CN109391449A - It is used for transmission the method and communication device of reference signal - Google Patents
It is used for transmission the method and communication device of reference signal Download PDFInfo
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- CN109391449A CN109391449A CN201710687928.5A CN201710687928A CN109391449A CN 109391449 A CN109391449 A CN 109391449A CN 201710687928 A CN201710687928 A CN 201710687928A CN 109391449 A CN109391449 A CN 109391449A
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- transmission
- reference signal
- network equipment
- terminal device
- antenna port
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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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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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
It is used for transmission the method and communication device of reference signal.The application provides method, the network equipment and the terminal device of a kind of communication.Including: first network equipment sends the first instruction information to terminal device, the first instruction information is used to indicate the first network equipment or the first antenna port of second network equipment transmission is identical as the second antenna port, wherein, the first antenna port is used for transmission synchronization blocks, and second antenna port is used for transmission reference signal.The embodiment of the present application can be improved spectrum efficiency.
Description
Technical field
This application involves the communications fields, and more particularly to the method that reference signal is used for transmission in the communications field
And communication device.
Background technique
The development of mobile service is higher and higher to the data rate and efficiency requirements of wireless communication.In future wireless system system
In system, Beamforming technology is used to transmit the energy limit of signal in some beam direction, to increase signal and reception
Efficiency.Beamforming technology can effectively expand the transmission range of wireless signal, signal interference be reduced, to reach higher
Communication efficiency and the higher network capacity of acquisition.However, in the communication network using Beamforming technology, it is necessary first to will send out
It send wave beam and receives wave beam matching, so that the gain of transmitting terminal to receiving end is maximum, otherwise can not obtain relatively high communication effect
Rate.In order to reach all standing, it is desirable that network equipment side is scanned wave beam.Beam scanning will bring many problems, wherein it
One is exactly the expense increase of broadcast message transmission.
Determine in order to reduce the expense of broadcast message transmission, in NR system the period of a variety of SS burst set, such as
It can be 5ms, 10ms, 20ms, 40ms, 80ms or 160ms etc..The network equipment can according to need the week that selection needs to transmit
Phase.In 5G NR system, as shown in Figure 1, several synchronization blocks (SS block) constitute a SS pulse (burst), several SS
Burst constitutes a SS pulse set (burst set).Wherein, a synchronization blocks refer to primary synchronization signal (Primary
Synchronization Signal, PSS)-Physical Broadcast Channel (Physical Broadcast Channel, PBCH)-auxiliary
The symbol combination of synchronization signal (Secondary Synchronization Signal, SSS)-PBCH, PSS and SSS are accounted for respectively
According to 144 subcarriers, PSCH occupies 288 carrier waves.
Include in each PBCH symbol demodulated reference signal (Demodulation Reference Signal, DMRS).It is existing
Have technology by a SS block PSS or SS (i.e. PSS and SSS's does not close on bandwidth portion for covered portions of bandwidth
Point) pilot tone is sent to demodulate the DMRS in PSCH adjacent with PSS or SSS in the SS block.But limit must for the program
Pilot tone must be sent using port identical with SS block is sent.In this way, limiting the realization of the network equipment, frequency spectrum is caused to imitate
Rate is low.
Summary of the invention
The application provides a kind of method for being used for transmission reference signal and communication device, can be improved spectrum efficiency.
In a first aspect, providing a kind of method for being used for transmission reference signal, comprising:
First network equipment sends the first instruction information to terminal device, and the first instruction information is used to indicate described the
The first antenna port that one network equipment or second network equipment are sent is identical as the second antenna port, wherein described first
Antenna port is used for transmission synchronization blocks, and second antenna port is used for transmission reference signal.
Optionally, the first network equipment sends second indication information, the second instruction letter to the terminal device
Breath is used to indicate at least one of time domain, frequency domain, sequence and transmission power of the reference signal of the second port transmission.
Second aspect provides a kind of method for being used for transmission reference signal, comprising:
Terminal device receives the first instruction information that first network equipment is sent, and the first instruction information is used to indicate institute
The first antenna port for stating first network equipment or the transmission of second network equipment is identical as the second antenna port, wherein described
First antenna port is used for transmission synchronization blocks, and second antenna port is used for transmission reference signal.
In the embodiment of the present application, the network equipment can also generate synchronization blocks and reference signal, wherein the synchronization blocks include
Physical Broadcast Channel PBCH, the PBCH include demodulated reference signal DMRS, first resource particle shared by the reference signal
At least partly resource particle RE in second resource particle RE shared by least partly resource particle RE and the DMRS in RE
Frequency location it is identical.
The network equipment sends the synchronization blocks and the reference signal to terminal device by same antenna port.
Here, the network equipment can be first network equipment or second network equipment.First network is set as terminal device
The network equipment in serving cell, second network equipment are the terminal device of the adjacent cell of the serving cell of terminal device.Also
It is to say, the network equipment can send above-mentioned synchronization blocks and reference signal to serving cell, can also be to the service of the network equipment
The adjacent cell of cell sends above-mentioned synchronization blocks and reference signal.It should be noted that adjacent cell here can be and the serving cell
Adjacent cell is also possible to be separated by the cell of one or more cells with the serving cell, the embodiment of the present application to this not
It limits.
Optionally, in the embodiment of the present application, the time index (time of the synchronization blocks is carried in the DMRS in the PBCH
Index), the time index of the synchronization blocks is used to determine the timing of the synchronization blocks affiliated subdistrict.
Here, the SS block of terminal device available cell and neighboring community.When terminal device acquisition is adjacent small
The SS block in area can obtain the timing of neighboring community according to the time index in SS block, and at this moment, terminal device can
Cell switching can be carried out according to the timing of neighboring community.
In the embodiment of the present application, first antenna port is identical as the second antenna port, it can be understood as the second antenna port
With orthogonal frequency division multiplexing (the Orthogonal Frequency Division transmitted on the first antenna port
Multiplexing, OFDM) symbol undergoes identical channel in transmission process.That is, first antenna port and second
The precoding for the OFDM symbol transmitted on antenna port is identical with beam forming.
In this way, the network equipment can close on bandwidth (when i.e. second in PSS/SSS with any data of dynamic dispatching and reference signal
Frequency resource) on send.If the demodulation of PBCH DMRS can be assisted by closing on the reference signal sent in bandwidth, user is notified,
So that for according to demodulation reference signal PBCH DMRS.Therefore the embodiment of the present application can be improved spectrum efficiency.
Optionally, the terminal device receives the second indication information that the network equipment is sent, the second instruction letter
Breath is used to indicate at least one of time domain, frequency domain, sequence and transmission power of the reference signal of the second port transmission.
Optionally, the synchronization blocks include primary synchronization signal PSS, secondary synchronization signal SSS and Physical Broadcast Channel PBCH,
In, RE's shared by the first resource particle RE and PSS or SSS shared by the reference signal of the second port transmission
Time-domain position is identical and frequency domain position is different.
Optionally, the reference signal of the second port transmission is carried on control resource set CORSET, physical down control
Channel PDCCH or physical down data channel PDSCH.
Optionally, the reference signal of the second port transmission includes at least one of the following: DMRS, CSI-RS,
PTRS and TRS.
Specifically, second indication information can inform terminal either explicitly or implicitly.When by the way of explicit
Notify terminal device when, second indication information can have at least one bit, the bit be used to indicate the RS time domain,
At least one of frequency domain, sequence and transmission power.
When notifying terminal device by the way of implicit, base station can inform that the second running time-frequency resource of terminal device is used to pass
Defeated concrete signal, terminal device can be inferred to the concrete signal of reference signal according to the signal of transmission.Also, it is using
When implicit mode notifies terminal device, the signaling overheads of the network equipment can be saved, improves the utilization rate of resource.
Terminal device is after the specifying information for obtaining these reference signals, such as these reference signals demodulate adjacent S S
PBCH DMRS in block obtains the information that DMRS is carried.
Optionally, the PBCH includes demodulated reference signal DMRS, wherein shared by the DMRS for including in the PBCH
Two resource particle RE are different from the time-domain position of RE shared by the PSS or the SSS and frequency domain position is different, the second end
Include at least partly resource particle RE and the PBCH in first resource particle RE shared by the reference signal of port transmission
At least partly frequency location of RE in 2nd RE shared by DMRS is identical.
In this way, through at least partly frequency location of RS as the frequency location of PBCH DMRS, or covering is all
The frequency location of PBCH DMRS RE enables terminal device preferably according to the demodulation reference signal PBCH DMRS, to mention
Height further increases the demodulation performance of DMRS sequence to the accuracy of the channel estimation of DMRS RE.
Optionally, if the quantity of the first RE is greater than the quantity of the 2nd RE, the part RE of the first resource
Frequency location it is identical as the frequency location of the 2nd RE;Or
If the quantity of the first RE is equal to the quantity of the 2nd RE, the frequency location of the first RE and described the
The position of part RE in two RE is identical;Or
If the quantity of the first RE is less than the quantity of the 2nd RE, the frequency location of the first RE and described the
The position of part RE in two RE is identical.
The third aspect provides a kind of communication device, is specifically as follows the network equipment, network equipment tool provided by the present application
There is the function of realizing network equipment behavior in above method first aspect comprising described in terms of for executing the above method
Step or the corresponding component of function (means).The step or function can by software realization or hardware realization, or
By hardware and software in conjunction with realizing.
In a kind of possible design, the above-mentioned network equipment includes one or more processors and Transmit-Receive Unit.Described one
A or multiple processors are configured as that the network equipment is supported to execute corresponding function in the above method.For example, DCI is generated,
Or generate instruction information and QCL information.The Transmit-Receive Unit is realized for supporting the network equipment to communicate with other equipment
Reception/sending function.For example, the DCI that the processor generates is sent, alternatively, sending the instruction information that the processor generates
With QCL information, RRC signaling etc. is sent.
In the application, "/" can indicate "and/or".
Optionally, the base station can also include one or more memories, and the memory is used to couple with processor,
It saves the necessary program instruction in base station and data.One or more of memories can be integrated with processor,
It can be separately positioned with processor.The application does not limit.
The network equipment can be base station or TRP etc., and the Transmit-Receive Unit can be transceiver or transmission circuit.
The network equipment can also be communication chip.The Transmit-Receive Unit can be the input/output electricity of communication chip
Road or interface.
In another possible design, the above-mentioned network equipment, including transceiver, processor and memory.The processor is used
In control transceiver receiving and transmitting signal, the memory is for storing computer program, and the processor from memory for calling simultaneously
The computer program is run, so that any in network equipment execution first aspect, second aspect, first aspect be able to achieve
The method that the network equipment is completed in any possible implementation of mode or second aspect.
Fourth aspect provides a kind of communication equipment, is specifically as follows terminal device, terminal device tool provided by the present application
There is the function of realizing terminal device behavior in above method second aspect comprising described in terms of for executing the above method
Step or the corresponding component of function (means).The step or function can by software realization or hardware realization, or
By hardware and software in conjunction with realizing.
In a kind of possible design, above-mentioned terminal device includes one or more processors and Transmit-Receive Unit.The receipts
Bill member realizes reception/sending function for supporting the terminal device to communicate with other equipment.For example, DCI is received, or
Receive instruction information and QCL information and rrc message etc..One or more of processors are configured as supporting the terminal
Equipment executes corresponding function in the above method.For example, determining DMRS port.
Optionally, the terminal device can also include one or more memories, and the memory is used for and processor
Coupling saves the necessary program instruction in base station and data.One or more of memories can be integrated in one with processor
It rises, it can also be separately positioned with processor.The application does not limit.
The terminal device can be UE etc., and the Transmit-Receive Unit can be transceiver or transmission circuit.
The terminal device can also be communication chip.The Transmit-Receive Unit can be the input/output electricity of communication chip
Road or interface.
In another possible design, above-mentioned terminal device, including transceiver, processor and memory.The processor is used
In control transceiver receiving and transmitting signal, the memory is for storing computer program, and the processor from memory for calling simultaneously
The computer program is run, so that any in terminal device execution first aspect, second aspect, first aspect be able to achieve
The method that the network equipment is completed in any possible implementation of mode or second aspect.
5th aspect, provides a kind of system, which includes above-mentioned terminal device and the network equipment.
6th aspect, provide a kind of computer program product, the computer program product include: computer program (
It is properly termed as code, or instruction), when the computer program is run, so that computer executes above-mentioned first aspect, second party
Method in face, first aspect in any possibility implementation or any possible implementation of second aspect.
7th aspect, provide a kind of computer-readable medium, the computer-readable medium storage have computer program (
Be properly termed as code, or instruction) when run on a computer so that computer execute above-mentioned first aspect, second aspect,
Method in first aspect in any possibility implementation or any possible implementation of second aspect.
Eighth aspect provides a kind of method of transmission of reference signals, comprising:
The network equipment generates synchronization blocks and reference signal, wherein the synchronization blocks include Physical Broadcast Channel PBCH, described
PBCH includes demodulated reference signal DMRS, at least partly resource particle in first resource particle RE shared by the reference signal
RE is identical as the frequency location of at least partly resource particle RE in second resource particle RE shared by the DMRS;
The network equipment sends the synchronization blocks and the reference signal to terminal device by same antenna port.
9th aspect, provides a kind of method of transmission of reference signals, comprising:
Terminal device receives the synchronization blocks and reference signal that the network equipment is sent by same antenna port, wherein described
Synchronization blocks include Physical Broadcast Channel PBCH, and the PBCH includes demodulated reference signal DMRS, shared by the reference signal
In second resource particle RE shared by least partly resource particle RE and the DMRS in one resource particle RE at least partly
The frequency location of resource particle RE is identical.
In this way, through at least partly frequency location of RS as the frequency location of PBCH DMRS, or covering is all
The frequency location of PBCH DMRS RE enables terminal device preferably according to the demodulation reference signal PBCH DMRS, to mention
Height further increases the demodulation performance of DMRS sequence to the accuracy of the channel estimation of DMRS RE.
Optionally, the synchronization blocks further include primary synchronization signal PSS and secondary synchronization signal SSS, shared by the reference signal
First resource particle RE it is identical as the time-domain position of RE shared by the PSS or the SSS and frequency domain position is different, it is described
Second resource particle RE shared by DMRS is different from the time-domain position of RE shared by the PSS or the SSS and frequency domain position not
Together.
Optionally, if the quantity of the first RE is greater than the quantity of the 2nd RE, the part RE of the first resource
Frequency location it is identical as the frequency location of the 2nd RE;Or
If the quantity of the first RE is equal to the quantity of the 2nd RE, the frequency location of the first RE and described the
The position of part RE in two RE is identical;Or
If the quantity of the first RE is less than the quantity of the 2nd RE, the frequency location of the first RE and described the
The position of part RE in two RE is identical.
Optionally, the reference signal is carried on control resource set CORSET, physical downlink control channel PDCCH or physics
Downstream data channel PDSCH.
Optionally, the reference signal is DMRS, CSI-RS, PTRS or TRS.
Tenth aspect, provides a kind of communication device, is specifically as follows the network equipment, network equipment tool provided by the present application
There is the function of network equipment behavior in terms of realizing above-mentioned 9th method comprising described in terms of for executing the above method
Step or the corresponding component of function (means).The step or function can by software realization or hardware realization, or
By hardware and software in conjunction with realizing.
In a kind of possible design, the above-mentioned network equipment includes one or more processors and Transmit-Receive Unit.Described one
A or multiple processors are configured as that the network equipment is supported to execute corresponding function in the above method.For example, DCI is generated,
Or generate instruction information and QCL information.The Transmit-Receive Unit is realized for supporting the network equipment to communicate with other equipment
Reception/sending function.For example, the DCI that the processor generates is sent, alternatively, sending the instruction information that the processor generates
With QCL information, RRC signaling etc. is sent.
In the application, "/" can indicate "and/or".
Optionally, the base station can also include one or more memories, and the memory is used to couple with processor,
It saves the necessary program instruction in base station and data.One or more of memories can be integrated with processor,
It can be separately positioned with processor.The application does not limit.
The network equipment can be base station or TRP etc., and the Transmit-Receive Unit can be transceiver or transmission circuit.
The network equipment can also be communication chip.The Transmit-Receive Unit can be the input/output electricity of communication chip
Road or interface.
In another possible design, the above-mentioned network equipment, including transceiver, processor and memory.The processor is used
In control transceiver receiving and transmitting signal, the memory is for storing computer program, and the processor from memory for calling simultaneously
The computer program is run, so that any in network equipment execution eighth aspect, the 9th aspect, eighth aspect be able to achieve
The method that the network equipment is completed in any possible implementation of mode or the 9th aspect.
On the one hand tenth, provides a kind of communication equipment, is specifically as follows terminal device, terminal device provided by the present application
Have the function of realizing terminal device behavior in above-mentioned tenth method aspect comprising described by terms of for executing the above method
The step of or the corresponding component of function (means).The step or function can by software realization or hardware realization, or
Person is by hardware and software in conjunction with realizing.
In a kind of possible design, above-mentioned terminal device includes one or more processors and Transmit-Receive Unit.The receipts
Bill member realizes reception/sending function for supporting the terminal device to communicate with other equipment.For example, DCI is received, or
Receive instruction information and QCL information and rrc message etc..One or more of processors are configured as supporting the terminal
Equipment executes corresponding function in the above method.For example, determining DMRS port.
Optionally, the terminal device can also include one or more memories, and the memory is used for and processor
Coupling saves the necessary program instruction in base station and data.One or more of memories can be integrated in one with processor
It rises, it can also be separately positioned with processor.The application does not limit.
The terminal device can be UE etc., and the Transmit-Receive Unit can be transceiver or transmission circuit.
The terminal device can also be communication chip.The Transmit-Receive Unit can be the input/output electricity of communication chip
Road or interface.
In another possible design, above-mentioned terminal device, including transceiver, processor and memory.The processor is used
In control transceiver receiving and transmitting signal, the memory is for storing computer program, and the processor from memory for calling simultaneously
The computer program is run, so that any in terminal device execution eighth aspect, the 9th aspect, eighth aspect be able to achieve
The method that the network equipment is completed in any possible implementation of mode or the 9th aspect.
12nd aspect, provides a kind of system, which includes above-mentioned terminal device and the network equipment.
13rd aspect, provides a kind of computer program product, which includes: computer program
(be referred to as code, or instruction), when the computer program is run, so that computer executes above-mentioned eighth aspect, the
The method in any possible implementation in nine aspects, eighth aspect in terms of any possible implementation or the 9th.
Fourteenth aspect provides a kind of computer-readable medium, which has computer program
(be referred to as code, or instruction) when run on a computer so that computer executes above-mentioned eighth aspect, the 9th side
The method in any possible implementation in face, eighth aspect in terms of any possibility implementation or the 9th.
Detailed description of the invention
Fig. 1 is the schematic diagram of one of the embodiment of the present application SS burst set.
Fig. 2 is the schematic diagram for the method that one of the embodiment of the present application is used for transmission reference signal.
Fig. 3 is the schematic diagram of one of the embodiment of the present application synchronization blocks.
Fig. 4 is the schematic diagram of another synchronization blocks in the embodiment of the present application.
Fig. 5 is the schematic block diagram of one of the embodiment of the present application network equipment.
Fig. 6 is the schematic block diagram of another network equipment in the embodiment of the present application.
Fig. 7 is the schematic block diagram of one of the embodiment of the present application terminal device.
Fig. 8 is the schematic block diagram of another terminal device in the embodiment of the present application.
Fig. 9 is the schematic block diagram of another network equipment in the embodiment of the present application.
Figure 10 has been the schematic block diagram of another network equipment of the embodiment of the present application.
Figure 11 is the schematic block diagram of another terminal device in the embodiment of the present application.
Figure 12 is the schematic block diagram of another terminal device in the embodiment of the present application.
Specific embodiment
Below in conjunction with attached drawing, the technical solution in the application is described.
The technical solution of the embodiment of the present application can be applied to various communication systems, such as: global system for mobile telecommunications (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
System, General Packet Radio Service (General Packet Radio Service, GPRS), long term evolution (Long Term
Evolution, LTE) system, LTE frequency division duplex (Frequency Division Duplex, FDD) system, LTE time division duplex
(Time Division Duplex, TDD), Universal Mobile Communication System (Universal Mobile
Telecommunication System, UMTS), global interconnection inserting of microwave (Worldwide Interoperability
For Microwave Access, WiMAX) communication system, following the 5th generation (5th Generation, 5G) system or new nothing
Line (New Radio, NR) etc..
Terminal device in the embodiment of the present application can refer to user equipment, access terminal, subscriber unit, subscriber station, movement
It stands, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless telecom equipment, user agent or user
Device.Terminal device can also be cellular phone, wireless phone, session initiation protocol (Session Initiation
Protocol, SIP) phone, wireless local loop (Wireless Local Loop, WLL) stand, personal digital assistant
(Personal Digital Assistant, PDA), the handheld device with wireless communication function calculate equipment or are connected to
Other processing equipments of radio modem, mobile unit, wearable device, terminal device in the following 5G network or not
Carry out the terminal device etc. in the Public Land Mobile Network network (Public Land Mobile Network, PLMN) of evolution,
The embodiment of the present application does not limit this.
The network equipment in the embodiment of the present application can be for the equipment with terminal equipment in communication, which can be with
It is global system for mobile telecommunications (Global System of Mobile communication, GSM) system or CDMA (Code
Division Multiple Access, CDMA) in base station (Base Transceiver Station, BTS), be also possible to
In wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) system base station (NodeB,
NB), can also be the evolved base station (Evolutional NodeB, eNB or eNodeB) in LTE system, can also be cloud without
Wireless controller or the network equipment under line access network (Cloud Radio Access Network, CRAN) scene
It can be relay station, access point, mobile unit, wearable device and the network equipment or the following evolution in future 5G network
PLMN network in the network equipment etc., the embodiment of the present application does not limit.
Fig. 2 shows the schematic diagrames of the method for the transmission of reference signals in the embodiment of the present application.It should be understood that Fig. 2 shows
The step of method of transmission of reference signals or operation, but these steps or operation are only examples, and the embodiment of the present application can also be held
The deformation of other operations of row or each operation in Fig. 2.In addition, each step in Fig. 2 can be presented not according to Fig. 2
With sequence execute, and it is possible to do not really want to execute all operationss in Fig. 2.
210, the network equipment generates synchronization blocks (SS block) and reference signal (Reference Signal, RS).
Specifically, as shown in Figure 1, synchronization blocks include primary synchronization signal PSS, secondary synchronization signal SSS and Physical Broadcast Channel
PBCH, the PBCH include demodulated reference signal DMRS, and the synchronization blocks are sent on the first running time-frequency resource.Here, claim
The DMRS for including in PBCH is PBCH DMRS.It is accorded with specifically, synchronization blocks and reference signal can be located at one or more OFDM
In number, OFDM symbol is specifically as follows symbol shown in above-mentioned Fig. 1.Wherein, shared by the demodulated reference signal PBCH DMRS
Second resource particle RE is different from the time-domain position of RE shared by the PSS or the SSS and frequency domain position is different.Specifically
, PSS and SSS occupy 144 subcarriers, and PBCH occupies 288 subcarriers, and PSS and SSS can not cover whole bands of PBCH
It is wide.
Specifically, including data resource particle (Resource Element, RE) and PBCH DMRS in each PBCH symbol
RE, wherein Master Information Block (Master Information Block, MIB) information is carried in data RE.PBCH DMRS makees
It can be used for solving adjusting data RE for reference signal.In 5G NR system, several bits can also be carried in the PBCH DMRS
(bit) information.
DMRS in PBCH be for terminal device it is unknown, terminal needs first to demodulate sequence (the i.e. DMRS of the DMRS
The information of above-mentioned several bit of middle carrying), the data RE in PBCH is then demodulated according to the DMRS.Specifically, terminal device
It needs first to demodulate PSS/SSS, channel estimation is then carried out to DMRS RE according to known PSS/SSS, then demodulates PBCH
DMRS sequence.
PSS/SSS/PBCH in one SS block is sent using identical antenna port.In this way, a SS
Number or simulation precoding (percoding) and beam forming (beamforming) in block are the same.This Shen
Above-mentioned synchronization blocks can please be sent on the first running time-frequency resource by first antenna port in embodiment.
In the embodiment of the present application, the network equipment can generate reference signal according to synchronization blocks, and the reference signal exists
It is sent on second running time-frequency resource.Wherein, first resource particle RE shared by the reference signal and the PSS or SSS institute
The time-domain position of the RE accounted for is identical and frequency domain position is different, and frequency domain position different from the time-domain position of RE shared by the PBCH
Part is identical, that is, RE shared by the PSS or SSS described in second running time-frequency resource and first running time-frequency resource when
Domain position is identical and frequency domain position is different, RE shared by PBCH described in second running time-frequency resource and first running time-frequency resource
Time-domain position it is different and frequency domain position part is identical.
That is, the second running time-frequency resource is the running time-frequency resource adjacent with SS block, and the second running time-frequency resource and PSS
The superimposed as bandwidth of PBCH of bandwidth or the superimposed as bandwidth of PBCH of the bandwidth of the second running time-frequency resource and SSS.Specifically
, Fig. 3 shows the schematic diagram of the first running time-frequency resource and the second running time-frequency resource (i.e. C portion) in the embodiment of the present application.In Fig. 3
PBCH symbol includes B, A and B three parts, and wherein part A is identical as the bandwidth of PSS or SSS, part B and the second running time-frequency resource
Bandwidth is identical.
220, the network equipment sends the synchronization blocks and the reference signal to terminal device.
Specifically, the network equipment can send above-mentioned synchronization blocks and reference signal to serving cell, it can also be to the network
The adjacent cell of the serving cell of equipment sends above-mentioned synchronization blocks and reference signal.It should be noted that adjacent cell here can be and institute
The adjacent cell of serving cell is stated, is also possible to be separated by the cell of one or more cells with the serving cell, the application is real
It applies example and this is not limited.
Optionally, in the embodiment of the present application, the time index (time of the synchronization blocks is carried in the DMRS in the PBCH
Index), the time index of the synchronization blocks is used to determine the timing of the synchronization blocks affiliated subdistrict.
Here, the SS block of terminal device available cell and neighboring community.When terminal device acquisition is adjacent small
The SS block in area can obtain the timing of neighboring community according to the time index in SS block, and at this moment, terminal device can
Cell switching can be carried out according to the timing of neighboring community.
Specifically, the network equipment can send the synchronization blocks to terminal device on the first running time-frequency resource, described the
Reference signal RS is sent to terminal device on two running time-frequency resources.Wherein, first resource particle RE shared by the reference signal with
The time-domain position of RE shared by the PSS or SSS is identical and frequency domain position is different, the demodulated reference signal PBCH
Second resource particle RE shared by DMRS is different from the time-domain position of RE shared by the PSS or the SSS and frequency domain position not
Together.
Optionally, at least partly money in the embodiment of the present application, in first resource particle RE shared by the reference signal
Source particle RE is identical as at least partly frequency location of RE in the 2nd RE shared by the PBCH DMRS.
Specifically, Fig. 4 shows the frequency location of the RE of RE and the PBCH DMRS of the reference signal in the embodiment of the present application
Schematic diagram.As it can be seen that if the quantity of the first RE is greater than the quantity of the 2nd RE, the part RE's of the first resource
Frequency location is identical as the frequency location of the 2nd RE.If the density of RS is higher than the density of PBCH DMRS, the RS of part is placed on
On the identical subcarrier of PBCH DMRS, i.e., as shown in part (c) in Fig. 4.
If the quantity of the first RE is equal to the quantity of the 2nd RE, the frequency location of the first RE and described the
The position of part RE in two RE is identical.If the density of RS is equal to the density of PBCH DMRS, all RS are placed on PBCH
On the identical subcarrier of DMRS, i.e., as shown in part (b) in Fig. 4.
If the quantity of the first RE is less than the quantity of the 2nd RE, the frequency location of the first RE and described the
The position of part RE in two RE is identical.In other words, if the density of RS is less than the density of PBCH DMRS, all RS are put
On the identical subcarrier of PBCH DMRS, i.e., as shown in part (a) in Fig. 4.
In addition, a synchronization blocks shown in Fig. 3 can have 4 adjacent C resources, (each C resource be may be considered
One above-mentioned second running time-frequency resource).The RS transmitted in the embodiment of the present application can be placed on 4 C resources shown in Fig. 3 or 4
Part C resource in C resource.Such as it is merely placed at 1 or 2 or 3 C resource part therein.For example, when RS is placed on wherein 2 C money
When source, it is merely placed at 2 C resources with PSS frequency division, or 2 C resources with SSS frequency division.
Specifically, can provide not needing base station at this time in which C resource part transmission RS and additionally lead in the protocol
Know.Alternatively, can also notify terminal device transmits RS in which C resource part by base station.Such as base station utilizes and SSS frequency
The C resource transmission " the control channel PDCCH for dispatching the smallest system information (minimum system information) " divided,
Then default RS to be placed in 2 C resources with SSS frequency division.
Optionally, at least partly resource particle RE in the first resource particle RE shared by the reference signal with it is described
When at least partly frequency location of RE in 2nd RE shared by PBCH DMRS is identical, the network equipment can pass through the same day
Line end mouth (i.e. above-mentioned first antenna port) sends the synchronization blocks and the reference signal to terminal device.In this way, by extremely
The frequency location of small part RS is as the frequency location of PBCH DMRS, or the frequency position of all PBCH DMRS RE of covering
It sets, terminal device is enabled preferably according to the demodulation reference signal PBCH DMRS, to improve the letter to PBCH DMRS RE
The accuracy of road estimation, further increases the demodulation performance of PBCH DMRS sequence.
Alternatively, optional, the network equipment can send the synchronization blocks and institute to terminal device by the second antenna port
State reference signal.
Specifically, the network equipment can also (port numbers of the second antenna port can be with first by the second antenna port
The port numbers of antenna port are different) reference signal is sent to terminal device on the second running time-frequency resource, which can use
PBCH DMRS sequence is demodulated in terminal device.
It should be understood that reference signal is the reference signal sent on the second running time-frequency resource, the reference in the embodiment of the present application
Signal is for demodulating the PBCH DMRS in the first running time-frequency resource.
230, the network equipment sends the first instruction information to terminal device.
Here, the first instruction information be used to indicate that the first network equipment or second network equipment send the
One antenna port is identical as the second antenna port, wherein the first antenna port is used for transmission synchronization blocks, second antenna
Port is used for transmission reference signal.
Specifically, first network equipment is the network equipment of the serving cell of terminal device, i.e., first network equipment is eventually
The serving BS or service network apparatus of end equipment.Second network equipment is the network equipment of the adjacent cell of the serving cell.Tool
Body, serving cell and adjacent cell may refer to described above, and to avoid repeating, which is not described herein again.Specifically, such as
The reference signal sent in bandwidth resources is closed in PSS/SSS by fruit neighboring community can assist the demodulation of PBCH DMRS, then currently
The first instruction information can be sent to terminal device by the service network apparatus (such as serving BS) of terminal device.
In the embodiment of the present application, first antenna port is identical as the second antenna port, it can be understood as the second antenna port
With orthogonal frequency division multiplexing (the Orthogonal Frequency Division transmitted on the first antenna port
Multiplexing, OFDM) symbol undergoes identical channel in transmission process.That is, first antenna port and second
The precoding for the OFDM symbol transmitted on antenna port is identical with beam forming.
In this way, the network equipment can close on bandwidth (when i.e. second in PSS/SSS with any data of dynamic dispatching and reference signal
Frequency resource) on send.If the demodulation of PBCH DMRS can be assisted by closing on the reference signal sent in bandwidth, user is notified,
So that for according to demodulation reference signal PBCH DMRS.
Specifically, the first instruction information can be carried on PBCH, RMSI, broadcast other systems message (System
Information, SI), on demand (on demand) other SI, Downlink Control Information (Downlink Control
Information, DCI) signaling, media access control (Medium Access Control, MAC) signaling, wireless heterogeneous networks
In (Radio Resource Control, RRC) signaling.
Optionally, the network equipment can also send second indication information, second instruction to the terminal device
Information is used to indicate at least one of time domain, frequency domain, sequence and transmission power of the RS.
Also, second indication information can also be carried on above-mentioned PBCH, RMSI, broadcast other SI, on demand other
SI, DCI signaling, MAC signaling, in RRC signaling.Specifically, second indication information can be used it is pre- in above-mentioned signaling or message
It writes down characters section, or improves resource with other field combined codings in above-mentioned signaling so as to reduce the signaling overheads of system
Utilization rate.
Specifically, second indication information can inform terminal either explicitly or implicitly.When by the way of explicit
Notify terminal device when, second indication information can have at least one bit, the bit be used to indicate the RS time domain,
At least one of frequency domain, sequence and transmission power.
When notifying terminal device by the way of implicit, base station can inform that the second running time-frequency resource of terminal device is used to pass
Defeated concrete signal, terminal device can be inferred to the concrete signal of reference signal according to the signal of transmission.Also, it is using
When implicit mode notifies terminal device, the signaling overheads of the network equipment can be saved, improves the utilization rate of resource.
Optionally, the RS can be carried under control resource set CORSET, physical downlink control channel PDCCH, physics
Row data channel PDSCH.Wherein include the DMRS for solving adjusting data in CORSET, PDCCH and PDSCH.
Optionally, in the embodiment of the present application, the RS can be DMRS, CSI-RS, PTRS or TRS.
That is, the second running time-frequency resource can be used to transmit CORSET, PDCCH or PDSCH comprising DMRS, it can also be with
For transmitting CSI-RS, PTRS or TRS.
240, terminal device demodulates the PBCH DMRS.
Specifically, terminal device can solve PBCH DMRS according to reference signal received on first antenna port
It adjusts.Because of at least partly resource particle RE and the PBCH DMRS in first resource particle RE shared by the reference signal
At least partly frequency location of RE in the 2nd shared RE is identical, thus terminal device can be preferably according to described with reference to letter
Number demodulation PBCH DMRS, improves the accuracy to the channel estimation of PBCH DMRS RE, further increases PBCH DMRS sequence
Demodulation performance.
Alternatively, terminal device can use on the second antenna port after receiving the first instruction information
The RS of transmission demodulates PBCH DMRS.
Also, terminal device can receive the second indication information of network equipment transmission, determine the specific letter of reference signal
It ceases, for example, at least one of the time domain of reference signal, frequency domain, sequence and transmission power.
Alternatively, after terminal device receives reference signal on the second running time-frequency resource, it can be according to the specific letter of transmission
Number, it is inferred to the specifying information of reference signal, for example, in the time domain of reference signal, frequency domain, sequence and transmission power at least
It is a kind of.
For example, reference signal can be carried under control resource set CORSET, physical downlink control channel PDCCH, physics
Row data channel PDSCH.Wherein include the DMRS for solving adjusting data in CORSET, PDCCH and PDSCH.At this point, terminal device
The specifying information of reference signal can be determined according to the resource or channel that reference signal specifically carries.For example, if transmission is
PDCCH, for the information of the DMRS carried inside PDCCH, user can by one or more following Given information come
It is inferred to the specifying information of reference signal: time domain, frequent position, cell ID (ID) where PDCCH, user identifier (ID),
DMRS port number etc..
Alternatively, the reference signal can be DMRS, CSI-RS, PTRS or TRS.Terminal device can be according to reference signal
Concrete type (concrete type of reference signal is, for example, DMRS, CSI-RS, PTRS or TRS) determine the specific letter of reference signal
Breath.For example, user can be inferred to refer to by one or more following Given information if transmission is CSI-RS
The specifying information of signal CSI-RS: time domain, frequent position where CSI-RS, cell ID (ID), user identifier (ID), CSI-
RS port numbers etc..
In another example the network equipment can be by the resource of DMRS, CSI-RS, PTRS or the TRS transmitted on the second running time-frequency resource
In setting (resource setting), resource set (resource set), resource (resource) and port (port) information
It is at least one inform terminal, and inform which port of terminal device and transmit the symbol that the antenna port of SS block is sent
Channel having the same.At this moment, terminal device according to the resource of the RS sent on the identical port transmission SS block
Setting and/or resource set and/or resource and/or port information knows the specific of reference signal
Information.Terminal device is after the specifying information for obtaining these reference signals, such as these reference signals demodulate adjacent S S
PBCH DMRS in block obtains the information that PBCH DMRS is carried.
As an example, the network equipment can notify terminal device to transmit port in bandwidth resources in closing on for PSS/SSS
Number DMRS for being 5, and this port and the port 0 of adjacent S S block are identical, and terminal device notifies it receive the network equipment
Afterwards, PBCH DMRS can be demodulated using the DMRS.Or network equipment notice terminal device PSS/SSS closes on bandwidth resources
On transmit the TRS that port numbers are 20, and this port and the port 0 of adjacent S S Block are identical, and terminal device is receiving network
After the notice of equipment, PBCH DMRS can be demodulated using the DMRS.
Therefore, in the embodiment of the present application, the network equipment sends synchronization blocks to terminal device by first antenna port, passes through
Second antenna port to terminal device send reference signal, and to terminal device transmission be used to indicate second antenna port with
The first antenna port identical first indicates information, allows terminal device according to the first instruction information and with reference to letter
Number, PBCH DMRS in SS block is demodulated.By the method for the transmission of reference signals of the embodiment of the present application, network is set
It is standby neatly to select antenna port to send reference signal to terminal device in closing in bandwidth for PSS/SSS, thus can be with
Improve the spectrum efficiency of communication system.
Also, at least partly resource particle RE in the first resource particle RE shared by the reference signal with it is described
At least partly frequency location of RE in 2nd RE shared by PBCH DMRS is identical, and the network equipment uses the second antenna port
When sending reference signal, the demodulation of PBCH DMRS sequence can be further increased while improving system spectral efficiency
Performance.
In the embodiment of the present application, communication device can be the network equipment or terminal device.Below in conjunction with Fig. 5 to Figure 12
Communication device in the embodiment of the present application is described.
Fig. 5 shows a kind of schematic block diagram of network equipment 500 of the embodiment of the present application.The network equipment 500 includes hair
Send unit 510.
Transmission unit 510, for sending the first instruction information to terminal device, the first instruction information is used to indicate institute
It is identical as the second antenna port to state the first antenna port that the network equipment or second network equipment are sent, wherein described first
Antenna port is used for transmission synchronization blocks, and second antenna port is used for transmission reference signal.
It should be noted that transmission unit 510 can be realized by transceiver in the embodiment of the present invention.As shown in fig. 6, the network equipment
600 may include processor 610, memory 620 and transceiver 630.Wherein, memory 620 can be used for storage processor 610
The code etc. of execution, processor 610 can be used for handling data or program.
During realization, each step of the above method can pass through the integrated logic circuit of the hardware in processor 610
Or the instruction of software form is completed.The step of method in conjunction with disclosed in the embodiment of the present invention, can be embodied directly at hardware
Reason device executes completion, or in processor hardware and software module combine and execute completion.Software module can be located at random
Memory, flash memory, read-only memory, the abilities such as programmable read only memory or electrically erasable programmable memory, register
In the storage medium of domain maturation.The storage medium is located at memory 620, and processor 610 reads the information in memory 620, knot
Close the step of its hardware completes the above method.To avoid repeating, it is not detailed herein.
It is real that the network equipment 500 or the network equipment shown in fig. 6 600 shown in fig. 5 can be realized aforementioned method shown in Fig. 2
The corresponding each process of example is applied, specifically, the network equipment 500 or the network equipment 600 may refer to the description in above-mentioned Fig. 2,
To avoid repeating, which is not described herein again.
The embodiment of the present application provides a kind of computer-readable medium, for storing computer program, the computer program
Including the instruction for executing the corresponding method of terminal device in the various implementations in above-mentioned Fig. 2.
The embodiment of the present application also provides a kind of communication chips, wherein instruction is stored with, when it is in the network equipment 500 or net
When being run in network equipment 600, so as to execute the network equipment in the various implementations in above-mentioned Fig. 2 corresponding for the communication chip
Method.
Fig. 7 shows a kind of schematic block diagram of terminal device 700 of the embodiment of the present application.Terminal device 700 includes connecing
Receive unit 710.
Receiving unit 710, for receiving the first instruction information of first network equipment transmission, the first instruction information is used
It is identical as the second antenna port in the first antenna port for indicating that the first network equipment or second network equipment are sent,
In, the first antenna port is used for transmission synchronization blocks, and second antenna port is used for transmission reference signal.
It should be noted that receiving unit 710 can be realized by transceiver in the embodiment of the present invention.As shown in figure 8, terminal device
800 may include processor 810, memory 820 and transceiver 830.Wherein, memory 820 can be used for storage processor 810
The code etc. of execution, processor 810 can be used for handling data or program.
During realization, each step of the above method can pass through the integrated logic circuit of the hardware in processor 810
Or the instruction of software form is completed.The step of method in conjunction with disclosed in the embodiment of the present invention, can be embodied directly at hardware
Reason device executes completion, or in processor hardware and software module combine and execute completion.Software module can be located at random
Memory, flash memory, read-only memory, the abilities such as programmable read only memory or electrically erasable programmable memory, register
In the storage medium of domain maturation.The storage medium is located at memory 820, and processor 810 reads the information in memory 820, knot
Close the step of its hardware completes the above method.To avoid repeating, it is not detailed herein.
It is real that terminal device 700 or terminal device shown in Fig. 8 800 shown in Fig. 7 can be realized aforementioned method shown in Fig. 2
The corresponding each process of example is applied, specifically, the terminal device 700 or terminal device 800 may refer to the description in above-mentioned Fig. 2,
To avoid repeating, which is not described herein again.
The embodiment of the present application provides a kind of computer-readable medium, for storing computer program, the computer program
Including the instruction for executing the corresponding method of terminal device in the various implementations in above-mentioned Fig. 2.
The embodiment of the present application also provides a kind of communication chips, wherein instruction is stored with, when it is at terminal device 700 or end
When being run in end equipment 800, so as to execute terminal device in the various implementations in above-mentioned Fig. 2 corresponding for the communication chip
Method.
Fig. 9 shows a kind of schematic block diagram of network equipment 900 of the embodiment of the present application.The network equipment 900 includes life
At unit 910 and transmission unit 920.
Generation unit 910, for generating synchronization blocks and reference signal, wherein the synchronization blocks include primary synchronization signal
PSS, secondary synchronization signal SSS and Physical Broadcast Channel PBCH, the PBCH include demodulated reference signal DMRS, the reference signal
In second resource particle RE shared by least partly resource particle RE and the DMRS in shared first resource particle RE
The frequency location of at least partly resource particle RE is identical;
Transmission unit 920, for sending the synchronization blocks and the reference letter to terminal device by same antenna port
Number.
It should be noted that generation unit 910 can be realized by processor, and transmission unit 920 can be by receiving in the embodiment of the present invention
Device is sent out to realize.As shown in Figure 10, the network equipment 1000 may include processor 1010, memory 1020 and transceiver 1030.Its
In, memory 1020 can be used for the code etc. of the execution of storage processor 1010, and processor 1010 can be used for data or journey
Sequence is handled.
During realization, each step of the above method can pass through the integrated logic circuit of the hardware in processor 1010
Or the instruction of software form is completed.The step of method in conjunction with disclosed in the embodiment of the present invention, can be embodied directly at hardware
Reason device executes completion, or in processor hardware and software module combine and execute completion.Software module can be located at random
Memory, flash memory, read-only memory, the abilities such as programmable read only memory or electrically erasable programmable memory, register
In the storage medium of domain maturation.The storage medium is located at memory 1020, and processor 1010 reads the information in memory 1020,
The step of completing the above method in conjunction with its hardware.To avoid repeating, it is not detailed herein.
The network equipment 900 or the network equipment shown in Fig. 10 1000 shown in Fig. 9 can be realized aforementioned method shown in Fig. 2
The corresponding each process of embodiment, specifically, the network equipment 900 or the network equipment 1000 may refer to retouching in above-mentioned Fig. 2
It states, to avoid repeating, which is not described herein again.
The embodiment of the present application provides a kind of computer-readable medium, for storing computer program, the computer program
Including the instruction for executing the corresponding method of terminal device in the various implementations in above-mentioned Fig. 2.
The embodiment of the present application also provides a kind of communication chips, wherein instruction is stored with, when it is in the network equipment 900 or net
When being run in network equipment 1000, so that the communication chip executes the network equipment in the various implementations in above-mentioned Fig. 2 and corresponds to
Method.
Figure 11 shows a kind of schematic block diagram of terminal device 1100 of the embodiment of the present application.Terminal device 1100 includes
Receiving unit 1110.
Receiving unit 1110, the synchronization blocks and reference signal sent for receiving the network equipment by same antenna port,
Wherein, the synchronization blocks include primary synchronization signal PSS, secondary synchronization signal SSS and Physical Broadcast Channel PBCH, the PBCH include
At least partly resource particle RE in demodulated reference signal DMRS, first resource particle RE shared by the reference signal with it is described
The frequency location of at least partly resource particle RE in second resource particle RE shared by PBCH DMRS is identical.
It should be noted that receiving unit 1110 can be realized by transceiver in the embodiment of the present invention.As shown in figure 12, terminal is set
Standby 1200 may include processor 1210, memory 1220 and transceiver 1230.Wherein, memory 1220 can be used for storing place
The code etc. that device 1210 executes is managed, processor 1210 can be used for handling data or program.
During realization, each step of the above method can pass through the integrated logic circuit of the hardware in processor 1210
Or the instruction of software form is completed.The step of method in conjunction with disclosed in the embodiment of the present invention, can be embodied directly at hardware
Reason device executes completion, or in processor hardware and software module combine and execute completion.Software module can be located at random
Memory, flash memory, read-only memory, the abilities such as programmable read only memory or electrically erasable programmable memory, register
In the storage medium of domain maturation.The storage medium is located at memory 1220, and processor 1210 reads the information in memory 1220,
The step of completing the above method in conjunction with its hardware.To avoid repeating, it is not detailed herein.
Terminal device 1200 shown in terminal device 1100 or Figure 12 shown in Figure 11 can be realized aforementioned side shown in Fig. 2
The corresponding each process of method embodiment, specifically, the terminal device 1100 or terminal device 1200 may refer in above-mentioned Fig. 2
Description, to avoid repeating, which is not described herein again.
The embodiment of the present application provides a kind of computer-readable medium, for storing computer program, the computer program
Including the instruction for executing the corresponding method of terminal device in the various implementations in above-mentioned Fig. 2.
The embodiment of the present application also provides a kind of communication chips, wherein be stored with instruction, when its in terminal device 1100 or
When being run on terminal device 1200, so that the communication chip executes terminal device pair in the various implementations in above-mentioned Fig. 2
The method answered.
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 should be based on the protection scope of the described claims.
Claims (18)
1. a kind of method for being used for transmission reference signal characterized by comprising
First network equipment sends the first instruction information to terminal device, and the first instruction information is used to indicate first net
The first antenna port that network equipment or second network equipment are sent is identical as the second antenna port, wherein the first antenna
Port is used for transmission synchronization blocks, and second antenna port is used for transmission reference signal.
2. method according to claim 1 or 2, which is characterized in that further include:
The first network equipment sends second indication information to the terminal device, and the second indication information is used to indicate institute
State at least one of time domain, frequency domain, sequence and the transmission power of the reference signal of second port transmission.
3. a kind of method for being used for transmission reference signal characterized by comprising
Terminal device receives the first instruction information that first network equipment is sent, and the first instruction information is used to indicate described the
The first antenna port that one network equipment or second network equipment are sent is identical as the second antenna port, wherein described first
Antenna port is used for transmission synchronization blocks, and second antenna port is used for transmission reference signal.
4. according to the method described in claim 3, it is characterized by further comprising:
The terminal device receives the second indication information that the network equipment is sent, and the second indication information is used to indicate institute
State at least one of time domain, frequency domain, sequence and the transmission power of the reference signal of second port transmission.
5. method according to any one of claims 1 to 4, which is characterized in that the synchronization blocks include primary synchronization signal
PSS, secondary synchronization signal SSS and Physical Broadcast Channel PBCH, wherein first shared by the reference signal of the second port transmission
Resource particle RE is identical as the time-domain position of RE shared by the PSS or the SSS and frequency domain position is different.
6. method according to claim 1-5, which is characterized in that the reference signal of the second port transmission is held
It is loaded in control resource set CORSET, physical downlink control channel PDCCH or physical down data channel PDSCH.
7. method according to claim 1-6, which is characterized in that the reference signal packet of the second port transmission
Include at least one of the following: DMRS, CSI-RS, PTRS and TRS.
8. according to the described in any item methods of claim 5-7, which is characterized in that
The PBCH includes demodulated reference signal DMRS, wherein second resource particle shared by the DMRS for including in the PBCH
RE is different from the time-domain position of RE shared by the PSS or the SSS and frequency domain position is different, the ginseng of the second port transmission
It examines shared by the DMRS for including at least partly resource particle RE and the PBCH in first resource particle RE shared by signal
At least partly frequency location of RE in 2nd RE is identical.
9. according to the method described in claim 8, it is characterized in that,
If the quantity of the first RE be greater than the 2nd RE quantity, the frequency location of the part RE of the first resource with
The frequency location of 2nd RE is identical;Or
If the quantity of the first RE is equal to the quantity of the 2nd RE, the frequency location and the 2nd RE of the first RE
In part RE position it is identical;Or
If the quantity of the first RE is less than the quantity of the 2nd RE, the frequency location and the 2nd RE of the first RE
In part RE position it is identical.
10. a kind of communication device characterized by comprising
Transmission unit, for sending the first instruction information to terminal device, the first instruction information is used to indicate the network
The first antenna port that equipment or second network equipment are sent is identical as the second antenna port, wherein the first antenna end
Mouth is used for transmission synchronization blocks, and second antenna port is used for transmission reference signal.
11. communication equipment according to claim 10, which is characterized in that the transmission unit is also used to:
Second indication information is sent to the terminal device, the second indication information is used to indicate the second port transmission
At least one of time domain, frequency domain, sequence and transmission power of reference signal.
12. a kind of communication device characterized by comprising
Receiving unit, for receiving the first instruction information of first network equipment transmission, the first instruction information is used to indicate
The first antenna port that the first network equipment or second network equipment are sent is identical as the second antenna port, wherein institute
It states first antenna port and is used for transmission synchronization blocks, second antenna port is used for transmission reference signal.
13. communication device according to claim 12, which is characterized in that the receiving unit is also used to:
The second indication information that the first network equipment is sent is received, the second indication information is used to indicate the second end
At least one of time domain, frequency domain, sequence and transmission power of the reference signal of port transmission.
14. communication device according to any one of claims 10 to 13, which is characterized in that the synchronization blocks include main synchronization
Signal PSS, secondary synchronization signal SSS and Physical Broadcast Channel PBCH, wherein shared by the reference signal of the second port transmission
First resource particle RE is identical as the time-domain position of RE shared by the PSS or the SSS and frequency domain position is different.
15. communication device according to any one of claims 10 to 14, which is characterized in that the ginseng of the second port transmission
Signaling bearer is examined in control resource set CORSET, physical downlink control channel PDCCH or physical down data channel PDSCH.
16. communication device according to any one of claims 10 to 15, which is characterized in that the ginseng of the second port transmission
Examining signal includes at least one of the following: DMRS, CSI-RS, PTRS and TRS.
17. communication device according to any one of claims 10 to 16, which is characterized in that
The PBCH includes demodulated reference signal DMRS, the second money shared by the demodulated reference signal DMRS for including in the PBCH
Source particle RE is different from the time-domain position of RE shared by the PSS or the SSS and frequency domain position is different, the second end oral instructions
The DMRS for including at least partly resource particle RE and the PBCH in first resource particle RE shared by defeated reference signal
At least partly frequency location of RE in the 2nd shared RE is identical.
18. communication device according to any one of claims 10 to 17 characterized by comprising
If the quantity of the first RE be greater than the 2nd RE quantity, the frequency location of the part RE of the first resource with
The frequency location of 2nd RE is identical;Or
If the quantity of the first RE is equal to the quantity of the 2nd RE, the frequency location and the 2nd RE of the first RE
In part RE position it is identical;Or
If the quantity of the first RE is less than the quantity of the 2nd RE, the frequency location and the 2nd RE of the first RE
In part RE position it is identical.
Priority Applications (2)
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CN201710687928.5A CN109391449B (en) | 2017-08-11 | 2017-08-11 | Method and communication device for transmitting reference signal |
PCT/CN2018/096587 WO2019029346A1 (en) | 2017-08-11 | 2018-07-23 | Method used for transmitting reference signal and communication device |
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CN201710687928.5A CN109391449B (en) | 2017-08-11 | 2017-08-11 | Method and communication device for transmitting reference signal |
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WO2020211767A1 (en) * | 2019-04-16 | 2020-10-22 | 华为技术有限公司 | Method and apparatus for data transmission |
CN112398619A (en) * | 2019-08-16 | 2021-02-23 | 上海朗桦通信技术有限公司 | Method and apparatus in a node used for wireless communication |
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WO2022027501A1 (en) * | 2020-08-06 | 2022-02-10 | 北京小米移动软件有限公司 | Reference signal configuration and reception methods, apparatus, network device, user equipment, and storage medium |
CN115473614A (en) * | 2021-06-11 | 2022-12-13 | ***通信有限公司研究院 | CSI reporting method and device, terminal equipment and network equipment |
CN116156481A (en) * | 2020-02-19 | 2023-05-23 | Oppo广东移动通信有限公司 | Antenna switching capability indication method, terminal equipment and communication equipment |
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WO2019029346A1 (en) | 2019-02-14 |
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