CN109150448A - It sends signal and receives method, the network equipment and the user equipment of signal - Google Patents
It sends signal and receives method, the network equipment and the user equipment of signal Download PDFInfo
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- CN109150448A CN109150448A CN201710459089.1A CN201710459089A CN109150448A CN 109150448 A CN109150448 A CN 109150448A CN 201710459089 A CN201710459089 A CN 201710459089A CN 109150448 A CN109150448 A CN 109150448A
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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
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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
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/30—Resource management for broadcast services
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Abstract
This application provides a kind of transmission signals and the method for receiving signal, are able to ascend the transmission performance of information.This method comprises: the network equipment handles the first information of synchronization signal block, P modulation symbol is obtained, the first information is used to indicate the time-domain position of synchronization signal block, and synchronization signal block includes synchronization signal and Physical Broadcast Channel PBCH, wherein, P >=1 and be integer；The P modulation symbol is carried in the reference signal in PBCH bandwidth by the network equipment；The network equipment sends the reference signal to user equipment.
Description
Technical field
This application involves the communications fields, and more particularly, to a kind of transmission signal and receive the method for signal, network
Equipment and user equipment.
Background technique
In new generation of wireless access (New Radio Access, NR) system, because considering multi-beam, synchronization is introduced
The concept of block (Synchronization Signal Block, SSB).One synchronization signal block may include main synchronous letter
Number (Primary Synchronization Signal, PSS), secondary synchronization signal (Secondary Synchronization
Signal, SSS) and Physical Broadcast Channel (Physical Broadcast Channel, PBCH).The network equipment can be with one
Or multiple radio frames are the period, send one or more SSB periodically.The one or more SSB sent in a cycle are constituted
One SSB burst set.Each SSB in one SSB burst set has a time index.
User equipment can be inferred that the frame boundaries and boundary of time slot of cell, to realize according to the SSB being currently received
Functions synchronous or other with cell.Also, according to NR Standardization, a SSB in a SS burst set when
Between index (Time Index) indicated by PBCH.
But the time index of SSB specifically how is indicated by PBCH, there is presently no an ideal schemes.Cause
This, this becomes a urgent problem to be solved.
Summary of the invention
The application provides the method for a kind of transmission signal and reception signal, passes through the reference signal being carried in PBCH bandwidth
It indicates the time-domain position of SSB, and is able to ascend transmission performance.
In a first aspect, the application provides a kind of method for sending signal, this method comprises: the network equipment is to synchronization signal block
The first information handled, obtain P modulation symbol, the first information is used to indicate the time-domain position of synchronization signal block, synchronous
Block includes synchronization signal and Physical Broadcast Channel PBCH, wherein P >=1 and be integer；The network equipment accords with this P modulation
It number is carried in the reference signal in PBCH bandwidth；The network equipment sends reference signal to user equipment.
In the technical solution of the embodiment of the present application, taken by the reference signal in the PBCH bandwidth in synchronization signal block
Information with instruction synchronization signal block time-domain position, under some scenes for not needing the MIB that user equipment really reads PBCH,
It since the information is carried in reference signal, avoids the network equipment information is directly carried on PBCH and send, lead to UE
Detection complexity and time delay increase the problem of.Simultaneously as information of the network equipment to instruction synchronization signal block time-domain position
Modulate or encode and modulation is transmitted so that the anti-interference ability in message transmitting procedure enhances so as to be promoted
Performance.
In one possible implementation, the sequence of reference signal includes M element, and, the network equipment is by the P
Modulation symbol is carried in the reference signal in PBCH bandwidth, comprising: the P modulation symbol is carried on reference to letter by the network equipment
Number sequence include M element in P element on, M >=P and be integer.
In one possible implementation, which occupies P subcarrier, synchronous letter in PBCH bandwidth
Number bandwidth occupied includes the bandwidth of the P sub- carrier occupancy.
The bandwidth that synchronization signal occupies includes the bandwidth of P sub- carrier occupancies, and synchronization signal can be used as reference signal, mention
The receptivity of P modulation symbol of carrying on high P subcarrier, to improve first information transmission performance.
In one possible implementation, the first information is also used to indicate that synchronization signal block is located at the preceding field of radio frames
Or rear field.
In one possible implementation, the network equipment handles the first information of synchronization signal block, comprising: net
Network equipment encodes the first information, obtains the second information；The network equipment is modulated the second information, obtains this P tune
Symbol processed.
The first information is encoded, the coding gain of information can be increased, so as to further promote transmission performance.
In one possible implementation, the bandwidth that PBCH is occupied includes L subcarrier, wherein the M element carrying
On the M subcarrier in L subcarrier, which includes S the first subcarriers and T the second subcarriers, synchronous letter
Number bandwidth occupied does not include the bandwidth that the S the first subcarriers occupy, and the bandwidth that synchronization signal occupies includes the T second son
The bandwidth of carrier occupancy, the P modulation symbol are carried on P the second subcarriers in the T the second subcarriers.
In one possible implementation, reference signal is the demodulated reference signal DMRS of PBCH；Alternatively, reference signal
To be carried in PBCH bandwidth different from the first reference signal of the demodulated reference signal DMRS of PBCH.
Reference signal is the demodulated reference signal DMRS of PBCH, can use the existing reference signal carrying first information,
Running time-frequency resource can be saved；Alternatively, reference signal is to be carried on the demodulated reference signal DMRS for being different from PBCH in PBCH bandwidth
The first reference signal, it is ensured that DMRS is used to demodulate the performance of PBCH.
In one possible implementation, in the feelings that reference signal is different from the first reference signal of the DMRS of PBCH
Under condition, DMRS is also carried on PBCH, the bandwidth that synchronization signal occupies on frequency domain does not include the band that DMRS is occupied on frequency domain
Width, the bandwidth that synchronization signal occupies on frequency domain include the bandwidth that the first reference signal occupies on frequency domain.
The bandwidth that synchronization signal occupies on frequency domain does not include the bandwidth that DMRS is occupied on frequency domain, can save DMRS and account for
Running time-frequency resource, the bandwidth that synchronization signal occupies on frequency domain include the bandwidth that the first reference signal occupies on frequency domain, can
To improve the receptivity of the P modulation symbol of carrying in the first reference signal, to improve first information transmission performance.
In one possible implementation, the network equipment encodes the first information, including uses following coding staff
Any one in formula: Randt's Miller RM coding, Polarization Coding and low-density checksum LDPC coding.
Second aspect, this application provides a kind of methods for receiving signal, set this method comprises: user equipment receives network
The reference signal that preparation is sent, reference signal are carried in the bandwidth for the Physical Broadcast Channel PBCH that synchronization signal block includes, reference
P modulation symbol is carried on signal, which handled the first information of synchronization signal block,
The first information is used to indicate the time-domain position of synchronization signal block, wherein P >=1 and be integer；User equipment obtains reference signal and holds
The P modulation symbol carried；User equipment handles the P modulation symbol, obtains the first information；User equipment is according to
One information determines the time-domain position of synchronization signal block.
In one possible implementation, the sequence of reference signal includes M element, and, the network equipment is by the P
Modulation symbol is carried in the reference signal in PBCH bandwidth, comprising: the P modulation symbol is carried on reference to letter by the network equipment
Number sequence include M element in P element on, M >=P and be integer.
In one possible implementation, which occupies P subcarrier, synchronous letter in PBCH bandwidth
Number bandwidth occupied includes the bandwidth of a sub- carrier occupancy.
In one possible implementation, the first instruction information is also used to indicate that the synchronization signal block is located at nothing
The preceding field or rear field of line frame.
In one possible implementation, user equipment handles the P modulation symbol, gets the first letter
Breath, comprising: user equipment demodulates the P modulation symbol, obtains the second information；User equipment solves the second information
Code, obtains the first information.
In one possible implementation, the bandwidth that PBCH is occupied includes L subcarrier, wherein the M element carrying
On M subcarrier in the L subcarrier, which includes S the first subcarriers and T the second subcarriers, is synchronized
The bandwidth that signal occupies does not include the bandwidth that the S the first subcarriers occupy, and the bandwidth that synchronization signal occupies includes the T second
The bandwidth that subcarrier occupies, the P modulation symbol are carried on P the second subcarriers in the T the second subcarriers.
In one possible implementation, reference signal is the demodulated reference signal DMRS of PBCH；Alternatively, reference signal
To be carried in PBCH bandwidth different from the first reference signal of the demodulated reference signal DMRS of PBCH.
In one possible implementation, in the feelings that reference signal is different from the first reference signal of the DMRS of PBCH
Under condition, DMRS is also carried on PBCH, the bandwidth that synchronization signal occupies on frequency domain does not include the band that DMRS is occupied on frequency domain
Width, the bandwidth that synchronization signal occupies on frequency domain include the bandwidth that the first reference signal occupies on frequency domain.
In one possible implementation, which is that the network equipment is encoded to obtain to the first information
Second information, then the second information is modulated, wherein the network equipment includes using any one in following coding mode
Kind: Randt's Miller RM coding, Polarization Coding and low-density checksum LDPC coding.
The third aspect, the application provide a kind of network equipment, for executing any possibility of first aspect or first aspect
Implementation in method.Specifically, which includes any possible reality for executing first aspect or first aspect
The unit of method in existing mode.
Fourth aspect, the application provide a kind of user equipment, for executing any possibility of second aspect or second aspect
Implementation in method.Specifically, which includes any possible realization side for executing second aspect or second aspect
The unit of method in formula.
5th aspect, the application provides a kind of network equipment, which includes one or more processors, one or
Multiple memories, one or more transceivers (each transceiver includes transmitter and receiver).Transmitter or receiver pass through
Antenna receiving and transmitting signal.Memory is for storing computer program instructions (in other words, code).Processor is for executing in memory
The instruction of storage, when executed, processor execute in any possible implementation of first aspect or first aspect
Method.
6th aspect, the application provides a kind of user equipment, which includes one or more processors, one or
Multiple memories, one or more transceivers (each transceiver includes transmitter and receiver).Transmitter or receiver pass through
Antenna receiving and transmitting signal.Memory is for storing computer program instructions (in other words, code).Processor is for executing in memory
The instruction of storage, when executed, processor execute in any possible implementation of second aspect or second aspect
Method.
7th aspect, the application provide a kind of computer readable storage medium, store in the computer readable storage medium
There is instruction, when run on a computer, so that computer executes any possible of above-mentioned first aspect or first aspect
Method in implementation.
Eighth aspect, the application provide a kind of computer readable storage medium, store in the computer readable storage medium
There is instruction, when run on a computer, so that computer executes any possible of above-mentioned first aspect or first aspect
Method in implementation.
9th aspect, the application provide a kind of chip system, including memory and processor, and memory is calculated for storing
Machine program, processor from memory for calling and running the computer program, so that being equipped with the communication of the chip system
Equipment executes the method in above-mentioned first aspect and second aspect and its any possible implementation.
Tenth aspect, the application provide a kind of communication system, including first aspect and its in arbitrarily possible implementation
User equipment in the network equipment and second aspect and its arbitrarily possible implementation.
In technical solution provided by the present application, by using the reference signal in the PBCH bandwidth in synchronization signal block come
The information (that is, first information) for carrying instruction synchronization signal block time-domain position does not need user equipment and really reads some
Under the scene of the MIB of PBCH, since the information is carried in reference signal, avoids the network equipment and be directly carried on the information
The problem of being sent on PBCH, leading to the detection complexity and time delay increase of UE.Simultaneously as the network equipment carries out the first information
Modulation or coding and modulation, so that anti-interference ability enhancing of the first information in transmission process, it is thus possible to promote letter
The transmission performance of breath.
Detailed description of the invention
Fig. 1 is the resource structures schematic diagram of synchronization signal block SSB.
Fig. 2 is the resource structures schematic diagram of synchronization signal set of blocks.
Fig. 3 is the communication system schematic diagram suitable for the embodiment of the present application.
Fig. 4 is the schematic interaction figure of the method 200 for sending signal and receiving signal of the embodiment of the present application.
Fig. 5 shows a kind of distribution mode of the DMRS on PBCH.
Fig. 6 shows another distribution mode of the DMRS on PBCH.
Fig. 7 is another distribution mode of reference signal on PBCH.
Fig. 8 is the schematic block diagram of the network equipment 500 provided by the embodiments of the present application.
Fig. 9 is the schematic block diagram of user equipment 600 provided by the embodiments of the present application.
Figure 10 is the schematic diagram of the network equipment 700 provided by the embodiments of the present application.
Figure 11 is the schematic diagram of user equipment 800 provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with attached drawing, the technical solution in the application is described.
Firstly, to this application involves related notion be briefly described.
In new generation of wireless access (New Radio Access, NR) system, because considering multi-beam, synchronization is introduced
The concept of block (Synchronization Signal Block, SSB).In 5G, the corresponding wave beam of a SSB should
Wave beam can be digital beam or analog beam.
It is the resource structures schematic diagram of synchronization signal block referring to Fig. 1, Fig. 1.Wherein, a synchronization signal block may include NR
Primary synchronization signal (NR-Primary Synchronization Signal, NR-PSS), NR secondary synchronization signal (NR-
Secondary Synchronization Signal, NR-SSS) and NR Physical Broadcast Channel (NR-Physical
Broadcast Channel, NR-PBCH).
It should be noted that NR-PSS and NR-SSS can be different from the prior art respectively PSS in (for example, LTE) and
SSS.For example, NR-PSS can be used for Frequency Synchronization, slot timing etc..NR-SSS is determined for frame timing, identification cell
Group etc..Alternatively, NR-PSS and NR-SSS also can have the function different from current PSS and SSS, the embodiment of the present application is to this
It is not particularly limited.In addition, NR-PSS and NR-SSS can also be using sequence identical or different with current PSS and SSS respectively
Column, the embodiment of the present application also do not limit this.
For sake of simplicity, NR-PSS, NR-SSS and NR-PBCH are still denoted as PSS, SSS and PBCH respectively herein.
In a SSB, the bandwidth of synchronization signal is less than the bandwidth of PBCH, wherein secondary synchronization signal can assist simultaneously
Demodulated reference signal as PBCH.PSS occupies 1 orthogonal frequency division multiplexing (Orthogonal Frequency in the time domain
Division Multiplexing, OFDM) symbol, 127 subcarriers are occupied on frequency domain.SSS occupies 1 in the time domain
OFDM symbol occupies 127 subcarriers on frequency domain.PBCH occupies 2 OFDM symbols in the time domain, and 288 are occupied on frequency domain
A subcarrier.
The network equipment can send one or more SSB using one or more radio frames as the period periodically.A cycle
One or more SSB of interior transmission can form a SS pulse collection (SS burst set).One SS burst set can
To include multiple SSB.One SS burst set can include that the maximum number of SSB is related with carrier frequency.For example, 3G is hereinafter, SS
Burst set includes that the number of SSB is up to 4.3G or more 6G is hereinafter, the number for the SSB that SS burst set includes is up to
8.And the number for the SSB that 6G or more, SS burst set include is up to 64.
Referring to fig. 2, Fig. 2 is the resource structures schematic diagram of synchronization signal set of blocks.For example, in Fig. 2, a SS burst
The sending cycle of set includes 2 radio frames.Wherein, all SSB sent in the two radio frames (20ms) constitute a SS
burst set.Multiple SSB in one SS burst set in the time domain can be continuously or discontinuously.As shown in Figure 2
SSB 1 and SSB2 are continuous in the time domain, and SSB3 and SSB4 are continuous in the time domain, but SSB2 and SSB3 are discontinuous in the time domain.
Since mapping relations of the SSB on running time-frequency resource are relatively fixed, after UE obtains the time index of SSB, can push away
The frame boundaries or boundary of time slot of disconnected cell out, to realize functions synchronous or other with cell.Therefore, according to NR standardize into
It opens up, the time index (Time Index) of a SSB in a SS burst set is indicated by PBCH.
Currently proposed two kinds of technical solutions, a kind of scheme are that the network equipment directly holds the information for indicating SSB time index
It is loaded on PBCH and is sent.Another kind is demodulated reference signal (the Demodulation Reference by PBCH
Signal, DMRS) sequence carries the instruction information.
In the first scheme, since the information of instruction SSB time index is carried on PBCH, if user equipment
(User Equipment, UE) needs to get the instruction information, needs to decode the content of PBCH completely, for example, the master of PBCH
Block of information (Master Information Block, MIB) information.But under many scenes, UE is not intended to obtain completely
The content of PBCH, and be only it needs to be determined that the frame boundaries of cell are to carry out other operations or process.Therefore, this mode will obviously
Increase the detection complexity and time delay of UE.And in 5G, very low for the tolerance of time delay, therefore, this is not ideal
Scheme.In latter scheme, the network equipment carries the letter of instruction SSB time index by the DMRS for demodulating PBCH
Breath.In this scheme, since DMRS sequence lacks cyclic redundancy check (Cyclic Redundancy Check, CRC), because
And transmission performance is poor.
For this purpose, the application provides the method for a kind of transmission signal and reception signal, help to improve the above problem.
The technical solution of the application can be applied to various communication systems, such as: global mobile communication (Global
System of Mobile communication, GSM) system, CDMA (Code Division Multiple
Access, CDMA) system, wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) system
It is system, General Packet Radio Service (General Packet Radio Service, GPRS), long term evolution (LTE) system, advanced
Long term evolution (LTE-A) system, Universal Mobile Communication System (Universal Mobile Telecommunication
System, UMTS) or next generation communication system (for example, the 5th generation communicated (Fifth-Generation, 5G) system) etc..Its
In, 5G system is referred to as new generation of wireless access technology (NR) system.
For ease of understanding, Fig. 3 is combined simply to introduce the communication system suitable for the embodiment of the present application first.
It is the communication system schematic diagram suitable for the embodiment of the present application referring to Fig. 3, Fig. 3.As shown in figure 3, the communication system
In include at least the network equipment 101 and user equipment 102.The communication system includes at least two communication equipments, for example, network is set
Standby 101 and user equipment 102.Wherein, data can be carried out by being wirelessly connected between the network equipment 101 and user equipment 102
Communication.
It should be understood that Fig. 3 is only illustrated for including a network equipment and a user equipment in communication system, but
The embodiment of the present application is not limited to this.For example, communication system can also include the user equipment of more network equipments or more.
Wherein, the network equipment 101 can be the base station (Base in global mobile communication (GSM) or CDMA (CDMA)
Transceiver Station, BTS), it is also possible to the base station (NodeB, NB) in wideband code division multiple access (WCDMA), it can be with
It is evolved base station (Evolutional Node B, eNB or eNodeB) or the relay station, access in long term evolution (LTE)
Point or Remote Radio Unit (Remote Radio Unit, RRU) or mobile unit, wearable device, can also be cloud without
Wireless controller under line access network (Cloud Radio Access Network, CRAN) scene, and future 5G system
In network side equipment, such as transfer point (Transmission Point, TP), transmit and receive point (Transmission
Reception Point, TRP), base station (gNodeB, gNB), small base station equipment etc..
User equipment (User Equipment, UE) 102 is referred to as terminal device, access terminal, subscriber unit, use
Family station, movement station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal (Terminal), wireless communication
Equipment, user agent or user apparatus.Terminal device can be WLAN (Wireless Local Area
Networks, WLAN) in website (Station, ST), can be cellular phone, wireless phone, session initiation protocol
(Session Initiation Protocol, SIP) phone, wireless local loop (Wireless Local Loop, WLL)
It stands, personal digital assistant (Personal Digital Assistant, PDA) equipment, hand-held with wireless communication function set
It is standby, calculate equipment or be connected to other processing equipments, mobile unit, wearable device and the next generation of radio modem
Communication system, for example, public land mobile network (the Public Land of terminal device or the following evolution in 5G network
Mobile Network, PLMN) terminal device etc. in network.
In addition, in the embodiment of the present application, the network equipment provides service for cell.User equipment is used by the cell
Transfer resource (for example, frequency domain resource, in other words, frequency spectrum resource) it is communicated with the network equipment.The cell can be network and set
Standby (for example, base station) corresponding cell, cell may belong to macro base station, it is corresponding also to may belong to cell (Small Cell)
Base station.Here cell may include: urban cells (Metro cell), Microcell (Micro cell), picocell
(Pico cell), Femto cell (Femto cell) etc..In addition, the cell can also be super cell (Hypercell).
Hypercell using user-center without cellular radio access (User Centric No Cell Radio Access,
UCNC) technology, i.e. user equipment no longer access the physical site (for example, TRP) of some fixation, but accessing one includes one
The logic entity (Logical Entity, LE) of TRP is organized to be serviced, this logic entity is properly termed as Hypercell.
The boundary of Hypercell be it is flexible, can according to network load, user distribution variation and change.Institute in Hypercell
TRP be all for terminal device it is transparent, terminal device only need according to Hypercell ID access, so that it may obtain
The service of TRP in Hypercell, and no longer fixation is connect with some TRP.
In the following, transmission signal provided by the embodiments of the present application and the method for receiving signal are described in detail.
Referring to fig. 4, Fig. 4 is the schematic interaction figure of the method 200 for sending signal and receiving signal of the embodiment of the present application.
210, the network equipment handles the first information of synchronization signal block, obtains P modulation symbol.
Wherein, the first information is used to indicate the time-domain position of the synchronization signal block.For example, the first information can be indicated directly
The time index of synchronization signal block.The time index of synchronization signal block may also be referred to as the serial number of synchronization signal block.
Further, the first information also can indicate that the synchronization signal block is located at the preceding field or rear field of radio frames.
The length of radio frames is 10ms.In NR, all synchronization signal blocks are sent in the time window of 5ms,
Also, this 5ms cannot be across field.Therefore, the synchronization signal that the network equipment can be sent by the first instruction information instruction
Block is located at the preceding field or rear field of radio frames.
Specifically, the first information can be used the time index of m bit indication synchronization signal block, m >=1 and be integer.
For example, the value of m can be 2,3,6 etc..
When the first information is also used to indicate that synchronization signal block is located at the preceding field or rear field of radio frames, here first
Information may include more bits.For example, the synchronization signal block is located at the preceding field of radio frames still using 1 bit indication
Field afterwards.In this way, the first information may include 7 (that is, 6+1) a bits.
In addition, according to described previously it is known that a synchronization signal block includes synchronization signal and Physical Broadcast Channel.Synchronous letter
Number include primary synchronization signal and secondary synchronization signal.
The network equipment obtains P modulation symbol, including two ways to first information processing.
Mode 1
The network equipment modulates the first information, obtains P modulation symbol.
In the prior art, a kind of scheme is that directly the information for indicating SSB time index is carried on PBCH to send out
It send, this scheme needs UE to read the mib information on PBCH completely.This for UE, will increase detection complexity and when
Prolong, transmission performance is also poor.Another scheme is to carry instruction SSB time using the demodulated reference signal of PBCH completely
The information of index.But due to lacking CRC check, experiment shows that transmission performance is also poor.
And in the embodiment of the present application, the network equipment adjusts the first information of instruction synchronization signal block time-domain position
System, can increase the anti-interference ability of the first information, therefore, can promote the transmission performance of information.
Mode 2
The network equipment encodes the first information, obtains the second information；
The network equipment is modulated the second information, obtains the P modulation symbol.
In other words, in the embodiment of the present application, the network equipment can directly be modulated the first information, alternatively,
First the first information can be encoded, then the information (that is, second information) after coding is modulated, finally obtain P tune
Symbol processed, wherein P >=1 and be integer.
Wherein, it in mode 2, when the network equipment encodes the first information, is not limited to using Randt's Miller (Reed
Muller, RM) coding, polarization (Polar) coding and low-density checksum (Low Density Parity Check Code,
LDPC it) encodes.
It should be understood that encoding to the first information, the coding gain of channel can be increased, so as to further promote biography
Defeated performance.
220, the P modulation symbol is carried in the reference signal in PBCH bandwidth by the network equipment.
It is known that synchronization signal block includes synchronization signal and PBCH.Also, synchronization signal and each comfortable frequency of PBCH
Occupied bandwidth on domain.
The network equipment handles the first information of the time-domain position of instruction synchronization signal block, obtains P modulation symbol
Later, which is carried in the reference signal in PBCH bandwidth by the network equipment.
PBCH bandwidth mentioned here refers to the bandwidth that the PBCH in synchronization signal block is occupied on frequency domain.It may also be referred to as
The bandwidth of PBCH.
Specifically, the sequence of the reference signal includes M element.In other words, if it is M that reference signal, which is a length,
Sequence then says that the reference signal includes M element.Wherein, M >=P and be integer.
For example, the reference signal sequence that length is M is r (m), wherein m=0,1 ..., M-1.P modulation symbol is p
(i), wherein i=0,1, P-1.
By taking LTE as an example, the sequence r (m) of the specific reference signal of user equipment is defined as follows:
Wherein, c (i) is pseudo-random sequence, m=0,1 ..., M-1.
P modulation symbol p (i) is carried in reference signal, a kind of mode can be is with length by P modulation symbol
P element multiplication in the reference signal sequence of M obtains r'(m), it may be assumed that
Therefore, P modulation symbol is carried in the reference signal in PBCH bandwidth, in fact, being exactly to modulate this P
Symbols carry is on P element in the M element that the reference signal includes.
Wherein, which occupies P subcarrier in PBCH bandwidth, and synchronization signal accounts in synchronization signal block
Bandwidth includes the bandwidth of the P sub- carrier occupancies.
That is, by being carried in the reference signal in PBCH bandwidth to the P modulation symbol that the first information is modulated,
It further says, is carried on the P modulation symbol in PBCH bandwidth and on the subcarrier of the bandwidth overlay of synchronization signal.Or
Person says, the bandwidth that synchronization signal occupies on frequency domain, which contains, carries what the subcarrier of the P modulation symbol occupied on frequency domain
Bandwidth.
In the embodiment of the present application, which can be the DMRS for demodulating PBCH, alternatively, the reference signal
It can be other reference signals different from DMRS in PBCH bandwidth.Both of these case is illustrated respectively below.
Situation 1
The reference signal is the demodulated reference signal DMRS of PBCH.
In this case, DMRS is for demodulating PBCH.Meanwhile the DMRS include M element in P element on hold
The P modulation symbol is carried.
It should be noted that the length of DMRS sequence is that system is reserved.In other words, system can be reserved and be ascertained the number
Resource unit (Resource Element, RE) is for carrying DMRS.
Firstly, it is assumed that the bandwidth that PBCH is occupied includes L subcarrier, L >=1 and be integer.
Wherein, DMRS is there are many distribution modes in the bandwidth that PBCH is occupied.
For example, the M Elemental redistribution that DMRS includes is on M subcarrier in this L subcarrier, this M subcarrier exists
It is spacedly distributed in this L carrier wave wave.
A kind of distribution mode of the DMRS on PBCH is shown referring to Fig. 5, Fig. 5.As shown in figure 5, DMRS is evenly distributed on
On the L subcarrier that PBCH bandwidth includes.Further, which is carried on and the P of synchronization signal bandwidth overlay
On subcarrier.
In another example the M Elemental redistribution that DMRS includes be on M subcarrier in this L subcarrier, this M subcarrier
It is non-in this L carrier wave wave to be spacedly distributed.
Specifically, for example, the M element is carried on M subcarrier in this L subcarrier, which includes
S the first subcarriers and T the second subcarriers.The bandwidth that synchronization signal occupies does not include the band that the S the first subcarriers occupy
Width, the bandwidth that synchronization signal occupies include the bandwidth that the T the second subcarriers occupy, which is carried on the T a the
On P the second subcarriers in two subcarriers.
Another distribution mode of the DMRS on PBCH is shown referring to Fig. 6, Fig. 6.As shown in fig. 6, M that DMRS includes
It is distributed in element unequal interval on M subcarrier in this L subcarrier.For example, with synchronization signal bandwidth overlay part,
The ratio of DMRS distribution is sparse.And with the nonoverlapping part of synchronization signal, DMRS distribution it is denser.This P modulation symbol
Number can be carried on on the subcarrier of synchronization signal lap.
Situation 2
The reference signal is to be different from other reference signals of DMRS in PBCH bandwidth.
For ease of description, other reference signals different from DMRS are referred to as the first reference signal below.
It is understood that in the embodiment of the present application, the bandwidth of the occupancy of synchronization signal includes to use in synchronization signal block
In the bandwidth that the subcarrier for carrying the P modulation symbol occupies.That is, the bandwidth that synchronization signal occupies contains in situation 2
The bandwidth that first reference signal occupies.In this case, PBCH can also carry DMRS, at this point, DMRS carrying with it is synchronous
In the nonoverlapping PBCH bandwidth of bandwidth that signal occupies.It is illustrated below with reference to Fig. 7.
It is another distribution mode of reference signal on PBCH referring to Fig. 7, Fig. 7.As shown in fig. 7, being held simultaneously on PBCH
It is loaded with the first reference signal and DMRS, the first reference signal and DMRS are distributed in PBCH bandwidth.Wherein, the first reference signal
It is distributed in the PBCH bandwidth Chong Die with synchronization signal occupied bandwidth, DMRS is distributed in nonoverlapping with synchronization signal occupied bandwidth
In PBCH bandwidth.Wherein, DMRS is for demodulating PBCH, and the first reference signal can be dedicated for bearing modulation symbols.In other words,
First reference signal can be dedicated for the information of the time-domain position of carrying instruction synchronization signal block.
It should be noted that being distributed in PBCH in above embodiments and its attached drawing with reference signal and accounting in the time domain
As example in two OFDM symbols used.Wherein, the subcarrier that reference signal in second OFDM symbol occupies with
The subcarrier occupied in first OFDM symbol is identical.
In addition, possible PBCH is accounted in the time domain when the element that reference signal includes is less (for example, when DMRS sequence is shorter)
First OFDM symbol is just enough to carry the reference signal, and therefore, reference signal may be distributed only over first of PBCH
In OFDM symbol.The embodiment of the present application is not construed as limiting this.
Some specific examples are given below.
For example, m=6.
The M son that the DMRS sequence that length is M is uniformly carried in 288 subcarriers that PBCH includes by the network equipment carries
On wave, here, M is the integer more than or equal to 1, and less than or equal to 288.
Optionally, M can be equal to 72 or 96.
The network equipment is by the SS block time index of the 6 bits or SS block time index+half of 7 bits
Frame index (field instruction) obtains P modulation symbol after encoding, modulating.
Here half frame index is that the synchronization signal block that is used to indicate described above is located at radio frames
The information of preceding field or rear field.
Optionally, here be encoded to RM coding or Polar coding.By taking RM is encoded as an example, P is equal to 15.
Above-mentioned P=15 modulation symbol is carried on P element of the tune reference signal DMRS sequence of PBCH by the network equipment
On.Wherein, which is that PBCH is corresponding on P subcarrier in 127 subcarriers of synchronization signal bandwidth overlay
The element of DMRS sequence.
Optionally, which is 15 subcarriers obtained in 127 subcarriers every 8 subcarriers.
Provide another example again below.
The DMRS sequence that the length of PBCH is M is uniformly carried on except PBCH bandwidth Chong Die with synchronization signal by the network equipment
161 subcarriers in M subcarrier on.
Here M is the integer more than or equal to 1, and less than or equal to 161.Optionally, M can be equal to 40 or 53.
The network equipment is by the SS block time index of the 6 bits or SS block time index+half of 7 bits
Frame index obtains P modulation symbol after encoding, modulating.
Similarly, by taking RM is encoded as an example, P is equal to 15.
The P=15 modulation symbol is carried on P element of the first reference signal by the network equipment.Wherein, this P member
Element is PBCH corresponding on P subcarrier in 127 subcarriers that the overlapping bandwidth of synchronization signal includes first with reference to letter
Number element.
Optionally, which is 15 subcarriers obtained in 127 subcarriers every 8 subcarriers.
Wherein, the first reference signal here is a kind of reference signal different from the DMRS sequence of PBCH.About first
The explanation of reference signal can be with reference to description above, and which is not described herein again.
By step 210 and 220, the network equipment will indicate the information of the time-domain position of synchronization signal block (that is, the first letter
Breath) modulation, in the reference signal that is carried in PBCH bandwidth.
230, the network equipment sends the reference signal to user equipment, and user equipment receives the reference letter that the network equipment is sent
Number.
It should be understood that the network equipment sends the reference signal to user equipment, sent indeed through synchronization signal block.
According to the background introduction of this paper it is recognised that the network equipment periodically to user equipment send synchronization signal block, with realize to
Family equipment sends the signal in the synchronization signal block.In other words, the network equipment sends primary synchronization signal, auxiliary same to user equipment
Signal and PBCH are walked, and carries the reference signal on PBCH.Synchronization signal and PBCH are sent to user equipment by the network equipment,
Also the reference signal being carried in PBCH bandwidth user equipment has been sent to just.
240, user equipment obtains the P modulation symbol of reference signal carrying.
It is available to P modulation symbol being carried in the reference signal after user equipment receives reference signal.
250, user equipment handles the P modulation symbol, obtains the first information of synchronization signal block.
Here, the first information is handled as the network equipment, obtains the inverse process of the P modulation symbol.User sets
After getting the P modulation symbol, needs to handle the P modulation symbol, obtain the first information.
Similarly, if the network equipment is directly modulated the first information, the P modulation symbol is obtained.So, user
Equipment directly demodulates the P modulation symbol, so that it may obtain the first information.
If the network equipment first encodes the first information, the second information is obtained, then be modulated to the second information, obtained
To the P modulation symbol.So, user equipment first demodulates the P modulation symbol, obtains the second information.Again to
Two information are decoded, and obtain the first information.
260, user equipment according to the first information, determines the time-domain position of the synchronization signal block.
As it was noted above, the first information is used to indicate the time-domain position of the synchronization signal block.Therefore, user equipment is obtaining
To after the first information, the time-domain position of the synchronization signal block can be determined.
For example, if first information instruction be synchronization signal block time index, user equipment is assured that
The time index of synchronization signal block.In another example the first information also can indicate that synchronization signal block be located at radio frames preceding field or
Field afterwards.The synchronization signal block that user equipment indicates according to the first information is located at the preceding field or rear field of radio frames,
It can determine the time-domain position of synchronization signal block.
In the technical solution of the embodiment of the present application, taken by the reference signal in the PBCH bandwidth in synchronization signal block
Information with instruction synchronization signal block time-domain position, under some scenes for not needing the MIB that user equipment really reads PBCH,
It since the information is carried in reference signal, avoids the network equipment information is directly carried on PBCH and send, lead to UE
Detection complexity and time delay increase the problem of.Simultaneously as information of the network equipment to instruction synchronization signal block time-domain position
It is modulated, so that the anti-interference ability in message transmitting procedure enhances, so as to promote transmission performance.
Fig. 1 to Fig. 7 is combined above, and the method provided by the embodiments of the present application for sending signal and the method for receiving signal are made
It is described in detail.The network equipment provided by the embodiments of the present application and user equipment are illustrated below.
Fig. 8 is the schematic block diagram of the network equipment 500 provided by the embodiments of the present application.As shown in figure 8, the network equipment 500
Include:
Processing unit 510 is handled for the first information to synchronization signal block, obtains P modulation symbol, the first letter
Breath is used to indicate the time-domain position of synchronization signal block, and synchronization signal block includes synchronization signal and Physical Broadcast Channel PBCH, wherein
P >=1 and be integer；
Processing unit 510 is also used to for the P modulation symbol being carried in the reference signal in PBCH bandwidth；
Transmission unit 520, for sending the reference signal to user equipment.
Each unit and above-mentioned other operations or function in the network equipment 500 provided by the embodiments of the present application is respectively for reality
Corresponding process in the existing method provided by the present application for sending signal.For sake of simplicity, details are not described herein again.
Fig. 9 is the schematic block diagram of user equipment 600 provided by the embodiments of the present application.As shown in figure 9, user equipment 600
Include:
Receiving unit 610, for receiving the reference signal of network equipment transmission, which is carried on synchronization signal block
Including Physical Broadcast Channel PBCH bandwidth in, P modulation symbol is carried in the reference signal, which is
The first information of synchronization signal block is handled, the first information is used to indicate the time-domain position of synchronization signal block,
In, P >=1 and be integer；
Processing unit 620, user obtain the P modulation symbol of reference signal carrying；
Processing unit 620 is also used to handle the P modulation symbol, obtains the first information；
Processing unit 620 is also used to determine the time-domain position of synchronization signal block according to the first information.
Each unit and above-mentioned other operations or function in user equipment 600 provided by the embodiments of the present application is respectively for reality
Corresponding process in the existing method provided by the present application for receiving signal.For sake of simplicity, details are not described herein again.
Figure 10 is the schematic diagram of the network equipment 700 provided by the embodiments of the present application.As shown in Figure 10, the network equipment
700 include: one or more processors 701, one or more memories 702, one or more transceiver (each transceiver packets
Include transmitter 703 and receiver 704).Transmitter 703 or receiver 704 pass through antenna receiving and transmitting signal.It is stored in memory 702
Computer program instructions (in other words, code).Processor 701 executes the computer program instructions being stored in memory 702, with
Realize the corresponding process and/or operation in the embodiment of the method provided by the present application for sending signal.For sake of simplicity, no longer superfluous herein
It states.
It should be noted that the network equipment 500 shown in fig. 8 can by the network equipment 700 shown in Figure 10 come
It realizes.For example, processing unit 510 shown in fig. 8 can be realized by processor 701, transmission unit 520 can be by institute in Figure 10
Realization of transmitter 703 shown etc..
Figure 11 is the schematic diagram of user equipment 800 provided by the embodiments of the present application.As shown in figure 11, user equipment
800 include: one or more processors 801, one or more memories 802, one or more transceiver (each transceiver packets
Include transmitter 803 and receiver 804).Transmitter 803 or receiver 804 pass through antenna receiving and transmitting signal.It is stored in memory 802
Computer program instructions (in other words, code).Processor 801 executes the computer program instructions being stored in memory 802, with
Realize the corresponding process and/or operation in the embodiment of the method provided by the present application for receiving signal.For sake of simplicity, no longer superfluous herein
It states.
Similarly, user equipment 600 shown in Fig. 9 can be realized by user equipment 800 shown in Figure 11.Example
Such as, receiving unit 610 shown in Fig. 9 can the receiver 804 as shown in Figure 11 realize that processing unit 620 can be by
Device 801 is managed to realize.
In above embodiments, processor can be central processing unit (Central Processing Unit, CPU), micro- place
Manage device, application-specific integrated circuit (Application-Specific Integrated Circuit, ASIC) or one or
Multiple integrated circuits etc. for being used to control the execution of application scheme program.For example, processor may include digital signal processor
Equipment, micro processor device, analog-digital converter, digital analog converter etc..Processor can according to the respective function of these equipment and
The control of mobile device and the function of signal processing are distributed among these devices.In addition, processor may include operation one
Or the function of multiple software programs, software program can store in memory.
The function of processor can also execute corresponding software realization by hardware realization by hardware.Institute
It states hardware or software includes one or more modules corresponding with above-mentioned function.
Memory can be read-only memory (Read-Only Memory, ROM) or can store static information and instruction
Other kinds of static storage device, random access memory (Random Access Memory, RAM) or can store information
With the other kinds of dynamic memory of instruction.It is also possible to Electrically Erasable Programmable Read-Only Memory (Electrically
Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact Disc Read-
Only Memory, CD-ROM) or other optical disc storages, optical disc storage (including compression optical disc, laser disc, optical disc, digital universal
Optical disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store to have referring to
Enable or data structure form desired program code and can by any other medium of computer access, but not limited to this.
Optionally, above-mentioned memory and memory can be physically independent unit, alternatively, memory can also
To be integrated with processor.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
Scope of the present application.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) execute each embodiment the method for the application all or part of the steps.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (Read Only Memory, ROM), arbitrary access are deposited
The various media that can store program code such as reservoir (Random Access Memory, RAM), magnetic or disk.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain
Lid is within the scope of protection of this application.Therefore, the protection scope of the application shall be subject to the protection scope of the claim.
Claims (38)
1. a kind of method for sending signal characterized by comprising
The network equipment handles the first information of synchronization signal block, obtains P modulation symbol, the first information is for referring to
Show that the time-domain position of the synchronization signal block, the synchronization signal block include synchronization signal and Physical Broadcast Channel PBCH, wherein
P >=1 and be integer；
The P modulation symbol is carried in the reference signal in the PBCH bandwidth by the network equipment；
The network equipment sends the reference signal to user equipment.
2. the method according to claim 1, wherein the sequence of the reference signal includes M element, and,
The P modulation symbol is carried in the reference signal in the PBCH bandwidth by the network equipment, comprising:
The P in M element that the sequence that the P modulation symbol is carried on the reference signal is included by the network equipment
On element, M >=P and be integer.
3. according to the method described in claim 2, it is characterized in that, the P modulation symbol occupies P in the PBCH bandwidth
A subcarrier, the bandwidth that the synchronization signal occupies include the bandwidth of the P sub- carrier occupancies.
4. according to the method in any one of claims 1 to 3, which is characterized in that the first information is also used to indicate institute
State preceding field or rear field that synchronization signal block is located at radio frames.
5. method according to claim 1 to 4, which is characterized in that the network equipment is to synchronization signal block
The first information handled, comprising:
The network equipment encodes the first information, obtains the second information；
The network equipment is modulated second information, obtains the P modulation symbol.
6. the method according to any one of claims 1 to 5, which is characterized in that the bandwidth that the PBCH is occupied includes L
Subcarrier,
Wherein, the M element is carried on M subcarrier in the L subcarrier, and the M subcarrier includes S the
One subcarrier and T the second subcarriers, the bandwidth that the synchronization signal occupies do not include the band that the S the first subcarriers occupy
Width, the bandwidth that the synchronization signal occupies include the bandwidth that the T the second subcarriers occupy, the P modulation symbol carrying
On P the second subcarriers in the T the second subcarriers.
7. method according to any one of claim 1 to 6, which is characterized in that the reference signal is the PBCH's
Demodulated reference signal DMRS；Alternatively,
The reference signal is to be carried in the PBCH bandwidth different from the first of the demodulated reference signal DMRS of the PBCH
Reference signal.
8. the method according to the description of claim 7 is characterized in that being the DMRS different from the PBCH in the reference signal
The first reference signal in the case where, DMRS, the bandwidth that the synchronization signal occupies on frequency domain are also carried on the PBCH
Not comprising the bandwidth that the DMRS is occupied on frequency domain, the bandwidth that the synchronization signal occupies on frequency domain includes first ginseng
Examine the bandwidth that signal occupies on frequency domain.
9. the method according to any one of claim 5 to 8, which is characterized in that the network equipment is to first letter
Breath is encoded, including using any one in following coding mode:
Randt's Miller RM coding, Polarization Coding and low-density checksum LDPC coding.
10. a kind of method for receiving signal characterized by comprising
User equipment receives the reference signal that the network equipment is sent, and the reference signal is carried on the physics that synchronization signal block includes
In the bandwidth of broadcast channel PBCH, P modulation symbol is carried in the reference signal, the P modulation symbol is to described
What the first information of synchronization signal block was handled, the first information is used to indicate the time domain position of the synchronization signal block
Set, wherein P >=1 and be integer；
The user equipment obtains the P modulation symbol of the reference signal carrying；
The user equipment handles the P modulation symbol, obtains the first information；
It is described according to the first information, determine the time-domain position of the synchronization signal block.
11. described according to the method described in claim 10, it is characterized in that, the sequence of the reference signal includes M element
P modulation symbol is carried on P element in the M element that the sequence of the reference signal includes, M >=P and be integer.
12. according to the method for claim 11, which is characterized in that the P modulation symbol accounts in the PBCH bandwidth
With P subcarrier, the bandwidth that the synchronization signal occupies includes the bandwidth of the P sub- carrier occupancies.
13. method according to any one of claims 10 to 12, which is characterized in that the first instruction information is also used to
Indicate that the synchronization signal block is located at the preceding field or rear field of radio frames.
14. method described in any one of 0 to 13 according to claim 1, which is characterized in that the user equipment is to the P
Modulation symbol is handled, and the first information is obtained, comprising:
The user equipment demodulates the P modulation symbol, obtains the second information；
The user equipment is decoded second information, obtains the first information.
15. method described in any one of 0 to 14 according to claim 1, which is characterized in that the bandwidth that the PBCH is occupied includes
L subcarrier,
Wherein, the M element is carried on M subcarrier in the L subcarrier, and the M subcarrier includes S the
One subcarrier and T the second subcarriers, the bandwidth that the synchronization signal occupies do not include the band that the S the first subcarriers occupy
Width, the bandwidth that the synchronization signal occupies include the bandwidth that the T the second subcarriers occupy, the P modulation symbol carrying
On P the second subcarriers in the T the second subcarriers.
16. method described in any one of 0 to 15 according to claim 1, which is characterized in that the reference signal is the PBCH
Demodulated reference signal DMRS；Alternatively,
The reference signal is to be carried in the PBCH bandwidth different from the first of the demodulated reference signal DMRS of the PBCH
Reference signal.
17. according to the method for claim 16, which is characterized in that in the reference signal for different from the PBCH's
In the case where the first reference signal of DMRS, DMRS is also carried on the PBCH, what the synchronization signal occupied on frequency domain
Bandwidth does not include the bandwidth that occupies on frequency domain of the DMRS, and the bandwidth that the synchronization signal occupies on frequency domain includes described the
The bandwidth that one reference signal occupies on frequency domain.
18. method described in any one of 4 to 17 according to claim 1, which is characterized in that the P modulation symbol is described
The network equipment encodes the first information to obtain the second information, then second information is modulated,
In, the network equipment is using any one in following coding mode:
Randt's Miller RM coding, Polarization Coding and low-density checksum LDPC coding.
19. a kind of network equipment characterized by comprising
Processing unit is handled for the first information to synchronization signal block, obtains P modulation symbol, the first information
It is used to indicate the time-domain position of the synchronization signal block, the synchronization signal block includes synchronization signal and Physical Broadcast Channel
PBCH, wherein P >=1 and be integer；
The processing unit, in the reference signal for being also used to for the P modulation symbol being carried in the PBCH bandwidth；
Transmission unit, for sending the reference signal to user equipment.
20. the network equipment according to claim 19, which is characterized in that the sequence of the reference signal includes M element,
And the processing unit is specifically used for:
On the P element in M element for including by the sequence that the P modulation symbol is carried on the reference signal, M >=P
It and is integer.
21. the network equipment according to claim 20, which is characterized in that the P modulation symbol is in the PBCH bandwidth
Interior P subcarrier of occupancy, the bandwidth that the synchronization signal occupies include the bandwidth of the P sub- carrier occupancies.
22. the network equipment described in any one of 9 to 21 according to claim 1, which is characterized in that the first information is also used to
Indicate that the synchronization signal block is located at the preceding field or rear field of radio frames.
23. the network equipment described in any one of 9 to 22 according to claim 1, which is characterized in that the processing unit is specifically used
In:
The first information is encoded, the second information is obtained；
Second information is modulated, the P modulation symbol is obtained.
24. the network equipment described in any one of 9 to 23 according to claim 1, which is characterized in that the bandwidth that the PBCH is occupied
Including L subcarrier,
Wherein, the M element is carried on M subcarrier in the L subcarrier, and the M subcarrier includes S the
One subcarrier and T the second subcarriers, the bandwidth that the synchronization signal occupies do not include the band that the S the first subcarriers occupy
Width, the bandwidth that the synchronization signal occupies include the bandwidth that the T the second subcarriers occupy, the P modulation symbol
It is carried on P the second subcarriers in the T the second subcarriers.
25. the network equipment described in any one of 9 to 24 according to claim 1, which is characterized in that the reference signal is described
The demodulated reference signal DMRS of PBCH；Alternatively,
The reference signal is to be carried in the PBCH bandwidth different from the first of the demodulated reference signal DMRS of the PBCH
Reference signal.
26. the network equipment according to claim 25, which is characterized in that in the reference signal for different from the PBCH
DMRS the first reference signal in the case where, DMRS is also carried on the PBCH, the synchronization signal occupies on frequency domain
Bandwidth do not include the bandwidth that occupies on frequency domain of the DMRS, the bandwidth that the synchronization signal occupies on frequency domain includes described
The bandwidth that first reference signal occupies on frequency domain.
27. the network equipment according to any one of claim 23 to 26, which is characterized in that the processing unit is specifically used
In using any one in following coding mode, the first information is encoded:
Randt's Miller RM coding, Polarization Coding and low-density checksum LDPC coding.
28. a kind of user equipment characterized by comprising
Receiving unit, for receiving the reference signal of network equipment transmission, the reference signal is carried on synchronization signal block and includes
Physical Broadcast Channel PBCH bandwidth in, P modulation symbol is carried in the reference signal, the P modulation symbol is
The first information of the synchronization signal block is handled, the first information is used to indicate the synchronization signal block
Time-domain position, wherein P >=1 and be integer；
The processing unit is also used to obtain the P modulation symbol of the reference signal carrying；
The processing unit is also used to demodulate the P modulation symbol, obtains the first information；
The processing unit is also used to determine the time-domain position of the synchronization signal block according to the first information.
29. user equipment according to claim 28, which is characterized in that the sequence of the reference signal includes M element,
On the P element in M element that the sequence that the P modulation symbol is carried on the reference signal includes, M >=P and to be whole
Number.
30. user equipment according to claim 29, which is characterized in that the P modulation symbol is in the PBCH bandwidth
Interior P subcarrier of occupancy, the bandwidth that the synchronization signal occupies include the bandwidth of the P sub- carrier occupancies.
31. the user equipment according to any one of claim 28 to 30, which is characterized in that the first instruction information is also
It is used to indicate preceding field or rear field that the synchronization signal block is located at radio frames.
32. the user equipment according to any one of claim 28 to 31, which is characterized in that the processing unit is specifically used
In:
The P modulation symbol is demodulated, second information is obtained；
Second information is decoded, the first information is obtained.
33. the user equipment according to any one of claim 28 to 32, which is characterized in that the bandwidth that the PBCH is occupied
Including L subcarrier,
Wherein, the M element is carried on M subcarrier in the L subcarrier, and the M subcarrier includes S the
One subcarrier and T the second subcarriers, the bandwidth that the synchronization signal occupies do not include the band that the S the first subcarriers occupy
Width, the bandwidth that the synchronization signal occupies include the bandwidth that the T the second subcarriers occupy, the P modulation symbol carrying
On P the second subcarriers in the T the second subcarriers.
34. the user equipment according to any one of claim 28 to 33, which is characterized in that the reference signal is described
The demodulated reference signal DMRS of PBCH；Alternatively,
The reference signal is to be carried in the PBCH bandwidth different from the first of the demodulated reference signal DMRS of the PBCH
Reference signal.
35. user equipment according to claim 34, which is characterized in that in the reference signal for different from the PBCH
DMRS the first reference signal in the case where, DMRS is also carried on the PBCH, the synchronization signal occupies on frequency domain
Bandwidth do not include the bandwidth that occupies on frequency domain of the DMRS, the bandwidth that the synchronization signal occupies on frequency domain includes described
The bandwidth that first reference signal occupies on frequency domain.
36. the user equipment according to any one of claim 28 to 35, which is characterized in that the P modulation symbol be
The network equipment encodes the first information to obtain the second information, then is modulated to obtain to second information
, wherein the network equipment is using any one in following coding mode:
Randt's Miller RM coding, Polarization Coding and low-density checksum LDPC coding.
37. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer journey
Sequence, the computer program make the method for transmission signal described in any one of network equipment perform claim requirement 1 to 9.
38. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer journey
Sequence, the computer program make the method for reception signal described in any one of user equipment perform claim requirement 10 to 18.
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| CN201710459089.1A CN109150448B (en) | 2017-06-16 | 2017-06-16 | Method for transmitting and receiving signal, network equipment and user equipment |
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| CN201710459089.1A CN109150448B (en) | 2017-06-16 | 2017-06-16 | Method for transmitting and receiving signal, network equipment and user equipment |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109309552A (en) * | 2017-07-26 | 2019-02-05 | 维沃移动通信有限公司 | DMRS transmission method, the network equipment and the terminal of Physical Broadcast Channel |
| CN111417079A (en) * | 2019-01-08 | 2020-07-14 | 电信科学技术研究院有限公司 | Synchronous broadcast information sending and detecting method and device |
| CN111465091A (en) * | 2019-01-18 | 2020-07-28 | 华为技术有限公司 | Communication method and device |
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| CN112312331A (en) * | 2020-10-20 | 2021-02-02 | 捷开通讯(深圳)有限公司 | Physical broadcast channel and information transmission method and device |
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