the beam information of wave beam to the target terminal；
It is indicated if the wave beam indicating mode of the target terminal is changed to Downlink Control Information by the change information, to institute It states target terminal and sends the second Downlink Control Information for being used to indicate the beam information for receiving wave beam.
In short, base station is changed by high-level signaling after the wave beam indicating mode of target terminal, base station and target terminal It works according to the wave beam indicating mode after change, working principle and workflow are consistent with the prior art, do not make herein in detail Thin description.
Example in undertaking, in the effective time length of beam information, if the wave beam indicating mode of target terminal is not necessarily to change, After the effective time length of the beam information reaches, the method also includes:
The effective time that the beam information and the beam information that are used to indicate reception wave beam are sent to target terminal is long The third Downlink Control Information of degree.
Explanation is needed further exist for, above-mentioned second Downlink Control Information and third Downlink Control Information can directly be taken With receive wave beam beam information, or carry auxiliary information come be spaced instruction receive wave beam beam information, concrete mode with First Downlink Control Information is identical, does not repeat to repeat herein.
As shown in figure 3, base station be used to indicate in the Downlink Control Information of the n-th+k time slot receive wave beam beam information with And the effective time length of the beam information.In short, if Downlink Control Information instruction effective time length in target The wave beam indicating mode of terminal is without change, then base station leads in first time slot after the arrival of previous effective time length It crosses Downlink Control Information and sends beam information and effective time length again；If the effective time length sent every time is phase Deng effective time length, then base station periodically to target terminal send is used to indicate receive wave beam beam information and institute State the Downlink Control Information of the effective time length of beam information.
To sum up, in the above embodiment of the present invention, the wave beam indicating mode of terminal is informed by instruction information, in terminal Wave beam indicating mode send the first Downlink Control Information to terminal when being semi-static instruction, use in first Downlink Control Information The beam information of wave beam and the effective time length of the beam information are received in instruction, if then in the effective of the beam information The wave beam indicating mode of terminal does not change in time span, then base station no longer needs to transmit and receive by Downlink Control Information The beam information of wave beam avoids the waste of resource；Further, if in the effective time length of the beam information terminal Wave beam indicating mode changes, and base station can be sent terminal by high-level signaling and send change information, thus with less signaling The dynamic quick variation for realizing wave beam indicating means.
As shown in figure 4, the embodiment of the present invention also provides a kind of beam selection method, comprising:
Step 41, the instruction information that base station is sent is received, the instruction information is used to indicate the wave beam instruction of the terminal Mode.
In this step, the wave beam indicating mode of terminal includes three kinds of modes, first way are as follows: high-level signaling instruction；The Two kinds of modes are as follows: Downlink Control Information DCI instruction；The third mode are as follows: semi-static instruction, such as Downlink Control Information DCI refer to Show+high-level signaling instruction.
Step 42, when the instruction information indicates that the wave beam indicating mode of the terminal is semi-static instruction, base is received First downlink control of the effective time length for being used to indicate the beam information and the beam information that receive wave beam sent of standing Information processed；
It step 43, is the effective time length of beam information according to the beam information in first Downlink Control Information Interior downlink data selection receives wave beam.
It should be noted that receiving the wave for being used to indicate reception wave beam that base station is sent in the above embodiment of the present invention When the first Downlink Control Information of beam information and the effective time length of the beam information, base station can be under above-mentioned first The effective time length of the beam information and beam information is directly carried in row control information；Alternatively, base station can also be Carried in above-mentioned first Downlink Control Information can embody or the auxiliary information comprising beam information and beam information it is effective Time span, the auxiliary information that terminal receives the carrying of the first Downlink Control Information can obtain the wave for receiving wave beam indirectly later Beam information.Such as base station carries transmission configuration instruction information in the first Downlink Control Information, transmission configuration instruction information includes Information required for several users demodulate, beam information is one of them, so terminal receives transmission of configuration information and also just obtains Beam information.
The embodiment of the present invention increases a kind of new wave beam indicating mode, i.e., semi-static indicating mode.Preferably, this is half quiet State indicating mode is specially that Downlink Control Information instruction+high-level signaling indicates the wave beam indicating mode combined, is made full use of down The timeliness of row control information instruction and the reliability of high layer information instruction, to dynamically indicate to receive with less signaling The quick variation of the beam information and wave beam indicating mode of wave beam.
Further, in the above embodiment of the present invention, after step 43, the method also includes:
In the effective time length of the beam information, the wave beam indicating mode that base station is sent by high-level signaling is received Change information；
Wherein, the change information be used for by the wave beam indicating mode of the terminal be changed to high-level signaling instruction or under Row control information instruction.
Preferably, in the effective time length of beam information, if base station determines to change the wave beam indicating mode of the terminal, For example, the wave beam indicating mode of terminal is changed to high-level signaling instruction, alternatively, the wave beam indicating mode of terminal is changed to down Row control information DCI instruction.Then base station directly sends the change information of wave beam indicating mode by high-level signaling to terminal, subsequent Base station and terminal obtain the beam information for receiving wave beam according to the wave beam indicating mode after change.
In the effective time length of beam information, if the wave beam indicating mode of terminal is without change, the i.e. wave beam of terminal Indicating mode is semi-static instruction always, then base station is not necessarily to control letter in other downlinks in the effective time length of beam information The beam information for receiving wave beam is used to indicate in breath, without the beam information for indicating reception wave beam by high-level signaling, more Without indicating the Target indication mode of change terminal by high-level signaling, to save resource.
Preferably, above-mentioned high-level signaling is specifically as follows radio resource control RRC signaling.Base station decision terminal is current Wave beam indicating mode be Downlink Control Information DCI+ high-level signaling after, terminal is notified by RRC signaling.Further, such as Fig. 3 institute Show, base station sends the beam information and M of the reception wave beam of N bit in the Downlink Control Information of the nth slot of the terminal The information of the effective time length of bit.If effective time is k time slot, when (n+1)th, the n+2 ... of the user, n+k-1 Without the beam information for receiving wave beam in the Downlink Control Information of gap, terminal is in its effective time length according to nth slot Reception wave beam beam information carry out beam selection.Wherein, n, k, N, M are positive integer.
Preferably, the beam information for receiving wave beam is the index value in default beam set, alternatively, the received wave The beam information of beam is the index value of transmission of configuration information；Wherein, the default beam set includes multiple reception wave beams；This is pre- If index in beam set can also directly indicate or indirectly indicate by way of realize, do not limit specifically herein.Institute The effective time length for stating beam information is the index value preset in effective time span set；Wherein, described when presetting effective Between lengths sets include multiple effective time length.
In the above embodiment of the present invention, base station can be pre-defined comprising multiple set A and packet for receiving beam information Default effective time span set B containing multiple effective time length, and terminal is notified by RRC signaling.Correspondingly, downlink control Beam information in information processed is the index value in set A, and the effective time length of beam information is that default effective time is long Spend the index value in set B.It should be noted that base station same can update above-mentioned set A and default effective time by RRC signaling Lengths sets B.
Further, after terminal receives the change information of wave beam indicating mode by high-level signaling, the method Further include:
If the change information is used to for the wave beam indicating mode of the terminal to be changed to high-level signaling instruction, base station is received It is the downlink after receiving change information by the beam information for the reception wave beam that high-level signaling is sent, and according to beam information Data selection receives wave beam；
If the change information is used to for the wave beam indicating mode of the terminal to be changed to Downlink Control Information instruction, receive What base station was sent is used to indicate the second Downlink Control Information for receiving the beam information of wave beam, and is controlled according to second downlink Beam information in information is that the downlink data selection after receiving change information receives wave beam.
In short, base station is changed by high-level signaling after the wave beam indicating mode of terminal, base station and terminal are according to more Wave beam indicating mode work after changing, working principle and workflow are consistent with the prior art, and no further details to be given herein.
Example in undertaking, in the effective time length of beam information, if the wave beam indicating mode of terminal is not necessarily to change, in institute After the effective time length arrival for stating beam information, the method also includes:
It is long to receive the effective time for being used to indicate the beam information and the beam information that receive wave beam that base station is sent The third Downlink Control Information of degree；
It is in the effective time length of the beam information according to the beam information in the third Downlink Control Information Downlink data selection receives wave beam.
Explanation is needed further exist for, above-mentioned second Downlink Control Information and third Downlink Control Information can directly be taken With receive wave beam beam information, or carry auxiliary information come be spaced instruction receive wave beam beam information, concrete mode with First Downlink Control Information is identical, does not repeat to repeat herein.
As shown in figure 3, base station be used to indicate in the Downlink Control Information of the n-th+k time slot receive wave beam beam information with And the effective time length of the beam information.In short, if Downlink Control Information instruction effective time length in terminal Wave beam indicating mode without change, then base station previous effective time length arrival after first time slot in pass through under Row control information sends beam information and effective time length again；If the effective time length sent every time is equal Effective time length, then periodically sending to terminal for base station is used to indicate the beam information for receiving wave beam and wave beam letter The Downlink Control Information of the effective time length of breath.
To sum up, in the above embodiment of the present invention, the wave beam indicating mode of terminal is informed by instruction information, in terminal Wave beam indicating mode send the first Downlink Control Information to terminal when being semi-static instruction, use in first Downlink Control Information The beam information of wave beam and the effective time length of the beam information are received in instruction, if then in the effective of the beam information The wave beam indicating mode of terminal does not change in time span, then base station no longer needs to transmit and receive by Downlink Control Information The beam information of wave beam avoids the waste of resource；Further, if in the effective time length of the beam information terminal Wave beam indicating mode changes, and base station can be sent terminal by high-level signaling and send change information, thus with less signaling The dynamic quick variation for realizing wave beam indicating means.
As shown in figure 5, the embodiment of the present invention also provides a kind of wave beam instruction device, comprising:
First sending module 51, for sending instruction information to target terminal, the instruction information is used to indicate the mesh Mark the wave beam indicating mode of terminal；
Second sending module 52, for indicating that the wave beam indicating mode of the target terminal is half quiet in the instruction information When state indicates, the effective time that the beam information and the beam information that are used to indicate reception wave beam are sent to target terminal is long First Downlink Control Information of degree.
Preferably, in the above embodiment of the present invention, described device further include:
Third sending module, in the effective time length of the beam information, by high-level signaling to target end End sends the change information of wave beam indicating mode；The change information is used to change the wave beam indicating mode of the target terminal For high-level signaling instruction or Downlink Control Information instruction.
Preferably, in the above embodiment of the present invention, described device further include:
4th sending module, if the wave beam indicating mode of the target terminal is changed to high level for the change information Signaling instruction, the beam information of wave beam is transmitted and received by high-level signaling to the target terminal；
5th sending module, if the wave beam indicating mode of the target terminal is changed to downlink for the change information Information instruction is controlled, Xiang Suoshu target terminal sends the second Downlink Control Information for being used to indicate the beam information for receiving wave beam.
Preferably, in the above embodiment of the present invention, described device further include:
6th sending module, for being sent to target terminal after the arrival of the effective time length of the beam information It is used to indicate the third Downlink Control Information of the effective time length of the beam information and the beam information that receive wave beam.
Preferably, the beam information for receiving wave beam is in default beam set in the above embodiment of the present invention Index value, alternatively, the beam information for receiving wave beam is the index value of transmission of configuration information；
Wherein, the default beam set includes multiple reception wave beams.
Preferably, the effective time length of the beam information is default effective time in the above embodiment of the present invention Index value in lengths sets；
Wherein, it is described preset effective time span set include multiple effective time length.
To sum up, in the above embodiment of the present invention, the wave beam indicating mode of terminal is informed by instruction information, in terminal Wave beam indicating mode send the first Downlink Control Information to terminal when being semi-static instruction, use in first Downlink Control Information The beam information of wave beam and the effective time length of the beam information are received in instruction, if then in the effective of the beam information The wave beam indicating mode of terminal does not change in time span, then base station no longer needs to transmit and receive by Downlink Control Information The beam information of wave beam avoids the waste of resource；Further, if in the effective time length of the beam information terminal Wave beam indicating mode changes, and base station can be sent terminal by high-level signaling and send change information, thus with less signaling The dynamic quick variation for realizing wave beam indicating means.
It should be noted that wave beam instruction device provided in an embodiment of the present invention is to be able to carry out above-mentioned wave beam indicating means Wave beam instruction device, then all embodiments of above-mentioned wave beam indicating means are suitable for the wave beam instruction device, and can reach To the same or similar beneficial effect.
As shown in fig. 6, the embodiment of the present invention also provides a kind of base station, including processor 600 and transceiver 610, the place Reason device 600 and the transceiver 610 are for executing following process:
The processor 600 controls the transceiver 610 and sends instruction information to target terminal, and the instruction information is used for Indicate the wave beam indicating mode of the target terminal；
When the instruction information indicates that the wave beam indicating mode of the target terminal is semi-static instruction, the transceiver 610 send the of the effective time length for being used to indicate the beam information for receiving wave beam and the beam information to target terminal One Downlink Control Information.
Preferably, the transceiver 610 is also used in the above embodiment of the present invention:
In the effective time length of the beam information, wave beam indicating mode is sent to target terminal by high-level signaling Change information；The change information be used for by the wave beam indicating mode of the target terminal be changed to high-level signaling instruction or Downlink Control Information instruction.
Preferably, the transceiver 610 is also used in the above embodiment of the present invention:
It is indicated if the wave beam indicating mode of the target terminal is changed to high-level signaling by the change information, passes through high level Signaling transmits and receives the beam information of wave beam to the target terminal；
It is indicated if the wave beam indicating mode of the target terminal is changed to Downlink Control Information by the change information, to institute It states target terminal and sends the second Downlink Control Information for being used to indicate the beam information for receiving wave beam.
Preferably, the transceiver 610 is also used in the above embodiment of the present invention:
After the effective time length of the beam information reaches, is sent to target terminal and be used to indicate reception wave beam The third Downlink Control Information of the effective time length of beam information and the beam information.
Preferably, the beam information for receiving wave beam is in default beam set in the above embodiment of the present invention Index value, alternatively, the beam information for receiving wave beam is the index value of transmission of configuration information；
Wherein, the default beam set includes multiple reception wave beams.
Preferably, the effective time length of the beam information is default effective time in the above embodiment of the present invention Index value in lengths sets；
Wherein, it is described preset effective time span set include multiple effective time length.
To sum up, in the above embodiment of the present invention, the wave beam indicating mode of terminal is informed by instruction information, in terminal Wave beam indicating mode send the first Downlink Control Information to terminal when being semi-static instruction, use in first Downlink Control Information The beam information of wave beam and the effective time length of the beam information are received in instruction, if then in the effective of the beam information The wave beam indicating mode of terminal does not change in time span, then base station no longer needs to transmit and receive by Downlink Control Information The beam information of wave beam avoids the waste of resource；Further, if in the effective time length of the beam information terminal Wave beam indicating mode changes, and base station can be sent terminal by high-level signaling and send change information, thus with less signaling The dynamic quick variation for realizing wave beam indicating means.
It should be noted that base station provided in an embodiment of the present invention is the base station for being able to carry out above-mentioned wave beam indicating means, Then all embodiments of above-mentioned wave beam indicating means are suitable for the base station, and can reach the same or similar beneficial effect.
As shown in fig. 7, the embodiment of the present invention also provides a kind of beam selection device, comprising:
First receiving module 71, for receiving the instruction information of base station transmission, the instruction information is used to indicate the end The wave beam indicating mode at end；
Second receiving module 72, for indicating that the wave beam indicating mode of the terminal is semi-static finger in the instruction information When showing, the effective time length for being used to indicate the beam information and the beam information that receive wave beam that base station is sent is received First Downlink Control Information；
Beam selection module 73, for being beam information according to the beam information in first Downlink Control Information Downlink data selection in effective time length receives wave beam.
Preferably, in the above embodiment of the present invention, described device further include:
Third receiving module passes through high-level signaling in the effective time length of the beam information, receiving base station The change information of the wave beam indicating mode of transmission；
Wherein, the change information be used for by the wave beam indicating mode of the terminal be changed to high-level signaling instruction or under Row control information instruction.
Preferably, in the above embodiment of the present invention, described device further include:
4th receiving module, if being used to the wave beam indicating mode of the terminal being changed to high level for the change information Signaling instruction receives the beam information for the reception wave beam that base station is sent by high-level signaling, and is to receive according to beam information Change the downlink data selection reception wave beam after information；
5th receiving module, if being used to the wave beam indicating mode of the terminal being changed to downlink for the change information Information instruction is controlled, the second Downlink Control Information of the beam information for being used to indicate reception wave beam that base station is sent, and root are received According to the downlink data selection reception wave beam that the beam information in second Downlink Control Information is after receiving change information.
Preferably, in the above embodiment of the present invention, described device further include:
6th receiving module, for receiving what base station was sent after the arrival of the effective time length of the beam information It is used to indicate the third Downlink Control Information of the effective time length of the beam information and the beam information that receive wave beam；
It is in the effective time length of the beam information according to the beam information in the third Downlink Control Information Downlink data selection receives wave beam.
Preferably, the beam information for receiving wave beam is in default beam set in the above embodiment of the present invention Index value, alternatively, the beam information for receiving wave beam is the index value of transmission of configuration information；
Wherein, presetting beam set includes multiple reception wave beams.
Preferably, the effective time length of the beam information is default effective time in the above embodiment of the present invention Index value in lengths sets；
Wherein, it is described preset effective time span set include multiple effective time length.
To sum up, in the above embodiment of the present invention, the wave beam indicating mode of terminal is informed by instruction information, in terminal Wave beam indicating mode send the first Downlink Control Information to terminal when being semi-static instruction, use in first Downlink Control Information The beam information of wave beam and the effective time length of the beam information are received in instruction, if then in the effective of the beam information The wave beam indicating mode of terminal does not change in time span, then base station no longer needs to transmit and receive by Downlink Control Information The beam information of wave beam avoids the waste of resource；Further, if in the effective time length of the beam information terminal Wave beam indicating mode changes, and base station can be sent terminal by high-level signaling and send change information, thus with less signaling The dynamic quick variation for realizing wave beam indicating means.
It should be noted that the beam selection device that the above embodiment of the present invention provides is to be able to carry out above-mentioned wave beam choosing The beam selection device of selection method, then all embodiments of above-mentioned beam selection method are suitable for the beam selection device, and The same or similar beneficial effect can be reached.
As shown in figure 8, the embodiment of the present invention also provides a kind of terminal, including processor 800, transceiver 810 and user Interface 820, the transceiver 810 is for executing following process:
The instruction information that base station is sent is received, the instruction information is used to indicate the wave beam indicating mode of the terminal；
When the instruction information indicates that the wave beam indicating mode of the terminal is semi-static instruction, receive what base station was sent It is used to indicate the first Downlink Control Information of the effective time length of the beam information and the beam information that receive wave beam；
The processor 800 is for executing following process:
It is the downlink in the effective time length of beam information according to the beam information in first Downlink Control Information Data selection receives wave beam.
Preferably, the transceiver 810 is also used in the above embodiment of the present invention:
In the effective time length of the beam information, the wave beam indicating mode that base station is sent by high-level signaling is received Change information；
Wherein, the change information be used for by the wave beam indicating mode of the terminal be changed to high-level signaling instruction or under Row control information instruction.
Preferably, the transceiver 810 is also used in the above embodiment of the present invention:
If the change information is used to for the wave beam indicating mode of the terminal to be changed to high-level signaling instruction, base station is received Pass through the beam information for the reception wave beam that high-level signaling is sent；The processor is also used to: being to receive more according to beam information Convert to the downlink data selection reception wave beam after breath；
If the change information is used to for the wave beam indicating mode of the terminal to be changed to Downlink Control Information instruction, receive What base station was sent is used to indicate the second Downlink Control Information for receiving the beam information of wave beam；The processor is also used to: according to Beam information in second Downlink Control Information is that the downlink data selection after receiving change information receives wave beam.
Preferably, the transceiver 810 is also used in the above embodiment of the present invention:
After the effective time length of the beam information reaches, receives being used to indicate for base station transmission and receive wave beam The third Downlink Control Information of the effective time length of beam information and the beam information；
The processor 800 is also used to: according to the beam information in the third Downlink Control Information, being believed for the wave beam Downlink data selection in the effective time length of breath receives wave beam.
Preferably, the beam information for receiving wave beam is in default beam set in the above embodiment of the present invention Index value, alternatively, the beam information for receiving wave beam is the index value of transmission of configuration information；
Wherein, presetting beam set includes multiple reception wave beams.
Preferably, the effective time length of the beam information is default effective time in the above embodiment of the present invention Index value in lengths sets；
Wherein, it is described preset effective time span set include multiple effective time length.
To sum up, in the above embodiment of the present invention, the wave beam indicating mode of terminal is informed by instruction information, in terminal Wave beam indicating mode send the first Downlink Control Information to terminal when being semi-static instruction, use in first Downlink Control Information The beam information of wave beam and the effective time length of the beam information are received in instruction, if then in the effective of the beam information The wave beam indicating mode of terminal does not change in time span, then base station no longer needs to transmit and receive by Downlink Control Information The beam information of wave beam avoids the waste of resource；Further, if in the effective time length of the beam information terminal Wave beam indicating mode changes, and base station can be sent terminal by high-level signaling and send change information, thus with less signaling The dynamic quick variation for realizing wave beam indicating means.
It should be noted that the terminal that the above embodiment of the present invention provides is able to carry out above-mentioned beam selection method Terminal, then all embodiments of above-mentioned beam selection method are suitable for the terminal, and can reach the same or similar beneficial Effect.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program, the program Each process in wave beam indicating means as described above or beam selection method embodiment, and energy are realized when being executed by processor Reach identical technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium, such as only Read memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic or disk etc..
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or implementation combining software and hardware aspects can be used in the application The form of example.Moreover, can be used can in the computer that one or more wherein includes computer usable program code by the application Read the form for the computer program product implemented on storage medium (including but not limited to magnetic disk storage and optical memory etc.).
The application is reference according to the method for the embodiment of the present application, the flow chart of equipment (system) and computer program product And/or block diagram describes.It should be understood that each process in flowchart and/or the block diagram can be realized by computer program instructions And/or the combination of the process and/or box in box and flowchart and/or the block diagram.It can provide these computer programs to refer to Enable the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to generate One machine so that by the instruction that the processor of computer or other programmable data processing devices executes generate for realizing The device for the function of being specified in one or more flows of the flowchart and/or one box or multiple boxes.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer readable storage medium that mode works, so that the instruction being stored in the computer readable storage medium generates packet The paper products of command device are included, which realizes in one side of one or more flows of the flowchart and/or block diagram The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing devices, so that calculating On machine or other programmable devices execute series of operation steps to generate computer implemented processing, thus computer or its The instruction that executes on his section's programming device is provided for realizing in one or more flows of the flowchart and/or one, block diagram The step of function of being specified in box or multiple boxes.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (27)

1. a kind of wave beam indicating means characterized by comprising
Instruction information is sent to target terminal, the instruction information is used to indicate the wave beam indicating mode of the target terminal；
When the instruction information indicates that the wave beam indicating mode of the target terminal is semi-static instruction, sent to target terminal It is used to indicate the first Downlink Control Information of the effective time length of the beam information and the beam information that receive wave beam.
2. the method according to claim 1, wherein the method also includes:
In the effective time length of the beam information, wave beam indicating mode is sent more to target terminal by high-level signaling Convert to breath；The change information is used to for the wave beam indicating mode of the target terminal to be changed to high-level signaling instruction or downlink Control information instruction.
3. according to the method described in claim 2, it is characterized in that, the method also includes:
It is indicated if the wave beam indicating mode of the target terminal is changed to high-level signaling by the change information, passes through high-level signaling The beam information of wave beam is transmitted and received to the target terminal；
It is indicated if the wave beam indicating mode of the target terminal is changed to Downlink Control Information by the change information, Xiang Suoshu mesh Mark terminal sends the second Downlink Control Information for being used to indicate the beam information for receiving wave beam.
4. the method according to claim 1, wherein the method also includes:
After the effective time length of the beam information reaches, is sent to target terminal and be used to indicate the wave beam for receiving wave beam The third Downlink Control Information of information and the effective time length of the beam information.
5. method according to claim 1-4, which is characterized in that the beam information for receiving wave beam is default Index value in beam set, alternatively, the beam information for receiving wave beam is the index value of transmission of configuration information；Wherein, institute Stating default beam set includes multiple reception wave beams.
6. method according to claim 1 or 2 or 4, which is characterized in that the effective time length of the beam information is pre- If the index value in effective time span set；
Wherein, it is described preset effective time span set include multiple effective time length.
7. a kind of beam selection method characterized by comprising
The instruction information that base station is sent is received, the instruction information is used to indicate the wave beam indicating mode of terminal；
When the instruction information indicates that the wave beam indicating mode of the terminal is semi-static instruction, being used for for base station transmission is received Indicate the first Downlink Control Information of the beam information of reception wave beam and the effective time length of the beam information；
It is the downlink data in the effective time length of beam information according to the beam information in first Downlink Control Information Selection receives wave beam.
8. the method according to the description of claim 7 is characterized in that the method also includes:
In the effective time length of the beam information, wave beam indicating mode that base station is sent by high-level signaling is received more Convert to breath；
Wherein, the change information is used to for the wave beam indicating mode of the terminal to be changed to high-level signaling instruction or downlink control Information instruction processed.
9. according to the method described in claim 8, it is characterized in that, the method also includes:
If the change information is used to for the wave beam indicating mode of the terminal to be changed to high-level signaling instruction, receives base station and pass through The beam information for the reception wave beam that high-level signaling is sent, and be the downlink data after receiving change information according to beam information Selection receives wave beam；
If the change information is used to for the wave beam indicating mode of the terminal to be changed to Downlink Control Information instruction, base station is received What is sent is used to indicate the second Downlink Control Information for receiving the beam information of wave beam, and according to second Downlink Control Information In beam information be receive change information after downlink data selection receive wave beam.
10. the method according to the description of claim 7 is characterized in that the method also includes:
After the effective time length of the beam information reaches, the wave beam for being used to indicate reception wave beam that base station is sent is received The third Downlink Control Information of information and the effective time length of the beam information；
It is the downlink in the effective time length of the beam information according to the beam information in the third Downlink Control Information Data selection receives wave beam.
11. according to the described in any item methods of claim 7-10, which is characterized in that the beam information for receiving wave beam is pre- If the index value in beam set, alternatively, the beam information for receiving wave beam is the index value of transmission of configuration information；
Wherein, presetting beam set includes multiple reception wave beams.
12. according to method described in claim 7 or 8 or 9, which is characterized in that the effective time length of the beam information is Preset the index value in effective time span set；
Wherein, it is described preset effective time span set include multiple effective time length.
13. a kind of wave beam instruction device characterized by comprising
First sending module, for sending instruction information to target terminal, the instruction information is used to indicate the target terminal Wave beam indicating mode；
Second sending module, for indicating that the wave beam indicating mode of the target terminal is semi-static instruction in the instruction information When, the of the effective time length for being used to indicate the beam information for receiving wave beam and the beam information is sent to target terminal One Downlink Control Information.
14. a kind of base station, including processor and transceiver, which is characterized in that the processor and the transceiver are for executing Following process:
The processor controls the transceiver and sends instruction information to target terminal, and the instruction information is used to indicate the mesh Mark the wave beam indicating mode of terminal；
When the instruction information indicates that the wave beam indicating mode of the target terminal is semi-static instruction, the transceiver is to mesh Mark terminal sends the first downlink for being used to indicate the effective time length of the beam information and the beam information that receive wave beam Control information.
15. base station according to claim 14, which is characterized in that the transceiver is also used to:
In the effective time length of the beam information, wave beam indicating mode is sent more to target terminal by high-level signaling Convert to breath；The change information is used to for the wave beam indicating mode of the target terminal to be changed to high-level signaling instruction or downlink Control information instruction.
16. base station according to claim 15, which is characterized in that the transceiver is also used to:
It is indicated if the wave beam indicating mode of the target terminal is changed to high-level signaling by the change information, passes through high-level signaling The beam information of wave beam is transmitted and received to the target terminal；
It is indicated if the wave beam indicating mode of the target terminal is changed to Downlink Control Information by the change information, Xiang Suoshu mesh Mark terminal sends the second Downlink Control Information for being used to indicate the beam information for receiving wave beam.
17. base station according to claim 14, which is characterized in that the transceiver is also used to:
After the effective time length of the beam information reaches, is sent to target terminal and be used to indicate the wave beam for receiving wave beam The third Downlink Control Information of information and the effective time length of the beam information.
18. the described in any item base stations 4-17 according to claim 1, which is characterized in that it is described receive wave beam beam information be Index value in default beam set, alternatively, the beam information for receiving wave beam is the index value of transmission of configuration information；
Wherein, the default beam set includes multiple reception wave beams.
19. base station described in 4 or 15 or 17 according to claim 1, which is characterized in that the effective time length of the beam information To preset the index value in effective time span set；
Wherein, it is described preset effective time span set include multiple effective time length.
20. a kind of beam selection device characterized by comprising
First receiving module, for receiving the instruction information of base station transmission, the wave beam that the instruction information is used to indicate terminal refers to Show mode；
Second receiving module, for it is described instruction information indicate the terminal wave beam indicating mode be semi-static instruction when, Receive the first of the effective time length for being used to indicate the beam information and the beam information that receive wave beam that base station is sent Downlink Control Information；
Beam selection module, for according to the beam information in first Downlink Control Information, be beam information it is effective when Between downlink data selection in length receive wave beam.
21. a kind of terminal, including processor and transceiver, which is characterized in that the transceiver is for executing following process:
The instruction information that base station is sent is received, the instruction information is used to indicate the wave beam indicating mode of terminal；
When the instruction information indicates that the wave beam indicating mode of the terminal is semi-static instruction, being used for for base station transmission is received Indicate the first Downlink Control Information of the beam information of reception wave beam and the effective time length of the beam information；
The processor is for executing following process:
It is the downlink data in the effective time length of beam information according to the beam information in first Downlink Control Information Selection receives wave beam.
22. terminal according to claim 21, which is characterized in that the transceiver is also used to:
In the effective time length of the beam information, wave beam indicating mode that base station is sent by high-level signaling is received more Convert to breath；
Wherein, the change information is used to for the wave beam indicating mode of the terminal to be changed to high-level signaling instruction or downlink control Information instruction processed.
23. terminal according to claim 22, which is characterized in that the transceiver is also used to:
If the change information is used to for the wave beam indicating mode of the terminal to be changed to high-level signaling instruction, receives base station and pass through The beam information for the reception wave beam that high-level signaling is sent；The processor is also used to: being to receive more to convert to according to beam information Downlink data selection after breath receives wave beam；
If the change information is used to for the wave beam indicating mode of the terminal to be changed to Downlink Control Information instruction, base station is received What is sent is used to indicate the second Downlink Control Information for receiving the beam information of wave beam；The processor is also used to: according to described Beam information in second Downlink Control Information is that the downlink data selection after receiving change information receives wave beam.
24. terminal according to claim 21, which is characterized in that the transceiver is also used to:
After the effective time length of the beam information reaches, the wave beam for being used to indicate reception wave beam that base station is sent is received The third Downlink Control Information of information and the effective time length of the beam information；
The processor is also used to: according to the beam information in the third Downlink Control Information, for having for the beam information The downlink data selection imitated in time span receives wave beam.
25. according to the described in any item terminals of claim 21-24, which is characterized in that it is described receive wave beam beam information be Index value in default beam set, alternatively, the beam information for receiving wave beam is the index value of transmission of configuration information；
Wherein, presetting beam set includes multiple reception wave beams.
26. according to terminal described in claim 21 or 22 or 24, which is characterized in that the effective time length of the beam information To preset the index value in effective time span set；
Wherein, it is described preset effective time span set include multiple effective time length.
27. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor The step in wave beam indicating means as claimed in any one of claims 1 to 6 is realized when execution；Alternatively,
It realizes when the program is executed by processor such as the step in the described in any item beam selection methods of claim 7-12.
CN201810234820.5A 2018-03-21 2018-03-21 Beam indication method, beam selection method, device, base station and terminal Active CN110300451B (en)

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