CN109327897A - Signal synchronizing method and device based on base station and terminal - Google Patents
Signal synchronizing method and device based on base station and terminal Download PDFInfo
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- CN109327897A CN109327897A CN201710643409.9A CN201710643409A CN109327897A CN 109327897 A CN109327897 A CN 109327897A CN 201710643409 A CN201710643409 A CN 201710643409A CN 109327897 A CN109327897 A CN 109327897A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
- H04W56/0015—Synchronization between nodes one node acting as a reference for the others
-
- 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
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
-
- 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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- 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
- H04W72/0466—Wireless resource allocation based on the type of the allocated resource the resource being a scrambling code
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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 signal synchronizing method and device based on base station and terminal, the described method includes: receiving the antenna beam of Base Transmitter, the antenna beam is base station in same radio frames, to K sector transmission, wherein, K is base station horizontal coverage to be carried out to the obtained sector number of equal area partition, the antenna beam beam angle having the same, and have the different directions of propagation；The antenna beam for determining maximum intensity, parses the synchronization signal block of the antenna beam, and the synchronization signal block includes PBCH signal；Serial number information and scrambling code that the PBCH signal obtains the synchronization signal block are parsed, the antenna beam of maximum intensity is determined in the relative position of the sector, to realize slot synchronization and frame synchronization according to the serial number information and scrambling code.
Description
Technical field
The present invention relates to network communication technology field more particularly to a kind of signal synchronizing method based on base station and terminal and
Device.
Background technique
To meet the needs of following 5G communication network high flow capacity density, the high band continuous band of 6GHz~52.6GHz is used
Width is the inevitable choice of 5G communication.
Work is in one of the key technology that extensive MIMO (Massive MIMO) technology of high band is 5G communication.
Massive MIMO technology uses the low-power consumption antenna and transmitting-receiving subassembly of multiple groups relative moderate, has multi-user beam-forming energy
Power can be substantially improved wireless frequency spectrum efficiency and power system capacity, and reduce inter-user interference.Meanwhile Massive MIMO is to realize
High band mobile communication provides strong support, can also further improve wireless signal covering energy by the methods of beam forming
Power.
For the 5G high band communication scenes using Massive MIMO technology, in the premise for not aggravating interference neighboring community
Under, eNB is to improve to be initially accessed synchronization signal coverage rate, constitutes an oriented antenna wave beam using beam forming technique, will
Signal power is concentrated in particular directions, has not only extended the synchronization signal covering radius on beam direction but also will not be to beam area
Outer user interferes, then uses the complete coverage cell of beam scanning (beam sweeping) method, that is, passes through a series of wave beams
Forming matrix sequentially changes beam position, makes antenna beam inswept eNB whole airspace in the horizontal direction.Obviously, it is only in
User in current beam coverage area can just receive synchronization signal, and other users need to wait beam scanning to itself institute
Prescription is to causing user UE is to obtain synchronization signal it is possible that relatively long waiting time, this, which is usually unable to satisfy, is
The requirement that system quickly accesses.
Summary of the invention
The present invention provides a kind of signal synchronizing method and device based on base station and terminal, for solving UE in the prior art
Can not fast access into network the problem of.
In a first aspect, the present invention provides a kind of signal synchronizing method based on base station and terminal, comprising:
The antenna beam of Base Transmitter is received, the antenna beam is base station in same radio frames, to K sector transmission
, wherein K is that base station horizontal coverage is carried out the obtained sector number of equal area partition, and the antenna beam has
Identical beam angle, and there is the different directions of propagation；
The antenna beam for determining maximum intensity parses the synchronization signal block of the antenna beam, the synchronization signal block packet
Include PBCH signal；
Parse serial number information and scrambling code that the PBCH signal obtains the synchronization signal block, according to the serial number information and
Scrambling code determines relative position of the antenna beam in the sector of maximum intensity.
Optionally, the scrambling code is the scrambling code that the base station is chosen according to the sector from preset scrambling code group.
Second aspect, the present invention provide a kind of signal synchronizing method based on base station and terminal, comprising:
K antenna beam is obtained, K is that base station horizontal coverage is carried out the obtained sector number of equal area partition,
The antenna beam beam angle having the same, and there is the different directions of propagation；
In same radio frames, to one antenna beam of each sector transmission, so that after terminal receives the antenna beam,
The antenna beam for determining maximum intensity parses the synchronization signal block of the antenna beam, and according to the PBCH in synchronization signal block
Signal obtains the serial number information and scrambling code of the synchronization signal block, and the day of maximum intensity is determined according to the serial number information and scrambling code
Relative position of the line wave beam in the sector.
Optionally, before transmitted antednna beam, corresponding scrambling code is chosen from preset scrambling code group according to the sector, it will
Scrambling code is attached in corresponding PBCH signal.
The third aspect, the present invention provide a kind of signal synchronizing device based on base station and terminal, comprising:
Receiving module, for receiving the antenna beam of Base Transmitter, the antenna beam is base station in same radio frames, to
K sector transmission, wherein K is that base station horizontal coverage is carried out the obtained sector number of equal area partition, the day
Line wave beam beam angle having the same, and there is the different directions of propagation；
Parsing module parses the synchronization signal block of the antenna beam for determining the antenna beam of maximum intensity, described
Synchronization signal block includes PBCH signal；
Processing module obtains the serial number information and scrambling code of the synchronization signal block for parsing the PBCH signal, according to
The serial number information and scrambling code determine relative position of the antenna beam in the sector of maximum intensity.
Fourth aspect, the present invention provide a kind of signal synchronizing device based on base station and terminal, comprising:
Module is obtained, K antenna beam is obtained, K is that base station horizontal coverage progress equal area partition is obtained
Sector number, the antenna beam beam angle having the same, and there is the different directions of propagation；
Transmitting module is used in same radio frames, to one antenna beam of each sector transmission, so that terminal receives institute
After stating antenna beam, the antenna beam of maximum intensity is determined, parse the synchronization signal block of the antenna beam, and believe according to synchronous
PBCH signal in number block obtains the serial number information and scrambling code of the synchronization signal block, is determined according to the serial number information and scrambling code
Relative position of the antenna beam of maximum intensity in the sector.
It optionally, further include scrambling module, for before transmitted antednna beam, according to the sector from preset scrambling code
Group chooses corresponding scrambling code, and scrambling code is attached in corresponding PBCH signal.
5th aspect, the present invention provide a kind of electronic equipment, comprising: processor, memory, bus and are stored in memory
Computer program that is upper and can running on a processor；
Wherein, the processor, memory complete mutual communication by the bus；
The processor realizes such as above-mentioned method when executing the computer program.
6th aspect, the present invention provide a kind of non-transient computer readable storage medium, which is characterized in that described non-transient
It is stored with computer program on computer readable storage medium, such as above-mentioned side is realized when which is executed by processor
Method.
As shown from the above technical solution, a kind of signal synchronizing method based on base station and terminal provided in an embodiment of the present invention
And device, the antenna beam of Base Transmitter is received by terminal, is determined the antenna beam of maximum intensity, is parsed the antenna beam
Synchronization signal block, parse PBCH signal in synchronization signal block and obtain the serial number information and scrambling code of the synchronization signal block, according to
The serial number information and scrambling code determine the antenna beam of maximum intensity in the relative position of the sector, to realize slot synchronization
And frame synchronization.
Detailed description of the invention
Fig. 1 is the flow diagram for the signal synchronizing method based on base station and terminal that one embodiment of the invention provides；
Fig. 2 is the beam pattern of the end one embodiment of the invention eNB aerial array under polar coordinates；
Fig. 3 is two wave beam of the end one embodiment of the invention eNB and to scanning antenna array polar coordinates directional diagram；
Fig. 4 is the composition schematic diagram of one embodiment of the invention synchronization signal block；
Fig. 5 is showing comprising synchronization signal block serial number information in the system information of one embodiment of the invention PBCH signal carrying
It is intended to；
Fig. 6 is showing comprising synchronization signal block serial number information in the system information of one embodiment of the invention PBCH signal carrying
It is intended to；
Fig. 7 is the flow diagram for the signal synchronizing method based on base station and terminal that one embodiment of the invention provides；
Fig. 8 is the structural schematic diagram for the signal synchronizing device based on base station and terminal that one embodiment of the invention provides；
Fig. 9 is the structural schematic diagram for the signal synchronizing device based on base station and terminal that one embodiment of the invention provides；
Figure 10 is the structural schematic diagram for the electronic equipment that one embodiment of the invention provides；
Figure 11 is the structural schematic diagram for the electronic equipment that one embodiment of the invention provides.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Fig. 1 shows one embodiment of the invention and provides a kind of signal synchronizing method based on base station and terminal, comprising:
S11, the antenna beam for receiving Base Transmitter, the antenna beam are base station in same radio frames, are sent out to K sector
It penetrates, wherein K is that base station horizontal coverage is carried out to the obtained sector number of equal area partition, the antenna beam tool
There is identical beam angle, and there is the different directions of propagation.
In this step, it should be noted that in embodiments of the present invention, for high band Massive MIMO communication field
Base station (eNB) end in scape, base station configures L beamforming matrix W1,…,WL, L directional antenna beams can be formed.L wave
Beam signal beam shape having the same and different directions can be uniformly distributed simultaneously coverage cell in the horizontal direction of base station airspace
Range.It is simple and clear to express if Fig. 2 is given at the beam pattern of aerial array under polar coordinates, one is only gived in figure
The main lobe schematic diagram of a wave beam, by forming matrix Wn(1≤n≤L) is generated.
For above-mentioned L beam signal, a sector K (L=M × K), each sector are divided into further according to horizontal direction
Including M adjacent beams.Accordingly, there exist M synchronization signal transmit cycles.In continuous N synchronization signal transmit cycle, eNB
K beamforming matrix, the i.e. period for serial number i are used simultaneously in each emission time by large-scale antenna array,
Matrix W is used simultaneouslyimodL,W(i+M)modL,W(i+2M)modL,...,W(i+(K-1)M)modLTo synchronization signal figuration, transmitted antednna beam.
If Fig. 3 is two wave beam of the end eNB and to scanning antenna array polar coordinates directional diagram.It can be seen from the figure that if L=
20, K=2, then each sector respectively includes 10 antenna beams.This 10 antenna beams are successively composed of serial number in each sector.
Each transmit cycle, each sector successively carry out emitting one of antenna beam.In Fig. 3, in two sectors #1 and #2,
Two sectors respectively include an antenna beam.And in continuous multiple transmit cycles, the beam signal in two sectors is followed
Ring transmitting.
After the periodical launch antenna beam of base station, terminal is in the synchronizing process of cell searching, receiving antenna wave beam.It is connecing
The beam signal that during receipts, some beam signals can be received, be had is strong and weak different.
S12, the antenna beam for determining maximum intensity parse the synchronization signal block of the antenna beam, the synchronization signal
Block includes PBCH signal.
In this step, it should be noted that in embodiments of the present invention, from the Antenna Beam signal received root
The antenna beam of maximum intensity is determined according to signal strength.Each antenna beam has synchronization signal block, in each synchronization signal block
Including PSS signal, SSS signal and PBCH signal.In embodiments of the present invention, it needs to carry out antenna beam parsing and obtains PSS
Signal, SSS signal and PBCH signal.Fig. 4 is the composition schematic diagram of synchronization signal block, due to only right in embodiments of the present invention
PBCH signal carries out processing change, therefore in the course of the description, fail to carry out Fig. 4 whole descriptions.
In embodiments of the present invention, identical as existing treatment process for the processing of PSS signal, SSS signal, can it pass through
Base station IDs are obtained to the analysis of PSS signal, SSS signal.Therefore, in the description of this step S12, the PBCH signal that only describes.
S13, the parsing PBCH signal obtain the serial number information and scrambling code of the synchronization signal block, are believed according to the serial number
Breath and scrambling code determine relative position of the antenna beam in the sector of maximum intensity.
In this step, it should be noted that in embodiments of the present invention, when use multi-beam parallel scan access way
When, to avoid UE from obscuring in identification boundary of time slot and frame boundaries, while it being not take up the system information resource of PBCH, using disturbing
The mode of code adheres to the information of sector K on PBCH signal, i.e. the maximum value of hypothesis K is Kmax, the use of one group includes KmaxIt is a to disturb
Scrambling code group { 1≤i≤K of codemax, as use K (1≤K≤Kmax) when carrying out beam transmission, correspondence is disturbed using k-th for a sector
Code SCKPBCH information is scrambled.In the present embodiment, the construction of specific scrambling code can be used with good auto-correlation to without related special
The known array of property, such as M sequence or gold sequence etc..
In the present embodiment, the Antenna Beam signal for including in each sector can successively be configured by certain serial number, sequence
Number information is configured into PBCH signal.Such as K=2, each sector includes 10 beam signals, if by successively emitting counterclockwise,
Then wherein primary transmitting is beam signal that each transmitting rank in each sector is 3, and transmitting is that each sector respectively emits sequence next time
Number be 4 beam signal, carry out in due order, until entire transmit cycle finishes.
Include PSS signal, SSS signal and PBCH signal in synchronization signal, is made of respectively different OFDM symbols, by this
Kind signal group is collectively referred to as synchronization signal block (SSB), SSB1,…,SSBLIt is corresponding with L wave beam respectively, in a launch window
On, with the sequentially change of beam position, the end eNB successively emits whole blocks on N number of time slot, as shown in figure 5, PBCH believes
Number carry system information in contain the serial number information of block.
The end eNB can make in flexible configuration beam scanning according to the beamforming capability of specific UE access demand and itself
Beam sector number K.Fig. 6 provides eNB synchronization signal block of synchronized transmissions on different sectors airspace and shows by taking K=2 as an example
It is intended to, compared with Fig. 5, it is only necessary to which N/2 time slot can emit whole blocks.
Terminal, which carries out parsing to PBCH signal, can get the serial number information and scrambling code of the synchronization signal block.According to the sequence
Number information and scrambling code determine that the antenna beam of maximum intensity in the relative position of the sector, and obtains the signal in transmitting week
Relative position on phase, to realize slot synchronization and frame synchronization.
A kind of signal synchronizing method based on base station and terminal provided in an embodiment of the present invention receives base station hair by terminal
The antenna beam penetrated determines the antenna beam of maximum intensity, parses the synchronization signal block of the antenna beam, parses synchronization signal
PBCH signal obtains the serial number information and scrambling code of the synchronization signal block in block, determines intensity according to the serial number information and scrambling code
Maximum antenna beam is in the relative position of the sector, to realize slot synchronization and frame synchronization.
Fig. 7 shows a kind of signal synchronizing method based on base station and terminal of one embodiment of the invention offer, comprising:
S31, K antenna beam is obtained, K is that base station horizontal coverage is carried out the obtained sector of equal area partition
Number, the antenna beam beam angle having the same, and there is the different directions of propagation；
S32, in same radio frames, to one antenna beam of each sector transmission, so that terminal receives the antenna wave
Shu Hou determines the antenna beam of maximum intensity, parses the synchronization signal block of the antenna beam, and according in synchronization signal block
PBCH signal obtains the serial number information and scrambling code of the synchronization signal block, determines maximum intensity according to the serial number information and scrambling code
Antenna beam the sector relative position.
In addition, choosing corresponding scrambling code before transmitted antednna beam from preset scrambling code group according to the sector, disturbing
Code is attached in corresponding PBCH signal.
In embodiments of the present invention, above-mentioned treatment process is that base station is completed, and exists be directed to base in the above-described embodiments
The detailed description for the treatment process stood, details are not described herein.Meanwhile it also describing terminal and receiving retouching in detail for antenna beam
It states.
A kind of signal synchronizing method based on base station and terminal provided in an embodiment of the present invention receives base station hair by terminal
The antenna beam penetrated determines the antenna beam of maximum intensity, parses the synchronization signal block of the antenna beam, parses synchronization signal
PBCH signal obtains the serial number information and scrambling code of the synchronization signal block in block, determines intensity according to the serial number information and scrambling code
Maximum antenna beam is in the relative position of the sector, to realize slot synchronization and frame synchronization.
Fig. 8 shows a kind of signal synchronizing device based on base station and terminal of one embodiment of the invention offer, including connects
Receive module 41, parsing module 42 and processing module 43, in which:
Receiving module 41, for receiving the antenna beam of Base Transmitter, the antenna beam is base station in same radio frames,
To K sector transmission, wherein K is that base station horizontal coverage is carried out to the obtained sector number of equal area partition, described
Antenna beam beam angle having the same, and there is the different directions of propagation；
Parsing module 42 parses the synchronization signal block of the antenna beam, institute for determining the antenna beam of maximum intensity
Stating synchronization signal block includes PBCH signal；
Processing module 43 obtains the serial number information and scrambling code of the synchronization signal block, root for parsing the PBCH signal
Relative position of the antenna beam in the sector of maximum intensity is determined according to the serial number information and scrambling code.
During processing, receiving module 41 receives the antenna beam of Base Transmitter, and the antenna beam is base station same
One radio frames, to K sector transmission, wherein K is that base station horizontal coverage is carried out the obtained sector of equal area partition
Number, the antenna beam beam angle having the same, and there is the different directions of propagation.Receiving module is in real time by antenna wave
Beam is sent to parsing module.Parsing module 42 determines the antenna beam of maximum intensity, parses the synchronization signal of the antenna beam
Block, the synchronization signal block include PBCH signal.Synchronization signal block is sent to processing module by parsing module.Processing module 43 solves
Serial number information and scrambling code that the PBCH signal obtains the synchronization signal block are analysed, is determined according to the serial number information and scrambling code strong
Maximum antenna beam is spent in the relative position of the sector, realizes slot synchronization and frame synchronization.
Since described device of the embodiment of the present invention is identical as the principle of above-described embodiment the method, for more detailed
Explain that details are not described herein for content.
It should be noted that can be by hardware processor (hardware processor) come real in the embodiment of the present invention
Existing related function module.
A kind of signal synchronizing device based on base station and terminal provided in an embodiment of the present invention receives base station hair by terminal
The antenna beam penetrated determines the antenna beam of maximum intensity, parses the synchronization signal block of the antenna beam, parses synchronization signal
PBCH signal obtains the serial number information and scrambling code of the synchronization signal block in block, determines intensity according to the serial number information and scrambling code
Maximum antenna beam is in the relative position of the sector, to realize slot synchronization and frame synchronization.
Fig. 9 shows a kind of signal synchronizing device based on base station and terminal of one embodiment of the invention offer, including obtains
Modulus block 51, scrambling module 52 and transmitting module 53, in which:
Module 51 is obtained, K antenna beam is obtained, K is to carry out base station horizontal coverage obtained by equal area partition
Sector number, the antenna beam beam angle having the same, and have the different directions of propagation；
Transmitting module 53 is used in same radio frames, to one antenna beam of each sector transmission, so that terminal receives
After the antenna beam, the antenna beam of maximum intensity is determined, parse the synchronization signal block of the antenna beam, and according to synchronization
PBCH signal in block obtains the serial number information and scrambling code of the synchronization signal block, true according to the serial number information and scrambling code
Determine relative position of the antenna beam in the sector of maximum intensity.
Scrambling module 52, for being chosen and being corresponded to from preset scrambling code group according to the sector before transmitted antednna beam
Scrambling code, scrambling code is attached in corresponding PBCH signal.
Since described device of the embodiment of the present invention is identical as the principle of above-described embodiment the method, for more detailed
Explain that details are not described herein for content.
It should be noted that can be by hardware processor (hardware processor) come real in the embodiment of the present invention
Existing related function module.
A kind of signal synchronizing device based on base station and terminal provided in an embodiment of the present invention receives base station hair by terminal
The antenna beam penetrated determines the antenna beam of maximum intensity, parses the synchronization signal block of the antenna beam, parses synchronization signal
PBCH signal obtains the serial number information and scrambling code of the synchronization signal block in block, determines intensity according to the serial number information and scrambling code
Maximum antenna beam is in the relative position of the sector, to realize slot synchronization and frame synchronization.
Figure 10 shows a kind of electronic equipment of one embodiment of the invention offer, comprising: processor 601,602 and of memory
Bus 603, wherein
The processor and the memory complete mutual communication by the bus；
The memory is stored with the program instruction that can be executed by the processor, to execute above-mentioned each method embodiment institute
The method of offer, for example, receive the antenna beam of Base Transmitter, the antenna beam is base station in same radio frames, to K
A sector transmission, wherein K is that base station horizontal coverage is carried out the obtained sector number of equal area partition, the day
Line wave beam beam angle having the same, and there is the different directions of propagation；The antenna beam of maximum intensity is determined, described in parsing
The synchronization signal block of antenna beam, the synchronization signal block include PBCH signal；It parses the PBCH signal and obtains the synchronization
The serial number information and scrambling code of block determine the antenna beam of maximum intensity in the sector according to the serial number information and scrambling code
Relative position.
A kind of non-transient computer readable storage medium that one embodiment of the invention provides, the non-transient computer are readable
Storage medium stores computer instruction, and the computer instruction executes the computer provided by above-mentioned each method embodiment
Method, for example, receive the antenna beam of Base Transmitter, the antenna beam is base station in same radio frames, to K sector
Transmitting, wherein K is that base station horizontal coverage is carried out the obtained sector number of equal area partition, the antenna beam
Beam angle having the same, and there is the different directions of propagation；The antenna beam for determining maximum intensity parses the antenna wave
The synchronization signal block of beam, the synchronization signal block include PBCH signal；It parses the PBCH signal and obtains the synchronization signal block
Serial number information and scrambling code, determine the antenna beam of maximum intensity in the opposite of the sector according to the serial number information and scrambling code
Position.
Figure 11 shows a kind of electronic equipment of one embodiment of the invention offer, comprising: processor 701,702 and of memory
Bus 703, wherein
The processor and the memory complete mutual communication by the bus；
The memory is stored with the program instruction that can be executed by the processor, to execute above-mentioned each method embodiment institute
The method of offer, for example, obtain module, obtain K antenna beam, K is that base station horizontal coverage is carried out homalographic
Obtained sector number, the antenna beam beam angle having the same are divided, and there is the different directions of propagation；Same
One radio frames, to one antenna beam of each sector transmission, so as to determine maximum intensity after terminal receives the antenna beam
Antenna beam, parse the synchronization signal block of the antenna beam, and described in obtaining according to the PBCH signal in synchronization signal block
The serial number information and scrambling code of synchronization signal block determine the antenna beam of maximum intensity described according to the serial number information and scrambling code
The relative position of sector；The antenna beam is each period in the horizontal direction of base station airspace in more than two sectors of equal part
The antenna beam respectively emitted.
A kind of non-transient computer readable storage medium that one embodiment of the invention provides, the non-transient computer are readable
Storage medium stores computer instruction, and the computer instruction executes the computer provided by above-mentioned each method embodiment
Method, for example, obtain module, obtain K antenna beam, K for by base station horizontal coverage progress equal area partition institute
Obtained sector number, the antenna beam beam angle having the same, and there is the different directions of propagation；Same wireless
Frame, to one antenna beam of each sector transmission, so as to determine the antenna of maximum intensity after terminal receives the antenna beam
Wave beam parses the synchronization signal block of the antenna beam, and obtains the synchronous letter according to the PBCH signal in synchronization signal block
The serial number information and scrambling code of number block, determine the antenna beam of maximum intensity in the sector according to the serial number information and scrambling code
Relative position；The antenna beam is respectively to emit in more than two sectors of equal part in the horizontal direction of base station airspace in each period
An antenna beam.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention
Within the scope of and form different embodiments.For example, in the following claims, embodiment claimed is appointed
Meaning one of can in any combination mode come using.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and ability
Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not
Element or step listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of multiple such
Element.The present invention can be by means of including the hardware of several different elements and being come by means of properly programmed computer real
It is existing.In the unit claims listing several devices, several in these devices can be through the same hardware branch
To embody.The use of word first, second, and third does not indicate any sequence.These words can be explained and be run after fame
Claim.
Those of ordinary skill in the art will appreciate that: the above embodiments are only used to illustrate the technical solution of the present invention., and
It is non-that it is limited；Although present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art
It is understood that it is still possible to modify the technical solutions described in the foregoing embodiments, either to part of or
All technical features are equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution this hair
Bright claim limited range.
Claims (11)
1. a kind of signal synchronizing method based on base station and terminal characterized by comprising
The antenna beam of Base Transmitter is received, the antenna beam is base station in same radio frames, to K sector transmission,
In, K is that base station horizontal coverage is carried out the obtained sector number of equal area partition, and the antenna beam is having the same
Beam angle, and there is the different directions of propagation；
The antenna beam for determining maximum intensity, parses the synchronization signal block of the antenna beam, and the synchronization signal block includes
PBCH signal；
Serial number information and scrambling code that the PBCH signal obtains the synchronization signal block are parsed, according to the serial number information and scrambling code
Determine relative position of the antenna beam in the sector of maximum intensity.
2. the method according to claim 1, wherein the scrambling code is the base station according to the sector from default
Scrambling code group choose scrambling code.
3. a kind of signal synchronizing method based on base station and terminal characterized by comprising
K antenna beam is obtained, K is that base station horizontal coverage is carried out to the obtained sector number of equal area partition, described
Antenna beam beam angle having the same, and there is the different directions of propagation；
In same radio frames, to one antenna beam of each sector transmission, so as to be determined after terminal receives the antenna beam
The antenna beam of maximum intensity parses the synchronization signal block of the antenna beam, and according to the PBCH signal in synchronization signal block
The serial number information and scrambling code for obtaining the synchronization signal block determine the antenna wave of maximum intensity according to the serial number information and scrambling code
Relative position of the beam in the sector.
4. according to the method described in claim 3, it is characterized in that, before transmitted antednna beam, according to the sector from pre-
If scrambling code group choose corresponding scrambling code, scrambling code is attached in corresponding PBCH signal.
5. a kind of signal synchronizing device based on base station and terminal characterized by comprising
Receiving module, for receiving the antenna beam of Base Transmitter, the antenna beam is base station in same radio frames, to K
Sector transmission, wherein K is that base station horizontal coverage is carried out the obtained sector number of equal area partition, the antenna
Wave beam beam angle having the same, and there is the different directions of propagation；
Parsing module parses the synchronization signal block of the antenna beam, the synchronization for determining the antenna beam of maximum intensity
Block includes PBCH signal；
Processing module obtains the serial number information and scrambling code of the synchronization signal block for parsing the PBCH signal, according to described
Serial number information and scrambling code determine relative position of the antenna beam in the sector of maximum intensity.
6. a kind of signal synchronizing device based on base station and terminal characterized by comprising
Module is obtained, for obtaining K antenna beam, K is that base station horizontal coverage progress equal area partition is obtained
Sector number, the antenna beam beam angle having the same, and there is the different directions of propagation；
Transmitting module is used in same radio frames, to one antenna beam of each sector transmission, so that terminal receives the day
After line wave beam, the antenna beam of maximum intensity is determined, parse the synchronization signal block of the antenna beam, and according to synchronization signal block
In PBCH signal obtain the serial number information and scrambling code of the synchronization signal block, intensity is determined according to the serial number information and scrambling code
Relative position of the maximum antenna beam in the sector.
7. device according to claim 6, which is characterized in that further include scrambling module, for transmitted antednna beam it
Before, corresponding scrambling code is chosen from preset scrambling code group according to the sector, scrambling code is attached in corresponding PBCH signal.
8. a kind of electronic equipment characterized by comprising processor, memory, bus and storage on a memory and can located
The computer program run on reason device；
Wherein, the processor, memory complete mutual communication by the bus；
The processor realizes such as method of any of claims 1-2 when executing the computer program.
9. a kind of non-transient computer readable storage medium, which is characterized in that in the non-transient computer readable storage medium
It is stored with computer program, such as side of any of claims 1-2 is realized when which is executed by processor
Method.
10. a kind of electronic equipment characterized by comprising processor, memory, bus and storage are on a memory and can be
The computer program run on processor；
Wherein, the processor, memory complete mutual communication by the bus；
The processor realizes the method as described in any one of claim 3-4 when executing the computer program.
11. a kind of non-transient computer readable storage medium, which is characterized in that in the non-transient computer readable storage medium
It is stored with computer program, the side as described in any one of claim 3-4 is realized when which is executed by processor
Method.
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