CN108809586A - Sending method, method of reseptance, network side equipment and the terminal device of information - Google Patents

Sending method, method of reseptance, network side equipment and the terminal device of information Download PDF

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Publication number
CN108809586A
CN108809586A CN201710313803.6A CN201710313803A CN108809586A CN 108809586 A CN108809586 A CN 108809586A CN 201710313803 A CN201710313803 A CN 201710313803A CN 108809586 A CN108809586 A CN 108809586A
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China
Prior art keywords
ofdm symbol
reference signal
information
phase difference
resource
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Granted
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CN201710313803.6A
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Chinese (zh)
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CN108809586B (en
Inventor
吴凯
沈晓冬
丁昱
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0637—Properties of the code
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0637—Properties of the code
    • H04L1/0668—Orthogonal systems, e.g. using Alamouti codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • 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

Abstract

The present invention provides a kind of sending method of information, method of reseptance, network side equipment and terminal device, method：In the first OFDM symbol and the second OFDM symbol in synchronizing signal resource each resource group in the block, reference signal is mapped respectively, synchronizing signal resource all OFDM symbols in the block are sent, wherein, the phase difference between the corresponding reference signal of the first OFDM symbol reference signal corresponding with the second OFDM symbol in each resource group indicates the information of at least one bit.Different information bits is indicated by the phase difference between two OFDM symbol reference signals, avoids passing through channel bearing information, improves transmission performance.

Description

Sending method, method of reseptance, network side equipment and the terminal device of information
Technical field
The present invention relates to wireless communication technique more particularly to a kind of sending method of information, method of reseptance, network side equipments And terminal device.
Background technology
In the 5th third-generation mobile communication technology (5th-Generation, abbreviation 5G) system, also referred to as new wireless technology (New Radio, NR) system, in the design of NR systems, the design of broadcast channel is different from long term evolution (Long Term Evolution, abbreviation LTE) system, the Physical Broadcast Channel (Physical Broadcast Channel-PBCH) of NR systems Other than needing transmission section minimal information, it is also necessary to instruction terminal equipment (User Equipment, UE) current transmission (beam index), wave beam mark are up to 128 kinds of possibility, that is, need to transmit 7 bit informations.
Transmitting the mode of this wave beam mark at present is：By the wave beam mark be carried in NR-PBCH, by and NR- The part minimum system information of PBCH carryings carries out channel coding and is transmitted together.
However, above-mentioned this mode, can increase the information bit of NR-PBCH transmission carryings, and reduce transmission performance.
Invention content
The embodiment of the present invention provides a kind of sending method of information, method of reseptance, network side equipment and terminal device equipment, It is existing to increase the information bit of NR-PBCH transmission carryings to solve the transmission mode of existing wave beam mark, and reduce and pass The problem of defeated performance.
In a first aspect, an embodiment of the present invention provides a kind of sending method of information, it is applied to network side equipment, the side Method includes：
The first orthogonal frequency division multiplex OFDM symbol and the 2nd OFDM in synchronizing signal resource each resource group in the block On symbol, reference signal is mapped respectively；
The synchronizing signal resource all OFDM symbols in the block are sent；
Wherein, the corresponding reference signal of the first OFDM symbol reference corresponding with the second OFDM symbol in each resource group Phase difference between signal indicates the information of at least one bit.
Second aspect, an embodiment of the present invention provides a kind of method of reseptances of information, are applied to terminal device, the method Including：
In first orthogonal frequency division multiplex OFDM symbol of the network side equipment in synchronizing signal resource each resource group in the block Number and the second OFDM symbol on carry out reception detection, obtain in each resource group the corresponding reference signal of the first OFDM symbol and The corresponding reference signal of second OFDM symbol；
Channel estimation is carried out to the reference signal in each resource group, obtains the first OFDM symbol pair in each resource group Phase difference between the reference signal answered reference signal corresponding with the second OFDM symbol；
According to the corresponding phase difference of each resource group, the information that the network side equipment is sent is obtained；
Wherein, the reference signal reference corresponding with the second OFDM symbol of first OFDM symbol in each resource group Phase difference between signal indicates at least one of described information bit.
The third aspect, an embodiment of the present invention provides a kind of network side equipments, including：
First processing module, for the first orthogonal frequency division multiplexing in synchronizing signal resource each resource group in the block In OFDM symbol and the second OFDM symbol, reference signal is mapped respectively；
Sending module, for sending the synchronizing signal resource all OFDM symbols in the block；
Wherein, the corresponding reference signal of the first OFDM symbol reference corresponding with the second OFDM symbol in each resource group Phase difference between signal indicates the information of at least one bit.
Fourth aspect, an embodiment of the present invention provides a kind of terminal devices, including：
Receiving module, for the first orthogonal frequency in network side equipment in synchronizing signal resource each resource group in the block Divide in multiplexing OFDM symbol and the second OFDM symbol and carry out reception detection, it is corresponding to obtain the first OFDM symbol in each resource group Reference signal and the corresponding reference signal of the second OFDM symbol；
First processing module obtains each resource group for carrying out channel estimation to the reference signal in each resource group In the corresponding reference signal of the first OFDM symbol reference signal corresponding with the second OFDM symbol between phase difference；
Second processing module, for according to the corresponding phase difference of each resource group, obtaining what the network side equipment was sent Information；
Wherein, the reference signal reference corresponding with the second OFDM symbol of first OFDM symbol in each resource group Phase difference between signal indicates at least one of described information bit.
5th aspect, an embodiment of the present invention provides a kind of network side equipments, including：
Memory, processor, transmitter and computer program, the computer program are stored in the memory, The processor runs the sending method of the information of any realization method offer of the computer program execution first aspect.
6th aspect, an embodiment of the present invention provides a kind of terminal devices, including：
Memory, processor and computer program, the computer program are stored in the memory, the processing Device runs the method for reseptance of the information of any realization method offer of the computer program execution second aspect.
In the embodiment of above-mentioned network side equipment and terminal device, it should be understood that memory can also be integrated in processor Portion.
7th aspect, an embodiment of the present invention provides a kind of storage mediums, including：Readable storage medium storing program for executing and computer journey Sequence, the sending method for the information that the computer program provides for realizing first aspect.
Eighth aspect, an embodiment of the present invention provides a kind of storage mediums, including：Readable storage medium storing program for executing and computer journey Sequence, the method for reseptance for the information that the computer program provides for realizing second aspect.
9th aspect, an embodiment of the present invention provides a kind of program product, which includes that computer program (is held Row instruction), which is stored in readable storage medium storing program for executing.At least one processor of network side equipment can be from readable Storage medium reads the computer program, and at least one processor executes the computer program and network side equipment equipment is implemented The sending method for the information that the various embodiments of first aspect provide.
Tenth aspect, an embodiment of the present invention provides a kind of program product, which includes that computer program (is held Row instruction), which is stored in readable storage medium storing program for executing.At least one processor of terminal device can be deposited from readable Storage media reads the computer program, and at least one processor executes the computer program and terminal device is made to implement above-mentioned second The method of reseptance for the information that the various embodiments of aspect provide.
In this way, in the embodiment of the present invention, the first OFDM symbol in synchronizing signal resource each resource group in the block and In second OFDM symbol, reference signal is mapped respectively, and synchronizing signal resource all OFDM symbols in the block are sent, In, between the corresponding reference signal of the first OFDM symbol reference signal corresponding with the second OFDM symbol in each resource group Phase difference indicates the information of at least one bit.Terminal device obtains the reference signal on above-mentioned two symbol by channel estimation Between phase difference obtain information, need not be additionally by channel bearing, the phase difference that pass through between two OFDM symbols indicates Different information bits avoids passing through channel bearing information, improves transmission performance.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of system architecture signal of the sending method of the information of the embodiment of the present invention and the method for reseptance of information Figure；
Fig. 2 is the flow chart of the sending method of the information of one embodiment of the invention；
Fig. 3 is the flow chart of the method for reseptance of the information of another embodiment of the present invention；
Fig. 4 is that the reference signal of a resource group of an example of the invention maps schematic diagram；
Fig. 5 is that the reference signal of a resource group of another example of the invention maps schematic diagram；
Fig. 6 is one of the network side equipment structural schematic diagram of the embodiment of the present invention；
Fig. 7 is the second structural representation of the network side equipment of the embodiment of the present invention；
Fig. 8 is the third structural representation of the network side equipment of the embodiment of the present invention；
Fig. 9 is the four of the structural schematic diagram of the network side equipment of the embodiment of the present invention；
Figure 10 is the structural schematic diagram of the terminal device of one embodiment of the invention；
Figure 11 is the structural schematic diagram of the terminal device of another embodiment of the present invention；
Figure 12 is the five of the structural schematic diagram of the network side equipment of the embodiment of the present invention；
Figure 13 is the structural schematic diagram of the terminal device of another embodiment of the invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without creative efforts Example, shall fall within the protection scope of the present invention.
Term " comprising " and " having " in description and claims of this specification and their any deformation, meaning Figure be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment Those of be not necessarily limited to clearly to list step or unit, but may include not listing clearly or for these processes, The intrinsic other steps of method, product or equipment or unit.
The sending method of information provided by the invention and the method for reseptance of information, can apply in long term evolution (Long Term Evolution, abbreviation LTE), 5G systems (also referred to as new wireless network (New Radio, referred to as：NR) system), its Into the transmission of row information in the systems such as the wireless access system of its newly-designed OFDM.
Fig. 1 is a kind of system architecture signal of the sending method of the information of the embodiment of the present invention and the method for reseptance of information Figure.As shown in Figure 1, the network side equipment involved in the program can be global system for mobile telecommunications (Global System of Mobile communication, abbreviation GSM) or CDMA (Code Division Multiple Access, referred to as CDMA the base station (Base Transceiver Station, abbreviation BTS) in), can also be wideband code division multiple access (Wideband Code Division Multiple Access, abbreviation WCDMA) in base station (NodeB, abbreviation NB), can also be in LTE Evolved base station (Evolutional Node B, abbreviation eNB or eNodeB) either relay station or access point or future Base station etc. in 5G networks, does not limit herein.
Terminal device can be that wireless terminal can also be catv terminal, and wireless terminal can refer to providing a user voice And/or the equipment of other business datum connectivity, there is the portable equipment of wireless connecting function or be connected to wireless-modulated solution Adjust other processing equipments of device.Wireless terminal can be through wireless access network (Radio Access Network, abbreviation RAN) and one A or multiple cores net is communicated, and wireless terminal can be mobile terminal, such as mobile phone (or be " honeycomb " phone) and Computer with mobile terminal, for example, it may be portable, pocket, hand-held, built-in computer or vehicle-mounted shifting Dynamic device, they exchange language and/or data with wireless access network.For example, personal communication service (Personal Communication Service, abbreviation PCS) phone, wireless phone, Session initiation Protocol (Session Initiation Protocol, abbreviation SIP) phone, wireless local loop (Wireless Local Loop, abbreviation WLL) is stood, individual digital helps Manage equipment such as (Personal Digital Assistant, abbreviation PDA).Wireless terminal is referred to as system, subscriber unit (Subscriber Unit), subscriber station (Subscriber Station), movement station (Mobile Station), mobile station (Mobile), distant station (Remote Station), remote terminal (Remote Terminal), access terminal (Access Terminal), user terminal (User Terminal), user agent (User Agent), terminal device (User Device Or User Equipment), it is not limited thereto.
There is provided at present transmission beam mark scheme be：By wave beam mark be carried in NR-PBCH, by and NR- The part minimum system information of PBCH carryings carries out channel coding and is transmitted together.However, above-mentioned this mode, can increase The information bit of NR-PBCH transmission carryings, and reduce transmission performance.Simultaneously as the wave beam of continuous several times transmission NR-PBCH Mark is different and carries out channel coding together with part minimum system information, causes the terminal device of receiving terminal can not be to multiple The reception of the part minimum system information of NR-PBCH transmission merges, or promotes combined complexity and reduce and connect Receive performance.
Based on above-mentioned problem, the present invention provides a kind of method of reseptance of the sending method and information of information, can Transmission performance is effectively improved, and the terminal device of receiving terminal is facilitated to merge place to the part minimum system information that PBCH is transmitted Reason.
Before introducing specific embodiments of the present invention, first technical term involved in the present invention is explained：
The reference signal of NR-PBCH, also referred to as reference signal are mainly used for the demodulation of NR-PBCH, in the synchronization of NR systems Orthogonal frequency division multiplexing (the Orthogonal Frequency Division of signal resource block (SS block) Multiplexing, OFDM) it maps in sign resources.
One NR SS block by NR- primary synchronization signals (Primary Synchronization Signal, PSS), NR- secondary synchronization signals (Secondary Synchronization Signal, SSS), NR-PBCH compositions, and in time For continuous OFDM symbol.
One kind of NR SS block is specifically defined as：Four OFDM symbol time domain continuous arrangements (2 symbol NR-PBCH, 1 A symbol NR-PSS and 1 symbol NR-SSS)；NR-PBCH bandwidth is 4.32M, occupies 288 subcarriers；NR-PSS and NR- SSS bandwidth is 2.16M, occupies 127 subcarriers.
NR SS block purposes：Timing is obtained by the NR-PSS in NR SS block, cell is obtained by NR-SSS ID and pass through the parts NR-PBCH minimum system information.
In order to promote the covering of NR SS block, NR SS block can be transmitted several times, and receiving terminal can be to more The information of secondary NR SS block transmission merges.
In a NR SS block, the bandwidth of NR-PSS and NR-SSS is different with the bandwidth of NR-PBCH.
How technical scheme of the present invention and technical scheme of the present invention are solved with specifically embodiment below above-mentioned Technical problem is described in detail.The following examples can be combined with each other, may for same or analogous concept or process It repeats no more in certain embodiments.Below in conjunction with attached drawing, the embodiment of the present invention is described.
Fig. 2 is the flow chart of the sending method of the information of one embodiment of the invention.As shown in Fig. 2, this method is applied to Network side equipment, this method step include：
S101：In the first OFDM symbol and the second OFDM symbol in synchronizing signal resource each resource group in the block, Reference signal is mapped respectively.
Specifically, before this step, which can be divided at least two resources by network side equipment Group (grouping is the grouping on frequency domain), wherein each resource group includes at least one set of continuous 12 subcarriers.
It is meant that, the integral multiple that the quantity of the subcarrier in each resource group is 12, and all sons in resource group Carrier wave can be continuous.Can also several groups being made of 12 continuous subcarriers form the resource group.Such as：Each There are 36 subcarriers in resource group, which can be 1-36, can also be tri- groups of 1-12,24-36 and 48-60 continuous 12 subcarriers constitute, this this programme is not limited.
After the grouping for synchronizing signal resource block, different reference signals can be being transmitted in resource group, i.e., The reference signal of the transmission is also grouped, is transmitted on the symbol being mapped in different resource groups.
In above-mentioned steps, according to foregoing background introduction it is found that in each resource group include transmission PSS, SSS and Four OFDM symbols of PBCH.Two groups of reference signals to be sent are mapped in the first OFDM therein and accorded with by network side equipment respectively Number default resource particle and the second OFDM symbol default resource particle on.The reference in the first OFDM symbol in the program Phase difference can carry the information of a bit or multiple bits between reference signal on signal and the second OFDM symbol.Tool Body can be defined in advance, and different phase differences represents different bit values.
I.e. network side equipment need not be carried when needing to send certain information to terminal device by channel resource, can It is carried with the phase difference directly by reference to signal between distinct symbols.Multiple resource groups can carry multiple bits simultaneously Information.
Network side equipment carries information by phase difference between two symbols in each resource group, and which can be with It avoids carrying excessive information in the channel, reduces the information bit of NR-PBCH resource bearings, reduce minimum system letter The code check of channel coding is ceased, while reducing the reception processing complexity of terminal device, saves transfer resource, while improving transporting Energy.
In this step in the specific implementation, including at least following two realization methods：
The first realization method, by least one set of progress phase place processing in two groups of reference signals；By phase place Two groups of reference signals after processing are mapped in default resource particle RE and the 2nd the OFDM symbol of first OFDM symbol respectively Number default RE on；Wherein, one group in two groups of reference signals is the reference signal to be mapped to the first OFDM symbol, separately One group is the reference signal to be mapped to the second OFDM symbol.
It is meant that, network side equipment in the mapping for carrying out two groups of reference signals in resource group, to it is therein at least One group of reference signal carries out phase place processing first, is then again mapped in two rush reference signals after phase place respectively In the default resource particle of first OFDM symbol, the default resource particle of the second OFDM symbol.How much basis waits for for specific rotation The bit value of the information of transmission is determined.
Two groups of reference signals to be mapped are mapped in the default of first OFDM symbol by second of realization method respectively On RE and the default RE of second OFDM symbol；Phase is carried out to first OFDM symbol and/or second OFDM symbol Position rotation processing.
It is meant that the directly upper two groups of reference signals to be mapped of network side equipment are mapped in the first OFDM symbol respectively After in default resource particle, the default resource particle of the second OFDM symbol, then to after mapping the first OFDM symbol and Second OFDM symbol carries out phase place processing, so that the bit of the phase difference and the information with transmission between two groups of reference signals Value corresponds to.
Optionally, above-mentioned first OFDM symbol is to transmit the symbol of secondary synchronization signal, and the second OFDM symbol is transmission PBCH Reference signal any one symbol.
Optionally, the first OFDM symbol and second OFDM symbol are to transmit the symbol of PBCH.
It is meant that the first OFDM symbol and the second OFDM symbol can transmit the symbol of PBCH, can also be wherein One is the symbol for transmitting PBCH, another is secondary synchronization signal, is not limited to this this programme.
S102：Synchronizing signal resource all OFDM symbols in the block are sent.
In this step, PSS, SSS, PBCH with transmission and reference signal etc. are mapped in correspondence by network side equipment Resource on after, the OFDM symbol in the synchronizing signal resource block is sent.
It, can be according to the corresponding ginseng of the first OFDM symbol in each resource group so that terminal device is when receiving detection The phase difference examined between signal reference signal corresponding with the second OFDM symbol obtains the information needed.
Network side equipment is by preset resource grains in the first OFDM symbol and the second OFDM symbol in each resource group Son, which is shown, shoots away reference signal, and after having carried out phase place, by OFDM symbol all in the synchronizing signal resource block into Row is sent, and the information of terminal device will be sent to by carrying network side equipment by reference to the phase difference between signal, not needed Busy channel resource.
The sending method of information provided in this embodiment, first OFDM symbol of the network side equipment in each resource group and Two groups of reference signals are mapped in second OFDM symbol, phase difference indicates certain information ratio between two groups of reference signals therein Spy utilizes so that terminal device can obtain information bit after channel estimation according to the phase difference between two groups of reference signals The phase difference of reference signal carries information, reduces the complexity that PBCH sends and receives, effectively improves transmission performance.
Fig. 3 is the flow chart of the method for reseptance of the information of another embodiment of the present invention, as shown in figure 3, this method application In terminal device weight, specific step includes：
S201：In first OFDM symbol and second of the network side equipment in synchronizing signal resource each resource group in the block Reception detection is carried out in OFDM symbol, obtains the corresponding reference signal of the first OFDM symbol and the 2nd OFDM in each resource group The corresponding reference signal of symbol.
Specifically, before this step, terminal device and network side equipment are identical to the grouping mechanism of resource, i.e., terminal is set It is standby that synchronizing signal resource block is also divided at least two resource groups；Wherein, each resource group includes at least one set continuous 12 A subcarrier.Specific packet mode is consistent with network side equipment.
In this step, terminal device carries out reception detection in predetermined synchronizing signal resource resource in the block, In the program, terminal device can also detect while getting PSS, SSS, PBCH is mapped in the first of each resource group Reference signal in OFDM symbol and the second OFDM symbol, each resource group correspond to two groups of reference signals.
Specific to receive in detection process, terminal device is obtained from the predefined resource particle in the first OFDM symbol One group of reference signal obtains another group of reference signal from the predefined resource particle in the second OFDM symbol.
Phase difference between the corresponding two groups of reference signals of each resource group that terminal device in this step is got, takes Need not additionally other channels be estimated and be demodulated again with the information to be transmitted of network side equipment, terminal device, be reduced Receive the complexity of processing.
S202：Channel estimation is carried out to the reference signal in each resource group, obtains the first OFDM in each resource group Phase difference between the corresponding reference signal of symbol reference signal corresponding with the second OFDM symbol.
S203：According to the corresponding phase difference of each resource group, the information that the network side equipment is sent is obtained.
In above-mentioned steps, after terminal device gets two groups of reference signals in each resource group, carries out channel and estimate Meter, obtains the phase difference between two groups of reference signals in each resource group.Later, terminal device is according to predefined phase difference Correspondence between information bit determines the information bit that each resource group carries.Multiple resource groups can obtain more A information bit, to get the information of network side equipment transmission.
Terminal device passes through the phase difference between the corresponding two groups of reference signals of each resource group, you can gets network Multiple bits that side carries get the information of network side equipment transmission, do not need terminal device and carry out at additional decoding Reason reduces multiple NR-PBCH and receives combined complexity, and receiving algorithm is simple, and receptivity improves.
Likewise, in terminal equipment side, first OFDM symbol is to transmit the symbol of secondary synchronization signal, described second OFDM symbol is any one symbol for the reference signal for transmitting PBCH.
Optionally, first OFDM symbol and second OFDM symbol are the symbol for the reference signal for transmitting PBCH Number.
The method of reseptance of information provided in this embodiment, terminal device network side equipment in each resource group first Reception detection is carried out in OFDM symbol and the second OFDM symbol, obtains the corresponding two groups of reference signals of each resource group, then two The information bit that phase difference obtains between group reference signal carries information using the phase difference of reference signal, reduces PBCH and send With the complexity of reception, transmission performance is effectively improved.
In the above two embodiments, it should be understood that the phase difference between two groups of reference signals in each resource group can be taken One bit of band, can also carry the bit of two or more.The occurrence of phase difference can be carried out according to actual conditions simultaneously Configuration, is not limited this this programme.
For example, when the phase difference between two groups of reference signals in each resource group indicates a bit：
When phase difference between two groups of reference signals is 0, which indicates information bit 0；Between two reference signals Phase difference be π when, the phase difference indicate information bit 1.
Alternatively, when the phase difference between two groups of reference signals is π, which indicates information bit 0；Two reference signals Between phase difference be 0 when, the phase difference indicate information bit 1.
When the phase difference between two groups of reference signals in each resource group indicates dibit：
Phase difference between two groups of reference signals belongs to set { 0, pi/2, π 3, pi/2 }, the information bit category that phase difference indicates In set { 00,01,11,10 }；Wherein, phase difference is corresponded with information bit.
Such as：When phase difference between two groups of reference signals is 0, which indicates information bit 00；Two groups with reference to letter When phase difference between number is pi/2, which indicates information bit 01；It, should when phase difference between two groups of reference signals is π Phase difference indicates bit 11；When phase difference between two groups of reference signals is 3 pi/2, which indicates information bit 10.
Optionally, the phase difference between two groups of reference signals be 0 when, the phase difference can also indicate information bit 01,10, Any of 11, other bits are indicated when phase difference is other values.
According to above-mentioned scheme, when synchronizing signal resource block is divided into eight groups, each resource group carries a bit information, then The information of 8 bits can be transmitted in total；Each resource group carries dibit information, then can transmit the information of 16 bits in total.
The sending method and method of reseptance of information provided by the invention can at least be used for transmitting at least the one of following information ?：
Wave beam identification information, transmits and receives node (transmission reception at subwave beam identification information Point, TRP) identification information, PBCH merge indication signal, System Frame Number, expansion system frame number, Extended Cell mark, public search The time-frequency location information in rope space, system bandwidth information, synchronizing signal set of bursts period instruction information, passes idle reservation information Defeated measurement period, transmission measurement duration, physical mixed automatic re-transmission indicating channel (Physical Hybrid ARQ Indicator Channel) can PHICH, antenna configuration information, check information, cell independently access instruction information.
According to the description of above-described embodiment, the transmission with several specific embodiments to information provided by the invention below Method and method of reseptance illustrate.
In the program in the specific implementation, network side equipment, which can configure, is turned on or off NR-PBCH reference signal phases Position rotation function, network side equipment by reference signal phase place be configured to 0 be considered as close pilot phase rotate, at this time The certain combination of the bit information sequence of phase place carrying, such as full 0 sequence or complete 1 sequence, implicit instruction can be predefined Close phase place function.Terminal equipment side detects the bit sequence of the NR-PBCH reference signal phase places carrying group When conjunction, it is believed that network side is not introduced into phase place.If network side equipment opens NR-PBCH reference signal phase places Function, then can be according to following realization method into the transmission of row information.
For mapping NR-PBCH reference signals in 2 OFDM symbols in 4 OFDM symbols in NR SS block. Being grouped situation to NR SS block is：It is divided into 8 resource groups, each resource group occupies continuous 36 subcarriers, or 3 groups of continuous 12 subcarriers.
Fig. 4 is that the reference signal of a resource group of an example of the invention maps schematic diagram, as shown in figure 4, resource group The OFDM symbol one of the reference signal of 2 interior mapping NR-PBCH is to transmit the symbol of SSS, another is transmission PBCH Symbol introduces phase place to the reference signal of the NR-PBCH in one of OFDM symbol.In the OFDM of transmission NR-SSS The reference signal of NR-PBCH is mapped on symbol, phase place is not introduced on these reference signal symbols, i.e. rotational value is 0；? NR-PBCH reference signals are mapped in an OFDM symbol in two OFDM symbols of NR-PBCH, on these reference signal symbols Introduce phase place.Can then there be carrying mode in detail below：
The first, phase rotation value (i.e. phase difference) is 0 or π.Wherein, phase place 0 indicates transmitted bit 0/1, phase It rotates π and indicates transmitted bit 1/0.The program transmits 1 bit information in each NR SS block resource groups, and 8 resource groups pass Defeated 8 bit information.
Second, phase rotation value (i.e. phase difference) is 0, pi/2, π, 3 pi/2s.Wherein, phase place 0 indicates transmitted bit 00；Phase place pi/2 indicates transmitted bit 01；Phase place π indicates transmitted bit 11；3 pi/2 of phase place indicates transmitted bit 10.The program transmits 2 bit informations in each NR SS block resource groups, and 8 resource groups transmit 16 bit informations.
Fig. 5 is that the reference signal of a resource group of another example of the invention maps schematic diagram, as shown in figure 5, in NR- Mapping NR-PBCH reference signals in two OFDM symbols of PBCH introduce in some or all of reference signal wherein Phase place.Then include at least following implementations：
The first, the mapping NR-PBCH reference signals in two OFDM symbols of NR-PBCH, to one of OFDM Phase place is not introduced on the reference signal symbol mapped on symbol, to the reference signal symbol mapped in another OFDM symbol Upper introducing phase place, as shown in Figure 5.Phase rotation value is 0 or π.Wherein, phase place 0 indicates transmitted bit 0/1, phase It rotates π and indicates transmitted bit 1/0.The program transmits 1 bit information in each NR SS block resource groups, and 8 resource groups pass Defeated 8 bit information.
Second, the mapping NR-PBCH reference signals in two OFDM symbols of NR-PBCH, to one of OFDM Phase place is not introduced on the reference signal symbol mapped on symbol, to the reference signal symbol mapped in another OFDM symbol Upper introducing phase place, shown in Fig. 5.Phase rotation value is 0, pi/2, π, 3 pi/2s.Wherein, phase place 0 indicates transmitted bit 00, Phase place pi/2 indicates that transmitted bit 01, phase place π indicate that transmitted bit 11, phase place 3/2 indicate transmitted bit 10. The program transmits 2 bit informations in each NR SS block resource groups, and 8 resource groups transmit 16 bit informations.
In a kind of specific implementation of previous embodiment, network side equipment is in the block all by synchronizing signal resource OFDM symbol is sent, and specifically can be implemented as：The reference signal of PBCH and PBCH in each resource group are mapped to day It is sent on the transmission unit of line；Wherein, the reference signal of PBCH and PBCH is mapped to by preset precoding vector On the transmission unit of the antenna.
For example, 8 resource groups are believed the NR-PBCH of transmission and NR-PBCH references using a precoding vector Number, it is mapped on antenna transmission unit.Precoding vector in each resource grouping is cyclically selected from precoding codebook set It takes, as shown in Table-1, table one gives the precoding vector set being mapped on 2 antenna transmission units.8 resource groupings can It is respectively that 0,1,2,3,0,1,2,3 corresponding precoding vector is mapped on 2 antenna transmission units to use code book mark.
- 1 precoding vector set of table
The OFDM symbol of 2 mapping NR-PBCH reference signals in each resource group, to one of OFDM symbol On NR-PBCH reference signals introduce phase place, as shown in Figure 4 and Figure 5.As both of the aforesaid example class, phase place Value is 0 or π.Wherein, phase place 0 indicates that transmitted bit 0, phase place π indicate transmitted bit 1.Then the program is in each NR 1 bit information is transmitted in SS block resources group, each phase rotation value transmits 1 bit information, and 8 resource groups transmit 8 bits Information.
Alternatively, phase rotation value is 0, pi/2, π, 3 pi/2s.Wherein, the expression of phase place 0 transmitted bit 00, phase place π/ 2 indicate that transmitted bit 01, phase place π indicate that transmitted bit 11,3 pi/2 of phase place indicate transmitted bit 10.The program is every 2 bit informations are transmitted in a NR SS block resources group, 8 resource groups transmit 16 bit informations.
Based on above-mentioned all realization methods, it is known that network side equipment can be by the NR-PBCH in resource group with reference to letter Phase difference between number is into the transmission of row information, and the information transmitted of which is including but not limited to wave beam mark in practical application Know information, TRP identification informations or other information.The combination of much information can be transmitted.It illustrates below several carrying modes：
(1), the information that the reference signal of the NR-PBCH in NR SS block carries, 7 bit transfer wave beam mark therein Know information.
(2), the information that the reference signal of the NR-PBCH in NR SS block carries, 7 bit transfer wave beam mark therein Know information, in addition 1 bit is the Parity Check Bits of the 7 bit beam identification information.
(3), the information that the reference signal of the NR-PBCH in NR SS block carries, 1 bit therein are to merge to indicate Information indicates whether the information of the transmission of the NR-PBCH in currently transmitted NR SS block is identical, if it is indicated that being identical, connects Receiving end can carry out multiple NR-PBCH and receive merging.
(4), it is the information by coding that the reference signal of the NR-PBCH in NR SS block, which carries information, for example, wave Beam identification information, TRP identification informations, merging instruction information etc. are by coding (checksum coding, CRC check coding, polar Coding, tail biting convolutional encoding, repeated encoding, packing ratio top grade) bit sequence that exports afterwards.
(5), the information that the reference signal of the NR-PBCH in NR SS block carries, is used for transmission part SFN or extension SFN。
(6), the information that the reference signal of the NR-PBCH in NR SS block carries is used for transmission extension Cell ID, uses In super-intensive networking or mMTC scenes.
(7), the information that the reference signal of the NR-PBCH in NR SS block carries, is used for transmission common search The time-frequency location information of space.
(8), the information that the reference signal of the NR-PBCH in NR SS block carries is used for transmission for forward compatibility Free time retains information.
(9), the information that the reference signal of the NR-PBCH in NR SS block carries, is used for transmission system bandwidth information.
(10), the information that the reference signal of the NR-PBCH in NR SS block carries, is used for transmission NR-SS burst The set periods indicate information.
(11), the information that the reference signal of the NR-PBCH in NR SS block carries, is used for transmission measurement period or holds Continuous temporal information.
(12), the information that the reference signal of the NR-PBCH in NR SS block carries, is used for transmission PHICH.
(13), the information that the reference signal of the NR-PBCH in NR SS block carries, the antenna for being used for transmission g-NB are matched Confidence ceases.
(14), the information that the reference signal of the NR-PBCH in NR SS block carries, can be used for transmission cell independent It accesses (NONE STANDALONE/STANDALONE, NSA/SA) and indicates information.
(15), the information that the reference signal of the NR-PBCH in NR SS block carries, in conjunction with or do not combine CRC Mask is used for transmission the combination of information above.
In the above various embodiments, the set of phase rotation value can include different phase rotation values, the rotation of different phases The bit information for turning the corresponding transmission of value can be other correspondences.
Based on above-mentioned various realization methods, the sending method and method of reseptance of the information that this law invention provides pass through PBCH Reference signal between signal difference realize information transmission, reduce the information bit of NR-PBCH resource bearings, reduce The code check of minimum system information channel coding promotes the performance of the parts NR-PBCH minimum system information transmission.It can reduce simultaneously Multiple NR-PBCH receives combineds complexity, and receiving algorithm is simple, receptivity raising.
Fig. 6 is one of the network side equipment structural schematic diagram of the embodiment of the present invention；As shown in fig. 6, the network side equipment packet It includes：
First processing module 001, for the first orthogonal frequency division multiplexing in synchronizing signal resource each resource group in the block With in OFDM symbol and the second OFDM symbol, reference signal is mapped respectively；
Sending module 002, for sending the synchronizing signal resource all OFDM symbols in the block；
Wherein, the corresponding reference signal of the first OFDM symbol reference corresponding with the second OFDM symbol in each resource group Phase difference between signal indicates the information of at least one bit.
Network side equipment provided in this embodiment is realized former for executing the technical solution in aforementioned any embodiment Reason is similar with technique effect, indicates different information bits by the phase difference between two OFDM symbols, avoids passing through channel Carrying information improves transmission performance.
Fig. 7 is the second structural representation of the network side equipment of the embodiment of the present invention；As shown in fig. 7, in above-described embodiment On the basis of, which further includes：
Second processing module 003, for the synchronizing signal resource block to be divided at least two resource groups；
Wherein, each resource group includes at least one set of continuous 12 subcarriers.
Fig. 8 is the third structural representation of the network side equipment of the embodiment of the present invention；As shown in figure 8, in above-described embodiment On the basis of, the first processing module 001 of the network side equipment includes：
First phase rotates submodule 0011, for will be in two groups of reference signals at least one set of carry out at phase place Reason；
First mapping submodule 0012 is mapped in described respectively for two groups of reference signals after handling phase place On the default resource particle RE of first OFDM symbol and the default RE of the second OFDM symbol；
Wherein, one group in two groups of reference signals be the reference signal to be mapped to the first OFDM symbol, another group For the reference signal to be mapped to the second OFDM symbol.
Fig. 9 is the four of the structural schematic diagram of the network side equipment of the embodiment of the present invention；As shown in figure 9, in above-described embodiment On the basis of, the first processing module 001 of the network side equipment includes：
Second mapping submodule 0013 is accorded with for two groups of reference signals to be mapped to be mapped in the first OFDM respectively Number default RE and second OFDM symbol default RE on；
Second phase rotates submodule 0014, for first OFDM symbol and/or second OFDM symbol into The processing of row phase place.
Optionally, first OFDM symbol is to transmit the symbol of secondary synchronization signal, and second OFDM symbol is transmission Any one symbol of the reference signal of PBCH.
Optionally, first OFDM symbol and second OFDM symbol are the symbol for the reference signal for transmitting PBCH Number.
Optionally, the sending module is specifically used for the reference signal of PBCH and PBCH in each resource group being mapped to It is sent on the transmission unit of antenna；
Wherein, the reference signal of PBCH and PBCH is that the transmission list of the antenna is mapped to by preset precoding vector In member.
Optionally, when the phase difference between two groups of reference signals is 0, the phase difference indicates information bit 0；It is described When phase difference between two groups of reference signals is π, the phase difference indicates information bit 1；
Alternatively,
When phase difference between two groups of reference signals is π, the phase difference indicates information bit 0；Two groups of ginsengs When to examine phase difference between signal be 0, the phase difference indicates information bit 1.
Optionally, the phase difference between two groups of reference signals belongs to set { 0, pi/2, π 3, pi/2 }, and phase difference indicates Information bit belong to set { 00,01,11,10 }；Wherein, phase difference is corresponded with information bit.
Optionally, at least one information bit includes at least one of following：
Wave beam identification information, subwave beam identification information transmit and receive node TRP identification informations, PBCH merging instruction letters Number, System Frame Number, expansion system frame number, Extended Cell mark, the time-frequency location information of public search space, idle retain letter Breath, system bandwidth information, synchronizing signal set of bursts period instruction information, transmission measurement period, transmission measurement duration, physics Can hybrid automatic retransmission indication channel PHICH, antenna configuration information, check information, cell independently access instruction information.
The network side equipment that any of the above-described embodiment provides realizes information by the signal difference between the reference signal of PBCH Transmission, reduce the information bit of NR-PBCH resource bearings, reduce minimum system information channel coding code check, carry Rise the performance of the parts NR-PBCH minimum system information transmission.It can be reduced multiple NR-PBCH simultaneously and receive combined complexity Degree, receiving algorithm is simple, and receptivity improves.
Figure 10 is the structural schematic diagram of the terminal device of one embodiment of the invention；As shown in Figure 10, the terminal device, packet It includes：
Receiving module 111, for network side equipment in synchronizing signal resource each resource group in the block first just It hands over and carries out reception detection in frequency division multiplex OFDM symbol and the second OFDM symbol, obtain the first OFDM symbol pair in each resource group The reference signal and the corresponding reference signal of the second OFDM symbol answered；
Third processing module 112 obtains each resource for carrying out channel estimation to the reference signal in each resource group The phase difference between the corresponding reference signal of the first OFDM symbol reference signal corresponding with the second OFDM symbol in group；
Fourth processing module 113, for according to the corresponding phase difference of each resource group, obtaining the network side equipment and sending Information；
Wherein, the reference signal reference corresponding with the second OFDM symbol of first OFDM symbol in each resource group Phase difference between signal indicates at least one of described information bit.
Terminal device provided in this embodiment is realized for executing the technical solution in aforementioned either method embodiment Principle is similar with technique effect, first OFDM symbol and twoth OFDM of the terminal device in network side equipment in each resource group Reception detection is carried out on symbol, obtains the corresponding two groups of reference signals of each resource group, then phase between two groups of reference signals The information bit that difference obtains carries information using the phase difference of reference signal, reduces the complexity that PBCH sends and receives, effectively Improve transmission performance.
Figure 11 is the structural schematic diagram of the terminal device of another embodiment of the present invention；As shown in figure 11, the terminal device Further include：
5th processing module 114, for the synchronizing signal resource block to be divided at least two resource groups；
Wherein, each resource group includes at least one set of continuous 12 subcarriers.
Optionally, first OFDM symbol is to transmit the symbol of secondary synchronization signal, and second OFDM symbol is transmission Any one symbol of the reference signal of PBCH.
Optionally, first OFDM symbol and second OFDM symbol are the symbol for the reference signal for transmitting PBCH Number.
Optionally, the corresponding reference signal of first OFDM symbol reference signal corresponding with second OFDM symbol Between phase difference when being 0, the phase difference indicates information bit 0；The corresponding reference signal of first OFDM symbol and institute When to state phase difference between the corresponding reference signal of the second OFDM symbol be π, the phase difference indicates information bit 1；
Alternatively,
Between the corresponding reference signal of first OFDM symbol reference signal corresponding with second OFDM symbol When phase difference is π, the phase difference indicates information bit 0；The corresponding reference signal of first OFDM symbol and described second When phase difference between the corresponding reference signal of OFDM symbol is 0, the phase difference indicates information bit 1.
Optionally, the corresponding reference signal of first OFDM symbol reference signal corresponding with second OFDM symbol Between phase difference belong to set { 0, pi/2, π 3, pi/2 }, the information bit that phase difference indicates belongs to set { 00,01,11,10 }； Wherein, phase difference is corresponded with information bit.
Optionally, described information includes at least one of following：
Wave beam identification information, subwave beam identification information transmit and receive node TRP identification informations, PBCH merging instruction letters Number, System Frame Number, expansion system frame number, Extended Cell mark, the time-frequency location information of public search space, idle retain letter Breath, system bandwidth information, synchronizing signal set of bursts period instruction information, transmission measurement period, transmission measurement duration, physics Can hybrid automatic retransmission indication channel PHICH, antenna configuration information, check information, cell independently access instruction information.
Any of the above-described embodiment offer terminal device, the technical solution for executing aforementioned either method embodiment, in fact Existing principle is similar with technique effect, and details are not described herein.
It should be noted that it should be understood that the division of the modules of the above network side equipment and terminal device is only one kind The division of logic function can be completely or partially integrated on a physical entity in actual implementation, can also be physically separate. And these modules can be realized all in the form of software is called by processing element；It can also be all real in the form of hardware It is existing；It can be realized in the form of part of module calls software by processing element, part of module is realized by the form of hardware.Example Such as, determining module can be the processing element individually set up, and can also be integrated in some chip of above-mentioned apparatus and realize, this Outside, it can also be stored in the memory of above-mentioned apparatus in the form of program code, by some processing element of above-mentioned apparatus Call and execute the function of module determined above.The realization of other modules is similar therewith.In addition these modules completely or partially may be used To integrate, can also independently realize.Processing element described here can be a kind of integrated circuit, the place with signal Reason ability.During realization, each step of the above method or more modules can pass through the hardware in processor elements Integrated logic circuit or software form instruction complete.
For example, the above module can be arranged to implement one or more integrated circuits of above method, such as： One or more specific integrated circuits (Application Specific Integrated Circuit, abbreviation ASIC), or, One or more microprocessors (digital singnal processor, abbreviation DSP), or, one or more scene can compile Journey gate array (Field Programmable Gate Array, abbreviation FPGA) etc..For another example, when some above module passes through place When managing the form realization of element scheduler program code, which can be general processor, such as central processing unit (Central Processing Unit, abbreviation CPU) or it is other can be with the processor of caller code.For another example, these modules It can integrate, be realized in the form of system on chip (system-on-a-chip, abbreviation SOC).
Figure 12 is the five of the structural schematic diagram of the network side equipment of the embodiment of the present invention.It can realize aforementioned any embodiment The details of the sending method of middle information, and reach identical effect.As shown in figure 12, network side equipment includes：Processor 121, Transceiver 124, memory 122, user interface 123 and bus interface, wherein：
Processor 2601 executes following process for reading the program in memory 2603：
The first orthogonal frequency division multiplex OFDM symbol and the 2nd OFDM in synchronizing signal resource each resource group in the block On symbol, reference signal is mapped respectively；
The synchronizing signal resource all OFDM symbols in the block are sent；
Wherein, the corresponding reference signal of the first OFDM symbol reference corresponding with the second OFDM symbol in each resource group Phase difference between signal indicates the information of at least one bit.
In fig. 12, bus architecture may include the bus and bridge of any number of interconnection, specifically be represented by processor 121 One or more processors and the various circuits of memory that represent of memory 122 link together.Bus architecture can be with Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like are linked together, these are all these Well known to field, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 124 can be Multiple element includes transmitter and receiver, provides the unit for being communicated over a transmission medium with various other devices.Needle To different user equipmenies, user interface 123, which can also be, external the interface for needing equipment is inscribed, and the equipment of connection includes But be not limited to keypad, display, loud speaker, microphone, control stick etc..
Processor 121 is responsible for bus architecture and common processing, and memory 122 can store processor 2601 and hold Used data when row operation.
Specifically, processor 121 is additionally operable to the synchronizing signal resource block being divided at least two resource groups；
Wherein, each resource group includes at least one set of continuous 12 subcarriers.
Optionally, the processor 121 is specifically used for：
By at least one set of progress phase place processing in two groups of reference signals；
Two groups of reference signals after phase place is handled are mapped in the default resource of first OFDM symbol respectively On particle RE and the default RE of the second OFDM symbol；
Wherein, one group in two groups of reference signals be the reference signal to be mapped to the first OFDM symbol, another group For the reference signal to be mapped to the second OFDM symbol.
Optionally, the processor 121 is specifically used for：
Two groups of reference signals to be mapped are mapped in the default RE and described second of first OFDM symbol respectively On the default RE of OFDM symbol；
Phase place processing is carried out to first OFDM symbol and/or second OFDM symbol.
Optionally, first OFDM symbol is to transmit the symbol of secondary synchronization signal, and second OFDM symbol is transmission Any one symbol of the reference signal of PBCH.
Optionally, first OFDM symbol and second OFDM symbol are to transmit the symbol of PBCH.
Optionally, described to send the synchronizing signal resource all OFDM symbols in the block, including：
The reference signal of PBCH and PBCH in each resource group are mapped on the transmission unit of antenna and sent；
Wherein, the reference signal of PBCH and PBCH is that the transmission list of the antenna is mapped to by preset precoding vector In member.
Optionally, when the phase difference between two groups of reference signals is 0, the phase difference indicates information bit 0；It is described When phase difference between two reference signals is π, the phase difference indicates information bit 1；
Alternatively,
When phase difference between two groups of reference signals is π, the phase difference indicates information bit 0；Described two ginsengs When to examine phase difference between signal be 0, the phase difference indicates information bit 1.
Optionally, the phase difference between two groups of reference signals belongs to set { 0, pi/2, π 3, pi/2 }, and phase difference indicates Information bit belong to set { 00,01,11,10 }；Wherein, phase difference is corresponded with information bit.
Optionally, at least one information bit includes at least one of following：
Wave beam identification information, subwave beam identification information transmit and receive node TRP identification informations, PBCH merging instruction letters Number, System Frame Number, expansion system frame number, Extended Cell mark, the time-frequency location information of public search space, idle retain letter Breath, system bandwidth information, synchronizing signal set of bursts period instruction information, transmission measurement period, transmission measurement duration, physics Can hybrid automatic retransmission indication channel PHICH, antenna configuration information, check information, cell independently access instruction information.
First OFDM symbol and twoth OFDM symbol of the network side equipment in synchronizing signal resource each resource group in the block On number, reference signal is mapped respectively, synchronizing signal resource all OFDM symbols in the block is sent, wherein each resource Phase difference between the corresponding reference signal of the first OFDM symbol reference signal corresponding with the second OFDM symbol in group indicates The information of at least one bit.Terminal device obtains the phase between the reference signal on above-mentioned two symbol by channel estimation Difference obtains information, need not indicate different information by the phase difference between two OFDM symbols additionally by channel bearing Bit avoids passing through channel bearing information, improves transmission performance.
Figure 13 is the structural schematic diagram of the terminal device of another embodiment of the invention.As shown in figure 13, the terminal device Including：Processor 131, memory 132, network interface 133 and user interface 134.
Above-mentioned various components in terminal device are of coupled connections by bus system 135.It is understood that bus system 135 for realizing the connection communication between these components.Bus system 135 can also include power supply in addition to including data line Bus, controlling bus and status signal bus in addition.But for the sake of clear explanation, various buses are all designated as bus in fig. 13 System 135.
Alternatively, some or all of above various components can also pass through field programmable gate array (Field Programmable Gate Array, abbreviation FPGA) form be embedded in and realized on some chip of the terminal.And it Can be implemented separately, can also integrate.
Wherein, the interface circuit that user interface 1304 is respectively used to connection peripheral equipment or is connect with peripheral equipment.It can be with Include the interface of the equipment such as display, keyboard or pointing device, such as mouse, trace ball (trackball), touch-sensitive plate or The interface of the equipment such as touch screen.
Here processor 131, can be general processor, such as CPU, can also be and be configured to implement above method One or more integrated circuits, such as：One or more specific integrated circuit (Application Specific Integrated Circuit, abbreviation ASIC), or, one or more microprocessors (digital singnal processor, Abbreviation DSP), or, one or more field programmable gate array (Field Programmable Gate Array, abbreviation FPGA) etc..Memory element can be a storage device, can also be the general designation of multiple memory elements.
Memory 132 can be volatile memory or nonvolatile memory, or may include volatile and non-volatile Both memories.Wherein, nonvolatile memory can be read-only memory (Read-OnlyMemory, abbreviation ROM), can compile Journey read-only memory (ProgrammableROM, abbreviation PROM), Erasable Programmable Read Only Memory EPROM (ErasablePROM, letter Claim EPROM), electrically erasable programmable read-only memory (ElectricallyEPROM, abbreviation EEPROM) or flash memory.Volatibility Memory can be random access memory (RandomAccessMemory, abbreviation RAM), be used as External Cache.It is logical It crossing exemplary but not being restricted explanation, the RAM of many forms is available, such as static RAM (StaticRAM, Abbreviation SRAM), dynamic random access memory (DynamicRAM, abbreviation DRAM), Synchronous Dynamic Random Access Memory (SynchronousDRAM, abbreviation SDRAM), double data speed synchronous dynamic RAM (DoubleDataRateSDRAM, abbreviation DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (EnhancedSDRAM, abbreviation ESDRAM), synchronized links dynamic random access memory (SynchlinkDRAM, referred to as ) and direct rambus random access memory (DirectRambusRAM, abbreviation DRRAM) SLDRAM.What the present invention described deposits Reservoir 132 is intended to the memory of including but not limited to these and any other suitable type.
Optionally, memory 132 stores following element, executable modules or data structures or their son Collection or their superset：Operating system 1321 and application program 1322.
Wherein, operating system 1321, including various system programs, such as ccf layer, core library layer, driving layer etc., are used for Realize various basic businesses and the hardware based task of processing.
Application program 1322, including various application programs, such as media player (MediaPlayer), browser (Browser) etc., for realizing various applied business.It realizes that the program of present invention method can also be included in and applies journey In sequence 1322.
Specifically, the program in the calling of processor 131 memory 132 executes the method for reseptance of information above-mentioned, this method Including：In first orthogonal frequency division multiplex OFDM symbol of the network side equipment in synchronizing signal resource each resource group in the block and Reception detection is carried out in second OFDM symbol, obtains the corresponding reference signal of the first OFDM symbol and second in each resource group The corresponding reference signal of OFDM symbol；
Channel estimation is carried out to the reference signal in each resource group, obtains the first OFDM symbol pair in each resource group Phase difference between the reference signal answered reference signal corresponding with the second OFDM symbol；
According to the corresponding phase difference of each resource group, the information that the network side equipment is sent is obtained；
Wherein, the reference signal reference corresponding with the second OFDM symbol of first OFDM symbol in each resource group Phase difference between signal indicates at least one of described information bit.
Optionally, which is additionally operable to：
The synchronizing signal resource block is divided at least two resource groups；
Wherein, each resource group includes at least one set of continuous 12 subcarriers.
Optionally, first OFDM symbol is to transmit the symbol of secondary synchronization signal, and second OFDM symbol is transmission Any one symbol of the reference signal of PBCH.
Optionally, first OFDM symbol and second OFDM symbol are the symbol for the reference signal for transmitting PBCH Number.
Optionally, the corresponding reference signal of first OFDM symbol reference signal corresponding with second OFDM symbol Between phase difference when being 0, the phase difference indicates information bit 0；The corresponding reference signal of first OFDM symbol and institute When to state phase difference between the corresponding reference signal of the second OFDM symbol be π, the phase difference indicates information bit 1；
Alternatively,
Between the corresponding reference signal of first OFDM symbol reference signal corresponding with second OFDM symbol When phase difference is π, the phase difference indicates information bit 0；The corresponding reference signal of first OFDM symbol and described second When phase difference between the corresponding reference signal of OFDM symbol is 0, the phase difference indicates information bit 1.
Optionally, the corresponding reference signal of first OFDM symbol reference signal corresponding with second OFDM symbol Between phase difference belong to set { 0, pi/2, π 3, pi/2 }, the information bit that phase difference indicates belongs to set { 00,01,11,10 }； Wherein, phase difference is corresponded with information bit.
Optionally, described information includes at least one of following：
Wave beam identification information, subwave beam identification information transmit and receive node TRP identification informations, PBCH merging instruction letters Number, System Frame Number, expansion system frame number, Extended Cell mark, the time-frequency location information of public search space, idle retain letter Breath, system bandwidth information, synchronizing signal set of bursts period instruction information, transmission measurement period, transmission measurement duration, physics Can hybrid automatic retransmission indication channel PHICH, antenna configuration information, check information, cell independently access instruction information.
In the above scheme, first OFDM symbol and second of the terminal device in network side equipment in each resource group Reception detection is carried out in OFDM symbol, the corresponding two groups of reference signals of each resource group is obtained, then between two groups of reference signals The information bit that phase difference obtains carries information using the phase difference of reference signal, reduces the complexity that PBCH sends and receives, Effectively improve transmission performance.
In addition, the present invention also provides a kind of network side equipments, including：Memory, processor, transmitter and computer journey Sequence, the computer program are stored in the memory, and the processor runs the hair of the computer program execution information Delivery method.
The present invention also provides a kind of terminal devices, including：Memory, processor and computer program, the computer Program is stored in the memory, and the processor runs the method for reseptance of the computer program execution information.
In the embodiment of above-mentioned network side equipment and terminal device, it should be understood that memory can also be integrated in processor Portion.
The present invention also provides a kind of storage mediums, including：Readable storage medium storing program for executing and computer program, the computer program For realizing the method for reseptance of information.
The present invention also provides a kind of storage mediums, including：Readable storage medium storing program for executing and computer program, the computer program For realizing the method for reseptance of information.
The present invention also provides a kind of program product, which includes computer program (executing instruction), the calculating Machine program is stored in readable storage medium storing program for executing.At least one processor of network side equipment can be read from readable storage medium storing program for executing should Computer program, at least one processor execute the sender that the computer program makes network side equipment equipment implementation information Method.
The present invention also provides a kind of program product, which includes computer program (executing instruction), the calculating Machine program is stored in readable storage medium storing program for executing.At least one processor of terminal device can read the meter from readable storage medium storing program for executing Calculation machine program, at least one processor execute the computer program and terminal device are made to implement the method for reseptance of above- mentioned information.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (34)

1. a kind of sending method of information is applied to network side equipment, which is characterized in that the method includes：
The first orthogonal frequency division multiplex OFDM symbol in synchronizing signal resource each resource group in the block and the second OFDM symbol On, reference signal is mapped respectively；
The synchronizing signal resource all OFDM symbols in the block are sent；
Wherein, the corresponding reference signal of the first OFDM symbol reference signal corresponding with the second OFDM symbol in each resource group Between phase difference indicate the information of at least one bit.
2. according to the method described in claim 1, it is characterized in that, described in synchronizing signal resource each resource group in the block The first orthogonal frequency division multiplex OFDM symbol and the second OFDM symbol on map reference signal respectively before, the method is also wrapped It includes：
The synchronizing signal resource block is divided at least two resource groups；
Wherein, each resource group includes at least one set of continuous 12 subcarriers.
3. according to the method described in claim 1, it is characterized in that, described in synchronizing signal resource each resource group in the block The first orthogonal frequency division multiplex OFDM symbol and the second OFDM symbol on map reference signal respectively, including：
By at least one set of progress phase place processing in two groups of reference signals；
Two groups of reference signals after phase place is handled are mapped in the default resource particle of first OFDM symbol respectively On RE and the default RE of the second OFDM symbol；
Wherein, one group in two groups of reference signals is the reference signal to be mapped to the first OFDM symbol, and another group is to wait for Map to the reference signal of the second OFDM symbol.
4. according to the method described in claim 1, it is characterized in that, described in synchronizing signal resource each resource group in the block The first orthogonal frequency division multiplex OFDM symbol and the second OFDM symbol on map reference signal respectively, including：
Two groups of reference signals to be mapped are mapped in default RE and the 2nd OFDM symbol of first OFDM symbol respectively Number default RE on；
Phase place processing is carried out to first OFDM symbol and/or second OFDM symbol.
5. method according to claim 3 or 4, which is characterized in that first OFDM symbol is transmission secondary synchronization signal Symbol, second OFDM symbol be transmit PBCH reference signal any one symbol.
6. method according to claim 3 or 4, which is characterized in that first OFDM symbol and the 2nd OFDM symbols Number it is the symbol for transmitting PBCH.
7. according to the method described in claim 1, it is characterized in that, described by the synchronizing signal resource all OFDM in the block Symbol is sent, including：
The reference signal of PBCH and PBCH in each resource group are mapped on the transmission unit of antenna and sent；
Wherein, the reference signal of PBCH and PBCH is mapped on the transmission unit of the antenna by default precoding vector 's.
8. method according to claim 3 or 4, which is characterized in that the phase difference between two groups of reference signals is 0 When, the phase difference indicates information bit 0；When phase difference between described two reference signals is π, the phase difference indicates letter Cease bit 1；
Alternatively,
When phase difference between two groups of reference signals is π, the phase difference indicates information bit 0；Described two reference letters When phase difference between number is 0, the phase difference indicates information bit 1.
9. method according to claim 3 or 4, which is characterized in that the phase difference between two groups of reference signals belongs to Gather { 0, pi/2, π 3, pi/2 }, the information bit that phase difference indicates belongs to set { 00,01,11,10 }；Wherein, phase difference and letter Bit is ceased to correspond.
10. method according to any one of claims 1 to 4, which is characterized in that at least one information bit include with It is at least one of lower：
Wave beam identification information, subwave beam identification information transmit and receive node TRP identification informations, PBCH merging indication signal, are System frame number, expansion system frame number, Extended Cell mark, the time-frequency location information of public search space, idle reservation information, system Bandwidth information, synchronizing signal set of bursts period instruction information, transmission measurement period, transmission measurement duration, physical mixed are certainly Can dynamic retransmission indicating chanel PHICH, antenna configuration information, check information, cell independently access instruction information.
11. a kind of method of reseptance of information, which is characterized in that it is applied to terminal device, the method includes：
In first orthogonal frequency division multiplex OFDM symbol of the network side equipment in synchronizing signal resource each resource group in the block and Reception detection is carried out in second OFDM symbol, obtains the corresponding reference signal of the first OFDM symbol and second in each resource group The corresponding reference signal of OFDM symbol；
Channel estimation is carried out to the reference signal in each resource group, the first OFDM symbol obtained in each resource group is corresponding Phase difference between reference signal reference signal corresponding with the second OFDM symbol；
According to the corresponding phase difference of each resource group, the information that the network side equipment is sent is obtained；
Wherein, the reference signal reference signal corresponding with the second OFDM symbol of first OFDM symbol in each resource group Between phase difference indicate at least one of described information bit.
12. according to the method for claim 11, which is characterized in that it is described to network side equipment in synchronizing signal resource block Each resource group in the first orthogonal frequency division multiplex OFDM symbol and the second OFDM symbol predefined resource particle RE on Before being detected, the method further includes：
The synchronizing signal resource block is divided at least two resource groups；
Wherein, each resource group includes at least one set of continuous 12 subcarriers.
13. method according to claim 11 or 12, which is characterized in that first OFDM symbol is to transmit auxiliary synchronous letter Number symbol, second OFDM symbol be transmit PBCH reference signal any one symbol.
14. method according to claim 11 or 12, which is characterized in that first OFDM symbol and the 2nd OFDM Symbol is the symbol for the reference signal for transmitting PBCH.
15. method according to claim 11 or 12, which is characterized in that the corresponding reference signal of first OFDM symbol When phase difference between reference signal corresponding with second OFDM symbol is 0, the phase difference indicates information bit 0；Institute It is π to state the phase difference between the corresponding reference signal of the first OFDM symbol reference signal corresponding with second OFDM symbol When, the phase difference indicates information bit 1；
Alternatively,
Phase between the corresponding reference signal of first OFDM symbol reference signal corresponding with second OFDM symbol When difference is π, the phase difference indicates information bit 0；The corresponding reference signal of first OFDM symbol and the 2nd OFDM When phase difference between the corresponding reference signal of symbol is 0, the phase difference indicates information bit 1.
16. method according to claim 11 or 12, which is characterized in that the corresponding reference signal of first OFDM symbol Phase difference between reference signal corresponding with second OFDM symbol belongs to set { 0, pi/2, π 3, pi/2 }, and phase difference indicates Information bit belong to set { 00,01,11,10 }；Wherein, phase difference is corresponded with information bit.
17. method according to claim 11 or 12, which is characterized in that described information includes at least one of following：
Wave beam identification information, subwave beam identification information transmit and receive node TRP identification informations, PBCH merging indication signal, are System frame number, expansion system frame number, Extended Cell mark, the time-frequency location information of public search space, idle reservation information, system Bandwidth information, synchronizing signal set of bursts period instruction information, transmission measurement period, transmission measurement duration, physical mixed are certainly Can dynamic retransmission indicating chanel PHICH, antenna configuration information, check information, cell independently access instruction information.
18. a kind of network side equipment, which is characterized in that including：
First processing module, for the first orthogonal frequency division multiplex OFDM symbol in synchronizing signal resource each resource group in the block Number and the second OFDM symbol on, map reference signal respectively；
Sending module, for sending the synchronizing signal resource all OFDM symbols in the block；
Wherein, the corresponding reference signal of the first OFDM symbol reference signal corresponding with the second OFDM symbol in each resource group Between phase difference indicate the information of at least one bit.
19. network side equipment according to claim 18, which is characterized in that the network side equipment further includes：
Second processing module, for the synchronizing signal resource block to be divided at least two resource groups；
Wherein, each resource group includes at least one set of continuous 12 subcarriers.
20. network side equipment according to claim 18, which is characterized in that the first processing module includes：
First phase rotates submodule, for at least one set in two groups of reference signals to be carried out phase place processing；
First mapping submodule is mapped in the first OFDM respectively for two groups of reference signals after handling phase place On the default resource particle RE of symbol and the default RE of the second OFDM symbol；
Wherein, one group in two groups of reference signals is the reference signal to be mapped to the first OFDM symbol, and another group is to wait for Map to the reference signal of the second OFDM symbol.
21. network side equipment according to claim 18, which is characterized in that the first processing module, including：
Second mapping submodule, for two groups of reference signals to be mapped to be mapped in the default of first OFDM symbol respectively On RE and the default RE of second OFDM symbol；
Second phase rotates submodule, for carrying out phase rotation to first OFDM symbol and/or second OFDM symbol Turn processing.
22. the network side equipment according to claim 20 or 21, which is characterized in that first OFDM symbol is that transmission is auxiliary The symbol of synchronizing signal, second OFDM symbol are any one symbol for the reference signal for transmitting PBCH.
23. the network side equipment according to claim 20 or 21, which is characterized in that first OFDM symbol and described Two OFDM symbols are the symbol for the reference signal for transmitting PBCH.
24. network side equipment according to claim 18, which is characterized in that the sending module is specifically used for each providing The reference signal of PBCH and PBCH in the group of source, which are mapped on the transmission unit of antenna, to be sent；
Wherein, the reference signal of PBCH and PBCH is mapped to by preset precoding vector on the transmission unit of the antenna 's.
25. the network side equipment according to claim 20 or 21, which is characterized in that the phase between two groups of reference signals When potential difference is 0, the phase difference indicates information bit 0；When phase difference between two groups of reference signals is π, the phase Difference indicates information bit 1；
Alternatively,
When phase difference between two groups of reference signals is π, the phase difference indicates information bit 0；Described two groups with reference to letter When phase difference between number is 0, the phase difference indicates information bit 1.
26. the network side equipment according to any one of claim 18 to 21, which is characterized in that two groups of reference signals Between phase difference belong to set { 0, pi/2, π 3, pi/2 }, the information bit that phase difference indicates belongs to set { 00,01,11,10 }； Wherein, phase difference is corresponded with information bit.
27. according to claim 18 to 21 any one of them network side equipment, which is characterized in that at least one information ratio Spy includes at least one of following：
Wave beam identification information, subwave beam identification information transmit and receive node TRP identification informations, PBCH merging indication signal, are System frame number, expansion system frame number, Extended Cell mark, the time-frequency location information of public search space, idle reservation information, system Bandwidth information, synchronizing signal set of bursts period instruction information, transmission measurement period, transmission measurement duration, physical mixed are certainly Can dynamic retransmission indicating chanel PHICH, antenna configuration information, check information, cell independently access instruction information.
28. a kind of terminal device, which is characterized in that including：
Receiving module, for the first orthogonal frequency division multiplexing in network side equipment in synchronizing signal resource each resource group in the block Reception detection is carried out in OFDM symbol and the second OFDM symbol, obtains the corresponding reference of the first OFDM symbol in each resource group Signal and the corresponding reference signal of the second OFDM symbol；
Third processing module is obtained for carrying out channel estimation to the reference signal in each resource group in each resource group Phase difference between the corresponding reference signal of first OFDM symbol reference signal corresponding with the second OFDM symbol；
Fourth processing module, for according to the corresponding phase difference of each resource group, obtaining the information that the network side equipment is sent；
Wherein, the reference signal reference signal corresponding with the second OFDM symbol of first OFDM symbol in each resource group Between phase difference indicate at least one of described information bit.
29. terminal device according to claim 28, which is characterized in that the terminal device further includes：
5th processing module, for the synchronizing signal resource block to be divided at least two resource groups；
Wherein, each resource group includes at least one set of continuous 12 subcarriers.
30. the terminal device according to claim 28 or 29, which is characterized in that first OFDM symbol is that transmission is auxiliary same The symbol of signal is walked, second OFDM symbol is any one symbol for the reference signal for transmitting PBCH.
31. the terminal device according to claim 28 or 29, which is characterized in that first OFDM symbol and described second OFDM symbol is the symbol for the reference signal for transmitting PBCH.
32. the terminal device according to claim 28 or 29, which is characterized in that the corresponding reference of first OFDM symbol When phase difference between signal reference signal corresponding with second OFDM symbol is 0, the phase difference indicates information bit 0；Phase difference between the corresponding reference signal of first OFDM symbol reference signal corresponding with second OFDM symbol For π when, the phase difference indicates information bit 1；
Alternatively,
Phase between the corresponding reference signal of first OFDM symbol reference signal corresponding with second OFDM symbol When difference is π, the phase difference indicates information bit 0；The corresponding reference signal of first OFDM symbol and the 2nd OFDM When phase difference between the corresponding reference signal of symbol is 0, the phase difference indicates information bit 1.
33. the terminal device according to claim 28 or 29, which is characterized in that the corresponding reference of first OFDM symbol Phase difference between signal reference signal corresponding with second OFDM symbol belongs to set { 0, pi/2, π 3, pi/2 }, phase difference The information bit of expression belongs to set { 00,01,11,10 }；Wherein, phase difference is corresponded with information bit.
34. the terminal device according to claim 28 or 29, which is characterized in that described information includes at least one of following：
Wave beam identification information, subwave beam identification information transmit and receive node TRP identification informations, PBCH merging indication signal, are System frame number, expansion system frame number, Extended Cell mark, the time-frequency location information of public search space, idle reservation information, system Bandwidth information, synchronizing signal set of bursts period instruction information, transmission measurement period, transmission measurement duration, physical mixed are certainly Can dynamic retransmission indicating chanel PHICH, antenna configuration information, check information, cell independently access instruction information.
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