CN108112020A - A kind of transmission method, equipment and the system of synchronous access signal group - Google Patents

A kind of transmission method, equipment and the system of synchronous access signal group Download PDF

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Publication number
CN108112020A
CN108112020A CN201611055853.0A CN201611055853A CN108112020A CN 108112020 A CN108112020 A CN 108112020A CN 201611055853 A CN201611055853 A CN 201611055853A CN 108112020 A CN108112020 A CN 108112020A
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sequence number
band
frequency domain
signal group
access signal
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CN201611055853.0A
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CN108112020B (en
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李建军
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Priority to CN201611055853.0A priority Critical patent/CN108112020B/en
Priority to PCT/CN2017/095443 priority patent/WO2018095068A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the present invention provides a kind of transmission method, equipment and the system of synchronous access signal group, and this method includes：Generation synchronous access signal group corresponding with multiple frequency domain resources, the synchronous access signal group include primary synchronization signal PSS, subsynchronous signal SSS and Physical Broadcast Channel PBCH signals, and the PBCH signals include Master Information Block MIB；Using different wave beams, synchronous access signal group corresponding with the frequency domain resource is sent in different frequency domain resources respectively.The embodiment of the present invention can reduce the signal delay of synchronous access signal group, shorten the time that user terminal is initially accessed by the way that different wave beams is used to send synchronous access signal group in different frequency domain resources.

Description

A kind of transmission method, equipment and the system of synchronous access signal group
Technical field
The present invention relates to field of communication technology more particularly to a kind of transmission method of synchronous access signal group, equipment and it is System.
Background technology
Millimeter wave band (6-100GHz) is concerned due to its frequency spectrum resource enriches the advantages of wide with conveyor at present, Have become future communication systems (such as：5G) the indispensable technology of standard.However, the prominent shortcoming of one of millimeter-wave technology is road Footpath loss is very big, moreover, as frequency is higher, path loss is bigger, and the narrow beam of millimeter wave band is so resulted in cover Cover area very little.
In existing communication system, base station by identical initial access signal in different times using different wave beams into Row repeats to send, and the different region of different wave covers so as to fulfill broadcast capability, although expanding coverage, is prolonged The time of signal transmission is grown, so as to extend the time of user terminal initial access.
The content of the invention
The embodiment of the present invention provides a kind of transmission method, equipment and the system of synchronous access signal group, to solve user's end The problem of holding the time being initially accessed longer.
In a first aspect, the embodiment of the present invention provides a kind of transmission method of synchronous access signal group, including：
Synchronous access signal group corresponding with multiple frequency domain resources is generated, the synchronous access signal group is synchronously believed including main Number (PSS, Primary Synchronization Signal), subsynchronous signal (SSS, SecondarySynchronization Signal) and Physical Broadcast Channel (PBCH, Physical Broadcast Channel) signal, the PBCH signals include Master Information Block (MIB, Master Information Block)；
Using different wave beams, synchronous access corresponding with the frequency domain resource is sent in different frequency domain resources respectively and is believed Number group.
Second aspect, the embodiment of the present invention provide a kind of transmission method of synchronous access signal group, including：
PSS is searched in multiple frequency domain resources；
After PSS is searched, SSS and PBCH signals are searched in the corresponding frequency domain resources of the PSS, the PBCH is believed Number demodulation, obtain MIB.
The third aspect, the embodiment of the present invention provide a kind of network side equipment, including：
Generation module, for generating synchronous access signal group corresponding with multiple frequency domain resources, the synchronous access signal Group includes PSS, SSS and PBCH signal, and the PBCH signals include Master Information Block MIB；
Sending module for using different wave beams, is sent and the frequency domain resource pair in different frequency domain resources respectively The synchronous access signal group answered.
Fourth aspect, the embodiment of the present invention provide a kind of user terminal, including：
First search module, for searching for PSS in multiple frequency domain resources；
Second search module, for after PSS is searched, SSS and PBCH to be searched in the corresponding frequency domain resources of the PSS Signal demodulates the PBCH signals, obtains MIB.
5th aspect, the embodiment of the present invention provides a kind of Transmission system of synchronous access signal group, including the network side Equipment and the user terminal.
In the embodiment of the present invention, generation and multiple frequency domain resources it is corresponding it is synchronous access signal group, using different wave beams, Synchronous access signal group corresponding with the frequency domain resource is sent in different frequency domain resources respectively, it compared with prior art, can Expand the coverage of synchronous access signal group, and reduce signal delay.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, For those of ordinary skill in the art, without having to pay creative labor, can also be obtained according to these attached drawings Obtain other attached drawings.
Fig. 1 is a kind of applicable structure chart of the Transmission system of synchronous access signal group of the embodiment of the present invention；
Fig. 2 is a kind of flow chart of the transmission method for synchronous access signal group that first embodiment of the invention provides；
Fig. 3 is a kind of flow chart of the transmission method for synchronous access signal group that second embodiment of the invention provides；
Fig. 4 is the schematic diagram that the synchronous access signal group that second embodiment of the invention provides is sent；
Fig. 5 is the flow chart for the another synchronous access signal group sending method that second embodiment of the invention provides；
Fig. 6 is a kind of flow chart of the transmission method for synchronous access signal group that third embodiment of the invention provides；
Fig. 7 is the structure chart for the network side equipment that fourth embodiment of the invention provides；
Fig. 8 is one of structure chart of user terminal that fifth embodiment of the invention provides；
Fig. 9 is the two of the structure chart for the user terminal that fifth embodiment of the invention provides；
Figure 10 is the three of the structure chart for the user terminal that fifth embodiment of the invention provides；
Figure 11 is the structure chart for the network side equipment that sixth embodiment of the invention provides；
Figure 12 is the structure chart for the user terminal that seventh embodiment of the invention provides.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without creative efforts Example, belongs to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is a kind of applicable structure of the Transmission system of synchronous access signal group of the embodiment of the present invention Figure, as shown in Figure 1, including user terminal 11 and network side equipment 12, wherein, user terminal 11 can be UE (User Equipment), such as：Can be mobile phone, tablet computer (Tablet Personal Computer), laptop computer (Laptop Computer), personal digital assistant (personal digital assistant, abbreviation PDA), mobile Internet access dress The terminal side equipments such as (Mobile Internet Device, MID) or wearable device (Wearable Device) are put, are needed It is noted that the concrete type of user terminal 11 is not limited in embodiments of the present invention.User terminal 11 can be with network Side apparatus 12 establishes communication, wherein, it is logical that the network in attached drawing can represent that user terminal 11 is wirelessly established with network side equipment 12 Letter, network side equipment 12 can be transmission receiving point (TRP, Transmission Reception Point) or can be Base station, base station can be macro stations, such as LTE eNB, 5G NR NB.Or network side equipment 12 can be access point (AP, access point)。
It should be noted that the concrete type of network side equipment 12, user terminal are not limited in embodiments of the present invention 11 and the concrete function of network side equipment 12 will be specifically described by following multiple embodiments.
First embodiment
Referring to Fig. 2, Fig. 2 is a kind of flow chart of synchronous access signal group sending method provided in an embodiment of the present invention, such as Shown in Fig. 2, comprise the following steps：
Step 201, generation synchronous access signal group corresponding with multiple frequency domain resources, the synchronous access signal group include PSS, SSS and PBCH signal, the PBCH signals include MIB.
In the embodiment of the present invention, step 201 can be that each frequency domain resource generates a corresponding synchronous access signal group, And the content of different access signal groups is different, such as：MIB in difference access signal group is different.Synchronous access signal group can be with It is defined as user terminal and the required most basic one group signal provided by network side equipment during web search is provided.
Above-mentioned frequency domain resource can be frequency sub-band, such as：Resource block group, such as the resource in millimeter wave band or high band Block group；Or above-mentioned frequency domain resource can be subcarrier.
Step 202, using different wave beams, sent respectively in different frequency domain resources it is corresponding with the frequency domain resource together Step access signal group.
In step 202, using different wave beams, sent respectively in different frequency domain resources corresponding with the frequency domain resource Synchronous access signal group can send synchronous access signal group using different wave beams in different frequency domain resources, it is and every The corresponding synchronous access signal group of the frequency domain resource is only sent in a frequency domain resource.It is respectively 1,2,3,4 and 5 frequency including sequence number Domain resource, step 201 generates the access synchronizing signal group that sequence number is respectively 1,2,3,4 and 5, and network side equipment includes sequence number The wave beam of respectively 1,2,3,4 and 5, so as to which step 202 can send the synchronous letter of access using wave beam 1 on carrier frequency resource 1 Number group 1 sends access synchronizing signal group 2 using wave beam 2 in frequency domain resource 2, does not list one by one herein.
It can be realized by above-mentioned steps and send access synchronizing signal using different wave beams in different frequency domain resources Group since the coverage or coverage direction of different beams are different, expands the covering of cell so as to fulfill beam scanning, with Achieve the effect that the coverage for improving cell when sending access synchronizing signal group.
It should be noted that the wave beam used in the embodiment of the present invention can be the narrow beam of millimeter wave band.In addition, this It can be applied to extensive multiple-input and multiple-output (MIMO, Multiple-Input Multiple-Out- in inventive embodiments Put) system can also be applied to global system for mobile communications (GSM, Global System for Mobile Communication) millimeter wave band application scene and CDMA (CDMA, Code can also be applied to Division Multiple Access) scene applied in millimeter wave band of technology.
The above method can be applied to the network side equipment in network structure shown in FIG. 1.
In the embodiment of the present invention, generation synchronous access signal group corresponding with multiple frequency domain resources, the synchronous access letter Number group includes PSS, SSS and PBCH signal, and the PBCH signals include MIB；Using different wave beams, respectively in different frequency domains Synchronous access signal group corresponding with the frequency domain resource is sent in resource.So sent out by different wave beams in multiple frequency domain resources Synchronous access signal group is sent, sends synchronous access signal group, energy of the embodiment of the present invention using a certain narrow beam compared with prior art Enough signal delays for reducing synchronous access signal group, shorten the time that user terminal is initially accessed.
Second embodiment
Referring to Fig. 3, Fig. 3 is the flow chart of another synchronous access signal group sending method provided in an embodiment of the present invention, As shown in figure 3, comprise the following steps：
Step 301, generation synchronous access signal group corresponding with multiple frequency sub-band, the synchronous access signal group include master Synchronizing signal PSS, subsynchronous signal SSS and Physical Broadcast Channel PBCH signals, the PBCH signals include Master Information Block MIB, Wherein, each frequency sub-band includes multiple resource blocks.
In second embodiment, frequency domain resource is defined as frequency sub-band, such as：Son frequency in millimeter wave band or high band Section.And the frequency sub-band can include n resource block (RB, resource block), such as：2nd, the resources such as 4,6,7 or 8 Block is not construed as limiting this present embodiment, and preferential is 6 RB.In addition, in the embodiment of the present invention, it can be by whole system frequency range It is divided into different RB, each RB there are 12 subcarriers.In addition, in the embodiment of the present invention, frequency sub-band may also be referred to as resource block group.
In addition, in the embodiment of the present invention, each the MIB in synchronous access signal group can be corresponding with frequency sub-band, i.e., not Same frequency sub-band has different system informations.
Step 302, using different wave beams, send corresponding with the frequency sub-band synchronously connects on different frequency sub-band respectively Enter signal group.
In step 302, the synchronous access signal of the frequency sub-band is sent on different frequency sub-band using different wave beams, so as to It can realize the coverage for improving cell.
Optionally, it is described using different wave beams, it is sent respectively on different frequency sub-band corresponding with the frequency sub-band same Step access signal group, including：
Using the wave beam of different directions, synchronous access corresponding with the frequency sub-band is sent on different frequency sub-band respectively and is believed Number group.
In the embodiment, it can realize that network side equipment on different frequency sub-band, is sent out with the wave beam of different directions Send synchronous access signal group.And in same frequency sub-band, send synchronization with the wave beam or same wave beam in same direction Access signal group.Thus as shown in figure 4, realizing beam scanning using different frequency sub-band, wherein, black wave beam in Fig. 4 Represent the wave beam that each frequency sub-band uses.
It should be noted that it in the first embodiment, using different wave beams, is sent respectively in different frequency domain resources The step of synchronous access signal group corresponding with the frequency domain resource, can also include：Using the wave beam of different directions, respectively not Synchronous access signal group corresponding with the frequency domain resource is sent in same frequency domain resource.Wherein, illustrate and may refer to second Related description in embodiment, does not repeat herein, and can reach identical advantageous effect.
In addition, in the embodiment of the present invention, each frequency sub-band transmission access synchronizing signal group can send respective same simultaneously Step access signal group.Reduction time delay effect can so be reached.In addition, the order for sending synchronous access signal group can be according to SSS, PSS and PBCH signal are sent, such as：As shown in Figure 4.In addition, white portion in Fig. 4 either control channel or Other data channels.
Optionally, the MIB includes frequency domain position information, and the frequency domain position information is same where with the transmission MIB The frequency sub-band of step access signal group is corresponding.
In the embodiment, the frequency domain position by each synchronous access signal groups of each MIB can be realized.
Optionally, the frequency domain position information, including：
Sequence number is minimum in the frequency sub-band or the sequence number of highest resource block；
Alternatively, in the frequency sub-band sequence number resource block placed in the middle sequence number；
Alternatively, the sequence number difference of the minimum resource block of sequence number and reference resources block in the frequency sub-band；
Alternatively, the sequence number difference of the highest resource block of sequence number and reference resources block in the frequency sub-band；
Alternatively, the sequence number difference of sequence number resource block placed in the middle and reference resources block in the frequency sub-band.
In the embodiment, the frequency that above-mentioned frequency domain position information is assured that corresponding frequency sub-band is received in user terminal Domain position.
Optionally, reference resources block includes：
The minimum resource block of sequence number in system frequency band, the highest resource block of sequence number or positioned at system frequency band in system frequency band Intermediate resource block.
In the embodiment, the frequency domain position of frequency sub-band is indicated by the sequence number for then passing through resource block, so as to reduce Signaling consumption.
Optionally, in this embodiment, above-mentioned MIB can also include at least one of following：
Downlink bandwidth information, physical mixing retransmission indicating chanel (PHICH, Physical Hybrid ARQ Indicator Channel) configuration information and System Frame Number information.
It should be noted that in the embodiment, above-mentioned three can be included by referring to the MIB of each synchronous access signal group At least one of in a content, only because the synchronous access signal group of difference corresponds to different frequency sub-band, so as to different synchronous accesses The MIB contents of signal group are different.
Wherein, downlink bandwidth information is used to indicate the downlink bandwidth of the corresponding resource block of synchronization access signal group, PHICH Configuration information is used to indicate the PHICH configurations of the corresponding resource block of synchronization access signal group, and System Frame Number information is used to indicate This synchronously accesses the System Frame Number of the corresponding resource block of signal group, and frequency domain position information is used to indicate synchronization access signal group pair The frequency domain position for the resource block answered.It should be noted that since the different resource block group of the embodiment of the present invention has different synchronizations Signal group is accessed, so as to which each synchronous system information accessed in signal group is used to indicate the relevant information of corresponding resource block. Such as：System information in each synchronous access signal group can be as shown in table 1, and simply the content of each system information is different, Because different system information can correspond to different resource block groups：
Table 1
Information field (Information field) Bit number (Number of bits)
Downlink bandwidth information (dl-Bandwidth) 3 bits (bits)
PHICH configures (phich-Config) 3bits
System Frame Number 8bits
Initial accss RB Position 4~6bits
Optionally, step 302 includes：
Using different wave beams, according to different sending times, sent and the frequency domain in different frequency domain resources respectively The corresponding synchronous access signal group of resource.
In the embodiment, it can realize and send the synchronous access letter of each frequency sub-band in different time on different frequency sub-band Number, peak value average power ratio caused by so as to avoid repeating to send in same OFDM symbol in synchronously access signal (PAPR, Peak to Average Power Ratio) problem.According to different sending times can be different in addition, above-mentioned The initial time that frequency sub-band sends synchronous access signal group is different, such as：As shown in figure 5, each resource block group according to SSS, PSS and The order of PBCH signals sends synchronous access signal group, but the time that SSS is sent is all different.
Optionally, in the embodiment, the MIB includes temporal information, and the temporal information is with sending the MIB places Synchronous access signal group sending time it is corresponding.
The temporal information included by each synchronous MIB for accessing signal group, it may be determined that the hair of each synchronous access signal group The time is sent, accurate time synchronization is realized so as to which user terminal can be based on the temporal information.
Optionally, the temporal information includes：
Sequence number of the OFDM symbol in subframe where the PSS that the synchronous access signal group includes；
Alternatively,
Sequence number of the OFDM symbol in subframe where the SSS that the synchronous access signal group includes；
Alternatively,
Sequence number of first OFDM symbol of the PBCH signals that the synchronous access signal group includes in subframe.
Similarly, in the embodiment, above-mentioned temporal information is included in the MIB of each synchronous access signal group, simply not The temporal information of same synchronous access signal group is different, such as：The frame number of the OFDM symbol of PSS is different, the OFDM symbol of SSS Frame number it is different, and the frame number of first OFDM symbol of PBCH signals is also different.
It should be noted that sequence number of the OFDM symbol where above-mentioned PSS in subframe can be the OFDM where PSS Sequence number of the symbol in the subframe belonging to the PSS；Sequence number of the OFDM symbol in subframe where above-mentioned SSS can be SSS institutes Sequence number of the OFDM symbol in the subframe belonging to the SSS；First of the PBCH signals of this above-mentioned synchronization access signal group Sequence number of the OFDM symbol in subframe can be that first OFDM symbol of the synchronous PBCH signals for accessing signal group is in the PBCH The sequence number in subframe belonging to signal.
In the embodiment, the exact time synchronization of terminal can be realized by above-mentioned temporal information.Such as：User terminal It can determine the bandwidth of entire frequency range first according to downlink bandwidth information, then using frequency domain position information, determine synchronous access Position of the signal group in entire frequency range, so as to know the specifying information of entire frequency range.And in terms of time synchronization, user terminal First according to System Frame Number information, frame synchronization is realized, then utilize the transmission time information of synchronous access signal group, it may be determined that Sequence number of the OFDM symbol of synchronous access signal group number in subframe, so as to fulfill exact time synchronization.
In addition, in the embodiment, above-mentioned MIB can also include at least one of following：
Downlink bandwidth information, physical mixing retransmission indicating chanel configuration information, System Frame Number information and frequency domain position information.
Wherein, on downlink bandwidth information, physical mixing retransmission indicating chanel configuration information, System Frame Number information, frequency domain The explanation of location information may refer to an embodiment above, not repeat herein.Such as：In the embodiment, above system Information can be as shown in table 2：
Table 2
Information feild Number of bits
dl-Bandwidth 3bits
phich-Config 3bits
System Frame Number 8bits
Initial accss RB group Position 4~6bits
Temporal information (Initial accss OFDM symbol index) 4bits
In the embodiment of the present invention, generation synchronous access signal group corresponding with multiple frequency sub-band, the synchronous access signal Group includes PSS, SSS and PBCH signal, and the PBCH signals include MIB, wherein, each frequency sub-band includes multiple resource blocks；Make With different wave beams, synchronous access signal group corresponding with the frequency sub-band is sent on different frequency sub-band respectively.By multiple Frequency sub-band, and synchronous access signal group is sent using different wave beams on different frequency sub-band, it is synchronously connect so as to reduce Enter the signal delay of signal group, shorten the time that user terminal is initially accessed.
Further, using different wave beams, according to different sending times, sent respectively in different frequency domain resources Synchronous access signal group corresponding with the frequency domain resource, can avoid repeating to send out in same OFDM symbol by identical information Send caused high PAPR problems.
In addition, by carrying frequency domain position information in MIB, user terminal can be made to obtain the specific letter of entire frequency range Breath；By carrying frequency domain position information in MIB, user terminal can be made accurately to realize time synchronization.
3rd embodiment
Referring to Fig. 6, Fig. 6 is the flow of the transmission method of another synchronous access signal group provided in an embodiment of the present invention Figure, as shown in fig. 6, comprising the following steps：
Step 601 searches for PSS in multiple frequency domain resources.
It can be user terminal in step 601 when being initially accessed, PSS is searched in multiple frequency domain resources, once PSS is searched Suo Chenggong, the wave beam searched in successful frequency domain resource are in alignment with oneself.
Wherein, the explanation on frequency domain resource and PSS may refer to the related description of first embodiment and second embodiment, It does not repeat herein, and the PSS can be the synchronous access letter that network side equipment is sent in first embodiment with second embodiment The PSS that number group includes.
Step 602, after PSS is searched, in the corresponding frequency domain resources of the PSS search for SSS and PBCH signals, to institute The demodulation of PBCH signals is stated, obtains MIB.
User terminal is after above-mentioned PSS is searched, it is possible to determine corresponding frequency domain resource, belong to same synchronization with search SSS the and PBCH signals in signal group are accessed, and then obtain the MIB that above-mentioned PBCH signals include.User terminal is on getting After stating MIB, it is possible to some corresponding operations are carried out, such as：Determine to receive the synchronously corresponding frequency domain resource of access signal group Frequency domain position either carry out frame synchronization or time synchronization etc..
Optionally, the frequency domain resource is frequency sub-band, and each frequency sub-band includes multiple resource blocks.
Wherein, the related description on frequency sub-band may refer to first embodiment and second embodiment, not repeat herein, And identical advantageous effect can be reached.
Optionally, the MIB includes frequency domain position information, and the frequency domain position information is same where with the transmission MIB The frequency sub-band of step access signal group is corresponding；
It is described that the PBCH signals are demodulated, after obtaining MIB, further include：
Frequency domain position information is obtained from the MIB, is determined according to the frequency domain position information where sending the MIB The frequency sub-band of synchronous access signal group.
In the embodiment, user terminal is assured that corresponding synchronization receiving frequency domain position information described above Access the frequency domain position of signal group.Further, if further including System Frame Number information in above-mentioned MIB, user terminal can be with Frame synchronization is carried out according to above system frame number information, and then is conducive to accessing user terminal to network.
Wherein, the explanation on frequency domain position information may refer to the respective description in second embodiment, not go to live in the household of one's in-laws on getting married herein It states, and identical advantageous effect can be reached.
Optionally, the frequency domain position information, including：
Sequence number is minimum in the frequency sub-band or the sequence number of highest resource block；
Alternatively, in the frequency sub-band sequence number resource block placed in the middle sequence number；
Alternatively, the sequence number difference of the minimum resource block of sequence number and reference resources block in the frequency sub-band；
Alternatively, the sequence number difference of the highest resource block of sequence number and reference resources block in the frequency sub-band；
Alternatively, the sequence number difference of sequence number resource block placed in the middle and reference resources block in the frequency sub-band.
Wherein, the explanation on above-mentioned frequency domain position information may refer to the respective description in second embodiment, herein not It repeats, and identical advantageous effect can be reached.
Optionally, the reference resources block includes：
The minimum resource block of sequence number in system frequency band, the highest resource block of sequence number or positioned at system frequency band in system frequency band Intermediate resource block.
Wherein, the explanation on above-mentioned reference resources block may refer to the respective description in second embodiment, not make herein It repeats, and identical advantageous effect can be reached.
Optionally, the MIB includes temporal information, and the temporal information is believed with the synchronous access where sending the MIB The sending time of number group is corresponding；
It is described that the PBCH signals are demodulated, after obtaining MIB, further include：
Temporal information is obtained from the MIB, frame synchronization is carried out according to the temporal information.
In the embodiment, network side equipment can be using different wave beams, according to different sending times, exist respectively Synchronous access signal group corresponding with the frequency domain resource is sent in different frequency domain resources.In addition, the explanation on temporal information The respective description of second embodiment is may refer to, is not repeated herein, and identical advantageous effect can be reached.
And in the embodiment, in user terminal after above-mentioned temporal information is received, it is possible to synchronously be connect according to described The transmission time information for entering signal group carries out time synchronization, to achieve the effect that exact time synchronization, and then is conducive to user's end It terminates into network.
Optionally, the temporal information includes：
Sequence number of the OFDM symbol in subframe where the PSS that the synchronous access signal group includes；
Alternatively,
Sequence number of the OFDM symbol in subframe where the SSS that the synchronous access signal group includes；
Alternatively,
Sequence number of first OFDM symbol of the PBCH signals that the synchronous access signal group includes in subframe.
Wherein, the explanation on temporal information here may refer to the respective description of second embodiment, not go to live in the household of one's in-laws on getting married herein It states, and identical advantageous effect can be reached.
In the embodiment of the present invention, PSS is searched in multiple frequency domain resources；It is corresponding in the PSS after PSS is searched SSS and PBCH signals are searched in frequency domain resource, the PBCH signals are demodulated, MIB is obtained, compared with prior art, reduces The complexity that user terminal is initially accessed shortens the time of user terminal initial access；In addition, by carrying frequency in MIB Location information domain can make user terminal obtain the specifying information of entire frequency range；By carrying frequency domain position information in MIB, User terminal can be made accurately to realize time synchronization.
Fourth embodiment
Referring to Fig. 7, Fig. 7 is the structure chart that the present invention implements the network side equipment provided, and first embodiment can be realized to the The details of the transmission method of synchronous access signal group in three embodiments, and achieve the effect that identical.As shown in fig. 7, network side Equipment 700 includes：Generation module 701 and sending module 702, wherein：
Generation module 701, for generating synchronous access signal group corresponding with multiple frequency domain resources, the synchronous access letter Number group includes PSS, SSS and PBCH signal, and the PBCH signals include Master Information Block MIB；
Sending module 702 for using different wave beams, is sent and the frequency domain resource in different frequency domain resources respectively Corresponding synchronous access signal group.
Optionally, sending module 702 be used for using different directions wave beam, respectively in different frequency domain resources send with The corresponding synchronous access signal group of the frequency domain resource.
Optionally, the frequency domain resource is frequency sub-band, and each frequency sub-band includes multiple resource blocks.
Optionally, in the embodiment, the MIB includes frequency domain position information, and the frequency domain position information is with sending institute The frequency sub-band that synchronization where stating MIB accesses signal group is corresponding.
Optionally, the frequency domain position information, including：
Sequence number is minimum in the frequency sub-band or the sequence number of highest resource block；
Alternatively, in the frequency sub-band sequence number resource block placed in the middle sequence number；
Alternatively, the sequence number difference of the minimum resource block of sequence number and reference resources block in the frequency sub-band；
Alternatively, the sequence number difference of the highest resource block of sequence number and reference resources block in the frequency sub-band；
Alternatively, the sequence number difference of sequence number resource block placed in the middle and reference resources block in the frequency sub-band.
Optionally, the reference resources block includes：
The minimum resource block of sequence number in system frequency band, the highest resource block of sequence number or positioned at system frequency band in system frequency band Intermediate resource block.
Optionally, sending module 702 is used to use different wave beams, according to different sending times, respectively different Synchronous access signal group corresponding with the frequency domain resource is sent in frequency domain resource.
Optionally, in the embodiment, the MIB includes temporal information, and the temporal information is with sending the MIB places Synchronous access signal group sending time it is corresponding.
Optionally, the temporal information includes：
Sequence number of the OFDM symbol in subframe where the PSS that the synchronous access signal group includes；
Alternatively,
Sequence number of the OFDM symbol in subframe where the SSS that the synchronous access signal group includes；
Alternatively,
Sequence number of first OFDM symbol of the PBCH signals that the synchronous access signal group includes in subframe.
In the network side equipment of the embodiment of the present invention, generation synchronous access signal group corresponding with multiple frequency sub-band is described Synchronous access signal group includes PSS, SSS and PBCH signal, and the PBCH signals include MIB, wherein, each frequency sub-band includes more A resource block；Using different wave beams, synchronous access signal corresponding with the frequency sub-band is sent on different frequency sub-band respectively Group.By multiple frequency sub-band, and synchronous access signal group is sent using different wave beams on different frequency sub-band, synchronization can be reduced The signal delay of signal group is accessed, shortens the time that user terminal is initially accessed.
Further, using different wave beams, according to different sending times, sent respectively in different frequency domain resources Synchronous access signal group corresponding with the frequency domain resource, can avoid repeating to send out in same OFDM symbol by identical information Send caused high PAPR problems.
In addition, by carrying frequency domain position information in MIB, user terminal can be made to obtain the specific letter of entire frequency range Breath；By carrying frequency domain position information in MIB, user terminal can be made accurately to realize time synchronization.
5th embodiment
Referring to Fig. 8, Fig. 8 is the structure chart that the present invention implements the user terminal provided, can be realized same in fourth embodiment The details of one step process, and achieve the effect that identical.As shown in figure 8, user terminal 800 includes：First search module 801 and second Search module 802, wherein：
First search module 801, for searching for PSS in multiple frequency domain resources；
Second search module 802, for after PSS is searched, searched in the corresponding frequency domain resources of the PSS SSS and PBCH signals demodulate the PBCH signals, obtain Master Information Block MIB.
Optionally, the frequency domain resource is frequency sub-band, and each frequency sub-band includes multiple resource blocks
Optionally, in the embodiment, the MIB includes frequency domain position information, and the frequency domain position information is with sending institute The frequency sub-band that synchronization where stating MIB accesses signal group is corresponding；
As shown in figure 9, the user terminal 800 further includes：
Determining module 803 for obtaining frequency domain position information from the MIB, is determined according to the frequency domain position information Send the synchronous frequency sub-band for accessing signal group where the MIB.
Optionally, the frequency domain position information, including：
Sequence number is minimum in the frequency sub-band or the sequence number of highest resource block；
Alternatively, in the frequency sub-band sequence number resource block placed in the middle sequence number；
Alternatively, the sequence number difference of the minimum resource block of sequence number and reference resources block in the frequency sub-band；
Alternatively, the sequence number difference of the highest resource block of sequence number and reference resources block in the frequency sub-band；
Alternatively, the sequence number difference of sequence number resource block placed in the middle and reference resources block in the frequency sub-band.
Optionally, the reference resources block includes：
The minimum resource block of sequence number in system frequency band, the highest resource block of sequence number or positioned at system frequency band in system frequency band Intermediate resource block.
Optionally, the MIB includes temporal information, and the temporal information is believed with the synchronous access where sending the MIB The sending time of number group is corresponding；
As shown in Figure 10, user terminal 800 further includes：
For obtaining temporal information from the MIB, frame synchronization is carried out according to the temporal information for synchronization module 804.
Optionally, the temporal information includes：
Sequence number of the OFDM symbol in subframe where the PSS that the synchronous access signal group includes；
Alternatively,
Sequence number of the OFDM symbol in subframe where the SSS that the synchronous access signal group includes；
Alternatively,
Sequence number of first OFDM symbol of the PBCH signals that the synchronous access signal group includes in subframe.
In the user terminal of the embodiment of the present invention, PSS is searched in multiple frequency domain resources；After PSS is searched, described SSS and PBCH signals are searched in the corresponding frequency domain resources of PSS, the PBCH signals are demodulated, MIB are obtained, with prior art phase Than reducing the complexity of user terminal initial access, shortening the time that user terminal is initially accessed；In addition, by MIB Middle carrying frequency domain position information, can make user terminal obtain the specifying information of entire frequency range；By carrying frequency domain position in MIB Confidence ceases, and user terminal can be made accurately to realize time synchronization.
Sixth embodiment
Referring to Figure 11, Figure 11 is the structure chart of the network side equipment of application of the embodiment of the present invention, can realize the first implementation The synchronization of example to 3rd embodiment accesses the details of the transmission method of signal group, and achievees the effect that identical.As shown in figure 11, should Network side equipment 1100 includes：Processor 1101, transceiver 1102, memory 1103, user interface 1104 and bus interface, In：
Processor 1101 for reading the program in memory 1103, performs following process：
Generation synchronous access signal group corresponding with multiple frequency domain resources, the synchronous access signal group include PSS, SSS With PBCH signals, the PBCH signals include Master Information Block MIB；
Using different wave beams, synchronous access corresponding with the frequency domain resource is sent in different frequency domain resources respectively and is believed Number group.
Wherein, transceiver 1102, for sending and receiving data under the control of processor 1101.
In fig. 11, bus architecture can include the bus and bridge of any number of interconnection, specifically by 1101 generation of processor The various circuits for the memory that the one or more processors and memory 1103 of table represent link together.Bus architecture may be used also Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like to be linked together, these are all It is known in the art, therefore, no longer it is described further herein.Bus interface provides interface.Transceiver 1102 can To be multiple element, i.e., including transmitter and receiver, provide the list for communicating over a transmission medium with various other devices Member.For different user equipmenies, user interface 1104, which can also be, external the interface for needing equipment is inscribed, and connection is set Standby including but not limited to keypad, display, loud speaker, microphone, control stick etc..
Processor 1101 is responsible for bus architecture and common processing, and memory 1103 can store processor 1101 and exist Used data when performing operation.
Optionally, it is described using different wave beams, it is sent respectively in different frequency domain resources corresponding with the frequency domain resource Synchronous access signal group, including：
Using the wave beam of different directions, transmission is corresponding with the frequency domain resource in different frequency domain resources respectively synchronously connects Enter signal group.
Optionally, the frequency domain resource is frequency sub-band, and each frequency sub-band includes multiple resource blocks.
The MIB includes frequency domain position information, and the frequency domain position information is believed with the synchronous access where sending the MIB The frequency sub-band of number group is corresponding.
Optionally, the frequency domain position information, including：
Sequence number is minimum in the frequency sub-band or the sequence number of highest resource block；
Alternatively, in the frequency sub-band sequence number resource block placed in the middle sequence number；
Alternatively, the sequence number difference of the minimum resource block of sequence number and reference resources block in the frequency sub-band；
Alternatively, the sequence number difference of the highest resource block of sequence number and reference resources block in the frequency sub-band；
Alternatively, the sequence number difference of sequence number resource block placed in the middle and reference resources block in the frequency sub-band.
Optionally, the reference resources block includes：
The minimum resource block of sequence number in system frequency band, the highest resource block of sequence number or positioned at system frequency band in system frequency band Intermediate resource block.
Optionally, it is described using different wave beams, it is sent respectively in different frequency domain resources corresponding with the frequency domain resource Synchronous access signal group, including：
Using different wave beams, according to different sending times, sent and the frequency domain in different frequency domain resources respectively The corresponding synchronous access signal group of resource.
Optionally, the MIB includes temporal information, and the temporal information is believed with the synchronous access where sending the MIB The sending time of number group is corresponding.
Optionally, the temporal information includes：
Sequence number of the OFDM symbol in subframe where the PSS that the synchronous access signal group includes；
Alternatively,
Sequence number of the OFDM symbol in subframe where the SSS that the synchronous access signal group includes；
Alternatively,
Sequence number of first OFDM symbol of the PBCH signals that the synchronous access signal group includes in subframe.
In the network side equipment of the embodiment of the present invention, generation synchronous access signal group corresponding with multiple frequency sub-band is described Synchronous access signal group includes PSS, SSS and PBCH signal, and the PBCH signals include MIB, wherein, each frequency sub-band includes more A resource block；Using different wave beams, synchronous access signal corresponding with the frequency sub-band is sent on different frequency sub-band respectively Group.By multiple frequency sub-band, and synchronous access signal group is sent using different wave beams on different frequency sub-band, synchronization can be reduced The signal delay of signal group is accessed, shortens the time that user terminal is initially accessed.
Further, using different wave beams, according to different sending times, sent respectively in different frequency domain resources Synchronous access signal group corresponding with the frequency domain resource, can avoid repeating to send out in same OFDM symbol by identical information Send caused high PAPR problems.
In addition, by carrying frequency domain position information in MIB, user terminal can be made to obtain the specific letter of entire frequency range Breath；By carrying frequency domain position information in MIB, user terminal can be made accurately to realize time synchronization.
7th embodiment
Referring to Figure 12, Figure 12 is the structure chart of the user terminal of application of the embodiment of the present invention, can realize first embodiment The details of system information block transmission method into second embodiment, and achieve the effect that identical.As shown in figure 12, user terminal 1200 include：At least one processor 1201, memory 1202, at least one network interface 1204 and user interface 1203.With Various components in family terminal 1200 are coupled by bus system 1205.It is understood that bus system 1205 is used to implement Connection communication between these components.Bus system 1205 further includes power bus, controlling bus in addition to including data/address bus And status signal bus in addition.But for the sake of clear explanation, various buses are all designated as bus system 1205 in fig. 12.
Wherein, user interface 1203 can include display, keyboard or pointing device (for example, mouse, trace ball (track ball), touch-sensitive plate or touch-screen etc..
It is appreciated that the memory 1202 in the embodiment of the present invention can be volatile memory or non-volatile memories Device may include both volatile and non-volatile memories.Wherein, nonvolatile memory can be read-only memory (Read-Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), erasable programmable are only Read memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, ) or flash memory EEPROM.Volatile memory can be random access memory (Random Access Memory, RAM), use Make External Cache.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static random-access Memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random-access Memory (Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate SDRAM, DDRSDRAM), it is enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronous Connect dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory (Direct Rambus RAM, DRRAM).The memory 1202 of system and method described herein be intended to including but not limited to this A little and any other suitable type memory.
In some embodiments, memory 1202 stores following element, executable modules or data structures or Their subset of person or their superset：Operating system 12021 and application program 12022.
Wherein, operating system 12021 comprising various system programs, such as ccf layer, core library layer, driving layer etc., are used for Realize various basic businesses and the hardware based task of processing.Application program 12022 includes various application programs, such as matchmaker Body player (Media Player), browser (Browser) etc., are used to implement various applied business.Realize that the present invention is implemented The program of example method may be embodied in application program 12022.
In embodiments of the present invention, by calling program or the instruction of the storage of memory 1202, specifically, can be application The program stored in program 12022 or instruction, processor 1201 are used for：PSS is searched in multiple frequency domain resources；When searching After PSS, SSS and PBCH signals are searched in the corresponding frequency domain resources of the PSS, the PBCH signals are demodulated, obtain MIB.
The method that the embodiments of the present invention disclose can be applied in processor 1201 or real by processor 1201 It is existing.Processor 1201 may be a kind of IC chip, have the processing capacity of signal.During realization, the above method Each step can be completed by the instruction of the integrated logic circuit of the hardware in processor 1201 or software form.Above-mentioned Processor 1201 can be general processor, digital signal processor (Digital Signal Processor, DSP), special Integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field Programmable GateArray, FPGA) either other programmable logic device, discrete gate or transistor logic, Discrete hardware components.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.It is general Processor can be microprocessor or the processor can also be any conventional processor etc..With reference to institute of the embodiment of the present invention The step of disclosed method, can be embodied directly in hardware decoding processor and perform completion or with the hardware in decoding processor And software module combination performs completion.Software module can be located at random access memory, and flash memory, read-only memory may be programmed read-only In the storage medium of this fields such as memory or electrically erasable programmable memory, register maturation.The storage medium is located at The step of memory 1202, processor 1201 reads the information in memory 1202, the above method is completed with reference to its hardware.
It is understood that embodiments described herein can use hardware, software, firmware, middleware, microcode or its It combines to realize.For hardware realization, processing unit can be realized in one or more application-specific integrated circuit (Application Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor, Controller, microcontroller, microprocessor, for perform other electronic units of herein described function or its combination in.
For software implementations, can be realized herein by performing the module (such as process, function etc.) of function described herein The technology.Software code is storable in memory and is performed by processor.Memory can in the processor or It is realized outside processor.
Optionally, the frequency domain resource is frequency sub-band, and each frequency sub-band includes multiple resource blocks.
Optionally, the MIB includes frequency domain position information, and the frequency domain position information is same where with the transmission MIB The frequency sub-band of step access signal group is corresponding；
Described that the PBCH signals are demodulated, after obtaining MIB, processor 1201 is additionally operable to：
Frequency domain position information is obtained from the MIB, is determined according to the frequency domain position information where sending the MIB The frequency sub-band of synchronous access signal group.
Optionally, the frequency domain position information, including：
Sequence number is minimum in the frequency sub-band or the sequence number of highest resource block；
Alternatively, in the frequency sub-band sequence number resource block placed in the middle sequence number；
Alternatively, the sequence number difference of the minimum resource block of sequence number and reference resources block in the frequency sub-band；
Alternatively, the sequence number difference of the highest resource block of sequence number and reference resources block in the frequency sub-band；
Alternatively, the sequence number difference of sequence number resource block placed in the middle and reference resources block in the frequency sub-band.
Optionally, the reference resources block includes：
The minimum resource block of sequence number in system frequency band, the highest resource block of sequence number or positioned at system frequency band in system frequency band Intermediate resource block.
Optionally, the MIB includes temporal information, and the temporal information is believed with the synchronous access where sending the MIB The sending time of number group is corresponding；
Described that the PBCH signals are demodulated, after obtaining MIB, processor 1201 is additionally operable to：
Temporal information is obtained from the MIB, frame synchronization is carried out according to the temporal information.
Optionally, the temporal information includes：
Sequence number of the OFDM symbol in subframe where the PSS that the synchronous access signal group includes；
Alternatively,
Sequence number of the OFDM symbol in subframe where the SSS that the synchronous access signal group includes；
Alternatively,
Sequence number of first OFDM symbol of the PBCH signals that the synchronous access signal group includes in subframe.
In the user terminal of the embodiment of the present invention, PSS is searched in multiple frequency domain resources；After PSS is searched, described SSS and PBCH signals are searched in the corresponding frequency domain resources of PSS, the PBCH signals are demodulated, MIB are obtained, with prior art phase Than reducing the complexity of user terminal initial access, shortening the time that user terminal is initially accessed；In addition, by MIB Middle carrying frequency domain position information, can make user terminal obtain the specifying information of entire frequency range；By carrying frequency domain position in MIB Confidence ceases, and user terminal can be made accurately to realize time synchronization.
Those of ordinary skill in the art may realize that each exemplary lists described with reference to the embodiments described herein Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is performed with hardware or software mode, specific application and design constraint depending on technical solution.Professional technician Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit may be referred to the corresponding process in preceding method embodiment, and details are not described herein.
In embodiment provided herein, it should be understood that disclosed apparatus and method can pass through others Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, is only A kind of division of logic function, can there is an other dividing mode in actual implementation, for example, multiple units or component can combine or Person is desirably integrated into another system or some features can be ignored or does not perform.Another, shown or discussed is mutual Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, device or unit It connects, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit The component shown may or may not be physical location, you can be located at a place or can also be distributed to multiple In network element.Some or all of unit therein can be selected to realize the embodiment of the present invention according to the actual needs Purpose.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also That unit is individually physically present, can also two or more units integrate in a unit.
If the function is realized in the form of SFU software functional unit and is independent production marketing or in use, can be with It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words The part contribute to the prior art or the part of the technical solution can be embodied in the form of software product, the meter Calculation machine software product is stored in a storage medium, is used including some instructions so that a computer equipment (can be People's computer, server or network equipment etc.) perform all or part of the steps of the method according to each embodiment of the present invention. And foregoing storage medium includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can to store program code Medium.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.

Claims (33)

1. a kind of transmission method of synchronous access signal group, which is characterized in that including：
Generation synchronous access signal group corresponding with multiple frequency domain resources, the synchronous access signal group include primary synchronization signal PSS, subsynchronous signal SSS and Physical Broadcast Channel PBCH signals, the PBCH signals include Master Information Block MIB；
Using different wave beams, synchronous access signal corresponding with the frequency domain resource is sent in different frequency domain resources respectively Group.
2. according to the method described in claim 1, it is characterized in that, described using different wave beams, respectively in different frequency domains Synchronous access signal group corresponding with the frequency domain resource is sent in resource, including：
Using the wave beam of different directions, synchronous access corresponding with the frequency domain resource is sent in different frequency domain resources respectively and is believed Number group.
3. according to the method described in claim 1, it is characterized in that, the frequency domain resource is frequency sub-band, each frequency sub-band includes Multiple resource blocks.
4. according to the method described in claim 3, it is characterized in that, the MIB includes frequency domain position information, the frequency domain position The frequency sub-band of synchronous access signal group of the information where with the transmission MIB is corresponding.
5. according to the method described in claim 4, it is characterized in that, the frequency domain position information, including：
Sequence number is minimum in the frequency sub-band or the sequence number of highest resource block；
Alternatively, in the frequency sub-band sequence number resource block placed in the middle sequence number；
Alternatively, the sequence number difference of the minimum resource block of sequence number and reference resources block in the frequency sub-band；
Alternatively, the sequence number difference of the highest resource block of sequence number and reference resources block in the frequency sub-band；
Alternatively, the sequence number difference of sequence number resource block placed in the middle and reference resources block in the frequency sub-band.
6. according to the method described in claim 5, it is characterized in that, the reference resources block includes：
The minimum resource block of sequence number in system frequency band, the highest resource block of sequence number or among system frequency band in system frequency band Resource block.
7. according to the method described in claim 3, it is characterized in that, described using different wave beams, respectively in different frequency domains Synchronous access signal group corresponding with the frequency domain resource is sent in resource, including：
Using different wave beams, according to different sending times, sent and the frequency domain resource in different frequency domain resources respectively Corresponding synchronous access signal group.
8. the method according to the description of claim 7 is characterized in that the MIB includes temporal information, the temporal information and hair The sending time that synchronization where sending the MIB accesses signal group is corresponding.
9. according to the method described in claim 8, it is characterized in that, the temporal information includes：
Sequence number of the OFDM symbol in subframe where the PSS that the synchronous access signal group includes；
Alternatively,
Sequence number of the OFDM symbol in subframe where the SSS that the synchronous access signal group includes；
Alternatively,
Sequence number of first OFDM symbol of the PBCH signals that the synchronous access signal group includes in subframe.
10. a kind of transmission method of synchronous access signal group, which is characterized in that including：
Primary synchronization signal PSS is searched in multiple frequency domain resources；
After PSS is searched, subsynchronous signal SSS and Physical Broadcast Channel are searched in the corresponding frequency domain resources of the PSS PBCH signals demodulate the PBCH signals, obtain Master Information Block MIB.
11. according to the method described in claim 10, it is characterized in that, the frequency domain resource be frequency sub-band, each frequency sub-band bag Include multiple resource blocks.
12. according to the method for claim 11, which is characterized in that the MIB includes frequency domain position information, the frequency domain position The frequency sub-band that confidence ceases the synchronous access signal group where with the transmission MIB is corresponding；
It is described that the PBCH signals are demodulated, after obtaining MIB, further include：
Frequency domain position information is obtained from the MIB, the synchronization where sending the MIB is determined according to the frequency domain position information Access the frequency sub-band of signal group.
13. according to the method for claim 12, which is characterized in that the frequency domain position information, including：
Sequence number is minimum in the frequency sub-band or the sequence number of highest resource block；
Alternatively, in the frequency sub-band sequence number resource block placed in the middle sequence number；
Alternatively, the sequence number difference of the minimum resource block of sequence number and reference resources block in the frequency sub-band；
Alternatively, the sequence number difference of the highest resource block of sequence number and reference resources block in the frequency sub-band；
Alternatively, the sequence number difference of sequence number resource block placed in the middle and reference resources block in the frequency sub-band.
14. according to the method for claim 13, which is characterized in that the reference resources block includes：
The minimum resource block of sequence number in system frequency band, the highest resource block of sequence number or among system frequency band in system frequency band Resource block.
15. according to the method for claim 11, which is characterized in that the MIB include temporal information, the temporal information with The sending time that synchronization where sending the MIB accesses signal group is corresponding；
It is described that the PBCH signals are demodulated, after obtaining MIB, further include：
Temporal information is obtained from the MIB, frame synchronization is carried out according to the temporal information.
16. according to the method for claim 15, which is characterized in that the temporal information includes：
Sequence number of the OFDM symbol in subframe where the PSS that the synchronous access signal group includes；
Alternatively,
Sequence number of the OFDM symbol in subframe where the SSS that the synchronous access signal group includes；
Alternatively,
Sequence number of first OFDM symbol of the PBCH signals that the synchronous access signal group includes in subframe.
17. a kind of network side equipment, which is characterized in that including：
Generation module, for generating synchronous access signal group corresponding with multiple frequency domain resources, the synchronous access signal group bag Primary synchronization signal PSS, subsynchronous signal SSS and Physical Broadcast Channel PBCH signals are included, the PBCH signals include Master Information Block MIB；
Sending module for using different wave beams, is sent corresponding with the frequency domain resource in different frequency domain resources respectively Synchronous access signal group.
18. network side equipment according to claim 17, which is characterized in that the sending module is used to use different directions Wave beam, respectively in different frequency domain resources send with the frequency domain resource it is corresponding it is synchronous access signal group.
19. network side equipment according to claim 18, which is characterized in that the frequency domain resource is frequency sub-band, per height Frequency range includes multiple resource blocks.
20. network side equipment according to claim 19, which is characterized in that the MIB includes frequency domain position information, described The frequency sub-band of synchronous access signal group of the frequency domain position information where with the transmission MIB is corresponding.
21. network side equipment according to claim 20, which is characterized in that the frequency domain position information, including：
Sequence number is minimum in the frequency sub-band or the sequence number of highest resource block；
Alternatively, in the frequency sub-band sequence number resource block placed in the middle sequence number；
Alternatively, the sequence number difference of the minimum resource block of sequence number and reference resources block in the frequency sub-band；
Alternatively, the sequence number difference of the highest resource block of sequence number and reference resources block in the frequency sub-band；
Alternatively, the sequence number difference of sequence number resource block placed in the middle and reference resources block in the frequency sub-band.
22. network side equipment according to claim 21, which is characterized in that the reference resources block includes：
The minimum resource block of sequence number in system frequency band, the highest resource block of sequence number or among system frequency band in system frequency band Resource block.
23. network side equipment according to claim 19, which is characterized in that the sending module is used to use different ripples Beam according to different sending time, synchronous access corresponding with the frequency domain resource is sent in different frequency domain resources and is believed respectively Number group.
24. network side equipment according to claim 23, which is characterized in that the MIB includes temporal information, the time The sending time of synchronous access signal group of the information where with the transmission MIB is corresponding.
25. network side equipment according to claim 24, which is characterized in that the temporal information includes：
Sequence number of the OFDM symbol in subframe where the PSS that the synchronous access signal group includes；
Alternatively,
Sequence number of the OFDM symbol in subframe where the SSS that the synchronous access signal group includes；
Alternatively,
Sequence number of first OFDM symbol of the PBCH signals that the synchronous access signal group includes in subframe.
26. a kind of user terminal, which is characterized in that including：
First search module, for searching for primary synchronization signal PSS in multiple frequency domain resources；
Second search module, for after PSS is searched, subsynchronous signal SSS to be searched in the corresponding frequency domain resources of the PSS With Physical Broadcast Channel PBCH signals, the PBCH signals are demodulated, obtain Master Information Block MIB.
27. user terminal according to claim 26, which is characterized in that the frequency domain resource is frequency sub-band, the frequency per height Section includes multiple resource blocks.
28. user terminal according to claim 27, which is characterized in that the MIB includes frequency domain position information, the frequency The frequency sub-band of synchronous access signal group of the location information domain where with the transmission MIB is corresponding；
The user terminal further includes：
Determining module, for obtaining frequency domain position information from the MIB, according to the frequency domain position information determines transmission The frequency sub-band of synchronous access signal group where MIB.
29. user terminal according to claim 28, which is characterized in that the frequency domain position information, including：
Sequence number is minimum in the frequency sub-band or the sequence number of highest resource block；
Alternatively, in the frequency sub-band sequence number resource block placed in the middle sequence number；
Alternatively, the sequence number difference of the minimum resource block of sequence number and reference resources block in the frequency sub-band；
Alternatively, the sequence number difference of the highest resource block of sequence number and reference resources block in the frequency sub-band；
Alternatively, the sequence number difference of sequence number resource block placed in the middle and reference resources block in the frequency sub-band.
30. user terminal according to claim 29, which is characterized in that the reference resources block includes：
The minimum resource block of sequence number in system frequency band, the highest resource block of sequence number or among system frequency band in system frequency band Resource block.
31. user terminal according to claim 27, which is characterized in that the MIB includes temporal information, the time letter The sending time for ceasing the synchronous access signal group where with the transmission MIB is corresponding；
The user terminal further includes：
For obtaining temporal information from the MIB, frame synchronization is carried out according to the temporal information for synchronization module.
32. user terminal according to claim 31, which is characterized in that the temporal information includes：
Sequence number of the OFDM symbol in subframe where the PSS that the synchronous access signal group includes；
Alternatively,
Sequence number of the OFDM symbol in subframe where the SSS that the synchronous access signal group includes；
Alternatively,
Sequence number of first OFDM symbol of the PBCH signals that the synchronous access signal group includes in subframe.
33. a kind of Transmission system of synchronous access signal group, which is characterized in that including such as any one of claim 17 to 25 institute State network side equipment and the user terminal as any one of claim 26 to 32.
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