CN109510693A - A kind of method, base station and terminal generating preamble sequence - Google Patents
A kind of method, base station and terminal generating preamble sequence Download PDFInfo
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- CN109510693A CN109510693A CN201710814488.5A CN201710814488A CN109510693A CN 109510693 A CN109510693 A CN 109510693A CN 201710814488 A CN201710814488 A CN 201710814488A CN 109510693 A CN109510693 A CN 109510693A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0055—ZCZ [zero correlation zone]
- H04J13/0059—CAZAC [constant-amplitude and zero auto-correlation]
- H04J13/0062—Zadoff-Chu
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
- H04L27/2692—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with preamble design, i.e. with negotiation of the synchronisation sequence with transmitter or sequence linked to the algorithm used at the receiver
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- Engineering & Computer Science (AREA)
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The embodiment of the present invention provides a kind of method, base station and terminal for generating preamble sequence, cyclic shift table for solving LTE system can not be multiplexed newly eats dishes without rice or wine in NR system in the following 5G, so as to cause the technical issues of can not supporting 5G NR system largest cell radius.This method includes the format information that base station determines NR lead code of newly eating dishes without rice or wine；The base station determines the cyclic shift configuration information of corresponding preamble sequence based on the format information and preset rules of the NR lead code；The base station sends the cyclic shift configuration information of the preamble sequence to terminal, and the cyclic shift configuration information for triggering format information and the preamble sequence of the terminal based on the NR lead code generates and sends corresponding preamble sequence.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of method, base station and terminals for generating preamble sequence.
Background technique
5th third-generation mobile communication technology (5-Generation, 5G) is newly eated dishes without rice or wine before the random access in (New Radio, NR)
Leading code uses Zadoff-Chu (ZC) sequence, generates different lead codes by the different cyclic shifts of the same ZC basic sequence
Sequence, to meet the system design considerations for supporting multiple preamble sequences in each cell.
The lead code form 3 of NR long sequence (length L=839) is as shown in table 13.
Table 13
The lead code form of the short sequence (length L=139/127) of NR is as shown in table 14.
Table 14
Wherein, Ts indicates that sample point, TA indicate Timing Advance (Timing Advance, TA).For SCS=15KHz,
Ts=1/30720ms；For SCS=30KHz, Ts=1/ (2*30720) ms；For SCS=60KHz, Ts=1/ (4*30720)
Ms, for SCS=120KHz, Ts=1/ (8*30720) ms.
In long term evolution (Long Term Evolution, LTE) system, lead code form 0~3 (length L=839)
Preamble sequence cyclic shift configuration form it is as shown in Table 15.
Table 15
The cyclic shift configuration form of the preamble sequence of LTE lead code form 4 (L=139) is as shown in table 16, wherein N/
A is expressed as value herein and temporarily reserves, and does not use.
Table 16
By taking the short sequence lead code of the NR of length L=139, SCS=15kHz as an example, what different cyclic shift Ncs can be supported
Largest cell radius R can calculate as follows:
R=round (c* ((Ncs-ng) * T_SEQ_eff/Nzc-Delay)/2)
Wherein, ng is filter length, and Nzc=139 is the length of preamble sequence, and the Delay in formula is the short sequence of NR
The maximum delay extension that column lead code assumes, c=3.0*10^8 (m/s) indicate that the light velocity, T_SEQ_eff=T_SEQ/N_OS are
One leading orthogonal frequency division multiplexing (Orthogonal Frequency Division Multiplexing, OFDM) symbol,
Middle T_SEQ and N_OS is provided in table 14, and Ncs is the cyclic shift value from table 16, and round () indicates that is rounded up takes
Whole operation.
If being multiplexed the Ncs value of LTE lead code form 4, largest cell radius can be respectively obtained in table 17 and table 18,
Wherein, corresponding maximum delay extension Delay difference value is 0us, 1.56us, 3.13us and 4.69us, and table 17 assumes ng
=0, table 18 assumes ng=2.As shown in table 17 and table 18, is not considering filter length (i.e. ng=0) and there is no delay extension
Under " ideal " assumed condition of (i.e. Delay=0us), if multiplexing uses the identical Ncs Configuration Values of LTE lead code form 4, no
Energy support is more than the largest cell radius target value of 1079m.But being somebody's turn to do " ideal " hypothesis is to be unable to satisfy in actual scene
's.Under filter length (i.e. ng=2) and the practical assumed condition of actual delay extension (Delay=3.11us), if multiple
With the identical Ncs Configuration Values of LTE lead code form 4, cannot support be more than 466m largest cell radius target value.
Table 17
Table 18
In summary, it is either directed to the lead code form 3 of NR long sequence (L=839), or is directed to the short sequence (L=of NR
139/127) lead code form A, B and C, all there are no readily available cyclic shift tables in system in future, if continued to use
The cyclic shift table of LTE there are problems that not supporting largest cell radius.
Summary of the invention
The embodiment of the present invention provides a kind of method, base station and terminal for generating preamble sequence, to solve LTE system
Cyclic shift table can not be multiplexed newly eats dishes without rice or wine in NR system in the following 5G, so as to cause can not support 5G NR system most size
The technical issues of area's radius.
In a first aspect, the embodiment of the present invention provides a kind of method for generating preamble sequence, comprising:
Base station determines the format information for NR lead code of newly eating dishes without rice or wine；
The base station determines following for corresponding preamble sequence based on the format information and preset rules of the NR lead code
Ring shift configuration information；
The base station sends the cyclic shift configuration information of the preamble sequence to terminal, triggers the terminal and is based on institute
The cyclic shift configuration information of the format information and the preamble sequence of stating NR lead code generates and sends corresponding lead code
Sequence.
Second aspect, the embodiment of the present invention provide another method for generating preamble sequence, comprising:
Terminal receives the cyclic shift configuration information for the preamble sequence that base station is sent；
The format information of cyclic shift configuration information and NR lead code of the terminal based on the preamble sequence generates
Corresponding preamble sequence；
The terminal sends the preamble sequence.
The third aspect, the embodiment of the present invention provide a kind of base station, and the base station includes:
First determining module, for determining the format information for NR lead code of newly eating dishes without rice or wine；
Second determining module, for based on the NR lead code format information and preset rules determine corresponding lead code
The cyclic shift configuration information of sequence；
Sending module triggers the terminal for sending the cyclic shift configuration information of the preamble sequence to terminal
The cyclic shift configuration information of format information and the preamble sequence based on the NR lead code generates and sends accordingly
Preamble sequence.
Fourth aspect, the embodiment of the present invention provide a kind of terminal, comprising:
Receiving module, the cyclic shift configuration information of the preamble sequence for receiving base station transmission；
Generation module is believed for the cyclic shift configuration information based on the preamble sequence and the format of NR lead code
Breath, generates corresponding preamble sequence；
Sending module, for sending the preamble sequence.
5th aspect, the embodiment of the present invention provide a kind of base station, comprising:
At least one processor, and
The memory that is connect at least one described processor communication, communication interface；
Wherein, the memory is stored with the instruction that can be executed by least one described processor, described at least one
The instruction that device is stored by executing the memory is managed, the method for communication interface execution as described in relation to the first aspect is utilized.
6th aspect, the embodiment of the present invention provide a kind of terminal, comprising:
At least one processor, and
The memory that is connect at least one described processor communication, communication interface；
Wherein, the memory is stored with the instruction that can be executed by least one described processor, described at least one
The instruction that device is stored by executing the memory is managed, the communication interface is utilized to execute the method as described in second aspect.
7th aspect, the embodiment of the present invention provide a kind of computer readable storage medium, the computer-readable storage medium
Matter is stored with computer instruction, when the computer instruction is run on computers, so that computer executes such as first aspect
With method described in second aspect.
One or more technical solutions in above-mentioned technical proposal, at least have the following technical effects or advantages:
A kind of method generating preamble sequence provided in an embodiment of the present invention, base station determine the lattice for NR lead code of newly eating dishes without rice or wine
Formula information, base station determine that the cyclic shift of corresponding preamble sequence configures based on the format information and preset rules of NR lead code
Information, base station send the cyclic shift configuration information of preamble sequence to terminal, and triggering terminal is believed based on the format of NR lead code
The cyclic shift configuration information of breath and preamble sequence generates and sends corresponding preamble sequence, guarantees connecing at random for 5G NR
Entering mechanism can operate normally, and solve the lead code form 3 and the short sequence of NR (L=139/127) of NR long sequence (L=839)
Lead code form A/B/C existing for can not be multiplexed existing LTE preamble sequence cyclic shift the problem of, and then can prop up
Hold the largest cell radius of 5G NR.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Attached drawing is briefly described, it should be apparent that, attached drawing described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of flow diagram for the method for generating preamble sequence in the embodiment of the present invention；
Fig. 2 is the flow diagram of another method for generating preamble sequence in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of base station in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of terminal in the embodiment of the present invention.
Specific embodiment
In order to keep the purposes, technical schemes and advantages of the embodiment of the present invention clearer, implement below in conjunction with the present invention
Attached drawing in example, technical scheme in the embodiment of the invention is clearly and completely described.
Firstly, the general thought to the embodiment of the present invention is described below.
Since the cyclic shift value of existing LTE preamble sequence and corresponding cyclic shift configuration information can not be multiplexed
In 5G system, therefore, the embodiment of the present invention is according to key parameter, such as delay extension, guard time interval and filter length
Deng, design can be applied to preamble sequence in 5G system cyclic shift value and corresponding configuration information so that be directed to NR
It is the lead code form A of the lead code form 3 and the short sequence of NR (length L=139 or L=127) of long sequence (length L=839), preceding
Any lead code form in leading code format B and lead code form C, before being generated accordingly according to cyclic shift configuration information
Code-guiding sequence, and then can support the largest cell radius of the format.
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing.
Embodiment one
Referring to Figure 1, it is a kind of method for generating preamble sequence provided in an embodiment of the present invention, can be applied to base station
In, the process of this method can be described as follows:
S101: base station determines the format information for NR lead code of newly eating dishes without rice or wine；
S102: base station determines that the circulation of corresponding preamble sequence is moved based on the format information and preset rules of NR lead code
Position configuration information；
S103: base station sends the cyclic shift configuration information of preamble sequence to terminal, and triggering terminal is based on NR lead code
Format information and the cyclic shift configuration information of preamble sequence generate and send corresponding preamble sequence.
In S101, base station can binding relationship between basis and Downlink Control Information, determine the format of NR lead code
Information, wherein the format information of NR lead code may include the information such as SCS, OFDM symbol number and preamble sequence, Ke Yiyong
In the lead code form of instruction NR lead code, such as working as NR lead code is NR long sequence (length L=839), can be corresponded to such as table
Lead code form 3 shown in 13；When NR lead code be the short sequence of NR (length L=139 or L=127), 14 institute of table can be corresponded to
Any format in lead code form A, lead code form B and lead code form C shown.
In practical applications, the value set of the format information of NR lead code can be terminal and base station makes an appointment,
And the format information of current specific NR lead code to be taken can be and notify terminal by base station, or be also possible to terminal and
What base station was made an appointment, specially which kind of mode can according to the actual situation depending on, the embodiment of the present invention is with no restriction.
Subsequently into S102, i.e. base station can determine corresponding according to the format information and preset rules of determining NR lead code
Preamble sequence cyclic shift configuration information.
In one possible implementation, preset rules can be such that the different value for Ncs, each NR lead code
The sequence length of corresponding lead code is different；For the different value of Ncs, the number of the preamble sequence of each sequence should be
Different；According to NR Physical Random Access Channel (Physical Random Access Channel, PRACH) lead code form
Largest cell radius range, Ncs value after quantization minimizes the error with the corresponding radius of society of Ncs value before not quantifying,
Wherein, quantization can be expressed as using 3 or 4 bit indications, and Ncs possibly can not obtain all values from 0 to Nzc-1 later,
And it can only be using the discrete value being quantized.
It is then possible to which that is, base station is to the cyclic shift configuration information of terminal transmission preamble sequence, and triggering is eventually into S103
End group generates and sends corresponding lead code in the format information of NR lead code and the cyclic shift configuration information of preamble sequence
Sequence.
In one possible implementation, base station determines corresponding according to the format information and preset rules of NR lead code
The cyclic shift configuration information of preamble sequence may include but be not limited only to following two mode.
If mode one, NR lead code are NR long sequence, it is determined that the cyclic shift configuration information of preamble sequence are as follows: include
N1 bit data, N1 bit data are at least used to indicate Ncs value and corresponding largest cell radius, and N1 is more than or equal to 1
Positive integer.
For example, it is 4 perhaps 3 i.e. 4 bit datas or 3 bits that N1, which can be set, in base station if NR lead code is NR long sequence
The cyclic shift configuration information of data configuration preamble sequence, wherein can be with NR lead code form 0 when 4 bit data of setting
~1 uses identical 4 bit configuration, and whether base station can be according to being currently the most size for being restricted set A/B and system and designing
Area's radius, to determine the format information of selected NR lead code.
If mode two, NR lead code are the short sequence of NR, it is determined that the cyclic shift configuration information of preamble sequence are as follows: including
N2 bit data, N2 bit data are at least used to indicate the format information of NR lead code, Ncs value, delay extension, NR lead code
One of corresponding preamble sequence length or any combination, the N2 are the positive integer more than or equal to 1.
For example, it is 4 or 3 that N2, which can be set, in base station if NR lead code is NR short sequence, i.e. 4 bit datas or 3 bit numbers
According to the cyclic shift configuration information of configuring preamble code sequence, wherein, can for different delay extensions when using 4 bit data
It, can be according to different maximum delay spread value point with the same cyclic shift configuration information of use, and when 3 bit data of use
Cyclic shift configuration information that Cai Yong be not different.
In one possible implementation, the cyclic shift configuration information of preamble sequence may include but be not limited only to
It is several below:
The first is less than or equal to the value of T1, delay extension for the value of delay extension if NR lead code is NR long sequence
Greater than T1 and it is less than or equal to T2, the cyclic shift configuration information for the preamble sequence that N1 bit data indicates indicates lead code
The cyclic shift value of the unrestricted set of sequence, first are restricted the cyclic shift value of set and/or second are restricted set
Cyclic shift value；Cyclic shift value combination NR preamble sequence length and subcarrier spacing SCS have indicated collectively following parameter
One of or any combination: unrestricted set and corresponding largest cell radius, first are restricted set and corresponding maximum
Radius of society and second is restricted set and corresponding largest cell radius；T2 is the positive real number greater than T1.
For example, if NR lead code is NR long sequence, the cyclic shift configuration information of preamble sequence can be with are as follows: packet
Containing 3 bit datas, 3 bit datas be at least used to indicate Ncs value limited manner and corresponding largest cell radius.
Wherein, 8 kinds of cyclic shift configuring conditions can be indicated using 3 bit datas.
For example, consider two different delay extensions:
Option 1) delay extension=5.2/4=1.3us, that is, taking T1 is 1.3, wherein 4 be the ratio of 1.25KHz and 5KHz；
Option 2) delay extension=5.2us, that is, it is the maximum duration of normal CP that taking T2, which is 5.2,.
For option 1), the instruction of 3 bit datas, it is less than or equal to 1.3us preamble sequence for the value of delay extension
Cyclic shift configuration information can be as shown in table 1.
Table 1
Wherein, the zero correlation block configuration of territory ZerocorrelationZoneConfig in table 1 and table of the embodiment of the present invention can
To indicate the index of cyclic shift configuration information.
For option 2), the instruction of 3 bit datas, it is greater than 1.3us for the value of delay extension and is less than or equal to 5.2us
Preamble sequence cyclic shift configuration information it is as shown in table 2.
Table 2
Wherein, for above-mentioned two option, Ncs and largest cell radius provide identical as LTE format 0~3 in table 15
Ncs format.When cyclic shift value be 13 (0.2km) to 46 (1.38km) when, the largest cell radius of support is too small, and before NR
Leading code format 3 is mainly used in High-speed Circumstance, and corresponding radius of society is typically all to be greater than 1.38km.It therefore, there is no need to using 4
A configuration bit indicates zero correlation region (Zero Correlation Zone, ZCZ).Therefore, the present embodiment is matched using 3
Bit is set to support the cyclic shift value of from 59 (1.84km) to 419 (14.72km), and synchronous vacations are restricted collection.
If NR lead code is NR long sequence, the cyclic shift configuration information of preamble sequence can be with are as follows:
Comprising 4 bit datas, 4 bit datas at least can serve to indicate that Ncs value limited manner and it is corresponding most
Big radius of society.
Wherein, 16 kinds of cyclic shift configuring conditions can be indicated using 4 bit datas.4 bits are kept and NR lead code lattice
Formula 0~2 uses identical configuration bit number, but base station can shield certain cyclic shifts according to the delay extension of hypothesis
Configuration.
The embodiment of the present invention considers two different delay extensions, determines that the cyclic shift of preamble sequence matches confidence respectively
Breath.
Option 1) delay extension=5.2/4=1.3us, i.e. T1 takes 1.3, wherein 4 be the ratio of 1.25KHz and 5KHz；
Option 2) delay extension=5.2us, i.e. it is the maximum duration of normal CP that T2, which takes 5.2,.
For option 1), the instruction of 4 bit datas, the preamble sequence of 1.3us is less than or equal to for the value of delay extension
Cyclic shift configuration information it is as shown in table 3:
Table 3
For option 2), the instruction of 4 bit datas, it is greater than 1.3us for the value of delay extension and is less than or equal to 5.2us
Preamble sequence cyclic shift configuration information it is as shown in table 4:
Table 4
Wherein, as shown in Table 15, when cyclic shift value be 13 (0.2km) to 46 (1.38km) when, the largest cell of support
Radius is too small, and NR lead code form 3 is mainly used in High-speed Circumstance, and corresponding radius of society is typically all to be greater than 1.38km.
Therefore, although the present embodiment has been multiplexed 0~2 identical 4 configuration bit of lead code form to indicate the ZCZ of cyclic shift.But
It is that base station can shield the configuration of certain cyclic shifts according to the delay extension of hypothesis.
Second, if NR lead code is the short sequence of NR, the value of T3, delay extension are less than or equal to for the value of delay extension
Greater than T3 and it is less than or equal to the value of T4 and delay extension greater than T4 and is less than or equal to T5, what N2 bit data indicated
The cyclic shift configuration information of the preamble sequence indicates the cyclic shift value of preamble sequence, cyclic shift value combination NR
Preamble sequence length, filter length ng and subcarrier spacing SCS have indicated collectively largest cell radius and/or each sequence
Arrange corresponding preamble sequence number；T3, T4 and T5 are positive real number, and size relation are as follows: 0 < T3 < T4 < T5.
For example, if NR lead code is the short sequence of NR (L=139), the cyclic shift configuration information of preamble sequence
It can be with are as follows:
Including 3 bit datas, 3 bit datas at least can serve to indicate that the format information of NR lead code, Ncs value, prolong
Extension late, one of the sequence length of the corresponding lead code of NR lead code or any combination.
The embodiment of the present invention can extend demand according to the different delays of short sequence, separately design different cyclic shifts and match
Confidence breath.
When NR lead code is NR short sequence, format information A, B and C of corresponding NR lead code can respectively correspond different
Delay spread Delay value, such as it is 3.13us, extended formatting that the corresponding Delay of A0, which is the corresponding Delay of 1.56us, A1 and B1,
Corresponding Delay is 4.69us.For above three difference Delay value (1.56/3.13/4.69us), three kinds are separately designed not
Same cyclic shift configuration information.
NR lead code is the short sequence of NR, and delay extension is 1.56us, i.e. T3 value 1.56, then 3 bit datas indicate,
The cyclic shift configuration information of preamble sequence of the value of delay extension less than or equal to 1.56us can be as shown in table 5:
Table 5
If NR lead code is the short sequence of NR, and delay extension is 3.13us, i.e., T4 value is 3.13, then 3 bit datas refer to
Show, the value of delay extension is greater than 1.56us and the cyclic shift configuration information of the preamble sequence less than or equal to 3.13us can
With as shown in table 6:
Table 6
If NR lead code is the short sequence of NR, and delay extension is 4.69us, i.e., T5 value is 4.69, then 3 bit datas refer to
Show, the value of delay extension is greater than 3.13us and is less than or equal to the cyclic shift configuration information of the preamble sequence of 4.69us such as
Shown in table 7:
Table 7
The third is extended, N2 bit data table if NR lead code is the short sequence of NR for the different delays of NR lead code
The cyclic shift configuration information of the preamble sequence shown indicates the cyclic shift value of preamble sequence, cyclic shift value combination NR
Preamble sequence length, filter length ng and subcarrier spacing SCS have indicated collectively largest cell radius and/or each sequence
Arrange corresponding preamble sequence number.
If NR lead code is the short sequence of NR (L=139), it is determined that the cyclic shift configuration information of preamble sequence are as follows:
Including 4 bit datas, 4 bit datas be at least used to indicate Ncs value, delay extension, NR lead code it is corresponding before
One of sequence length of leading code or any combination.
The embodiment of the present invention extends demand for the different delays of short sequence, can design same cyclic shift with confidence
Breath, is described in detail below:
The minimum value (Ncs=0 corresponds to L=139) of Ncs is to allow to have 1 Zadoff- from single root sequence
The minimum value of Chu sequence.Ignore the influence of filter length ng and delay extension, the largest cell radius of support is (3.0*10^
8* ((139-0) * (2048/30.72*10^6)/139-0)/2)=10km.
The maximum value of Ncs is the value for allowing to have 2 Zadoff-Chu sequences from single root sequence, corresponds to lead code sequence
Column length L=139, at this time Ncs=69.Ignore the influence of filter length and delay extension, the largest cell that Ncs=69 is supported
Radius is: (3.0*10^8* ((69-0) * (2048/30.72*10^6)/139-0)/2)=4.96km.
Short leading format A, B and C that NR is defined are there are three types of different Delay values, such as the corresponding Delay of A0 is
The corresponding Delay of 1.56us, A1 and B1 is 3.13us, and the corresponding Delay of extended formatting is 4.69us.It is short leading designed for NR
The Ncs of code format has following two option.
Option 1: using the table of 3 difference Delay, respectively 1.56/3.13/4.69us configures 3 bits.These tables
Lattice provide in table 5, table 6 and table 7, it is assumed that are ng=2, which is not described herein again.
Option 2: using single table, configures 4 bits.The hypothesis of ng=0 and 2 is set forth in table 8 and table 9.
Assuming that SCS=15KHz, ng=0, then extend for the different delays of NR lead code, 4 bit datas are indicated leading
The cyclic shift configuration information of code sequence is as shown in table 8.
Table 8
If SCS=15KHz, ng=2, then extended for the different delays of NR lead code, the lead code of 4 bit datas instruction
The cyclic shift configuration information of sequence is as shown in table 9.
Table 9
If SCS=30KHz, ng=2, then extended for the different delays of NR lead code, the lead code of 4 bit datas instruction
The cyclic shift configuration information of sequence is as shown in table 10.
Table 10
If SCS=60KHz, ng=2, then extended for the different delays of NR lead code, the lead code of 4 bit datas instruction
The cyclic shift configuration information of sequence is as shown in table 11.
Table 11
If SCS=120KHz, ng=2, then extended for the different delays of NR lead code, 4 bit datas indicate leading
The cyclic shift configuration information of code sequence is as shown in table 12.
Table 12
A kind of method generating preamble sequence provided in an embodiment of the present invention, base station determine the lattice for NR lead code of newly eating dishes without rice or wine
Formula information, base station determine that the cyclic shift of corresponding preamble sequence configures based on the format information and preset rules of NR lead code
Information, base station send the cyclic shift configuration information of preamble sequence to terminal, and triggering terminal is believed based on the format of NR lead code
The cyclic shift configuration information of breath and preamble sequence generates and sends corresponding preamble sequence, guarantees connecing at random for 5G NR
Entering mechanism can operate normally, and solve the lead code form 3 and the short sequence of NR (L=139/127) of NR long sequence (L=839)
Lead code form A/B/C existing for the problem of can not being multiplexed the lead code cyclic shift of existing LTE, and then can support maximum
Radius of society.
Embodiment two
Fig. 2 is referred to, based on the same inventive concept, the embodiment of the present invention provides a kind of method for generating preamble sequence,
It can be applied to terminal, the process of this method can be described as follows:
S201: terminal receives the cyclic shift configuration information for the preamble sequence that base station is sent；
S202: the format information of cyclic shift configuration information and NR lead code of the terminal based on preamble sequence generates phase
The lead code answered；
S203: terminal sends lead code.
In the embodiment of the present invention, terminal can by remaining system information (Remaining System Information,
RMSI the cyclic shift configuration information of the preamble sequence sent by base station) is received, and the format information of NR lead code can be
Terminal and base station are pre-set, or are also possible to base station and lead to together to terminal when sending cyclic shift configuration information
Know, then, terminal can generate corresponding according to the cyclic shift configuration information of preamble sequence and the format information of NR lead code
Lead code and send lead code.
In one possible implementation, if the NR lead code is NR long sequence, the preamble sequence is followed
Ring shift configuration information are as follows: include N1 bit data, the N1 bit data is at least used to indicate the Ncs value and corresponding
Largest cell radius, the N1 is positive integer more than or equal to 1；Alternatively,
If the NR lead code is the short sequence of NR, the cyclic shift configuration information of the preamble sequence are as follows: including N2
Bit data, it is leading that the N2 bit data is at least used to indicate the format information of NR lead code, Ncs value, delay extension, NR
One of corresponding preamble sequence length of code or any combination, the N2 are the positive integer more than or equal to 1.
In one possible implementation, small for the value of delay extension if the NR lead code is NR long sequence
It is greater than T1 in the value for being equal to T1, delay extension and is less than or equal to T2, the preamble sequence that the N1 bit data indicates
Cyclic shift configuration information indicate preamble sequence unrestricted set cyclic shift value, first be restricted set
Cyclic shift value and/or second be restricted set cyclic shift value；The cyclic shift value combination NR preamble sequence length
One of following parameter or any combination have been indicated collectively with subcarrier spacing SCS: unrestricted set and corresponding maximum
Radius of society, first, which are restricted set and corresponding largest cell radius and second, is restricted set and corresponding largest cell radius；
The T2 is the positive real number greater than the T1.
In one possible implementation, small for the value of delay extension if the NR lead code is the short sequence of NR
Be greater than T4 in the value that the value for being equal to T3, delay extension is greater than T3 and is less than or equal to T4 and delay extension and be less than etc.
Following for preamble sequence is indicated in the cyclic shift configuration information for the preamble sequence that T5, the N2 bit data are indicated
Ring shift value, the cyclic shift value combination NR preamble sequence length, filter length ng and subcarrier spacing SCS refer to jointly
Largest cell radius and/or the corresponding preamble sequence number of each sequence are shown；The T3, the T4 and the T5 are
Positive real number, and size relation are as follows: 0 < T3 < T4 < T5.
In one possible implementation, if the NR lead code is the short sequence of NR, for the NR lead code
Different delays extension, the cyclic shift configuration information for the preamble sequence that the N2 bit data indicates indicate lead code
The cyclic shift value of sequence, the cyclic shift value combination NR preamble sequence length, filter length ng and subcarrier spacing
SCS has indicated collectively largest cell radius and/or the corresponding preamble sequence number of each sequence.
In one possible implementation, if NR lead code is the short sequence of NR, the cyclic shift of preamble sequence is matched
Confidence breath are as follows: including 3 bit datas, 3 bit datas are at least used to indicate the format information of NR lead code, Ncs value, delay expansion
Exhibition, one of the sequence length of the corresponding lead code of NR lead code or any combination；Alternatively,
If NR lead code is the short sequence of NR, the cyclic shift configuration information of preamble sequence are as follows: including 4 bit datas, 4
Bit data be at least used to indicate one of sequence length of Ncs value, delay extension, the corresponding lead code of NR lead code or
Person's any combination.
Assuming that SCS=15KHz, ng=0, then extend for the different delays of NR lead code, 4 bit datas are indicated leading
The cyclic shift configuration information of code sequence is as shown in table 8.
Table 8
If SCS=15KHz, ng=2, then extended for the different delays of NR lead code, the lead code of 4 bit datas instruction
The cyclic shift configuration information of sequence is as shown in table 9.
Table 9
If SCS=30KHz, ng=2, then extended for the different delays of NR lead code, the lead code of 4 bit datas instruction
The cyclic shift configuration information of sequence is as shown in table 10.
Table 10
If SCS=60KHz, ng=2, then extended for the different delays of NR lead code, the lead code of 4 bit datas instruction
The cyclic shift configuration information of sequence is as shown in table 11.
Table 11
If SCS=120KHz, ng=2, then extended for the different delays of NR lead code, 4 bit datas indicate leading
The cyclic shift configuration information of code sequence is as shown in table 12.
Table 12
Embodiment three
Fig. 3 is referred to, based on the same inventive concept, the embodiment of the present invention provides a kind of base station, which includes first true
Cover half block 31, the second determining module 32 and sending module 33.
Wherein, the first determining module 31, for determining the format information for NR lead code of newly eating dishes without rice or wine；
Second determining module 32, for based on the NR lead code format information and preset rules determine it is corresponding leading
The cyclic shift configuration information of code sequence；
Sending module 33 triggers the end for sending the cyclic shift configuration information of the preamble sequence to terminal
End group generates and sends accordingly in the format information of the NR lead code and the cyclic shift configuration information of the preamble sequence
Preamble sequence.
In one possible implementation, the preset rules include: the different value for cyclic shift Ncs, each
The sequence length of the corresponding lead code of NR lead code is different, and according to NR Physical Random Access Channel PRACH lead code form
Largest cell radius range, Ncs value after quantization minimizes the error with the corresponding radius of society of Ncs value before not quantifying.
In one possible implementation, second determining module 32 is used for:
If the NR lead code is NR long sequence, it is determined that the cyclic shift configuration information of the preamble sequence are as follows: packet
Bit data containing N1, the N1 bit data is at least used to indicate the Ncs value and corresponding largest cell radius, described
N1 is the positive integer more than or equal to 1；Alternatively,
If the NR lead code is the short sequence of NR, it is determined that the cyclic shift configuration information of the preamble sequence are as follows: packet
N2 bit data is included, the N2 bit data is at least used to indicate the format information of NR lead code, Ncs value, delay extension, NR
One of corresponding preamble sequence length of lead code or any combination, the N2 are the positive integer more than or equal to 1.
In one possible implementation, small for the value of delay extension if the NR lead code is NR long sequence
It is greater than T1 in the value for being equal to T1, delay extension and is less than or equal to T2, the preamble sequence that the N1 bit data indicates
Cyclic shift configuration information indicate preamble sequence unrestricted set cyclic shift value, first be restricted set
Cyclic shift value and/or second be restricted set cyclic shift value；The cyclic shift value combination NR preamble sequence length
One of following parameter or any combination have been indicated collectively with subcarrier spacing SCS: unrestricted set and corresponding maximum
Radius of society, first, which are restricted set and corresponding largest cell radius and second, is restricted set and corresponding largest cell radius；
The T2 is the positive real number greater than the T1.
In one possible implementation, small for the value of delay extension if the NR lead code is the short sequence of NR
Be greater than T4 in the value that the value for being equal to T3, delay extension is greater than T3 and is less than or equal to T4 and delay extension and be less than etc.
Following for preamble sequence is indicated in the cyclic shift configuration information for the preamble sequence that T5, the N2 bit data are indicated
Ring shift value, the cyclic shift value combination NR preamble sequence length, filter length ng and subcarrier spacing SCS refer to jointly
Largest cell radius and/or the corresponding preamble sequence number of each sequence are shown；The T3, the T4 and the T5 are
Positive real number, and size relation are as follows: 0 < T3 < T4 < T5.
In one possible implementation, if the NR lead code is the short sequence of NR, for the NR lead code
Different delays extension, the cyclic shift configuration information for the preamble sequence that the N2 bit data indicates indicate lead code
The cyclic shift value of sequence, the cyclic shift value combination NR preamble sequence length, filter length ng and subcarrier spacing
SCS has indicated collectively largest cell radius and/or the corresponding preamble sequence number of each sequence.
Example IV
Fig. 4 is referred to, based on the same inventive concept, the embodiment of the present invention provides a kind of terminal, which includes receiving mould
Block 41, generation module 42 and sending module 43.
Wherein, receiving module 41, the cyclic shift configuration information of the preamble sequence for receiving base station transmission；
Generation module 42 is believed for the cyclic shift configuration information based on the preamble sequence and the format of NR lead code
Breath, generates corresponding preamble sequence；
Sending module 43, for sending the preamble sequence.
In one possible implementation, if the NR lead code is NR long sequence, the preamble sequence is followed
Ring shift configuration information are as follows: include N1 bit data, the N1 bit data is at least used to indicate the Ncs value and corresponding
Largest cell radius, the N1 is positive integer more than or equal to 1；Alternatively,
If the NR lead code is the short sequence of NR, the cyclic shift configuration information of the preamble sequence are as follows: including N2
Bit data, it is leading that the N2 bit data is at least used to indicate the format information of NR lead code, Ncs value, delay extension, NR
One of corresponding preamble sequence length of code or any combination, the N2 are the positive integer more than or equal to 1.
In one possible implementation, small for the value of delay extension if the NR lead code is NR long sequence
It is greater than T1 in the value for being equal to T1, delay extension and is less than or equal to T2, the preamble sequence that the N1 bit data indicates
Cyclic shift configuration information indicate preamble sequence unrestricted set cyclic shift value, first be restricted set
Cyclic shift value and/or second be restricted set cyclic shift value；The cyclic shift value combination NR preamble sequence length
One of following parameter or any combination have been indicated collectively with subcarrier spacing SCS: unrestricted set and corresponding maximum
Radius of society, first, which are restricted set and corresponding largest cell radius and second, is restricted set and corresponding largest cell radius；
The T2 is the positive real number greater than the T1.
In one possible implementation, small for the value of delay extension if the NR lead code is the short sequence of NR
Be greater than T4 in the value that the value for being equal to T3, delay extension is greater than T3 and is less than or equal to T4 and delay extension and be less than etc.
Following for preamble sequence is indicated in the cyclic shift configuration information for the preamble sequence that T5, the N2 bit data are indicated
Ring shift value, the cyclic shift value combination NR preamble sequence length, filter length ng and subcarrier spacing SCS refer to jointly
Largest cell radius and/or the corresponding preamble sequence number of each sequence are shown；The T3, the T4 and the T5 are
Positive real number, and size relation are as follows: 0 < T3 < T4 < T5.
In one possible implementation, if the NR lead code is the short sequence of NR, for the NR lead code
Different delays extension, the cyclic shift configuration information for the preamble sequence that the N2 bit data indicates indicate lead code
The cyclic shift value of sequence, the cyclic shift value combination NR preamble sequence length, filter length ng and subcarrier spacing
SCS has indicated collectively largest cell radius and/or the corresponding preamble sequence number of each sequence.
Embodiment five
Based on the same inventive concept, the embodiment of the present invention provides a kind of base station, comprising:
At least one processor, and
The memory that is connect at least one described processor communication, communication interface；
Wherein, the memory is stored with the instruction that can be executed by least one described processor, described at least one
The instruction that device is stored by executing the memory is managed, the communication interface is utilized to execute the method as described in embodiment one.
Embodiment six
Based on the same inventive concept, the embodiment of the present invention provides a kind of terminal, comprising:
At least one processor, and
The memory that is connect at least one described processor communication, communication interface；
Wherein, the memory is stored with the instruction that can be executed by least one described processor, described at least one
The instruction that device is stored by executing the memory is managed, the communication interface is utilized to execute the method as described in embodiment two.
Embodiment seven
Based on the same inventive concept, the embodiment of the present invention provides a kind of computer readable storage medium, and the computer can
It reads storage medium and is stored with computer instruction, when the computer instruction is run on computers, so that computer executes such as
Method described in embodiment one and embodiment two.
In the specific implementation process, computer readable storage medium includes: general serial bus USB
(Universal Serial Bus flash drive, USB), mobile hard disk, read-only memory (Read-Only Memory,
ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. are various can store program
The storage medium of code.
The apparatus embodiments described above are merely exemplary, wherein units/modules as illustrated by the separation member
It may or may not be physically separated, the component shown as units/modules may or may not be
Physical unit/module, it can it is in one place, or may be distributed in multiple network unit/modules.It can basis
It is actual to need that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.Ordinary skill people
Member is without paying creative labor, it can understands and implements.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (16)
1. a kind of method for generating preamble sequence, which is characterized in that the described method includes:
Base station determines the format information for NR lead code of newly eating dishes without rice or wine；
The base station determines that the circulation of corresponding preamble sequence is moved based on the format information and preset rules of the NR lead code
Position configuration information；
The base station sends the cyclic shift configuration information of the preamble sequence to terminal, triggers the terminal and is based on the NR
The cyclic shift configuration information of the format information of lead code and the preamble sequence generates and sends corresponding preamble sequence.
2. the method as described in claim 1, which is characterized in that the preset rules include: the difference for cyclic shift Ncs
The sequence length of value, the corresponding lead code of each NR lead code is different and leading according to NR Physical Random Access Channel PRACH
The range of the largest cell radius of code format, Ncs value after quantization with do not quantify before the corresponding radius of society error of Ncs value most
Smallization.
3. method according to claim 2, which is characterized in that format information of the base station based on the NR lead code and pre-
If rule determines the cyclic shift configuration information of corresponding preamble sequence, comprising:
If the NR lead code is NR long sequence, it is determined that the cyclic shift configuration information of the preamble sequence are as follows: include N1
Bit data, the N1 bit data is at least used to indicate the Ncs value and corresponding largest cell radius, the N1 are
Positive integer more than or equal to 1；Alternatively,
If the NR lead code is the short sequence of NR, it is determined that the cyclic shift configuration information of the preamble sequence are as follows: including N2
Bit data, it is leading that the N2 bit data is at least used to indicate the format information of NR lead code, Ncs value, delay extension, NR
One of corresponding preamble sequence length of code or any combination, the N2 are the positive integer more than or equal to 1.
4. method as claimed in claim 3, which is characterized in that if the NR lead code is NR long sequence, expand for delay
The value of exhibition is less than or equal to T1, the value of delay extension is greater than T1 and is less than or equal to T2, the N1 bit data indicate it is described before
The cyclic shift configuration information of code-guiding sequence indicates the cyclic shift value of the unrestricted set of preamble sequence, first limited
Cyclic shift value and/or second that system is gathered are restricted the cyclic shift value of set；The cyclic shift value combination NR lead code
Sequence length and subcarrier spacing SCS have indicated collectively one of following parameter or any combination: it is unrestricted set and
Corresponding largest cell radius, first, which are restricted set and corresponding largest cell radius and second, is restricted set and corresponding most size
Area's radius；The T2 is the positive real number greater than the T1.
5. method as claimed in claim 3, which is characterized in that if the NR lead code is the short sequence of NR, expand for delay
The value of exhibition is less than or equal to T3, the value of delay extension is greater than T3 and is less than or equal to the value of T4 and delay extension simultaneously greater than T4
And it is less than or equal to T5, the cyclic shift configuration information for the preamble sequence that the N2 bit data indicates indicates lead code
The cyclic shift value of sequence, the cyclic shift value combination NR preamble sequence length, filter length ng and subcarrier spacing
SCS has indicated collectively largest cell radius and/or the corresponding preamble sequence number of each sequence；The T3, the T4 and
The T5 is positive real number, and size relation are as follows: 0 < T3 < T4 < T5.
6. method as claimed in claim 3, which is characterized in that if the NR lead code is the short sequence of NR, be directed to the NR
The different delays of lead code extends, the cyclic shift configuration information instruction for the preamble sequence that the N2 bit data indicates
The cyclic shift value of preamble sequence, the cyclic shift value combination NR preamble sequence length, filter length ng and son
Carrier wave interval SCS has indicated collectively largest cell radius and/or the corresponding preamble sequence number of each sequence.
7. a kind of method for generating preamble sequence, which is characterized in that the described method includes:
Terminal receives the cyclic shift configuration information for the preamble sequence that base station is sent；
The format information of cyclic shift configuration information and NR lead code of the terminal based on the preamble sequence generates corresponding
Preamble sequence；
The terminal sends the preamble sequence.
8. the method for claim 7, which is characterized in that if the NR lead code is NR long sequence, the lead code
The cyclic shift configuration information of sequence are as follows: include N1 bit data, the N1 bit data is at least used to indicate the Ncs value
And corresponding largest cell radius, the N1 are the positive integer more than or equal to 1；Alternatively,
If the NR lead code is the short sequence of NR, the cyclic shift configuration information of the preamble sequence are as follows: including N2 bit
Data, the N2 bit data are at least used to indicate the format information of NR lead code, Ncs value, delay extension, NR lead code pair
One of preamble sequence length answered or any combination, the N2 are the positive integer more than or equal to 1.
9. method according to claim 8, which is characterized in that if the NR lead code is NR long sequence, expand for delay
The value of exhibition is less than or equal to T1, the value of delay extension is greater than T1 and is less than or equal to T2, the N1 bit data indicate it is described before
The cyclic shift configuration information of code-guiding sequence indicates the cyclic shift value of the unrestricted set of preamble sequence, first limited
Cyclic shift value and/or second that system is gathered are restricted the cyclic shift value of set；The cyclic shift value combination NR lead code
Sequence length and subcarrier spacing SCS have indicated collectively one of following parameter or any combination: it is unrestricted set and
Corresponding largest cell radius, first, which are restricted set and corresponding largest cell radius and second, is restricted set and corresponding most size
Area's radius；The T2 is the positive real number greater than the T1.
10. method according to claim 8, which is characterized in that if the NR lead code is the short sequence of NR, expand for delay
The value of exhibition is less than or equal to T3, the value of delay extension is greater than T3 and is less than or equal to the value of T4 and delay extension simultaneously greater than T4
And it is less than or equal to T5, the cyclic shift configuration information for the preamble sequence that the N2 bit data indicates indicates lead code
The cyclic shift value of sequence, the cyclic shift value combination NR preamble sequence length, filter length ng and subcarrier spacing
SCS has indicated collectively largest cell radius and/or the corresponding preamble sequence number of each sequence；The T3, the T4 and
The T5 is positive real number, and size relation are as follows: 0 < T3 < T4 < T5.
11. method according to claim 8, which is characterized in that if the NR lead code is the short sequence of NR, be directed to the NR
The different delays of lead code extends, the cyclic shift configuration information instruction for the preamble sequence that the N2 bit data indicates
The cyclic shift value of preamble sequence, the cyclic shift value combination NR preamble sequence length, filter length ng and son
Carrier wave interval SCS has indicated collectively largest cell radius and/or the corresponding preamble sequence number of each sequence.
12. a kind of base station, which is characterized in that the base station includes:
First determining module, for determining the format information for NR lead code of newly eating dishes without rice or wine；
Second determining module, for based on the NR lead code format information and preset rules determine corresponding preamble sequence
Cyclic shift configuration information；
Sending module triggers the terminal and is based on for sending the cyclic shift configuration information of the preamble sequence to terminal
The format information of the NR lead code and the cyclic shift configuration information of the preamble sequence generate and send corresponding leading
Code sequence.
13. a kind of terminal, which is characterized in that the terminal includes:
Receiving module, the cyclic shift configuration information of the preamble sequence for receiving base station transmission；
Generation module, it is raw for the format information of cyclic shift configuration information and NR lead code based on the preamble sequence
At corresponding preamble sequence；
Sending module, for sending the preamble sequence.
14. a kind of base station, which is characterized in that the base station includes:
At least one processor, and
The memory that is connect at least one described processor communication, communication interface；
Wherein, the memory is stored with the instruction that can be executed by least one described processor, at least one described processor
By executing the instruction of the memory storage, executed using the communication interface as of any of claims 1-6
Method.
15. a kind of terminal, which is characterized in that the terminal includes:
At least one processor, and
The memory that is connect at least one described processor communication, communication interface；
Wherein, the memory is stored with the instruction that can be executed by least one described processor, at least one described processor
By executing the instruction of the memory storage, executed using the communication interface as claim in claims 7-11 described in any item
Method.
16. a kind of computer readable storage medium, it is characterised in that:
The computer-readable recording medium storage has computer instruction, when the computer instruction is run on computers,
So that computer executes such as method of any of claims 1-11.
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