CN107682133A - A kind of generation method, device and network side equipment for finding reference signal - Google Patents
A kind of generation method, device and network side equipment for finding reference signal Download PDFInfo
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- CN107682133A CN107682133A CN201710854823.4A CN201710854823A CN107682133A CN 107682133 A CN107682133 A CN 107682133A CN 201710854823 A CN201710854823 A CN 201710854823A CN 107682133 A CN107682133 A CN 107682133A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
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Abstract
The embodiment of the present application discloses a kind of generation method, device and network side equipment for finding reference signal, and this method includes:Obtain the carrier frequency and subcarrier spacing of carrying target detection reference signal;The maximum number for the synchronizing signal SS blocks for determining to include in the target detection reference signal according to the carrier frequency, and determine according to the subcarrier spacing continuous information between the SS blocks that are included in the target detection reference signal;According to the continuous information between the SS blocks included in the maximum number of the SS blocks included in the target detection reference signal and the target detection reference signal, the target detection reference signal is generated.Using the embodiment of the present application, target detection reference signal can be built by the continuous information between the maximum number and SS blocks of the SS blocks that can be included in target detection reference signal, so that the terminal device accesses corresponding cell to improve handling capacity.
Description
Technical field
The application is related to communication technical field, more particularly to a kind of generation method, device and network for finding reference signal
Side apparatus.
Background technology
With the continuous development of terminal technology and the communication technology, especially mobile terminal and current high-speed communicating network,
Have become the important component in people's life.And the increase of caused message volume therewith so that 3GPP (3rd
Generation Partnership Project, third generation partner program) authorize frequency spectrum to seem and be increasingly not enough to carry
For higher network capacity.In order to further improve the utilization of frequency spectrum resource, how with the help of frequency spectrum is authorized using not awarding
Weighing frequency spectrum turns into the major issue for being badly in need of solving.
In LTE (LongTermEvolution, Long Term Evolution) aids in access technology, i.e., unlicensed spectrum uses LTE's
Mechanism, it finds that reference signal (Discovery Signal, DRS) includes master sync signal PSS (Primary
Synchronization Signal), auxiliary synchronous signals SSS (Secondary Synchronization Signal), CRS
(cell specific reference signal, cell reference signals) and optional channel state information reference signals CSI-
RS (Channel Status Information-Reference Signal), takes altogether continuous 12 symbols.But new
Wireless technology (i.e. New Radio, NR) in, in order to reduce always on CRS, CRS is removed, so, find with reference to letter
Which signal what is included on earth in number is, is to need to solve the problems, such as.Therefore, the discovery reference signal in current LTE can not be straight
Connect in new wireless technology NR, then how the discovery reference signal in NR designs, and enables to user side equipment to find
The cell of corresponding unlicensed spectrum, so that it is to need what is solved to ask that the terminal device, which accesses the cell to improve handling capacity,
Topic.
The content of the invention
The purpose of the embodiment of the present application is to provide a kind of generation method, device and network side equipment for finding reference signal,
Generate the discovery reference signal in a kind of NR so that user side equipment it can be found that the cell of corresponding unlicensed spectrum, from
And the terminal device is caused to access the problem of cell is to improve handling capacity.
In order to solve the above technical problems, what the embodiment of the present application was realized in:
A kind of generation method for discovery reference signal that the embodiment of the present application provides, methods described include:
Obtain the carrier frequency and subcarrier spacing of carrying target detection reference signal;
The maximum number for the synchronizing signal SS blocks for determining to include in the target detection reference signal according to the carrier frequency
Mesh, and determine according to the subcarrier spacing continuous information between the SS blocks that are included in the target detection reference signal;
According to the maximum number of the SS blocks included in the target detection reference signal and the target detection reference signal
In continuous information between the SS blocks that include, generate the target detection reference signal.
Alternatively, the SS blocks include a master sync signal PSS symbol, an auxiliary synchronous signals SSS symbol and more
Individual Physical Broadcast Channel PBCH symbols, wherein carrying demodulated reference signal DMRS in the PBCH;
Using the PBCH symbols as terminating symbol in the SS blocks, and the PSS symbols take two with the SSS symbols
Non-conterminous sign bit.
Alternatively, the maximum of the SS blocks for determining to include in the target detection reference signal according to the carrier frequency
Number, including:
In the maximum number of corresponding relation from the carrier frequency prestored with SS blocks, the target detection reference is searched
The maximum number of SS blocks corresponding to the carrier frequency of signal;
Maximum number using the maximum number of the SS blocks found as the SS blocks included in the target detection reference signal
Mesh.
Alternatively, it is described to be determined according to the subcarrier spacing between the SS blocks that are included in the target detection reference signal
Continuous information, including:
From the corresponding relation of the continuous information between the subcarrier spacing and SS blocks prestored, the target hair is searched
Referring now to the continuous information between SS blocks corresponding to the subcarrier spacing of signal;
Using the continuous information between the SS blocks found as between the SS blocks included in the target detection reference signal
Continuous information.
Alternatively, the corresponding relation of the maximum number of corresponding relation of the carrier frequency prestored and SS blocks is at least
Including:
If carrier frequency is less than 3GHz, the maximum number of SS blocks is 4;
If carrier frequency is more than or equal to 3GHz, and is less than 6GHz, then the maximum number of SS blocks is 8;
If carrier frequency is more than or equal to 6GHz, and is less than or equal to 52.6GHz, then the maximum number of SS blocks is 64.
Alternatively, the corresponding relation of the continuous information between the subcarrier spacing prestored and SS blocks at least wraps
Include:
If subcarrier spacing is 15KHz, the continuous information between SS blocks is discontinuous between SS blocks, and per continuous
2 SS blocks in 14 symbols be present;
If subcarrier spacing is 30KHz, the continuous information between SS blocks is discontinuous between SS blocks, or, often connect
2 continuous SS blocks in 14 continuous symbols be present, and the SS blocks between every continuous 14 symbols are discontinuous;
If subcarrier spacing is 120KHz, the continuous information between SS blocks is interior in the presence of 2 per continuous 14 symbols
Individual continuous SS blocks, and the SS blocks between every continuous 14 symbols are discontinuous;
If subcarrier spacing is 240KHz, the continuous information between SS blocks is interior in the presence of 4 per continuous 28 symbols
Individual continuous SS blocks, and the SS blocks between every continuous 28 symbols are discontinuous.
Alternatively, it is described to be sent out according to the maximum number of the SS blocks included in the target detection reference signal and the target
Referring now to the continuous information between the SS blocks included in signal, the target detection reference signal is generated, including:
If determine that the target is sent out according to the continuous information between the SS blocks included in the target detection reference signal
Referring now to continuous SS blocks are only included in signal, then according to the maximum number of the SS blocks included in the target detection reference signal
Continuous information between the SS blocks included in the target detection reference signal, determine energy in the target detection reference signal
The target maximum number of the SS blocks enough included;
The target detection reference signal is generated based on the target maximum number.
Alternatively, it is described to be sent out according to the maximum number of the SS blocks included in the target detection reference signal and the target
Referring now to the continuous information between the SS blocks included in signal, the target detection reference signal is generated, including:
If determine that the target is sent out according to the continuous information between the SS blocks included in the target detection reference signal
Referring now to including discrete SS blocks in signal, then the maximum number based on the SS blocks included in the target detection reference signal
Generate the target detection reference signal.
Alternatively, the maximum number based on the SS blocks included in the target detection reference signal generates the target
It was found that reference signal, including:
Maximum number based on the SS blocks included in the target detection reference signal determines to generate the target detection ginseng
Examine the number of the SS blocks required for signal;
Corresponding SS blocks are set according to the number of determination, and the sign bit between adjacent and discontinuous two SS blocks is mended
Predetermined symbol is filled, to generate the target detection reference signal.
Alternatively, the predetermined symbol includes the combination of one or more of:PSS symbols, SSS symbols, PBCH symbols
Number, the DMRS symbols that carry in the PBCH, and channel state information reference signals CSI-RS symbols.
A kind of generating means for discovery reference signal that the embodiment of the present application provides, described device include:
Frequency acquisition module, for obtaining the carrier frequency and subcarrier spacing of carrying target detection reference signal;
Information determination module, for the synchronization for determining to include in the target detection reference signal according to the carrier frequency
The maximum number of signal SS blocks, and according to the subcarrier spacing determine the SS blocks that are included in the target detection reference signal it
Between continuous information;
Signal generation module, for the maximum number according to the SS blocks included in the target detection reference signal and described
Continuous information between the SS blocks included in target detection reference signal, generate the target detection reference signal.
Alternatively, the SS blocks include a master sync signal PSS symbol, an auxiliary synchronous signals SSS symbol and more
Individual Physical Broadcast Channel PBCH symbols, wherein carrying demodulated reference signal DMRS in the PBCH;
Using the PBCH symbols as terminating symbol in the SS blocks, and the PSS symbols take two with the SSS symbols
Non-conterminous sign bit.
Alternatively, described information determining module, including:
First searching unit, in the maximum number of corresponding relation from the carrier frequency prestored with SS blocks, looking into
Look for the maximum number of SS blocks corresponding to the carrier frequency of the target detection reference signal;
First information determining unit, for the maximum number of SS blocks that will find as the target detection reference signal
In the maximum number of SS blocks that includes.
Alternatively, described information determining module, including:
Second searching unit, for the corresponding relation from the continuous information between the subcarrier spacing and SS blocks prestored
In, search the continuous information between SS blocks corresponding to the subcarrier spacing of the target detection reference signal;
Second information determination unit, referred to for the continuous information between the SS blocks that will find as the target detection
Continuous information between the SS blocks included in signal.
Alternatively, the corresponding relation of the maximum number of corresponding relation of the carrier frequency prestored and SS blocks is at least
Including:
If carrier frequency is less than 3GHz, the maximum number of SS blocks is 4;
If carrier frequency is more than or equal to 3GHz, and is less than 6GHz, then the maximum number of SS blocks is 8;
If carrier frequency is more than or equal to 6GHz, and is less than or equal to 52.6GHz, then the maximum number of SS blocks is 64.
Alternatively, the corresponding relation of the continuous information between the subcarrier spacing prestored and SS blocks at least wraps
Include:
If subcarrier spacing is 15KHz, the continuous information between SS blocks is discontinuous between SS blocks, and per continuous
2 SS blocks in 14 symbols be present;
If subcarrier spacing is 30KHz, the continuous information between SS blocks is discontinuous between SS blocks, or, often connect
2 continuous SS blocks in 14 continuous symbols be present, and the SS blocks between every continuous 14 symbols are discontinuous;
If subcarrier spacing is 120KHz, the continuous information between SS blocks is interior in the presence of 2 per continuous 14 symbols
Individual continuous SS blocks, and the SS blocks between every continuous 14 symbols are discontinuous;
If subcarrier spacing is 240KHz, the continuous information between SS blocks is interior in the presence of 4 per continuous 28 symbols
Individual continuous SS blocks, and the SS blocks between every continuous 28 symbols are discontinuous.
Alternatively, the signal generation module, including:
Target numbers determining unit, if for according to the company between the SS blocks included in the target detection reference signal
Continuous information determines only to include continuous SS blocks in the target detection reference signal, then according in the target detection reference signal
Comprising SS blocks maximum number and the target detection reference signal in continuous information between the SS blocks that include, it is determined that described
The target maximum number for the SS blocks that can be included in target detection reference signal;
First signal generation unit, for generating the target detection reference signal based on the target maximum number.
Alternatively, the signal generation module, if for according to the SS blocks included in the target detection reference signal
Between continuous information determine to include discrete SS blocks in the target detection reference signal, then based on the target detection join
The maximum number for examining the SS blocks included in signal generates the target detection reference signal.
Alternatively, the signal generation module, including:
Number decision unit, life is determined for the maximum number based on the SS blocks included in the target detection reference signal
Into the number of the SS blocks required for the target detection reference signal;
Secondary signal generation unit, for setting corresponding SS blocks according to the number of determination, and adjacent and discontinuous
Sign bit between two SS blocks supplements predetermined symbol, to generate the target detection reference signal.
Alternatively, the predetermined symbol includes the combination of one or more of:PSS symbols, SSS symbols, PBCH symbols
Number, the DMRS symbols that carry in the PBCH, and channel state information reference signals CSI-RS symbols.
A kind of network side equipment that the embodiment of the present application provides, including:Memory, processor and it is stored in the memory
Computer program that is upper and can running on the processor, the computer program are realized as above during the computing device
The step of generation method of the discovery reference signal of embodiment offer is provided.
The technical scheme provided from above the embodiment of the present application, the embodiment of the present application are sent out by the carrying target of acquisition
The maximum number for the SS blocks for determining to include in target detection reference signal referring now to the carrier frequency of signal, and holding according to acquisition
The subcarrier spacing for carrying target detection reference signal determines the continuous letter between the SS blocks included in target detection reference signal
Breath, and then the SS included in the maximum number and target detection reference signal according to the SS blocks included in target detection reference signal
Continuous information between block, target detection reference signal is generated, so, passes through the SS that can be included in target detection reference signal
Continuous information between the maximum number and SS blocks of block, it may be determined that the number of the SS blocks included in target detection reference signal,
Number based on SS blocks builds corresponding target detection reference signal, so as to be made by the target detection reference signal of generation
The cell that user side equipment finds corresponding unlicensed spectrum is obtained, is handled up so that the terminal device accesses the cell with improving
Amount.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, do not paying the premise of creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of flow chart for the generation method for finding reference signal of the application;
Fig. 2 is a kind of generation for finding reference signal of the application and the structural representation for sending system;
Fig. 3 is the flow chart of another generation method for finding reference signal of the application;
Fig. 4 is a kind of structural representation for the generating means for finding reference signal of the application;
Fig. 5 is a kind of structural representation of network side equipment of the application.
Embodiment
The embodiment of the present application provides a kind of generation method, device and network side equipment for finding reference signal.
In order that those skilled in the art more fully understand the technical scheme in the application, it is real below in conjunction with the application
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described implementation
Example only some embodiments of the present application, rather than whole embodiments.It is common based on the embodiment in the application, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, it should all belong to the application protection
Scope.
The technical scheme of the application, various communication systems are can apply to, such as:GSM(Global System of
Mobile communication, global system for mobile communications), CDMA (Code Division Multiple Access, code
Divide multiple access) system, (Wideband Code Division Multiple Access Wireless, wideband code division are more by WCDMA
Location), GPRS (General Packet Radio Service, GPRS), LTE (Long Term
Evolution, Long Term Evolution) etc..
Electronic equipment (UE, User Equipment), also referred to as mobile terminal (Mobile Terminal), access
Terminal, subscriber unit, subscriber station, movement station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, nothing
Line communication equipment, user agent or user's set.Access terminal can be cell phone, wireless phone, SIP (Session
Initiation Protocol, session initiation protocol) phone, WLL (Wireless Local Loop, WLL)
Stand, PDA (Personal Digital Assistant, personal digital assistant), the handheld device with radio communication function, meter
Calculate equipment or be connected to other processing equipments of radio modem, mobile unit, wearable device, in following 5G networks
In terminal device or the PLMN of following evolution (Public Land Mobile Network, public land mobile network) network
Terminal device.
The network equipment can be for the equipment with mobile device communication, and the network equipment can be GSM (Global
System of Mobile communication, global system for mobile telecommunications) or CDMA (Code Division Multiple
Access, CDMA) in BTS (Base Transceiver Station, base station) or WCDMA (Wideband
Code Division Multiple Access, WCDMA) in NB (NodeB, base station), can also be LTE
ENB or eNodeB (Evolutional Node B, evolved base station) in (Long Term Evolution, Long Term Evolution)
Or access point, or mobile unit, wearable device, the PLMN of network side equipment or following evolution in following 5G networks
The network equipment in (Public Land Mobile Network, public land mobile network) network.
The system that the application is adapted to, can be FDD (Frequency Division Duplex, FDD), TDD
(Time Division Duplex, time division duplex) or two kinds of duplex modes of FDD and TDD polymerize the system used either pin
The frame structure type3 used unlicensed spectrum system, the application are not limited this.
Embodiment one
As shown in figure 1, the embodiment of the present application provides a kind of generation method for finding reference signal, this method can be used for giving birth to
Into or design is a kind of finds reference signal, to meet corresponding communicating requirement.The executive agent of this method can be arbitrary network
Side apparatus, such as base station, MME (Mobility Management Entity, mobile management nodes) etc..This method specifically can be with
Comprise the following steps:
In step s 102, the carrier frequency and subcarrier spacing of carrying target detection reference signal are obtained.
Wherein, target detection reference signal can be any discovery reference signal (i.e. DRS, Discovery Signal),
Carried out it was found that reference signal can be used for user equipment within the specified period based on RRM (the wireless moneys for finding reference signal
Source control (Radio Resource Management)) measure, what is included in the discovery reference signal in the embodiment of the present application is
Continuous symbol, but the number of its symbol included is not necessarily 12.Carrier frequency can be the load that carrying finds reference signal
The frequency of ripple, specific such as 3GHz or 6GHz, in actual applications, carrier frequency can be set according to actual conditions, the application
Embodiment is not limited this.Subcarrier spacing can be the gap size between the subcarrier of carrying discovery reference signal, i.e.,
Subcarrier spacing, specific such as 15KHz or 30KHz.
In force, in LTE aids in access technology, each subframe includes 14 symbols, and the length of each subframe is
1ms.The DMTC periods are the time interval of certain length, such as:The length of DMTC periods can be 6ms, the DMTC periods
Can periodically occur, its cycle occurred can be 40ms, 60ms or 80ms, be configured with each DMTC periods multiple
It was found that position can be transmitted in reference signal, and the transmittable position of the discovery reference signal in each DMTC periods can be different.
In the case where unlicensed spectrum uses LTE mechanism, it finds that reference signal would generally include PSS, SSS, CRS and optional
CSI-RS etc., it is found that reference signal will take continuous 12 symbols in a subframe.
With the development of new wireless technology (i.e. New Radio, NR), such as wireless technology based on 5G etc., new nothing
Line communication technology,, can be by CRS in order to reduce always on CRS in new wireless technology by face of higher requirement
Remove, and so allow for the discovery reference signal in LTE and cannot be directly used in new wireless technology, therefore, the application is real
Apply example and a kind of design method for finding reference signal is provided, can specifically include herein below:A certain ginseng is found when needing to send
When examining signal (i.e. target reference signal), it may be determined that the carrier wave of target detection reference signal and each subcarrier will be carried
Relevant information, the frequency of the carrier wave can be obtained from the relevant information of the carrier wave of determination, and obtain subcarrier spacing size, from
And the carrier frequency and subcarrier spacing of carrying target detection reference signal are got respectively.
In step S104, the synchronizing signal SS blocks that determine to include in target detection reference signal according to above-mentioned carrier frequency
Maximum number, and determine according to the interval of above-mentioned subcarrier the continuous letter in target detection reference signal between the SS blocks that include
Breath.
Wherein, SS (Synchronization Signal, synchronizing signal) block (i.e. SS block) can be new wireless
The chief component of reference signal is found in technology, it is each to find that in reference signal one or more SS blocks are included, often
PSS, SSS and PBCH (also including DMRS in wherein PBCH) etc. can be included in individual SS blocks.Continuous information between SS blocks can
It is not present with including continuously or discontinuously, continuous SS blocks can be two SS block arranged adjacents, that is to say between two SS blocks
The symbol of non-SS blocks, discrete SS blocks can be the space characters for having between two SS blocks non-SS blocks, that is to say two SS blocks
Between the symbol etc. for obstructing both be present.
In force, by the frequency size of carrier wave determines the information that the carrier wave can carry or the quantity of signal,
Therefore, information or the letter that can be carried in the carrier wave can be determined by the way that target detection reference signal carrier frequency will be carried
Number quantity, can therefore, after the carrier frequency of carrying target detection reference signal is obtained by above-mentioned steps S102 processing
To obtain the maximum number of the SS blocks included in the target detection reference signal that can be carried according to obtained carrier frequency.Example
Such as, if carrier frequency is less than 3GHz, the maximum number of SS blocks is 4, if for another example carrier frequency is more than or equal to
3GHz, and be less than 6GHz, then the maximum number of SS blocks is 8 etc..
Simultaneously, it is contemplated that whether continuously the number of the SS blocks included in target detection reference signal can also be produced between SS blocks
It is raw to influence, and the continuous situation or continuous information between SS blocks can be by carrying the subcarrier spacing of target detection reference signal
Size determines, therefore, can determine that target detection is joined based on the subcarrier spacing size of carrying target detection reference signal
The continuous information between the SS blocks included in signal is examined, specifically, can be according to actual conditions, between different subcarriers
Every, corresponding continuous information or continuous situation are set between SS blocks, if for example, subcarrier spacing is 15KHz, SS blocks it
Between it is discontinuous, and have two SS blocks in every 14 symbols, first SS block can take 2-5 sign bit, and second SS block can
To take 8-11 sign bit;For another example if subcarrier spacing is 30KHz, the distribution of SS blocks can have two kinds of situations:I.e. its
A kind of middle situation can be identical with the situation that above-mentioned subcarrier spacing is 15KHz, i.e., discontinuous between each two SS blocks;It is another
It may is that it is continuous between SS blocks, i.e., it is continuous etc. between two SS blocks in every 14 symbols.For target detection with reference to letter
The processing of continuous information between the SS blocks included in number, can be with addition to can be by above-mentioned two example process of offer
Including a variety of processing modes, specifically it can set or adjust according to actual conditions, the embodiment of the present application is not limited this.
In step s 106, referred to according to the maximum number of the SS blocks included in target detection reference signal and target detection
Continuous information between the SS blocks included in signal, generate target detection reference signal.
In force, the maximum number and target detection of the SS blocks included in target detection reference signal can be considered
Continuous information between the SS blocks included in reference signal, constantly adjust the number of the SS blocks included in target detection reference signal
It is whether continuous between the SS blocks included in mesh, and determination target detection reference signal, finally give and meet above-mentioned all conditions
(between the SS blocks included in the maximum number and target detection reference signal of the SS blocks included in target detection reference signal
Continuous information) discovery reference signal as above-mentioned target detection reference signal.
As shown in Fig. 2 after obtaining target detection reference signal, network side equipment (such as base station) can be empty in detection channel
Idle send target detection reference signal, in this manner it is ensured that the mobile terminal (i.e. user side equipment) of user be moved to it is above-mentioned
When in the coverage of cell corresponding to network side equipment, the terminal device of the user can receive the target detection with reference to letter
Number, to find the cell of corresponding unlicensed spectrum, so that the terminal device, which accesses the cell, improves handling capacity.
The embodiment of the present application provides a kind of generation method for finding reference signal, is referred to by the carrying target detection of acquisition
The carrier frequency of signal determines the maximum number of the SS blocks included in target detection reference signal, and according to the carrying target of acquisition
It was found that the subcarrier spacing size of reference signal determines the continuous information between the SS blocks included in target detection reference signal,
And then the SS blocks included in the maximum number and target detection reference signal according to the SS blocks included in target detection reference signal
Between continuous information, generate target detection reference signal, so, pass through the SS blocks that can be included in target detection reference signal
Maximum number and SS blocks between continuous information, it may be determined that the number of the SS blocks included in target detection reference signal, base
Corresponding target detection reference signal is built in the number of SS blocks, so as to be enabled to by the target detection reference signal of generation
User side equipment finds the cell of corresponding unlicensed spectrum, is handled up so that the terminal device accesses the cell with improving
Amount.
Embodiment two
Fig. 3 is the generation method that another that the embodiment of the present application provides finds reference signal, and this method can be used for giving birth to
Into or design is a kind of finds reference signal, to meet corresponding communicating requirement.The executive agent of this method can be arbitrary network
Side apparatus, such as base station, MME etc..This method specifically may comprise steps of:
In step s 302, the carrier frequency and subcarrier spacing of carrying target detection reference signal are obtained.
Above-mentioned steps S302 step content is identical with the step content of step S102 in above-described embodiment one, above-mentioned steps
S302 concrete processing procedure may refer to above-mentioned steps S102 processing procedure, will not be repeated here.
The carrier frequency and son of carrying target detection reference signal can be respectively obtained by above-mentioned steps S302 processing
Carrier wave gap size, it can be built respectively by carrying carrier frequency and the subcarrier spacing size of target detection reference signal
Target detection reference signal, it specifically may comprise steps of S304- step S306, and step S308- steps S310.
In step s 304, in the maximum number of corresponding relation from the carrier frequency prestored with SS blocks, mesh is searched
Mark finds the maximum number of SS blocks corresponding to the carrier frequency of reference signal.
In force, the composition structure of SS blocks can specifically be set with varied according to actual conditions, and the application is real
Apply and the mode that a kind of SS blocks optionally form structure is provided in example, can specifically include herein below:It can include accounting in SS blocks
With the master sync signal PSS (i.e. a master sync signal PSS symbol) of a sign bit, the auxiliary synchronous letter of one sign bit of occupancy
Number SSS (i.e. an auxiliary synchronous signals SSS symbol) and take the Physical Broadcast Channel PBCH of multiple sign bits (i.e. multiple physics are wide
Broadcast channel PBCH symbols), demodulated reference signal DMRS is carried in wherein PBCH.Physical Broadcast Channel PBCH symbols therein
Number can be set according to actual conditions, and the number of Physical Broadcast Channel PBCH symbols can be 2~4 in the embodiment of the present application
It is individual.The processing mode of structure SS blocks can include a variety of implementations, based on the above, a kind of optional realization presented below
Mode, it can specifically include herein below:Using PBCH symbols as terminating symbol in SS blocks, and PSS symbols take two with SSS symbols
Individual non-conterminous sign bit.
Specifically, if the number of Physical Broadcast Channel PBCH symbols is 2, continuous 4 symbols should be included in SS blocks
Number, 4 symbols are followed successively by PSS symbols, PBCH symbols, SSS symbols and PBCH symbols, i.e. PSS symbols-PBCH symbols-SSS symbols
Number-PBCH symbols.If the number of Physical Broadcast Channel PBCH symbols is 3, continuous 5 symbols should be included in SS blocks,
5 symbols are followed successively by PSS symbols, PBCH symbols, PBCH symbols, SSS symbols and PBCH symbols, or, PBCH symbols, PSS
Symbol, PBCH symbols, SSS symbols and PBCH symbols, i.e. PSS symbols-PBCH symbols-PBCH symbols-SSS symbol-PBCH symbols
Or PBCH symbol-PSS symbol-PBCH symbol-SSS symbol-PBCH symbols.If the number of Physical Broadcast Channel PBCH symbols is
4, then continuous 6 symbols should be included in SS blocks, 6 symbols are followed successively by PSS symbols, PBCH symbols, PBCH symbols, PBCH
Symbol, SSS symbols and PBCH symbols, or, PBCH symbols, PSS symbols, PBCH symbols, PBCH symbols, SSS symbols and PBCH
Symbol, i.e. PSS symbols-PBCH symbols-PBCH symbols-PBCH symbol-SSS symbol-PBCH symbols or PBCH symbol-PSS symbols-
PBCH symbol-PBCH symbol-SSS symbol-PBCH symbols etc..The SS that composition finds reference signal can be obtained through the above way
Block.
For the carrier frequency prestored and the setting of the maximum number of corresponding relation of SS blocks in the embodiment of the present application
Mode can include a variety of implementations, can be specifically set or adjusted accordingly according to actual conditions, presented below one
The optional implementation of kind, can specifically include herein below:If carrier frequency is less than 3GHz, the maximum number of SS blocks is
4;If carrier frequency is more than or equal to 3GHz, and is less than 6GHz, then the maximum number of SS blocks is 8;If carrier frequency is more than
Or equal to 6GHz, and being less than or equal to 52.6GHz, then the maximum number of SS blocks is 64, and above-mentioned corresponding relation may refer to following
Shown in table 1.
Table 1
Wherein, in the corresponding relation of above-mentioned table 1, the maximum number of SS blocks corresponding to different carrier frequencies can be different.
After the processing by above-mentioned steps S302 obtains carrying the carrier frequency of target detection reference signal, it can incite somebody to action
To the carrier frequency of carrying target detection reference signal contrasted with the carrier frequency in the corresponding relation in above-mentioned table 1,
It is determined that the carrier frequency section where the carrier frequency of carrying target detection reference signal, for example, carrying target detection is with reference to letter
Number carrier frequency be 4GHz, then carry target detection reference signal carrier frequency be located at " being more than or equal in above-mentioned table 1
3GHz, and in the carrier frequency section less than 6GHz ".It is then possible to obtain SS blocks corresponding to the carrier frequency section determined
Maximum number, i.e., " be more than or equal to 3GHz, and the maximum number of SS blocks corresponding to the carrier frequency section less than 6GHz " in table 1
Mesh is 8.
In step S306, using the maximum number of the SS blocks found as the SS blocks included in target detection reference signal
Maximum number.
In step S308, from the corresponding relation of the continuous information between the subcarrier spacing and SS blocks prestored,
Search the continuous information between SS blocks corresponding to the subcarrier spacing of target detection reference signal.
In force, for the continuous information between the subcarrier spacing and SS blocks that prestore in the embodiment of the present application
The set-up mode of corresponding relation can include a variety of implementations, can specifically be carried out setting or adjusting accordingly according to actual conditions
It is whole, a kind of optional implementation presented below, it can specifically include herein below:If carry target detection reference signal
Subcarrier spacing size is 15KHz, then the continuous information between SS blocks is discontinuous between SS blocks, and per continuous 14 symbols
It is interior 2 SS blocks to be present;If the subcarrier spacing size of carrying target detection reference signal is 30KHz, the company between SS blocks
Continuous information is discontinuous between SS blocks, or, it is interior per continuous 14 symbols 2 continuous SS blocks to be present, and per continuous 14
SS blocks between individual symbol are discontinuous;If the subcarrier spacing of carrying target detection reference signal is 120KHz, SS blocks it
Between continuous information be per 2 continuous SS blocks, and the SS between every continuous 14 symbols in continuous 14 symbols being present
Block is discontinuous;If the subcarrier spacing of carrying target detection reference signal is 240KHz, the continuous information between SS blocks is
4 continuous SS blocks in per continuous 28 symbols be present, and the SS blocks between every continuous 28 symbols are discontinuous.It is above-mentioned right
It should be related to and may refer to shown in table 2 below.
Table 2
Wherein, in the corresponding relation of above-mentioned table 2, the continuous information between SS blocks corresponding to different sub-carrier interval can not
Together.
After the processing by above-mentioned steps S302 obtains carrying the subcarrier spacing of target detection reference signal, it can incite somebody to action
The subcarrier spacing of obtained carrying target detection reference signal is carried out with the subcarrier spacing in the corresponding relation in above-mentioned table 2
Contrast, it is determined that the subcarrier spacing size corresponding to the subcarrier spacing size of carrying target detection reference signal, for example, carrying
The subcarrier spacing size of target detection reference signal is 30KHz, then carries the subcarrier spacing pair of target detection reference signal
Should be in the subcarrier spacing of " 30KHz " in above-mentioned table 2.It is then possible to obtain SS blocks corresponding to the subcarrier spacing determined
Between continuous information, i.e., the continuous information in table 2 between SS blocks corresponding to the subcarrier spacing of " 30KHz " be " between SS blocks
Discontinuously, or, 2 continuous SS blocks, and the SS blocks between every continuous 14 symbols in every continuous 14 symbols be present
Discontinuously ".
It should be noted that be directed to above-mentioned implementation, continuous SS blocks can be obtained under different sub-carrier interval most
Big number can include the description below:If the subcarrier spacing size for carrying target detection reference signal is 15KHz, continuously
SS blocks maximum number be 1;If the subcarrier spacing size for carrying target detection reference signal is 30KHz, continuously
The maximum number of SS blocks is 1 or 2;If the subcarrier spacing size for carrying target detection reference signal is 120KHz, continuously
SS blocks maximum number be 2;If the subcarrier spacing size for carrying target detection reference signal is 240KHz, continuously
The maximum number of SS blocks is 4.Above-mentioned corresponding relation may refer to shown in Table 3 below.
Table 3
Subcarrier spacing | The maximum number of continuous SS blocks |
15KHz | 1 |
30KHz | 1 or 2 |
120KHz | 2 |
240KHz | 4 |
In corresponding relation by above-mentioned table 3, it may be determined that under different sub-carrier interval, the maximum of continuous SS blocks
Number.
In step S310, using the continuous information between the SS blocks found as including in target detection reference signal
Continuous information between SS blocks.
It should be noted that above-mentioned steps S304~step S306 processing and step S308~step S310 processing are
Carry out, in actual applications, step S304~step S306 processing and step S308~step S310 place in sequence
Reason is not limited to said sequence, and two processing can perform simultaneously, can also first carry out step S308~step S310 processing,
Then step S304~step S306 processing is performed again, and the embodiment of the present application does not limit for the execution sequence of above-mentioned two processing
It is fixed.
By the above, the number for the SS blocks that reference signal (including target detection reference signal) includes is found not
Only to carrier frequency corresponding to SS blocks maximum number it is related, also with SS blocks under different sub-carrier interval whether serial correlation.Knot
Close and state a variety of different situations, may further determine that the target maximum number for the SS blocks that target detection reference signal can include
Mesh, following step S312~step S314 is specifically may refer to, or, step S316 processing.
In step S312, if determining mesh according to the continuous information between the SS blocks included in target detection reference signal
Mark finds only to include continuous SS blocks in reference signal, then according to the maximum number of the SS blocks included in target detection reference signal
Continuous information between the SS blocks included in target detection reference signal, determines what can be included in target detection reference signal
The target maximum number of SS blocks.
In force, according to continuous information (pair i.e. based on table 2 between the SS blocks included in target detection reference signal
The continuous information that should be related between the SS blocks of determination) determine only to include continuous SS blocks in target detection reference signal, then combine
Above-mentioned table 1, table 2 and the table 3 derived can be obtained to draw a conclusion:If carry the subcarrier spacing of target detection reference signal
Size is 15KHz, and target detection reference signal must include continuous SS blocks, then can be included in target detection reference signal
SS blocks target maximum number be 1;If the subcarrier spacing size of carrying target detection reference signal is 30KHz, and mesh
Mark finds that reference signal must include continuous SS blocks, then the target for the SS blocks that can be included in target detection reference signal is maximum
Number is 1 or 2;If the subcarrier spacing size of carrying target detection reference signal is 120KHz, and target detection is with reference to letter
Continuous SS blocks number must be included, then the target maximum number for the SS blocks that can be included in target detection reference signal is 2;If
The subcarrier spacing size of carrying target detection reference signal is 240KHz, and target detection reference signal must include continuously
SS blocks, then the target maximum number for the SS blocks that can be included in target detection reference signal is 4.Above-mentioned corresponding relation may refer to
Shown in table 4 below.
Table 4
In corresponding relation by above-mentioned table 4, it may be determined that under different sub-carrier interval, when target detection reference signal must
When must include continuous SS blocks, the target maximum number for the SS blocks that can be included in target detection reference signal.
In step S314, target detection reference signal is generated based on target maximum number.
In force, can be with structure after obtaining the target maximum number of SS blocks that can be included in target detection reference signal
Target detection reference signal is built, the subcarrier spacing size for such as carrying target detection reference signal is 120KHz, and when target is sent out
When must include continuous SS blocks referring now to signal, then the target maximum number for the SS blocks that can be included in target detection reference signal
Mesh is 2, can obtain 2 SS blocks, and continuous between this 2 SS blocks, directly can be sent out using 2 continuous SS blocks structure targets
Referring now to signal, wherein, the structure of each SS blocks may refer to the related content in above-mentioned steps S302.Certainly, actually should
A kind of above-mentioned building mode is not limited in, a variety of building modes can also be included, can specifically be set according to actual conditions,
The embodiment of the present application is not limited this.
Except in the case of above-mentioned steps S312~step S314, it is also possible to can have following situations, specifically may refer to
Following steps S316 processing.
In step S316, if determining mesh according to the continuous information between the SS blocks included in target detection reference signal
Mark finds to include discrete SS blocks, the then maximum number based on the SS blocks included in target detection reference signal in reference signal
Generate target detection reference signal.
In force, if determining that target is sent out according to the continuous information between the SS blocks included in target detection reference signal
Referring now to discrete SS blocks are included in signal, then the maximum of SS blocks that can be included in target detection reference signal can be determined
Number is limited only in the maximum number of SS blocks corresponding to carrier frequency, i.e., as shown in the corresponding relation of table 1.At this point it is possible to it is based on
The maximum number generation target detection reference signal of the SS blocks included in target detection reference signal.
Wherein, the maximum number based on the SS blocks included in target detection reference signal generates target detection reference signal
Processing mode a kind of optional processing mode presented below, can specifically may comprise steps of one and step with varied
Two.
Step 1, the maximum number based on the SS blocks included in target detection reference signal determine generation target detection reference
The number of SS blocks required for signal.
In force, for example, the carrier frequency of carrying target detection reference signal is 2GHz, then target detection reference is carried
The carrier frequency of signal is located at " being less than in 3GHz " carrier frequency section in above-mentioned table 1.The carrier wave determined can be obtained
" the maximum of SS blocks corresponding to the carrier frequency section less than 3GHz " in the maximum number of SS blocks corresponding to frequency separation, i.e. table 1
Number is 4.Can then determine generate target detection reference signal required for SS blocks number can be 1,2,3 or 4.
Step 2, corresponding SS blocks are set according to the number of determination, and between adjacent and discontinuous two SS blocks
Sign bit supplements predetermined symbol, to generate target detection reference signal.
In force, if the number of the SS blocks required for generation target detection reference signal is 4,4 can be obtained
SS blocks (wherein, the structure of each SS blocks may refer to the related content in above-mentioned steps S302), because target detection is with reference to letter
Discrete SS blocks are included in number, therefore, above-mentioned 4 SS blocks are discontinuous between each other.Because it is found that included in reference signal
Continuous symbol (however, it was found that the number of the symbol included in reference signal is not necessarily 12), thus need to SS blocks it
Between discontinuous sign bit be filled, the symbol for supplementing the sign bit can be preset, and use predetermined symbol
Discontinuous sign bit between supplement SS blocks, so as to continuous symbol be included in target detection reference signal, so as to generate target
It was found that reference signal.
Wherein, predetermined symbol includes the combination of one or more of:PSS symbols, SSS symbols, PBCH symbols, PBCH
The DMRS symbols of middle carrying, and CSI-RS symbols.
The embodiment of the present application provides a kind of generation method for finding reference signal, is referred to by the carrying target detection of acquisition
The carrier frequency of signal determines the maximum number of the SS blocks included in target detection reference signal, and according to the carrying target of acquisition
It was found that the subcarrier spacing size of reference signal determines the continuous information between the SS blocks included in target detection reference signal,
And then the SS blocks included in the maximum number and target detection reference signal according to the SS blocks included in target detection reference signal
Between continuous information, generate target detection reference signal, so, pass through the SS blocks that can be included in target detection reference signal
Maximum number and SS blocks between continuous information, it may be determined that the number of the SS blocks included in target detection reference signal, base
Corresponding target detection reference signal is built in the number of SS blocks, so as to be enabled to by the target detection reference signal of generation
User side equipment finds the cell of corresponding unlicensed spectrum, is handled up so that the terminal device accesses the cell with improving
Amount.
Embodiment three
The generation method of a kind of discovery reference signal provided above for the embodiment of the present application, based on same thinking, sheet
Application embodiment also provides a kind of generating means for finding reference signal.Wherein, described device can be that above-described embodiment provides
Network side equipment etc..
The generating means of the discovery reference signal can include frequency acquisition module 401, information determination module 402 and signal
Generation module 403, wherein:
Frequency acquisition module 401, for obtaining the carrier frequency and subcarrier spacing of carrying target detection reference signal;
Information determination module 402, for determining what is included in the target detection reference signal according to the carrier frequency
The maximum number of synchronizing signal SS blocks, and the SS for determining to include in the target detection reference signal according to the subcarrier spacing
Continuous information between block;
Signal generation module 403, for the maximum number according to the SS blocks included in the target detection reference signal and
Continuous information between the SS blocks included in the target detection reference signal, generate the target detection reference signal.
In the embodiment of the present application, the SS blocks include a master sync signal PSS symbol, an auxiliary synchronous signals SSS
Symbol and multiple Physical Broadcast Channel PBCH symbols, wherein carrying demodulated reference signal DMRS in the PBCH;
Using the PBCH symbols as terminating symbol in the SS blocks, and the PSS symbols take two with the SSS symbols
Non-conterminous sign bit.
In the embodiment of the present application, described information determining module 402, including:
First searching unit, in the maximum number of corresponding relation from the carrier frequency prestored with SS blocks, looking into
Look for the maximum number of SS blocks corresponding to the carrier frequency of the target detection reference signal;
First information determining unit, for the maximum number of SS blocks that will find as the target detection reference signal
In the maximum number of SS blocks that includes.
In the embodiment of the present application, described information determining module 402, including:
Second searching unit, for the corresponding relation from the continuous information between the subcarrier spacing and SS blocks prestored
In, search the continuous information between SS blocks corresponding to the subcarrier spacing of the target detection reference signal;
Second information determination unit, referred to for the continuous information between the SS blocks that will find as the target detection
Continuous information between the SS blocks included in signal.
In the embodiment of the present application, the carrier frequency prestored is corresponding with the maximum number of corresponding relation of SS blocks
Relation comprises at least:
If carrier frequency is less than 3GHz, the maximum number of SS blocks is 4;
If carrier frequency is more than or equal to 3GHz, and is less than 6GHz, then the maximum number of SS blocks is 8;
If carrier frequency is more than or equal to 6GHz, and is less than or equal to 52.6GHz, then the maximum number of SS blocks is 64.
In the embodiment of the present application, the corresponding relation of the continuous information between the subcarrier spacing prestored and SS blocks
Comprise at least:
If subcarrier spacing is 15KHz, the continuous information between SS blocks is discontinuous between SS blocks, and per continuous
2 SS blocks in 14 symbols be present;
If subcarrier spacing is 30KHz, the continuous information between SS blocks is discontinuous between SS blocks, or, often connect
2 continuous SS blocks in 14 continuous symbols be present, and the SS blocks between every continuous 14 symbols are discontinuous;
If subcarrier spacing is 120KHz, the continuous information between SS blocks is interior in the presence of 2 per continuous 14 symbols
Individual continuous SS blocks, and the SS blocks between every continuous 14 symbols are discontinuous;
If subcarrier spacing is 240KHz, the continuous information between SS blocks is interior in the presence of 4 per continuous 28 symbols
Individual continuous SS blocks, and the SS blocks between every continuous 28 symbols are discontinuous.
In the embodiment of the present application, the signal generation module 403, including:
Target numbers determining unit, if for according to the company between the SS blocks included in the target detection reference signal
Continuous information determines only to include continuous SS blocks in the target detection reference signal, then according in the target detection reference signal
Comprising SS blocks maximum number and the target detection reference signal in continuous information between the SS blocks that include, it is determined that described
The target maximum number for the SS blocks that can be included in target detection reference signal;
First signal generation unit, for generating the target detection reference signal based on the target maximum number.
In the embodiment of the present application, the signal generation module 403, if for according in the target detection reference signal
Comprising SS blocks between continuous information determine to include discrete SS blocks in the target detection reference signal, then based on described
The maximum number of the SS blocks included in target detection reference signal generates the target detection reference signal.
In the embodiment of the present application, the signal generation module 403, including:
Number decision unit, life is determined for the maximum number based on the SS blocks included in the target detection reference signal
Into the number of the SS blocks required for the target detection reference signal;
Secondary signal generation unit, for setting corresponding SS blocks according to the number of determination, and adjacent and discontinuous
Sign bit between two SS blocks supplements predetermined symbol, to generate the target detection reference signal.
In the embodiment of the present application, the predetermined symbol includes the combination of one or more of:PSS symbols, SSS symbols
Number, the DMRS symbols that carry in PBCH symbols, the PBCH, and CSI-RS symbols.
The embodiment of the present application provides a kind of generating means for finding reference signal, is referred to by the carrying target detection of acquisition
The carrier frequency of signal determines the maximum number of the SS blocks included in target detection reference signal, and according to the carrying target of acquisition
It was found that the subcarrier spacing of reference signal determines the continuous information between the SS blocks included in target detection reference signal, and then
According between the SS blocks included in the maximum number of the SS blocks included in target detection reference signal and target detection reference signal
Continuous information, generate target detection reference signal, so, by the SS blocks that can be included in target detection reference signal most
Continuous information between big figure and SS blocks, it may be determined that the number of the SS blocks included in target detection reference signal, based on SS
The number of block builds corresponding target detection reference signal, so as to enable to user by the target detection reference signal of generation
Side apparatus finds the cell of corresponding unlicensed spectrum, so that the terminal device accesses the cell to improve handling capacity.
Example IV
The generating means of a kind of discovery reference signal provided above for the embodiment of the present application, based on same thinking, sheet
Application embodiment also provides a kind of network side equipment.Wherein, the equipment can be base station or MME that above-described embodiment provides etc.
Network side equipment etc..
Fig. 5 is the structural representation of the further embodiment network side equipment 500 of the application.The reality of network side equipment 500
Body device structural representation can be as shown in figure 5, including processor 502, memory 503, emitter 501 and receiver 504.Specifically
Application in, emitter 501 and receiver 504 may be coupled to antenna 505.
Memory 503, for depositing program.Specifically, program can include program code, and described program code includes meter
Calculation machine operational order.Memory 503 can include read-only storage and random access memory, and provide and refer to processor 502
Order and data.Memory 503 may include high-speed RAM memory, it is also possible to also including nonvolatile memory (non-
Volatile memory), for example, at least 1 magnetic disk storage.
Processor 502, perform the program that memory 503 is deposited.
Specifically, in network side equipment 500, processor 502 can be performed following by receiver 504 and emitter 501
Method:
Obtain the carrier frequency and subcarrier spacing of carrying target detection reference signal;
The maximum number for the synchronizing signal SS blocks for determining to include in the target detection reference signal according to the carrier frequency
Mesh, and determine according to the subcarrier spacing continuous information between the SS blocks that are included in the target detection reference signal;
According to the maximum number of the SS blocks included in the target detection reference signal and the target detection reference signal
In continuous information between the SS blocks that include, generate the target detection reference signal.
Alternatively, the SS blocks include a master sync signal PSS symbol, an auxiliary synchronous signals SSS symbol and more
Individual Physical Broadcast Channel PBCH symbols, wherein carrying demodulated reference signal DMRS in the PBCH;
Using the PBCH symbols as terminating symbol in the SS blocks, and the PSS symbols take two with the SSS symbols
Non-conterminous sign bit.
Alternatively, the maximum of the SS blocks for determining to include in the target detection reference signal according to the carrier frequency
Number, including:
In the maximum number of corresponding relation from the carrier frequency prestored with SS blocks, the target detection reference is searched
The maximum number of SS blocks corresponding to the carrier frequency of signal;
Maximum number using the maximum number of the SS blocks found as the SS blocks included in the target detection reference signal
Mesh.
Alternatively, it is described to be determined according to the subcarrier spacing between the SS blocks that are included in the target detection reference signal
Continuous information, including:
From the corresponding relation of the continuous information between the subcarrier spacing and SS blocks prestored, the target hair is searched
Referring now to the continuous information between SS blocks corresponding to the subcarrier spacing of signal;
Using the continuous information between the SS blocks found as between the SS blocks included in the target detection reference signal
Continuous information.
Alternatively, the corresponding relation of the maximum number of corresponding relation of the carrier frequency prestored and SS blocks is at least
Including:
If carrier frequency is less than 3GHz, the maximum number of SS blocks is 4;
If carrier frequency is more than or equal to 3GHz, and is less than 6GHz, then the maximum number of SS blocks is 8;
If carrier frequency is more than or equal to 6GHz, and is less than or equal to 52.6GHz, then the maximum number of SS blocks is 64.
Alternatively, the corresponding relation of the continuous information between the subcarrier spacing prestored and SS blocks at least wraps
Include:
If subcarrier spacing is 15KHz, the continuous information between SS blocks is discontinuous between SS blocks, and per continuous
2 SS blocks in 14 symbols be present;
If subcarrier spacing is 30KHz, the continuous information between SS blocks is discontinuous between SS blocks, or, often connect
2 continuous SS blocks in 14 continuous symbols be present, and the SS blocks between every continuous 14 symbols are discontinuous;
If subcarrier spacing is 120KHz, the continuous information between SS blocks is interior in the presence of 2 per continuous 14 symbols
Individual continuous SS blocks, and the SS blocks between every continuous 14 symbols are discontinuous;
If subcarrier spacing is 240KHz, the continuous information between SS blocks is interior in the presence of 4 per continuous 28 symbols
Individual continuous SS blocks, and the SS blocks between every continuous 28 symbols are discontinuous.
Alternatively, it is described to be sent out according to the maximum number of the SS blocks included in the target detection reference signal and the target
Referring now to the continuous information between the SS blocks included in signal, the target detection reference signal is generated, including:
If determine that the target is sent out according to the continuous information between the SS blocks included in the target detection reference signal
Referring now to continuous SS blocks are only included in signal, then according to the maximum number of the SS blocks included in the target detection reference signal
Continuous information between the SS blocks included in the target detection reference signal, determine energy in the target detection reference signal
The target maximum number of the SS blocks enough included;
The target detection reference signal is generated based on the target maximum number.
Alternatively, it is described to be sent out according to the maximum number of the SS blocks included in the target detection reference signal and the target
Referring now to the continuous information between the SS blocks included in signal, the target detection reference signal is generated, including:
If determine that the target is sent out according to the continuous information between the SS blocks included in the target detection reference signal
Referring now to including discrete SS blocks in signal, then the maximum number based on the SS blocks included in the target detection reference signal
Generate the target detection reference signal.
Alternatively, the maximum number based on the SS blocks included in the target detection reference signal generates the target
It was found that reference signal, including:
Maximum number based on the SS blocks included in the target detection reference signal determines to generate the target detection ginseng
Examine the number of the SS blocks required for signal;
Corresponding SS blocks are set according to the number of determination, and the sign bit between adjacent and discontinuous two SS blocks is mended
Predetermined symbol is filled, to generate the target detection reference signal.
Alternatively, the predetermined symbol includes the combination of one or more of:PSS symbols, SSS symbols, PBCH symbols
Number, the DMRS symbols that carry in the PBCH, and CSI-RS symbols.
The embodiment of the present application provides a kind of network side equipment, passes through the carrier frequency of the carrying target detection reference signal of acquisition
Rate determines the maximum number of the SS blocks included in target detection reference signal, and according to the carrying target detection reference signal of acquisition
Subcarrier spacing determine the continuous information between the SS blocks included in target detection reference signal, and then according to target detection
Continuous information between the SS blocks included in the maximum number and target detection reference signal of the SS blocks included in reference signal, it is raw
Into target detection reference signal, so, by the maximum number and SS blocks of the SS blocks that can be included in target detection reference signal
Between continuous information, it may be determined that the number of the SS blocks included in target detection reference signal, based on SS blocks number structure
Corresponding target detection reference signal, so as to enable to user side equipment to find phase by the target detection reference signal of generation
The cell for the unlicensed spectrum answered, so that the terminal device accesses the cell to improve handling capacity.
System, device, module or the unit that above-described embodiment illustrates, it can specifically be realized by computer chip or entity,
Or realized by the product with certain function.One kind typically realizes that equipment is computer.Specifically, computer for example may be used
Think personal computer, laptop computer, cell phone, camera phone, smart phone, personal digital assistant, media play
It is any in device, navigation equipment, electronic mail equipment, game console, tablet PC, wearable device or these equipment
The combination of equipment.
For convenience of description, it is divided into various units during description apparatus above with function to describe respectively.Certainly, this is being implemented
The function of each unit can be realized in same or multiple softwares and/or hardware during application.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as the camera module of optical zoom, be
System or computer program product.Therefore, the present invention can use complete hardware embodiment, complete software embodiment or with reference to software
With the form of the embodiment of hardware aspect.Moreover, the present invention can use journey using computer is wherein included in one or more
Implement in the computer-usable storage medium (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.) of sequence code
Computer program product form.
The present invention is the camera module with reference to optical zoom according to embodiments of the present invention, equipment (system) and computer
The flow chart and/or block diagram of program product describes.It should be understood that can be by computer program instructions implementation process figure and/or side
Each flow and/or square frame in block diagram and the flow in flow chart and/or block diagram and/or the combination of square frame.It can provide
These computer program instructions are set to the processing of all-purpose computer, special-purpose computer, Embedded Processor or other programmable datas
Standby processor is to produce a machine so that passes through the computing device of computer or other programmable data processing devices
Instruction produces specifies for realizing in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames
Function device.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
In a typical configuration, computing device includes one or more processors (CPU), input/output interface, net
Network interface and internal memory.
Internal memory may include computer-readable medium in volatile memory, random access memory (RAM) and/or
The forms such as Nonvolatile memory, such as read-only storage (ROM) or flash memory (flash RAM).Internal memory is computer-readable medium
Example.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any optics
The camera module of zoom or technology realize that information stores.Information can be computer-readable instruction, data structure, the mould of program
Block or other data.The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static random-access is deposited
Reservoir (SRAM), dynamic random access memory (DRAM), other kinds of random access memory (RAM), read-only storage
(ROM), Electrically Erasable Read Only Memory (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc are read-only
Memory (CD-ROM), digital versatile disc (DVD) or other optical storages, magnetic cassette tape, tape magnetic rigid disk storage or
Other magnetic storage apparatus or any other non-transmission medium, the information that can be accessed by a computing device available for storage.According to
Herein defines, and computer-readable medium does not include temporary computer readable media (transitory media), such as modulation
Data-signal and carrier wave.
It should also be noted that, term " comprising ", "comprising" or its any other variant are intended to nonexcludability
Comprising so that camera module, commodity or the equipment of process, optical zoom including a series of elements not only include those
Key element, but also the other element including being not expressly set out, or also include for this process, the shooting mould of optical zoom
Group, commodity or the intrinsic key element of equipment.In the absence of more restrictions, limited by sentence "including a ..."
Key element, it is not excluded that also exist in addition in the process including the key element, the camera module of optical zoom, commodity or equipment
Identical element.
It will be understood by those skilled in the art that embodiments herein can be provided as the camera module of optical zoom, system or
Computer program product.Therefore, the application can use complete hardware embodiment, complete software embodiment or with reference to software and hardware
The form of the embodiment of aspect.Moreover, the application can use wherein includes computer usable program code in one or more
Computer-usable storage medium (include but is not limited to magnetic disk storage, CD-ROM, optical memory etc.) on the calculating implemented
The form of machine program product.
The application can be described in the general context of computer executable instructions, such as program
Module.Usually, program module includes performing particular task or realizes routine, program, object, the group of particular abstract data type
Part, data structure etc..The application can also be put into practice in a distributed computing environment, in these DCEs, by
Task is performed and connected remote processing devices by communication network.In a distributed computing environment, program module can be with
In the local and remote computer-readable storage medium including storage device.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment stressed is the difference with other embodiment.It is real especially for system
For applying example, because it is substantially similar to the camera module embodiment of optical zoom, so description is fairly simple, related part
Part referring to the camera module embodiment of optical zoom illustrates.
Embodiments herein is the foregoing is only, is not limited to the application.For those skilled in the art
For, the application can have various modifications and variations.All any modifications made within spirit herein and principle, it is equal
Replace, improve etc., it should be included within the scope of claims hereof.
Claims (21)
1. a kind of generation method for finding reference signal, it is characterised in that methods described includes:
Obtain the carrier frequency and subcarrier spacing of carrying target detection reference signal;
The maximum number for the synchronizing signal SS blocks for determining to include in the target detection reference signal according to the carrier frequency, and
The continuous information between the SS blocks that are included in the target detection reference signal is determined according to the subcarrier spacing;
Wrapped according in the maximum number of the SS blocks included in the target detection reference signal and the target detection reference signal
Continuous information between the SS blocks contained, generate the target detection reference signal.
2. according to the method for claim 1, it is characterised in that the SS blocks include a master sync signal PSS symbol,
One auxiliary synchronous signals SSS symbol and multiple Physical Broadcast Channel PBCH symbols, wherein carrying demodulation reference in the PBCH
Signal DMRS;
Using the PBCH symbols as terminating symbol in the SS blocks, and the PSS symbols take two not phases with the SSS symbols
Adjacent sign bit.
3. according to the method for claim 1, it is characterised in that described that the target detection is determined according to the carrier frequency
The maximum number of the SS blocks included in reference signal, including:
In the maximum number of corresponding relation from the carrier frequency prestored with SS blocks, the target detection reference signal is searched
Carrier frequency corresponding to SS blocks maximum number;
Maximum number using the maximum number of the SS blocks found as the SS blocks included in the target detection reference signal.
4. according to the method for claim 1, it is characterised in that described to determine that the target is sent out according to the subcarrier spacing
Referring now to the continuous information between the SS blocks included in signal, including:
From the corresponding relation of the continuous information between the subcarrier spacing and SS blocks prestored, the target detection ginseng is searched
Examine the continuous information between SS blocks corresponding to the subcarrier spacing of signal;
Using the continuous information between the SS blocks found as the company between the SS blocks included in the target detection reference signal
Continuous information.
5. according to the method for claim 3, it is characterised in that the carrier frequency prestored and the maximum number of SS blocks
The corresponding relation of purpose corresponding relation comprises at least:
If carrier frequency is less than 3GHz, the maximum number of SS blocks is 4;
If carrier frequency is more than or equal to 3GHz, and is less than 6GHz, then the maximum number of SS blocks is 8;
If carrier frequency is more than or equal to 6GHz, and is less than or equal to 52.6GHz, then the maximum number of SS blocks is 64.
6. according to the method for claim 4, it is characterised in that between the subcarrier spacing prestored and SS blocks
The corresponding relation of continuous information comprises at least:
If subcarrier spacing is 15KHz, the continuous information between SS blocks is discontinuous between SS blocks, and per continuous 14
2 SS blocks in symbol be present;
If subcarrier spacing is 30KHz, the continuous information between SS blocks is discontinuous between SS blocks, or, per continuous
2 continuous SS blocks in 14 symbols be present, and the SS blocks between every continuous 14 symbols are discontinuous;
If subcarrier spacing is 120KHz, the continuous information between SS blocks is interior in the presence of 2 companies per continuous 14 symbols
Continuous SS blocks, and the SS blocks between every continuous 14 symbols are discontinuous;
If subcarrier spacing is 240KHz, the continuous information between SS blocks is interior in the presence of 4 companies per continuous 28 symbols
Continuous SS blocks, and the SS blocks between every continuous 28 symbols are discontinuous.
7. according to the method for claim 6, it is characterised in that described according to including in the target detection reference signal
Continuous information between the SS blocks included in the maximum number of SS blocks and the target detection reference signal, generate the target hair
Referring now to signal, including:
If determine that the target detection is joined according to the continuous information between the SS blocks included in the target detection reference signal
Examine and continuous SS blocks are only included in signal, then according to the maximum number of the SS blocks included in the target detection reference signal and institute
The continuous information between the SS blocks included in target detection reference signal is stated, determines to wrap in the target detection reference signal
The target maximum number of the SS blocks contained;
The target detection reference signal is generated based on the target maximum number.
8. according to the method for claim 6, it is characterised in that described according to including in the target detection reference signal
Continuous information between the SS blocks included in the maximum number of SS blocks and the target detection reference signal, generate the target hair
Referring now to signal, including:
If determine that the target detection is joined according to the continuous information between the SS blocks included in the target detection reference signal
Examine and discrete SS blocks are included in signal, then the maximum number generation based on the SS blocks included in the target detection reference signal
The target detection reference signal.
9. according to the method for claim 8, it is characterised in that described based on including in the target detection reference signal
The maximum number of SS blocks generates the target detection reference signal, including:
Maximum number based on the SS blocks included in the target detection reference signal determines to generate the target detection with reference to letter
The number of SS blocks required for number;
Corresponding SS blocks are set according to the number of determination, and the sign bit supplement between adjacent and discontinuous two SS blocks is pre-
Fixed symbol, to generate the target detection reference signal.
10. according to the method for claim 9, it is characterised in that the predetermined symbol includes one or more of
Combination:The DMRS symbols carried in PSS symbols, SSS symbols, PBCH symbols, the PBCH, and channel condition information is with reference to letter
Number CSI-RS symbols.
11. a kind of generating means for finding reference signal, it is characterised in that described device includes:
Frequency acquisition module, for obtaining the carrier frequency and subcarrier spacing of carrying target detection reference signal;
Information determination module, for the synchronizing signal for determining to include in the target detection reference signal according to the carrier frequency
The maximum number of SS blocks, and determined according to the subcarrier spacing between the SS blocks that are included in the target detection reference signal
Continuous information;
Signal generation module, for the maximum number according to the SS blocks included in the target detection reference signal and the target
It was found that the continuous information between the SS blocks included in reference signal, generates the target detection reference signal.
12. device according to claim 11, it is characterised in that the SS blocks include a master sync signal PSS symbol
Number, an auxiliary synchronous signals SSS symbol and multiple Physical Broadcast Channel PBCH symbols, wherein carrying demodulation ginseng in the PBCH
Examine signal DMRS;
Using the PBCH symbols as terminating symbol in the SS blocks, and the PSS symbols take two not phases with the SSS symbols
Adjacent sign bit.
13. device according to claim 11, it is characterised in that described information determining module, including:
First searching unit, in the maximum number of corresponding relation from the carrier frequency prestored with SS blocks, searching institute
State the maximum number of SS blocks corresponding to the carrier frequency of target detection reference signal;
First information determining unit, for using the maximum number of the SS found blocks as being wrapped in the target detection reference signal
The maximum number of the SS blocks contained.
14. device according to claim 11, it is characterised in that described information determining module, including:
Second searching unit, for from the corresponding relation of the continuous information between the subcarrier spacing and SS blocks prestored,
Search the continuous information between SS blocks corresponding to the subcarrier spacing of the target detection reference signal;
Second information determination unit, for the continuous information between the SS blocks that will find as the target detection reference signal
In continuous information between the SS blocks that include.
15. device according to claim 13, it is characterised in that the carrier frequency prestored and the maximum of SS blocks
The corresponding relation of the corresponding relation of number comprises at least:
If carrier frequency is less than 3GHz, the maximum number of SS blocks is 4;
If carrier frequency is more than or equal to 3GHz, and is less than 6GHz, then the maximum number of SS blocks is 8;
If carrier frequency is more than or equal to 6GHz, and is less than or equal to 52.6GHz, then the maximum number of SS blocks is 64.
16. device according to claim 14, it is characterised in that between the subcarrier spacing prestored and SS blocks
The corresponding relation of continuous information comprise at least:
If subcarrier spacing is 15KHz, the continuous information between SS blocks is discontinuous between SS blocks, and per continuous 14
2 SS blocks in symbol be present;
If subcarrier spacing is 30KHz, the continuous information between SS blocks is discontinuous between SS blocks, or, per continuous
2 continuous SS blocks in 14 symbols be present, and the SS blocks between every continuous 14 symbols are discontinuous;
If subcarrier spacing is 120KHz, the continuous information between SS blocks is interior in the presence of 2 companies per continuous 14 symbols
Continuous SS blocks, and the SS blocks between every continuous 14 symbols are discontinuous;
If subcarrier spacing is 240KHz, the continuous information between SS blocks is interior in the presence of 4 companies per continuous 28 symbols
Continuous SS blocks, and the SS blocks between every continuous 28 symbols are discontinuous.
17. device according to claim 16, it is characterised in that the signal generation module, including:
Target numbers determining unit, if for according to the continuous letter between the SS blocks included in the target detection reference signal
Breath is determined only to include continuous SS blocks in the target detection reference signal, then included according in the target detection reference signal
SS blocks maximum number and the target detection reference signal in continuous information between the SS blocks that include, determine the target
It was found that the target maximum number for the SS blocks that can be included in reference signal;
First signal generation unit, for generating the target detection reference signal based on the target maximum number.
18. device according to claim 16, it is characterised in that the signal generation module, if for according to described
Continuous information between the SS blocks included in target detection reference signal determines to include non-company in the target detection reference signal
Continuous SS blocks, then the target detection reference of the maximum number generation based on the SS blocks included in the target detection reference signal
Signal.
19. device according to claim 18, it is characterised in that the signal generation module, including:
Number decision unit, generation institute is determined for the maximum number based on the SS blocks included in the target detection reference signal
State the number of the SS blocks required for target detection reference signal;
Secondary signal generation unit, for setting corresponding SS blocks according to the number of determination, and adjacent and discontinuous two
Sign bit between SS blocks supplements predetermined symbol, to generate the target detection reference signal.
20. device according to claim 19, it is characterised in that the predetermined symbol includes one or more of
Combination:The DMRS symbols carried in PSS symbols, SSS symbols, PBCH symbols, the PBCH, and channel condition information is with reference to letter
Number CSI-RS symbols.
A kind of 21. network side equipment, it is characterised in that including:Memory, processor and it is stored on the memory and can be
The computer program run on the processor, the computer program are realized such as claim 1 during the computing device
The step of to method any one of 10.
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