CN107872267A - A kind of method and device of wave beam tracking - Google Patents
A kind of method and device of wave beam tracking Download PDFInfo
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- CN107872267A CN107872267A CN201610862895.9A CN201610862895A CN107872267A CN 107872267 A CN107872267 A CN 107872267A CN 201610862895 A CN201610862895 A CN 201610862895A CN 107872267 A CN107872267 A CN 107872267A
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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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
- H04B7/0851—Joint weighting using training sequences or error signal
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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
- H04B7/022—Site diversity; Macro-diversity
- H04B7/026—Co-operative diversity, e.g. using fixed or mobile stations as relays
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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
- H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
-
- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
- H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
-
- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
-
- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of method and device of wave beam tracking.This method includes：By radio resource control RRC signaling, either default Downlink Control Information DCI format triggers the UE transmission uplink beam training reference signals or detection reference signal SRS for base station；The base station selects CoMP set corresponding to the UE according to the received signal power or the SINR；Each TRP of the base station in synchronization in the CoMP set reports received signal power or Signal to Interference plus Noise Ratio SINR corresponding to optimal reception wave beam, and one optimal T RP node of selection carries out data transmission with the UE.So as to give it is a kind of be applied to wave beam tracking process CoMP dynamic nodes selection transmission means, the optimal transmitting-receiving wave beam for realizing TRP dynamic renewal, TRP sides and UE sides in the dynamic renewals of CoMP collaboration sets in data transmission procedure, collaboration set tracks.
Description
Technical field
The present embodiments relate to the technical field of communication, more particularly to a kind of method and device of wave beam tracking.
Background technology
Because high band (more than 6GHz) has than more rich frequency spectrum resource and larger available bandwidth so that high-frequency communication
Have become a key technology in the 5th third-generation mobile communication.Meanwhile the wavelength of high frequency carrier is shorter carrier wavelength so that
Base station (BS) side and mobile terminal (UE) side can easily carry multiple antennas, utilize the higher array of large scale array antenna
Gain compensates the high path loss of high frequency signal transmission.The maximum feature of high frequency carrier combination large scale array antenna transmission is
Directional transmission, high speed data transfer is realized in less angular range using the narrow beam of high-gain.
Multipoint cooperative technology (Coordinated Multi-Point Transmission/Reception, CoMP) is
The key technology that LTE is introduced in the versions of Release 11, multiple transmission node cooperations are communicated with some UE,
Interference between multinode or multiple cell is converted into useful signal, has been obviously improved unique user and systematic function, especially
The significant increase performance of Cell Edge User.
In view of the limitation of the high-frequency communication distance in 5G networks, there can be substantial amounts of cell in 5G networks, in order to efficient
Coordinate the interference between multiple cell and systematic function, a CoMP technologies necessarily key technology in 5G.
One shortcoming of highly directive transmission is exactly that transceiver is more sensitive to transmitting-receiving beam direction, once transmitting-receiving ripple
Beam is not aligned, and will result in larger transmission loss.For high-frequency communication between UE movements, UE rotations or communication link
Physics block and can all cause wave beam misalignment, or even cause the interruption of communication link.Equally in CoMP scenes, multiple transmitting-receivings
Node (Transmitter/Receiver Point, TRP) can give some UE transmission data, different nodes and transmitting-receiving simultaneously
The physics that beam direction also can be between, UE rotations mobile by above-mentioned UE or communication link between node such as block at the shadow of behavior
Ring, now just need to be adjusted the wave beam of transmitting-receiving two-end by suitable wave beam tracking strategy, to realize high-gain high-speed
Rate data transfer.
The content of the invention
The purpose of the embodiment of the present invention is to propose a kind of method and device of wave beam tracking, it is intended to how solves in CoMP
Optimal beam tracking strategy when realizing multiple TRP in scene during joint transmission while data are transmitted to a UE.
To use following technical scheme up to this purpose, the embodiment of the present invention：
In a first aspect, a kind of method of wave beam tracking, methods described include：
After mobile terminal UE is completed to be initially accessed, base station is by radio resource control RRC signaling or presets descending control
Information DCI format processed triggers the UE and sends uplink beam training reference signal or detection reference signal SRS, described to cause
Configuration parameter omnidirectionals of the UE in the RRC signaling or the default DCI format repeats to send the uplink beam training
Reference signal or detection reference signal SRS；
Transmitting-receiving node TRP receives the beam reference signal of the UE transmissions according to the wave beam of default different directions respectively
Or the SRS, and training book TRP is to the optimal reception wave beam of the UE；Calculate, storage and to the base station report it is described most
The excellent received signal power or Signal to Interference plus Noise Ratio SINR for receiving wave beam；
The base station selects CoMP set corresponding to the UE, institute according to the received signal power or the SINR
Stating CoMP set includes at least one TRP；
When the base station using dynamic node selection DPS CoMP transmission mode when, the base station synchronization according to
Each TRP in the CoMP set reports received signal power or Signal to Interference plus Noise Ratio SINR corresponding to optimal reception wave beam, selection
One optimal T RP node carries out data transmission with the UE.
Preferably, the configuration parameter includes form, sequence identifier information and the repetition of the wave beam training reference signal
Number.
Preferably, the configuration parameter includes cycle or the transmission institute that the UE sends the wave beam training reference signal
SRS cycle is stated, TRP antenna number of the Cycle Length in base station scene or the CoMP set determines.
Preferably, after described one optimal T RP node of selection carries out data transmission with the UE, in addition to：
The optimal T RP nodes insert one section of downlink wave beam training reference signal sequence before the data transfer, often
One reference signal sequence is transmitted using optimal transmitting-receiving wave beam corresponding to the optimal T RP.
Preferably, the downlink wave beam training reference signal sequence include be used for wave beam tracking reference signal sequence or
It is demodulated reference signal DMRS sequences, the DMRS sequences are used to completing the wave beam training that the UE receives and down channel
Estimation.
Preferably, methods described also includes：
When the TRP detects that the SINR of present transmission link or received signal power are less than predetermined threshold value, then institute
State TRP send the RRC signaling either the default DCI format trigger the UE send the wave beam training reference signal or
The SRS carries out the wave beam tracking process in preset range.
Preferably, methods described also includes：
When the UE detects that the SINR of present transmission link or received signal power are less than the predetermined threshold value, then
The base station receives the default ascending control information UCI formatted requests wave beam that the UE is sent and trained, described in the base station transmission
RRC signaling or the default DCI format confirm to initiate wave beam tracking process to the UE, to cause the UE according to
Configuration parameter omnidirectional in RRC signaling or the default DCI format repeats to send the wave beam training reference signal or described
SRS carries out wave beam tracking process；
The TRP receives the wave beam training reference signal or the institute that the UE is sent with the wave beam being differently directed respectively
State SRS and carry out optimal reception wave beam tracking, after completing wave beam tracking process, optimal reception wave beam after TRP renewal and
The UE carries out data transmission.
Second aspect, a kind of method of wave beam tracking, methods described include：
After mobile terminal UE is completed to be initially accessed, the UE receives the radio resource control RRC letter that the base station is sent
Order or default Downlink Control Information DCI format, and the configuration ginseng in the RRC signaling or the default DCI format
Number omnidirectional repeats to send the wave beam training reference signal or the SRS；To cause transmitting-receiving node TRP according to default not Tongfang
To wave beam receive the beam reference signal or the SRS that the UE is sent respectively, and training book TRP is to the UE's
Optimal reception wave beam；Calculate, store and report the optimal received signal power for receiving wave beam to the base station or believe dry make an uproar
Than SINR, the base station selects CoMP set corresponding to the UE according to the received signal power or the SINR, described
CoMP set includes at least one TRP；
When CoMP transmission mode of the base station using dynamic node selection DPS, the UE is received using omni-beam
The data that the optimal T RP nodes that the base station selects from CoMP set are sent.
Preferably, the optimal T RP nodes hair that the UE is selected using the omni-beam reception base station from CoMP set
The data sent, including：
The downlink wave beam that the UE receives the decode the optimal T RP nodes transmission according to the wave beam being differently directed trains ginseng
Examine signal sequence；
The UE according to the downlink wave beam training reference signal sequence train the UE to the optimal T RP nodes most
Excellent reception wave beam, and carry out data receiver with the optimal reception wave beam.
Preferably, methods described also includes：
When the TRP detects that the SINR of present transmission link or received signal power are less than predetermined threshold value, then institute
State UE and receive the RRC signaling or the default DCI format that the TRP is sent, and trained according to the wave beam with reference to letter
Number or the SRS carry out preset range in wave beam tracking process.
Preferably, methods described also includes：
When the UE detects that the SINR of present transmission link or received signal power are less than the predetermined threshold value, then
The UE sends default ascending control information UCI formatted requests wave beam training, with cause the base station send the RRC signaling or
DCI format is preset described in person to confirm to initiate wave beam tracking process to the UE；
Configuration parameter omnidirectionals of the UE in the RRC signaling or the default DCI format is repeated described in transmission
Wave beam training reference signal or the SRS carry out wave beam tracking process, to cause the TRP to be connect respectively with the wave beam being differently directed
Receive the wave beam training reference signal that the UE sends or the SRS carry out optimal reception wave beam tracking, complete wave beam with
After track process, the optimal reception wave beam after the TRP renewals carries out data transmission with the UE.
The third aspect, a kind of device of wave beam tracking, described device include：
Trigger module, for after mobile terminal UE is completed to be initially accessed, passing through radio resource control RRC signaling or pre-
If Downlink Control Information DCI format triggers the UE and sends uplink beam training reference signal or detection reference signal SRS, with
So that configuration parameter omnidirectionals of the UE in the RRC signaling or the default DCI format repeat to send it is described up
Wave beam training reference signal or detection reference signal SRS；
First receiving module, for receiving the wave beam ginseng of the UE transmissions respectively according to the wave beam of default different directions
Signal or the SRS are examined, and training book TRP is to the optimal reception wave beam of the UE；Calculate, store and reported to the base station
The optimal received signal power or Signal to Interference plus Noise Ratio SINR for receiving wave beam；
First choice module, for according to the received signal power or the SINR, selecting corresponding to the UE
CoMP set, the CoMP set include at least one TRP；
Second selecting module, for when the base station using dynamic node selection DPS CoMP transmission mode when, the base
The each TRP in synchronization in the CoMP set that stands reports received signal power or letter corresponding to optimal reception wave beam
It is dry to make an uproar than SINR, select an optimal T RP node to carry out data transmission with the UE.
Preferably, the configuration parameter includes form, sequence identifier information and the repetition of the wave beam training reference signal
Number.
Preferably, the configuration parameter includes cycle or the transmission institute that the UE sends the wave beam training reference signal
SRS cycle is stated, TRP antenna number of the Cycle Length in base station scene or the CoMP set determines.
Preferably, described device also includes：
Module is inserted, for carrying out data transmission it with the UE in one optimal T RP node of selection, is transmitting the number
According to one section of downlink wave beam training reference signal sequence is inserted before, each reference signal sequence uses RP pairs of the optimal T
The optimal transmitting-receiving wave beam answered is transmitted.
Preferably, the downlink wave beam training reference signal sequence include be used for wave beam tracking reference signal sequence or
It is demodulated reference signal DMRS sequences, the DMRS sequences are used to completing the wave beam training that the UE receives and down channel
Estimation.
Preferably, described device also includes：
First sending module, for detecting that the SINR of present transmission link or received signal power are low as the TRP
When predetermined threshold value, then send the RRC signaling or the default DCI format triggers the UE and sends the wave beam training ginseng
Examine the wave beam that signal or the SRS are carried out in preset range and track process.
Preferably, described device also includes：
Second receiving module, for detecting that the SINR of present transmission link or received signal power are less than as the UE
During the predetermined threshold value, then the default ascending control information UCI formatted requests wave beam training that the UE is sent is received；
Second sending module, confirm initiation ripple to the UE for sending the RRC signaling or the default DCI format
Beam tracks process, to cause configuration parameter omnidirectionals of the UE in the RRC signaling or the default DCI format to repeat
Send the wave beam training reference signal or the SRS carries out wave beam tracking process；
Transport module, for receiving the wave beam training reference signal of the UE transmissions respectively with the wave beam being differently directed
Or the SRS carries out optimal reception wave beam tracking, after completing wave beam tracking process, with the optimal reception wave beam after renewal and institute
UE is stated to carry out data transmission.
Fourth aspect, a kind of device of wave beam tracking, described device include：
First receiving module, for after mobile terminal UE is completed to be initially accessed, receiving the wireless money that the base station is sent
Source controls RRC signaling or default Downlink Control Information DCI format；
First sending module, for the configuration parameter omnidirectional weight in the RRC signaling or the default DCI format
The wave beam training reference signal or the SRS are sent in recurrence, to cause wave beams of the transmitting-receiving node TRP according to default different directions
The beam reference signal or the SRS that the UE is sent, and optimal receptions of the training book TRP to the UE are received respectively
Wave beam；Calculate, store and report the optimal received signal power or Signal to Interference plus Noise Ratio SINR for receiving wave beam, institute to the base station
Base station is stated according to the received signal power or the SINR, selects CoMP set corresponding to the UE, the CoMP set
Including at least one TRP；
Second receiving module, for when the base station using dynamic node selection DPS CoMP transmission mode when, using complete
The data for the optimal T RP nodes transmission that the base station selects from CoMP set are received to wave beam.
Preferably, second receiving module, is specifically used for：
Wave beam according to being differently directed receives the decode the downlink wave beam training reference signal that the optimal T RP nodes are sent
Sequence；
Optimal receptions of the UE to the optimal T RP nodes is trained according to the downlink wave beam training reference signal sequence
Wave beam, and carry out data receiver with the optimal reception wave beam.
Preferably, described device also includes：
3rd receiving module, for detecting that the SINR of present transmission link or received signal power are low as the TRP
When predetermined threshold value, then the RRC signaling or the default DCI format that the TRP is sent are received, and according to the wave beam
Training reference signal or the SRS carry out the wave beam tracking process in preset range.
Preferably, described device also includes：
Second sending module, for detecting that the SINR of present transmission link or received signal power are less than as the UE
During the predetermined threshold value, then default ascending control information UCI formatted requests wave beam training is sent, to cause the base station to send institute
RRC signaling or the default DCI format is stated to confirm to initiate wave beam tracking process to the UE；
3rd sending module, for the configuration parameter omnidirectional weight in the RRC signaling or the default DCI format
Recurrence send the wave beam training reference signal or the SRS to carry out wave beam tracking process, to cause the TRP to use what is be differently directed
Wave beam receives the wave beam training reference signal or the optimal reception wave beam tracking of SRS progress that the UE is sent respectively,
After completing wave beam tracking process, the optimal reception wave beam after the TRP renewals carries out data transmission with the UE.
The method and device of a kind of wave beam tracking provided in an embodiment of the present invention, when mobile terminal UE is completed to be initially accessed
Afterwards, base station triggers the UE by radio resource control RRC signaling or default Downlink Control Information DCI format and sends upgoing wave
Beam training reference signal or detection reference signal SRS；The base station is according to the received signal power or the SINR, choosing
Select CoMP set corresponding to the UE；When CoMP transmission mode of the base station using dynamic node selection DPS, the base station
Report received signal power or letter corresponding to optimal reception wave beam dry in each TRP of the synchronization in the CoMP set
Make an uproar than SINR, select an optimal T RP node to carry out data transmission with the UE.It is a kind of suitable for CoMP dynamics so as to give
Wave beam tracking process in node selection transmission means, realizes dynamic renewal, the cooperation of CoMP collaboration sets in data transmission procedure
Concentrate TRP dynamic renewal, the optimal transmitting-receiving wave beam tracking of TRP sides and UE sides.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of the method for wave beam tracking provided in an embodiment of the present invention；
Fig. 2 is the schematic flow sheet of the method for another wave beam tracking provided in an embodiment of the present invention；
Fig. 3 is a kind of downstream data format schematic diagram provided in an embodiment of the present invention；
Fig. 4 is the schematic flow sheet of the method for another wave beam tracking provided in an embodiment of the present invention；
Fig. 5 is the schematic flow sheet of the method for another wave beam tracking provided in an embodiment of the present invention；
Fig. 6 is the schematic flow sheet of the method for another wave beam tracking provided in an embodiment of the present invention；
Fig. 7 is the schematic flow sheet of the method for another wave beam tracking provided in an embodiment of the present invention；
Fig. 8 is the schematic flow sheet of the method for another wave beam tracking provided in an embodiment of the present invention；
Fig. 9 is a kind of high-level schematic functional block diagram of the device of wave beam tracking provided in an embodiment of the present invention；
Figure 10 is the high-level schematic functional block diagram of the device of another wave beam tracking provided in an embodiment of the present invention.
Embodiment
The embodiment of the present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this
The specific embodiment of place description is used only for explaining the embodiment of the present invention, rather than the restriction to the embodiment of the present invention.In addition also
It should be noted that for the ease of describing, the part related to the embodiment of the present invention rather than entire infrastructure are illustrate only in accompanying drawing.
With reference to figure 1, Fig. 1 is a kind of schematic flow sheet of the method for wave beam tracking provided in an embodiment of the present invention.
As shown in figure 1, the method for the wave beam tracking includes：
Step 101, after mobile terminal (User Equipment, UE) is completed to be initially accessed, base station passes through Radio Resource
Control (Radio Resource Control, RRC) signaling or default Downlink Control Information (Downlink Control
Information, DCI) form triggers the UE and sends uplink beam training reference signal or detection reference signal
(Sounding Reference Signal, SRS), to cause the UE according to the RRC signaling or the default DCI lattice
Configuration parameter omnidirectional in formula repeats to send the uplink beam training reference signal or detection reference signal SRS；
Wherein, the configuration parameter includes form, sequence identifier information and the repetition time of the wave beam training reference signal
Number.
Wherein, the configuration parameter is included described in cycle or the transmission of the UE transmissions wave beam training reference signal
SRS cycle, TRP antenna number of the Cycle Length in base station scene or the CoMP set determine.
Step 102, transmitting-receiving node (Transmitter/Receiver Point, TRP) is according to the ripple for presetting different directions
Beam receives the beam reference signal or the SRS that the UE is sent respectively, and training book TRP connects to the optimal of the UE
Receive wave beam；Calculate, store and report the optimal received signal power or Signal to Interference plus Noise Ratio for receiving wave beam to the base station
(Signal Interference Noise Ratio, SINR)；
Step 103, the base station selects CoMP corresponding to the UE according to the received signal power or the SINR
Set, the CoMP set include at least one TRP；
Wherein, network side is configured with specific CoMP set for target UE, while each TRP that CoMP is concentrated has been instructed
The optimal reception wave beam for target UE is perfected.For high band channel, when the angle diffusion of channel is smaller, or TDD is passed
When defeated, up-downgoing channel meets space reciprocity, and now most having for TRP sides receives beam direction and optimal transmission wave beam side
To being consistent, therefore the optimal wave beam that receives in the TRP sides trained in said process is exactly its optimal transmission wave beam.
Step 104, when the base station is using the CoMP of dynamic node selection (Dynamic Point Selection, DPS)
During transmission means, each TRP of the base station in synchronization in the CoMP set reports optimal reception wave beam corresponding
Received signal power or Signal to Interference plus Noise Ratio SINR, select an optimal T RP node carry out data transmission with the UE.
A kind of method of wave beam tracking provided in an embodiment of the present invention, after mobile terminal UE is completed to be initially accessed, base station
The UE is triggered by radio resource control RRC signaling or default Downlink Control Information DCI format and sends uplink beam training
Reference signal or detection reference signal SRS；The base station is according to the received signal power or the SINR, described in selection
CoMP set corresponding to UE；When CoMP transmission mode of the base station using dynamic node selection DPS, the base station is same
Each TRP of the moment in the CoMP set reports received signal power or Signal to Interference plus Noise Ratio corresponding to optimal reception wave beam
SINR, an optimal T RP node is selected to carry out data transmission with the UE.It is applied to CoMP dynamic nodes so as to give one kind
Wave beam tracking process in transmission means is selected, the dynamic for realizing CoMP collaboration sets in data transmission procedure updates, in collaboration set
TRP dynamic renewal, the optimal transmitting-receiving wave beam tracking of TRP sides and UE sides.
With reference to figure 2, Fig. 2 is the schematic flow sheet of the method for another wave beam tracking provided in an embodiment of the present invention.
As shown in Fig. 2 the method for the wave beam tracking includes：
Step 201, after mobile terminal UE is completed to be initially accessed, base station passes through radio resource control RRC signaling or pre-
If Downlink Control Information DCI format triggers the UE and sends uplink beam training reference signal or detection reference signal SRS, with
So that configuration parameter omnidirectionals of the UE in the RRC signaling or the default DCI format repeat to send it is described up
Wave beam training reference signal or detection reference signal SRS；
Step 202, transmitting-receiving node TRP receives the wave beam of the UE transmissions according to the wave beam of default different directions respectively
Reference signal or the SRS, and training book TRP is to the optimal reception wave beam of the UE；Calculate, storage and on the base station
Report the optimal received signal power or Signal to Interference plus Noise Ratio SINR for receiving wave beam；
Step 203, the base station selects CoMP corresponding to the UE according to the received signal power or the SINR
Set, the CoMP set include at least one TRP；
Step 204, when CoMP transmission mode of the base station using dynamic node selection DPS, the base station is same
Each TRP of the moment in the CoMP set reports received signal power or Signal to Interference plus Noise Ratio corresponding to optimal reception wave beam
SINR, an optimal T RP node is selected to carry out data transmission with the UE；
Step 205, the optimal T RP nodes insert one section of downlink wave beam training reference signal before the data transfer
Sequence, each reference signal sequence are transmitted using optimal transmitting-receiving wave beam corresponding to the optimal T RP.
Wherein, the downlink wave beam training reference signal sequence is including being used for the reference signal sequence of wave beam tracking either
Demodulated reference signal DMRS sequences, the DMRS sequences are used to complete the wave beam training of the UE receptions and estimating for down channel
Meter.
Specifically, with reference to figure 3, Fig. 3 is a kind of downstream data format schematic diagram provided in an embodiment of the present invention.
Current optimal T RP sends downlink data according to the data packet format shown in Fig. 3, i.e., one is inserted before useful data
Section downlink wave beam training reference signal sequence.Each reference signal sequence is passed using the optimal transmitting-receiving wave beam of the TRP
Defeated, specific reference signal can be exclusively used in the reference signal sequence either demodulated reference signal (De- of wave beam tracking
Modulation Reference Signal, DMRS) DMRS sequences, UE sides received wave can not only be completed using DMRS sequences
Shu Xunlian, while down channel estimation is can also be used to, particular sequence configuration parameter can be referred to using specific DCI format
Show.
With reference to figure 4, Fig. 4 is the schematic flow sheet of the method for another wave beam tracking provided in an embodiment of the present invention.
As shown in figure 4, the method for the wave beam tracking includes：
Step 401, after mobile terminal UE is completed to be initially accessed, base station passes through radio resource control RRC signaling or pre-
If Downlink Control Information DCI format triggers the UE and sends uplink beam training reference signal or detection reference signal SRS, with
So that configuration parameter omnidirectionals of the UE in the RRC signaling or the default DCI format repeat to send it is described up
Wave beam training reference signal or detection reference signal SRS；
Step 402, transmitting-receiving node TRP receives the wave beam of the UE transmissions according to the wave beam of default different directions respectively
Reference signal or the SRS, and training book TRP is to the optimal reception wave beam of the UE；Calculate, storage and on the base station
Report the optimal received signal power or Signal to Interference plus Noise Ratio SINR for receiving wave beam；
Step 403, the base station selects CoMP corresponding to the UE according to the received signal power or the SINR
Set, the CoMP set include at least one TRP；
Step 404, when CoMP transmission mode of the base station using dynamic node selection DPS, the base station is same
Each TRP of the moment in the CoMP set reports received signal power or Signal to Interference plus Noise Ratio corresponding to optimal reception wave beam
SINR, an optimal T RP node is selected to carry out data transmission with the UE；
Step 405, the optimal T RP nodes insert one section of downlink wave beam training reference signal before the data transfer
Sequence, each reference signal sequence are transmitted using optimal transmitting-receiving wave beam corresponding to the optimal T RP.
Wherein, the downlink wave beam training reference signal sequence is including being used for the reference signal sequence of wave beam tracking either
Demodulated reference signal DMRS sequences, the DMRS sequences are used to complete the wave beam training of the UE receptions and estimating for down channel
Meter.
Step 406, when the TRP detects that the SINR of present transmission link or received signal power are less than predetermined threshold value
When, then the TRP sends the RRC signaling or the default DCI format triggers the UE and sends the wave beam training reference
Signal or the SRS carry out the wave beam tracking process in preset range.
With reference to figure 5, Fig. 5 is the schematic flow sheet of the method for another wave beam tracking provided in an embodiment of the present invention.
As shown in figure 5, the method for the wave beam tracking includes：
Step 501, after mobile terminal UE is completed to be initially accessed, base station passes through radio resource control RRC signaling or pre-
If Downlink Control Information DCI format triggers the UE and sends uplink beam training reference signal or detection reference signal SRS, with
So that configuration parameter omnidirectionals of the UE in the RRC signaling or the default DCI format repeat to send it is described up
Wave beam training reference signal or detection reference signal SRS；
Step 502, transmitting-receiving node TRP receives the wave beam of the UE transmissions according to the wave beam of default different directions respectively
Reference signal or the SRS, and training book TRP is to the optimal reception wave beam of the UE；Calculate, storage and on the base station
Report the optimal received signal power or Signal to Interference plus Noise Ratio SINR for receiving wave beam；
Step 503, the base station selects CoMP corresponding to the UE according to the received signal power or the SINR
Set, the CoMP set include at least one TRP；
Step 504, when CoMP transmission mode of the base station using dynamic node selection DPS, the base station is same
Each TRP of the moment in the CoMP set reports received signal power or Signal to Interference plus Noise Ratio corresponding to optimal reception wave beam
SINR, an optimal T RP node is selected to carry out data transmission with the UE；
Step 505, the optimal T RP nodes insert one section of downlink wave beam training reference signal before the data transfer
Sequence, each reference signal sequence are transmitted using optimal transmitting-receiving wave beam corresponding to the optimal T RP；
Step 506, when the UE detects that the SINR of present transmission link or received signal power are default less than described
During threshold value, then the base station receives the default ascending control information UCI formatted requests wave beam training that the UE is sent, the base station
Send the RRC signaling or the default DCI format to confirm to initiate wave beam tracking process to the UE, to cause the UE roots
Repeat to send the wave beam training reference signal according to the configuration parameter omnidirectional in the RRC signaling or the default DCI format
Or the SRS carries out wave beam tracking process；
Step 507, the TRP receives the wave beam training of the UE transmissions with reference to letter respectively with the wave beam being differently directed
Number or the SRS carry out optimal reception wave beam tracking, after completing wave beam tracking process, the TRP update after optimal connect
Wave beam is received with the UE to carry out data transmission.
With reference to figure 6, Fig. 6 is the schematic flow sheet of the method for another wave beam tracking provided in an embodiment of the present invention.
As shown in fig. 6, the method for the wave beam tracking includes：
Step 601, after mobile terminal UE is completed to be initially accessed, the UE receives the Radio Resource control that the base station is sent
RRC signaling processed or default Downlink Control Information DCI format, and according in the RRC signaling or the default DCI format
Configuration parameter omnidirectional repeats to send the wave beam training reference signal or the SRS；To cause transmitting-receiving node TRP according to default
The wave beam of different directions receives the beam reference signal or the SRS that the UE is sent respectively, and training book TRP is to institute
State UE optimal reception wave beam；Calculate, storage and to the base station report it is described it is optimal receive wave beam received signal power or
Signal to Interference plus Noise Ratio SINR, the base station select CoMP collection corresponding to the UE according to the received signal power or the SINR
Close, the CoMP set includes at least one TRP；
Step 602, when CoMP transmission mode of the base station using dynamic node selection DPS, the UE uses omnidirectional
Wave beam receives the data that the optimal T RP nodes that the base station selects from CoMP set are sent.
Preferably, the optimal T RP nodes hair that the UE is selected using the omni-beam reception base station from CoMP set
The data sent, including：
The downlink wave beam that the UE receives the decode the optimal T RP nodes transmission according to the wave beam being differently directed trains ginseng
Examine signal sequence；
The UE according to the downlink wave beam training reference signal sequence train the UE to the optimal T RP nodes most
Excellent reception wave beam, and carry out data receiver with the optimal reception wave beam.
A kind of method of wave beam tracking provided in an embodiment of the present invention, after mobile terminal UE is completed to be initially accessed, base station
The UE is triggered by radio resource control RRC signaling or default Downlink Control Information DCI format and sends uplink beam training
Reference signal or detection reference signal SRS；The base station is according to the received signal power or the SINR, described in selection
CoMP set corresponding to UE；When CoMP transmission mode of the base station using dynamic node selection DPS, the base station is same
Each TRP of the moment in the CoMP set reports received signal power or Signal to Interference plus Noise Ratio corresponding to optimal reception wave beam
SINR, an optimal T RP node is selected to carry out data transmission with the UE.It is applied to CoMP dynamic nodes so as to give one kind
Wave beam tracking process in transmission means is selected, the dynamic for realizing CoMP collaboration sets in data transmission procedure updates, in collaboration set
TRP dynamic renewal, the optimal transmitting-receiving wave beam tracking of TRP sides and UE sides.
With reference to figure 7, Fig. 7 is the schematic flow sheet of the method for another wave beam tracking provided in an embodiment of the present invention.
As shown in fig. 7, the method for the wave beam tracking includes：
Step 701, after mobile terminal UE is completed to be initially accessed, the UE receives the Radio Resource control that the base station is sent
RRC signaling processed or default Downlink Control Information DCI format, and according in the RRC signaling or the default DCI format
Configuration parameter omnidirectional repeats to send the wave beam training reference signal or the SRS；To cause transmitting-receiving node TRP according to default
The wave beam of different directions receives the beam reference signal or the SRS that the UE is sent respectively, and training book TRP is to institute
State UE optimal reception wave beam；Calculate, storage and to the base station report it is described it is optimal receive wave beam received signal power or
Signal to Interference plus Noise Ratio SINR, the base station select CoMP collection corresponding to the UE according to the received signal power or the SINR
Close, the CoMP set includes at least one TRP；
Step 702, when CoMP transmission mode of the base station using dynamic node selection DPS, the UE uses omnidirectional
Wave beam receives the data that the optimal T RP nodes that the base station selects from CoMP set are sent；
Step 703, when the TRP detects that the SINR of present transmission link or received signal power are less than predetermined threshold value
When, then the UE receives the RRC signaling or the default DCI format that the TRP is sent, and is trained according to the wave beam
Reference signal or the SRS carry out the wave beam tracking process in preset range.
With reference to figure 8, Fig. 8 is the schematic flow sheet of the method for another wave beam tracking provided in an embodiment of the present invention.
As shown in figure 8, the method for the wave beam tracking includes：
Step 801, after mobile terminal UE is completed to be initially accessed, the UE receives the Radio Resource control that the base station is sent
RRC signaling processed or default Downlink Control Information DCI format, and according in the RRC signaling or the default DCI format
Configuration parameter omnidirectional repeats to send the wave beam training reference signal or the SRS；To cause transmitting-receiving node TRP according to default
The wave beam of different directions receives the beam reference signal or the SRS that the UE is sent respectively, and training book TRP is to institute
State UE optimal reception wave beam；Calculate, storage and to the base station report it is described it is optimal receive wave beam received signal power or
Signal to Interference plus Noise Ratio SINR, the base station select CoMP collection corresponding to the UE according to the received signal power or the SINR
Close, the CoMP set includes at least one TRP；
Step 802, when CoMP transmission mode of the base station using dynamic node selection DPS, the UE uses omnidirectional
Wave beam receives the data that the optimal T RP nodes that the base station selects from CoMP set are sent；
Step 803, when the UE detects that the SINR of present transmission link or received signal power are default less than described
During threshold value, then the UE sends default ascending control information UCI formatted requests wave beam training, to cause described in the base station transmission
RRC signaling or the default DCI format confirm to initiate wave beam tracking process to the UE；
Step 804, configuration parameter omnidirectionals of the UE in the RRC signaling or the default DCI format repeats
Send the wave beam training reference signal or the SRS carries out wave beam tracking process, to cause the TRP ripples being differently directed
Beam receives the wave beam training reference signal or the optimal reception wave beam tracking of SRS progress that the UE is sent respectively, complete
Into after wave beam tracking process, the optimal reception wave beam after the TRP renewals carries out data transmission with the UE.
With reference to figure 9, Fig. 9 is a kind of high-level schematic functional block diagram of the device of wave beam tracking provided in an embodiment of the present invention.
As shown in figure 9, described device includes：
Trigger module 901, for after mobile terminal UE is completed to be initially accessed, by radio resource control RRC signaling or
Person presets Downlink Control Information DCI format and triggers the UE transmission uplink beam training reference signals or detection reference signal
SRS, to cause configuration parameter omnidirectionals of the UE in the RRC signaling or the default DCI format to repeat to send institute
State uplink beam training reference signal or detection reference signal SRS；
First receiving module 902, for receiving the ripple of the UE transmissions respectively according to the wave beam of default different directions
Beam reference signal or the SRS, and training book TRP is to the optimal reception wave beam of the UE；Calculate, storage and to the base station
Report the optimal received signal power or Signal to Interference plus Noise Ratio SINR for receiving wave beam；
First choice module 903, for according to the received signal power or the SINR, selecting corresponding to the UE
CoMP set, the CoMP set include at least one TRP；
Second selecting module 904, for when the base station using dynamic node selection DPS CoMP transmission mode when, institute
State each TRP of the base station in synchronization in the CoMP set and report received signal power corresponding to optimal reception wave beam
Or Signal to Interference plus Noise Ratio SINR, select an optimal T RP node to carry out data transmission with the UE.
Preferably, the configuration parameter includes form, sequence identifier information and the repetition of the wave beam training reference signal
Number.
Preferably, the configuration parameter includes cycle or the transmission institute that the UE sends the wave beam training reference signal
SRS cycle is stated, TRP antenna number of the Cycle Length in base station scene or the CoMP set determines.
Preferably, described device also includes：
Module is inserted, for carrying out data transmission it with the UE in one optimal T RP node of selection, is transmitting the number
According to one section of downlink wave beam training reference signal sequence is inserted before, each reference signal sequence uses RP pairs of the optimal T
The optimal transmitting-receiving wave beam answered is transmitted.
Preferably, the downlink wave beam training reference signal sequence include be used for wave beam tracking reference signal sequence or
It is demodulated reference signal DMRS sequences, the DMRS sequences are used to completing the wave beam training that the UE receives and down channel
Estimation.
Preferably, described device also includes：
First sending module, for detecting that the SINR of present transmission link or received signal power are low as the TRP
When predetermined threshold value, then send the RRC signaling or the default DCI format triggers the UE and sends the wave beam training ginseng
Examine the wave beam that signal or the SRS are carried out in preset range and track process.
Preferably, described device also includes：
Second receiving module, for detecting that the SINR of present transmission link or received signal power are less than as the UE
During the predetermined threshold value, then the default ascending control information UCI formatted requests wave beam training that the UE is sent is received；
Second sending module, confirm initiation ripple to the UE for sending the RRC signaling or the default DCI format
Beam tracks process, to cause configuration parameter omnidirectionals of the UE in the RRC signaling or the default DCI format to repeat
Send the wave beam training reference signal or the SRS carries out wave beam tracking process；
Transport module, for receiving the wave beam training reference signal of the UE transmissions respectively with the wave beam being differently directed
Or the SRS carries out optimal reception wave beam tracking, after completing wave beam tracking process, with the optimal reception wave beam after renewal and institute
UE is stated to carry out data transmission.
A kind of device of wave beam tracking provided in an embodiment of the present invention, after mobile terminal UE is completed to be initially accessed, base station
The UE is triggered by radio resource control RRC signaling or default Downlink Control Information DCI format and sends uplink beam training
Reference signal or detection reference signal SRS；The base station is according to the received signal power or the SINR, described in selection
CoMP set corresponding to UE；When CoMP transmission mode of the base station using dynamic node selection DPS, the base station is same
Each TRP of the moment in the CoMP set reports received signal power or Signal to Interference plus Noise Ratio corresponding to optimal reception wave beam
SINR, an optimal T RP node is selected to carry out data transmission with the UE.It is applied to CoMP dynamic nodes so as to give one kind
Wave beam tracking process in transmission means is selected, the dynamic for realizing CoMP collaboration sets in data transmission procedure updates, in collaboration set
TRP dynamic renewal, the optimal transmitting-receiving wave beam tracking of TRP sides and UE sides.
With reference to figure 10, Figure 10 is the functional module signal of the device of another wave beam tracking provided in an embodiment of the present invention
Figure.
As shown in Figure 10, described device includes：
First receiving module 1001, for after mobile terminal UE is completed to be initially accessed, receiving the nothing that the base station is sent
Line resources control RRC signaling or default Downlink Control Information DCI format；
First sending module 1002 is complete for the configuration parameter in the RRC signaling or the default DCI format
The wave beam training reference signal or the SRS are sent to repetition, to cause transmitting-receiving node TRP according to default different directions
Wave beam receives the beam reference signal or the SRS that the UE is sent respectively, and training book TRP is to the optimal of the UE
Receive wave beam；Calculate, store and report the optimal received signal power or Signal to Interference plus Noise Ratio for receiving wave beam to the base station
SINR, the base station selects CoMP set corresponding to the UE according to the received signal power or the SINR, described
CoMP set includes at least one TRP；
Second receiving module 1003, for when CoMP transmission mode of the base station using dynamic node selection DPS, adopting
The data for the optimal T RP nodes transmission that the base station selects from CoMP set are received with omni-beam.
Preferably, second receiving module 1003, is specifically used for：
Wave beam according to being differently directed receives the decode the downlink wave beam training reference signal that the optimal T RP nodes are sent
Sequence；
Optimal receptions of the UE to the optimal T RP nodes is trained according to the downlink wave beam training reference signal sequence
Wave beam, and carry out data receiver with the optimal reception wave beam.
Preferably, described device also includes：
3rd receiving module, for detecting that the SINR of present transmission link or received signal power are low as the TRP
When predetermined threshold value, then the RRC signaling or the default DCI format that the TRP is sent are received, and according to the wave beam
Training reference signal or the SRS carry out the wave beam tracking process in preset range.
Preferably, described device also includes：
Second sending module, for detecting that the SINR of present transmission link or received signal power are less than as the UE
During the predetermined threshold value, then default ascending control information UCI formatted requests wave beam training is sent, to cause the base station to send institute
RRC signaling or the default DCI format is stated to confirm to initiate wave beam tracking process to the UE；
3rd sending module, for the configuration parameter omnidirectional weight in the RRC signaling or the default DCI format
Recurrence send the wave beam training reference signal or the SRS to carry out wave beam tracking process, to cause the TRP to use what is be differently directed
Wave beam receives the wave beam training reference signal or the optimal reception wave beam tracking of SRS progress that the UE is sent respectively,
After completing wave beam tracking process, the optimal reception wave beam after the TRP renewals carries out data transmission with the UE.
A kind of device of wave beam tracking provided in an embodiment of the present invention, after mobile terminal UE is completed to be initially accessed, base station
The UE is triggered by radio resource control RRC signaling or default Downlink Control Information DCI format and sends uplink beam training
Reference signal or detection reference signal SRS；The base station is according to the received signal power or the SINR, described in selection
CoMP set corresponding to UE；When CoMP transmission mode of the base station using dynamic node selection DPS, the base station is same
Each TRP of the moment in the CoMP set reports received signal power or Signal to Interference plus Noise Ratio corresponding to optimal reception wave beam
SINR, an optimal T RP node is selected to carry out data transmission with the UE.It is applied to CoMP dynamic nodes so as to give one kind
Wave beam tracking process in transmission means is selected, the dynamic for realizing CoMP collaboration sets in data transmission procedure updates, in collaboration set
TRP dynamic renewal, the optimal transmitting-receiving wave beam tracking of TRP sides and UE sides.
The technical principle of the embodiment of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain this
The principle of inventive embodiments, and the limitation to protection domain of the embodiment of the present invention can not be construed in any way.Based on herein
Explanation, those skilled in the art, which would not require any inventive effort, can associate the other specific of the embodiment of the present invention
Embodiment, these modes are fallen within the protection domain of the embodiment of the present invention.
Claims (22)
- A kind of 1. method of wave beam tracking, it is characterised in that methods described includes：After mobile terminal UE is completed to be initially accessed, base station is believed by radio resource control RRC signaling or default descending control Cease DCI format and trigger the UE transmission uplink beam training reference signals or detection reference signal SRS, to cause the UE roots Repeat to send the uplink beam training reference according to the configuration parameter omnidirectional in the RRC signaling or the default DCI format Signal or detection reference signal SRS；Transmitting-receiving node TRP according to the wave beam of default different directions receive respectively the beam reference signal that the UE sends or The SRS, and training book TRP is to the optimal reception wave beam of the UE；Calculate, storage and report described optimal connect to the base station Receive the received signal power or Signal to Interference plus Noise Ratio SINR of wave beam；The base station selects CoMP set corresponding to the UE according to the received signal power or the SINR, described CoMP set includes at least one TRP；When CoMP transmission mode of the base station using dynamic node selection DPS, the base station is in synchronization according to Each TRP in CoMP set reports received signal power or Signal to Interference plus Noise Ratio SINR corresponding to optimal reception wave beam, selection one Optimal T RP nodes carry out data transmission with the UE.
- 2. according to the method for claim 1, it is characterised in that the configuration parameter includes the wave beam training reference signal Form, sequence identifier information and number of repetition.
- 3. according to the method for claim 1, it is characterised in that the configuration parameter includes the UE and sends the wave beam instruction Practice the cycle of reference signal or send the cycle of the SRS, the Cycle Length is according to base station scene or the CoMP collection What the TRP antenna numbers in conjunction determined.
- 4. according to the method for claim 1, it is characterised in that described one optimal T RP node of selection is carried out with the UE After data transfer, in addition to：The optimal T RP nodes insert one section of downlink wave beam training reference signal sequence before the data transfer, each Reference signal sequence is transmitted using optimal transmitting-receiving wave beam corresponding to the optimal T RP.
- 5. according to the method for claim 4, it is characterised in that the downlink wave beam training reference signal sequence includes being used for The reference signal sequence of wave beam tracking either demodulated reference signal DMRS sequences, the DMRS sequences connect for completing the UE The wave beam training and the estimation of down channel of receipts.
- 6. according to the method described in claim 1 to 5 any one, it is characterised in that methods described also includes：When the TRP detects that the SINR of present transmission link or received signal power are less than predetermined threshold value, then the TRP Sending the RRC signaling, either the default DCI format triggers the UE transmissions wave beam training reference signal or described SRS carries out the wave beam tracking process in preset range.
- 7. according to the method described in claim 1 to 5 any one, it is characterised in that methods described also includes：It is when the UE detects that the SINR of present transmission link or received signal power are less than the predetermined threshold value, then described Base station receives the default ascending control information UCI formatted requests wave beam training that the UE is sent, and the base station sends the RRC letters Order or the default DCI format confirm to initiate wave beam tracking process to the UE, to cause the UE according to the RRC signaling Or the configuration parameter omnidirectional in the default DCI format repeats to send the wave beam training reference signal or the SRS is carried out Wave beam tracks process；The TRP receives the wave beam training reference signal or described of the UE transmissions with the wave beam being differently directed respectively SRS carries out optimal reception wave beam tracking, after completing wave beam tracking process, optimal reception wave beam and institute after the TRP renewals UE is stated to carry out data transmission.
- A kind of 8. method of wave beam tracking, it is characterised in that methods described includes：After mobile terminal UE is completed to be initially accessed, the UE receive the radio resource control RRC signaling that the base station sends or Person presets Downlink Control Information DCI format, and the configuration parameter in the RRC signaling or the default DCI format is complete The wave beam training reference signal or the SRS are sent to repetition；To cause transmitting-receiving node TRP according to default different directions Wave beam receives the beam reference signal or the SRS that the UE is sent respectively, and training book TRP is to the optimal of the UE Receive wave beam；Calculate, store and report the optimal received signal power or Signal to Interference plus Noise Ratio for receiving wave beam to the base station SINR, the base station selects CoMP set corresponding to the UE according to the received signal power or the SINR, described CoMP set includes at least one TRP；When CoMP transmission mode of the base station using dynamic node selection DPS, the UE is connect using omnidirectional or directional beam Receive the data that the optimal T RP nodes that the base station selects from CoMP set are sent.
- 9. according to the method for claim 8, it is characterised in that the UE receives the base station using omnidirectional or directional beam The data that the optimal T RP nodes selected from CoMP set are sent, including：The UE receives the decode the downlink wave beam training of the optimal T RP nodes transmission with reference to letter according to the wave beam being differently directed Number sequence；The UE trains the UE to connect the optimal of optimal T RP nodes according to the downlink wave beam training reference signal sequence Wave beam is received, and data receiver is carried out with the optimal reception wave beam.
- 10. method according to claim 8 or claim 9, it is characterised in that methods described also includes：When the TRP detects that the SINR of present transmission link or received signal power are less than predetermined threshold value, then the UE Receive the RRC signaling or the default DCI format that the TRP is sent, and according to the wave beam training reference signal or SRS described in person carries out the wave beam tracking process in preset range.
- 11. method according to claim 8 or claim 9, it is characterised in that methods described also includes：It is when the UE detects that the SINR of present transmission link or received signal power are less than the predetermined threshold value, then described UE sends default ascending control information UCI formatted requests wave beam training, to cause the base station to send the RRC signaling or institute Default DCI format is stated to confirm to initiate wave beam tracking process to the UE；Configuration parameter omnidirectionals of the UE in the RRC signaling or the default DCI format repeats to send the wave beam Training reference signal or the SRS carry out wave beam tracking process, to cause the TRP to receive institute respectively with the wave beam being differently directed State the wave beam training reference signal of UE transmissions or the SRS carries out optimal reception wave beam tracking, complete wave beam and tracked Cheng Hou, the optimal reception wave beam after the TRP renewals carry out data transmission with the UE.
- 12. a kind of device of wave beam tracking, it is characterised in that described device includes：Trigger module, for after mobile terminal UE is completed to be initially accessed, setting by radio resource control RRC signaling or in advance Row control information DCI format triggers the UE and sends uplink beam training reference signal or detection reference signal SRS, to cause Configuration parameter omnidirectionals of the UE in the RRC signaling or the default DCI format repeats to send the uplink beam Training reference signal or detection reference signal SRS；First receiving module, for receiving the beam reference letter of the UE transmissions respectively according to the wave beam of default different directions Number or the SRS, and training book TRP is to the optimal reception wave beam of the UE；Calculate, store and reported to the base station described The optimal received signal power or Signal to Interference plus Noise Ratio SINR for receiving wave beam；First choice module, for according to the received signal power or the SINR, selecting CoMP collection corresponding to the UE Close, the CoMP set includes at least one TRP；Second selecting module, for when CoMP transmission mode of the base station using dynamic node selection DPS, the base station to exist Each TRP of the synchronization in the CoMP set reports received signal power corresponding to optimal reception wave beam or believes dry make an uproar Than SINR, an optimal T RP node is selected to carry out data transmission with the UE.
- 13. device according to claim 12, it is characterised in that the configuration parameter includes wave beam training with reference to letter Number form, sequence identifier information and number of repetition.
- 14. device according to claim 12, it is characterised in that the configuration parameter includes the UE and sends the wave beam The cycle of training reference signal or the cycle for sending the SRS, the Cycle Length is according to base station scene or the CoMP What the TRP antenna numbers in set determined.
- 15. device according to claim 12, it is characterised in that described device also includes：Insert module, for carrying out data transmission it with the UE in one optimal T RP node of selection, transmit the data it One section of downlink wave beam training reference signal sequence of preceding insertion, each reference signal sequence is using corresponding to the optimal T RP Optimal transmitting-receiving wave beam is transmitted.
- 16. device according to claim 15, it is characterised in that the downlink wave beam training reference signal sequence includes using In the reference signal sequence either demodulated reference signal DMRS sequences of wave beam tracking, the DMRS sequences are used to complete the UE The wave beam training and the estimation of down channel of reception.
- 17. according to the device described in claim 12 to 16 any one, it is characterised in that described device also includes：First sending module, SINR or received signal power for detecting present transmission link as the TRP are less than pre- If during threshold value, then send the RRC signaling or the default DCI format triggers the UE and sends the wave beam training with reference to letter Number or the SRS carry out preset range in wave beam tracking process.
- 18. according to the device described in claim 12 to 16 any one, it is characterised in that described device also includes：Second receiving module, SINR or received signal power for detecting present transmission link as the UE are less than described During predetermined threshold value, then the default ascending control information UCI formatted requests wave beam training that the UE is sent is received；Second sending module, for send the RRC signaling or the default DCI format to the UE confirm initiate wave beam with Track process, to cause configuration parameter omnidirectionals of the UE in the RRC signaling or the default DCI format to repeat to send The wave beam training reference signal or the SRS carry out wave beam tracking process；Transport module, for the wave beam being differently directed receive respectively the wave beam training reference signal that the UE sends or The SRS carries out optimal reception wave beam tracking, after completing wave beam tracking process, with the optimal reception wave beam after renewal and the UE Carry out data transmission.
- 19. a kind of device of wave beam tracking, it is characterised in that described device includes：First receiving module, for after mobile terminal UE is completed to be initially accessed, receiving the Radio Resource control that the base station is sent RRC signaling processed or default Downlink Control Information DCI format；First sending module, repeat to send out for the configuration parameter omnidirectional in the RRC signaling or the default DCI format The wave beam training reference signal or the SRS are sent, to cause transmitting-receiving node TRP to distinguish according to the wave beam of default different directions The beam reference signal or the SRS that the UE is sent are received, and training book TRP is to the optimal received wave of the UE Beam；Calculate, store and report the optimal received signal power for receiving wave beam or the Signal to Interference plus Noise Ratio SINR to the base station, it is described Base station selects CoMP set corresponding to the UE, the CoMP set bag according to the received signal power or the SINR Include at least one TRP；Second receiving module, for when CoMP transmission mode of the base station using dynamic node selection DPS, using omnidirectional or Directional beam receives the data that the optimal T RP nodes that the base station selects from CoMP set are sent.
- 20. device according to claim 19, it is characterised in that second receiving module, be specifically used for：Wave beam according to being differently directed receives the decode the downlink wave beam training reference signal sequence that the optimal T RP nodes are sent Row；Optimal received waves of the UE to the optimal T RP nodes is trained according to the downlink wave beam training reference signal sequence Beam, and carry out data receiver with the optimal reception wave beam.
- 21. the device according to claim 19 or 20, it is characterised in that described device also includes：3rd receiving module, SINR or received signal power for detecting present transmission link as the TRP are less than pre- If during threshold value, then the RRC signaling or the default DCI format that the TRP is sent are received, and train according to the wave beam Reference signal or the SRS carry out the wave beam tracking process in preset range.
- 22. the device according to claim 19 or 20, it is characterised in that described device also includes：Second sending module, SINR or received signal power for detecting present transmission link as the UE are less than described During predetermined threshold value, then default ascending control information UCI formatted requests wave beam training is sent, to cause described in the base station transmission RRC signaling or the default DCI format confirm to initiate wave beam tracking process to the UE；3rd sending module, repeat to send out for the configuration parameter omnidirectional in the RRC signaling or the default DCI format The wave beam training reference signal or the SRS is sent to carry out wave beam tracking process, to cause the TRP wave beams being differently directed The wave beam training reference signal or the optimal reception wave beam tracking of SRS progress that the UE is sent are received respectively, are completed After wave beam tracking process, the optimal reception wave beam after the TRP renewals carries out data transmission with the UE.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110430584A (en) * | 2019-08-06 | 2019-11-08 | 北京邮电大学 | The uplink multi-beam initial access method of inactive users in a kind of millimeter of wave network |
| CN112075030A (en) * | 2018-04-27 | 2020-12-11 | 高通股份有限公司 | Spatial diversity for data transmission using multiple beams |
| CN112640327A (en) * | 2018-09-10 | 2021-04-09 | 谷歌有限责任公司 | Fast beam tracking |
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| CN112075030A (en) * | 2018-04-27 | 2020-12-11 | 高通股份有限公司 | Spatial diversity for data transmission using multiple beams |
| CN112075030B (en) * | 2018-04-27 | 2022-10-25 | 高通股份有限公司 | Spatial diversity for data transmission using multiple beams |
| CN112640327A (en) * | 2018-09-10 | 2021-04-09 | 谷歌有限责任公司 | Fast beam tracking |
| CN112640327B (en) * | 2018-09-10 | 2024-04-09 | 谷歌有限责任公司 | Method, base station and user equipment for realizing fast beam tracking |
| CN110430584A (en) * | 2019-08-06 | 2019-11-08 | 北京邮电大学 | The uplink multi-beam initial access method of inactive users in a kind of millimeter of wave network |
| CN110430584B (en) * | 2019-08-06 | 2020-10-23 | 北京邮电大学 | Uplink multi-beam initial access method for non-active users in millimeter wave network |
| WO2022011527A1 (en) * | 2020-07-14 | 2022-01-20 | Intel Corporation | Srs configuration and transmission in multi-dci multi-trp and carrier aggregation |
| WO2022228341A1 (en) * | 2021-04-29 | 2022-11-03 | 维沃移动通信有限公司 | Method for transmission parameter of uplink channel, terminal, and network side device |
| CN113438002A (en) * | 2021-06-07 | 2021-09-24 | 北京邮电大学 | LSTM-based analog beam switching method, device, equipment and medium |
| CN113438002B (en) * | 2021-06-07 | 2022-07-12 | 北京邮电大学 | LSTM-based analog beam switching method, device, equipment and medium |
| CN115550948A (en) * | 2022-11-25 | 2022-12-30 | 北京九天微星科技发展有限公司 | Uplink sounding reference signal transmission method and device |
| CN115550948B (en) * | 2022-11-25 | 2023-08-18 | 北京九天微星科技发展有限公司 | Uplink sounding reference signal transmission method and equipment |
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