CN108282842A - A kind of method and apparatus of initial cell access - Google Patents
A kind of method and apparatus of initial cell access Download PDFInfo
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- CN108282842A CN108282842A CN201710009733.5A CN201710009733A CN108282842A CN 108282842 A CN108282842 A CN 108282842A CN 201710009733 A CN201710009733 A CN 201710009733A CN 108282842 A CN108282842 A CN 108282842A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
Abstract
An embodiment of the present invention provides a kind of method and apparatus of initial cell access, this method includes：PSS is sent with predetermined period；Send the first SSS or the 2nd SSS, wherein PSS and the first SSS or the 2nd SSS sent using same beam forms a SS block, and the cell initial of 5G high bands can effectively be supported to access.
Description
Technical field
The present invention relates to the method and apparatus for a kind of method that field of communication technology more particularly to initial cell access.
Background technology
Since the single wave beam that the extensive antenna of 5G high bands is formed is relatively narrow, entire cell, therefore 5G systems can not be covered
Design introduces the concept of multi-beam.
However, currently without the method and flow of the initial cell access based on multi-beam.
Invention content
In view of above-mentioned technical problem, the embodiment of the present invention provides a kind of method and apparatus of initial cell access, Neng Gouyou
Effect supports the cell initial access of 5G high bands.
The first aspect of the embodiment of the present invention provides a kind of method of initial cell access, including：
PSS is sent with predetermined period；
Send the first SSS or the 2nd SSS, wherein PSS and the first SSS sent using same beam or the
Two SSS form a SS block.
Optionally, PSS and the first SSS or the 2nd SSS are multiplexed in a manner of FDM or TDM.
Optionally, that the sequence instruction of the first SSS is Beam ID, and the sequence instruction of the 2nd SSS is Cell ID；Or
The sequence instruction of first SSS is Cell ID, and the sequence instruction of the 2nd SSS is Beam ID.
Optionally, it using 2 times of predetermined periods as a cycle, is sent out in SS block in the preceding half period in the period
That send is PSS and the first SSS, and that sent in SS block in the second half of the cycle in the period is PSS and the 2nd SSS2, or
That sent in SS block in the preceding half period in the period is PSS and the 2nd SSS, the SS in the second half of the cycle in the period
That sent in block is PSS and the first SSS.
Optionally, include a position indication information in the SS block, for helping the center of user's identifying system
The timing information of symbol where frequency point and identification.
Optionally, the position indication information includes indicating the SS block on frequency domain relative to system centre frequency point
The information of position, and/or the information relative to the offset of the initial positions SS burst set in time.
Optionally, the method further includes：
PBCH is sent by the way of beam scanning in specified running time-frequency resource and specified wave beam.
Optionally, specified running time-frequency resource and specified beams are determined according to following information：
The difference for the initial time that the initial time and PSS that PBCH is sent are sent；Or
By the position for detecting the corresponding PBCH of optimal beam of PSS/SSS identifications.
The second aspect of embodiment according to the present invention additionally provides a kind of method of initial cell access, including：
Receive the PSS that base station is sent with predetermined period；
Receive the first SSS or the 2nd SSS that the base station is sent, wherein the PSS and one sent using same beam
A first SSS or the 2nd SSS forms a SS block.
Optionally, PSS and the first SSS or the 2nd SSS are multiplexed in a manner of FDM or TDM.
Optionally, that the sequence instruction of the first SSS is Beam ID, and the sequence instruction of the 2nd SSS is Cell ID；Or
The sequence instruction of first SSS is Cell ID, and the sequence instruction of the 2nd SSS is Beam ID.
Optionally, it using 2 times of predetermined periods as a cycle, is connect in SS block in the preceding half period in the period
That receive is PSS and the first SSS, and that received in SS block in the second half of the cycle in the period is PSS and the 2nd SSS2, or
That received in SS block in the preceding half period in the period is PSS and the 2nd SSS, the SS in the second half of the cycle in the period
That received in block is PSS and the first SSS.
Optionally, include also a position indication information in the SS block, for helping in user's identifying system
The timing information of symbol where heart frequency point and identification.
Optionally, the position indication information includes indicating the SS block on frequency domain relative to system centre frequency point
The information of position, and/or the information relative to the offset of the initial positions SS burst set in time.
Optionally, PBCH is received by the way of beam scanning in specified running time-frequency resource and specified wave beam.
Optionally, specified running time-frequency resource and specified beams are determined according to following information：
The difference for the initial time that the initial time and PSS that PBCH is received receive；Or
By the position for detecting the corresponding PBCH of optimal beam of PSS/SSS identifications.
According to the present invention in terms of the third of embodiment, a kind of device of initial cell access is additionally provided, including：
First sending module, for sending PSS with predetermined period；
Second sending module, for sending the first SSS or the 2nd SSS, wherein the PSS sent using same beam
A SS block is formed with the first SSS or the 2nd SSS.
Optionally, PSS and the first SSS or the 2nd SSS are multiplexed in a manner of FDM or TDM.
Optionally, that the sequence instruction of the first SSS is Beam ID, and the sequence instruction of the 2nd SSS is Cell ID；Or
The sequence instruction of first SSS is Cell ID, and the sequence instruction of the 2nd SSS is Beam ID.
Optionally, it using 2 times of predetermined periods as a cycle, is sent out in SS block in the preceding half period in the period
That send is PSS and the first SSS, and that sent in SS block in the second half of the cycle in the period is PSS and the 2nd SSS2, or
That sent in SS block in the preceding half period in the period is PSS and the 2nd SSS, the SS in the second half of the cycle in the period
That sent in block is PSS and the first SSS.
Optionally, include a position indication information in the SS block, for helping the center of user's identifying system
The timing information of symbol where frequency point and identification.
Optionally, the position indication information includes indicating the SS block on frequency domain relative to system centre frequency point
The information of position, and/or the information relative to the offset of the initial positions SS burst set in time.
Optionally, described device further includes：
Third sending module, for being sent by the way of beam scanning in specified running time-frequency resource and specified wave beam
PBCH。
Optionally, specified running time-frequency resource and specified beams are determined according to following information：
The difference for the initial time that the initial time and PSS that PBCH is sent are sent；Or
By the position for detecting the corresponding PBCH of optimal beam of PSS/SSS identifications.
4th aspect of embodiment according to the present invention additionally provides a kind of device of initial cell access, including：
First receiving module, the PSS sent with predetermined period for receiving base station；
Second receiving module, the first SSS or the 2nd SSS sent for receiving the base station, wherein use same beam
PSS and the first SSS or the 2nd SSS sent forms a SS block.
Optionally, PSS and the first SSS or the 2nd SSS are multiplexed in a manner of FDM or TDM.
Optionally, that the sequence instruction of the first SSS is Beam ID, and the sequence instruction of the 2nd SSS is Cell ID；Or
The sequence instruction of first SSS is Cell ID, and the sequence instruction of the 2nd SSS is Beam ID.
Optionally, it using 2 times of predetermined periods as a cycle, is connect in SS block in the preceding half period in the period
That receive is PSS and the first SSS, and that received in SS block in the second half of the cycle in the period is PSS and the 2nd SSS2, or
That received in SS block in the preceding half period in the period is PSS and the 2nd SSS, the SS in the second half of the cycle in the period
That received in block is PSS and the first SSS.
Optionally, include a position indication information in the SS block, for helping the center of user's identifying system
The timing information of symbol where frequency point and identification.
Optionally, the position indication information includes indicating the SS block on frequency domain relative to system centre frequency point
The information of position, and/or the information relative to the offset of the initial positions SS burst set in time.
Optionally, described device further includes：
Third receiving module, for being received by the way of beam scanning in specified running time-frequency resource and specified wave beam
PBCH。
Optionally, specified running time-frequency resource and specified beams are determined according to following information：
The difference for the initial time that the initial time and PSS that PBCH is received receive；Or
By the position for detecting the corresponding PBCH of optimal beam of PSS/SSS identifications.
A technical solution in above-mentioned technical proposal has the following advantages that or advantageous effect：Base station is sent with predetermined period
PSS；And base station sends the first SSS or the 2nd SSS, wherein PSS and the first SSS sent using same beam
Or the 2nd SSS form a SS block, can effectively support the cell initial of 5G high bands to access, be further able to effective reality
The functions such as existing Time and Frequency Synchronization, character boundary identification, the identification of 10ms frames, wave beam identification.
Description of the drawings
Fig. 1 is the emulation schematic diagram of dual-polarized antenna array in existing 3GPP；
Fig. 2 is the flow chart of the method for the initial cell access in the embodiment of the present invention one；
Fig. 3 is the flow chart of the method for the initial cell access in the embodiment of the present invention two；
Fig. 4 is one of the schematic diagram of SS block in the embodiment of the present invention two；
Fig. 5 is two of the schematic diagram of SS block in the embodiment of the present invention two；
Fig. 6 is three of the schematic diagram of SS block in the embodiment of the present invention two；
Fig. 7 is four of the schematic diagram of SS block in the embodiment of the present invention two；
Fig. 8 is the block diagram of the device of three initial cell of embodiment of the present invention access；
Fig. 9 is the block diagram of the device of four initial cell of embodiment of the present invention access.
Specific implementation mode
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.
For the extensive antenna system of high frequency, without loss of generality, the antenna array of N number of same size can be classified as
Row group (panel), all identical polarized antennas each organized are connected to same number word transceiver channel by phase shifter, therefore
For dual-polarized antenna array, each aerial array group corresponds to two digital transceiver channels.The emulation of 3GPP is assumed at present
As shown in Figure 1.
" SS block ", " SS burst ", " SS burst set " hereinafter are simple to understand：
" SS block ", can be translated as synchronizing signal block, refer to that base station sends a PSS using some wave beam
(Primary Synchronization Signal, primary synchronization signal), SSS (Secondary Synchronization
Signal, secondary synchronization signal) and/or PBCH (Physical Broadcast Channel), terminal can be connect using some wave beam within the time
It receives；
" SS burst " can be translated as one group of synchronous information block, contain several " SS block ", refer to that base station uses wave
The mode of beam scanning sends several PSS, SSS and/or PBCH, and terminal can be received within the time using some wave beam；
Or base station sends PSS, SSS and/or PBCH by the way of repeating, terminal can use the side of beam scanning within the time
Formula receives；
" SS burst set ", can be translated as one group of synchronizing information set of blocks, including several " SS burst ", refer to
Base station sends several PSS, SSS and/or PBCH by the way of beam scanning, and terminal can be swept within the time using wave beam
The mode retouched receives；
Assuming that a base station the wave number number that initial cell access phase uses for 32 (level dimension 8, vertical dimensions 4
A, this is a baseline (baseline) of current RAN1 emulation, actual conditions be possible to lack some or it is more), UE is adopted
Wave beam number is 8 (level dimension 4, vertical dimensions 2).
By high frequency using for 60kHz subcarrier spacings, 1ms interior includes 56 OFDM (orthogonal frequency division multiplexing) symbol
(symbol), it is assumed that as LTE, 1 PRB (Physical Resource Block) includes 12 subcarriers in frequency domain.Assuming that NR-PSS and LTE
(Long Term Evolution, long term evolution) is similar, and 72 subcarriers, i.e. 6 PRB, about 5MHz are occupied in frequency domain, with
For the emulation of present RAN1 is assumed, base station includes 4 panel, therefore can with FDM, (frequency division is multiple on the same symbol
With) mode send 4 wave beams, each wave beam occupies 6 PRB, and each wave beam is only sent by some panel.Therefore 4 waves
Beam needs 24 PRB, about 20MHz in total.
In the time domain, each symbol completes the scanning of 4 wave beams, considers 32 beam terminal of base station, 8 wave beam, is continuously finished
Primary complete base station and terminal joint beam scanning need 32/4 × 8=64 symbol.
The present embodiments relate to the method and apparatus that initial cell in mobile communication system is accessed, and can effectively support 5G
The cell initial of high band accesses, and is further able to effectively realize Time and Frequency Synchronization, character boundary identification, the identification of 10ms frames, wave beam
The functions such as identification.
First embodiment
Referring to Fig. 2, a kind of flow of the method for initial cell access is shown in figure, is as follows：
Step 201 sends PSS using predetermined period；
Above-mentioned predetermined period can be 5ms, be also not limited to this certainly.
Step 202 sends the first SSS or the 2nd SSS, wherein one PSS and one first sent using same beam
SSS or the 2nd SSS forms a SS block.
Optionally, PSS and the first SSS or the 2nd SSS are multiplexed in a manner of FDM or TDM (time division multiplexing).
In the present embodiment, SSS points are two types：First SSS and the 2nd SSS.
It should be noted that the sequencing of step 201 and step 202 is not limited in the present embodiment, such as can be with
First carry out step 201, executing step 202, or can also step 201 and step 202 be performed simultaneously.
In the present embodiment, optionally, the sequence instruction of the first SSS is Beam ID (wave beam mark), the 2nd SSS's
Sequence instruction is Cell ID (cell ID)；Or the first SSS sequence instruction be Cell ID, the sequence of the 2nd SSS
That indicate is Beam ID, can effectively realize that wave beam identifies.
Such as：First SSS is sent using Beam31, and sequence indicates that Beam ID=31, PSS are sent using Beam31, this
One SSS and PSS forms a SS block (SS block type1 as shown in Figure 4).Or the 2nd SSS sent out using Beam31
It send, sequence indicates that Cell ID, PSS are sent using Beam31, and the first SSS and PSS form a SS block (as shown in Figure 4
SS block type2).
In the present embodiment, optionally, using 2 times of predetermined periods as a cycle, (predetermined period 5ms is then with 10ms
A cycle), that sent in preceding half period (preceding 5ms) the interior SS block in the period is PSS and the first SSS, in this week
That sent in second half of the cycle (rear 5ms) interior SS block of phase is PSS and the 2nd SSS2, or half week before the period
That sent in phase (preceding 5ms) interior SS block is PSS and the 2nd SSS, in second half of the cycle (rear 5ms) the interior SS in the period
That sent in block is PSS and the first SSS.
Optionally, a kind of generation method of the sequence of the first SSS and the 2nd SSS is：Continue the generation method of SSS in LTE,
Such as in preceding 5ms, the m-sequence X and Y for being 31 by length, which interweaves, generates the first SSS, in rear 5ms, X and Y exchange after with same
Method generate the 2nd SSS.Maximum can indicate 962 beam ID and 962 cell ID.
In the present embodiment, optionally, include a position indication information in the SS block, for helping user to know
The timing information (timing information) of symbol where the center frequency point of other system and identification, referring to Fig. 5.It can effectively realize symbol
Number Boundary Recognition, the identification of 10ms frames.
Still optionally further, position indication information includes indicating the SS block on frequency domain relative to system centre frequency point
Position information, and/or the information relative to the offset of the initial positions SS burst set in time.
In the present embodiment, optionally, the method further includes：Wave is used in specified running time-frequency resource and specified wave beam
The mode of beam scanning sends PBCH.
Optionally, specified running time-frequency resource and specified beams are determined according to following information：PBCH send initial time with
The difference for the initial time that PSS is sent；Or the position by detecting the corresponding PBCH of optimal beam of PSS/SSS identifications, that is, logical
It crosses detection PSS/SSS and identifies which or which wave beam is optimal beam and corresponding beam ID, it is possible thereby to according to fixed in advance
The good rule of justice determines the position of the corresponding PBCH of the beam.
Second embodiment
Referring to Fig. 3, a kind of flow of the method for initial cell access is shown in figure, is as follows：
Step 301 receives the PSS that base station is sent with predetermined period；
Above-mentioned predetermined period can be 5ms, be also not limited to this certainly.
Step 302 receives the first SSS or the 2nd SSS that the base station is sent, wherein one sent using same beam
A PSS and the first SSS or the 2nd SSS forms a SS block.
Optionally, PSS and the first SSS or the 2nd SSS are multiplexed in a manner of FDM or TDM.
In the present embodiment, SSS points are two types：First SSS and the 2nd SSS.
In the present embodiment, optionally, that the sequence instruction of the first SSS is Beam ID, the sequence instruction of the 2nd SSS
It is Cell ID；Or the first the sequence instruction of SSS be Cell ID, the sequence instruction of the 2nd SSS is Beam ID.
In the present embodiment, optionally, using 2 times of predetermined periods as a cycle (predetermined period 5ms, then with
10ms is a cycle), that received in SS block in the preceding half period in the period is PSS and the first SSS, in the period
Second half of the cycle in that receive in SS block is PSS and the 2nd SSS2, or the SS in the preceding half period in the period
That received in block is PSS and the 2nd SSS, and that received in SS block in the second half of the cycle in the period is PSS and first
SSS。
In the present embodiment, optionally, include a position indication information in the SS block, for helping user to know
The timing information of symbol where the center frequency point of other system and identification.Further, optionally, the position indication information packet
The information for indicating the SS block on frequency domain relative to the position of system centre frequency point is included, and/or in time relative to SS
The information of the offset of the initial positions burst set.
In the present embodiment, optionally, method further includes：It is swept using wave beam in specified running time-frequency resource and specified wave beam
The mode retouched receives PBCH.For example, specified running time-frequency resource and specified beams can be determined according to following information：What PBCH was received
The difference for the initial time that initial time and PSS are received；Or pass through the detection PSS/SSS corresponding PBCH's of optimal beam identified
Position.
3rd embodiment
PSS sends (for example, the period is 5ms) with cycle T 1, and SSS points are two types：SSS1 and SSS2 uses identical wave
PSS and SSS1 or SSS2 that beam is sent form a SS block, and wherein PSS and SSS1 or SSS2 are with FDM or TDM
Mode be multiplexed.
It should be noted that in the present embodiment, SSS1 is referred to as the first SSS, SSS2 is referred to as second
SSS。
The sequence instruction of SSS1 is Beam ID, and the sequence instruction of SSS2 is that the sequence of Cell ID or SSS2 refers to
That show is Beam ID, and the sequence instruction of SSS1 is Cell ID, it should be noted that subsequent descriptions are hypothesis with the former.
With 2 times of T1 (such as 10ms) for a cycle from the point of view of, sent in preceding half period (preceding 5ms) interior SS block
It is PSS and SSS1, that sent in second half of the cycle (rear 5ms) interior SS block is PSS and SSS2, or in preceding half period
That sent in interior SS block is PSS and SSS2, and that sent in SS block in second half of the cycle is PSS and SSS1.
A kind of generation method of SSS1 and SSS2 sequences is：Continue the generation method of SSS in LTE, such as in preceding 5ms,
The m-sequence X and Y for being 31 by length, which interweave, generates SSS1, and in rear 5ms, SSS2 is generated in the same way after X and Y exchanges.Most
962 beam ID and 962 cell ID can be indicated greatly.For example, on a symbol, if sending 4 wave beams, PSS
It needs to occupy 40MHz in total with SSS, if high band minimum system bandwidth is 40MHz, could support up 4 on a symbol
A wave beam FDM multiplexing, if minimum system bandwidth is more than 40MHz, and panel number of base station be also greater than 4, Ke Yizhi
It holds and is more than 4 wave beams multiplexings on a symbol, as shown in Figure 4.
In the present embodiment, can also include a position indication information in SS block, for helping user to identify system
The timing information of symbol where the center frequency point of system and identification.It is, for example, possible to use the information indicates that the SS block exist
Position on frequency domain relative to system centre frequency point, and the offset relative to the initial positions SS burst set in time.
As shown in embodiment described below 2 and 3.
For example, the effective information bit that position is carried is " 01111001 ", wherein front two indicates frequency domain position,
" 01 " indicates the uppermost position in four position candidates of frequency domain, and wherein this four position candidates can be preset；Afterwards six
The position of position instruction in time, it is assumed that each SS block account for a symbol, the time initial position of SS burst set
For the T moment, then the time-domain position of SS block shown in Fig. 5 is (T+57symbol) moment, " 57 " corresponding binary digit
“111001”。
For example, the effective information bit that position is carried is " 01111001 ", wherein front two indicates frequency domain position,
" 01 " indicates the uppermost position in four position candidates of frequency domain, and wherein this four position candidates can be preset；Afterwards six
The position of position instruction in time, it is assumed that each SS block account for 2 symbol (information is preset), SS burst set
Time initial position be the T moment, then the time-domain position of SS block shown in Fig. 6 be (T+57 × 2symbol) moment,
" 57 " corresponding binary digit " 111001 ".
In the present embodiment, base station sends PBCH by the way of beam scanning, which uses on which running time-frequency resource
Wave beam, which sends PBCH, can pass through following information acquisition：
1, the difference for the initial time that the initial time and PSS that PBCH is sent are sent (information pre-defines)；
2, it identifies which or which wave beam is optimal beam and corresponding beam ID by detecting PSS/SSS, thus may be used
To determine the position of the corresponding PBCH of the beam according to the rule pre-defined.
For example, base station uses 4 panel, 32 beam, terminal to use 8 beam, 4 waves are supported on a symbol
Beam FDM multiplexings, there are one preset relations between the initial position of PBCH and the initial position of PSS/SSS2, such as offset is X
The PBCH of a symbol, a wave beam occupy Y symbol.Such as the optimum base station wave beam that terminal is seen is Beam ID 31,
The SS block type 1 that then the beam ID in terminal searching to Fig. 7 are 31 complete Time and Frequency Synchronization, by the sequence for identifying SSS1
Row are known that corresponding base station beam is beam ID31, in the position of corresponding second 5ms of the running time-frequency resource, Ke Yishi
Other SSS2, obtains Cell ID, then can find the corresponding positions PBCH according to X symbol and beam ID 31.
3rd embodiment
Referring to Fig. 8, show that a kind of device of initial cell access, the device 800 include in figure：
First sending module 801, for sending PSS using specified beams with predetermined period；
Second sending module 802, for sending the first SSS or the 2nd SSS using the specified beams, wherein use phase
PSS and the first SSS or the 2nd SSS sent with wave beam forms a SS block.Optionally, wherein PSS and
One SSS or the 2nd SSS are multiplexed in a manner of FDM or TDM.
In the present embodiment, optionally, that the sequence instruction of the first SSS is Beam ID, the sequence instruction of the 2nd SSS
It is Cell ID；Or
The sequence instruction of first SSS is Cell ID, and the sequence instruction of the 2nd SSS is Beam ID.
In the present embodiment, optionally, using 2 times of predetermined periods as a cycle, in the preceding half period in the period
That sent in interior SS block is PSS and the first SSS, and that sent in SS block in the second half of the cycle in the period is PSS
With the 2nd SSS2, or that sent in SS block in the preceding half period in the period is PSS and the 2nd SSS, in the period
Second half of the cycle in that send in SS block is PSS and the first SSS.
In the present embodiment, optionally, include a position indication information in the SS block, for helping user to know
The timing information of symbol where the center frequency point of other system and identification.
In the present embodiment, optionally, the position indication information include indicate the SS block on frequency domain relative to
The information of the position of system centre frequency point, and/or the information relative to the offset of the initial positions SS burst set in time.
In the present embodiment, optionally, described device further includes：
Third sending module, for being sent by the way of beam scanning in specified running time-frequency resource and specified wave beam
PBCH。
In the present embodiment, optionally, specified running time-frequency resource and specified beams are determined according to following information：
The difference for the initial time that the initial time and PSS that PBCH is sent are sent；Or by detecting PSS/SSS identifications most
The position of the corresponding PBCH of excellent wave beam.
Fourth embodiment
Referring to Fig. 9, show that a kind of device of initial cell access, the device 900 include in figure：
First receiving module 901, the PSS sent with predetermined period for receiving base station；
Second receiving module 902, the first SSS or the 2nd SSS sent for receiving the base station, wherein using identical
PSS and the first SSS or the 2nd SSS composition one SS block, wherein PSS and the first SSS or that wave beam is sent
Two SSS are multiplexed in a manner of FDM or TDM.
In the present embodiment, optionally, that the sequence instruction of the first SSS is Beam ID, the sequence instruction of the 2nd SSS
It is Cell ID；Or
The sequence instruction of first SSS is Cell ID, and the sequence instruction of the 2nd SSS is Beam ID.
In the present embodiment, optionally, using 2 times of predetermined periods as a cycle, in the preceding half period in the period
That received in interior SS block is PSS and the first SSS, and that received in SS block in the second half of the cycle in the period is PSS
With the 2nd SSS2, or that received in SS block in the preceding half period in the period is PSS and the 2nd SSS, in the period
Second half of the cycle in that receive in SS block is PSS and the first SSS.
In the present embodiment, optionally, include a position indication information in the SS block, for helping user to know
The timing information of symbol where the center frequency point of other system and identification.
In the present embodiment, optionally, the position indication information include indicate the SS block on frequency domain relative to
The information of the position of system centre frequency point, and/or the information relative to the offset of the initial positions SS burst set in time.
In the present embodiment, optionally, described device further includes：
Third receiving module, for being received by the way of beam scanning in specified running time-frequency resource and specified wave beam
PBCH。
In the present embodiment, optionally, specified running time-frequency resource and specified beams are determined according to following information：
The difference for the initial time that the initial time and PSS that PBCH is received receive；Or
By the position for detecting the corresponding PBCH of optimal beam of PSS/SSS identifications.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is related with embodiment
A particular feature, structure, or characteristic includes at least one embodiment of the present invention.Therefore, occur everywhere in the whole instruction
" in one embodiment " or " in one embodiment " not necessarily refer to identical embodiment.In addition, these specific feature, knots
Structure or characteristic can in any suitable manner combine in one or more embodiments.
In various embodiments of the present invention, it should be appreciated that size of the sequence numbers of the above procedures is not meant to execute suitable
The execution sequence of the priority of sequence, each process should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention
Process constitutes any restriction.
In addition, the terms " system " and " network " are often used interchangeably herein.
It should be understood that the terms "and/or", only a kind of incidence relation of description affiliated partner, expression can deposit
In three kinds of relationships, for example, A and/or B, can indicate：Individualism A exists simultaneously A and B, these three situations of individualism B.
In addition, character "/" herein, it is a kind of relationship of "or" to typically represent forward-backward correlation object.
In embodiment provided herein, it should be appreciated that " B corresponding with A " indicates that B is associated with A, can be with according to A
Determine B.It is also to be understood that determine that B is not meant to determine B only according to A according to A, it can also be according to A and/or other information
Determine B.
In several embodiments provided herein, it should be understood that disclosed method and apparatus, it can be by other
Mode realize.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
For a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine
Or it is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed phase
Coupling, direct-coupling or communication connection between mutually can be by some interfaces, the INDIRECT COUPLING or communication of device or unit
Connection can be electrical, machinery or other forms.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that the independent physics of each unit includes, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can be stored in one and computer-readable deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or network side equipment etc.) executes transmitting-receiving side described in each embodiment of the present invention
The part steps of method.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, letter
Claim ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic disc or CD etc. are various to deposit
Store up the medium of program code.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come
It says, several improvements and modifications can also be made under the premise of not departing from principle of the present invention, these improvements and modifications also exist
In protection scope of the present invention.
Claims (32)
1. a kind of method of initial cell access, which is characterized in that including：
Primary synchronization signal PSS is sent with predetermined period；
Send the first secondary synchronization signal SSS or the 2nd SSS, wherein one PSS and one first sent using same beam
SSS or the 2nd SSS forms a synchronizing signal block SS block.
2. according to the method described in claim 1, it is characterized in that, PSS and the first SSS or the 2nd SSS with frequency division multiplexing FDM or
The mode of time division multiplexing tdm is multiplexed.
3. according to the method described in claim 1, it is characterized in that,
The sequence instruction of first SSS is that wave beam identifies Beam ID, and the sequence instruction of the 2nd SSS is cell ID Cell
ID；Or
The sequence instruction of first SSS is Cell ID, and the sequence instruction of the 2nd SSS is Beam ID.
4. according to the method described in claim 1, it is characterized in that,
Using 2 times of predetermined periods as a cycle, sent in SS block in the preceding half period in the period be PSS and
First SSS, that sent in SS block in the second half of the cycle in the period is PSS and the 2nd SSS2, or in the period
That sent in SS block in preceding half period is PSS and the 2nd SSS, is sent out in SS block in the second half of the cycle in the period
That send is PSS and the first SSS.
5. according to the method described in claim 1, it is characterized in that,
Include a position indication information in the SS block, for helping center frequency point and the identification institute of user's identifying system
In the timing timing information of symbol symbol.
6. according to the method described in claim 5, it is characterized in that, the position indication information includes indicating that the SS block exist
Information on frequency domain relative to the position of system centre frequency point, and/or in time relative to the initial positions SS burst set
Offset information.
7. according to the method described in claim 1, it is characterized in that, the method further includes：
PBCH is sent by the way of beam scanning in specified running time-frequency resource and specified wave beam.
8. the method according to the description of claim 7 is characterized in that determining specified running time-frequency resource according to following information and specifying
Wave beam：
The difference for the initial time that the initial time and PSS that Physical Broadcast Channel PBCH is sent are sent；Or
By the position for detecting the corresponding PBCH of optimal beam of PSS/SSS identifications.
9. a kind of method of initial cell access, which is characterized in that including：
Receive the PSS that base station is sent with predetermined period；
Receive the first SSS or the 2nd SSS that the base station is sent, wherein send using same beam one PSS and one the
One SSS or the 2nd SSS forms a SS block.
10. according to the method described in claim 9, it is characterized in that, PSS and the first SSS or the 2nd SSS are with the side of FDM or TDM
Formula is multiplexed.
11. according to the method described in claim 9, it is characterized in that,
The sequence instruction of first SSS is Beam ID, and the sequence instruction of the 2nd SSS is Cell ID；Or
The sequence instruction of first SSS is Cell ID, and the sequence instruction of the 2nd SSS is Beam ID.
12. according to the method described in claim 9, it is characterized in that,
Using 2 times of predetermined periods as a cycle, received in SS block in the preceding half period in the period be PSS and
First SSS, that received in SS block in the second half of the cycle in the period is PSS and the 2nd SSS2, or in the period
That received in SS block in preceding half period is PSS and the 2nd SSS, is connect in SS block in the second half of the cycle in the period
That receive is PSS and the first SSS.
13. according to the method described in claim 9, it is characterized in that,
Include also a position indication information in the SS block, for helping center frequency point and the identification of user's identifying system
The timing information of place symbol.
14. according to the method for claim 13, which is characterized in that the position indication information includes indicating the SS block
Information on frequency domain relative to the position of system centre frequency point, and/or in time relative to SS burst set start bits
The information for the offset set.
15. according to the method described in claim 9, it is characterized in that, using wave in specified running time-frequency resource and specified wave beam
The mode of beam scanning receives PBCH.
16. according to the method for claim 15, which is characterized in that determine specified running time-frequency resource according to following information and refer to
Standing wave beam：
The difference for the initial time that the initial time and PSS that PBCH is received receive；Or
By the position for detecting the corresponding PBCH of optimal beam of PSS/SSS identifications.
17. a kind of device of initial cell access, which is characterized in that including：
First sending module, for sending PSS with predetermined period；
Second sending module, for sending the first SSS or the 2nd SSS, wherein the PSS and one sent using same beam
A first SSS or the 2nd SSS forms a SS block.
18. device according to claim 17, which is characterized in that PSS and the first SSS or the 2nd SSS are with FDM's or TDM
Mode is multiplexed.
19. device according to claim 17, which is characterized in that
The sequence instruction of first SSS is Beam ID, and the sequence instruction of the 2nd SSS is Cell ID；Or
The sequence instruction of first SSS is Cell ID, and the sequence instruction of the 2nd SSS is Beam ID.
20. device according to claim 17, which is characterized in that
Using 2 times of predetermined periods as a cycle, sent in SS block in the preceding half period in the period be PSS and
First SSS, that sent in SS block in the second half of the cycle in the period is PSS and the 2nd SSS2, or in the period
That sent in SS block in preceding half period is PSS and the 2nd SSS, is sent out in SS block in the second half of the cycle in the period
That send is PSS and the first SSS.
21. device according to claim 17, which is characterized in that
Include a position indication information in the SS block, for helping center frequency point and the identification institute of user's identifying system
In the timing information of symbol.
22. device according to claim 21, which is characterized in that the position indication information includes indicating the SS block
Information on frequency domain relative to the position of system centre frequency point, and/or in time relative to SS burst set start bits
The information for the offset set.
23. device according to claim 17, which is characterized in that described device further includes：
Third sending module, for sending PBCH by the way of beam scanning in specified running time-frequency resource and specified wave beam.
24. device according to claim 23, which is characterized in that determine specified running time-frequency resource according to following information and refer to
Standing wave beam：
The difference for the initial time that the initial time and PSS that PBCH is sent are sent；Or
By the position for detecting the corresponding PBCH of optimal beam of PSS/SSS identifications.
25. a kind of device of initial cell access, which is characterized in that including：
First receiving module, the PSS sent with predetermined period for receiving base station；
Second receiving module, the first SSS or the 2nd SSS sent for receiving the base station, wherein sent using same beam
PSS and the first SSS or the 2nd SSS form a SS block.
26. device according to claim 25, which is characterized in that PSS and the first SSS or the 2nd SSS are with FDM's or TDM
Mode is multiplexed.
27. device according to claim 25, which is characterized in that
The sequence instruction of first SSS is Beam ID, and the sequence instruction of the 2nd SSS is Cell ID；Or
The sequence instruction of first SSS is Cell ID, and the sequence instruction of the 2nd SSS is Beam ID.
28. device according to claim 25, which is characterized in that
Using 2 times of predetermined periods as a cycle, received in SS block in the preceding half period in the period be PSS and
First SSS, that received in SS block in the second half of the cycle in the period is PSS and the 2nd SSS2, or in the period
That received in SS block in preceding half period is PSS and the 2nd SSS, is connect in SS block in the second half of the cycle in the period
That receive is PSS and the first SSS.
29. device according to claim 25, which is characterized in that
Include a position indication information in the SS block, for helping center frequency point and the identification institute of user's identifying system
In the timing information of symbol.
30. device according to claim 29, which is characterized in that the position indication information includes indicating the SS block
Information on frequency domain relative to the position of system centre frequency point, and/or in time relative to SS burst set start bits
The information for the offset set.
31. device according to claim 25, which is characterized in that described device further includes：
Third receiving module, for receiving PBCH by the way of beam scanning in specified running time-frequency resource and specified wave beam.
32. device according to claim 31, which is characterized in that determine specified running time-frequency resource according to following information and refer to
Standing wave beam：
The difference for the initial time that the initial time and PSS that PBCH is received receive；Or
By the position for detecting the corresponding PBCH of optimal beam of PSS/SSS identifications.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710009733.5A CN108282842B (en) | 2017-01-06 | 2017-01-06 | Method and device for accessing initial cell |
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|---|---|---|---|
| CN201710009733.5A CN108282842B (en) | 2017-01-06 | 2017-01-06 | Method and device for accessing initial cell |
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| CN108282842B CN108282842B (en) | 2021-04-13 |
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| CN110971281A (en) * | 2018-09-28 | 2020-04-07 | 电信科学技术研究院有限公司 | Beam scanning method, beam configuration method, terminal and network equipment |
| CN111464474A (en) * | 2019-01-18 | 2020-07-28 | 成都华为技术有限公司 | Signal transmission method and related equipment thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109496438A (en) * | 2018-09-27 | 2019-03-19 | 北京小米移动软件有限公司 | The method and device of transmission synchronizing indication information |
| WO2020061929A1 (en) * | 2018-09-27 | 2020-04-02 | 北京小米移动软件有限公司 | Method and device for transmitting synchronization indication information |
| CN109496438B (en) * | 2018-09-27 | 2022-06-24 | 北京小米移动软件有限公司 | Method and device for transmitting synchronization indication information |
| US11910334B2 (en) | 2018-09-27 | 2024-02-20 | Beijing Xiaomi Mobile Software Co., Ltd. | Method and device for transmitting synchronization indication information |
| CN110971281A (en) * | 2018-09-28 | 2020-04-07 | 电信科学技术研究院有限公司 | Beam scanning method, beam configuration method, terminal and network equipment |
| CN110971281B (en) * | 2018-09-28 | 2021-11-23 | 大唐移动通信设备有限公司 | Beam scanning method, beam configuration method, terminal and network equipment |
| CN111464474A (en) * | 2019-01-18 | 2020-07-28 | 成都华为技术有限公司 | Signal transmission method and related equipment thereof |
| CN111464474B (en) * | 2019-01-18 | 2021-08-31 | 成都华为技术有限公司 | Signal transmission method and related equipment thereof |
| US11910336B2 (en) | 2019-01-18 | 2024-02-20 | Huawei Technologies Co., Ltd. | Signal transmission method and related device |
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|---|---|
| CN108282842B (en) | 2021-04-13 |
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