CN108260181A

CN108260181A - A kind of transmission method, network side equipment and the user terminal of synchronous access block

Info

Publication number: CN108260181A
Application number: CN201611243970.XA
Authority: CN
Inventors: 李建军
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2016-12-29
Filing date: 2016-12-29
Publication date: 2018-07-06
Anticipated expiration: 2036-12-29
Also published as: WO2018120833A1; CN108260181B

Abstract

The present invention a kind of transmission method, network side equipment and the user terminal of synchronous access block, this method include：Obtain synchronous access signal set, the synchronous access signal set includes multiple synchronous access blocks, each synchronous access block includes PSS, SSS and PBCH signal, each PBCH signals include MIB, the MIB includes serial number information, and the serial number information is used to represent the synchronous serial number for accessing block in the synchronous access signal set where the MIB；Using different wave beams, the different synchronous access blocks in the synchronous access signal set are sent in resource in different times respectively.It can realize in this way and user terminal is allowed to carry out time synchronization using the serial number information of synchronous access signal.The embodiment of the present invention can improve the accuracy of time synchronization.

Description

A kind of transmission method, network side equipment and the user terminal of synchronous access block

Technical field

The present invention relates to fields of communication technology more particularly to a kind of transmission method, the network side of synchronous access block to set Standby and user terminal.

Background technology

Millimeter wave band (6-100GHz) is concerned due to its frequency spectrum resource enriches the advantages of wide with conveyor at present, Have become future communication systems (such as：5G) the indispensable technology of standard.However, the prominent shortcoming of one of millimeter-wave technology is road Diameter loss is very big, moreover, as frequency is higher, path loss is bigger, and the narrow beam of millimeter wave band is in this way resulted in cover Cover area very little.

In existing communication system, base station by identical synchronous access signal in different times using different wave beams into Row repeats to send, the different region of different wave covers, so as to fulfill broadcast capability, is expanded the coverage area with realizing.But mesh In preceding communication system, synchronous access signal is only sent successively in chronological order, may result in the time of user terminal in this way Synchronous accuracy is poor.

Invention content

The embodiment of the present invention provides a kind of transmission method, network side equipment and the user terminal of synchronous access block, with Solve the problems, such as that the accuracy of time synchronization is poor.

In a first aspect, the embodiment of the present invention provides a kind of transmission method of synchronous access block, including：

It obtains and synchronizes access signal set, the synchronous access signal set includes multiple synchronizations and accesses blocks, each Synchronous access block includes primary synchronization signal (PSS, Primary Synchronization Signal), subsynchronous signal (SSS, Secondary Synchronization Signal) and Physical Broadcast Channel (PBCH, Physical Broadcast Channel) signal, each PBCH signals include Master Information Block (MIB, Master Information Block), the MIB packets Serial number information is included, the synchronous access block that the serial number information is used for where representing the MIB accesses signal in the synchronization Serial number in set；

Using different wave beams, the difference in the synchronous access signal set is sent in resource in different times respectively Synchronous access block.

Second aspect, the embodiment of the present invention provide a kind of transmission method of synchronous access block, which is characterized in that packet It includes：

The different synchronous access blocks in synchronous access signal set are searched in resource in different times, it is described same Each synchronous access block in step access signal set includes PSS, SSS and PBCH signal, and each PBCH signals include MIB, the MIB include serial number information, the serial number information be used to represent synchronous access block where the MIB it is same Serial number in step access signal set；

In the synchronous access block in searching the synchronous access signal set, to the synchronous access letter searched PBCH signals demodulation number in the block, obtains MIB；

Serial number information is obtained in the MIB obtained from demodulation, and time synchronization is carried out using the serial number information.

The third aspect, the embodiment of the present invention provide a kind of network side equipment, including：

Acquisition module, for obtaining synchronous access signal set, the synchronous access signal set connects including multiple synchronize Enter block, each synchronous access block includes PSS, SSS and PBCH signal, and each PBCH signals include MIB, the MIB Including serial number information, the synchronous access block that the serial number information is used for where representing the MIB accesses letter in the synchronization Number set in serial number；

Sending module for using different wave beams, sends the synchronous access letter in different times respectively in resource Different synchronous access blocks in number set.

Fourth aspect, the embodiment of the present invention provide a kind of user terminal, which is characterized in that including：

Search module, for searching for synchronous access block on time resource, the synchronous access block includes PSS, SSS and PBCH signal, each PBCH signals include Master Information Block MIB, the MIB and include serial number information, the serial number letter Cease for represent the synchronous access block where the MIB synchronous access signal set in serial number；

Demodulation module for being demodulated to the PBCH signals, obtains MIB；

Synchronization module, the serial number information for being included using the MIB carry out time synchronization.

In this way, in the embodiment of the present invention, synchronous access signal set is obtained, the synchronous access signal set includes multiple Synchronous access block, each synchronous access block include PSS, SSS and PBCH signal, and each PBCH signals include MIB, institute It states MIB and includes serial number information, the synchronous access block that the serial number information is used for where representing the MIB connects in described synchronize Enter the serial number in signal set；Using different wave beams, the synchronous access signal is sent in resource in different times respectively Different synchronous access blocks in set.It can realize in this way and user terminal is allowed to use the synchronous serial number information for accessing signal Time synchronization is carried out, so as to improve the accuracy of time synchronization.

Description of the drawings

In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, For those of ordinary skill in the art, without having to pay creative labor, it can also be obtained according to these attached drawings Obtain other attached drawings.

Fig. 1 is a kind of applicable structure chart of the Transmission system of synchronous access signal group of the embodiment of the present invention；

Fig. 2 is the flow chart of the transmission method of a kind of synchronous access block that first embodiment of the invention provides；

Fig. 3 is the flow chart of the transmission method of a kind of synchronous access block that second embodiment of the invention provides；

Fig. 4 is one of transmission schematic diagram in the synchronous access block that second embodiment of the invention provides；

Fig. 5 is two of the transmission schematic diagram in the synchronous access block that second embodiment of the invention provides；

Fig. 6 is three of the transmission schematic diagram in the synchronous access block that second embodiment of the invention provides；

Fig. 7 is four of the transmission schematic diagram in the synchronous access block that second embodiment of the invention provides；

Fig. 8 is five of the transmission schematic diagram in the synchronous access block that second embodiment of the invention provides；

Fig. 9 is six of the transmission schematic diagram in the synchronous access block that second embodiment of the invention provides；

Figure 10 is the flow chart of the transmission method of a kind of synchronous access signal group that third embodiment of the invention provides；

Figure 11 is one of structure chart of network side equipment that fourth embodiment of the invention provides；

Figure 12 is the two of the structure chart for the network side equipment that fourth embodiment of the invention provides；

Figure 13 is one of structure chart of user terminal that fifth embodiment of the invention provides；

Figure 14 is the two of the structure chart for the user terminal that fifth embodiment of the invention provides；

Figure 15 is the structure chart for the network side equipment that sixth embodiment of the invention provides；

Figure 16 is the structure chart for the user terminal that seventh embodiment of the invention provides.

Specific embodiment

Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without creative efforts Example, shall fall within the protection scope of the present invention.

Referring to Fig. 1, Fig. 1 is a kind of applicable structure of the Transmission system of synchronous access block of the embodiment of the present invention Figure, as shown in Figure 1, including user terminal 11 and network side equipment 12, wherein, user terminal 11 can be UE (User Equipment), such as：Can be mobile phone, tablet computer (Tablet Personal Computer), laptop computer (Laptop Computer), personal digital assistant (personal digital assistant, abbreviation PDA), mobile Internet access dress The terminal side equipments such as (Mobile Internet Device, MID) or wearable device (Wearable Device) are put, are needed It is noted that the concrete type of user terminal 11 is not limited in embodiments of the present invention.User terminal 11 can be with network Side apparatus 12 establishes communication, wherein, it is logical that the network in attached drawing can represent that user terminal 11 is wirelessly established with network side equipment 12 Letter, network side equipment 12 can be transmission receiving point (TRP, Transmission Reception Point) or can be Base station, base station can be macro stations, such as LTE eNB, 5G NR NB.Or network side equipment 12 can be access point (AP, access point)。

It should be noted that the concrete type of network side equipment 12, user terminal are not limited in embodiments of the present invention 11 and the concrete function of network side equipment 12 will be specifically described by following multiple embodiments.

First embodiment

Referring to Fig. 2, Fig. 2 is a kind of flow chart of the transmission method of synchronous access block provided in an embodiment of the present invention, As shown in Fig. 2, include the following steps：

Step 201 obtains to synchronize and accesses signal set, and the synchronous access signal set includes multiple synchronization access signals Block, each synchronous access block include PSS, SSS and PBCH signal, and each PBCH signals include MIB, and the MIB includes sequence Number information, the serial number information are used to representing synchronous access block where the MIB in the synchronous access signal set In serial number.

In the embodiment of the present invention, what above-mentioned synchronous access signal set (SS burst) included synchronizes access block (SS Block quantity) can be less than or equal to the subframe included in a frame quantity and can also be more than a frame in include Subframe quantity；It can either be less than or the quantity of time slot (slot) that includes equal to a frame and can also be big In the quantity of slot, this embodiment of the present invention is not construed as limiting.

In addition, in the embodiment of the present invention, each synchronous access block in step 201 can be understood as synchronous access letter Any one synchronous access block in number set, i.e., in the embodiment of the present invention, arbitrary synchronous access block include PSS, SSS and PBCH signals, and each PBCH signals can include this together including the MIB in MIB and each synchronous access block Step access block is in the synchronous serial number accessed in signal set.

Wherein, it can be that network side equipment generates or network side equipment connects that above-mentioned acquisition, which synchronizes access signal set, It receives what other equipment was sent, this embodiment of the present invention is not construed as limiting.

Step 202, using different wave beams, send the synchronous access signal set in resource in different times respectively In different synchronous access blocks.

In step 202 using different wave beams, send the synchronous access letter in resource in different times respectively Different synchronous access blocks in number set can be, be sent on different time resources using different wave beams different Synchronous access block.

Such as：It is respectively 1,2,3,4 synchronous with 5 to access blocks, and network that synchronous access signal set, which includes serial number, Side apparatus includes the wave beam that serial number is respectively 1,2,3,4 and 5.So as to which step 202 can be that wave beam is used on time resource 1 1 sends synchronous access block 1, sends synchronous access block 2 using wave beam 2 on time resource 2, does not arrange one by one herein Go out.It can realize that different synchronous access blocks is sent using different wave beams in this way, covering for network side equipment can be improved Lid range.In addition, due to different synchronous access blocks sent using different time resources so that it is convenient to user terminal into Row time synchronization, to improve time synchronization accuracy.

In addition, in the embodiment of the present invention, synchronous access signal may also be referred to as initial access signal, i.e., synchronous access signal Block can be referred to as initial access signal block again, and synchronous access signal set can be referred to as initial access signal set again.

It should be noted that the wave beam used in the embodiment of the present invention can be the narrow beam of millimeter wave band.In addition, this It can be applied to extensive multiple-input and multiple-output (MIMO, Multiple-Input Multiple-Out- in inventive embodiments Put) system can also be applied to global system for mobile communications (GSM, Global System for Mobile Communication) millimeter wave band application scene and CDMA (CDMA, Code can also be applied to Division Multiple Access) scene applied in millimeter wave band of technology.And this hair in GSM CDMA scenes In bright embodiment, different subcarriers can also use different wave beams, be sent in resource in different times respectively described more A synchronous access block, expands the covering of cell so as to fulfill beam scanning.

The above method can be applied to the network side equipment in network structure shown in FIG. 1.

Second embodiment

Referring to Fig. 3, Fig. 3 is the flow of the transmission method of another synchronous access block provided in an embodiment of the present invention Figure, as shown in figure 3, including the following steps：

Step 301, generation synchronize access signal set, and the synchronous access signal set includes multiple synchronizations and accesses signals Block, each synchronous access block include PSS, SSS and PBCH signal, and each PBCH signals include MIB, and the MIB includes sequence Number information, the serial number information are used to representing synchronous access block where the MIB in the synchronous access signal set In serial number.

Wherein, synchronous access signal set may refer to the respective description of first embodiment, not repeat herein, and can be with Reach identical advantageous effect.

It should be noted that the synchronous access signal set of step 301 generation, is optional in the present embodiment, you can with It is interpreted as generating the restriction for synchronizing that access signal set is the synchronous access signal set to acquisition, thus in the present embodiment, step 301 can obtain the synchronous access signal set for including multiple synchronous access blocks.

Step 302, using different wave beams, send the synchronous access signal set in resource in different times respectively In different synchronous access blocks.

Wherein, the transmission of step 302 may refer to the respective description of first embodiment, not repeat herein, and can reach To identical advantageous effect.

As an alternative embodiment, in the embodiment of the present invention, the difference is sent in resource in different times Different synchronous access blocks in the synchronous access signal set, including：

By the predeterminated position in each time resource, synchronous access signal corresponding with the time resource is sent respectively PSS, SSS and PBCH signal included by block.

Wherein, above-mentioned predeterminated position can be default orthogonal frequency division multiplexi (Orthogonal Frequency Division Multiplexing, OFDM) symbol.

Since PSS, SSS and PBCH signal are sent using predeterminated position, then, user terminal can be got in advance PSS, SSS and PBCH signal use predeterminated position, the predeterminated position in each time resource, and search respectively is provided with the time PSS, SSS and PBCH signal included by the corresponding synchronous access block in source.Such as：Preset OFDM symbol is connecing in this way When receiving synchronous access block, it is possible to directly using the predeterminated position used at least one of in PSS, SSS and PBCH, carry out Time synchronization, to improve the accuracy of time synchronization and performance, such as：When above-mentioned predeterminated position is default OFDM symbol, so that it may To realize the synchronization of OFDM symbol, to further improve the accuracy of time synchronization and performance.Such as：User terminal can synchronize The position of at least one in the serial number information of block and the PSS, the SSS and the PBCH is accessed, carries out time synchronization, Carry out time synchronization.I.e. by serial number information, synchronization of the time resource in frame can be realized, and pass through the PSS, described The position of OFDM symbol used at least one of in the SSS and PBCH, it is possible to determine the synchronization of time resource internal symbol.

And above-mentioned predeterminated position can be that network side equipment is pre-configured with to user terminal or user terminal and network Pre-defined in side apparatus consults in advance or agreement etc., this embodiment of the present invention is not construed as limiting.

Optionally, in the above embodiment, the predeterminated position by each time resource, respectively send with it is described PSS, SSS and PBCH signal included by the corresponding synchronous access block of time resource, including：

By the initial position in each time resource and end position, send twice corresponding with the time resource same PSS and SSS included by step access block；By the centre position in each time resource, send and the time resource PBCH signals included by corresponding synchronous access block.

It can realize that starting and ending position sends PSS and SSS, and sends twice in time resource in this way, so as to use Family terminal can be searched for corresponding synchronous with the time resource in the initial position in each time resource and end position Access the PSS and SSS included by block；And the centre position in each time resource, search and the time resource PBCH signals included by corresponding synchronous access block, later, it is possible to be accurately determined starting and the knot of time resource Beam position, to realize precise synchronization.In addition, it can be in starting and ending position that above-mentioned PBCH signals are sent using centre position Between one or more OFDM symbol send PBCH signals.

Optionally, in the embodiment, the initial position and end position by each time resource is sent out twice The PSS and SSS included by synchronous access block corresponding with the time resource are sent, including：

By first OFDM symbol and penultimate OFDM symbol in each time resource, repeat to send with it is described when Between PSS included by the corresponding synchronous access block of resource；By second OFDM symbol in each time resource and finally One OFDM symbol repeats to send the SSS included by synchronous access block corresponding with the time resource；

Alternatively,

By first OFDM symbol and penultimate OFDM symbol in each time resource, repeat to send with it is described when Between SSS included by the corresponding synchronous access block of resource；By second OFDM symbol in each time resource and finally One OFDM symbol repeats to send the PSS included by synchronous access block corresponding with the time resource.

In the embodiment, accorded with by first and the second OFDM symbol and the last one and penultimate OFDM Number send PSS and SSS, can realize in this way user terminal can in each time resource first OFDM symbol and reciprocal the Two OFDM symbols search for the PSS included by synchronous access block corresponding with the time resource；In each time resource Interior second OFDM symbol and the last one OFDM symbol, search synchronous access block corresponding with the time resource are wrapped The SSS included；Alternatively, first OFDM symbol and penultimate OFDM symbol in each time resource, when searching for and be described Between SSS included by the corresponding synchronous access block of resource；In each time resource second OFDM symbol and last A OFDM symbol searches for the PSS included by synchronous access block corresponding with the time resource.User terminal is searching PSS can realize that OFDM's is synchronous in time with SSS, to solve the problems, such as the time ambiguity in a subframe.

In preset initial sending time, first synchronous access signal in the synchronous access signal set is sent Block.

Since in preset initial sending time, first sent in the synchronous access signal set synchronizes access letter Number block, such user terminal can search for first in the synchronous access signal set in preset initial sending time A synchronous access block.When the serial number informations that include of MIB that user terminal obtains, it is possible to use the serial number information and described Initial sending time carries out time synchronization, same to improve the time to be accurately determined the time resource of each synchronous access block The accuracy of step.

In addition, it is necessary to explanation, due in preset initial sending time, the transmission synchronous access signal set First synchronous access block, can thus greatly reduce the valuable signaling overheads of MIB.Improve system Overall performance.

Optionally, in the embodiment, when the time resource is subframe, the initial sending time is default in frame Subframe；When the time resource is slot s lot, the initial sending time is the default slot in frame.

Wherein, above-mentioned default subframe can be that the position in frame is pre-set, such as：Network side equipment is advance It sets and tells the either network side equipment of user terminal and user terminal consults in advance or is set in advance in agreement It has been put that, such as the second subframe in first subframe in frame either frame or the last one subframe in frame.So as to user Terminal is assured that position of the upper each subframe in frame by MIB, to improve the accuracy of synchronization time.

Similarly, above-mentioned default slot can be that the position in frame is pre-set, such as：Network side equipment is advance It sets and tells the either network side equipment of user terminal and user terminal consults in advance or is set in advance in agreement It has been put that, such as the last one slot in the 2nd slot or frame in first slot in frame either frame.So as to user Terminal is assured that the position for receiving synchronous access block slot in frame by MIB, to improve the essence of synchronization time Exactness.

Preferential, when the time resource is subframe, the initial sending time is first subframe in frame；When described Between resource when being slot, the initial sending time is in first subframe in first slot or frame in frame slot。

Since the initial sending time is first subframe in frame or initial sending time is first in frame The slot in first subframe in slot or frame, serial number information of such user terminal in MIB is got, it is possible to side Just time synchronization, is quickly carried out, to improve the efficiency of time synchronization.

It should be noted that in the embodiment of the present invention, above-mentioned offer in preset initial sending time, send described same First synchronous access embodiment of block and being provided by each time for above-mentioned offer in step access signal set Predeterminated position in source, respectively send with the time resource it is corresponding it is synchronous access block included by PSS, SSS and PBCH signals, both embodiments can be combined with each other realization.

Such as：For the initial sending time is first subframe in frame, synchronous access signal set (SS Sending burst) can be with as shown in figure 4, first synchronous access signal of synchronous access signal set uses first subframe It sends, the serial number 1 of synchronous access block (SS block) which sends.And synchronous access signal is shown in Fig. 4 Transmission signal in block, as shown in figure 4, first OFDM symbol in subframe sends PSS, second OFDM symbol sends SSS, For third to the 9th OFDM symbol transmission data (data), the tenth to the 12nd sends PBCH signals, penultimate OFDM Symbol sends PSS, and a nearest symbol sends SSS.Certainly, only it is the signal of a synchronous access block in Fig. 4, remaining is same Step access block can use identical embodiment.The information field of MIB can be as shown in table 1 in this way：

Table 1：

Wherein, above-mentioned synchronous access signal set index can be the serial number information of synchronous access block.

After user terminal receives mib information in this way, current frame number information can be obtained by System Frame Number, is realized The synchronization of this level-one of frame.And the serial number (subframe index) of subframe current in frame can be obtained by following calculating：

Subframe index=mod (SS block index, 10)

That is, synchronous access signal set index divided by 10 remainder are exactly the serial number of current subframe, with realize subframe this The synchronization of grade.And in subframe OFDM symbol synchronization, can be used by PSS, SSS and PBCH signal of above-mentioned offer default The embodiment that OFDM symbol is sent, the fixation that user terminal is allowed to be used by least one in PSS, SSS and PBCH signal OFDM symbol position determines, so as to fulfill the synchronization of this level-one of OFDM symbol, and then realizes accurate synchronization in user terminal.

Such as：For the initial sending time is first slot in frame, the transmission of synchronous access signal set can With such as Fig. 5 (artwork 6) Suo Shi, the initial sending time of synchronous access signal set is first slot, which sends same The serial number 1 of step access block.And the synchronous access block of the transmission of slot0 to slot11 in frame, and slot12 is extremely Slot19 transmits data.And the transmission signal in synchronous access block is shown in Fig. 5, as shown in figure 5, first in slot A OFDM symbol sends PSS, and second OFDM symbol sends SSS, third to the 5th transmission PBCH signal, penultimate OFDM symbol sends PSS, and a nearest symbol sends SSS.Certainly, only it is the signal of a synchronous access block in Fig. 5, Remaining synchronous access block can use identical embodiment.The information field of MIB can be as shown in table 2 in this way：

Table 2：

After user terminal receives mib information in this way, it can be worked as by System Frame Number (system Frame Number) Preceding frame number information realizes the synchronization of this level-one of frame.And the serial number (slot index) of slot current in frame can pass through Following calculating obtains：

Slot index=mod (SS block index, 20)

That is, synchronous access signal set index (SS block index) divided by 20 remainder are exactly the sequence of current slot Number, to realize the synchronization of this level-one of slot.And can also be according to the relationship between subframe and slot, the serial number of current subframe can be with It obtains in the following way：

Subframe index=slot Index/2

To realize the synchronization of this level-one of subframe.In addition in slot OFDM symbol synchronization, above-mentioned offer can be provided The embodiment that PSS, SSS and PBCH signal are sent using default OFDM symbol, allows user terminal to believe by PSS, SSS and PBCH The fixed OFDM character position that uses at least one of in number determines, so as to fulfill the synchronization of this level-one of OFDM symbol, Jin Er User terminal realizes accurate synchronization.

By the default slot in subframe, synchronous access block corresponding with the subframe is sent；

The method, further includes：Data are transmitted by other slot in the subframe.

It can realize that each subframe only uses default slot and carries out time synchronization, other slot transmission data, user's end in this way Hold the just default slot in subframe, search synchronous access block corresponding with the subframe；And in the subframe Other slot receive data.It can realize that transmission data and the OFDM symbol of synchronous access block are continuous in this way, in this way User terminal does not need to carry out frequent switching between data and synchronous access block receiving when receiving, so as to less hair The complexity sent and received improves the performance of user terminal.

Optionally, in the embodiment, default slot in the subframe be first slot in the subframe or Second slot.

Similarly, in the embodiment, can be combined with each other realization with the above embodiment, can allow user terminal so more To carry out more accurate time synchronization, to improve time synchronization performance.

Such as：By taking the initial sending time in synchronous access signal set is first subframe in frame as an example, synchronous access The transmission of signal set can be as shown in Fig. 6 (artwork 8), and first synchronous access block of synchronous access signal set is the Second slot of one subframe is sent, the serial number 1 of synchronous access block which sends.And it is shown in Fig. 6 same Transmission signal in step access block, as shown in fig. 6, first slot transmission data in subframe, in second slot First OFDM symbol sends PSS, and second OFDM symbol sends SSS, and third is second from the bottom to the 5th transmission PBCH signal A OFDM symbol sends PSS, and a nearest symbol sends SSS.Certainly, only it is the signal of a synchronous access block in Fig. 6, Remaining, which synchronizes access block, can use identical embodiment.The information field of MIB can be as shown in table 3 in this way：

Table 3：

After user terminal receives mib information in this way, it can be worked as by System Frame Number (system Frame Number) Preceding frame number information realizes the synchronization of this level-one of frame.And the serial number of subframe current in frame can be obtained by following calculating ：

Subframe index=mod (SS block index, 10)

That is, synchronous access signal set index (SS block index) divided by 10 remainder are exactly the sequence of current subframe Number, to realize the synchronization of this level-one of subframe.And slot serial numbers can then be obtained by sub-frame number, because of the synchronous access letter of transmission The slot of number block is predeterminated position slot in subframe, such as：Default slot is second slot in subframe, and user terminal meter The current subframe serial number 1 arrived, then, it is possible to determine the serial number 1 (serial number 0 of first slot) of current slot. In addition in slot OFDM symbol synchronization, PSS, SSS and PBCH signal of above-mentioned offer can be provided and use default OFDM symbol The embodiment of transmission, the fixed OFDM sign bit that user terminal is allowed to be used by least one in PSS, SSS and PBCH signal It puts to determine, so as to fulfill the synchronization of this level-one of OFDM symbol, and then accurate synchronization is realized in user terminal.

In another example：It is sent with any position of first synchronous access block in frame in synchronous access signal set For, MIB includes serial number information of the synchronous access block in synchronous access signal set.It is synchronous as shown in Fig. 7 (artwork 9) First synchronous access block for accessing signal set is sent for the 2nd slot of the 9th subframe of a frame, and synchronizes access letter Structure shown in fig. 6 may be used in the structure of number block.The information field of MIB can be as shown in table 4 in this way：

Table 4：

Wherein, the initial subframe index that sends in synchronous access signal set can be understood as in synchronous access signal set The initial location information for sending subframe in frame, i.e., what first synchronous access block of synchronous access signal set used The location information of subframe.

After mobile client receives mib information, it can be worked as by System Frame Number (system Frame Number) r Preceding frame number information realizes the synchronization of this level-one of frame.And the serial number of subframe current in frame can be obtained by following calculating ：

Subframe index=mod (SS block index+SS Burst starting subframe index, 10)

That is, synchronous access signal set index (SS block index) originates plus first in synchronous access signal set Send subframe index (SS Burst starting subframe index) divided by 10 remainder be exactly current subframe serial number, with Realize the synchronization of this level-one of subframe.And slot serial numbers can then be obtained by sub-frame number, because of the synchronous access block of transmission Slot be predeterminated position slot in subframe, such as：Default slot is second slot in subframe, and user terminal calculating is arrived Current subframe serial number 1, then, it is possible to determine the serial number 1 (serial number 0 of first slot) of current slot.In addition The synchronization of OFDM symbol in slot can be sent by PSS, SSS and PBCH signal of above-mentioned offer using default OFDM symbol Embodiment, allow user terminal by the fixed OFDM character position that uses at least one of in PSS, SSS and PBCH signal come It determines, so as to fulfill the synchronization of this level-one of OFDM symbol, and then accurate synchronization is realized in user terminal.

As an alternative embodiment, the MIB includes sending the in the synchronous access signal set The location information of the time resource of one synchronous access block.

In the embodiment, since the MIB includes sending first in the synchronous access signal set together The location information of the time resource of step access block, such user terminal can use the serial number information and institute that MIB includes It states location information and carries out time synchronization, to improve the accuracy of time synchronization.And above-mentioned first synchronous access block when Between resource can be any position, increase the flexibility of time synchronization in this way.

Preferential, the time for being used to send first synchronous access block in the synchronous access signal set The location information of resource, particularly for the son for sending first synchronous access block in the synchronous access signal set The serial number of frame or slot in frame.

In the embodiment, above-mentioned location information is the serial number of subframe or slot in frame, thus facilitates user terminal The subframe for receiving synchronous access block or the serial number of slot are calculated, quickly and easily to realize time synchronization.

It should be noted that in the embodiment of the present invention, the MIB of above-mentioned offer includes sending the synchronous access signal First synchronous access embodiment of location information of time resource of block and passing through for above-mentioned offer in set Predeterminated position in each time resource is sent respectively included by synchronous access block corresponding with the time resource PSS, SSS and PBCH signal, both embodiments can be combined with each other realization.

Such as：It is sent with any position of first synchronous access block in frame in synchronous access signal set and is Example, i.e. MIB include the corresponding synchronous serial number information for accessing block in the synchronous access signal set.Such as Fig. 8 (artwork 2) Shown, first synchronous access block of synchronous access signal set is sent for the subframe 9 in a frame, and synchronizes access signal Structure shown in Fig. 4 may be used in the structure of block.The information field of MIB in this way is with regard to as shown in table 5：

Table 5：

In this way after user terminal receives mib information, it can be obtained by System Frame Number (system Frame Number) Obtain frame number information currently.Realize the synchronization of this level-one of frame.And the serial number of subframe current in frame can pass through following meter It calculates and obtains：

Subframe index=mod (SS block index+SS Burst starting subframe index, 10)

That is, synchronous access signal set index (SS block index) originates plus first in synchronous access signal set Send subframe index (SS Burst starting subframe index) divided by 10 remainder be exactly current subframe serial number.Son In frame OFDM symbol synchronize can by the default OFDM symbol position that uses at least one of in PSS, SSS and PBCH signal come It determines, so as to fulfill the synchronization of this level-one of OFDM symbol, and then accurate synchronization is realized in user terminal.

In another example：Using any position of first synchronous access block in frame in synchronous access signal set as Example, MIB include the synchronous serial number information for accessing block in the synchronous access signal set.Such as Fig. 9 (artwork 7) institute Show, the initial slot that sends of synchronous access signal set is the slot18 in a frame, and the structure for synchronizing access block can be with Using structure shown in fig. 5.The information field of MIB in this way is with regard to as shown in table 5：

Table 5：

Wherein, the initial slot indexes that send in synchronous access signal set can be understood as in synchronous access signal set The initial location information for sending slot in frame, i.e., what first synchronous access block of synchronous access signal set used The location information of slot.

After user terminal receives mib information in this way, it can be worked as by System Frame Number (system Frame Number) Preceding frame number information realizes the synchronization of this level-one of frame.And the serial number of slot current in frame can be obtained by following calculating ：

Slot index=mod (SS block index+SS Burst starting slot index, 20)

That is, synchronous access signal set index (SS block index) originates plus first in synchronous access signal set Send slot indexes (SS Burst starting slot index) divided by 20 remainder be exactly current slot serial number, to realize The synchronization of this level-one of slot.

And it can also in the following way be obtained according to the relationship between subframe and slot, the serial number of current subframe：

Subframe index=slot Index/2

To realize the synchronization of this level-one of subframe.And synchronizing for OFDM symbol can be believed by PSS, SSS and PBCH in slot The default OFDM symbol position that uses at least one of in number determines, so as to fulfill the synchronization of this level-one of OFDM symbol, Jin Er User terminal realizes accurate synchronization.

3rd embodiment

Referring to Figure 10, Figure 10 is the flow of the transmission method of another synchronous access block provided in an embodiment of the present invention Figure, as shown in Figure 10, includes the following steps：

Step 1001, the in different times different synchronous access signals in resource in the synchronous access signal set of search Block, the synchronous each synchronous access block accessed in signal set include PSS, SSS and PBCH signal, and each PBCH believes Number include Master Information Block MIB, the MIB includes serial number information, and the serial number information is used to representing that synchronizing where the MIB to connect Enter block synchronous access signal set in serial number.

Wherein, step 1001 can be that user terminal searches for different synchronous access blocks in multiple time resources, when When searching synchronous access signal PSS SSS in the block, determine that transmission has synchronous access block on the time resource, And then the other information of synchronous access block is obtained on the time resource, such as：PBCH signals.In addition, in the present embodiment, together Step access block may refer to the respective description of first embodiment and second embodiment, not repeat herein, and can reach Identical advantageous effect.

Step 1002, in the synchronous access block in searching the synchronous access signal set, to what is searched Synchronous access signal PBCH signals demodulation in the block, obtains MIB.

Wherein, MIB may refer to the respective description of first embodiment and second embodiment, not repeat herein, and can be with Reach identical advantageous effect.

Step 1003 obtains serial number information, and same using the serial number information progress time from the MIB that demodulation obtains Step.

Wherein, the respective description of first embodiment and second embodiment is may refer to about time synchronization, is not gone to live in the household of one's in-laws on getting married herein It states, and identical advantageous effect can be reached.

Optionally, the different synchronous access letters in synchronous access signal set are searched in the resource in different times Number block, including：

Predeterminated position in each time resource searches for synchronous access block corresponding with the time resource respectively Included PSS, SSS and PBCH signal；

It is described to carry out time synchronization using the serial number information, including：

Using the position at least one of in the serial number information and the PSS, the SSS and the PBCH, during progress Between it is synchronous.

Wherein, can join about the position and corresponding time synchronization at least one of in PSS, the SSS and the PBCH See the respective description of first embodiment and second embodiment, do not repeat herein, and identical advantageous effect can be reached.

Optionally, the predeterminated position in each time resource is searched for corresponding with the time resource same respectively PSS, SSS and PBCH signal included by step access block, including：

Initial position and end position in each time resource, search synchronous access corresponding with the time resource PSS and SSS included by block；Centre position in each time resource is searched for corresponding with the time resource same PBCH signals included by step access block.

Wherein, the position about PSS, the SSS and the PBCH may refer to first embodiment and second embodiment Respective description does not repeat herein, and can reach identical advantageous effect.

Optionally, the initial position and end position in each time resource, search and the time resource pair The PSS and SSS included by synchronous access block answered, including：

First orthogonal frequency division multiplex OFDM symbol and penultimate OFDM symbol in each time resource, search with PSS included by the corresponding synchronous access block of the time resource；In each time resource second OFDM symbol and The last one OFDM symbol searches for the SSS included by synchronous access block corresponding with the time resource；

Alternatively,

First OFDM symbol and penultimate OFDM symbol in each time resource, search and the time resource SSS included by corresponding synchronous access block；Second OFDM symbol and the last one OFDM in each time resource Symbol searches for the PSS included by synchronous access block corresponding with the time resource.

In preset initial sending time, first synchronous access signal in the synchronous access signal set is searched for Block；

Time synchronization is carried out using the serial number information and the initial sending time.

Wherein, initial sending time and corresponding time synchronization may refer to the corresponding of first embodiment and second embodiment Illustrate, do not repeat herein, and identical advantageous effect can be reached.

Optionally, the initial sending time is the default subframe in frame when the time resource is subframe；The time When resource is slot s lot, the initial sending time is the default slot in frame.

Wherein, the time resource of the embodiment may refer to the respective description of first embodiment and second embodiment, this Place does not repeat, and can reach identical advantageous effect.

Optionally, when the time resource is subframe, the initial sending time is first subframe in frame；When described Between resource when being slot, the initial sending time is in first subframe in first slot or frame in frame slot。

Default slot in subframe, search synchronous access block corresponding with the subframe；

The method, further includes：

Other slot in the subframe receive data.

Wherein, which may refer to the respective description of first embodiment and second embodiment, not repeat herein, And identical advantageous effect can be reached.

Optionally, the default slot in the subframe is first slot or second slot in the subframe.

Optionally, the MIB includes sending first synchronous access signal in the synchronous access signal set The location information of the time resource of block；

The serial number information included using the MIB carries out time synchronization, including：

Time synchronization is carried out using the MIB serial number informations included and the location information.

Optionally, the time for being used to send first synchronous access block in the synchronous access signal set The location information of resource, particularly for the son for sending first synchronous access block in the synchronous access signal set The serial number of frame or slot in frame.

In the embodiment of the present invention, different the synchronizing searched in resource in different times in synchronous access signal set connects Enter block, the synchronous each synchronous access block accessed in signal set includes PSS, SSS and PBCH signal, each PBCH signals include Master Information Block MIB, and the MIB includes serial number information, and the serial number information is where for representing the MIB Synchronous access block synchronous access signal set in serial number；It is same in the synchronous access signal set is searched During step access block, the synchronous access signal PBCH signals in the block searched are demodulated, obtain MIB；It is obtained from demodulation Serial number information is obtained in MIB, and time synchronization is carried out using the serial number information.The accurate of time synchronization can be improved in this way Degree.

Fourth embodiment

Referring to Figure 11, Figure 11 is the structure chart that the present invention implements the network side equipment provided, can realize first embodiment extremely The details of the transmission method of synchronous access block in second embodiment, and achieve the effect that identical.As shown in figure 11, network Side apparatus 1100 includes acquisition module 1101 and sending module 1102, wherein：

Acquisition module 1101, for obtaining synchronous access signal set, the synchronous access signal set includes multiple same Step access block, each synchronous access block include PSS, SSS and PBCH signal, and each PBCH signals include MIB, described MIB includes serial number information, and the synchronous access block that the serial number information is used for where representing the MIB is accessed in the synchronization Serial number in signal set；

Sending module 1102 for using different wave beams, sends described synchronize and connects in different times respectively in resource Enter the different synchronous access blocks in signal set.

Optionally, sending module 1102, specifically for passing through the predeterminated position in each time resource, respectively send and institute State PSS, SSS and PBCH signal included by the corresponding synchronous access block of time resource.

Optionally, sending module 1102, specifically for passing through initial position and end position in each time resource, two PSS and SSS included by secondary transmission synchronous access block corresponding with the time resource；By in each time resource Centre position sends the PBCH signals included by synchronous access block corresponding with the time resource.

Optionally, sending module 1102, specifically for passing through first orthogonal frequency division multiplex OFDM in each time resource Symbol and penultimate OFDM symbol repeat to send included by synchronous access block corresponding with the time resource PSS；By second OFDM symbol and the last one OFDM symbol in each time resource, repeat to send and the time resource SSS included by corresponding synchronous access block；

Alternatively,

Optionally, sending module 1102, specifically in preset initial sending time, the transmission synchronous access signal First synchronous access block in set.

Optionally, when the time resource is subframe, the initial sending time is the default subframe in frame；The time When resource is slot s lot, the initial sending time is the default slot in frame.

Optionally, sending module 1102 specifically for passing through the default slot in subframe, are sent corresponding with the subframe Synchronous access block；

As shown in figure 12, the network side equipment further includes：

Data transmission module 1103, for transmitting data by other slot in the subframe.

Optionally, the MIB includes sending first synchronous access signal in the synchronous access signal set The location information of the time resource of block.

In the embodiment of the present invention, synchronous access signal set is obtained, the synchronous access signal set includes multiple synchronizations Block is accessed, each synchronous access block includes PSS, SSS and PBCH signal, and each PBCH signals include MIB, described MIB includes serial number information, and the synchronous access block that the serial number information is used for where representing the MIB is accessed in the synchronization Serial number in signal set；Using different wave beams, the synchronous access signal collection is sent in resource in different times respectively Different synchronous access blocks in conjunction.Can realize in this way allow user terminal using synchronous access signal serial number information into Row time synchronization, so as to improve the accuracy of time synchronization.

Further, PSS, SSS and PBCH signal are sent by predeterminated position, the synchronization of OFDM symbol is realized, with further Improve the accuracy and performance of time synchronization.

And multiple synchronous access blocks can also be sent in different subframes, to realize the synchronization of subframe, with into one Step improves the accuracy and performance of time synchronization.

And multiple synchronous access blocks can also be sent in different slot, to realize the synchronization of slot, with into one Step improves the accuracy and performance of time synchronization, and due to only using the synchronous access block of slot transmission, can also subtract in this way Few time delivery time, to improve communication efficiency, to improve the overall performance of system.

Herein, a slot transmission access block can also be synchronized in same subframe, data is transmitted in another slot, User terminal does not need to carry out frequent switching between receiving data and synchronizing access block when receiving in this way, so as to less The complexity that sends and receives improves the performance of user terminal.

5th embodiment

Referring to Figure 13, Figure 13 is the structure chart that the present invention implements the user terminal provided, can be realized in 3rd embodiment The details of the transmission method of synchronous access block, and achieve the effect that identical.As shown in figure 13, user terminal 1300 includes： Search module 1301, demodulation module 1302 and synchronization module 1303, wherein：

Search module 1301 searches for the different synchronizations in synchronous access signal set in resource in different times Block is accessed, the synchronous each synchronous access block accessed in signal set includes number PSS, SSS and PBCH signal, Each PBCH signals include Master Information Block MIB, the MIB and include serial number information, and the serial number information is used to represent the MIB institutes Synchronous access block synchronous access signal set in serial number；

Demodulation module 1302, it is right in the synchronous access block in searching the synchronous access signal set The synchronous access signal PBCH signals demodulation in the block searched, obtains MIB；

Synchronization module 1303, for obtaining serial number information, and carry out using the serial number information from the MIB that demodulation obtains Time synchronization.

Optionally, search module 1301, specifically for the predeterminated position in each time resource, respectively search with it is described PSS, SSS and PBCH signal included by the corresponding synchronous access block of time resource；

The synchronization module 1303 specifically for obtaining serial number information from the MIB that demodulation obtains, and uses the serial number Position at least one of in information and the PSS, the SSS and the PBCH carries out time synchronization.

Optionally, described search module 1301, specifically for the initial position in each time resource and end position, Search for the PSS and SSS included by synchronous access block corresponding with the time resource；Centre in each time resource The PBCH signals included by synchronous access block corresponding with the time resource are searched in position.

Optionally, described search module 1301, specifically for first Orthogonal Frequency Division Multiplexing in each time resource OFDM symbol and penultimate OFDM symbol are searched for included by synchronous access block corresponding with the time resource PSS；Second OFDM symbol and the last one OFDM symbol in each time resource, search are corresponding with the time resource SSS included by synchronous access block；

Alternatively,

Optionally, described search module 1301, specifically in preset initial sending time, the search synchronous access First synchronous access block in signal set；

The synchronization module 1303 specifically for obtaining serial number information from the MIB that demodulation obtains, and uses the serial number Information and the initial sending time carry out time synchronization.

Optionally, described search module 1301, specifically for the default slot in subframe, search is corresponding with the subframe Synchronous access block；

As shown in figure 14, the user terminal further includes：

Data reception module 1304 for other slot in the subframe, receives data.

The synchronization module 1303, specifically for the serial number information and the location information is used to carry out time synchronization.

And synchronous access block can also be received in different subframes, to realize the synchronization of subframe, further to carry The accuracy and performance of high time synchronization.

And synchronous access block can also be received in different slot, to realize the synchronization of slot, further to carry The accuracy and performance of high time synchronization, and due to only using the synchronous access block of slot transmission, biography can also be reduced in this way Time time is sent, to improve communication efficiency, to improve the overall performance of system.

Herein, synchronous access block can also be received by a slot in same subframe, data is transmitted in another slot, User terminal does not need to carry out frequent switching between receiving data and synchronizing access block when receiving in this way, so as to less The complexity that sends and receives improves the performance of user terminal.

Sixth embodiment

Referring to Figure 15, Figure 15 is the structure chart of the network side equipment of application of the embodiment of the present invention, can realize the first implementation Example synchronizes the details for the transmission method for accessing block, and achieve the effect that identical to second embodiment.As shown in figure 15, should Network side equipment 1500 includes：Processor 1501, transceiver 1502, memory 1503, user interface 1504 and bus interface, In：

Processor 1501 for reading the program in memory 1503, performs following process：

It obtains and synchronizes access signal set, the synchronous access signal set includes multiple synchronizations and accesses blocks, each Synchronous access block includes PSS, SSS and PBCH signal, and each PBCH signals include MIB, and the MIB includes serial number information, The synchronous access block that the serial number information is used for where representing the MIB accesses the sequence in signal set in the synchronization Number；

Wherein, transceiver 1502, for sending and receiving data under the control of processor 1501.

In fig.15, bus architecture can include the bus and bridge of any number of interconnection, specifically by 1501 generation of processor The various circuits for the memory that the one or more processors and memory 1503 of table represent link together.Bus architecture may be used also Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like to be linked together, these are all It is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 1502 can To be multiple element, i.e., including transmitter and receiver, provide the list for communicating over a transmission medium with various other devices Member.For different user equipmenies, user interface 1504, 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 1501 is responsible for bus architecture and common processing, and memory 1503 can store processor 1501 and exist Used data when performing operation.

Optionally, the difference that processor 1501 performs sends the synchronous access signal in resource in different times Different synchronous access blocks in set, including：

Optionally, processor 1501 perform the predeterminated position by each time resource, respectively send and institute PSS, SSS and PBCH signal included by the corresponding synchronous access block of time resource are stated, including：

Optionally, the initial position and end position by each time resource that processor 1501 performs, two PSS and SSS included by secondary transmission synchronous access block corresponding with the time resource, including：

By first orthogonal frequency division multiplex OFDM symbol and penultimate OFDM symbol in each time resource, repeat Send the PSS included by synchronous access block corresponding with the time resource；Pass through second in each time resource OFDM symbol and the last one OFDM symbol repeat to send included by synchronous access block corresponding with the time resource SSS；

Alternatively,

Optionally, the difference that processor 1501 performs sends the synchronous access signal in resource in different times Different synchronous access blocks in set, including：By the default slot in subframe, send corresponding with the subframe same Step access block；

Processor 1501 is additionally operable to：

Data are transmitted by other slot in the subframe.

It in the present embodiment, obtains and synchronizes access signal set, the synchronous access signal set includes multiple synchronizations and accesses Block, each synchronous access block include PSS, SSS and PBCH signal, and each PBCH signals include MIB, the MIB packets Serial number information is included, the synchronous access block that the serial number information is used for where representing the MIB accesses signal in the synchronization Serial number in set；Using different wave beams, sent in resource in different times respectively in the synchronous access signal set Different synchronous access blocks.When can realize the serial number information progress that user terminal is allowed to use synchronous access signal in this way Between it is synchronous, so as to improve the accuracy of time synchronization.

7th embodiment

Referring to Figure 16, Figure 16 is the structure chart of the user terminal of application of the embodiment of the present invention, can realize first embodiment The details of system information block transmission method into second embodiment, and achieve the effect that identical.As shown in figure 16, user terminal 1600 include：At least one processor 1601, memory 1602, at least one network interface 1604 and user interface 1603.With Various components in family terminal 1600 are coupled by bus system 1605.It is understood that bus system 1605 is used to implement Connection communication between these components.Bus system 1605 further includes power bus, controlling bus in addition to including data/address bus And status signal bus in addition.But for the sake of clear explanation, various buses are all designated as bus system 1605 in figure 16.

Wherein, user interface 1603 can include display, keyboard or pointing device (for example, mouse, trace ball (track ball), touch-sensitive plate or touch screen etc..

It is appreciated that the memory 1602 in the embodiment of the present invention can be volatile memory or non-volatile memories Device may include both volatile and non-volatile memories.Wherein, nonvolatile memory can be read-only memory (Read-Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), erasable programmable are only Read memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, ) or flash memory EEPROM.Volatile memory can be random access memory (Random Access Memory, RAM), use Make External Cache.By exemplary but be not restricted explanation, the RAM of many forms can be used, 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 1602 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 1602 stores following element, executable modules or data structures or Their subset of person or their superset：Operating system 16021 and application program 16022.

Wherein, operating system 16021 comprising various system programs, such as ccf layer, core library layer, driving layer etc., are used for Realize various basic businesses and the hardware based task of processing.Application program 16022 includes various application programs, such as matchmaker Body player (Media Player), browser (Browser) etc., are used to implement various applied business.Realize that the present invention is implemented The program of example method may be embodied in application program 16022.

In embodiments of the present invention, by calling program or the instruction of the storage of memory 1602, specifically, can be application The program stored in program 16022 or instruction, processor 1601 are used for：

The method that the embodiments of the present invention disclose can be applied in processor 1601 or by processor 1601 in fact It is existing.Processor 1601 may be a kind of IC chip, have the processing capacity of signal.During realization, the above method Each step can be completed by the instruction of the integrated logic circuit of the hardware in processor 1601 or software form.Above-mentioned Processor 1601 can be general processor, digital signal processor (Digital Signal Processor, DSP), special Integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field Programmable GateArray, FPGA) either other programmable logic device, discrete gate or transistor logic, Discrete hardware components.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.It is general Processor can be microprocessor or the processor can also be any conventional processor etc..With reference to institute of the embodiment of the present invention The step of disclosed method, can be embodied directly in hardware decoding processor and perform completion or with the hardware in decoding processor And software module combination performs completion.Software module can be located at random access memory, and flash memory, read-only memory may be programmed read-only In the storage medium of this fields such as memory or electrically erasable programmable memory, register maturation.The storage medium is located at The step of memory 1602, processor 1601 reads the information in memory 1602, the above method is completed with reference to its hardware.

It is understood that embodiments described herein can use hardware, software, firmware, middleware, microcode or its It combines to realize.For hardware realization, processing unit can be realized in one or more application-specific integrated circuit (Application Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor, Controller, microcontroller, microprocessor, for performing in other electronic unit or combinations of herein described function.

For software implementations, it can be realized herein by performing the module (such as process, function etc.) of function described herein The technology.Software code is storable in memory and is performed by processor.Memory can in the processor or It is realized outside processor.

Optionally, in the resource in different times that processor 1601 performs in the synchronous access signal set of search Different synchronous access blocks, including：

Serial number information carries out time synchronization described in the use that processor 1601 performs, including：

Optionally, processor 1601 perform the predeterminated position in each time resource, respectively search with it is described PSS, SSS and PBCH signal included by the corresponding synchronous access block of time resource, including：

Optionally, the initial position in each time resource and end position that processor 1601 performs, search and institute The PSS and SSS included by the corresponding synchronous access block of time resource are stated, including：

Alternatively,

Processor 1601 is additionally operable to：

Other slot in the subframe receive data.

The serial number information included using the MIB that processor 1601 performs carries out time synchronization, including：

In the present embodiment, the different synchronous access letters in synchronous access signal set are searched in resource in different times Number block, each synchronous access block in the synchronous access signal set include PSS, SSS and PBCH signal, each PBCH Signal includes Master Information Block MIB, the MIB and includes serial number information, and the serial number information is used to represent the synchronization where the MIB Access block synchronous access signal set in serial number；Synchronizing in the synchronous access signal set is searched connects When entering block, the synchronous access signal PBCH signals in the block searched are demodulated, obtain MIB；In the MIB obtained from demodulation Serial number information is obtained, and time synchronization is carried out using the serial number information.The accuracy of time synchronization can be improved in this way.

Further, by predeterminated position symbol send PSS, SSS and PBCH signal, realize the synchronization of OFDM symbol, with into One step improves the accuracy and performance of time synchronization.

Those of ordinary skill in the art may realize that each exemplary lists described with reference to the embodiments described herein Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is performed with hardware or software mode, specific application and design constraint depending on technical solution.Professional technician Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed The scope of the present invention.

It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit can refer to the corresponding process in preceding 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, can there is an other dividing mode in actual implementation, for example, multiple units or component can combine or Person is desirably integrated into another system or some features can be ignored or does not perform.Another 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 separate, be shown as unit The component shown may or may not be physical unit, you can be located at a place or can also be distributed to multiple In network element.Some or all of unit therein can be selected 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 That each unit is individually physically present, can also two or more units integrate in a unit.

If the function is realized in the form of SFU software functional unit and is independent product sale or in use, can be with It is stored in a computer read/write memory medium.Based on such understanding, technical scheme of the present invention is substantially in other words The part contribute to the prior art or the part of the technical solution can be embodied in the form of software product, the meter Calculation machine software product is stored in a storage medium, is used including some instructions so that a computer equipment (can be People's computer, server or network equipment etc.) perform all or part of the steps of the method according to each embodiment of the present invention. And aforementioned storage medium includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can to store program code Medium.

The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.

Claims

1. a kind of transmission method of synchronous access block, which is characterized in that including：

It obtains and synchronizes access signal set, the synchronous access signal set includes multiple synchronizations and accesses blocks, each synchronous It accesses block and includes primary synchronization signal PSS, subsynchronous signal SSS and Physical Broadcast Channel PBCH signals, each PBCH signals Including Master Information Block MIB, the MIB includes serial number information, and the serial number information is used to represent the synchronous access where the MIB Serial number of the block in the synchronous access signal set；

Using different wave beams, sent in resource in different times respectively different same in the synchronous access signal set Step access block.

2. according to the method described in claim 1, it is characterized in that, the difference send in resource in different times it is described same Different synchronous access blocks in step access signal set, including：

By the predeterminated position in each time resource, synchronous access block institute corresponding with the time resource is sent respectively Including PSS, SSS and PBCH signal.

3. according to the method described in claim 2, it is characterized in that, the predeterminated position by each time resource, divides Not Fa Song with the time resource it is corresponding it is synchronous access block included by PSS, SSS and PBCH signal, including：

By the initial position in each time resource and end position, send twice it is corresponding with the time resource synchronize connect Enter the PSS and SSS included by block；By the centre position in each time resource, send corresponding with the time resource Synchronous access block included by PBCH signals.

4. the according to the method described in claim 3, it is characterized in that, initial position and knot by each time resource Beam position sends PSS and SSS included by synchronous access block corresponding with the time resource twice, including：

By first orthogonal frequency division multiplex OFDM symbol and penultimate OFDM symbol in each time resource, repeat to send PSS included by synchronous access block corresponding with the time resource；Pass through second OFDM symbol in each time resource Number and the last one OFDM symbol, repeat send with the time resource it is corresponding it is synchronous access block included by SSS；

Alternatively,

By first OFDM symbol and penultimate OFDM symbol in each time resource, repeat to send and time money SSS included by the corresponding synchronous access block in source；Pass through second OFDM symbol in each time resource and the last one OFDM symbol repeats to send the PSS included by synchronous access block corresponding with the time resource.

5. according to the method described in claim 1, it is characterized in that, the difference send in resource in different times it is described same Different synchronous access blocks in step access signal set, including：

In preset initial sending time, first synchronous access block in the synchronous access signal set is sent.

6. according to the method described in claim 5, it is characterized in that, when the time resource is subframe, during the initial transmission Between for the default subframe in frame；When the time resource is slot s lot, the initial sending time is the default slot in frame.

7. according to the method described in claim 6, it is characterized in that, when the time resource is subframe, during the initial transmission Between for first subframe in frame；When the time resource is slot, the initial sending time is first slot in frame Or the slot in first subframe in frame.

8. according to the method described in claim 1, it is characterized in that, the difference send in resource in different times it is described same Different synchronous access blocks in step access signal set, including：

9. according to the method described in claim 8, it is characterized in that, default slot in the subframe is the in the subframe One slot or second slot.

10. according to the method described in claim 1, it is characterized in that, the MIB includes sending the synchronous access signal The location information of the time resource of first synchronous access block in set.

11. according to the method described in claim 10, it is characterized in that, described access for sending the synchronization in signal set First synchronous access block time resource location information, particularly for sending the synchronous access signal set In first synchronous access block serial number in frame of subframe or slot.

12. a kind of transmission method of synchronous access block, which is characterized in that including：

The different synchronous access blocks in synchronous access signal set are searched in resource in different times, described synchronize connects The each synchronous access block entered in signal set includes primary synchronization signal PSS, subsynchronous signal SSS and Physical Broadcast Channel PBCH signals, each PBCH signals include Master Information Block MIB, the MIB and include serial number information, and the serial number information is used to represent Synchronous access block where the MIB synchronous access signal set in serial number；

In the synchronous access block in searching the synchronous access signal set, to the synchronous access block searched In PBCH signals demodulation, obtain MIB；

13. according to the method for claim 12, which is characterized in that synchronous access is searched in the resource in different times Different synchronous access blocks in signal set, including：

Predeterminated position in each time resource is searched for synchronous access block corresponding with the time resource and is wrapped respectively PSS, SSS and PBCH signal included；

Using the position at least one of in the serial number information and the PSS, the SSS and the PBCH, it is same to carry out the time Step.

14. according to the method for claim 13, which is characterized in that the predeterminated position in each time resource, point Not Sou Suo with the time resource it is corresponding it is synchronous access block included by PSS, SSS and PBCH signal, including：

Initial position and end position in each time resource, search synchronous access signal corresponding with the time resource PSS and SSS included by block；Centre position in each time resource, search it is corresponding with the time resource synchronize connect Enter the PBCH signals included by block.

15. according to the method for claim 14, which is characterized in that the initial position and knot in each time resource Beam position searches for PSS and SSS included by synchronous access block corresponding with the time resource, including：

First orthogonal frequency division multiplex OFDM symbol and penultimate OFDM symbol in each time resource, search with it is described PSS included by the corresponding synchronous access block of time resource；Second OFDM symbol and last in each time resource One OFDM symbol searches for the SSS included by synchronous access block corresponding with the time resource；

Alternatively,

First OFDM symbol and penultimate OFDM symbol in each time resource, search are corresponding with the time resource Synchronous access block included by SSS；Second OFDM symbol and the last one OFDM symbol in each time resource, Search for the PSS included by synchronous access block corresponding with the time resource.

16. according to the method for claim 12, which is characterized in that synchronous access is searched in the resource in different times Different synchronous access blocks in signal set, including：

In preset initial sending time, first synchronous access block in the synchronous access signal set is searched for；

17. according to the method for claim 16, which is characterized in that when the time resource is subframe during the initial transmission Between for the default subframe in frame；When the time resource is slot s lot, the initial sending time is the default slot in frame.

18. according to the method for claim 17, which is characterized in that when the time resource is subframe, the initial transmission Time is first subframe in frame；When the time resource is slot, the initial sending time is first in frame The slot in first subframe in slot or frame.

19. according to the method for claim 12, which is characterized in that synchronous access is searched in the resource in different times Different synchronous access blocks in signal set, including：

The method, further includes：

Other slot in the subframe receive data.

20. according to the method for claim 19, which is characterized in that the default slot in the subframe is in the subframe First slot or second slot.

21. according to the method for claim 12, which is characterized in that the MIB includes sending the synchronous access letter The location information of the time resource of first synchronous access block in number set；

Time synchronization is carried out using the serial number information and the location information.

22. according to the method for claim 21, which is characterized in that described to be accessed in signal set for sending the synchronization First synchronous access block time resource location information, particularly for sending the synchronous access signal set In first synchronous access block serial number in frame of subframe or slot.

23. a kind of network side equipment, which is characterized in that including：

Acquisition module, for obtaining synchronous access signal set, the synchronous access signal set includes multiple synchronous access letters Number block, each synchronous access block include primary synchronization signal PSS, subsynchronous signal SSS and Physical Broadcast Channel PBCH signals, Each PBCH signals include Master Information Block MIB, the MIB and include serial number information, and the serial number information is used to represent the MIB institutes Serial number of the synchronous access block in the synchronous access signal set；

Sending module for using different wave beams, sends the synchronous access signal collection in different times respectively in resource Different synchronous access blocks in conjunction.

24. network side equipment according to claim 23, which is characterized in that

The sending module specifically for passing through the predeterminated position in each time resource, is sent and the time resource respectively PSS, SSS and PBCH signal included by corresponding synchronous access block.

25. network side equipment according to claim 24, which is characterized in that

The sending module, specifically for passing through initial position and end position in each time resource, twice send and institute State the PSS and SSS included by the corresponding synchronous access block of time resource；By the centre position in each time resource, Send the PBCH signals included by synchronous access block corresponding with the time resource.

26. network side equipment according to claim 25, which is characterized in that

The sending module, specifically for passing through in each time resource first orthogonal frequency division multiplex OFDM symbol and reciprocal the Two OFDM symbols repeat to send the PSS included by synchronous access block corresponding with the time resource；By it is each when Between second OFDM symbol and the last one OFDM symbol in resource, repeat to send synchronous access corresponding with the time resource SSS included by block；

Alternatively,

27. network side equipment according to claim 23, which is characterized in that

The sending module, specifically in preset initial sending time, sending the in the synchronous access signal set One synchronous access block.

28. network side equipment according to claim 27, which is characterized in that described first when the time resource is subframe Beginning sending time is the default subframe in frame；When the time resource is slot s lot, the initial sending time is in frame Default slot.

29. network side equipment according to claim 28, which is characterized in that described first when the time resource is subframe Beginning sending time is first subframe in frame；When the time resource is slot, the initial sending time is the in frame The slot in first subframe in one slot or frame.

30. network side equipment as claimed in claim 23, which is characterized in that the sending module, specifically for passing through subframe Interior default slot sends synchronous access block corresponding with the subframe；

The network side equipment further includes：

Data transmission module, for transmitting data by other slot in the subframe.

31. network side equipment according to claim 30, which is characterized in that the default slot in the subframe is the son First slot or second slot in frame.

32. network side equipment according to claim 31, which is characterized in that the MIB includes sending the synchronization Access the location information of the time resource of first synchronous access block in signal set.

33. network side equipment according to claim 32, which is characterized in that described to access signal for sending the synchronization The location information of the time resource of first synchronous access block in set accesses letter particularly for the synchronization is sent Serial number of the subframe or slot of first synchronous access block in number set in frame.

34. a kind of user terminal, which is characterized in that including：

Search module searches for the different synchronous access signals in synchronous access signal set in resource in different times Block, the synchronous each synchronous access block accessed in signal set include primary synchronization signal PSS, subsynchronous signal SSS With Physical Broadcast Channel PBCH signals, each PBCH signals include Master Information Block MIB, the MIB and include serial number information, the sequence Number information be used to representing the synchronous access block where the MIB synchronous access signal set in serial number；

Demodulation module, in the synchronous access block in searching the synchronous access signal set, to what is searched Synchronous access signal PBCH signals demodulation in the block, obtains MIB；

Synchronization module, for obtaining serial number information from the MIB that demodulation obtains, and it is same using the serial number information progress time Step.

35. user terminal according to claim 34, which is characterized in that

Described search module specifically for the predeterminated position in each time resource, is searched for and the time resource pair respectively PSS, SSS and PBCH signal included by synchronous access block answered；

The synchronization module specifically for obtaining serial number information from the MIB that demodulation obtains, and uses the serial number information, with And the position at least one of in the PSS, the SSS and the PBCH, carry out time synchronization.

36. user terminal according to claim 35, which is characterized in that

Described search module, specifically for the initial position in each time resource and end position, search and the time PSS and SSS included by the corresponding synchronous access block of resource；Centre position in each time resource, search and institute State the PBCH signals included by the corresponding synchronous access block of time resource.

37. user terminal according to claim 36, which is characterized in that

Described search module, specifically for first orthogonal frequency division multiplex OFDM symbol in each time resource and second from the bottom A OFDM symbol searches for the PSS included by synchronous access block corresponding with the time resource；In each time resource Second OFDM symbol and the last one OFDM symbol are searched for included by synchronous access block corresponding with the time resource SSS；

Alternatively,

38. user terminal according to claim 34, which is characterized in that

Described search module, specifically in preset initial sending time, searching for the in the synchronous access signal set One synchronous access block；

The synchronization module specifically for obtaining serial number information from the MIB that demodulation obtains, and uses the serial number information and institute It states initial sending time and carries out time synchronization.

39. the user terminal according to claim 38, which is characterized in that the time resource is described when being subframe just to be originated The time is sent as the default subframe in frame；When the time resource is slot s lot, the initial sending time is default in frame slot。

40. user terminal according to claim 39, which is characterized in that described initial when the time resource is subframe Sending time is first subframe in frame；When the time resource is slot, the initial sending time is first in frame The slot in first subframe in a slot or frame.

41. user terminal as claimed in claim 40, which is characterized in that

Described search module, specifically for the default slot in subframe, search synchronous access signal corresponding with the subframe Block；

The user terminal further includes：

Data reception module for other slot in the subframe, receives data.

42. user terminal according to claim 41, which is characterized in that the default slot in the subframe is the subframe First interior slot or second slot.

43. user terminal according to claim 34, which is characterized in that the MIB includes connecing for sending described synchronize Enter the location information of the time resource of first synchronous access block in signal set；

The synchronization module, specifically for the serial number information and the location information is used to carry out time synchronization.

44. user terminal according to claim 43, which is characterized in that described to access signal collection for sending the synchronization The location information of the time resource of first synchronous access block in conjunction accesses signal particularly for the synchronization is sent Serial number of the subframe or slot of first synchronous access block in set in frame.

45. a kind of Transmission system of synchronous access block, which is characterized in that including such as any one of claim 23 to 33 institute State network side equipment and the user terminal as described in any one of claim 34 to 44.