CN109150446A - Time index indicating means, base station, storage medium and electronic equipment - Google Patents

Time index indicating means, base station, storage medium and electronic equipment Download PDF

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Publication number
CN109150446A
CN109150446A CN201710458732.9A CN201710458732A CN109150446A CN 109150446 A CN109150446 A CN 109150446A CN 201710458732 A CN201710458732 A CN 201710458732A CN 109150446 A CN109150446 A CN 109150446A
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China
Prior art keywords
synchronization signal
signal burst
subcarrier spacing
index
pbch
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CN201710458732.9A
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Chinese (zh)
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CN109150446B (en
Inventor
周化雨
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Spreadtrum Communications Shanghai Co Ltd
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Spreadtrum Communications Shanghai Co Ltd
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Priority to CN201710458732.9A priority Critical patent/CN109150446B/en
Publication of CN109150446A publication Critical patent/CN109150446A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

A kind of time index indicating means, base station, storage medium and electronic equipment, the time index indicating means include: acquisition subcarrier spacing；According to the subcarrier spacing, the number of time slots of synchronization signal burst corresponding with the subcarrier spacing is set；According to the subcarrier spacing, and symbolic number included by the time slot of the corresponding synchronization signal burst of the subcarrier spacing, the bit number of synchronization signal block index in PBCH DMRS instruction synchronization signal burst is set, and setting PBCH load indicates the bit number of the synchronization signal burst index in synchronization signal burst set.Above scheme can take into account the detection performance and complexity of the index information of synchronization signal block.

Description

Time index indicating means, base station, storage medium and electronic equipment
Technical field
The present invention relates to wireless communication field more particularly to a kind of time index indicating means, base station, storage medium and electricity Sub- equipment.
Background technique
In 5G system, synchronization signal block (Synchronization Signal Block) includes primary synchronization signal (Primary Synchronization Signal, PSS), secondary synchronization signal (Secondary Synchronization Signal, SSS) and Physical Broadcast Channel (Physical Broadcast Channel, PBCH).Multiple synchronization signal block compositions One synchronization signal happens suddenly (SS-burst).Synchronization signal burst can be regarded as containing the one of the Relatively centralized of multiple wave beams Block resource.Multiple synchronization signal burst one synchronization signal burst set (SS-burst-set) of composition.Synchronization signal block is not With the process that transmission is a beam scanning is repeated on wave beam, pass through the training of beam scanning, user equipment (User Equipment, UE) can to perceive the signal received on which wave beam most strong.
PBCH can be used to carry index (SS-block index) information and System Frame Number of synchronization signal block (System Frame Number, SFN) information, the instruction of the index and SFN of synchronization signal block may be collectively referred to as time index and refer to Show (time index indication).
In the prior art, for the index information of synchronization signal block, a kind of method is will to be carried by PBCH load The index information of synchronization signal block；Another method is the demodulated reference signal (Demodulation by PBCH Reference Signal, DMRS) carry the index information of synchronization signal block.
However, the method for the index information of above two synchronous signal transmission block respectively has excellent under different application scenarios Disadvantage.When carrying the index information of synchronization signal block using PBCH load, synchronization signal block is protected by channel coding The detection performance of index information, the index information of synchronization signal block is preferable, but due to needing user equipment to decode PBCH, Complexity is higher.The index information that synchronization signal block is carried using PBCH DMRS is easy to be affected by the intercell interference, together The detection performance for walking the index information of block is relatively poor, but complexity is relatively low.
Summary of the invention
What the embodiment of the present invention solved is how to take into account the detection performance and complexity of the index information of synchronization signal block.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of time index indicating means, comprising: obtain son and carry Wave spacing；According to the subcarrier spacing, the number of time slots of synchronization signal burst corresponding with the subcarrier spacing is set；Root According to symbolic number included by the subcarrier spacing and the time slot of the corresponding synchronization signal burst of the subcarrier spacing, if The bit number for the synchronization signal block index that PBCH DMRS is indicated in synchronization signal burst is set, and setting PBCH load indicates together Walk the bit number of the synchronization signal burst index in signal burst set.
Optionally, described according to the subcarrier spacing, synchronization signal burst corresponding with the subcarrier spacing is set Number of time slots, comprising: the subcarrier spacing is 15KHz, and the subcarrier spacing corresponding synchronization signal burst is arranged Time slot is 1 time slot.
Optionally, described according to the subcarrier spacing and the subcarrier spacing corresponding synchronization signal burst Symbolic number included by time slot, setting PBCH DMRS indicate the bit number of the synchronization signal block index in synchronization signal burst, with And setting PBCH load indicates the bit number of the synchronization signal burst index in synchronization signal burst set, comprising: when the son When symbolic number included by the time slot of the corresponding synchronization signal burst in carrier wave interval is 7, setting PBCH load instruction one same The bit number for walking the synchronization signal burst index in signal burst set is 2 bits；When the corresponding synchronization of the subcarrier spacing When symbolic number included by the time slot of signal burst is 14, setting PBCH DMRS indicates the synchronous letter in synchronization signal burst The bit number of number block index is 1 bit, and setting PBCH load indicates the synchronization signal burst in a synchronization signal burst set The bit number of index is 1 bit.
Optionally, described according to the subcarrier spacing, synchronization signal burst corresponding with the subcarrier spacing is set Number of time slots, comprising: the subcarrier spacing is 30KHz, and the subcarrier spacing corresponding synchronization signal burst is arranged Time slot is 1 time slot.
Optionally, described according to the subcarrier spacing and the subcarrier spacing corresponding synchronization signal burst Symbolic number included by time slot, setting PBCH DMRS indicate the bit number of the synchronization signal block index in synchronization signal burst, with And setting PBCH load indicates the bit number of the synchronization signal burst index in synchronization signal burst set, comprising: when the son When symbolic number included by the time slot of the corresponding synchronization signal burst in carrier wave interval is 7, setting PBCH load instruction one same The bit number for walking the synchronization signal burst index in signal burst set is 3 bits；When the corresponding synchronization of the subcarrier spacing When symbolic number included by the time slot of signal burst is 14, setting PBCH DMRS indicates the synchronous letter in synchronization signal burst The bit number of number block index is 1 bit, and setting PBCH load indicates the synchronization signal burst in a synchronization signal burst set The bit number of index is 2 bits.
Optionally, described according to the subcarrier spacing, synchronization signal burst corresponding with the subcarrier spacing is set Number of time slots, comprising: the subcarrier spacing is 120KHz, and the subcarrier spacing corresponding synchronization signal burst is arranged Time slot is 1 time slot.
Optionally, described according to the subcarrier spacing and the subcarrier spacing corresponding synchronization signal burst Symbolic number included by time slot, setting PBCH DMRS indicate the bit number of the synchronization signal block index in synchronization signal burst, with And setting PBCH load indicates the bit number of the synchronization signal burst index in synchronization signal burst set, comprising: the sub- load Symbolic number included by the time slot of the corresponding synchronization signal burst of wave spacing is 14, and setting PBCH DMRS indicates synchronization signal The bit number of synchronization signal block index in burst is 1 bit, and setting PBCH load indicates in a synchronization signal burst set Synchronization signal burst index bit number be 4 bits.
Optionally, described according to the subcarrier spacing, synchronization signal burst corresponding with the subcarrier spacing is set Number of time slots, comprising: the subcarrier spacing is 240KHz, and the subcarrier spacing corresponding synchronization signal burst is arranged Time slot is 2 time slots.
Optionally, described according to the subcarrier spacing and the subcarrier spacing corresponding synchronization signal burst Symbolic number included by time slot, setting PBCH DMRS indicate the bit number of the synchronization signal block index in synchronization signal burst, with And setting PBCH load indicates the bit number of the synchronization signal burst index in synchronization signal burst set, comprising: the sub- load Symbolic number included by the time slot of the corresponding synchronization signal burst of wave spacing is 14, and setting PBCH DMRS indicates synchronization signal The bit number of synchronization signal block index in burst is 2 bits, and setting PBCH load indicates in a synchronization signal burst set Synchronization signal burst index bit number be 4 bits.
Optionally, described according to the subcarrier spacing, synchronization signal burst corresponding with the subcarrier spacing is set Number of time slots, comprising: according to symbolic number included in the subcarrier spacing and a time slot, setting and the sub- load The number of time slots of the corresponding synchronization signal burst of wave spacing.
Optionally, described according to symbolic number included in the subcarrier spacing and a time slot, setting with it is described The number of time slots of subcarrier spacing corresponding synchronization signal burst, comprising: the subcarrier spacing is 15KHz, and a time slot In included symbolic number when being 7, the number of time slots that synchronization signal burst corresponding with the subcarrier spacing is arranged is 2 It is a；The subcarrier spacing is 15KHz, and when symbolic number included in a time slot is 14, setting between the sub- load Every corresponding synchronization signal burst number of time slots be 1.
Optionally, described according to the subcarrier spacing and the subcarrier spacing corresponding synchronization signal burst Symbolic number included by time slot, setting PBCH DMRS indicate the bit number of the synchronization signal block index in synchronization signal burst, with And setting PBCH load indicates the bit number of the synchronization signal burst index in synchronization signal burst set, comprising: setting PBCH DMRS indicates that the bit number of the synchronization signal block index in synchronization signal burst is 1 bit, is arranged in PBCH load and indicates one The bit number of synchronization signal burst index in synchronization signal burst set is 1 bit.
Optionally, described according to symbolic number included in the subcarrier spacing and a time slot, setting with it is described The number of time slots of subcarrier spacing corresponding synchronization signal burst, comprising: the subcarrier spacing is 30KHz, and a time slot In included symbolic number when being 7, the number of time slots that synchronization signal burst corresponding with the subcarrier spacing is arranged is 2 It is a；The subcarrier spacing is 30KHz, and when symbolic number included in a time slot is 14, setting and the subcarrier The number of time slots for being spaced corresponding synchronization signal burst is 1.
Optionally, described according to the subcarrier spacing and the subcarrier spacing corresponding synchronization signal burst Symbolic number included by time slot, setting PBCH DMRS indicate the bit number of the synchronization signal block index in synchronization signal burst, with And setting PBCH load indicates the bit number of the synchronization signal burst index in synchronization signal burst set, comprising: setting PBCH The bit number of synchronization signal block index in DMRS instruction synchronization signal burst is 1 bit, and setting PBCH load instruction one same The bit number for walking the synchronization signal burst index in signal burst set is 2 bits.
Optionally, described according to the subcarrier spacing and the subcarrier spacing corresponding synchronization signal burst Symbolic number included by time slot, setting PBCH DMRS indicate the bit number of the synchronization signal block index in synchronization signal burst, with And setting PBCH load indicates the bit number of the synchronization signal burst index in synchronization signal burst set, comprising: when the son When intercarrier is divided into 15KHz and 30KHz, setting PBCH load indicates the synchronization signal burst rope in synchronization signal burst set The bit number drawn；When the subcarrier spacing is 120KHz and 240KHz, setting PBCH DMRS indicates synchronization signal burst The bit number of interior synchronization signal block index, and setting PBCH load indicate that the synchronization signal in synchronization signal burst set is prominent Send out the bit number of index.
Optionally, described when the subcarrier spacing is 15KHz and 30KHz, setting PBCH load indicates synchronous letter Synchronization signal burst index in number burst set, comprising: when the subcarrier spacing is 15KHz, setting PBCH load refers to The bit number for showing the synchronization signal burst index in synchronization signal burst set is 2 bits；When the subcarrier spacing is 30KHz When, setting PBCH load indicates that the bit number of the synchronization signal burst index in synchronization signal burst set is 3 bits.
Optionally, described when the subcarrier spacing is 120KHz and 240KHz, setting PBCH DMRS indicates to synchronize It is same in the bit number of synchronization signal block index in signal burst, and setting PBCH load instruction synchronization signal burst set Walk the bit number of signal burst index, comprising: when the subcarrier spacing is 120KHz, setting PBCH DMRS indicates to synchronize The bit number of synchronization signal block index in signal burst is 1 bit, and setting PBCH load indicates a synchronization signal burst collection The bit number of synchronization signal burst index in conjunction is 4 bits；When the subcarrier spacing is 240KHz, PBCH is set The bit number of synchronization signal block index in DMRS instruction synchronization signal burst is 2 bits, and setting PBCH load instruction one same The bit number for walking the synchronization signal burst index in signal burst set is 4 bits.
Optionally, the time index indicating means further include: when being used to indicate synchronous letter in set PBCH load When the bit number of synchronization signal burst index in number burst set is less than 4, synchronous letter will be used to indicate in the PBCH load The bit number of synchronization signal burst index in number burst set is filled with 4.
Optionally, it using following any method, will be used to indicate in synchronization signal burst set in the PBCH load The bit number of synchronization signal burst index be filled with 4: using fill method is repeated, will be used to indicate in the PBCH load same The bit number of synchronization signal burst index in step signal burst set is filled with 4；Using zero-padding method, the PBCH is born The bit number for the synchronization signal burst index being used to indicate in synchronization signal burst set in lotus is filled with 4；Using block code side The bit number for the synchronization signal burst index being used to indicate in synchronization signal burst set in the PBCH load is filled with by method 4。
The embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer instruction, described The step of time index indicating means described in executing any of the above-described kind when computer instruction operation.
The embodiment of the invention also provides a kind of time index indicating means, comprising: receives the PBCH that base station issues；According to It is presently in frequency band, determines subcarrier spacing；According to the subcarrier spacing, from the PBCH, PBCH DMRS instruction is obtained It is indicated in synchronization signal burst set in the bit number and PBCH load of synchronization signal block index in synchronization signal burst The bit number of synchronization signal burst index.
Optionally, in the bit number for obtaining the synchronization signal block index in PBCH DMRS instruction synchronization signal burst, and After the bit number for indicating the synchronization signal burst index in synchronization signal burst set in PBCH load, further includes: from described In PBCH, using any method in detection or decoding, the synchronization in the PBCH DMRS instruction synchronization signal burst is obtained The synchronization signal burst index information in synchronization signal burst set is indicated in block index information and PBCH load；Root It is same according to instruction in the synchronization signal block index information and the PBCH load in PBCH DMRS instruction synchronization signal burst Walk the synchronization signal burst index information in signal burst set, acquisition time index information.
The embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer instruction, described The step of time index indicating means described in executing any of the above-described kind when computer instruction operation.
The embodiment of the invention provides a kind of base stations, comprising: acquiring unit, for obtaining subcarrier spacing；First setting Unit, for the number of time slots of synchronization signal burst corresponding with the subcarrier spacing to be arranged according to the subcarrier spacing； Second setting unit, for according to the subcarrier spacing and the subcarrier spacing corresponding synchronization signal burst when Symbolic number included by gap, setting PBCH DMRS indicate the bit number of the synchronization signal block index in synchronization signal burst, and The bit number of synchronization signal burst index in PBCH load instruction synchronization signal burst set is set.
Optionally, first setting unit, for the subcarrier to be arranged when the subcarrier spacing is 15KHz The time slot for being spaced corresponding synchronization signal burst is 1 time slot.
Optionally, second setting unit, for the time slot when the corresponding synchronization signal burst of the subcarrier spacing When included symbolic number is 7, setting PBCH load indicates the synchronization signal burst rope in a synchronization signal burst set The bit number drawn is 2 bits；The symbolic number included by the time slot of the subcarrier spacing corresponding synchronization signal burst is 14 When a, setting PBCH DMRS indicates that the bit number of the synchronization signal block index in synchronization signal burst is 1 bit, and PBCH is arranged Load indicates that the bit number of the synchronization signal burst index in a synchronization signal burst set is 1 bit.
Optionally, first setting unit, for the subcarrier to be arranged when the subcarrier spacing is 30KHz The time slot for being spaced corresponding synchronization signal burst is 1 time slot.
Optionally, second setting unit, for the time slot when the corresponding synchronization signal burst of the subcarrier spacing When included symbolic number is 7, setting PBCH load indicates the synchronization signal burst rope in a synchronization signal burst set The bit number drawn is 3 bits；The symbolic number included by the time slot of the subcarrier spacing corresponding synchronization signal burst is 14 When a, setting PBCH DMRS indicates that the bit number of the synchronization signal block index in synchronization signal burst is 1 bit, and PBCH is arranged Load indicates that the bit number of the synchronization signal burst index in a synchronization signal burst set is 2 bits.
Optionally, first setting unit, for the subcarrier to be arranged when the subcarrier spacing is 120KHz The time slot for being spaced corresponding synchronization signal burst is 1 time slot.
It optionally, is 120KHz when the subcarrier spacing is subcarrier spacing, and the subcarrier spacing is corresponding same When symbolic number included by the time slot of step signal burst is 14, second setting unit, for PBCH DMRS instruction to be arranged The bit number of synchronization signal block index in synchronization signal burst is 1 bit, and setting PBCH load indicates that a synchronization signal is prominent The bit number of synchronization signal burst index in hair set is 4 bits.
Optionally, first setting unit, for the subcarrier to be arranged when the subcarrier spacing is 240KHz The time slot for being spaced corresponding synchronization signal burst is 2 time slots.
It optionally, is 240KHz when the subcarrier spacing is subcarrier spacing, and the subcarrier spacing is corresponding same When symbolic number included by the time slot of step signal burst is 14, second setting unit, for PBCH DMRS instruction to be arranged The bit number of synchronization signal block index in synchronization signal burst is 2 bits, and setting PBCH load indicates that a synchronization signal is prominent The bit number of synchronization signal burst index in hair set is 4 bits.
Optionally, first setting unit, for according to included in the subcarrier spacing and a time slot The number of time slots of synchronization signal burst corresponding with the subcarrier spacing is arranged in symbolic number.
Optionally, first setting unit for being 15KHz when the subcarrier spacing, and is wrapped in a time slot When the symbolic number included is 7, the number of time slots that synchronization signal burst corresponding with the subcarrier spacing is arranged is 2；Work as institute Stating subcarrier spacing is 15KHz, and when symbolic number included in a time slot is 14, is arranged corresponding with the sub- load interval Synchronization signal burst number of time slots be 1.
Optionally, second setting unit, the synchronization signal for being arranged in PBCH DMRS instruction synchronization signal burst The bit number of block index is 1 bit, and the synchronization signal burst indicated in a synchronization signal burst set in PBCH load is arranged The bit number of index is 1 bit.
Optionally, first setting unit for being 30KHz when the subcarrier spacing, and is wrapped in a time slot When the symbolic number included is 7, the number of time slots that synchronization signal burst corresponding with the subcarrier spacing is arranged is 2；It is described Subcarrier spacing is 30KHz, and when symbolic number included in a time slot is 14, is arranged corresponding with the subcarrier spacing Synchronization signal burst number of time slots be 1.
Optionally, second setting unit, the synchronization signal for being arranged in PBCH DMRS instruction synchronization signal burst The bit number of block index is 1 bit, and setting PBCH load indicates the synchronization signal burst rope in a synchronization signal burst set The bit number drawn is 2 bits.
Optionally, second setting unit, for being arranged when the subcarrier spacing is 15KHz and 30KHz PBCH load indicates the bit number of the synchronization signal burst index in synchronization signal burst set；When the subcarrier spacing is When 120KHz and 240KHz, setting PBCH DMRS indicates the bit number of the synchronization signal block index in synchronization signal burst, with And setting PBCH load indicates the bit number of the synchronization signal burst index in synchronization signal burst set.
Optionally, second setting unit, for when the subcarrier spacing is 15KHz, setting PBCH load to refer to The bit number for showing the synchronization signal burst index in synchronization signal burst set is 2 bits；When the subcarrier spacing is 30KHz When, setting PBCH load indicates that the bit number of the synchronization signal burst index in synchronization signal burst set is 3 bits.
Optionally, second setting unit, for PBCH DMRS to be arranged when the subcarrier spacing is 120KHz The bit number for indicating the synchronization signal block index in synchronization signal burst is 1 bit, and setting PBCH load indicates a synchronous letter The bit number of synchronization signal burst index in number burst set is 4 bits；When the subcarrier spacing is 240KHz, setting PBCH DMRS indicates that the bit number of the synchronization signal block index in synchronization signal burst is 2 bits, and setting PBCH load indicates one The bit number of synchronization signal burst index in a synchronization signal burst set is 4 bits.
Optionally, the base station further include: fills unit is used to indicate synchronous letter for working as in set PBCH load When the bit number of synchronization signal burst index in number burst set is less than 4, synchronous letter will be used to indicate in the PBCH load The bit number of synchronization signal burst index in number burst set is filled with 4.
Optionally, the fills unit, for will be used to indicate in the PBCH load same using following any method The bit number of synchronization signal burst index in step signal burst set is filled with 4: using fill method is repeated, by the PBCH The bit number for the synchronization signal burst index being used to indicate in synchronization signal burst set in load is filled with 4；Using zero padding Method fills the bit number for the synchronization signal burst index being used to indicate in synchronization signal burst set in the PBCH load It is 4；Using block code method, by the synchronization signal being used to indicate in the PBCH load in synchronization signal burst set burst rope The bit number drawn is filled with 4.
The embodiment of the invention also provides a kind of user terminals, comprising: receiving unit is issued for receiving base station PBCH；Determination unit, for determining subcarrier spacing according to frequency band is presently in；Bit number acquiring unit, for according to Subcarrier spacing obtains the bit of the synchronization signal block index in PBCH DMRS instruction synchronization signal burst from the PBCH The bit number of the synchronization signal burst index in synchronization signal burst set is indicated in several and PBCH load.
In specific implementation, the user terminal further include: time index information acquisition unit is used for from the PBCH In, using at least one of detection or decoding method, obtain the synchronous letter in the PBCH DMRS instruction synchronization signal burst The synchronization signal burst index information in synchronization signal burst set is indicated in number block index information and PBCH load；According to institute State the synchronous letter of instruction in the synchronization signal block index information and the PBCH load in PBCH DMRS instruction synchronization signal burst Synchronization signal burst index information in number burst set, acquisition time index information.
The embodiment of the invention also provides a kind of electronic equipment, including memory and processor, stored on the memory There is the computer instruction that can be run on the processor, the processor runs the computer instruction and executes any of the above-described kind The step of described time index indicating means.
Compared with prior art, the technical solution of the embodiment of the present invention has the advantages that
By symbolic number included by subcarrier spacing and the time slot of the corresponding synchronization signal burst of subcarrier spacing, if Set the bit number and the synchronous letter of PBCH load instruction of the synchronization signal block index in PBCH DMRS instruction synchronization signal burst The bit number of synchronization signal burst index in number burst set.The synchronization in synchronization signal burst is indicated by PBCH DMRS Block index indicates the synchronization signal burst index in synchronization signal burst set by PBCH load, so as to take into account The detection performance and complexity of the index information of synchronization signal block.
Further, when the synchronization signal burst rope being used to indicate in set PBCH load in synchronization signal burst set When the bit number drawn is less than 4, by the synchronization signal being used to indicate in the PBCH load in synchronization signal burst set burst rope The bit number drawn is filled with 4, can reduce false-alarm probability.
Detailed description of the invention
Fig. 1 is the flow chart of one of embodiment of the present invention time index indicating means；
Fig. 2 is the flow chart of another time index indicating means in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of one of embodiment of the present invention base station；
Fig. 4 is the structural schematic diagram of one of embodiment of the present invention user terminal.
Specific embodiment
PBCH is used for the minimum system information of bearing part.In 5G system, the system information of broadcast is divided into two classes, and one Class is minimum system information (Minimum System Information, MSI), and another kind of is other systems information (Other System Information, OSI).MSI is sent to user equipment by way of broadcast, and OSI is generally requested by user The mode of unicast is sent to user equipment again.Therefore, MSI could be sent in PBCH.PBCH, which is generally limited to number of resources, to be caused Can carrying bit number it is less, 24 information bits of carrying are only capable of in LTE system, therefore only part MSI can be It is sent in PBCH.Generally speaking, by the MSI information of bearing part in PBCH.
PBCH can also be used to carry index (SS-block index) information of synchronization signal block.Due in some period The time-domain position of interior possible synchronization signal block is fixed, therefore when user equipment detects the index information of synchronization signal block Afterwards, can derive the timing information in some period, including synchronization signal BOB(beginning of block) in the period which time slot and Which symbol in the time slot.Such as when the period is 10 milliseconds, possible synchronization signal block in 10 milliseconds when Domain position be it is fixed, after user equipment detects the index information of synchronization signal block, can derive and determine in 10 milliseconds When information, including synchronization signal BOB(beginning of block) in 10 milliseconds which time slot and the time slot in which symbol.
PBCH can also be used to bearing system frame number (System Frame Number, SFN) information.System Frame Number is shared 1024 values, each system-frame is 10 milliseconds.PBCH carry SFN can using implicitly add it is explicit by the way of, such as in LTE, PBCH is divided into 4 pieces (chunk) transmissions in 40ms, sends in each piece of some subframe in 10ms, when user equipment is blind This 4 PBCH blocks are examined, just can determine that minimum two of SFN, and the bit of remaining 8 SFN is carried on the load of PBCH (payload) in.
In conclusion PBCH can carry the index of synchronization signal block and the information of SFN (may be part).It is general next It says, the instruction of the index and SFN of synchronization signal block may be collectively referred to as time index instruction (time index indication), Because SFN is also considered as the index of system-frame.We can say that PBCH can carry time index, or instruction time rope Draw.
When carrying the index information of synchronization signal block using PBCH load, synchronization signal is protected by channel coding The detection performance of the index information of block, the index information of synchronization signal block is preferable, but due to needing user equipment to decode PBCH, Therefore complexity is higher.It is easy in the index information for carrying synchronization signal block using PBCH DMRS by inter-cell interference It influences, the detection performance of the index information of synchronization signal block is relatively poor, but complexity is relatively low.
In embodiments of the present invention, it indicates that the synchronization signal block in synchronization signal burst indexes by PBCH DMRS, passes through PBCH load indicates the synchronization signal burst index in synchronization signal burst set, so as to take into account the index of synchronization signal block The detection performance and complexity of information.
It is understandable to enable above-mentioned purpose of the invention, feature and beneficial effect to become apparent, with reference to the accompanying drawing to this The specific embodiment of invention is described in detail.
The embodiment of the invention provides a kind of time index indicating means, referring to Fig.1, carry out below by way of specific steps detailed It describes in detail bright.
Step S101 obtains subcarrier spacing.
In practical applications it is found that subcarrier spacing used in base station include 15KHz, 30KHz, 120KHz and 240KHz etc..For different frequency bands, subcarrier spacing used in base station be may be the same or different.It base station can root According to different frequency band and communication requirement, to select corresponding subcarrier spacing.
Synchronization signal burst corresponding with the subcarrier spacing is arranged according to the subcarrier spacing in step S102 Number of time slots.
In specific implementation, base station can be arranged corresponding synchronous with subcarrier spacing according to different subcarrier spacings The number of time slots of signal burst.
For example, the number of time slots of the corresponding synchronization signal burst of the subcarrier spacing that 15KHz can be set is 1 time slot, The number of time slots that the corresponding synchronization signal burst of subcarrier spacing of 30KHz is arranged is 1 time slot, and the subcarrier of 120KHz is arranged The number of time slots for being spaced corresponding synchronization signal burst is 1 time slot, and the corresponding synchronous letter of subcarrier spacing of 240KHz is arranged Number burst number of time slots be 2 time slots.
In specific implementation, base station can also according to symbolic number included in subcarrier spacing and a time slot, if Set the number of time slots of synchronization signal burst corresponding with subcarrier spacing.
Step S103, according to the subcarrier spacing and the subcarrier spacing corresponding synchronization signal burst when Symbolic number included by gap, setting PBCH DMRS indicate the bit number of the synchronization signal block index in synchronization signal burst, and The bit number of synchronization signal burst index in PBCH load instruction synchronization signal burst set is set.
In specific implementation, get subcarrier spacing and subcarrier spacing corresponding synchronization signal burst when After symbolic number included by gap, i.e., the ratio of the synchronization signal block index in settable PBCH DMRS instruction synchronization signal burst Special number, setting PBCH load indicate the bit number of the synchronization signal burst index in synchronization signal burst set.
Step S102~step the S103 provided in the above embodiment of the present invention is described in detail below.
In specific implementation, when group intercarrier is divided into 15KHz, the subcarrier spacing that 15KHz can be set is corresponding same The number of time slots for walking signal burst is 1 time slot, and the corresponding symbolic number of 1 time slot can be 7, or 14.
When the symbolic number of 1 time slot of the corresponding synchronization signal burst of 15KHz is 7, in a synchronization signal burst There is 1 synchronization signal block, there are 4 synchronization signal bursts in a synchronization signal burst set.Since a synchronization signal happens suddenly Interior only 1 synchronization signal block, the synchronization signal block index that there is no need to be arranged in PBCH DMRS instruction synchronization signal burst. Due to there are 4 synchronization signal bursts in a synchronization signal burst, 4 code-point (code in PBCH load can be set Point) come indicate 4 synchronization signals in a synchronization signal burst set happen suddenly, namely setting PBCH load indicate one The bit number of synchronization signal burst index in synchronization signal burst set is 2 bits.In other words, there are 2 ratios in PBCH load Spy is the synchronization signal burst index being used to indicate in a synchronization signal burst set.
When the symbolic number of 1 time slot of the corresponding synchronization signal burst of 15KHz is 14, in a synchronization signal burst There are 2 synchronization signal blocks, there are 2 synchronization signal bursts in a synchronization signal burst set.Since a synchronization signal happens suddenly Inside there are 2 synchronization signal blocks, therefore the ratio of the synchronization signal block index in PBCH DMRS instruction synchronization signal burst can be set Special number is 1 bit.Due to there are 2 synchronization signal bursts in a synchronization signal burst set, PBCH load can be set In 2 code-points come indicate 2 synchronization signals in a synchronization signal burst set happen suddenly, namely setting PBCH load indicate The bit number of synchronization signal burst index in one synchronization signal burst set is 1 bit.In other words, have in PBCH load 1 bit is the synchronization signal burst index being used to indicate in a synchronization signal burst set.
In specific implementation, when group intercarrier is divided into 30KHz, the subcarrier spacing that 30KHz can be set is corresponding same The number of time slots for walking signal burst is 1 time slot, and the corresponding symbolic number of 1 time slot can be 7, or 14.
When the symbolic number of 1 time slot of the corresponding synchronization signal burst of 30KHz is 7, in a synchronization signal burst There is 1 synchronization signal block, there are 8 synchronization signal bursts in a synchronization signal burst set.Since a synchronization signal happens suddenly Interior only 1 synchronization signal block, the synchronization signal block index that there is no need to be arranged in PBCH DMRS instruction synchronization signal burst. Due to there are 8 synchronization signal bursts in a synchronization signal burst, 8 in PBCH load code-points can be set to indicate 8 synchronization signals burst in one synchronization signal burst set, namely setting PBCH load indicate a synchronization signal burst The bit number of synchronization signal burst index in set is 3 bits.In other words, having 3 bits in PBCH load is to be used to indicate Synchronization signal burst index in one synchronization signal burst set.
When the symbolic number of 1 time slot of the corresponding synchronization signal burst of 30KHz is 14, in a synchronization signal burst There are 2 synchronization signal blocks, there are 2 synchronization signal bursts in a synchronization signal burst set.Since a synchronization signal happens suddenly Inside there are 2 synchronization signal blocks, therefore the ratio of the synchronization signal block index in PBCH DMRS instruction synchronization signal burst can be set Special number is 1 bit.Due to there are 4 synchronization signal bursts in a synchronization signal burst set, PBCH load can be set In 4 code-points come indicate 4 synchronization signals in a synchronization signal burst set happen suddenly, namely setting PBCH load indicate The bit number of synchronization signal burst index in one synchronization signal burst set is 2 bits.In other words, have in PBCH load 2 bits are the synchronization signal burst index being used to indicate in a synchronization signal burst set.
In specific implementation, when group intercarrier is divided into 120KHz, the subcarrier spacing that 120KHz can be set is corresponding The number of time slots of synchronization signal burst is 1 time slot, and the corresponding symbolic number of 1 time slot is 14.It happens suddenly in a synchronization signal Inside there are 2 synchronization signal blocks, there are 16 synchronization signal bursts in a synchronization signal burst set.Therefore, PBCH DMRS is set The bit number for indicating the synchronized block index in synchronization signal burst is 1 bit, and 16 codes in PBCH load are arranged It puts to indicate that 16 synchronization signals in a synchronization signal burst set happen suddenly, namely setting PBCH load indicates a synchronization The bit number of synchronization signal burst index in signal burst set is 4 bits.In other words, 4 bits are in PBCH load The synchronization signal burst index being used to indicate in a synchronization signal burst set.
In specific implementation, when group intercarrier is divided into 240KHz, the subcarrier spacing that 240KHz can be set is corresponding The time slot of synchronization signal burst is 2 time slots, and the corresponding symbolic number of 1 time slot is 14.Have 4 in a synchronization signal burst A synchronization signal block has 16 synchronization signals bursts in one synchronization signal burst set.Therefore, setting PBCH DMRS is indicated The bit number of synchronization signal block index in synchronization signal burst is 2 bits, and 16 code-points in PBCH load are arranged to indicate 16 synchronization signals burst in one synchronization signal burst set, namely setting PBCH load indicate a synchronization signal burst The bit number of synchronization signal burst index in set is 4 bits.
In practical applications it is found that the sequence of PBCH DMRS is different, the information carried is different.Therefore, of the invention real It applies in example, different PBCH DMRS sequences can be used to characterize the index information of different synchronization signal blocks.For example, setting The index that PBCH DMRS sequence a characterizes synchronization signal block is 1, the index of setting PBCH DMRS sequence b characterization synchronization signal block It is 2, then when the index for the synchronization signal block being arranged in PBCH DMRS instruction synchronization signal burst is 2, PBCH can be sent DMRS sequence b.
From the above embodiment of the present invention it is known that when group intercarrier is divided into 15KHz and 30KHz, synchronization signal is prominent The number of time slots of hair is 1.For the time slot of synchronization signal burst, corresponding symbolic number can be 7 or 14. That is, the corresponding symbolic number of synchronization signal burst may be 7 or 14 when group intercarrier is divided into 15KHz and 30KHz It is a.
In embodiments of the present invention, it is the processing convenient for decoding operation, can is 15KHz and 30KHz by subcarrier spacing The corresponding corresponding symbolic number of synchronization signal burst is unified for 14.
It in specific implementation, can be according to symbolic number included in subcarrier spacing and a time slot, setting and son The number of time slots of the corresponding synchronization signal burst in carrier wave interval.
When group intercarrier is divided into 15KHz, can be set the subcarrier spacing corresponding synchronization signal burst of 15KHz when Gap number is 1 time slot or 2 time slots.When symbolic number included in a time slot is 7, subcarrier spacing 15KHz The number of time slots of corresponding synchronization signal burst is 2；When symbolic number included in a time slot is 14, between subcarrier The number of time slots for being divided into the corresponding synchronization signal burst of 15KHz is 1.
When group intercarrier is divided into 15KHz, there are 2 synchronization signal blocks, a synchronization signal in a synchronization signal burst There are 2 synchronization signal bursts in burst set.Therefore, the synchronous letter in PBCH DMRS instruction synchronization signal burst can be set The bit number of number block index is 1 bit, and 2 code-points in PBCH load are arranged to indicate in a synchronization signal burst set 2 synchronization signal bursts, namely setting PBCH load indicate the synchronization signal burst index in a synchronization signal burst set Bit number be 1 bit.
When group intercarrier is divided into 30KHz, can be set the subcarrier spacing corresponding synchronization signal burst of 30KHz when Gap number is 1 time slot or 2 time slots.When symbolic number included in a time slot is 7, subcarrier spacing 30KHz The number of time slots of corresponding synchronization signal burst is 2；When symbolic number included in a time slot is 14, between subcarrier The number of time slots for being divided into the corresponding synchronization signal burst of 30KHz is 1.
When group intercarrier is divided into 30KHz, there are 2 synchronization signal blocks, a synchronization signal in a synchronization signal burst There are 4 synchronization signal bursts in burst set.Therefore, the synchronous letter in PBCH DMRS instruction synchronization signal burst can be set The bit number of number block index is 1 bit, and 4 code-points in PBCH load are arranged to indicate in a synchronization signal burst set 4 synchronization signal bursts, namely setting PBCH load indicate the synchronization signal burst index in a synchronization signal burst set Bit number be 2 bits.
When group intercarrier is divided into 120KHz, the number of time slots that the burst of corresponding synchronization signal is arranged is 1, and at 1 Included symbolic number is 14 in gap.When group intercarrier is divided into 240KHz, the time slot of corresponding synchronization signal burst is set Number is 2, and symbolic number included in 1 time slot is 14.
When group intercarrier is divided into 120KHz, the time slot of the corresponding synchronization signal burst of subcarrier spacing of 120KHz is set Number is 1 time slot, and the corresponding symbolic number of 1 time slot is 14.There are 2 synchronization signal blocks in a synchronization signal burst, There are 16 synchronization signal bursts in one synchronization signal burst set.It is arranged same in PBCH DMRS instruction synchronization signal burst The bit number for walking synchronization signal block index is 1 bit, and 16 code-points in PBCH load are arranged to indicate that a synchronization signal is prominent 16 synchronization signals burst in hair set, namely setting PBCH load indicate the synchronous letter in a synchronization signal burst set The bit number of number burst index is 4 bits.
When group intercarrier is divided into 240KHz, the time slot of the corresponding synchronization signal burst of subcarrier spacing of 240KHz is set For 2 time slots, the corresponding symbolic number of 1 time slot is 14.There are 4 synchronization signal blocks in the burst of synchronization signal, one There are 16 synchronization signal bursts in synchronization signal burst set.Therefore, setting PBCH DMRS indicates same in synchronization signal burst The bit number for walking block index is 2 bits, and 16 code-points in PBCH load are arranged to indicate a synchronization signal burst collection 16 synchronization signals burst in conjunction, namely setting PBCH load indicate that the synchronization signal in a synchronization signal burst set is prominent The bit number of hair index is 4 bits.
In specific implementation, the bit of the synchronization signal block index in synchronization signal burst is indicated in setting PBCH DMRS When the bit number of the synchronization signal burst index in number, and setting PBCH load instruction synchronization signal burst set, if son carries Wave spacing is 15KHz and 30KHz, then can be set using only the synchronous letter in PBCH load instruction synchronization signal burst set The bit number of number burst index；If subcarrier spacing is 120KHz and 240KHz, it is same that PBCH DMRS instruction can be set The bit number of the synchronization signal block index in signal burst is walked, and setting PBCH load indicates in synchronization signal burst set The bit number of synchronization signal burst index.
In specific implementation, for the subcarrier spacing of 15KHz, no matter the symbolic number of a time slot is 7 or 14, There are 4 synchronization signal blocks in one synchronization signal burst set.Therefore, it is possible to use 4 code-points of PBCH load indicate 4 synchronization signals burst in one synchronization signal burst set, namely setting PBCH load indicate a synchronization signal burst The bit number of synchronization signal burst index in set is 2 bits.
For the subcarrier spacing of 30KHz, no matter the symbolic number of a time slot is 7 or 14, a synchronization signal There are 8 synchronization signal blocks in burst set.Therefore, it is possible to use 8 code-points of PBCH load indicate a synchronization signal 8 synchronization signals burst in burst set, namely setting PBCH load indicate the synchronization in a synchronization signal burst set The bit number of signal burst index is 3 bits.
For the subcarrier spacing of 120KHz, it is 1 that the number of time slots that synchronization signal happens suddenly, which is arranged, the symbol of a time slot Number is 14.There are 2 synchronization signal blocks in one synchronization signal burst, there are 16 synchronizations in a synchronization signal burst set Block.Therefore, the bit number that the synchronization signal block index in PBCH DMRS instruction synchronization signal burst can be set is 1 ratio Spy, 16 code-points of PBCH load can be set indicate 16 synchronization signals in a synchronization signal burst set happen suddenly, Namely setting PBCH load indicates that the bit number of the synchronization signal burst index in a synchronization signal burst set is 4 bits.
For the subcarrier spacing of 240KHz, it is 2 that the number of time slots that synchronization signal happens suddenly, which is arranged, the symbol of a time slot Number is 14.There are 4 synchronization signal blocks in one synchronization signal burst, there are 16 synchronizations in a synchronization signal burst set Block.Therefore, the bit number that the synchronization signal block index in PBCH DMRS instruction synchronization signal burst can be set is 2 ratios Spy, 16 code-points of PBCH load can be set indicate 16 synchronization signals in a synchronization signal burst set happen suddenly, Namely setting PBCH load indicates that the bit number of the synchronization signal burst index in a synchronization signal burst set is 4 bits.
In specific implementation, it is found that in some cases, PBCH load instruction one is same from the above embodiment of the present invention The bit number of the synchronization signal burst index in signal burst set is walked less than 4.For example, can from the above embodiment of the present invention To know, the number of time slots of the subcarrier spacing of subcarrier spacing 15KHz, 15KHz corresponding synchronization signal burst is 1 time slot, 1 When the symbolic number of a time slot is 7, PBCH load is used to indicate the synchronization signal burst index in synchronization signal burst set Bit number is only 1.
It can be seen that indicating the synchronization signal block index in synchronization signal burst by PBCH DMRS, pass through PBCH load Indicate synchronization signal burst set in synchronization signal burst index, so as to take into account synchronization signal block index information inspection Survey performance and complexity.
In embodiments of the present invention, it is Uniting and reduction false-alarm probability, indicates a synchronous letter for PBCH load When the bit number of synchronization signal burst index in number burst set is less than 4, synchronization can will be used to indicate in PBCH load The bit number of synchronization signal burst index in signal burst set is filled with 4.That is, in PBCH load, for referring to The bit number for showing the synchronization signal burst index in synchronization signal burst set is always 4.
When PBCH load indicates the bit number of the synchronization signal burst index in a synchronization signal burst set less than 4 When, zero-padding method can be used, by the synchronization signal being used to indicate in synchronization signal burst set in PBCH load burst rope The bit number drawn is filled with 4.When PBCH load indicates the ratio of the synchronization signal burst index in a synchronization signal burst set When special number is less than 4, block code method can also be used, it is same in synchronization signal burst set by being used to indicate in PBCH load The bit number of step signal burst index is filled with 4.When PBCH load indicates the synchronization signal in a synchronization signal burst set When the bit number of burst index is less than 4, synchronization can also will be used to indicate in the PBCH load using fill method is repeated The bit number of synchronization signal burst index in signal burst set is filled with 4.
For example, PBCH load indicates that the bit number of the synchronization signal burst index in a synchronization signal burst set is 1 It is a, then 30 bits can be filled in PBCH load, so that same in PBCH load one synchronization signal burst set of instruction It is 4 that the bit number for walking signal burst index increases from 1,30 bits filled and the meaning for not having instruction.
For another example, when the bit number for the synchronization signal burst index being used to indicate in PBCH load in synchronization signal burst set When being 1, which can be repeated 4 times, thus the synchronous letter that will be used to indicate in PBCH load in synchronization signal burst set The bit number of number burst index is filled with 4.When the synchronization signal being used to indicate in synchronization signal burst set in PBCH load is prominent Hair index bit number be 3 when, can from 3 bits optional one repeated, thus by being used to indicate in PBCH load The bit number of synchronization signal burst index in synchronization signal burst set is filled with 4.
It is understood that in a particular application, there may also be other fill methods, will be used in PBCH load Indicate that the bit number of the synchronization signal burst index in synchronization signal burst set is filled with 4.
It in specific implementation, may include: synchronization signal block index, SFN and Master Information Block (Master in PBCH load Information Block, MIB) in removal SFN part.When being encoded, can by synchronization signal block index, SFN with And the part progress combined coding of SFN is removed in MIB, to improve code efficiency.It, can also be by synchronization signal when being encoded Block index carries out combined coding with SFN, and the part progress that SFN is removed in MIB is separately encoded, so that UE is in solution synchronization signal block When index, synchronization signal block need to only be indexed and SFN is decoded, without being solved to the part for removing SFN in MIB Code, so as to reduce the decoded computation complexity of UE.
The embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer instruction, described The step of computer instruction executes the time index indicating means provided in the above embodiment of the present invention when running.
The embodiment of the invention also provides a kind of time index indicating means to carry out referring to Fig. 2 below by way of specific steps It is described in detail.
Step S201 receives the PBCH that base station issues.
In specific implementation, UE can receive the PBCH that base station issues.
Step S202 determines subcarrier spacing according to frequency band is presently in.
In specific implementation, UE can the frequency band according to locating for currently received signal, to select and be presently in frequency band Corresponding subcarrier spacing.
From the PBCH, it is prominent to obtain PBCH DMRS instruction synchronization signal according to the subcarrier spacing by step S203 Indicate that the synchronization signal in synchronization signal burst set is prominent in the bit number and PBCH load of synchronization signal block index in hair Send out the bit number of index.
In specific implementation, in the ratio for obtaining the synchronization signal block index in PBCH DMRS instruction synchronization signal burst After the bit number for indicating the synchronization signal burst index in synchronization signal burst set in special number and PBCH load, may be used also To obtain the synchronization signal block index information in the PBCH DMRS instruction synchronization signal burst using following any method, And the synchronization signal burst index information in PBCH load in instruction synchronization signal burst set: decoding, detection.Later, root It is same according to instruction in the synchronization signal block index information and the PBCH load in PBCH DMRS instruction synchronization signal burst Walk the synchronization signal burst index information in signal burst set, acquisition time index information.
From in the above embodiment of the present invention it is found that synchronization signal in the synchronization signal burst set carried in PBCH load Burst index is to be presented in PBCH load in the form of specific bit, namely determine which bit carries synchronization signal Synchronization signal burst index information in burst set is that explicit form is presented.
In a particular application, the synchronization signal burst index in synchronization signal burst set carried in PBCH load may be used also It is presented in implicit mode, namely there is no certain several bits in regulation PBCH load to carry in synchronization signal burst set Synchronization signal burst index information, but carried using the feature of PBCH or other resources same in synchronization signal burst set Walk signal burst index information.
For example, carrying the synchronization signal burst index information in synchronization signal burst set using the scrambling code in PBCH. For another example, using in PBCH redundant version number or CRC mask come carry the synchronization signal in synchronization signal burst set happen suddenly Index information.It is understood that can also be carried in synchronization signal burst set using other features of PBCH or resource Synchronization signal burst index information, be not repeated herein.
It should be noted that PBCH described in the embodiment of the present invention is not limited in Physical Broadcast Channel, can also wrap Including channel that other can be realized Physical Broadcast Channel function namely all channels that can be realized Physical Broadcast Channel can be with It is regarded as PBCH described in the embodiment of the present invention.
Referring to Fig. 3, one of embodiment of the present invention base station 30 is given, comprising: the setting of acquiring unit 301, first is single Member 302 and the second setting unit 303, in which:
Acquiring unit 301, for obtaining subcarrier spacing；
First setting unit 302, for being arranged corresponding synchronous with the subcarrier spacing according to the subcarrier spacing The number of time slots of signal burst；
Second setting unit 303, for according to the corresponding synchronous letter of the subcarrier spacing and the subcarrier spacing Number burst time slot included by symbolic number, setting PBCH DMRS indicate synchronization signal burst in synchronization signal block index Bit number, and setting PBCH load indicate the bit number of the synchronization signal burst index in synchronization signal burst set.
In specific implementation, first setting unit 302 can be used for when the subcarrier spacing is 15KHz, if The time slot for setting the corresponding synchronization signal burst of the subcarrier spacing is 1 time slot.
In specific implementation, second setting unit 303 can be used for when the corresponding synchronous letter of the subcarrier spacing Number burst time slot included by symbolic number be 7 when, setting PBCH load indicate a synchronization signal burst set in it is same The bit number for walking signal burst index is 2 bits；Included by the time slot of the corresponding synchronization signal burst of the subcarrier spacing Symbolic number be 14 when, setting PBCH DMRS indicate synchronization signal burst in synchronization signal block index bit number be 1 ratio Spy, setting PBCH load indicate that the bit number of the synchronization signal burst index in a synchronization signal burst set is 1 bit.
In specific implementation, first setting unit 302 can be used for when the subcarrier spacing is 30KHz, if The time slot for setting the corresponding synchronization signal burst of the subcarrier spacing is 1 time slot.
In specific implementation, second setting unit 303 can be used for when the corresponding synchronous letter of the subcarrier spacing Number burst time slot included by symbolic number be 7 when, setting PBCH load indicate a synchronization signal burst set in it is same The bit number for walking signal burst index is 3 bits；Included by the time slot of the corresponding synchronization signal burst of the subcarrier spacing Symbolic number be 14 when, setting PBCH DMRS indicate synchronization signal burst in synchronization signal block index bit number be 1 ratio Spy, setting PBCH load indicate that the bit number of the synchronization signal burst index in a synchronization signal burst set is 2 bits.
In specific implementation, first setting unit 302 can be used for when the subcarrier spacing is 120KHz, The time slot that the corresponding synchronization signal burst of the subcarrier spacing is arranged is 1 time slot.
It in specific implementation, is 120KHz when the subcarrier spacing is subcarrier spacing, and the subcarrier spacing pair When symbolic number included by the time slot for the synchronization signal burst answered is 14, second setting unit 303 can be used for being arranged PBCH DMRS indicates that the bit number of the synchronization signal block index in synchronization signal burst is 1 bit, and setting PBCH load indicates one The bit number of synchronization signal burst index in a synchronization signal burst set is 4 bits.
In specific implementation, first setting unit 302 can be used for when the subcarrier spacing is 240KHz, The time slot that the corresponding synchronization signal burst of the subcarrier spacing is arranged is 2 time slots.
It in specific implementation, is 240KHz when the subcarrier spacing is subcarrier spacing, and the subcarrier spacing pair When symbolic number included by the time slot for the synchronization signal burst answered is 14, second setting unit 303 can be used for being arranged PBCH DMRS indicates that the bit number of the synchronization signal block index in synchronization signal burst is 2 bits, and setting PBCH load indicates one The bit number of synchronization signal burst index in a synchronization signal burst set is 4 bits.
In specific implementation, first setting unit 302, when can be used for according to the subcarrier spacing and one The number of time slots of synchronization signal burst corresponding with the subcarrier spacing is arranged in included symbolic number in gap.
In specific implementation, first setting unit 302 can be used for working as the subcarrier spacing for 15KHz, and one When included symbolic number is 7 in a time slot, the time slot of synchronization signal burst corresponding with the subcarrier spacing is set Number is 2；When the subcarrier spacing is 15KHz, and symbolic number included in a time slot is 14, setting with it is described It is 1 that son, which carries and is spaced the number of time slots of corresponding synchronization signal burst,.
In specific implementation, it is prominent to can be used for being arranged PBCH DMRS instruction synchronization signal for second setting unit 303 The bit number of synchronization signal block index in hair is 1 bit, is arranged in PBCH load and indicates in a synchronization signal burst set Synchronization signal burst index bit number be 1 bit.
In specific implementation, first setting unit 302 can be used for working as the subcarrier spacing for 30KHz, and one When included symbolic number is 7 in a time slot, the time slot of synchronization signal burst corresponding with the subcarrier spacing is set Number is 2；The subcarrier spacing is 30KHz, and when symbolic number included in a time slot is 14, setting and the son The number of time slots of the corresponding synchronization signal burst in carrier wave interval is 1.
In specific implementation, it is prominent to can be used for being arranged PBCH DMRS instruction synchronization signal for second setting unit 303 The bit number of synchronization signal block index in hair is 1 bit, and setting PBCH load indicates in a synchronization signal burst set The bit number of synchronization signal burst index is 2 bits.
In specific implementation, second setting unit 303, can be used for when the subcarrier spacing be 15KHz and When 30KHz, setting PBCH load indicates the bit number of the synchronization signal burst index in synchronization signal burst set；When the son When intercarrier is divided into 120KHz and 240KHz, setting PBCH DMRS indicates the synchronization signal block index in synchronization signal burst Bit number, and setting PBCH load indicate synchronization signal burst set in synchronization signal burst index bit number.
In specific implementation, second setting unit 303 can be used for when the subcarrier spacing is 15KHz, if The bit number for setting the synchronization signal burst index in PBCH load instruction synchronization signal burst set is 2 bits；When the sub- load When wave spacing is 30KHz, setting PBCH load indicates the bit number of the synchronization signal burst index in synchronization signal burst set For 3 bits.
In specific implementation, second setting unit 303 can be used for when the subcarrier spacing is 120KHz, The bit number that the synchronization signal block index in PBCH DMRS instruction synchronization signal burst is arranged is 1 bit, and setting PBCH load refers to The bit number for showing the synchronization signal burst index in a synchronization signal burst set is 4 bits；When the subcarrier spacing is When 240KHz, setting PBCH DMRS indicates that the bit number of the synchronization signal block index in synchronization signal burst is 2 bits, setting PBCH load indicates that the bit number of the synchronization signal burst index in a synchronization signal burst set is 4 bits.
In specific implementation, the base station can also include: fills unit (not shown), for bearing as set PBCH When being used to indicate the bit number of the synchronization signal burst index in synchronization signal burst set in lotus less than 4, the PBCH is born The bit number for the synchronization signal burst index being used to indicate in synchronization signal burst set in lotus is filled with 4.
In specific implementation, the fills unit can be used for using following any method, will be in the PBCH load The bit number for the synchronization signal burst index being used to indicate in synchronization signal burst set is filled with 4: it uses and repeats fill method, The bit number for the synchronization signal burst index being used to indicate in synchronization signal burst set in the PBCH load is filled with 4； Using zero-padding method, by the synchronization signal burst index being used to indicate in the PBCH load in synchronization signal burst set Bit number is filled with 4；Using block code method, the synchronization that will be used to indicate in the PBCH load in synchronization signal burst set The bit number of signal burst index is filled with 4.
The embodiment of the invention also provides a kind of user terminals 40, comprising: receiving unit 401, determination unit 402 and ratio Special number acquiring unit 403, in which:
Receiving unit 401, the PBCH issued for receiving base station；
Determination unit 402, for determining subcarrier spacing according to frequency band is presently in；
Bit number acquiring unit 403, for from the PBCH, obtaining PBCH DMRS and referring to according to the subcarrier spacing Show in the bit number and PBCH load of the synchronization signal block index in synchronization signal burst and indicates in synchronization signal burst set Synchronization signal burst index bit number.
In specific implementation, the user terminal 40 further include: time index information acquisition unit 404 is used for from described In PBCH, using at least one of detection or decoding method, obtain same in the PBCH DMRS instruction synchronization signal burst Walk the synchronization signal burst index information indicated in synchronization signal burst set in block index information and PBCH load；Root It is same according to instruction in the synchronization signal block index information and the PBCH load in PBCH DMRS instruction synchronization signal burst Walk the synchronization signal burst index information in signal burst set, acquisition time index information.
The embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer instruction, described The step of computer instruction executes the time index indicating means provided in the above embodiment of the present invention when running.
The embodiment of the invention also provides a kind of electronic equipment, including memory and processor, stored on the memory There is the computer instruction that can be run on the processor, the processor executes in the present invention when running the computer instruction The step of time index indicating means provided in embodiment is provided.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can It is completed with indicating relevant hardware by program, which can be stored in a computer readable storage medium, storage Medium may include: ROM, RAM, disk or CD etc..
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute Subject to the range of restriction.

Claims (45)

1. a kind of time index indicating means characterized by comprising
Obtain subcarrier spacing；
According to the subcarrier spacing, the number of time slots of synchronization signal burst corresponding with the subcarrier spacing is set；
According to symbol included by the subcarrier spacing and the time slot of the corresponding synchronization signal burst of the subcarrier spacing Number, setting PBCH DMRS indicate that the bit number of the synchronization signal block index in synchronization signal burst, and setting PBCH load refer to Show the bit number of the synchronization signal burst index in synchronization signal burst set.
2. time index indicating means as described in claim 1, which is characterized in that it is described according to the subcarrier spacing, if Set the number of time slots of synchronization signal burst corresponding with the subcarrier spacing, comprising:
The subcarrier spacing is 15KHz, when the time slot that the corresponding synchronization signal burst of the subcarrier spacing is arranged is 1 Gap.
3. time index indicating means as claimed in claim 2, which is characterized in that it is described according to the subcarrier spacing, with And symbolic number included by the time slot of the corresponding synchronization signal burst of the subcarrier spacing, setting PBCH DMRS indicate to synchronize It is same in the bit number of synchronization signal block index in signal burst, and setting PBCH load instruction synchronization signal burst set Walk the bit number of signal burst index, comprising:
When the symbolic number included by the time slot of the subcarrier spacing corresponding synchronization signal burst is 7, setting PBCH is negative Lotus indicates that the bit number of the synchronization signal burst index in a synchronization signal burst set is 2 bits；
When the symbolic number included by the time slot of the subcarrier spacing corresponding synchronization signal burst is 14, PBCH is set The bit number of synchronization signal block index in DMRS instruction synchronization signal burst is 1 bit, and setting PBCH load instruction one same The bit number for walking the synchronization signal burst index in signal burst set is 1 bit.
4. time index indicating means as described in claim 1, which is characterized in that it is described according to the subcarrier spacing, if Set the number of time slots of synchronization signal burst corresponding with the subcarrier spacing, comprising:
The subcarrier spacing is 30KHz, when the time slot that the corresponding synchronization signal burst of the subcarrier spacing is arranged is 1 Gap.
5. time index indicating means as claimed in claim 4, which is characterized in that it is described according to the subcarrier spacing, with And symbolic number included by the time slot of the corresponding synchronization signal burst of the subcarrier spacing, setting PBCH DMRS indicate to synchronize It is same in the bit number of synchronization signal block index in signal burst, and setting PBCH load instruction synchronization signal burst set Walk the bit number of signal burst index, comprising:
When the symbolic number included by the time slot of the subcarrier spacing corresponding synchronization signal burst is 7, setting PBCH is negative Lotus indicates that the bit number of the synchronization signal burst index in a synchronization signal burst set is 3 bits；
When the symbolic number included by the time slot of the subcarrier spacing corresponding synchronization signal burst is 14, PBCH is set The bit number of synchronization signal block index in DMRS instruction synchronization signal burst is 1 bit, and setting PBCH load instruction one same The bit number for walking the synchronization signal burst index in signal burst set is 2 bits.
6. time index indicating means as described in claim 1, which is characterized in that it is described according to the subcarrier spacing, if Set the number of time slots of synchronization signal burst corresponding with the subcarrier spacing, comprising:
The subcarrier spacing is 120KHz, when the time slot that the corresponding synchronization signal burst of the subcarrier spacing is arranged is 1 Gap.
7. time index indicating means as claimed in claim 6, which is characterized in that it is described according to the subcarrier spacing, with And symbolic number included by the time slot of the corresponding synchronization signal burst of the subcarrier spacing, setting PBCH DMRS indicate to synchronize It is same in the bit number of synchronization signal block index in signal burst, and setting PBCH load instruction synchronization signal burst set Walk the bit number of signal burst index, comprising:
Symbolic number included by the time slot of the corresponding synchronization signal burst of the subcarrier spacing is 14, and PBCH DMRS is arranged The bit number for indicating the synchronization signal block index in synchronization signal burst is 1 bit, and setting PBCH load indicates a synchronous letter The bit number of synchronization signal burst index in number burst set is 4 bits.
8. time index indicating means as described in claim 1, which is characterized in that it is described according to the subcarrier spacing, if Set the number of time slots of synchronization signal burst corresponding with the subcarrier spacing, comprising:
The subcarrier spacing is 240KHz, when the time slot that the corresponding synchronization signal burst of the subcarrier spacing is arranged is 2 Gap.
9. time index indicating means as claimed in claim 8, which is characterized in that it is described according to the subcarrier spacing, with And symbolic number included by the time slot of the corresponding synchronization signal burst of the subcarrier spacing, setting PBCH DMRS indicate to synchronize It is same in the bit number of synchronization signal block index in signal burst, and setting PBCH load instruction synchronization signal burst set Walk the bit number of signal burst index, comprising:
Symbolic number included by the time slot of the corresponding synchronization signal burst of the subcarrier spacing is 14, and PBCH DMRS is arranged The bit number for indicating the synchronization signal block index in synchronization signal burst is 2 bits, and setting PBCH load indicates a synchronous letter The bit number of synchronization signal burst index in number burst set is 4 bits.
10. time index indicating means as described in claim 1, which is characterized in that it is described according to the subcarrier spacing, if Set the number of time slots of synchronization signal burst corresponding with the subcarrier spacing, comprising:
According to symbolic number included in the subcarrier spacing and a time slot, it is arranged corresponding with the subcarrier spacing The number of time slots of synchronization signal burst.
11. time index indicating means as claimed in claim 10, which is characterized in that it is described according to the subcarrier spacing with And included symbolic number in a time slot, the number of time slots that synchronization signal corresponding with the subcarrier spacing happens suddenly is set, Include:
The subcarrier spacing is 15KHz, and when symbolic number included in a time slot is 7, setting and the subcarrier The number of time slots for being spaced corresponding synchronization signal burst is 2；The subcarrier spacing is 15KHz, and is wrapped in a time slot When the symbolic number included is 14, the number of time slots that setting is spaced corresponding synchronization signal burst with the sub- load is 1.
12. time index indicating means as claimed in claim 11, which is characterized in that it is described according to the subcarrier spacing, And symbolic number included by the time slot of the corresponding synchronization signal burst of the subcarrier spacing, setting PBCH DMRS indicates same The bit number of the synchronization signal block index in signal burst is walked, and setting PBCH load indicates in synchronization signal burst set The bit number of synchronization signal burst index, comprising:
The bit number that the synchronization signal block index in PBCH DMRS instruction synchronization signal burst is arranged is 1 bit, and setting PBCH is negative The bit number that the synchronization signal burst index in a synchronization signal burst set is indicated in lotus is 1 bit.
13. time index indicating means as claimed in claim 10, which is characterized in that it is described according to the subcarrier spacing with And included symbolic number in a time slot, the number of time slots that synchronization signal corresponding with the subcarrier spacing happens suddenly is set, Include:
The subcarrier spacing is 30KHz, and when symbolic number included in a time slot is 7, setting and the subcarrier The number of time slots for being spaced corresponding synchronization signal burst is 2；The subcarrier spacing is 30KHz, and is wrapped in a time slot When the symbolic number included is 14, the number of time slots that synchronization signal burst corresponding with the subcarrier spacing is arranged is 1.
14. time index indicating means as claimed in claim 13, which is characterized in that it is described according to the subcarrier spacing, And symbolic number included by the time slot of the corresponding synchronization signal burst of the subcarrier spacing, setting PBCH DMRS indicates same The bit number of the synchronization signal block index in signal burst is walked, and setting PBCH load indicates in synchronization signal burst set The bit number of synchronization signal burst index, comprising:
The bit number that the synchronization signal block index in PBCH DMRS instruction synchronization signal burst is arranged is 1 bit, and setting PBCH is negative Lotus indicates that the bit number of the synchronization signal burst index in a synchronization signal burst set is 2 bits.
15. time index indicating means as described in claim 1, which is characterized in that it is described according to the subcarrier spacing, with And symbolic number included by the time slot of the corresponding synchronization signal burst of the subcarrier spacing, setting PBCH DMRS indicate to synchronize It is same in the bit number of synchronization signal block index in signal burst, and setting PBCH load instruction synchronization signal burst set Walk the bit number of signal burst index, comprising:
When the subcarrier spacing is 15KHz and 30KHz, setting PBCH load indicates same in synchronization signal burst set Walk the bit number of signal burst index；
When the subcarrier spacing is 120KHz and 240KHz, setting PBCH DMRS indicates same in synchronization signal burst The bit number of block index is walked, and setting PBCH load indicates the synchronization signal burst index in synchronization signal burst set Bit number.
16. time index indicating means as claimed in claim 15, which is characterized in that described when the subcarrier spacing is When 15KHz and 30KHz, setting PBCH load indicates the synchronization signal burst index in synchronization signal burst set, comprising:
When the subcarrier spacing is 15KHz, setting PBCH load indicates that the synchronization signal in synchronization signal burst set is prominent The bit number of hair index is 2 bits；
When the subcarrier spacing is 30KHz, setting PBCH load indicates that the synchronization signal in synchronization signal burst set is prominent The bit number of hair index is 3 bits.
17. time index indicating means as claimed in claim 15, which is characterized in that described when the subcarrier spacing is When 120KHz and 240KHz, setting PBCH DMRS indicates the bit number of the synchronization signal block index in synchronization signal burst, with And setting PBCH load indicates the bit number of the synchronization signal burst index in synchronization signal burst set, comprising:
When the subcarrier spacing is 120KHz, setting PBCH DMRS indicates the synchronization signal block rope in synchronization signal burst The bit number drawn is 1 bit, and setting PBCH load indicates the synchronization signal burst index in a synchronization signal burst set Bit number is 4 bits；
When the subcarrier spacing is 240KHz, setting PBCH DMRS indicates the synchronization signal block rope in synchronization signal burst The bit number drawn is 2 bits, and setting PBCH load indicates the synchronization signal burst index in a synchronization signal burst set Bit number is 4 bits.
18. such as the described in any item time index indicating means of claim 1~17, which is characterized in that further include: when set PBCH load in when being used to indicate the bit number of synchronization signal burst index in synchronization signal burst set less than 4, by institute The bit number for stating the synchronization signal burst index being used to indicate in synchronization signal burst set in PBCH load is filled with 4.
19. time index indicating means as claimed in claim 18, which is characterized in that using following any method, by institute The bit number for stating the synchronization signal burst index being used to indicate in synchronization signal burst set in PBCH load is filled with 4:
Using fill method is repeated, the synchronization signal being used to indicate in synchronization signal burst set in the PBCH load is happened suddenly The bit number of index is filled with 4；
Using zero-padding method, by the synchronization signal being used to indicate in the PBCH load in synchronization signal burst set burst rope The bit number drawn is filled with 4；
Using block code method, by the synchronization signal being used to indicate in the PBCH load in synchronization signal burst set burst rope The bit number drawn is filled with 4.
20. a kind of time index indicating means characterized by comprising
Receive the PBCH that base station issues；
According to frequency band is presently in, subcarrier spacing is determined；
According to the subcarrier spacing, from the PBCH, the synchronization signal in PBCH DMRS instruction synchronization signal burst is obtained The bit of the synchronization signal burst index in synchronization signal burst set is indicated in the bit number and PBCH load of block index Number.
21. time index indicating means as claimed in claim 20, which is characterized in that synchronized obtaining PBCH DMRS instruction The synchronization in synchronization signal burst set is indicated in the bit number and PBCH load of synchronization signal block index in signal burst After the bit number of signal burst index, further includes:
From the PBCH, using any method in detection or decoding, it is prominent to obtain the PBCH DMRS instruction synchronization signal The synchronization signal burst rope in synchronization signal burst set is indicated in synchronization signal block index information and PBCH load in hair Fuse breath；
It is indicated according to the PBCH DMRS in the synchronization signal block index information and the PBCH load in synchronization signal burst Indicate the synchronization signal burst index information in synchronization signal burst set, acquisition time index information.
22. a kind of base station characterized by comprising
Acquiring unit, for obtaining subcarrier spacing；
First setting unit, for it is prominent that synchronization signal corresponding with the subcarrier spacing to be arranged according to the subcarrier spacing The number of time slots of hair；
Second setting unit, for being happened suddenly according to the subcarrier spacing and the corresponding synchronization signal of the subcarrier spacing Time slot included by symbolic number, setting PBCH DMRS indicate synchronization signal burst in synchronization signal block index bit number, And setting PBCH load indicates the bit number of the synchronization signal burst index in synchronization signal burst set.
23. base station as claimed in claim 22, which is characterized in that first setting unit, for when between the subcarrier When being divided into 15KHz, the time slot that the corresponding synchronization signal burst of the subcarrier spacing is arranged is 1 time slot.
24. base station as claimed in claim 23, which is characterized in that second setting unit, for when between the subcarrier Every corresponding synchronization signal burst time slot included by symbolic number be 7 when, setting PBCH load indicate a synchronization signal The bit number of synchronization signal burst index in burst set is 2 bits；When the corresponding synchronization signal of the subcarrier spacing is prominent When symbolic number included by the time slot of hair is 14, setting PBCH DMRS indicates the synchronization signal block rope in synchronization signal burst The bit number drawn is 1 bit, and setting PBCH load indicates the synchronization signal burst index in a synchronization signal burst set Bit number is 1 bit.
25. base station as claimed in claim 22, which is characterized in that first setting unit, for when between the subcarrier When being divided into 30KHz, the time slot that the corresponding synchronization signal burst of the subcarrier spacing is arranged is 1 time slot.
26. base station as claimed in claim 25, which is characterized in that second setting unit, for when between the subcarrier Every corresponding synchronization signal burst time slot included by symbolic number be 7 when, setting PBCH load indicate a synchronization signal The bit number of synchronization signal burst index in burst set is 3 bits；When the corresponding synchronization signal of the subcarrier spacing is prominent When symbolic number included by the time slot of hair is 14, setting PBCH DMRS indicates the synchronization signal block rope in synchronization signal burst The bit number drawn is 1 bit, and setting PBCH load indicates the synchronization signal burst index in a synchronization signal burst set Bit number is 2 bits.
27. base station as claimed in claim 22, which is characterized in that first setting unit, for when between the subcarrier When being divided into 120KHz, the time slot that the corresponding synchronization signal burst of the subcarrier spacing is arranged is 1 time slot.
28. base station as claimed in claim 27, which is characterized in that when the subcarrier spacing is that subcarrier spacing is 120KHz, and when symbolic number included by the time slot of the subcarrier spacing corresponding synchronization signal burst is 14, described the Two setting units, the bit number of the synchronization signal block index for being arranged in PBCH DMRS instruction synchronization signal burst are 1 ratio Spy, setting PBCH load indicate that the bit number of the synchronization signal burst index in a synchronization signal burst set is 4 bits.
29. base station as claimed in claim 22, which is characterized in that first setting unit, for when between the subcarrier When being divided into 240KHz, the time slot that the corresponding synchronization signal burst of the subcarrier spacing is arranged is 2 time slots.
30. base station as claimed in claim 29, which is characterized in that when the subcarrier spacing is that subcarrier spacing is 240KHz, and when symbolic number included by the time slot of the subcarrier spacing corresponding synchronization signal burst is 14, described the Two setting units, the bit number of the synchronization signal block index for being arranged in PBCH DMRS instruction synchronization signal burst are 2 ratios Spy, setting PBCH load indicate that the bit number of the synchronization signal burst index in a synchronization signal burst set is 4 bits.
31. base station as claimed in claim 22, which is characterized in that first setting unit, for according to the subcarrier The time slot of synchronization signal burst corresponding with the subcarrier spacing is arranged in included symbolic number in interval and a time slot Number.
32. base station as claimed in claim 31, which is characterized in that first setting unit, for when between the subcarrier It is divided into 15KHz, and when symbolic number included in a time slot is 7, setting and the subcarrier spacing are corresponding synchronous to be believed Number burst number of time slots be 2；When the subcarrier spacing is 15KHz, and symbolic number included in a time slot is 14 When a, the number of time slots that setting is spaced corresponding synchronization signal burst with the sub- load is 1.
33. base station as claimed in claim 32, which is characterized in that second setting unit refers to for PBCH DMRS to be arranged The bit number for showing the synchronization signal block index in synchronization signal burst is 1 bit, and instruction one synchronous letter in PBCH load is arranged The bit number of synchronization signal burst index in number burst set is 1 bit.
34. base station as claimed in claim 31, which is characterized in that first setting unit, for when between the subcarrier It is divided into 30KHz, and when symbolic number included in a time slot is 7, setting and the subcarrier spacing are corresponding synchronous to be believed Number burst number of time slots be 2；The subcarrier spacing is 30KHz, and symbolic number included in a time slot is 14 When, the number of time slots that synchronization signal burst corresponding with the subcarrier spacing is arranged is 1.
35. base station as claimed in claim 34, which is characterized in that second setting unit refers to for PBCH DMRS to be arranged The bit number for showing the synchronization signal block index in synchronization signal burst is 1 bit, and setting PBCH load indicates a synchronization signal The bit number of synchronization signal burst index in burst set is 2 bits.
36. base station as claimed in claim 22, which is characterized in that second setting unit, for when between the subcarrier When being divided into 15KHz and 30KHz, setting PBCH load indicates the ratio of the synchronization signal burst index in synchronization signal burst set Special number；When the subcarrier spacing is 120KHz and 240KHz, setting PBCH DMRS indicates same in synchronization signal burst The bit number of block index is walked, and setting PBCH load indicates the synchronization signal burst index in synchronization signal burst set Bit number.
37. base station as claimed in claim 36, which is characterized in that second setting unit, for when between the subcarrier When being divided into 15KHz, setting PBCH load indicates that the bit number of the synchronization signal burst index in synchronization signal burst set is 2 ratios It is special；When the subcarrier spacing is 30KHz, setting PBCH load indicates the synchronization signal burst in synchronization signal burst set The bit number of index is 3 bits.
38. base station as claimed in claim 36, which is characterized in that second setting unit, for when between the subcarrier When being divided into 120KHz, setting PBCH DMRS indicates that the bit number of the synchronization signal block index in synchronization signal burst is 1 bit, PBCH load is set and indicates that the bit number of the synchronization signal burst index in a synchronization signal burst set is 4 bits；Work as institute State subcarrier spacing be 240KHz when, setting PBCH DMRS indicate synchronization signal burst in synchronization signal block index bit Number is 2 bits, and setting PBCH load indicates that the bit number of the synchronization signal burst index in a synchronization signal burst set is 4 Bit.
39. such as the described in any item base stations of claim 22~38, which is characterized in that further include: fills unit, for when set It, will when being used to indicate the bit number of the synchronization signal burst index in synchronization signal burst set in the PBCH load set less than 4 The bit number for the synchronization signal burst index being used to indicate in synchronization signal burst set in the PBCH load is filled with 4.
40. base station as claimed in claim 39, which is characterized in that the fills unit, for using following any method, The bit number for the synchronization signal burst index being used to indicate in synchronization signal burst set in the PBCH load is filled with 4: Using repetition fill method, the synchronization signal burst index that will be used to indicate in the PBCH load in synchronization signal burst set Bit number be filled with 4；It is same in synchronization signal burst set by being used to indicate in the PBCH load using zero-padding method The bit number of step signal burst index is filled with 4；Using block code method, synchronization signal will be used to indicate in the PBCH load The bit number of synchronization signal burst index in burst set is filled with 4.
41. a kind of user terminal characterized by comprising
Receiving unit, the PBCH issued for receiving base station；
Determination unit, for determining subcarrier spacing according to frequency band is presently in；
Bit number acquiring unit, for from the PBCH, obtaining the synchronous letter of PBCHDMRS instruction according to the subcarrier spacing The synchronous letter in synchronization signal burst set is indicated in the bit number and PBCH load of synchronization signal block index in number burst The bit number of number burst index.
42. user terminal as claimed in claim 41, which is characterized in that further include:
Time index information acquisition unit, for using at least one of detection or decoding method, obtaining from the PBCH Synchronization signal is indicated in synchronization signal block index information and PBCH load in the PBCH DMRS instruction synchronization signal burst Synchronization signal burst index information in burst set；The synchronous letter in synchronization signal burst is indicated according to the PBCH DMRS The synchronization signal burst index information in synchronization signal burst set is indicated in number block index information and the PBCH load, is obtained Take time index information.
43. a kind of computer readable storage medium, is stored thereon with computer instruction, which is characterized in that the computer instruction Perform claim requires the step of 1~19 described in any item time index indicating means when operation.
44. a kind of computer readable storage medium, is stored thereon with computer instruction, which is characterized in that the computer instruction Perform claim requires the step of 20~21 described in any item time index indicating means when operation.
45. a kind of electronic equipment, including memory and processor, it is stored with and can runs on the processor on the memory Computer instruction, which is characterized in that perform claim requires any one of 1~19 when the processor runs the computer instruction The step of described time index indicating means.
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