CN108632178A - Sending method, method of reseptance, relevant device and the system of synchronous access signal group - Google Patents

Sending method, method of reseptance, relevant device and the system of synchronous access signal group Download PDF

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Publication number
CN108632178A
CN108632178A CN201710177631.4A CN201710177631A CN108632178A CN 108632178 A CN108632178 A CN 108632178A CN 201710177631 A CN201710177631 A CN 201710177631A CN 108632178 A CN108632178 A CN 108632178A
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time resource
frame
subframe
slot
pss
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CN108632178B (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 CN201710177631.4A priority Critical patent/CN108632178B/en
Priority to PCT/CN2018/078849 priority patent/WO2018171469A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements

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

Abstract

The present invention provides a kind of sending method, method of reseptance, relevant device and the system of synchronous access signal group, and this method includes：In first time resource and the second time resource, the PSS and the SSS are sent respectively；In third time resource, send the PBCH signals, wherein, the first time resource, second time resource and the third time resource belong to same frame, and the PBCH signals include the System Frame Number of the frame, it can avoid transmitting the serial number of synchronous access signal group in down channel, and then reduce the expense of down channel, improve the utilization ratio of system.

Description

Sending method, method of reseptance, relevant device 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 synchronous access sending method of signal group, method of reseptance, Relevant device and system.
Background technology
In a communications system, user terminal needs to detect primary synchronization signal (PSS, Primary when being initially accessed Synchronization Signal), subsynchronous signal (SSS, Secondary Synchronization Signal) come it is real Then the now initial time and Frequency Synchronization detects Physical Broadcast Channel (PBCH, Physical Broadcast Channel) Signal.
Currently, transmission scheme of the prior art using synchronous access signal set (SS burst), wherein one synchronizes and connects It includes multiple synchronous access signal groups (SS block) to enter signal set, a synchronous access signal group include PSS, SSS and PBCH signals, and need to include its serial number in synchronous access set in each synchronous access signal group, user terminal passes through The serial number realizes frame synchronization.
However, due to needing to transmit its serial number in synchronous access set in synchronous access in signal group, lead to downlink The expense of channel increases.
Invention content
The embodiment of the present invention provides a kind of sending method, method of reseptance, relevant device and the system of synchronous access signal group, To solve the problems, such as that the expense of down channel increases.
In a first aspect, an embodiment of the present invention provides a kind of sending method of synchronous access signal group, the synchronous access Signal group includes PSS, SSS and PBCH signal, the method includes：
In first time resource and the second time resource, the PSS and the SSS are sent respectively；
In third time resource, the PBCH signals are sent, wherein the first time resource, second time money Source and the third time resource belong to same frame, and the PBCH signals include the System Frame Number of the frame.
Second aspect, the embodiment of the present invention also provide a kind of method of reseptance of synchronous access signal group, the synchronous access Signal group includes PSS, SSS and PBCH signal, the method includes：
In first time resource, the PSS is searched for；
Channel estimation is carried out using the PSS, obtains channel estimation results；
Using the channel estimation results SSS is detected in the second time resource；
In third time resource, the PBCH signals are detected, wherein the first time resource, second time money Source and the third time resource belong to same frame；
The System Frame Number for the frame that the PBCH signals include is obtained, and frame synchronization is carried out using the System Frame Number.
The third aspect, the embodiment of the present invention also provide a kind of network side equipment, for the transmission of synchronous access signal group, institute It includes PSS, SSS and PBCH signal to state synchronous access signal group, and the network side equipment includes：
First sending module sends the PSS and described in first time resource and the second time resource respectively SSS；
Second sending module, in third time resource, sending the PBCH signals, wherein the first time money Source, second time resource and the third time resource belong to same frame, and the PBCH signals include the frame System Frame Number.
Fourth aspect, the embodiment of the present invention also provide a kind of user terminal, described for the reception of synchronous access signal group Synchronous access signal group includes PSS, SSS and PBCH signal, and the user terminal includes：
First search module, in first time resource, searching for the PSS；
Channel estimation module obtains channel estimation results for carrying out channel estimation using the PSS；
First detection module, for detecting the SSS in the second time resource using the channel estimation results；
Second detection module, in third time resource, detecting the PBCH signals, wherein the first time money Source, second time resource and the third time resource belong to same frame；
Synchronization module, the System Frame Number for obtaining the frame that the PBCH signals include, and use the system-frame Number carry out frame synchronization.
In the embodiment of the present invention, in first time resource and the second time resource, PSS and SSS is sent respectively；In third Between resource, send PBCH signals, wherein first time resource, the second time resource and third time resource belong to same frame, And PBCH signals include the System Frame Number of frame, can avoid the serial number that synchronous access signal group is transmitted in down channel, in turn The expense for reducing down channel, improves the utilization ratio of system.
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, drawings in the following description are only some embodiments of the invention, For those of ordinary skill in the art, without having to pay creative labor, it can also obtain 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 sending method of synchronous access signal group provided in an embodiment of the present invention；
Fig. 3 is the flow chart of the sending method of another synchronous access signal group provided in an embodiment of the present invention；
Fig. 4 is a kind of transmission schematic diagram of synchronous access signal group provided in an embodiment of the present invention；
Fig. 5 is the transmission schematic diagram of another synchronous access signal group provided in an embodiment of the present invention；
Fig. 6 is a kind of flow chart of the method for reseptance of synchronous access signal group provided in an embodiment of the present invention；
Fig. 7 is the flow chart of the method for reseptance of another synchronous access signal group provided in an embodiment of the present invention；
Fig. 8 is a kind of structure chart of network side equipment provided in an embodiment of the present invention；
Fig. 9 is the structure chart of another network side equipment provided in an embodiment of the present invention；
Figure 10 is a kind of structure chart of user terminal provided in an embodiment of the present invention；
Figure 11 is the structure chart of another user terminal provided in an embodiment of the present invention；
Figure 12 is the structure chart of another network side equipment provided in an embodiment of the present invention；
Figure 13 is the structure chart of another user terminal provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without creative efforts Example, shall fall within the protection scope of the present invention.
It is a kind of applicable structure of the Transmission system of synchronous access signal group of the embodiment of the present invention referring to Fig. 1, Fig. 1 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 set, are needed It is noted that not limiting the concrete type of user terminal 11 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 indicate 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 station, such as LTE eNB, 5G NR NB.Or network side equipment 12 can be access point (AP, access point)。
It should be noted that not limiting the concrete type of network side equipment 12, user terminal in embodiments of the present invention 11 and the concrete function of network side equipment 12 will be specifically described by following multiple embodiments.
It is a kind of flow chart of the sending method of synchronous access signal group provided in an embodiment of the present invention referring to Fig. 2, Fig. 2, Wherein, synchronization access signal group includes PSS, SSS and PBCH signal, and this method can be applied to network side equipment, such as Fig. 2 institutes Show, includes the following steps：
Step 201, in first time resource and the second time resource, send the PSS and the SSS respectively.
Wherein, step 201 can be that primary or multiple PSS are sent in above-mentioned first time resource, if sent more When secondary, it can be to use identical antenna port every time, and can be sent using antenna port.And can be upper It states and sends primary or multiple SSS on the second time resource, can be to use identical antenna end every time if send multiple Mouthful, and can be sent using an antenna port.In addition, sending the antenna that the antenna port that PSS is used is used with transmission SSS Port can be the same antenna port, can also be different antenna port.
In addition, above-mentioned second time resource can be with the above-mentioned continuous time resource of first time resource, but the present invention In embodiment, the time order and function relationship of first time resource and the second time resource is not limited, such as：First time resource can Being located at before the second time resource；Or first time resource can be located at behind the second time resource, certainly, The embodiment of the present invention is to this and is not construed as limiting.
Step 202, in third time resource, send the PBCH signals, wherein the first time resource, described Two time resources and the third time resource belong to same frame, and the PBCH signals include the System Frame Number of the frame (System Frame Number, referred to as：SFN).
Wherein, above-mentioned third time resource can be with the continuous time resource of first time resource, or can be with The continuous time resource of second time resource.And above-mentioned PBCH signals can use two or more antenna port It is sent.And above system frame number can be intended to indicate that the frame number of above-mentioned frame in a communications system, i.e. user terminal are logical Frame synchronization can be realized by crossing the System Frame Number.
It should be noted that the System Frame Number that PBCH signals include is complete System Frame Number, that is, data length is complete System Frame Number.For example, in LTE system, the length of System Frame Number is 10bit, the then length for the System Frame Number that PBCH signals include It is also 10bit.
In the embodiment of the present invention, the System Frame Number that can be sent through the above steps in PBCH signals, and above-mentioned synchronize connects Enter signal group to send in same frame, after such user terminal gets the System Frame Number in PBCH signals, so that it may with reality Existing frame synchronization.And serial number of the synchronous access signal group due to that need not transmit in synchronous access set, and then reduce downlink The expense of channel.
In the embodiment of the present invention, in first time resource and the second time resource, the PSS and the SSS are sent respectively； In third time resource, the PBCH signals are sent, wherein the first time resource, second time resource and described Third time resource belongs to same frame, and the PBCH signals include the System Frame Number of the frame, can avoid believing in downlink The serial number of synchronous access signal group is transmitted in road, and then reduces the expense of down channel, improves the utilization ratio of system.
It is the flow of the sending method of another synchronous access signal group provided in an embodiment of the present invention referring to Fig. 3, Fig. 3 Figure, wherein it includes PSS, SSS and PBCH signal that the synchronization, which accesses signal group, and this method can be applied to network side equipment, this reality Applying the main distinction in the embodiment in example as shown in figure 3 was increased on the basis of embodiment shown in Fig. 2 in the 4th time Resource and the 5th time resource, send the PSS and the SSS respectively；In the 6th time resource, the PBCH signals are sent Step, to improve the performance that user terminal receives synchronous access signal group.As shown in figure 3, including the following steps：
Step 301, in first time resource and the second time resource, send the PSS and the SSS respectively.
Wherein, step 301 can be that primary or multiple PSS are sent in above-mentioned first time resource, if sent more When secondary, it can be to use identical antenna port every time, and can be sent using antenna port.And can be upper It states and sends primary or multiple SSS on the second time resource, can be to use identical antenna end every time if send multiple Mouthful, and can be sent using an antenna port.
Step 302, in third time resource, send the PBCH signals, wherein the first time resource, described Two time resources and the third time resource belong to same frame, and the first time resource, second time resource Belong to the first subframe of the frame with the third time resource, and and the PBCH signals include the system-frame of the frame Number.
Wherein, above-mentioned third time resource can be with the continuous time resource of first time resource, or can be with The continuous time resource of second time resource.And above-mentioned PBCH signals can use two or more antenna port It is sent.
Optionally, the System Frame Number in the PBCH signals is complete System Frame Number.
In the embodiment, above-mentioned complete System Frame Number can frame described in complete representation in a communications system After serial number, i.e. user terminal receive the System Frame Number, frame synchronization need not can be realized by other any information, to Reduce the expense of down channel.Such as：Above system frame number can be the information of 10 bits, communicated with the above-mentioned frame of complete representation Frame number in system in 1024 frames.Certainly, in the embodiment of the present invention, above system frame number, which can also be, indicates that above-mentioned frame exists After user terminal receives the System Frame Number, frame synchronization is carried out in conjunction with the specific time period for serial number in specific time period.It needs to illustrate , in the embodiment, embodiment shown in Fig. 2 is can be applied to, and identical advantageous effect can be reached.
Optionally, the PBCH signals include host system message block (Master Information Block MIB), institute It includes the System Frame Number to state MIB.
In the embodiment, it may be implemented to transmit MIB in PBCH signals, and carrying system frame number in MIB.It needs to illustrate , in the embodiment, can be applied to embodiment shown in Fig. 2.Wherein, the information field of above-mentioned MIB can be such as 1 institute of table Show：
Table 1：
Wherein, mib information shown in table 1 can be sent since frame head with the synchronous set (SS burst) that accesses) into Row citing, user terminal can obtain current complete frame number 10 by System Frame Number (system Frame Number) to be compared Special information.To realize the synchronization of this level-one of frame.And passes through when synchronization in frame and synchronous access PSS, SSS and PBCH in signal group The structure of signal obtains, and then accurate synchronization may be implemented in user terminal.
Step 303, in the 4th time resource and the 5th time resource, send the PSS and the SSS respectively.
Wherein, can be to send PSS using first time resource to use identical day when the 4th time resource sends PSS Line end mouth it is of course also possible to be different antenna port, and can send primary or multiple PS S in the 4th time resource.With And the 5th time resource send SSS when can be using the second time resource send SSS use identical antenna port, when So, it can also be different antenna port, and primary or multiple SSS can be sent in the 5th time resource.
Step 304, in the 6th time resource, send the PBCH signals, wherein the 4th time resource, described Five time resources and the 6th time resource belong to the second subframe of the frame.
Wherein, above-mentioned first subframe and above-mentioned second subframe can be discontinuous subframes in same subframe, such as：First Subframe can be first subframe of frame, and above-mentioned second subframe can be the frame the 5th subframe in time resource, or The first subframe of person can be second subframe of frame, and above-mentioned second subframe can be the frame the 6th subframe in time money Source etc. is not construed as limiting this embodiment of the present invention.In addition, sending the antenna port that PBCH signals use in the 6th time resource Can be antenna port identical with the antenna port used in third time resource transmission PBCH signals, certainly, using difference Antenna port can also.
Optionally, the first subframe of the frame is the 1st subframe of the frame, and the second subframe of the frame is the frame 5th subframe；
The first time resource includes the last one orthogonal frequency of the 1st slot s lot of the 1st subframe of the frame Divide multiplexing OFDM symbol, second time resource includes the penultimate of the 1st slot of the 1st subframe of the frame OFDM symbol, the third time resource include the first four OFDM symbol of the 2nd slot of the 1st subframe of the frame, institute State the last one OFDM symbol of the 1st slot of the 5th subframe that the 4th time resource includes the frame, the 5th time Resource includes the penultimate OFDM symbol of the 1st slot of the 5th subframe of the frame, and the 6th time resource includes The first four OFDM symbol of second slot of the 5th subframe of the frame.
Such as：One synchronous access signal group (SS block) occupies a frame and sends, and PSS therein, SSS will carry out two Secondary transmission.As shown in figure 4, PSS sends the last one OFDM symbols of first slot of the 1st subframe in a frame for the first time It number sends, the last one OFDM symbol that PSS second sends first slot of the 5th subframe in a frame is sent.And The penultimate OFDM symbol that SSS sends first slot of the 1st subframe in a frame for the first time is sent, SSS second The penultimate OFDM symbol of first slot of the 5th subframe of secondary transmission in a frame is sent.SSS may be implemented in this way It is always sent in the previous OFDM symbol of PSS, SSS is detected using the channel estimation of PSS to be advantageously used for user terminal, to carry The detection performance of high SSS.In addition, PBCH information is also to send at twice in a SS block, i.e. in the range of a frame.The The first four OFDM symbol of primary second slot for sending the 1st subframe in a frame is sent, and PSS is sent in one for the second time The first four OFDM symbol of second slot of the 5th subframe in frame is sent, i.e. PBCH is always in subsequent four OFDM of PSS Symbol is sent, to improve the detection performance of PBCH signals.
It is access synchronous with transmission in the 5th subframe in first subframe it should be noted that in the embodiment Signal group, may be implemented to synchronize access signal group and transmit every time in this way is that uniform and different synchronizing accesses between signal group Interval be also uniform, to improve the transmission performance of synchronous access signal group.
Optionally, described in first time resource and the second time resource, the PSS and the SSS are sent respectively, are wrapped It includes：
The PSS is repeatedly sent in first time resource, the SSS is repeatedly sent in the second time resource；
It is described to send the PSS and the SSS respectively in the 4th time resource and the 5th time resource, including：
The PSS is repeatedly sent in the 4th time resource, the SSS is repeatedly sent in the 5th time resource.
In the embodiment, it may be implemented repeatedly to send the PSS in first time resource, PSS can be improved in this way The performance of detection.And it can be sent using same antenna port repeatedly to send PSS.And it can also realize in the second time resource The SSS is repeatedly sent, the performance of SSS detections can be improved in this way.And it can be using line end on the same day repeatedly to send SSS Mouth is sent.
In the embodiment, it can also realize and repeatedly send the PSS in the 4th time resource, can further carry in this way The high performance of PSS detections.And can also realize and repeatedly send the SSS in the 5th time resource, it can further carry in this way The high performance of SSS detections.
Optionally, the first subframe of the frame is the 1st subframe of the frame, and the second subframe of the frame is the frame 5th subframe；
The first time resource includes first of the 1st slot of the 1st subframe of the frame, third, the 5th A and the 7th OFDM symbol, second time resource includes second of the 1st slot of the 1st subframe of the frame, Four and the 6th OFDM symbol, the third time resource include all OFDM of the 2nd slot of the 1st subframe of the frame Symbol, the 4th time resource includes first of the 1st slot of the 5th subframe of the frame, third, the 5th and 7th OFDM symbol, the 5th time resource includes second of the 1st slot of the 5th subframe of the frame, the 4th A and the 6th OFDM symbol, the 6th time resource include all OFDM of the 2nd slot of the 5th subframe of the frame Symbol；
It is described repeatedly to send the PSS in first time resource, including：
First of the 1st slot of the 1st subframe of the frame, third, the 5th and the 7th OFDM symbol, The PSS is sent respectively；
It is described repeatedly to send the SSS in the second time resource, including：
In second, the 4th and the 6th OFDM symbol of the 1st slot of the 1st subframe of the frame, send out respectively Send the SSS；
It is described repeatedly to send the PSS in the 4th time resource, including：
First of the 1st slot of the 5th subframe of the frame, third, the 5th and the 7th OFDM symbol, The PSS is sent respectively；
It is described repeatedly to send the SSS in the 5th time resource, including：
In second, the 4th and the 6th OFDM symbol of the 1st slot of the 5th subframe of the frame, send out respectively Send the SSS.
Such as：One synchronous access signal group (SS block) occupies a frame and sends, and PSS therein, SSS will carry out two Secondary transmission is sent every time, and PSSS is repeated 4 times, and SSS is repeated 3 times.As shown in figure 5, PSS is sent in a frame for the first time The 0th, 2,4 and 6 OFDM symbol of first slot of the 1st subframe is sent, second of the 5th sent in a frame of PSS The 0th, 2,4 and 6 OFDM symbol of first slot of subframe is sent.And SSS sends the 1st subframe in a frame for the first time The 1st, 3 and 5 OFDM symbol of first slot send, SSS second sends the first of the 5th subframe in a frame The 1st, 3 and 5 OFDM symbol of a slot is sent.Each both sides SSS may be implemented in this way PSS, to which user terminal can To carry out SSS detections using the channel estimation of PSS, to improve the detection performance of SSS.And PBCH is in a SS block, i.e., It is also to send at twice in the range of one frame, sends all of second slot of the 1st subframe in a frame for the first time OFDM symbol is sent, and all OFDM symbols of second of second slot for sending the 5th subframe in a frame of PSS are sent. That is PSS and SSS accounts for a slot and sends, and PBCH accounts for PSS and SSS latter ones slot and sends, to further improve The detection performance of PBCH.
Optionally, described to send the PBCH signals in third time resource, including：
In third time resource, the PBCH signals are sent using mutiple antennas port；
It is described to send the PBCH signals in the 6th time resource, including：
In the 6th time resource, the PBCH signals are sent using mutiple antennas port.
In the embodiment, it may be implemented to send using mutiple antennas port in third time resource and the 6th time resource PBCH signals, to improve the detection performance of PBCH signals.
Optionally, described to send the PBCH signals using mutiple antennas port, including：
Using mutiple antennas port, in the way of space-frequency diversity or space and time diversity, the PBCH signals are sent.
Wherein, above-mentioned using mutiple antennas port, in the way of space-frequency diversity or space and time diversity, send the PBCH Signal can be at least two PBCH information sent on adjacent at least two subcarriers or at least two OFDM symbols Symbol carries out precoding, and the symbol after coding is sent on mutiple antennas port respectively.
Such as：It is above-mentioned using mutiple antennas port, in the way of space-frequency diversity or space and time diversity, send the PBCH Signal, including：
Precoding is carried out to multiple PBCH information symbols, and using mutiple antennas port, sends pre-encoding results.
Wherein, by taking two antenna ports as an example, i-th of information symbol x (i) of two antenna ports in above-mentioned PBCH signals =[x(0)(i) x(1)(i)]T, by space-frequency diversity or space and time diversity, information symbol y (i)=[y of transmission(0)(i) y(1)(i)]T It is as follows with the pre-encode operation of PBCH signal codes：
Wherein, Re expressions take real, Im to indicate to take the empty step of plural number, and j is imaginary unit.
It should be noted that the mode of precoding is only a citing, in the embodiment of the present invention, PBCH signals are not limited Precoding mode.
In the embodiment of the present invention, PBCH signals are sent in the way of space-frequency diversity or space and time diversity above-mentioned, from And the detection performance of PBCH can be improved, i.e., user terminal is more prone to detect PBCH signals.
It is a kind of method of reseptance of synchronous access signal group provided in an embodiment of the present invention, the synchronization referring to Fig. 6, Fig. 6 It includes PSS, SSS and PBCH signal to access signal group, and this method can be applied to user terminal, as shown in fig. 6, including following step Suddenly：
Step 601, in first time resource, search for the PSS.
User terminal can search for PSS in first time resource using an antenna terminal port in the step, when So, can also be to be not construed as limiting to this embodiment of the present invention using mutiple antennas port.
Step 602 carries out channel estimation using the PSS, obtains channel estimation results.
When detecting that PSS user terminals can be carried out channel estimation, to obtain channel estimation results.
Step 603 detects the SSS using the channel estimation results in the second time resource.
Since SSS and PSS are often sent in the same channel, to which the channel estimation results of PSS can be used to examine SSS is surveyed, SSS is quickly detected to realize.
Step 604, in third time resource, detect the PBCH signals, wherein the first time resource, described Two time resources and the third time resource belong to same frame.
Wherein, can be to detect PBCH signals using above-mentioned channel estimation results on third time resource, certainly, to this Invention is implemented to be not construed as limiting, such as：User terminal can also detect PBCH signals by other methods.
Step 605, the System Frame Number for obtaining the frame that the PBCH signals include, and carried out using the System Frame Number Frame synchronization.
After detecting PBCH signals, so that it may to get the System Frame Number that PBCH signals include.Getting system-frame After number, so that it may to realize frame synchronization, i.e. user terminal and network side equipment frame synchronization.
In the present embodiment, the serial number that synchronous access signal group is transmitted in down channel can be avoided through the above steps, And then the expense of down channel is reduced, improve the utilization ratio of system.
It is the method for reseptance of another synchronous access signal group provided in an embodiment of the present invention referring to Fig. 7, Fig. 7, it is described same Step access signal group includes PSS, SSS and PBCH signal, and this method can be applied to user terminal, as shown in fig. 7, comprises below Step：
Step 701, in first time resource, search for the PSS.
User terminal can search for PSS in first time resource using an antenna terminal port in the step, when So, can also be to be not construed as limiting to this embodiment of the present invention using mutiple antennas port.
Step 702 carries out channel estimation using the PSS, obtains channel estimation results.
When detecting that PSS user terminals can be carried out channel estimation, to obtain channel estimation results.
Step 703 detects the SSS using the channel estimation results in the second time resource.
Since SSS and PSS are often sent in the same channel, to which the channel estimation results of PSS can be used to examine SSS is surveyed, SSS is quickly detected to realize.
Step 704, in third time resource, detect the PBCH signals, wherein the first time resource, described Two time resources and the third time resource belong to same frame, and the first time resource, second time resource The first subframe of the frame is belonged to the third time resource.
Wherein, can be to detect PBCH signals using above-mentioned channel estimation results on third time resource, certainly, to this Invention is implemented to be not construed as limiting, such as：User terminal can also detect PBCH signals by other methods.
Step 705, in the 4th time resource, search for the PSS.
In the 4th time resource, user terminal can use an antenna port to search for PSS, and can be at first Between the identical or different antenna port that uses of resource.By searching again for the PSS, the detection for improving PSS may be implemented Performance.
Step 706 is carried out channel estimation using the PSS searched in the 4th time resource, and is estimated using the channel The channel estimation results of meter detect the SSS in the 5th time resource.
In the 5th time resource, user terminal can use an antenna port to detect, and can be in the second time The identical or different antenna port that resource uses.By detecting the SSS again, the detection for improving SSS may be implemented Energy.
Step 707, in the 6th time resource, detect the PBCH signals, wherein the 4th time resource, described Five time resources and the 6th time resource belong to the second subframe of the frame.
By in the 6th time resource, detecting the PBCH signals again, the detection for improving PBCH may be implemented in this way Energy.
Step 708, the System Frame Number for obtaining the frame that the PBCH signals include, and carried out using the System Frame Number Frame synchronization.
Wherein, the System Frame Number that step 708 obtains can be that step 703 detects System Frame Number in PBCH signals, Can be that step 707 detects System Frame Number in PBCH signals.And if detecting PBCH signals in step 703, use this System Frame Number in PBCH signals completes frame synchronization, can not execute step 708 subsequently in this way.Getting System Frame Number Afterwards, so that it may to realize frame synchronization, i.e. user terminal and network side equipment frame synchronization.
Optionally, the System Frame Number in the PBCH signals is complete System Frame Number.
Wherein, embodiment shown in Fig. 3 is may refer to about the explanation of System Frame Number, do not repeated herein, and can reached To identical beneficial effects, and it can be applied to embodiment shown in fig. 6.
Optionally, the PBCH signals include host system message block MIB, and the MIB includes the System Frame Number, described to obtain The System Frame Number for taking the PBCH signals to include, including：
The MIB that the PBCH signals include is obtained, the System Frame Number is obtained from the MIB.
Wherein, embodiment shown in Fig. 3 is may refer to about the explanation of MIB, do not repeated herein, and can reached identical Beneficial effects, and can be applied to embodiment shown in fig. 6.
Optionally, the first subframe of the frame is the 1st subframe of the frame, and the second subframe of the frame is the frame 5th subframe；
The first time resource includes the last one orthogonal frequency of the 1st slot s lot of the 1st subframe of the frame Divide multiplexing OFDM symbol, second time resource includes the penultimate of the 1st slot of the 1st subframe of the frame OFDM symbol, the third time resource include the first four OFDM symbol of the 2nd slot of the 1st subframe of the frame, institute State the last one OFDM symbol of the 1st slot of the 5th subframe that the 4th time resource includes the frame, the 5th time Resource includes the penultimate OFDM symbol of the 1st slot of the 5th subframe of the frame, and the 6th time resource includes The first four OFDM symbol of second slot of the 5th subframe of the frame.
Wherein, the explanation about the first subframe and the second subframe may refer to embodiment shown in Fig. 3, not go to live in the household of one's in-laws on getting married herein It states, and identical beneficial effects can be reached.
Optionally, described to search for the PSS in first time resource, including：
In first time resource, the PSS is repeatedly searched for；
It is described to use the channel estimation results, the SSS is detected in the second time resource, including：
Using the channel estimation results, the SSS described in the second time resource repeated detection；
It is described to search for the PSS in the 4th time resource, including：
In the 4th time resource, the PSS is repeatedly searched for；
The PSS that the use is searched in the 4th time resource carries out channel estimation, and uses the channel estimation Channel estimation results detect the SSS in the 5th time resource, including：
Channel estimation is carried out using the PSS searched in the 4th time resource, and uses the channel estimation Channel estimation results, the SSS described in the 5th time resource repeated detection.
In the embodiment, it may be implemented repeatedly to search for PSS in first time resource, to improve the detection performance of PSS, and It can repeatedly be searched for using same antenna port.And may be implemented in the second time resource repeated detection SSS, to improve The detection performance of SSS, and same antenna port can be used to carry out repeated detection.And the detection performance of PSS can be improved, and It can repeatedly be searched for using same antenna port.And the detection performance of SSS can be improved, and the same antenna can be used Port carries out repeated detection.
Optionally, the first subframe of the frame is the 1st subframe of the frame, and the second subframe of the frame is the frame 5th subframe；
The first time resource includes first of the 1st slot of the 1st subframe of the frame, third, the 5th A and the 7th OFDM symbol, second time resource includes second of the 1st slot of the 1st subframe of the frame, Four and the 6th OFDM symbol, the third time resource include all OFDM of the 2nd slot of the 1st subframe of the frame Symbol, the 4th time resource includes first of the 1st slot of the 5th subframe of the frame, third, the 5th and 7th OFDM symbol, the 5th time resource includes second of the 1st slot of the 5th subframe of the frame, the 4th A and the 6th OFDM symbol, the 6th time resource include all OFDM of the 2nd slot of the 5th subframe of the frame Symbol；
It is described repeatedly to search for the PSS in first time resource, including：
First of the 1st slot of the 1st subframe of the frame, third, the 5th and the 7th OFDM symbol, The PSS is searched for respectively；
The use channel estimation results, the SSS described in the second time resource repeated detection, including：
Using the channel estimation results, at second, the 4th of the 1st slot of the 1st subframe of the frame and 6th OFDM symbol, detects the SSS respectively；
It is described to search for the PSS in the 4th time resource, including：
First of the 1st slot of the 5th subframe of the frame, third, the 5th and the 7th OFDM symbol, The PSS is searched for respectively；
The PSS that the use is searched in the 4th time resource carries out channel estimation, and is estimated using the channel The channel estimation results of meter, the SSS described in the 5th time resource repeated detection, including：
It is searched for using first of the 1st slot in the 5th subframe, third, the 5th and the 7th OFDM symbol The PSS that arrives carries out channel estimation, and using the channel estimation results of the channel estimation, in the 5th subframe of the frame Second, the 4th and the 6th OFDM symbol of 1st slot, detects the SSS respectively.
Wherein, the explanation about the first subframe and the second subframe may refer to embodiment shown in Fig. 3, not go to live in the household of one's in-laws on getting married herein It states, and identical beneficial effects can be reached.
Optionally, described to detect the PBCH signals in third time resource, including：
In third time resource, PBCH signals described in mutiple antennas Port detecting are used；
It is described to detect the PBCH signals in the 6th time resource, including：
In the 6th time resource, PBCH signals described in mutiple antennas Port detecting are used.
In the embodiment, it may be implemented to use mutiple antennas port respectively in third time resource and the 6th time resource PBCH signals are detected, to improve the detection performance of PBCH signals.
Optionally, described using PBCH signals described in mutiple antennas Port detecting, including：
Using mutiple antennas port, the PBCH signals are detected by way of space-frequency diversity or space and time diversity.
Wherein, the respective description in embodiment shown in Fig. 3 is may refer to about above-mentioned space-frequency diversity or space and time diversity, It does not repeat herein, and identical advantageous effect can be reached.
It should be noted that embodiment of the present embodiment as the corresponding user terminal of embodiment as shown in figure 3, Specific embodiment may refer to embodiment related description shown in Fig. 3, and reach identical advantageous effect, in order to avoid Repeated explanation, details are not described herein again.
It is a kind of structure chart of network side equipment provided in an embodiment of the present invention referring to Fig. 8, Fig. 8, can realizes Fig. 2 and figure The details of the sending method of synchronous access signal group in embodiment shown in 3, and reach identical effect.The network side equipment For the transmission of synchronous access signal group, the synchronous access signal group includes PSS, SSS and PBCH signal.As shown in figure 8, net Network side apparatus 800 includes：First sending module 801 and the second sending module 802, wherein：
First sending module 801, in first time resource and the second time resource, sending the PSS and institute respectively State SSS；
Second sending module 802, in third time resource, sending the PBCH signals, wherein the first time Resource, second time resource and the third time resource belong to same frame, and the PBCH signals include the frame System Frame Number.
Optionally, the System Frame Number in the PBCH signals is complete System Frame Number.
Optionally, the PBCH signals include host system message block MIB, and the MIB includes the System Frame Number.
Optionally, the first time resource, second time resource and the third time resource belong to described First subframe of frame；
As shown in figure 9, the network side equipment 800 further includes：
Third sending module 803, in the 4th time resource and the 5th time resource, sending the PSS and institute respectively State SSS；
4th sending module 804, in the 6th time resource, sending the PBCH signals, wherein the 4th time Resource, the 5th time resource and the 6th time resource belong to the second subframe of the frame.
Optionally, the first subframe of the frame is the 1st subframe of the frame, and the second subframe of the frame is the frame 5th subframe；
The first time resource includes the last one orthogonal frequency of the 1st slot s lot of the 1st subframe of the frame Divide multiplexing OFDM symbol, second time resource includes the penultimate of the 1st slot of the 1st subframe of the frame OFDM symbol, the third time resource include the first four OFDM symbol of the 2nd slot of the 1st subframe of the frame, institute State the last one OFDM symbol of the 1st slot of the 5th subframe that the 4th time resource includes the frame, the 5th time Resource includes the penultimate OFDM symbol of the 1st slot of the 5th subframe of the frame, and the 6th time resource includes The first four OFDM symbol of second slot of the 5th subframe of the frame.
Optionally, first sending module 801, specifically for repeatedly sending the PSS in first time resource, Two time resources repeatedly send the SSS；
The third sending module 803, specifically for repeatedly sending the PSS in the 4th time resource, in the 5th time Resource repeatedly sends the SSS.
Optionally, the first subframe of the frame is the 1st subframe of the frame, and the second subframe of the frame is the frame 5th subframe；
The first time resource includes first of the 1st slot of the 1st subframe of the frame, third, the 5th A and the 7th OFDM symbol, second time resource includes second of the 1st slot of the 1st subframe of the frame, Four and the 6th OFDM symbol, the third time resource include all OFDM of the 2nd slot of the 1st subframe of the frame Symbol, the 4th time resource includes first of the 1st slot of the 5th subframe of the frame, third, the 5th and 7th OFDM symbol, the 5th time resource includes second of the 1st slot of the 5th subframe of the frame, the 4th A and the 6th OFDM symbol, the 6th time resource include all OFDM of the 2nd slot of the 5th subframe of the frame Symbol；
First sending module 801, be specifically used for first of the 1st slot of the 1st subframe of the frame, the Three, the 5th and the 7th OFDM symbols, send the PSS respectively；
In second, the 4th and the 6th OFDM symbol of the 1st slot of the 1st subframe of the frame, send out respectively Send the SSS；
The third sending module 803, be specifically used for first of the 1st slot of the 5th subframe of the frame, the Three, the 5th and the 7th OFDM symbols, send the PSS respectively；
In second, the 4th and the 6th OFDM symbol of the 1st slot of the 5th subframe of the frame, send out respectively Send the SSS.
Optionally, second sending module 802 is specifically used for, in third time resource, sending out using mutiple antennas port Send the PBCH signals；
4th sending module 804 is specifically used in the 6th time resource, described in the transmission of mutiple antennas port PBCH signals.
Optionally, second sending module 802 is specifically used for, in third time resource, using mutiple antennas port, profit With the mode of space-frequency diversity or space and time diversity, the PBCH signals are sent；
4th sending module 804 is specifically used for utilizing null tone using mutiple antennas port in the 6th time resource The mode of diversity or space and time diversity sends the PBCH signals.
Optionally, second sending module 802 is specifically used in third time resource, to multiple PBCH information symbols Precoding is carried out, and using mutiple antennas port, sends pre-encoding results；
4th sending module 804 is specifically used for, in the 6th time resource, prelisting to multiple PBCH information symbols Code, and using mutiple antennas port, send pre-encoding results.
It should be noted that above-mentioned network side equipment 800 can be that method is implemented in the embodiment of the present invention in the present embodiment The network side equipment of arbitrary embodiment in example, in the embodiment of the present invention in embodiment of the method network side equipment arbitrary embodiment party Formula can be realized by the above-mentioned network side equipment 800 in the present embodiment, and reach identical advantageous effect, herein no longer It repeats.
It is a kind of structure chart of user terminal provided in an embodiment of the present invention referring to Figure 10, Figure 10, can realizes Fig. 6 and figure The details of the method for reseptance of synchronous access signal group in embodiment shown in 7, and reach identical effect.The user terminal is used for The reception of synchronous access signal group, the synchronous access signal group includes PSS, SSS and PBCH signal.As shown in Figure 10, user Terminal 1000 includes：First search module 1001, channel estimation module 1002, first detection module 1003, the second detection module 1004 and synchronization module 1005, wherein：
First search module 1001, for being provided in first time, the PSS is searched in source；
Channel estimation module 1002 obtains channel estimation results for carrying out channel estimation using the PSS；
First detection module 1003, for detecting the SSS in the second time resource using the channel estimation results；
Second detection module 1004, in third time resource, detecting the PBCH signals, wherein when described first Between resource, second time resource and the third time resource belong to same frame；
Synchronization module 1005, the System Frame Number for obtaining the frame that the PBCH signals include, and use the system Frame number of uniting carries out frame synchronization.
Optionally, the System Frame Number in the PBCH signals is complete System Frame Number.
Optionally, the PBCH signals include host system message block MIB, and the MIB includes the System Frame Number, described same Module 1005 is walked, the MIB for including specifically for obtaining the PBCH signals obtains the System Frame Number from the MIB, And carry out frame synchronization using the System Frame Number.
Optionally, the first time resource, second time resource and the third time resource belong to described First subframe of frame；As shown in figure 11, the user terminal 1000 further includes：
Second search module 1006, in the 4th time resource, searching for the PSS；
Third detection module 1007, for using the PSS searched in the 4th time resource to carry out channel estimation, and Using the channel estimation results of the channel estimation, the SSS is detected in the 5th time resource；
4th detection module 1008, in the 6th time resource, detecting the PBCH signals, wherein when the described 4th Between resource, the 5th time resource and the 6th time resource belong to the second subframe of the frame.
Optionally, the first subframe of the frame is the 1st subframe of the frame, and the second subframe of the frame is the frame 5th subframe；
The first time resource includes the last one orthogonal frequency of the 1st slot s lot of the 1st subframe of the frame Divide multiplexing OFDM symbol, second time resource includes the penultimate of the 1st slot of the 1st subframe of the frame OFDM symbol, the third time resource include the first four OFDM symbol of the 2nd slot of the 1st subframe of the frame, institute State the last one OFDM symbol of the 1st slot of the 5th subframe that the 4th time resource includes the frame, the 5th time Resource includes the penultimate OFDM symbol of the 1st slot of the 5th subframe of the frame, and the 6th time resource includes The first four OFDM symbol of second slot of the 5th subframe of the frame.
Optionally, first search module 1001 is specifically used for, in first time resource, repeatedly searching for the PSS；
The first detection module 1003 is specifically used for using the channel estimation results, multiple in the second time resource Detect the SSS；
Second detection module 1004 is specifically used in third time resource, described in mutiple antennas Port detecting PBCH signals；
Second search module 1006 is specifically used for, in the 4th time resource, repeatedly searching for the PSS；
The third detection module 1007, specifically for use the PSS searched in the 4th time resource into Row channel estimation, and using the channel estimation results of the channel estimation, the SSS described in the 5th time resource repeated detection；
4th detection module 1009 is specifically used in the 6th time resource, described in mutiple antennas Port detecting PBCH signals.
Optionally, the first subframe of the frame is the 1st subframe of the frame, and the second subframe of the frame is the frame 5th subframe；
The first time resource includes first of the 1st slot of the 1st subframe of the frame, third, the 5th A and the 7th OFDM symbol, second time resource includes second of the 1st slot of the 1st subframe of the frame, Four and the 6th OFDM symbol, the third time resource include all OFDM of the 2nd slot of the 1st subframe of the frame Symbol, the 4th time resource includes first of the 1st slot of the 5th subframe of the frame, third, the 5th and 7th OFDM symbol, the 5th time resource includes second of the 1st slot of the 5th subframe of the frame, the 4th A and the 6th OFDM symbol, the 6th time resource include all OFDM of the 2nd slot of the 5th subframe of the frame Symbol；
First search module 1001, be specifically used for first of the 1st slot of the 1st subframe of the frame, Third, the 5th and the 7th OFDM symbol, search for the PSS respectively；
The first detection module 1003 is specifically used for using the channel estimation results, in the 1st subframe of the frame The 1st slot second, the 4th and the 6th OFDM symbol, detect the SSS respectively；
Second search module 1006, be specifically used for first of the 1st slot of the 5th subframe of the frame, Third, the 5th and the 7th OFDM symbol, search for the PSS respectively；
The third detection module 1007 is specifically used for first, third using the 1st slot in the 5th subframe The PSS that a, the 5th and the 7th OFDM symbol search carries out channel estimation, and is estimated using the channel of the channel estimation Meter as a result, the 1st slot of the 5th subframe of the frame second, the 4th and the 6th OFDM symbol, detect respectively The SSS.
Optionally, second detection module 1004 is specifically used for, in third time resource, examining using mutiple antennas port Survey the PBCH signals；
4th detection module 1008 is specifically used in the 6th time resource, described in mutiple antennas Port detecting PBCH signals.
Optionally, second detection module 1004, is specifically used in third time resource, using mutiple antennas port, The PBCH signals are detected by way of space-frequency diversity or space and time diversity；
4th detection module 1008 is specifically used for passing through null tone using mutiple antennas port in the 6th time resource Diversity or the mode of space and time diversity detect the PBCH signals.
It should be noted that above-mentioned user terminal 1000 can be embodiment of the method in the embodiment of the present invention in the present embodiment In arbitrary embodiment user terminal, the arbitrary embodiment of user terminal all may be used in embodiment of the method in the embodiment of the present invention To be realized by the above-mentioned user terminal 1000 in the present embodiment, and reach identical advantageous effect, details are not described herein again.
8th embodiment
It is the structure chart of the network side equipment of application of the embodiment of the present invention referring to Figure 12, Figure 12, can realizes Fig. 2 and Fig. 3 Shown in synchronous access signal group in embodiment sending method details, and reach identical effect, wherein synchronous access Signal group includes PSS, SSS and PBCH signal.As shown in figure 12, which includes：Processor 1201, transceiver 1202, memory 1203, user interface 1204 and bus interface, wherein：
Processor 1201 executes following process for reading the program in memory 1203：
In first time resource and the second time resource, the PSS and the SSS are sent respectively；
In third time resource, the PBCH signals are sent, wherein the first time resource, second time money Source and the third time resource belong to same frame, and the PBCH signals include the System Frame Number of the frame.
Wherein, transceiver 1202, for sending and receiving data under the control of processor 1201.
In fig. 12, bus architecture may include the bus and bridge of any number of interconnection, specifically by 1201 generation of processor The various circuits for the memory that the one or more processors and memory 1203 of table represent link together.Bus architecture may be used also To link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, these are all It is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 1202 can To be multiple element, that is, includes transmitter and receiver, the list for being communicated over a transmission medium with various other devices is provided Member.For different user equipmenies, user interface 1204, 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 1201 is responsible for bus architecture and common processing, and memory 1203 can store processor 1201 and exist Execute used data when operation.
Optionally, the System Frame Number in the PBCH signals is complete System Frame Number.
Optionally, the PBCH signals include host system message block MIB, and the MIB includes the System Frame Number.
Optionally, the first time resource, second time resource and the third time resource belong to described First subframe of frame；Processor 1201 is additionally operable to：
In the 4th time resource and the 5th time resource, the PSS and the SSS are sent respectively；
In the 6th time resource, the PBCH signals are sent, wherein the 4th time resource, the 5th time money Source and the 6th time resource belong to the second subframe of the frame.
Optionally, the first subframe of the frame is the 1st subframe of the frame, and the second subframe of the frame is the frame 5th subframe；
The first time resource includes the last one orthogonal frequency of the 1st slot s lot of the 1st subframe of the frame Divide multiplexing OFDM symbol, second time resource includes the penultimate of the 1st slot of the 1st subframe of the frame OFDM symbol, the third time resource include the first four OFDM symbol of the 2nd slot of the 1st subframe of the frame, institute State the last one OFDM symbol of the 1st slot of the 5th subframe that the 4th time resource includes the frame, the 5th time Resource includes the penultimate OFDM symbol of the 1st slot of the 5th subframe of the frame, and the 6th time resource includes The first four OFDM symbol of second slot of the 5th subframe of the frame.
Optionally, what processor 1201 executed is described in first time resource and the second time resource, respectively described in transmission The PSS and SSS, including：
The PSS is repeatedly sent in first time resource, the SSS is repeatedly sent in the second time resource；
Processor 1201 executes described in the 4th time resource and the 5th time resource, sends the PSS and institute respectively SSS is stated, including：
The PSS is repeatedly sent in the 4th time resource, the SSS is repeatedly sent in the 5th time resource.
Optionally, the first subframe of the frame is the 1st subframe of the frame, and the second subframe of the frame is the frame 5th subframe；
The first time resource includes first of the 1st slot of the 1st subframe of the frame, third, the 5th A and the 7th OFDM symbol, second time resource includes second of the 1st slot of the 1st subframe of the frame, Four and the 6th OFDM symbol, the third time resource include all OFDM of the 2nd slot of the 1st subframe of the frame Symbol, the 4th time resource includes first of the 1st slot of the 5th subframe of the frame, third, the 5th and 7th OFDM symbol, the 5th time resource includes second of the 1st slot of the 5th subframe of the frame, the 4th A and the 6th OFDM symbol, the 6th time resource include all OFDM of the 2nd slot of the 5th subframe of the frame Symbol；
The described of the execution of processor 1201 repeatedly sends the PSS in first time resource, including：
First of the 1st slot of the 1st subframe of the frame, third, the 5th and the 7th OFDM symbol, The PSS is sent respectively；
The described of the execution of processor 1201 repeatedly sends the SSS in the second time resource, including：
In second, the 4th and the 6th OFDM symbol of the 1st slot of the 1st subframe of the frame, send out respectively Send the SSS；
The described of the execution of processor 1201 repeatedly sends the PSS in the 4th time resource, including：
First of the 1st slot of the 5th subframe of the frame, third, the 5th and the 7th OFDM symbol, The PSS is sent respectively；
The described of the execution of processor 1201 repeatedly sends the SSS in the 5th time resource, including：
In second, the 4th and the 6th OFDM symbol of the 1st slot of the 5th subframe of the frame, send out respectively Send the SSS.
Optionally, the described of the execution of processor 1201 sends the PBCH signals in third time resource, including：
In third time resource, the PBCH signals are sent using mutiple antennas port；
The described of the execution of processor 1201 sends the PBCH signals in the 6th time resource, including：
In the 6th time resource, the PBCH signals are sent using mutiple antennas port.
Optionally, what processor 1201 executed is described using the mutiple antennas port transmission PBCH signals, including：
Using mutiple antennas port, in the way of space-frequency diversity or space and time diversity, the PBCH signals are sent.
Optionally, what processor 1201 executed is described using mutiple antennas port, utilizes space-frequency diversity or space and time diversity Mode, send the PBCH signals, including：
Precoding is carried out to multiple PBCH information symbols, and using mutiple antennas port, sends pre-encoding results.
It should be noted that above-mentioned network side equipment 1200 can be that method is implemented in the embodiment of the present invention in the present embodiment The network side equipment of arbitrary embodiment in example, in the embodiment of the present invention in embodiment of the method network side equipment arbitrary embodiment party Formula can be realized by the above-mentioned network side equipment 1200 in the present embodiment, and reach identical advantageous effect, herein not It repeats again.
9th embodiment
It is the structure chart of the user terminal of application of the embodiment of the present invention referring to Figure 13, Figure 13, can realizes Fig. 6 and Fig. 7 institutes The details of the method for reseptance of synchronizing signal group in the embodiment shown, and reach identical effect, wherein synchronous access signal group Including PSS, SSS and PBCH signal.As shown in figure 13, user terminal 1300 includes：At least one processor 1301, memory 1302, at least one network interface 1304 and user interface 1303.Various components in terminal 1300 pass through bus system 1305 It is coupled.It is understood that bus system 1305 is for realizing the connection communication between these components.Bus system 1305 is except packet It includes except data/address bus, further includes power bus, controlling bus and status signal bus in addition.But for the sake of clear explanation, Various buses are all designated as bus system 1305 in Figure 13.
Wherein, user interface 1303 may 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 1302 in the embodiment of the present invention can be volatile memory or non-volatile memories Both device, or may include volatile and non-volatile memory.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 is available, 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 1302 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 1302 stores following element, executable modules or data structures, or Their subset of person or their superset：Operating system 13021 and application program 13022.
Wherein, operating system 13021, including various system programs, such as ccf layer, core library layer, driving layer etc., are used for Realize various basic businesses and the hardware based task of processing.Application program 13022, including various application programs, such as matchmaker Body player (Media Player), browser (Browser) etc., for realizing various applied business.Realize that the present invention is implemented The program of example method may be embodied in application program 13022.
In embodiments of the present invention, by the program for calling memory 1302 to store or instruction, specifically, can be application The program stored in program 13022 or instruction, processor 1301 are used for：
In first time resource, the PSS is searched for；
Channel estimation is carried out using the PSS, obtains channel estimation results；
Using the channel estimation results SSS is detected in the second time resource；
In third time resource, the PBCH signals are detected, wherein the first time resource, second time money Source and the third time resource belong to same frame；
The System Frame Number for the frame that the PBCH signals include is obtained, and frame synchronization is carried out using the System Frame Number.
The method that the embodiments of the present invention disclose can be applied in processor 1301, or real by processor 1301 It is existing.Processor 1301 may be a kind of IC chip, the processing capacity with signal.During realization, the above method Each step can be completed by the instruction of the integrated logic circuit of the hardware in processor 1301 or software form.Above-mentioned Processor 1301 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 Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic, Discrete hardware components.It may be implemented or execute 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..In conjunction with institute of the embodiment of the present invention The step of disclosed method, can be embodied directly in hardware decoding processor and execute completion, or with the hardware in decoding processor And software module combination executes 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 1302, processor 1301 reads the information in memory 1302, the above method is completed in conjunction with 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 may be implemented 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, In controller, microcontroller, microprocessor, other electronic units for executing herein described function or combinations thereof.
For software implementations, it can be realized herein by executing the module (such as process, function etc.) of function described herein The technology.Software code is storable in memory and is executed by processor.Memory can in the processor or It is realized outside processor.
Optionally, the System Frame Number in the PBCH signals is complete System Frame Number.
Optionally, the PBCH signals include host system message block MIB, and the MIB includes the System Frame Number, processor The System Frame Number that the acquisition PBCH signals of 1301 execution include, including：
The MIB that the PBCH signals include is obtained, the System Frame Number is obtained from the MIB.
Optionally, the first time resource, second time resource and the third time resource belong to described First subframe of frame；
The System Frame Number for the frame that the acquisition PBCH signals that processor 1301 executes include, and described in use Before System Frame Number carries out the step of frame synchronization, the method further includes：
In the 4th time resource, the PSS is searched for；
Channel estimation is carried out using the PSS searched in the 4th time resource, and uses the channel of the channel estimation Estimated result detects the SSS in the 5th time resource；
In the 6th time resource, the PBCH signals are detected, wherein the 4th time resource, the 5th time money Source and the 6th time resource belong to the second subframe of the frame.
Optionally, the first subframe of the frame is the 1st subframe of the frame, and the second subframe of the frame is the frame 5th subframe；
The first time resource includes the last one orthogonal frequency of the 1st slot s lot of the 1st subframe of the frame Divide multiplexing OFDM symbol, second time resource includes the penultimate of the 1st slot of the 1st subframe of the frame OFDM symbol, the third time resource include the first four OFDM symbol of the 2nd slot of the 1st subframe of the frame, institute State the last one OFDM symbol of the 1st slot of the 5th subframe that the 4th time resource includes the frame, the 5th time Resource includes the penultimate OFDM symbol of the 1st slot of the 5th subframe of the frame, and the 6th time resource includes The first four OFDM symbol of second slot of the 5th subframe of the frame.
Optionally, the described of the execution of processor 1301 searches for the PSS in first time resource, including：
In first time resource, the PSS is repeatedly searched for；
Processor 1301 executes described using the channel estimation results, and the SSS, packet are detected in the second time resource It includes：
Using the channel estimation results, the SSS described in the second time resource repeated detection；
The described of the execution of processor 1301 searches for the PSS in the 4th time resource, including：
In the 4th time resource, the PSS is repeatedly searched for；
The PSS that the use that processor 1301 executes is searched in the 4th time resource carries out channel estimation, and Using the channel estimation results of the channel estimation, the SSS is detected in the 5th time resource, including：
Channel estimation is carried out using the PSS searched in the 4th time resource, and uses the channel estimation Channel estimation results, the SSS described in the 5th time resource repeated detection.
Optionally, the first subframe of the frame is the 1st subframe of the frame, and the second subframe of the frame is the frame 5th subframe；
The first time resource includes first of the 1st slot of the 1st subframe of the frame, third, the 5th A and the 7th OFDM symbol, second time resource includes second of the 1st slot of the 1st subframe of the frame, Four and the 6th OFDM symbol, the third time resource include all OFDM of the 2nd slot of the 1st subframe of the frame Symbol, the 4th time resource includes first of the 1st slot of the 5th subframe of the frame, third, the 5th and 7th OFDM symbol, the 5th time resource includes second of the 1st slot of the 5th subframe of the frame, the 4th A and the 6th OFDM symbol, the 6th time resource include all OFDM of the 2nd slot of the 5th subframe of the frame Symbol；
Processor 1301 executes described in first time resource, repeatedly searches for the PSS, including：
First of the 1st slot of the 1st subframe of the frame, third, the 5th and the 7th OFDM symbol, The PSS is searched for respectively；
Processor 1301 executes described using the channel estimation results, described in the second time resource repeated detection SSS, including：
Using the channel estimation results, at second, the 4th of the 1st slot of the 1st subframe of the frame and 6th OFDM symbol, detects the SSS respectively；
The described of the execution of processor 1301 searches for the PSS in the 4th time resource, including：
First of the 1st slot of the 5th subframe of the frame, third, the 5th and the 7th OFDM symbol, The PSS is searched for respectively；
The PSS that the use that processor 1301 executes is searched in the 4th time resource carries out channel and estimates Meter, and using the channel estimation results of the channel estimation, the SSS described in the 5th time resource repeated detection, including：
It is searched for using first of the 1st slot in the 5th subframe, third, the 5th and the 7th OFDM symbol The PSS that arrives carries out channel estimation, and using the channel estimation results of the channel estimation, in the 5th subframe of the frame Second, the 4th and the 6th OFDM symbol of 1st slot, detects the SSS respectively.
Optionally, the described of the execution of processor 1301 detects the PBCH signals in third time resource, including：
In third time resource, PBCH signals described in mutiple antennas Port detecting are used；
The described of the execution of processor 1301 detects the PBCH signals in the 6th time resource, including：
In the 6th time resource, PBCH signals described in mutiple antennas Port detecting are used.
Optionally, what processor 1301 executed is described using PBCH signals described in mutiple antennas Port detecting, including：
Using mutiple antennas port, the PBCH signals are detected by way of space-frequency diversity or space and time diversity.
It should be noted that above-mentioned user terminal 1300 can be embodiment of the method in the embodiment of the present invention in the present embodiment In arbitrary embodiment user terminal, the arbitrary embodiment of user terminal all may be used in embodiment of the method in the embodiment of the present invention To be realized by the above-mentioned user terminal 1300 in the present embodiment, and reach identical advantageous effect, details are not described herein again.
Those of ordinary skill in the art may realize that lists described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, depends on the specific application and design constraint of technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed 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, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In embodiment provided herein, it should be understood that disclosed device 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, only A kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, 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 separated, aobvious as unit The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple In network element.Some or all of unit therein can be selected according to the actual needs to realize the embodiment of the present invention Purpose.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product It is stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially in other words The part of the part that contributes to existing technology or the technical solution can be expressed in the form of software products, the meter Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention. And storage medium above-mentioned 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 scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and 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 (39)

1. a kind of sending method of synchronous access signal group, which is characterized in that the synchronous access signal group includes main synchronous letter Number PSS, subsynchronous signal SSS and Physical Broadcast Channel PBCH signals, the method includes：
In first time resource and the second time resource, the PSS and the SSS are sent respectively；
In third time resource, send the PBCH signals, wherein the first time resource, second time resource and The third time resource belongs to same frame, and the PBCH signals include the System Frame Number of the frame.
2. the method as described in claim 1, which is characterized in that the PBCH signals include host system message block MIB, described MIB includes the System Frame Number.
3. method as claimed in claim 1 or 2, which is characterized in that the System Frame Number is complete System Frame Number.
4. the method as described in claim 1, which is characterized in that the first time resource, second time resource and institute State the first subframe that third time resource belongs to the frame；
The method further includes：
In the 4th time resource and the 5th time resource, the PSS and the SSS are sent respectively；
In the 6th time resource, send the PBCH signals, wherein the 4th time resource, the 5th time resource and 6th time resource belongs to the second subframe of the frame.
5. method as claimed in claim 4, which is characterized in that the first subframe of the frame is the 1st subframe of the frame, institute The second subframe for stating frame is the 5th subframe of the frame；
The first time resource includes the last one orthogonal frequency division multiplexing of the 1st slot s lot of the 1st subframe of the frame With OFDM symbol, second time resource includes the penultimate OFDM symbols of the 1st slot of the 1st subframe of the frame Number, the third time resource includes the first four OFDM symbol of the 2nd slot of the 1st subframe of the frame, and the described 4th Time resource includes the last one OFDM symbol of the 1st slot of the 5th subframe of the frame, the 5th time resource packet The penultimate OFDM symbol of the 1st slot of the 5th subframe of the frame is included, the 6th time resource includes the frame The 5th subframe second slot first four OFDM symbol.
6. method as claimed in claim 4, which is characterized in that it is described in first time resource and the second time resource, respectively The PSS and the SSS are sent, including：
The PSS is repeatedly sent in first time resource, the SSS is repeatedly sent in the second time resource；
It is described to send the PSS and the SSS respectively in the 4th time resource and the 5th time resource, including：
The PSS is repeatedly sent in the 4th time resource, the SSS is repeatedly sent in the 5th time resource.
7. method as claimed in claim 6, which is characterized in that the first subframe of the frame is the 1st subframe of the frame, institute The second subframe for stating frame is the 5th subframe of the frame；
The first time resource includes first of the 1st slot of the 1st subframe of the frame, third, the 5th and 7th OFDM symbol, second time resource include second of the 1st slot of the 1st subframe of the frame, the 4th With the 6th OFDM symbol, the third time resource includes all OFDM symbols of the 2nd slot of the 1st subframe of the frame Number, the 4th time resource includes first of the 1st slot of the 5th subframe of the frame, third, the 5th and the Seven OFDM symbols, the 5th time resource include second of the 1st slot of the 5th subframe of the frame, the 4th With the 6th OFDM symbol, the 6th time resource includes all OFDM symbols of the 2nd slot of the 5th subframe of the frame Number；
It is described repeatedly to send the PSS in first time resource, including：
First of the 1st slot of the 1st subframe of the frame, third, the 5th and the 7th OFDM symbol, respectively Send the PSS；
It is described repeatedly to send the SSS in the second time resource, including：
In second, the 4th and the 6th OFDM symbol of the 1st slot of the 1st subframe of the frame, institute is sent respectively State SSS；
It is described repeatedly to send the PSS in the 4th time resource, including：
First of the 1st slot of the 5th subframe of the frame, third, the 5th and the 7th OFDM symbol, respectively Send the PSS；
It is described repeatedly to send the SSS in the 5th time resource, including：
In second, the 4th and the 6th OFDM symbol of the 1st slot of the 5th subframe of the frame, institute is sent respectively State SSS.
8. method as claimed in claim 4, which is characterized in that described to send the PBCH signals in third time resource, packet It includes：
In third time resource, the PBCH signals are sent using mutiple antennas port；
It is described to send the PBCH signals in the 6th time resource, including：
In the 6th time resource, the PBCH signals are sent using mutiple antennas port.
9. method as claimed in claim 8, which is characterized in that it is described to send the PBCH signals using mutiple antennas port, Including：
Using mutiple antennas port, in the way of space-frequency diversity or space and time diversity, the PBCH signals are sent.
10. method as claimed in claim 9, which is characterized in that it is described using mutiple antennas port, using space-frequency diversity or The mode of space and time diversity sends the PBCH signals, including：
Precoding is carried out to multiple PBCH information symbols, and using mutiple antennas port, sends pre-encoding results.
11. a kind of method of reseptance of synchronous access signal group, which is characterized in that the synchronous access signal group includes main synchronous letter Number PSS, subsynchronous signal SSS and Physical Broadcast Channel PBCH signals, the method includes：
In first time resource, the PSS is searched for；
Channel estimation is carried out using the PSS, obtains channel estimation results；
Using the channel estimation results SSS is detected in the second time resource；
In third time resource, detect the PBCH signals, wherein the first time resource, second time resource and The third time resource belongs to same frame；
The System Frame Number for the frame that the PBCH signals include is obtained, and frame synchronization is carried out using the System Frame Number.
12. method as claimed in claim 11, the PBCH signals include host system message block MIB, and the MIB includes described System Frame Number, the System Frame Number for obtaining the PBCH signals and including, including：
The MIB that the PBCH signals include is obtained, the System Frame Number is obtained from the MIB.
13. the method as described in claim 11 or 12, which is characterized in that the System Frame Number is complete System Frame Number.
14. method as claimed in claim 11, which is characterized in that the first time resource, second time resource and The third time resource belongs to the first subframe of the frame；
The System Frame Number for obtaining the frame that the PBCH signals include, and carry out frame synchronization using the System Frame Number Before step, the method further includes：
In the 4th time resource, the PSS is searched for；
Channel estimation is carried out using the PSS searched in the 4th time resource, and uses the channel estimation of the channel estimation As a result, detecting the SSS in the 5th time resource；
In the 6th time resource, detect the PBCH signals, wherein the 4th time resource, the 5th time resource and 6th time resource belongs to the second subframe of the frame.
15. method as claimed in claim 14, which is characterized in that the first subframe of the frame is the 1st subframe of the frame, Second subframe of the frame is the 5th subframe of the frame；
The first time resource includes the last one orthogonal frequency division multiplexing of the 1st slot s lot of the 1st subframe of the frame With OFDM symbol, second time resource includes the penultimate OFDM symbols of the 1st slot of the 1st subframe of the frame Number, the third time resource includes the first four OFDM symbol of the 2nd slot of the 1st subframe of the frame, and the described 4th Time resource includes the last one OFDM symbol of the 1st slot of the 5th subframe of the frame, the 5th time resource packet The penultimate OFDM symbol of the 1st slot of the 5th subframe of the frame is included, the 6th time resource includes the frame The 5th subframe second slot first four OFDM symbol.
16. method as claimed in claim 14, which is characterized in that it is described to search for the PSS in first time resource, including：
In first time resource, the PSS is repeatedly searched for；
It is described to use the channel estimation results, the SSS is detected in the second time resource, including：
Using the channel estimation results, the SSS described in the second time resource repeated detection；
It is described to search for the PSS in the 4th time resource, including：
In the 4th time resource, the PSS is repeatedly searched for；
The PSS that the use is searched in the 4th time resource carries out channel estimation, and uses the channel of the channel estimation Estimated result detects the SSS in the 5th time resource, including：
Channel estimation is carried out using the PSS searched in the 4th time resource, and uses the channel of the channel estimation Estimated result, the SSS described in the 5th time resource repeated detection.
17. the method described in claim 16, which is characterized in that the first subframe of the frame is the 1st subframe of the frame, Second subframe of the frame is the 5th subframe of the frame；
The first time resource includes first of the 1st slot of the 1st subframe of the frame, third, the 5th and 7th OFDM symbol, second time resource include second of the 1st slot of the 1st subframe of the frame, the 4th With the 6th OFDM symbol, the third time resource includes all OFDM symbols of the 2nd slot of the 1st subframe of the frame Number, the 4th time resource includes first of the 1st slot of the 5th subframe of the frame, third, the 5th and the Seven OFDM symbols, the 5th time resource include second of the 1st slot of the 5th subframe of the frame, the 4th With the 6th OFDM symbol, the 6th time resource includes all OFDM symbols of the 2nd slot of the 5th subframe of the frame Number；
It is described repeatedly to search for the PSS in first time resource, including：
First of the 1st slot of the 1st subframe of the frame, third, the 5th and the 7th OFDM symbol, respectively Search for the PSS；
The use channel estimation results, the SSS described in the second time resource repeated detection, including：
Using the channel estimation results, at second, the 4th and the 6th of the 1st slot of the 1st subframe of the frame A OFDM symbol detects the SSS respectively；
It is described to search for the PSS in the 4th time resource, including：
First of the 1st slot of the 5th subframe of the frame, third, the 5th and the 7th OFDM symbol, respectively Search for the PSS；
The PSS that the use is searched in the 4th time resource carries out channel estimation, and uses the channel estimation Channel estimation results, the SSS described in the 5th time resource repeated detection, including：
It is searched using first of the 1st slot in the 5th subframe, third, the 5th and the 7th OFDM symbol The PSS carries out channel estimation, and using the channel estimation results of the channel estimation, at the 1st of the 5th subframe of the frame Second, the 4th and the 6th OFDM symbol of slot, detects the SSS respectively.
18. method as claimed in claim 14, which is characterized in that it is described to detect the PBCH signals in third time resource, Including：
In third time resource, PBCH signals described in mutiple antennas Port detecting are used；
It is described to detect the PBCH signals in the 6th time resource, including：
In the 6th time resource, PBCH signals described in mutiple antennas Port detecting are used.
19. method as claimed in claim 18, which is characterized in that described to be believed using PBCH described in mutiple antennas Port detecting Number, including：
Using mutiple antennas port, the PBCH signals are detected by way of space-frequency diversity or space and time diversity.
20. a kind of network side equipment, the transmission for synchronous access signal group, which is characterized in that the synchronous access signal group Include including primary synchronization signal PSS, subsynchronous signal SSS and Physical Broadcast Channel PBCH signals, the network side equipment：
First sending module, in first time resource and the second time resource, sending the PSS and the SSS respectively；
Second sending module, in third time resource, sending the PBCH signals, wherein the first time resource, institute It states the second time resource and the third time resource belongs to same frame, and the PBCH signals include the system-frame of the frame Number.
21. network side equipment as claimed in claim 20, which is characterized in that the PBCH signals include host system message block MIB, the MIB include the System Frame Number.
22. the network side equipment as described in claim 20 or 21, which is characterized in that the System Frame Number is complete system-frame Number.
23. network side equipment as claimed in claim 20, which is characterized in that the first time resource, second time Resource and the third time resource belong to the first subframe of the frame；
The network side equipment further includes：
Third sending module, in the 4th time resource and the 5th time resource, sending the PSS and the SSS respectively；
4th sending module, in the 6th time resource, sending the PBCH signals, wherein the 4th time resource, institute It states the 5th time resource and the 6th time resource belongs to the second subframe of the frame.
24. network side equipment as claimed in claim 23, which is characterized in that the first subframe of the frame is the 1 of the frame A subframe, the second subframe of the frame are the 5th subframe of the frame；
The first time resource includes the last one orthogonal frequency division multiplexing of the 1st slot s lot of the 1st subframe of the frame With OFDM symbol, second time resource includes the penultimate OFDM symbols of the 1st slot of the 1st subframe of the frame Number, the third time resource includes the first four OFDM symbol of the 2nd slot of the 1st subframe of the frame, and the described 4th Time resource includes the last one OFDM symbol of the 1st slot of the 5th subframe of the frame, the 5th time resource packet The penultimate OFDM symbol of the 1st slot of the 5th subframe of the frame is included, the 6th time resource includes the frame The 5th subframe second slot first four OFDM symbol.
25. network side equipment as claimed in claim 23, which is characterized in that first sending module is specifically used for the One time resource repeatedly sends the PSS, and the SSS is repeatedly sent in the second time resource；
The third sending module, it is multiple in the 5th time resource specifically for repeatedly sending the PSS in the 4th time resource Send the SSS.
26. network side equipment as claimed in claim 25, which is characterized in that the first subframe of the frame is the 1 of the frame A subframe, the second subframe of the frame are the 5th subframe of the frame；
The first time resource includes first of the 1st slot of the 1st subframe of the frame, third, the 5th and 7th OFDM symbol, second time resource include second of the 1st slot of the 1st subframe of the frame, the 4th With the 6th OFDM symbol, the third time resource includes all OFDM symbols of the 2nd slot of the 1st subframe of the frame Number, the 4th time resource includes first of the 1st slot of the 5th subframe of the frame, third, the 5th and the Seven OFDM symbols, the 5th time resource include second of the 1st slot of the 5th subframe of the frame, the 4th With the 6th OFDM symbol, the 6th time resource includes all OFDM symbols of the 2nd slot of the 5th subframe of the frame Number；
First sending module, be specifically used for first of the 1st slot of the 1st subframe of the frame, third, the Five and the 7th OFDM symbol, send the PSS respectively；
In second, the 4th and the 6th OFDM symbol of the 1st slot of the 1st subframe of the frame, institute is sent respectively State SSS；
The third sending module, be specifically used for first of the 1st slot of the 5th subframe of the frame, third, the Five and the 7th OFDM symbol, send the PSS respectively；
In second, the 4th and the 6th OFDM symbol of the 1st slot of the 5th subframe of the frame, institute is sent respectively State SSS.
27. network side equipment as claimed in claim 23, which is characterized in that second sending module is specifically used for the Three time resources send the PBCH signals using mutiple antennas port；
4th sending module, is specifically used in the 6th time resource, and the PBCH signals are sent using mutiple antennas port.
28. network side equipment as claimed in claim 27, which is characterized in that second sending module is specifically used for the Three time resources in the way of space-frequency diversity or space and time diversity, send the PBCH signals using mutiple antennas port；
4th sending module, is specifically used in the 6th time resource, using mutiple antennas port, using space-frequency diversity or The mode of space and time diversity sends the PBCH signals.
29. network side equipment as claimed in claim 28, which is characterized in that second sending module is specifically used for the Three time resources carry out precoding to multiple PBCH information symbols, and using mutiple antennas port, send pre-encoding results；
4th sending module, is specifically used in the 6th time resource, carries out precoding to multiple PBCH information symbols, and make With mutiple antennas port, pre-encoding results are sent.
30. a kind of user terminal, the reception for synchronous access signal group, which is characterized in that the synchronous access signal group packet Including primary synchronization signal PSS, subsynchronous signal SSS and Physical Broadcast Channel PBCH signals, the user terminal includes：
First search module, in first time resource, searching for the PSS；
Channel estimation module obtains channel estimation results for carrying out channel estimation using the PSS；
First detection module, for detecting the SSS in the second time resource using the channel estimation results；
Second detection module, in third time resource, detecting the PBCH signals, wherein the first time resource, institute It states the second time resource and the third time resource belongs to same frame；
Synchronization module, the System Frame Number for obtaining the frame that the PBCH signals include, and using the System Frame Number into Row frame synchronization.
31. user terminal as claimed in claim 30, which is characterized in that the PBCH signals include host system message block MIB, The MIB includes the System Frame Number；
The synchronization module, the MIB for including specifically for obtaining the PBCH signals, obtains the system from the MIB System frame number, and carry out frame synchronization using the System Frame Number.
32. the user terminal as described in claim 30 or 31, which is characterized in that the System Frame Number in the PBCH signals has been Whole System Frame Number.
33. user terminal as claimed in claim 30, which is characterized in that the first time resource, second time money Source and the third time resource belong to the first subframe of the frame；
The user terminal further includes：
Second search module, in the 4th time resource, searching for the PSS；
Third detection module for using the PSS searched in the 4th time resource to carry out channel estimation, and uses the letter The channel estimation results of road estimation detect the SSS in the 5th time resource；
4th detection module, in the 6th time resource, detecting the PBCH signals, wherein the 4th time resource, institute It states the 5th time resource and the 6th time resource belongs to the second subframe of the frame.
34. user terminal as claimed in claim 33, which is characterized in that the first subframe of the frame is the 1st of the frame Subframe, the second subframe of the frame are the 5th subframe of the frame；
The first time resource includes the last one orthogonal frequency division multiplexing of the 1st slot s lot of the 1st subframe of the frame With OFDM symbol, second time resource includes the penultimate OFDM symbols of the 1st slot of the 1st subframe of the frame Number, the third time resource includes the first four OFDM symbol of the 2nd slot of the 1st subframe of the frame, and the described 4th Time resource includes the last one OFDM symbol of the 1st slot of the 5th subframe of the frame, the 5th time resource packet The penultimate OFDM symbol of the 1st slot of the 5th subframe of the frame is included, the 6th time resource includes the frame The 5th subframe second slot first four OFDM symbol.
35. user terminal as claimed in claim 33, which is characterized in that first search module is specifically used for first Time resource repeatedly searches for the PSS；
The first detection module is specifically used for using the channel estimation results, described in the second time resource repeated detection SSS；
Second search module is specifically used for, in the 4th time resource, repeatedly searching for the PSS；
The third detection module is estimated specifically for using the PSS searched in the 4th time resource to carry out channel Meter, and using the channel estimation results of the channel estimation, the SSS described in the 5th time resource repeated detection.
36. user terminal as claimed in claim 35, which is characterized in that the first subframe of the frame is the 1st of the frame Subframe, the second subframe of the frame are the 5th subframe of the frame；
The first time resource includes first of the 1st slot of the 1st subframe of the frame, third, the 5th and 7th OFDM symbol, second time resource include second of the 1st slot of the 1st subframe of the frame, the 4th With the 6th OFDM symbol, the third time resource includes all OFDM symbols of the 2nd slot of the 1st subframe of the frame Number, the 4th time resource includes first of the 1st slot of the 5th subframe of the frame, third, the 5th and the Seven OFDM symbols, the 5th time resource include second of the 1st slot of the 5th subframe of the frame, the 4th With the 6th OFDM symbol, the 6th time resource includes all OFDM symbols of the 2nd slot of the 5th subframe of the frame Number；
First search module, be specifically used for first of the 1st slot of the 1st subframe of the frame, third, the Five and the 7th OFDM symbol, search for the PSS respectively；
The first detection module is specifically used for using the channel estimation results, at the 1st of the 1st subframe of the frame Second, the 4th and the 6th OFDM symbol of slot, detects the SSS respectively；
Second search module, be specifically used for first of the 1st slot of the 5th subframe of the frame, third, the Five and the 7th OFDM symbol, search for the PSS respectively；
The third detection module, be specifically used for using first of the 1st slot of the 5th subframe, third, the 5th Channel estimation is carried out with the PSS that the 7th OFDM symbol searches, and uses the channel estimation results of the channel estimation, Second, the 4th and the 6th OFDM symbol of 1st slot of the 5th subframe of the frame, detects the SSS respectively.
37. user terminal as claimed in claim 33, which is characterized in that second detection module is specifically used in third Time resource uses PBCH signals described in mutiple antennas Port detecting；
4th detection module is specifically used for, in the 6th time resource, using PBCH signals described in mutiple antennas Port detecting.
38. user terminal as claimed in claim 37, which is characterized in that second detection module is specifically used in third Time resource detects the PBCH signals using mutiple antennas port by way of space-frequency diversity or space and time diversity；
4th detection module, is specifically used in the 6th time resource, using mutiple antennas port, by space-frequency diversity or The mode of space and time diversity detects the PBCH signals.
39. a kind of Transmission system of synchronous access signal group, which is characterized in that including any one of such as claim 20 to 29 institute State network side equipment and the user terminal as described in any one of claim 30 to 38.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111866792A (en) * 2019-04-29 2020-10-30 大唐移动通信设备有限公司 Signal sending and receiving method and terminal

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101527595A (en) * 2008-03-07 2009-09-09 中兴通讯股份有限公司 Frame structure of time division duplex system and method for sending synchronous signals
CN105122715A (en) * 2013-04-05 2015-12-02 高通股份有限公司 Physical broadcast channel (PBCH) coverage enhancements for machine type communications (MTC)
CN105723639A (en) * 2013-11-27 2016-06-29 瑞典爱立信有限公司 Network node, wireless device, methods therein, for sending and detecting, respectively, synchronization signal and an associated information
WO2016203312A2 (en) * 2015-06-15 2016-12-22 Alcatel Lucent Methods and apparatuses for cell searching in an mmc network

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107852565B (en) * 2015-07-24 2021-01-12 苹果公司 Synchronization signal and channel structure for narrowband LTE deployment
CN106413107B (en) * 2015-07-28 2019-10-18 华为技术有限公司 A kind of control signal sending, receiving method and equipment
CN106507439B (en) * 2016-10-28 2019-12-10 宇龙计算机通信科技(深圳)有限公司 information transmission method, base station and terminal

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101527595A (en) * 2008-03-07 2009-09-09 中兴通讯股份有限公司 Frame structure of time division duplex system and method for sending synchronous signals
CN105122715A (en) * 2013-04-05 2015-12-02 高通股份有限公司 Physical broadcast channel (PBCH) coverage enhancements for machine type communications (MTC)
CN105723639A (en) * 2013-11-27 2016-06-29 瑞典爱立信有限公司 Network node, wireless device, methods therein, for sending and detecting, respectively, synchronization signal and an associated information
WO2016203312A2 (en) * 2015-06-15 2016-12-22 Alcatel Lucent Methods and apparatuses for cell searching in an mmc network

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111866792A (en) * 2019-04-29 2020-10-30 大唐移动通信设备有限公司 Signal sending and receiving method and terminal

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