CN108307496A

CN108307496A - Sending method, method of reseptance, relevant device and the system of synchronous access signal group

Info

Publication number: CN108307496A
Application number: CN201710025324.4A
Authority: CN
Inventors: 李建军
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2017-01-13
Filing date: 2017-01-13
Publication date: 2018-07-20
Anticipated expiration: 2037-01-13
Also published as: CN108307496B; WO2018130093A1

Abstract

The present invention provides a kind of sending method, method of reseptance, relevant device and the system of synchronous access signal group, and synchronous access signal group includes PSS, SSS and PBCH signal, and this method includes：Using different antenna ports, different time resources and/or different frequency resources, the PSS and the SSS are sent respectively；Using at least two antenna ports, the PBCH signals are sent；Using different antenna ports, different time resources and/or different frequency resources, the PSS and the SSS are sent respectively again.The embodiment of the present invention can improve the detection performance of PSS and SSS.

Description

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

Technical field

The present invention relates to field of communication technology more particularly to a kind of synchronous access sending method of signal group, method of reseptance, Relevant device and system.

Background technology

In a communications system, user terminal needs to detect primary synchronization signal (PSS, Primary when being initially accessed Synchronization Signal), subsynchronous signal (SSS, Secondary Synchronization Signal) come it is real Then the now initial time and Frequency Synchronization detects Physical Broadcast Channel (PBCH, Physical Broadcast Channel) Signal.

However, existing network side equipment usually using an antenna port, sends a PSS and SSS respectively, user is whole End carries out Sequence Detection, causes the detection performance of PSS and SSS poor.

Invention content

The embodiment of the present invention provides a kind of sending method, method of reseptance, relevant device and the system of synchronous access signal group, Detection performance to solve the problems, such as PSS and SSS is poor.

In a first aspect, an embodiment of the present invention provides a kind of sending method of synchronous access signal group, the synchronous access Signal group includes PSS, SSS and PBCH signal, the method includes：

Using different antenna ports, different time resources and/or different frequency resources, the PSS is sent respectively With the SSS；

Using at least two antenna ports, the PBCH signals are sent；

Using different antenna ports, different time resources and/or different frequency resources, again respectively described in transmission The PSS and SSS.

Second aspect, the embodiment of the present invention also provide a kind of method of reseptance of synchronous access signal group, the synchronous access Signal group includes PSS, SSS and PBCH signal, the method includes：

By different antenna ports, different time resources and/or different frequency resources, the PSS and institute are detected State SSS；

Channel estimation is carried out using the PSS detected the and SSS, obtains channel estimation results；

Using the channel estimation results, the PBCH signals are detected using at least two antenna ports.

The third aspect, the embodiment of the present invention also provide a kind of network side equipment, for the transmission of synchronous access signal grade, institute It includes primary synchronization signal PSS, subsynchronous signal SSS and Physical Broadcast Channel PBCH signals, the net to state synchronous access signal group Network side apparatus includes：

First sending module, for being provided using different antenna ports, different time resources and/or different frequencies Source sends the PSS and the SSS respectively；

Second sending module sends the PBCH signals for using at least two antenna ports；

Third sending module, for being provided using different antenna ports, different time resources and/or different frequencies Source sends the PSS and the SSS respectively again.

Fourth aspect, the embodiment of the present invention also provide a kind of user terminal, described for the reception of synchronous access signal group Synchronous access signal group includes primary synchronization signal PSS, subsynchronous signal SSS and Physical Broadcast Channel PBCH signals, the user Terminal includes：

First detection module, for being provided by different antenna ports, different time resources and/or different frequencies The PSS and the SSS are detected in source；

Channel estimation module obtains channel and estimates for carrying out channel estimation using the PSS detected the and SSS Count result；

Second detection module, for utilizing the channel estimation results, described in the detection of at least two antenna ports PBCH signals.

In this way, in the embodiment of the present invention, synchronous access signal group includes PSS, SSS and PBCH signal, the method includes： Using different antenna ports, different time resources and/or different frequency resources, the PSS and described is sent respectively SSS；Using at least two antenna ports, the PBCH signals are sent；Use different antenna ports, different time resources And/or different frequency resources, send the PSS and the SSS respectively again.Due to repeatedly sending PSS and SSS, and use Different antenna port, different time resources and/or different frequency resources, to improve the detection of PSS and SSS Energy.

Description of the drawings

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

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

Fig. 2 is a kind of flow chart of the sending method for synchronous access signal group that first embodiment of the invention provides；

Fig. 3 is a kind of flow chart of the sending method for synchronous access signal group that second embodiment of the invention provides；

Fig. 4 is a kind of transmission schematic diagram for synchronous access signal group that second embodiment of the invention provides；

Fig. 5 is a kind of flow chart of the sending method for synchronous access signal group that third embodiment of the invention provides；

Fig. 6 is a kind of transmission schematic diagram for synchronous access signal group that third embodiment of the invention provides；

Fig. 7 is a kind of flow chart of the sending method for synchronous access signal group that fourth embodiment of the invention provides；

Fig. 8 is a kind of transmission schematic diagram for synchronous access signal group that fourth embodiment of the invention provides；

Fig. 9 is a kind of flow chart of the method for reseptance for synchronous access signal group that fifth embodiment of the invention provides；

Figure 10 is one of the structure chart of network side equipment that sixth embodiment of the invention provides；

Figure 11 is the two of the structure chart for the network side equipment that sixth embodiment of the invention provides；

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

Figure 13 is the four of the structure chart for the network side equipment that sixth embodiment of the invention provides；

Figure 14 is one of the structure chart of user terminal that seventh embodiment of the invention provides；

Figure 15 is the two of the structure chart for the user terminal that seventh embodiment of the invention provides；

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

Figure 17 is the four of the structure chart for the user terminal that seventh embodiment of the invention provides；

Figure 18 is the structure chart for the network side equipment that eighth embodiment of the invention provides；

Figure 19 is the structure chart for the user terminal that ninth embodiment of the invention provides.

Specific implementation mode

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without creative efforts Example, shall fall within the protection scope of the present invention.

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

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

First embodiment

It is a kind of flow chart of the sending method of synchronous access signal group provided in an embodiment of the present invention referring to Fig. 1, Fig. 1, Wherein, synchronization access signal group includes PSS, SSS and PBCH signal, and this method can be applied to network side equipment, such as Fig. 1 institutes Show, includes the following steps：

Step 201, using different antenna ports, different time resources and/or different frequency resources, send respectively The PSS and SSS.

Wherein, above-mentioned using different antenna ports, different time resources and/or different frequency resources, it sends out respectively Sending the PSS and the SSS can be, use different antennas in resource and/or different frequency resources in different times PSS described in the port and SSS sends time resource and/or frequency resource and antenna used in PSS and SSS every time Port is all different, and transmission can use an antenna port every time.

In addition, in the embodiment of the present invention, above-mentioned time resource can be a subframe or a time slot (slot), certainly, right This is not construed as limiting.And the time child resource in above-mentioned time resource can be the orthogonal frequency division multiplexing in a subframe or a slot Technology (Orthogonal Frequency Division Multiplexing, OFDM) symbol.

Step 202, using at least two antenna ports, send the PBCH signals.

Wherein, above-mentioned to use at least two antenna port, it can use 2 antennas to send the PBCH signals The antenna port of the other quantities such as port, 4 antenna ports sends PBCH signals etc..In addition, PBCH signals can also include upper System information is stated, such as：Master Information Block (MIB, Master Information Block), naturally it is also possible to be other systems letter Breath, is not construed as limiting this embodiment of the present invention.

Through the above steps repeatedly send PSS and SSS, and using different antenna ports, different time resources and/or Different frequency resources, to improve the detection performance of PSS and SSS, i.e. user terminal is more prone to detect PSS and SSS. Furthermore it is also possible to which user terminal is allow to be that corresponding antenna port detects PSS in corresponding time resource/or frequency resource After SSS, channel estimation is carried out using the PSS and SSS detected, channel estimation results is obtained and then utilizes the channel estimation As a result at least two antenna ports are used to detect PBCH signals.If PBCH signals include system information, user terminal can be with PBCH signals demodulation to detecting, obtains system information.Due to directly PSS and SSS being used to carry out channel estimation, thus not It needs to transmit cell special reference signal (Cell-specific Reference Signal, CRS), you can to eliminate CRS Expense, improve spectrum efficiency.

Step 203, using different antenna ports, different time resources and/or different frequency resources, distinguish again Send the PSS and the SSS.

Wherein, sending the antenna ports that use of PSS and SSS again here can be with the antenna that is used in above-mentioned steps 201 Port is different, i.e., sends what the antenna that PSS and SSS is used was all different every time, or the PSS and SSS that send twice in succession make Antenna port differs.

It should be noted which can be applied to network side equipment.

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) in the scene of millimeter wave band application, 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 above-mentioned PSS, SSS and PBCH signal expand the covering of cell to realize beam scanning.

In this way, in the embodiment of the present invention, synchronous access signal group includes PSS, SSS and PBCH signal, the method includes： Using different antenna ports, different time resources and/or different frequency resources, the PSS and described is sent respectively SSS；Using at least two antenna ports, the PBCH signals are sent；Use different antenna ports, different time resources And/or different frequency resources, send the PSS and the SSS respectively again.Due to repeatedly sending PSS and SSS, and use Different antenna port, different time resources and/or different frequency resources, so as to improve the detection of PSS and SSS Energy.

Second embodiment

It is a kind of flow chart of the sending method of synchronous access signal group provided in an embodiment of the present invention referring to Fig. 3, Fig. 3, It includes PSS, SSS and PBCH signal that the synchronization, which accesses signal group, and this method can be applied to network side equipment, as shown in figure 3, packet Include following steps：

Step 301, in first time resource, use first antenna port to send the PSS.

Wherein, above-mentioned first time resource can be the 1st time resource in a slot or a subframe, such as：The One orthogonal frequency division multiplexing (Orthogonal Frequency Division Multiplexing, OFDM) symbol, it is certainly right This, the embodiment of the present invention is not construed as limiting.

Step 302, in the second time resource, use the second antenna port to send the SSS.

Above-mentioned second time resource can be with the above-mentioned continuous time resource of first time resource, certainly in this regard, this hair Bright embodiment is not construed as limiting.

Step 303, in third time resource, use first antenna port and the second antenna port to send the PBCH letters Number.

Above-mentioned third time resource can be with the above-mentioned continuous time resource of second time resource, certainly in this regard, this hair Bright embodiment is not construed as limiting.

Optionally, described in third time resource, send the PBCH using first antenna port and the second antenna port Signal, including：

In third time resource space-frequency diversity or empty time-division are utilized using first antenna port and the second antenna port The mode of collection sends the PBCH signals.

Wherein, above-mentioned in third time resource, using first antenna port and the second antenna port, using space-frequency diversity or The mode of person's space and time diversity, sending the PBCH signals can be, at least two adjacent sons in third time resource carry At least two PBCH signal codes sent on wave or at least two OFDM symbols carry out precoding, the symbol difference after coding It is sent on first antenna port and the second antenna port.

Such as：It is above-mentioned in third time resource, using first antenna port and the second antenna port, using space-frequency diversity or The mode of person's space and time diversity sends the PBCH signals, including：

Precoding is carried out to the first PBCH information symbols and the 2nd PBCH information symbols, and in third time resource, is used First antenna port and the second antenna port send pre-encoding results.

Such as：I-th of information symbol x (i)=[x of two antenna ports in above-mentioned PBCH signals⁽⁰⁾(i) x⁽¹⁾(i)]^T, By space-frequency diversity or space and time diversity, information symbol y (i)=[y of transmission⁽⁰⁾(i) y⁽¹⁾(i)]^TIt is pre- with PBCH signal codes Encoding operation is as follows：

Wherein, Re expressions take real, Im to indicate to take the empty step of plural number, and j is imaginary unit.

It should be noted that the mode of precoding is only a citing, in the embodiment of the present invention, PBCH signals are not limited Precoding mode.

In the embodiment of the present invention, above-mentioned in the way of space-frequency diversity or space and time diversity, provided in the third time PBCH signals are sent on source, so as to improve the detection performance of PBCH, i.e. user terminal is more prone to detect PBCH signals.

Step 304, in the 4th time resource, reuse first antenna port and send the PSS.

Wherein, above-mentioned 4th time resource can be with the above-mentioned continuous time resource of third time resource, certainly in this regard, The embodiment of the present invention is not construed as limiting.

Step 305, in the 5th time resource, reuse the second antenna port and send the SSS.

Wherein, above-mentioned 5th time resource can be with the continuous time resource of above-mentioned 4th time resource, certainly in this regard, The embodiment of the present invention is not construed as limiting.

In the present embodiment, it may be implemented to send PSS in first time resource and third time resource through the above steps, Second time resource and the 4th time resource send SSS, and PSS and SSS correspond to different antenna ports respectively, so as to carry The detection performance of high PSS and SSS.

Optionally, time resource corresponding with the synchronous access signal group, including the first time resource, described Two time resources, the third time resource, the 4th time resource and the 5th time resource.

In the embodiment, the signal that may be implemented in same synchronous access signal group accesses signal group pair using the synchronization The time resource answered is sent, you can to realize that the signal in different synchronous access signal groups is sent out using different time resources It send, so as to improve the detection performance of synchronous access signal group.

Preferential, time resource corresponding with the synchronous access signal group is slot s lot, the first time resource For the 1st OFDM symbol in the slot, second time resource is the 2nd OFDM symbol in the slot, described Third time resource is the 3rd, 4 and 5 OFDM symbol in the slot, and the 4th time resource is the in the slot 6 OFDM symbols, the 5th time resource are the 7th OFDM symbol in the slot.

Such as：One synchronous access signal group occupies a slot and sends, and PSS and SSS therein will be sent twice. The 1st OFDM symbol that PSS sends using antenna port 0 in slot for the first time is sent, and can be in the OFDM symbol It is sent on all resource blocks (Resource Block, RB), second of the 6th sent using antenna port 1 in slot of PSS OFDM symbol is sent.SSS is sent sent using 2nd OFDM symbol of the antenna port 0 (or 1) in slot for the first time, SSS the Secondary the 7th OFDM symbol sent using antenna port 1 (or 0) in slot is sent.And PBCH signals then always make simultaneously It is sent in the 3rd, 4 and 5 OFDM symbol in the way of space-frequency diversity and space and time diversity with two antenna ports.The two Antenna port and PSS, the antenna port that SSS is used are identical.The signal structure of synchronous access signal group entire in this way can be such as Fig. 4 It is shown.To which PBCH signals can carry out channel estimation by PSS and SSS, to just eliminate the expense of CRS, improve Spectrum efficiency.

In the citing, by above-mentioned design, user terminal can by antenna port different in double antenna port, Corresponding OFDM symbol detection synchronizes the above-mentioned PSS and SSS signals in access signal group, realizes that accurate time and frequency are same Step.Then channel estimation is carried out by PSS and SSS, PBCH signals is detected with this, to obtain system information.

3rd embodiment

It is a kind of flow chart of the sending method of synchronous access signal group provided in an embodiment of the present invention referring to Fig. 5, Fig. 5, It includes PSS, SSS and PBCH signal that the synchronization, which accesses signal group, and this method can be applied to network side equipment, as shown in figure 5, packet Include following steps：

Step 501, in first time resource, respectively use first antenna port and the second antenna port, repeatedly send institute State PSS.

Optionally, described in first time resource, first antenna port and the second antenna port are used respectively, are repeatedly sent The PSS, including：

It in first time resource, using first antenna port, occupies the first default frequency range and sends the PSS, and use the Two antenna ports occupy the second default frequency range and send the PSS；

In the embodiment, due in first time resource, using different antenna ports, occupying different frequency range hairs PSS is sent, so as to further improve the detection performance of PSS, certainly, in the embodiment of the present invention, when not being limited to first Between in resource, the mode of SSS twice is sent using the above-mentioned first default frequency range and the second default frequency range, such as：It can also be point Three or four frequency ranges are sent, and this is not limited by the present invention.

Step 502, in the second time resource, respectively use first antenna port and the second antenna port, repeatedly send institute State SSS.

Optionally, described in the second time resource, first antenna port and the second antenna port are used respectively, are repeatedly sent The SSS, including：

It in the second time resource, using first antenna port, occupies the first default frequency range and sends the SSS, and use the Two antenna ports occupy the second default frequency range and send the SSS.

In the embodiment, due in the second time resource, using different antenna ports, occupying different frequency range hairs SSS is sent, so as to further improve the detection performance of SSS, certainly, in the embodiment of the present invention, when not being limited to second Between in resource, the mode of SSS twice is sent using the above-mentioned first default frequency range and the second default frequency range, such as：It can also be point Three or four frequency ranges are sent, and this is not limited by the present invention.

Step 503, in third time resource, use first antenna port and the second antenna port to send the PBCH letters Number.

Optionally, described in third time resource, PBCH signals are sent using first antenna port and the second antenna port, Including：

In third time resource space-frequency diversity or empty time-division are utilized using first antenna port and the second antenna port The mode of collection sends PBCH signals.

In the embodiment of the present invention, above-mentioned in the way of space-frequency diversity or space and time diversity, in third time resource Upper transmission PBCH signals, so as to improve the detection performance of PBCH, i.e. user terminal is more prone to detect PBCH signals.

Step 504, in the 4th time resource, respectively use first antenna port and the second antenna port, repeatedly send institute State PSS.

Optionally, described in the 4th time resource, first antenna port and the second antenna port are used respectively, are repeatedly sent The PSS, including：

It in the 4th time resource, using the second antenna port, occupies the first default frequency range and sends the PSS, and use the One antenna port occupies the second default frequency range and sends the PSS.

In the embodiment, due in the 4th time resource, using different antenna ports, occupying different frequency range hairs PSS is sent, so as to further improve the detection performance of PSS, certainly, in the embodiment of the present invention, when not being limited to the 4th Between in resource, the mode of PSS twice is sent using the above-mentioned first default frequency range and the second default frequency range, such as：It can also be point Three or four frequency ranges are sent, and this is not limited by the present invention.

Step 505, in the 5th time resource, respectively use first antenna port and the second antenna port, repeatedly send institute State SSS.

Optionally, described in the 5th time resource, first antenna port and the second antenna port are used respectively, are repeatedly sent The SSS, including：

It in the 5th time resource, using the second antenna port, occupies the first default frequency range and sends the SSS, and use the One antenna port occupies the second default frequency range and sends the SSS.

In the embodiment, due in the 5th time resource, using different antenna ports, occupying different frequency range hairs SSS is sent, so as to further improve the detection performance of SSS, certainly, in the embodiment of the present invention, when not being limited to the 5th Between send in resource, the mode of SSS twice is sent using the above-mentioned first default frequency range and the second default frequency range, such as：It can be with It is that points three or four frequency ranges are sent, this is not limited by the present invention.

Optionally, in the present embodiment, the first default frequency range is less than predetermined threshold value, and the second default frequency range is higher than pre- If threshold value.

Wherein, above-mentioned predetermined threshold value can be preconfigured network side equipment or network side equipment and user terminal Negotiate in advance.

In the embodiment, the signal that may be implemented in same synchronous access signal group accesses signal group pair using the synchronization The time resource answered is sent, you can to realize that the signal in different synchronous access signal groups is sent out using different time resources It send, to improve the detection performance of synchronous access signal group.

Such as：One synchronous access signal group occupies a slot and sends, and PSS therein, SSS will be sent twice, It sends and repeats 2 times every time.PSS is sent in the 1st OFDM symbol in slot and carries out for the first time, and identical PSS sequences are at this It repeats twice in OFDM symbol, first pass occupies lower frequency range and with the transmission of antenna port 0, occupies higher frequency range second time It is sent with antenna port 1.PSS is sent in the progress of the 6th OFDM symbol in slot for the second time, and identical PSS sequences are also at this It is repeated twice in OFDM symbol, unlike for the first time, first pass occupies lower frequency range and is sent with antenna port 1, the Secondary to occupy the transmission of antenna port 1 of higher frequency range, i.e., second of transmission is compared with first time sends, low-frequency range and high band PSS sequence transmission antennas port switched.SSS sends use 2nd OFDM of the antenna port 0 in slot for the first time Symbol is sent, and second of the 7th OFDM symbol sent using antenna port 1 in slot of PSS is sent.SSS is sent for the first time The 2nd OFDM symbol in slot carries out, and identical SSS sequences repeat twice in the OFDM symbol, first pass occupy compared with It low frequency range and is sent with antenna port 0, occupies higher frequency range antenna port 1 and send for second time.SSS is sent in for the second time The 7th OFDM symbol in slot carries out, and identical SSS sequences also repeat twice in the OFDM symbol, different from first time , first pass occupies lower frequency range and sent with antenna port 1, occupies the higher hair of frequency range antenna port 1 for the second time It send, i.e. compared with first time sends, the SSS sequence transmission antennas port of low-frequency range and high band is cut for second of transmission It changes.And PBCH can then use two antenna ports in the way of space-frequency diversity and space and time diversity at the 3rd, 4 and 5 simultaneously OFDM symbol is sent.The two antenna ports and PSS, the antenna port that SSS is used are identical.The signal of entire SS block Structure is as shown in Figure 6.In this way, PBCH can carry out channel estimation by PSS and SSS, to just eliminate the expense of CRS, Improve spectrum efficiency.

In the citing, user terminal can use different antenna port in double antenna port, in corresponding OFDM symbol, PSS the and SSS signals in synchronous access signal group are detected by corresponding frequency range, realize accurate time and Frequency Synchronization.So Afterwards channel estimation is carried out by PSS and SSS, PBCH signals is detected with this, to obtain system information.

In addition, the present embodiment repeats to send PSS and SSS twice in each antenna port, and respectively slot's Both ends, to substantially increase the performance of channel estimation.In addition, when sending PSS by first time and send PSS second, Low-frequency range and high band have switched the antenna port of transmission, and by first time transmission SSS and when sending SSS for the second time, Low-frequency range and high band have switched the antenna port of transmission, so as to further improve the performance of channel estimation.

Fourth embodiment

It is a kind of flow chart of the sending method of synchronous access signal group provided in an embodiment of the present invention referring to Fig. 7, Fig. 7, It includes PSS, SSS and PBCH signal that the synchronization, which accesses signal group, and this method can be applied to network side equipment, as shown in fig. 7, packet Include following steps：

Step 701 is occupied the first default frequency range and is sent the PSS in first time resource using first antenna port, And the second antenna port is used, it occupies the second default frequency range and sends the SSS.

Wherein, the above-mentioned first default frequency range and the above-mentioned second default frequency range can be two companies in above-mentioned first time resource Continuous frequency range.

Step 702 is occupied the first default frequency range and is sent the SSS in the second time resource using first antenna port, And the second antenna port is used, it occupies the second default frequency range and sends the PSS.

Wherein, the second time resource can be with the above-mentioned continuous time resource of first time resource, certainly, to this this hair Bright embodiment is not construed as limiting.

Step 703, in third time resource, use first antenna port and the second antenna port to send the PBCH letters Number.

Wherein, third time resource can be with the above-mentioned continuous time resource of second time resource, certainly, to this this hair Bright embodiment is not construed as limiting.

Wherein, above-mentioned in third time resource, using first antenna port and the second antenna port, using space-frequency diversity or The mode of person's space and time diversity sends PBCH signals, Ke Yishi：Adjacent at least two subcarriers in third time resource or At least two PBCH signal codes that are sent at least two OFDM symbol of person carry out precoding, and the symbol after coding is respectively the It is sent on one antenna port and the second antenna port.

Step 704 is occupied the first default frequency range and is sent the PSS in the 4th time resource using first antenna port, And the second antenna port is used, it occupies the second default frequency range and sends the SSS.

Wherein, the 4th time resource can be with the above-mentioned continuous time resource of third time resource, certainly, to this this hair Bright embodiment is not construed as limiting.

Step 705 is occupied the first default frequency range and is sent the SSS in the 5th time resource using first antenna port, And the second antenna port is used, it occupies the second default frequency range and sends the PSS.

Wherein, the 5th time resource can be with the continuous time resource of above-mentioned 4th time resource, certainly, to this this hair Bright embodiment is not construed as limiting.

Such as：One synchronous access signal group occupies a slot and sends, and PSS therein, SSS will carry out four transmissions, The 1st, 2,6 and 7 OFDM symbol is used to send respectively.In the 1st OFDM symbol, PSS occupies lower frequency range and uses antenna end Mouth 0 is sent, and SSS occupies higher frequency range and sent with antenna port 1.In the 2nd OFDM symbol, PSS occupies higher frequency range And sent with antenna port 1, SSS occupies lower frequency range and sends i.e. the 2nd OFDM symbol and the 1st with antenna port 0 OFDM symbol is compared, PSS, and the position of SSS and antenna end slogan are all exchanged.In the 6th OFDM symbol, PSS occupy compared with It high frequency range and is sent with antenna port 0, SSS occupies lower frequency range and with the transmission of antenna port 1.That is 6 OFDM symbols with 1st OFDM symbol is compared, and the position of PSS, SSS are all exchanged, and antenna end slogan is constant.In the 7th OFDM symbol, PSS occupies lower frequency range and is sent with antenna port 1, and SSS occupies higher frequency range and sent with antenna port 0.I.e. the 6th For OFDM symbol compared with the 7th OFDM symbol, the position of PSS, SSS and antenna end slogan all have occurred that exchange PBCH then always same When sent in the 3rd, 4 and 5 OFDM symbol in the way of space-frequency diversity and space and time diversity using two antenna ports.This The antenna port that two antenna ports and PSS, SSS are used is identical.Signal structure such as Fig. 8 institutes of entire synchronous access signal group Show.In this way, PBCH can carry out channel estimation by PSS and SSS, to just eliminate the expense of CRS, frequency spectrum effect is improved Rate.

In the embodiment, user terminal can use antenna port different in double antenna port, in corresponding OFDM Symbol detects PSS and SSS signals by corresponding frequency range, realizes accurate time and Frequency Synchronization.Then pass through PSS and SSS Channel estimation is carried out, PBCH signals are detected with this, to obtaining system information.

It is four transmissions, i.e. PSS in two OFDM symbols due to being based on PSS and SSS in addition, in the embodiment It is only had sent once in each OFDM symbol with SSS, thus greatly reduces PAPR.In addition, by PSS and SSS in low frequency The antenna port that section and high band use when sending has carried out frequent switching, further improves the new energy of channel estimation.

In addition, in the present embodiment, four time resources can be used to send PSS and SSS, and same time resource is in difference Frequency range on using different antenna ports send PSS and SSS respectively, allow for the peak value of the OFDM symbol and average work(in this way Rate ratio (PAPR) substantially reduces, to improve the performance of system.

5th embodiment

It is a kind of method of reseptance of synchronous access signal group provided in an embodiment of the present invention referring to Fig. 9, Fig. 9, feature exists In the synchronous access signal group includes PSS, SSS and PBCH signal, and this method can be applied to user terminal, such as Fig. 9 institutes Show, includes the following steps：

Step 901, by different antenna ports, different time resources and/or different frequency resources, described in detection The PSS and SSS.

In step 901 user terminal can use use when sending the PSS and the SSS with network side equipment The corresponding antenna port of antenna port detects the PSS and the SSS on corresponding time resource and/or frequency resource.Example Such as：It sends PSS for the first time to send using first antenna port in first time resource, then user terminal can be at first Between resource use third antenna Port detecting PSS corresponding with first antenna port.

Step 902 carries out channel estimation using the PSS detected the and SSS, obtains channel estimation results.

When detecting that PSS and SSS user terminals can be carried out channel estimation, to obtain channel estimation results.Certainly, it uses Family terminal detects PSS and can also to carry out the time after SSS synchronous with frequency.

Step 903, using the channel estimation results, use at least two antenna ports to detect the PBCH signals.

Since above-mentioned PSS, SSS and PBCH belong to same synchronous access signal group, so as to use the letter of PSS and SSS Road estimated result detects PBCH.

Optionally, described to pass through different antenna ports, different time resources and/or different frequency resources, detection The PSS and SSS, including：

In first time resource, PSS described in third antenna Port detecting is used；

In the second time resource, the SSS is detected using the 4th antenna port；

In the 4th time resource, PSS described in third antenna Port detecting is reused；

In the 5th time resource, reuses the 4th antenna port and detect the SSS；

It is described to utilize the channel estimation results, the PBCH signals are detected using at least two antenna ports, including：

It is examined using first antenna port and the second antenna port using the channel estimation results in third time resource Survey the PBCH signals.

Wherein, third antenna port is corresponding with the first antenna port of network side equipment, the 4th antenna port and network side Second antenna port of equipment corresponds to, in addition, may refer in first embodiment to fourth embodiment about above-mentioned time resource Respective description, do not repeat herein, and identical advantageous effect can be reached.

In first time resource, third antenna port and the 4th antenna port are used respectively, PSS described in repeated detection；

In the second time resource, third antenna port and the 4th antenna port are used respectively, SSS described in repeated detection；

In the 4th time resource, third antenna port and the 4th antenna port are used respectively, PSS described in repeated detection；

In the 5th time resource, third antenna port and the 4th antenna port are used respectively, SSS described in repeated detection；

It is examined using third antenna port and the 4th antenna port using the channel estimation results in third time resource Survey the PBCH signals.

Wherein, the respective description in first embodiment to fourth embodiment is may refer to about above-mentioned time resource, herein It does not repeat, and identical advantageous effect can be reached.

Optionally, described in first time resource, third antenna port and the 4th antenna port, repeated detection are used respectively The PSS, including：

In first time resource, using third antenna port, the PSS is detected by the first default frequency range, and uses the Four antenna ports detect the PSS by the second default frequency range；

It is described in the second time resource, third antenna port and the 4th antenna port are used respectively, described in repeated detection SSS, including：

In the second time resource, using third antenna port, the SSS is detected by the first default frequency range, and uses the Four antenna ports detect the SSS by the second default frequency range；

It is described in the 4th time resource, third antenna port and the 4th antenna port are used respectively, described in repeated detection PSS, including：

In the 4th time resource, using the 4th antenna port, the PSS is detected by the first default frequency range, and uses the The PSS is detected in triantennary port by the second default frequency range；

It is described in the 5th time resource, third antenna port and the 4th antenna port are used respectively, described in repeated detection SSS, including：

In the 5th time resource, using the 4th antenna port, the SSS is detected by the first default frequency range, and uses the The SSS is detected in triantennary port by the second default frequency range.

In first time resource, using third antenna port, the PSS is detected by the first default frequency range, and uses the The SSS is detected in two days ports by the second default frequency range；

In the second time resource, using third antenna port, the SSS is detected by the first default frequency range, and uses the The PSS is detected in two days ports by the second default frequency range；

In the 4th time resource, using third antenna port, the PSS is detected by the first default frequency range, and uses the The SSS is detected in two days ports by the second default frequency range；

In the 5th time resource, using third antenna port, the SSS is detected by the first default frequency range, and uses the The PSS is detected in two days ports by the second default frequency range；

Wherein, the corresponding theory in first embodiment to fourth embodiment is may refer to about above-mentioned time resource and frequency range It is bright, it does not repeat herein, and identical advantageous effect can be reached.

Optionally, the described first default frequency range is less than predetermined threshold value, and the second default frequency range is higher than predetermined threshold value.

Optionally, described to use third antenna port and the 4th using the channel estimation results in third time resource Antenna port detects the PBCH signals, including：

In third time resource, led to using third antenna port and the 4th antenna port using the channel estimation results The mode for crossing space-frequency diversity or space and time diversity detects the PBCH signals.

Wherein, the phase in first embodiment to fourth embodiment is may refer to about above-mentioned space-frequency diversity or space and time diversity It should be noted that do not repeat herein, and identical advantageous effect can be reached.

Optionally, time resource corresponding with the synchronous access signal group is slot s lot, the first time resource For the 1st orthogonal frequency division multiplex OFDM symbol in the slot, second time resource is the 2nd in the slot OFDM symbol, the third time resource are the 3rd, 4 and 5 OFDM symbol in the slot, and the 4th time resource is The 6th OFDM symbol in the slot, the 5th time resource are the 7th OFDM symbol in the slot.

It should be noted that the present embodiment is as the implementation with first embodiment to the corresponding user terminal of fourth embodiment Mode, specific embodiment may refer to first embodiment to fourth embodiment related description, and reach identical and have Beneficial effect, in order to avoid repeated explanation, details are not described herein again.

Sixth embodiment

It is a kind of structure chart of network side equipment provided in an embodiment of the present invention referring to Figure 10, Figure 10, can realizes The details of the sending method of synchronous access signal group in one embodiment to fourth embodiment, and reach identical effect.The net Transmission of the network side apparatus for synchronous access signal grade, the synchronous access signal group includes PSS, SSS and PBCH signal.Such as figure Shown in 10, network side equipment 1000 includes：First sending module 1001, the second sending module 1002 and third sending module 1003, wherein：

First sending module 1001, for using different antenna ports, different time resources and/or different frequencies Resource sends the PSS and the SSS respectively；

Second sending module 1002 sends the PBCH signals for using at least two antenna ports；

Third sending module 1003, for using different antenna ports, different time resources and/or different frequencies Resource sends the PSS and the SSS respectively again.

Optionally, as shown in figure 11, the first sending module 1001 includes：

First sending submodule 10011, in first time resource, the PSS to be sent using first antenna port；

Second sending submodule 10012, in the second time resource, the SSS to be sent using the second antenna port；

Second sending module 1002 is specifically used for, in third time resource, using first antenna port and second day Line end mouth sends the PBCH signals；

The third sending module 1003, including：

Third sending submodule 10031, in the 4th time resource, reusing described in the transmission of first antenna port PSS；

4th sending submodule 10032, in the 5th time resource, reusing described in the transmission of the second antenna port SSS。

Optionally, as shown in figure 12, the first sending module 1001 includes：

5th sending submodule 10013, in first time resource, using first antenna port and the second antenna respectively Port repeatedly sends the PSS；

6th sending submodule 10014, in the second time resource, using first antenna port and the second antenna respectively Port repeatedly sends the SSS；

Second sending module 1005 is specifically used for, in third time resource, using first antenna port and second day Line end mouth sends the PBCH signals；

The third sending module 1003, including：

7th sending submodule 10033, in the 4th time resource, using first antenna port and the second antenna respectively Port repeatedly sends the PSS；

8th sending submodule 10034, in the 5th time resource, using first antenna port and the second antenna respectively Port repeatedly sends the SSS.

Optionally, the 5th sending submodule 10013 is specifically used for, in first time resource, using first antenna end Mouth occupies the first default frequency range and sends the PSS, and uses the second antenna port, occupies described in the second default frequency range transmission PSS；

6th sending submodule 10014 is specifically used for, in the second time resource, using first antenna port, occupying First default frequency range sends the SSS, and uses the second antenna port, occupies the second default frequency range and sends the SSS；

7th sending submodule 10033 is specifically used for, in the 4th time resource, using the second antenna port, occupying First default frequency range sends the PSS, and using first antenna port, occupies the second default frequency range and send the PSS；

8th sending submodule 10034 is specifically used for, in the 5th time resource, using the second antenna port, occupying First default frequency range sends the SSS, and using first antenna port, occupies the second default frequency range and send the SSS.

Optionally, as shown in figure 13, the first sending module 1001 includes：

9th sending submodule 10015, for it is default to occupy first using first antenna port in first time resource Frequency range sends the PSS, and uses the second antenna port, occupies the second default frequency range and sends the SSS；

Tenth sending submodule 10016, for it is default to occupy first using first antenna port in the second time resource Frequency range sends the SSS, and uses the second antenna port, occupies the second default frequency range and sends the PSS；

The third sending module 1003, including：

11st sending submodule 10035, for it is pre- to occupy first using first antenna port in the 4th time resource If frequency range sends the PSS, and uses the second antenna port, occupies the second default frequency range and send the SSS；

12nd sending submodule 10036, for it is pre- to occupy first using first antenna port in the 5th time resource If frequency range sends the SSS, and uses the second antenna port, occupies the second default frequency range and send the PSS.

Optionally, second sending module 1002 is specifically used for, in third time resource, using first antenna end Mouthful and the second antenna port send the PBCH signals in the way of space-frequency diversity or space and time diversity.

Optionally, second sending module 1002 is specifically used for the first PBCH information symbols and the 2nd PBCH information Symbol carries out precoding, and sends precoding knot using first antenna port and the second antenna port in third time resource Fruit.

Optionally, time resource corresponding with the synchronous access signal group is slot s lot, the first time resource For the 1st OFDM symbol in the slot, second time resource is the 2nd OFDM symbol in the slot, described Third time resource is the 3rd, 4 and 5 OFDM symbol in the slot, and the 4th time resource is the in the slot 6 OFDM symbols, the 5th time resource are the 7th OFDM symbol in the slot.

It should be noted that above-mentioned network side equipment 1000 can be that method is implemented in the embodiment of the present invention in the present embodiment The network side equipment of arbitrary embodiment in example, in the embodiment of the present invention in embodiment of the method network side equipment arbitrary embodiment party Formula can be realized by the above-mentioned network side equipment 1000 in the present embodiment, and reach identical advantageous effect, herein not It repeats again.

7th embodiment

It is a kind of structure chart of user terminal provided in an embodiment of the present invention referring to Figure 14, Figure 14, can realizes that the 5th is real The details of the method for reseptance of the synchronous access signal group in example is applied, and reaches identical effect.The user terminal connects for synchronizing Enter the reception of signal group, which is characterized in that the synchronous access signal group includes PSS, SSS and PBCH signal.As shown in figure 14, User terminal 1400 includes：First detection module 1401, channel estimation module 1402 and the second detection module 1403, wherein：

First detection module 1401, for passing through different antenna ports, different time resources and/or different frequencies Resource detects the PSS and the SSS；

Channel estimation module 1402 obtains letter for carrying out channel estimation using the PSS detected the and SSS Road estimated result；

Second detection module 1403 detects institute for utilizing the channel estimation results using at least two antenna ports State PBCH signals.

Optionally, as shown in figure 15, the first detection module 1401 includes：

First detection sub-module 14011, in first time resource, using PSS described in third antenna Port detecting；

Second detection sub-module 14012, in the second time resource, the SSS to be detected using the 4th antenna port；

Third detection sub-module 14013, in the 4th time resource, reusing described in third antenna Port detecting PSS；

4th detection sub-module 14014, in the 5th time resource, reusing described in the detection of the 4th antenna port SSS；

Second detection module 1403 is specifically used for, in third time resource, using the channel estimation results, using First antenna port and the second antenna port detect the PBCH signals.

Optionally, as shown in figure 16, first detection module 1401 includes：

5th detection sub-module 14015, in first time resource, using third antenna port and the 4th antenna respectively Port, PSS described in repeated detection；

6th detection sub-module 14016, in the second time resource, using third antenna port and the 4th antenna respectively Port, SSS described in repeated detection；

7th detection sub-module 14017, in the 4th time resource, using third antenna port and the 4th antenna respectively Port, PSS described in repeated detection；

8th detection sub-module 14018, in the 5th time resource, using third antenna port and the 4th antenna respectively Port, SSS described in repeated detection；

Second detection module 1403 is specifically used for, in third time resource, using the channel estimation results, using Third antenna port and the 4th antenna port detect the PBCH signals.

Optionally, the 5th detection sub-module 14015 is specifically used for, in first time resource, using third antenna end Mouthful, the PSS is detected by the first default frequency range, and use the 4th antenna port, described in the second default frequency range detection PSS；

6th detection sub-module 14016 is specifically used for passing through using third antenna port in the second time resource First default frequency range detects the SSS, and uses the 4th antenna port, and the SSS is detected by the second default frequency range；

7th detection sub-module 14017 is specifically used for passing through using the 4th antenna port in the 4th time resource First default frequency range detects the PSS, and using third antenna port, and the PSS is detected by the second default frequency range；

8th detection sub-module 14018 is specifically used for passing through using the 4th antenna port in the 5th time resource First default frequency range detects the SSS, and using third antenna port, and the SSS is detected by the second default frequency range.

Optionally, as shown in figure 17, first detection module 1401 includes：

9th detection sub-module 14019, for being preset by first using third antenna port in first time resource Frequency range detects the PSS, and uses second day port, and the SSS is detected by the second default frequency range；

Tenth detection sub-module 140110, for being preset by first using third antenna port in the second time resource Frequency range detects the SSS, and uses second day port, and the PSS is detected by the second default frequency range；

11st detection sub-module 140111 is used in the 4th time resource, pre- by first using third antenna port If frequency range detects the PSS, and uses second day port, the SSS is detected by the second default frequency range；

12nd detection sub-module 140112 is used in the 5th time resource, pre- by first using third antenna port If frequency range detects the SSS, and uses second day port, the PSS is detected by the second default frequency range；

Optionally, second detection module 1403 is specifically used for, in third time resource, utilizing the channel estimation knot Fruit detects the PBCH using third antenna port and the 4th antenna port by way of space-frequency diversity or space and time diversity Signal.

It should be noted that above-mentioned user terminal 1400 can be embodiment of the method in the embodiment of the present invention in the present embodiment In arbitrary embodiment user terminal, the arbitrary embodiment of user terminal all may be used in embodiment of the method in the embodiment of the present invention To be realized by the above-mentioned user terminal 1400 in the present embodiment, and reach identical advantageous effect, details are not described herein again.

8th embodiment

It is the structure chart of the network side equipment of application of the embodiment of the present invention referring to Figure 18, Figure 18, can realizes the first implementation Example synchronizes the details for the sending method for accessing signal group in fourth embodiment, and reaches identical effect, wherein synchronizes and connects It includes PSS, SSS and PBCH signal to enter signal group.As shown in figure 18, which includes：Processor 1801, transmitting-receiving Machine 1802, memory 1803, user interface 1804 and bus interface, wherein：

Processor 1801 executes following process for reading the program in memory 1803：

Using at least two antenna ports, the PBCH signals are sent；

Wherein, transceiver 1802, for sending and receiving data, the transceiver 1802 under the control of processor 1801 Including at least two antenna ports.

In figure 18, bus architecture may include the bus and bridge of any number of interconnection, specifically by 1801 generation of processor The various circuits for the memory that the one or more processors and memory 1803 of table represent link together.Bus architecture may be used also To link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, these are all It is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 1802 can To be multiple element, that is, includes transmitter and receiver, the list for being communicated over a transmission medium with various other devices is provided Member.For different user equipmenies, user interface 1804, 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 1801 is responsible for bus architecture and common processing, and memory 1803 can store processor 1801 and exist Execute used data when operation.

Optionally, what processor 1801 executed uses different antenna ports, different time resources and/or different frequencies Rate resource sends the PSS and the SSS respectively, including：

In first time resource, the PSS is sent using first antenna port；

In the second time resource, the SSS is sent using the second antenna port；

At least two antenna port of use that processor 1801 executes, sends the PBCH signals, including：

In third time resource, the PBCH signals are sent using first antenna port and the second antenna port；

Processor 1801 execute using different antenna ports, different time resources and/or different frequency resources, Send the PSS and the SSS respectively again, including：

In the 4th time resource, reuses first antenna port and send the PSS；

In the 5th time resource, reuses the second antenna port and send the SSS.

In first time resource, first antenna port and the second antenna port are used respectively, repeatedly sends the PSS；

In the second time resource, first antenna port and the second antenna port are used respectively, repeatedly sends the SSS；

In the 4th time resource, first antenna port and the second antenna port are used respectively, repeatedly sends the PSS；

In the 5th time resource, first antenna port and the second antenna port are used respectively, repeatedly sends the SSS.

Optionally, processor 1801 execute in first time resource, respectively use first antenna port and the second antenna Port repeatedly sends the PSS, including：

Processor 1801 execute in the 4th time resource, respectively use first antenna port and the second antenna port, it is more The secondary transmission PSS, including：

It in the 4th time resource, using the second antenna port, occupies the first default frequency range and sends the PSS, and use the One antenna port occupies the second default frequency range and sends the PSS；

Processor 1801 execute in the second time resource, respectively use first antenna port and the second antenna port, it is more The secondary transmission SSS, including：

It in the second time resource, using first antenna port, occupies the first default frequency range and sends the SSS, and use the Two antenna ports occupy the second default frequency range and send the SSS；

Processor 1801 execute in the 5th time resource, respectively use first antenna port and the second antenna port, it is more The secondary transmission SSS, including：

It in first time resource, using first antenna port, occupies the first default frequency range and sends the PSS, and use the Two antenna ports occupy the second default frequency range and send the SSS；

It in the second time resource, using first antenna port, occupies the first default frequency range and sends the SSS, and use the Two antenna ports occupy the second default frequency range and send the PSS；

It in the 4th time resource, using first antenna port, occupies the first default frequency range and sends the PSS, and use the Two antenna ports occupy the second default frequency range and send the SSS；

It in the 5th time resource, using first antenna port, occupies the first default frequency range and sends the SSS, and use the Two antenna ports occupy the second default frequency range and send the PSS.

Optionally, processor 1801 execute in third time resource, use first antenna port and the second antenna port The PBCH signals are sent, including：

Optionally, processor 1801 execute in third time resource, using first antenna port and the second antenna port, In the way of space-frequency diversity or space and time diversity, the PBCH signals are sent, including：

It should be noted that above-mentioned network side equipment 1800 can be that method is implemented in the embodiment of the present invention in the present embodiment The network side equipment of arbitrary embodiment in example, in the embodiment of the present invention in embodiment of the method network side equipment arbitrary embodiment party Formula can be realized by the above-mentioned network side equipment 1800 in the present embodiment, and reach identical advantageous effect, herein not It repeats again.

9th embodiment

It is the structure chart of the user terminal of application of the embodiment of the present invention referring to Figure 19, Figure 19, can realizes the 5th embodiment In synchronizing signal method of reseptance details, and reach identical effect, wherein synchronous access signal group includes PSS, SSS With PBCH signals.As shown in figure 19, user terminal 1900 includes：It is at least one processor 1901, memory 1902, at least one Network interface 1904 and user interface 1903.Various components in terminal 1900 are coupled by bus system 1905.It can Understand, bus system 1905 is for realizing the connection communication between these components.Bus system 1905 except include data/address bus it Outside, further include power bus, controlling bus and status signal bus in addition.It, will be various in Figure 19 but for the sake of clear explanation Bus is all designated as bus system 1905.

Wherein, user interface 1903 may include display, keyboard or pointing device (for example, mouse, trace ball (track ball), touch-sensitive plate or touch screen etc..

It is appreciated that the memory 1902 in the embodiment of the present invention can be volatile memory or non-volatile memories Both device, or may include volatile and non-volatile memory.Wherein, nonvolatile memory can be read-only memory (Read-Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), erasable programmable are only Read memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, ) or flash memory EEPROM.Volatile memory can be random access memory (Random Access Memory, RAM), use Make External Cache.By exemplary but be not restricted explanation, the RAM of many forms is available, such as static random-access Memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random-access Memory (Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate SDRAM, DDRSDRAM), it is enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronous Connect dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory (Direct Rambus RAM, DRRAM).The memory 1902 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 1902 stores following element, executable modules or data structures, or Their subset of person or their superset：Operating system 19021 and application program 19022.

Wherein, operating system 19021, including various system programs, such as ccf layer, core library layer, driving layer etc., are used for Realize various basic businesses and the hardware based task of processing.Application program 19022, including various application programs, such as matchmaker Body player (Media Player), browser (Browser) etc., for realizing various applied business.Realize that the present invention is implemented The program of example method may be embodied in application program 19022.

In embodiments of the present invention, by the program for calling memory 1902 to store or instruction, specifically, can be application The program stored in program 19022 or instruction, processor 1901 are used for：

The method that the embodiments of the present invention disclose can be applied in processor 1901, or real by processor 1901 It is existing.Processor 1901 may be a kind of IC chip, the processing capacity with signal.During realization, the above method Each step can be completed by the instruction of the integrated logic circuit of the hardware in processor 1901 or software form.Above-mentioned Processor 1901 can be general processor, digital signal processor (Digital Signal Processor, DSP), special Integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic, Discrete hardware components.It may be implemented or execute disclosed each method, step and the logic diagram in the embodiment of the present invention.It is general Processor can be microprocessor or the processor can also be any conventional processor etc..In conjunction with institute of the embodiment of the present invention The step of disclosed method, can be embodied directly in hardware decoding processor and execute completion, or with the hardware in decoding processor And software module combination executes completion.Software module can be located at random access memory, and flash memory, read-only memory may be programmed read-only In the storage medium of this fields such as memory or electrically erasable programmable memory, register maturation.The storage medium is located at The step of memory 1902, processor 1901 reads the information in memory 1902, the above method is completed in conjunction with its hardware.

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

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

Optionally, what processor 1901 executed passes through different antenna ports, different time resources and/or different frequencies Rate resource detects the PSS and the SSS, including：

In the second time resource, the SSS is detected using the 4th antenna port；

In the 5th time resource, reuses the 4th antenna port and detect the SSS；

The utilization channel estimation results that processor 1901 executes detect the PBCH using at least two antenna ports Signal, including：

Optionally, processor 1901 execute in first time resource, respectively use third antenna port and the 4th antenna Port, PSS described in repeated detection, including：

Processor 1901 execute in the second time resource, respectively use third antenna port and the 4th antenna port, it is more The secondary detection SSS, including：

Processor 1901 execute in the 4th time resource, respectively use third antenna port and the 4th antenna port, it is more The secondary detection PSS, including：

Processor 1901 execute in the 5th time resource, respectively use third antenna port and the 4th antenna port, it is more The secondary detection SSS, including：

Optionally, what processor 1901 executed uses third day in third time resource using the channel estimation results Line end mouth and the 4th antenna port detect the PBCH signals, including：

It should be noted that above-mentioned user terminal 1900 can be embodiment of the method in the embodiment of the present invention in the present embodiment In arbitrary embodiment user terminal, the arbitrary embodiment of user terminal all may be used in embodiment of the method in the embodiment of the present invention To be realized by the above-mentioned user terminal 1900 in the present embodiment, and reach identical advantageous effect, details are not described herein again.

Those of ordinary skill in the art may realize that lists described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, depends on the specific application and design constraint of technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed The scope of the present invention.

It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.

In embodiment provided herein, it should be understood that disclosed device and method can pass through others Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only A kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, device or unit It connects, can be electrical, machinery or other forms.

The unit illustrated as separating component may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple In network element.Some or all of unit therein can be selected according to the actual needs to realize the embodiment of the present invention Purpose.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.

It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product It is stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially in other words The part of the part that contributes to existing technology or the technical solution can be expressed in the form of software products, the meter Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention. And storage medium above-mentioned includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can to store program code Medium.

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

Claims

1. a kind of sending method of synchronous access signal group, which is characterized in that the synchronous access signal group includes main synchronous letter Number PSS, subsynchronous signal SSS and Physical Broadcast Channel PBCH signals, the method includes：

Using different antenna ports, different time resources and/or different frequency resources, the PSS and institute are sent respectively State SSS；

Using at least two antenna ports, the PBCH signals are sent；

Using different antenna ports, different time resources and/or different frequency resources, the PSS is sent respectively again With the SSS.

2. the method as described in claim 1, which is characterized in that described to use different antenna ports, different time resources And/or different frequency resources, the PSS and the SSS are sent respectively, including：

In first time resource, the PSS is sent using first antenna port；

In the second time resource, the SSS is sent using the second antenna port；

It is described to use at least two antenna ports, the PBCH signals are sent, including：

It is described using different antenna ports, different time resources and/or different frequency resources, again respectively send described in The PSS and SSS, including：

In the 4th time resource, reuses first antenna port and send the PSS；

In the 5th time resource, reuses the second antenna port and send the SSS.

3. the method as described in claim 1, which is characterized in that described to use different antenna ports, different time resources And/or different frequency resources, the PSS and the SSS are sent respectively, including：

4. method as claimed in claim 3, which is characterized in that it is described in first time resource, first antenna end is used respectively Mouth and the second antenna port, repeatedly send the PSS, including：

It occupies the first default frequency range using first antenna port in first time resource and sends the PSS, and use second day Line end mouth occupies the second default frequency range and sends the PSS；

It is described to use first antenna port and the second antenna port respectively in the 4th time resource, repeatedly send the PSS, it wraps It includes：

It occupies the first default frequency range using the second antenna port in the 4th time resource and sends the PSS, and use first day Line end mouth occupies the second default frequency range and sends the PSS；

It is described to use first antenna port and the second antenna port respectively in the second time resource, repeatedly send the SSS, it wraps It includes：

It occupies the first default frequency range using first antenna port in the second time resource and sends the SSS, and use second day Line end mouth occupies the second default frequency range and sends the SSS；

It is described to use first antenna port and the second antenna port respectively in the 5th time resource, repeatedly send the SSS, it wraps It includes：

It occupies the first default frequency range using the second antenna port in the 5th time resource and sends the SSS, and use first day Line end mouth occupies the second default frequency range and sends the SSS.

5. the method as described in claim 1, which is characterized in that described to use different antenna ports, different time resources And/or different frequency resources, the PSS and the SSS are sent respectively, including：

It occupies the first default frequency range using first antenna port in first time resource and sends the PSS, and use second day Line end mouth occupies the second default frequency range and sends the SSS；

It occupies the first default frequency range using first antenna port in the second time resource and sends the SSS, and use second day Line end mouth occupies the second default frequency range and sends the PSS；

It occupies the first default frequency range using first antenna port in the 4th time resource and sends the PSS, and use second day Line end mouth occupies the second default frequency range and sends the SSS；

It occupies the first default frequency range using first antenna port in the 5th time resource and sends the SSS, and use second day Line end mouth occupies the second default frequency range and sends the PSS.

6. method as described in claim 4 or 5, which is characterized in that the first default frequency range is less than predetermined threshold value, and described the Two default frequency ranges are higher than predetermined threshold value.

7. such as claim 2 to 5 any one of them method, which is characterized in that it is described in third time resource, it uses first day Line end mouth and the second antenna port send the PBCH signals, including：

In third time resource, using first antenna port and the second antenna port, space-frequency diversity or space and time diversity are utilized Mode sends the PBCH signals.

8. the method for claim 7, which is characterized in that it is described in third time resource, using first antenna port and Second antenna port sends the PBCH signals in the way of space-frequency diversity or space and time diversity, including：

Precoding is carried out to the first PBCH information symbols and the 2nd PBCH information symbols, and in third time resource, uses first Antenna port and the second antenna port send pre-encoding results.

9. such as claim 2 to 5 any one of them method, which is characterized in that when corresponding with the synchronous access signal group Between resource, including the first time resource, second time resource, the third time resource, the 4th time money Source and the 5th time resource.

10. method as claimed in claim 9, which is characterized in that time resource corresponding with the synchronous access signal group is Slot s lot, the first time resource are the 1st orthogonal frequency division multiplex OFDM symbol in the slot, second time Resource is the 2nd OFDM symbol in the slot, and the third time resource is the 3rd, 4 and 5 OFDM in the slot Symbol, the 4th time resource are the 6th OFDM symbol in the slot, and the 5th time resource is in the slot The 7th OFDM symbol.

11. a kind of method of reseptance of synchronous access signal group, which is characterized in that the synchronous access signal group includes main synchronous letter Number PSS, subsynchronous signal SSS and Physical Broadcast Channel PBCH signals, the method includes：

By different antenna ports, different time resources and/or different frequency resources, the PSS and described is detected SSS；

12. method as claimed in claim 11, which is characterized in that described to be provided by different antenna ports, different time Source and/or different frequency resources detect the PSS and the SSS, including：

In the second time resource, the SSS is detected using the 4th antenna port；

In the 5th time resource, reuses the 4th antenna port and detect the SSS；

In third time resource, using the channel estimation results, institute is detected using first antenna port and the second antenna port State PBCH signals.

13. method as claimed in claim 11, which is characterized in that described to be provided by different antenna ports, different time Source and/or different frequency resources detect the PSS and the SSS, including：

In third time resource, using the channel estimation results, institute is detected using third antenna port and the 4th antenna port State PBCH signals.

14. method as claimed in claim 13, which is characterized in that it is described in first time resource, third antenna is used respectively Port and the 4th antenna port, PSS described in repeated detection, including：

In first time resource, using third antenna port, the PSS is detected by the first default frequency range, and use the 4th day Line end mouth detects the PSS by the second default frequency range；

It is described to use third antenna port and the 4th antenna port respectively in the second time resource, SSS described in repeated detection, packet It includes：

In the second time resource, using third antenna port, the SSS is detected by the first default frequency range, and use the 4th day Line end mouth detects the SSS by the second default frequency range；

It is described to use third antenna port and the 4th antenna port respectively in the 4th time resource, PSS described in repeated detection, packet It includes：

In the 4th time resource, using the 4th antenna port, the PSS is detected by the first default frequency range, and use third day Line end mouth detects the PSS by the second default frequency range；

It is described to use third antenna port and the 4th antenna port respectively in the 5th time resource, SSS described in repeated detection, packet It includes：

In the 5th time resource, using the 4th antenna port, the SSS is detected by the first default frequency range, and use third day Line end mouth detects the SSS by the second default frequency range.

15. method as claimed in claim 11, which is characterized in that described to be provided by different antenna ports, different time Source and/or different frequency resources detect the PSS and the SSS, including：

In first time resource, using third antenna port, the PSS is detected by the first default frequency range, and use second day The SSS is detected in port by the second default frequency range；

In the second time resource, using third antenna port, the SSS is detected by the first default frequency range, and use second day The PSS is detected in port by the second default frequency range；

In the 4th time resource, using third antenna port, the PSS is detected by the first default frequency range, and use second day The SSS is detected in port by the second default frequency range；

In the 5th time resource, using third antenna port, the SSS is detected by the first default frequency range, and use second day The PSS is detected in port by the second default frequency range；

16. the method as described in claims 14 or 15, which is characterized in that the first default frequency range is less than predetermined threshold value, institute It states the second default frequency range and is higher than predetermined threshold value.

17. such as claim 12 to 15 any one of them method, which is characterized in that it is described in third time resource, utilize institute Channel estimation results are stated, the PBCH signals are detected using third antenna port and the 4th antenna port, including：

In third time resource, pass through sky using third antenna port and the 4th antenna port using the channel estimation results The mode of frequency division collection or space and time diversity detects the PBCH signals.

18. such as claim 12 to 15 any one of them method, which is characterized in that corresponding with the synchronous access signal group Time resource, including the first time resource, second time resource, the third time resource, the 4th time Resource and the 5th time resource.

19. method as claimed in claim 18, which is characterized in that time resource corresponding with the synchronous access signal group is Slot s lot, the first time resource are the 1st orthogonal frequency division multiplex OFDM symbol in the slot, second time Resource is the 2nd OFDM symbol in the slot, and the third time resource is the 3rd, 4 and 5 OFDM in the slot Symbol, the 4th time resource are the 6th OFDM symbol in the slot, and the 5th time resource is in the slot The 7th OFDM symbol.

20. a kind of network side equipment, the transmission for synchronous access signal grade, which is characterized in that the synchronous access signal group Include including primary synchronization signal PSS, subsynchronous signal SSS and Physical Broadcast Channel PBCH signals, the network side equipment：

First sending module, for using different antenna ports, different time resources and/or different frequency resources, dividing The PSS and the SSS are not sent；

Third sending module is used for using different antenna ports, different time resources and/or different frequency resources, then It is secondary to send the PSS and the SSS respectively.

21. network side equipment as claimed in claim 20, which is characterized in that first sending module includes：

First sending submodule, in first time resource, the PSS to be sent using first antenna port；

Second sending submodule, in the second time resource, the SSS to be sent using the second antenna port；

Second sending module is specifically used for, in third time resource, sending out using first antenna port and the second antenna port Send the PBCH signals；

The third sending module, including：

Third sending submodule, in the 4th time resource, reusing first antenna port and sending the PSS；

4th sending submodule, in the 5th time resource, reusing the second antenna port and sending the SSS.

22. network side equipment as claimed in claim 20, which is characterized in that first sending module includes：

5th sending submodule, in first time resource, using first antenna port and the second antenna port respectively, repeatedly Send the PSS；

6th sending submodule, in the second time resource, using first antenna port and the second antenna port respectively, repeatedly Send the SSS；

The third sending module, including：

7th sending submodule, in the 4th time resource, using first antenna port and the second antenna port respectively, repeatedly Send the PSS；

8th sending submodule, in the 5th time resource, using first antenna port and the second antenna port respectively, repeatedly Send the SSS.

23. network side equipment as claimed in claim 22, which is characterized in that the 5th sending submodule is specifically used for First time resource is occupied the first default frequency range and sends the PSS, and used the second antenna port using first antenna port, It occupies the second default frequency range and sends the PSS；

6th sending submodule is specifically used for, in the second time resource, using first antenna port, occupying the first default frequency Section sends the SSS, and uses the second antenna port, occupies the second default frequency range and sends the SSS；

7th sending submodule is specifically used for, in the 4th time resource, using the second antenna port, occupying the first default frequency Section sends the PSS, and using first antenna port, occupies the second default frequency range and send the PSS；

8th sending submodule is specifically used for, in the 5th time resource, using the second antenna port, occupying the first default frequency Section sends the SSS, and using first antenna port, occupies the second default frequency range and send the SSS.

24. network side equipment as claimed in claim 20, which is characterized in that first sending module includes：

9th sending submodule, for occupying the first default frequency range using first antenna port in first time resource and sending institute PSS is stated, and uses the second antenna port, the second default frequency range is occupied and sends the SSS；

Tenth sending submodule, for occupying the first default frequency range using first antenna port in the second time resource and sending institute SSS is stated, and uses the second antenna port, the second default frequency range is occupied and sends the PSS；

The third sending module, including：

11st sending submodule, for occupying the first default frequency range using first antenna port in the 4th time resource and sending The PSS, and the second antenna port is used, it occupies the second default frequency range and sends the SSS；

12nd sending submodule, for occupying the first default frequency range using first antenna port in the 5th time resource and sending The SSS, and the second antenna port is used, it occupies the second default frequency range and sends the PSS.

25. the network side equipment as described in claim 23 or 24, which is characterized in that the first default frequency range is less than default threshold Value, the second default frequency range are higher than predetermined threshold value.

26. such as claim 21 to 24 any one of them network side equipment, which is characterized in that second sending module, tool Body is used to utilize space-frequency diversity or space and time diversity using first antenna port and the second antenna port in third time resource Mode, send the PBCH signals.

27. network side equipment as claimed in claim 26, which is characterized in that second sending module is specifically used for the One PBCH information symbols and the 2nd PBCH information symbols carry out precoding, and in third time resource, use first antenna port With the second antenna port, pre-encoding results are sent.

28. such as claim 21 to 24 any one of them network side equipment, which is characterized in that with the synchronous access signal group Corresponding time resource, including the first time resource, second time resource, the third time resource, described Four time resources and the 5th time resource.

29. network side equipment as claimed in claim 28, which is characterized in that the time corresponding with the synchronous access signal group Resource is slot s lot, and the first time resource is the 1st orthogonal frequency division multiplex OFDM symbol in the slot, described the Two time resources are the 2nd OFDM symbol in the slot, and the third time resource is the 3rd, 4 and 5 in the slot A OFDM symbol, the 4th time resource are the 6th OFDM symbol in the slot, and the 5th time resource is described The 7th OFDM symbol in slot.

30. a kind of user terminal, the reception for synchronous access signal group, which is characterized in that the synchronous access signal group packet Including primary synchronization signal PSS, subsynchronous signal SSS and Physical Broadcast Channel PBCH signals, the user terminal includes：

First detection module, for passing through different antenna ports, different time resources and/or different frequency resources, inspection Survey the PSS and the SSS；

Channel estimation module obtains channel estimation knot for carrying out channel estimation using the PSS detected the and SSS Fruit；

Second detection module detects the PBCH using at least two antenna ports and believes for utilizing the channel estimation results Number.

31. user terminal as claimed in claim 30, which is characterized in that the first detection module includes：

First detection sub-module, in first time resource, using PSS described in third antenna Port detecting；

Second detection sub-module, in the second time resource, the SSS to be detected using the 4th antenna port；

Third detection sub-module, in the 4th time resource, reusing PSS described in third antenna Port detecting；

4th detection sub-module, in the 5th time resource, reusing the 4th antenna port and detecting the SSS；

Second detection module is specifically used for using first antenna using the channel estimation results in third time resource Port and the second antenna port detect the PBCH signals.

32. user terminal as claimed in claim 30, which is characterized in that the first detection module includes：

5th detection sub-module, in first time resource, using third antenna port and the 4th antenna port respectively, repeatedly Detect the PSS；

6th detection sub-module, in the second time resource, using third antenna port and the 4th antenna port respectively, repeatedly Detect the SSS；

7th detection sub-module, in the 4th time resource, using third antenna port and the 4th antenna port respectively, repeatedly Detect the PSS；

8th detection sub-module, in the 5th time resource, using third antenna port and the 4th antenna port respectively, repeatedly Detect the SSS；

Second detection module is specifically used for using third antenna using the channel estimation results in third time resource Port and the 4th antenna port detect the PBCH signals.

33. user terminal as claimed in claim 32, which is characterized in that the 5th detection sub-module is specifically used for the One time resource is detected the PSS by the first default frequency range, and use the 4th antenna port, is led to using third antenna port It crosses the second default frequency range and detects the PSS；

6th detection sub-module is specifically used for, in the second time resource, using third antenna port, passing through the first default frequency Section detects the SSS, and uses the 4th antenna port, and the SSS is detected by the second default frequency range；

7th detection sub-module is specifically used for, in the 4th time resource, using the 4th antenna port, passing through the first default frequency Section detects the PSS, and using third antenna port, and the PSS is detected by the second default frequency range；

8th detection sub-module is specifically used for, in the 5th time resource, using the 4th antenna port, passing through the first default frequency Section detects the SSS, and using third antenna port, and the SSS is detected by the second default frequency range.

34. user terminal as claimed in claim 30, which is characterized in that the first detection module includes：

9th detection sub-module, in first time resource, using third antenna port, institute to be detected by the first default frequency range PSS is stated, and uses second day port, the SSS is detected by the second default frequency range；

Tenth detection sub-module, in the second time resource, using third antenna port, institute to be detected by the first default frequency range SSS is stated, and uses second day port, the PSS is detected by the second default frequency range；

11st detection sub-module, for being detected by the first default frequency range using third antenna port in the 4th time resource The PSS, and second day port is used, the SSS is detected by the second default frequency range；

12nd detection sub-module, for being detected by the first default frequency range using third antenna port in the 5th time resource The SSS, and second day port is used, the PSS is detected by the second default frequency range；

35. the user terminal as described in claim 33 or 34, which is characterized in that the first default frequency range is less than default threshold Value, the second default frequency range are higher than predetermined threshold value.

36. such as claim 31 to 34 any one of them user terminal, which is characterized in that second detection module, specifically For in third time resource, passing through sky using third antenna port and the 4th antenna port using the channel estimation results The mode of frequency division collection or space and time diversity detects the PBCH signals.

37. such as claim 31 to 34 any one of them user terminal, which is characterized in that with the synchronous access signal group pair The time resource answered, including the first time resource, second time resource, the third time resource, the described 4th Time resource and the 5th time resource.

38. user terminal as claimed in claim 37, which is characterized in that the time corresponding with the synchronous access signal group provides Source be slot s lot, the first time resource be the slot in the 1st orthogonal frequency division multiplex OFDM symbol, described second Time resource is the 2nd OFDM symbol in the slot, and the third time resource is the 3rd, 4 and 5 in the slot OFDM symbol, the 4th time resource are the 6th OFDM symbol in the slot, and the 5th time resource is described The 7th OFDM symbol in slot.

39. a kind of Transmission system of synchronous access signal group, which is characterized in that including any one of such as claim 20 to 29 institute State network side equipment and the user terminal as described in any one of claim 30 to 38.