CN110166211A - It was found that the configuration method and device of reference signal - Google Patents
It was found that the configuration method and device of reference signal Download PDFInfo
- Publication number
- CN110166211A CN110166211A CN201810153162.7A CN201810153162A CN110166211A CN 110166211 A CN110166211 A CN 110166211A CN 201810153162 A CN201810153162 A CN 201810153162A CN 110166211 A CN110166211 A CN 110166211A
- Authority
- CN
- China
- Prior art keywords
- reference signal
- discovery reference
- ofdm symbols
- time slots
- discovery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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), DMT
-
- 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), DMT
- H04L5/0008—Wavelet-division
-
- 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
Abstract
A kind of configuration method and device finding reference signal, the described method includes: configuring n discovery reference signal in the time of measuring window for finding reference signal at 1, when n is greater than 1, multiple discovery reference signals are continuous on the ofdm symbols, wherein, the discovery reference signal includes at least primary synchronization signal, secondary synchronization signal, and n is positive integer.Above-mentioned scheme, the OFDM symbol that multiple discovery reference signals occupy is continuous, therefore the base station 5G can be made according to the channel access time, flexibly determines the sending instant of discovery reference signal.
Description
Technical field
The present invention relates to the communications fields, and in particular to a kind of configuration method and device for finding reference signal.
Background technique
Currently, the existing wireless frequency spectrum capacity for distributing to mobile communication business is with the fast development of mobile service
Through being unable to satisfy growing demand.One kind being referred to as authorization auxiliary access (Licensed Assisted Access)
Mechanism is introduced into, and in LLA mechanism, the transmission of mobile communication can carry in unlicensed spectrum, such as the frequency range of 5GHz, and mesh
Mainly Wi-Fi, bluetooth, radar, medical treatment etc. systems of these preceding unlicensed spectrums are using.
3GPP(3rdGeneration Parmership Project, third generation partner program) normal structure will grind
Study carefully and how to dispose (New Radio) network of newly eating dishes without rice or wine in unlicensed spectrum, so that reaching justice effectively utilizes unauthorized frequency
Spectrum improves the purpose of the message transmission rate of NR system.NR to the use of unlicensed spectrum there are three types of mode, one is: it is non-to award
Weigh NR cell (unauthorized cell) primary cell of frequency spectrum；Another kind is: UE accesses unauthorized cell by LTE cell, finally
One is user terminal (User Equipment, UE) to receive unauthorized cell, latter two mode authorization frequency spectrum by NR cell
It is that can be used in combination by way of being similar to carrier wave polymerization with unlicensed spectrum, i.e. a UE and 5G evolved base station
(great Node B, gNB) may be worked at the same time on authorization frequency spectrum and unlicensed spectrum.
Due to unauthorized cell discontinuous transmission, need to design a kind of discovery reference signal (Discovery Reference
Signal, DRS) bear cell identification, synchronization and wireless resource management (Radio Resource Management, RRM) survey
The function of amount.
Summary of the invention
Problems solved by the invention is to need to design a kind of discovery reference signal to bear cell identification, synchronization and wireless
The function of resource management measurement.
To solve the above problems, the embodiment of the present invention provides a kind of configuration method for finding reference signal, comprising: at 1
It was found that n discovery reference signal is configured in the time of measuring window of reference signal, and when n is greater than 1, multiple discovery reference signals
It is continuous on the ofdm symbols, wherein the discovery reference signal includes at least primary synchronization signal, secondary synchronization signal, and n is
Positive integer.
Optionally, of length no more than 1 time slot of the discovery reference signal.
Optionally, as n=1, the discovery reference signal occupies preceding 12 OFDM symbols of 1 time slot；As n > 1,
Before (n-1) a described discovery reference signal occupy whole OFDM symbols of 1 time slot, when n-th of discovery reference signal occupies 1
Preceding 12 OFDM symbols of gap.
Optionally, of length no more than 1 millisecond of the discovery reference signal.
Optionally, as n=1, the discovery reference signal occupies preceding 12 OFDM symbols of 1 time slot；As n > 1,
Before (n-1) a described discovery reference signal occupy whole OFDM symbols of 1 time slot respectively, n-th of discovery reference signal occupies 1
Preceding 12 OFDM symbols of a time slot, wherein n≤4.
Optionally, as n=1, the discovery reference signal occupies preceding 24 OFDM symbols of 2 time slots；As n > 1,
Before (n-1) a described discovery reference signal occupy whole OFDM symbols of 2 time slots respectively, n-th of discovery reference signal occupies 2
Preceding 24 OFDM symbols of a time slot, wherein n≤2.
Optionally, as n=1, the discovery reference signal occupies preceding 26 OFDM symbols of 2 time slots；As n > 1,
Before (n-1) a described discovery reference signal occupy whole OFDM symbols of 2 time slots respectively, n-th of discovery reference signal occupies 2
Preceding 26 OFDM symbols of a time slot, wherein n≤2.
Optionally, as n=1, the discovery reference signal occupies preceding 108 OFDM symbols of 8 time slots；As n > 1
When, preceding (n-1) a described discovery reference signal occupies whole OFDM symbols of 8 time slots, and n-th of discovery reference signal occupies 8
Preceding 108 OFDM symbols of a time slot, wherein n≤5.
Optionally, as n=1, the discovery reference signal occupies preceding 216 OFDM symbols of 16 time slots；As n > 1
When, preceding (n-1) a described discovery reference signal occupies whole OFDM symbols of 16 time slots, and n-th of discovery reference signal occupies
Preceding 216 OFDM symbols of 16 time slots, wherein n≤4.
Optionally, as n=1, the discovery reference signal occupies preceding 24 OFDM symbols of 2 time slots；As n > 1,
Before (n-1) a described discovery reference signal occupy whole OFDM symbols of 2 time slots respectively, n-th of discovery reference signal occupies 2
Preceding 24 OFDM symbols of a time slot, wherein n≤16.
Optionally, as n=1, the discovery reference signal occupies preceding 48 OFDM symbols of 4 time slots；As n > 1,
Before (n-1) a described discovery reference signal occupy whole OFDM symbols of 1 time slot respectively, n-th of discovery reference signal occupies 4
Preceding 48 OFDM symbols of a time slot, wherein n≤16.
Optionally, the discovery reference signal includes primary synchronization signal, secondary synchronization signal and Physical Broadcast Channel.
Optionally, the discovery reference signal includes channel state information reference signals.
Optionally, the discovery reference signal includes primary synchronization signal, secondary synchronization signal.
Optionally, the discovery reference signal includes channel state information reference signals.
The embodiment of the invention also provides a kind of configuration devices for finding reference signal, including memory, processor and deposit
Store up the computer program that can be run on a memory and on a processor, which is characterized in that the processor executes described program
When perform the steps of and configure n discovery reference signal in the time of measuring window for finding reference signal at 1, when n is greater than 1,
Multiple discovery reference signals are continuous on the ofdm symbols, wherein the discovery reference signal includes at least main synchronization
Signal, secondary synchronization signal, and n is positive integer.
Optionally, of length no more than 1 time slot of the discovery reference signal.
Optionally, as n=1, the discovery reference signal occupies preceding 12 OFDM symbols of 1 time slot；As n > 1,
Before (n-1) a described discovery reference signal occupy whole OFDM symbols of 1 time slot, when n-th of discovery reference signal occupies 1
Preceding 12 OFDM symbols of gap.
Optionally, of length no more than 1 millisecond of the discovery reference signal.
Optionally, as n=1, the discovery reference signal occupies preceding 12 OFDM symbols of 1 time slot；As n > 1,
Before (n-1) a described discovery reference signal occupy whole OFDM symbols of 1 time slot respectively, n-th of discovery reference signal occupies 1
Preceding 12 OFDM symbols of a time slot, wherein n≤4.
Optionally, as n=1, the discovery reference signal occupies preceding 24 OFDM symbols of 2 time slots；As n > 1,
Before (n-1) a described discovery reference signal occupy whole OFDM symbols of 2 time slots respectively, n-th of discovery reference signal occupies 2
Preceding 24 OFDM symbols of a time slot, wherein n≤2.
Optionally, as n=1, the discovery reference signal occupies preceding 26 OFDM symbols of 2 time slots；As n > 1,
Before (n-1) a described discovery reference signal occupy whole OFDM symbols of 2 time slots respectively, n-th of discovery reference signal occupies 2
Preceding 26 OFDM symbols of a time slot, wherein n≤2.
Optionally, as n=1, the discovery reference signal occupies preceding 108 OFDM symbols of 8 time slots；As n > 1
When, preceding (n-1) a described discovery reference signal occupies whole OFDM symbols of 8 time slots, and n-th of discovery reference signal occupies 8
Preceding 108 OFDM symbols of a time slot, wherein n≤5.
Optionally, as n=1, the discovery reference signal occupies preceding 216 OFDM symbols of 16 time slots；As n > 1
When, preceding (n-1) a described discovery reference signal occupies whole OFDM symbols of 16 time slots, and n-th of discovery reference signal occupies
Preceding 216 OFDM symbols of 16 time slots, wherein n≤4.
Optionally, as n=1, the discovery reference signal occupies preceding 24 OFDM symbols of 2 time slots；As n > 1,
Before (n-1) a described discovery reference signal occupy whole OFDM symbols of 2 time slots respectively, n-th of discovery reference signal occupies 2
Preceding 24 OFDM symbols of a time slot, wherein n≤16.
Optionally, as n=1, the discovery reference signal occupies preceding 48 OFDM symbols of 4 time slots；As n > 1,
Before (n-1) a described discovery reference signal occupy whole OFDM symbols of 1 time slot respectively, n-th of discovery reference signal occupies 4
Preceding 48 OFDM symbols of a time slot, wherein n≤16.
Optionally, the discovery reference signal includes primary synchronization signal, secondary synchronization signal and Physical Broadcast Channel.
Optionally, the discovery reference signal includes channel state information reference signals.
Optionally, the discovery reference signal includes primary synchronization signal, secondary synchronization signal.
Optionally, the discovery reference signal includes channel state information reference signals.
Compared with prior art, the technical solution of the embodiment of the present invention has the advantage that
In above-mentioned scheme, by configuring n discovery reference signal in 1 discovery reference signal time of measuring window,
When n is greater than 1, the OFDM symbol that multiple discovery reference signals occupy is continuous, therefore the base station 5G can be made according to letter
Road turn-on time flexibly determines the sending instant of discovery reference signal.
Further, in first kind scheme, for all unauthorized frequency ranges, no matter using great subcarrier spacing, institute
The length for stating discovery reference signal is no more than 1 time slot, consequently found that reference signal pattern can use unified design, uses
Family equipment does not need to change signal pattern according to subcarrier spacing dynamic.
Further, in the second class scheme, for all unauthorized frequency ranges, no matter using great subcarrier spacing, institute
The length for stating discovery reference signal is no more than 1 millisecond, therefore after access channel success, base station can be in longer time week
Discovery reference signal is sent in phase, so as to send wave beams more as far as possible.
Further, in third class scheme, for all unauthorized frequency ranges, no matter using great subcarrier spacing, institute
The signal pattern that discovery reference signal farthest reuses primary synchronization signal described in existing standard and secondary synchronization signal is stated, because
This discovery reference signal pattern is identical as the mapping pattern of middle synchronization signal block of currently newly eating dishes without rice or wine, and can farthest reuse existing
There is agreement.
Detailed description of the invention
Fig. 1 is the configuration structure schematic diagram of synchronization signal block in the prior art；
Fig. 2 is the mapping pattern of synchronization signal block in a slot in the prior art；
Fig. 3 to Figure 11 is the configuration structure schematic diagram of the discovery reference signal of one embodiment of the present of invention respectively；And
Figure 12 is the structural schematic diagram of the configuration device of the discovery reference signal of one embodiment of the present of invention.
Specific embodiment
In the NR system of 3GPP, the length of each radio frames in the time domain is 10ms, can be divided into 10 same big
Small length is the subframe of 1ms, and each subframe may include multiple time slots, and each time slot is made of a certain number of symbols, and
Symbol numbers are determined by cyclic prefix (cyclic prefix, CP) type.In the present invention, there are 14 OFDM in each time slot
Symbol.
NR system supports the transmitting of the synchronization signal block (Synchronization Signal Block, SSB) of multi-beam,
The synchronization signal block is made of 4 OFDM symbols, and the synchronization signal block may include primary synchronization signal (Primary
Synchronization Signal, PSS), secondary synchronization signal (Secondary Synchronization Signal, SSS)
With Physical Broadcast Channel (Physical Broadcast Channel, PBCH), configuration structure is as shown in Figure 1.
It is the configuration structure schematic diagram of synchronization signal block in the prior art with reference to Fig. 1, Fig. 1.The primary synchronization signal occupies 1
A OFDM symbol, the secondary synchronization signal occupy 1 OFDM symbol, and the Physical Broadcast Channel occupies 2 OFDM symbols, and
On frequency domain, the primary synchronization signal and secondary synchronization signal occupy 12 Physical Resource Block (Physical Resource respectively
Block, PRB), the Physical Broadcast Channel occupies 20 synchronization signal blocks in 2 OFDM symbols shared by it respectively, together
When, Physical Broadcast Channel occupies symbol occupied by secondary synchronization signal in a manner of frequency division multiplexing, occupied by secondary synchronization signal
OFDM symbol on occupy 8 Physical Resource Block.
With reference to Fig. 2, in the time domain length of 5ms, the mapping pattern such as Fig. 2 institute of the synchronization signal block in each time slot
Show.Under different subcarrier spacings, the position of the synchronization signal block in each time slot is different.The synchronization signal block is contained in
It was found that in reference signal.
When group intercarrier is divided into 15kHz, first time-domain symbol of candidate synchronization block is located at the OFDM on time slot
On symbol { 2,8 }+14n, when carrier frequency is less than 3GHz, n=0,1；When carrier frequency is less than or equal to 6GHz, n=0,1,
2,3.
When group intercarrier is divided into 30kHz, the first mapping pattern may is that first time domain of candidate synchronization block
Symbol is located on OFDM symbol { 4,8,16,20 }+28n on time slot, when carrier frequency is less than 3GHz, n=0；Work as carrier frequency
When rate is less than or equal to 6GHz, n=0,1.
When group intercarrier is divided into 30kHz, second of mapping pattern may is that first time domain of candidate synchronization block
Symbol is located on OFDM symbol { 2,8 }+14n on time slot, when carrier frequency is less than 3GHz, n=0, and 1；When carrier frequency is small
When being equal to 6GHz, n=0,1,2,3.
When group intercarrier is divided into 120kHz, first time-domain symbol of candidate synchronization block is located at the OFDM on time slot
On symbol { 4,8,16,20 }+28n, when carrier frequency is greater than 6GHz, n=0,1,2,3,5,6,7,8,10,11,12,13,15,
16,17,18.
When group intercarrier is divided into 240kHz, first time-domain symbol of candidate synchronization block is located at the OFDM on time slot
On symbol { 8,12,16,20,32,36,40,44 }+14n, when carrier frequency is greater than 6GHz, n=0,1,2,3,5,6,7,8.
The embodiment of the present invention discloses the allocation plan of three classes discovery reference signal.In three classes scheme, base station is at 1
It was found that configuring n discovery reference signal in measurement time of measuring window, when n is greater than 1, multiple discovery reference signals are in OFDM
Continuous on symbol, wherein the discovery reference signal include at least primary synchronization signal, secondary synchronization signal, and n be positive it is whole
Number.Because the OFDM symbol that multiple discovery reference signals occupy is continuously that the configuration method can make 5G base
It stands according to the channel access time, flexibly determines the sending instant of discovery reference signal.
In first kind scheme, for all unauthorized frequency ranges, no matter using great subcarrier spacing, the discovery ginseng
The length for examining signal is no more than 1 time slot, consequently found that reference signal pattern can use unified design, user equipment is not
It needs to change signal pattern according to subcarrier spacing dynamic.
Under different subcarrier spacings, base station can send one or more in the time of measuring window of discovery reference signal
A continuous discovery reference signal if base station only sends 1 discovery reference signal, configures the discovery in some embodiments
Reference signal occupies preceding 12 OFDM symbols of 1 non-empty slot in 1 radio frames, and the discovery reference signal is specifically matched
It is as follows to set method.
In some embodiments, with reference to Fig. 3, when group intercarrier is divided into 15kHz, 1 discovery reference signal occupy 1 it is non-
Preceding 12 OFDM symbols of empty slot, the discovery reference signal include 2 synchronization signal blocks, mapping graph according to Fig.2,
Sample, the initial position of the synchronization signal block are located at the OFDM symbol { 2,8 } in this time slot.
In some embodiments, with reference to Fig. 4, when group intercarrier is divided into 15kHz, a discovery reference signal occupies one
Preceding 12 OFDM symbols of non-empty slot, the discovery reference signal may include 2 primary synchronization signals and 2 auxiliary synchronous letters
Number, mapping pattern according to Fig.2, first and second primary synchronization signal and secondary synchronization signal are located in this time slot
OFDM symbol { 2&4,8&9 }.
In some embodiments, with reference to Fig. 5, when group intercarrier is divided into 15kHz, a discovery reference signal occupies one
Preceding 12 OFDM symbols of non-empty slot, the discovery reference signal can with can arrangement include channel state information with reference to letter
Number (Channel State Information Reference Signal, CSI-RS), time-domain position are configured in described
It was found that quantity can be one or more in OFDM symbol occupied by reference signal.In the present embodiment, the CSI-RS
Symbol 6 and symbol 7 are occupied, in some other embodiment, the CSI-RS can take up symbol 0 or symbol 1.The present invention couple
The configuration mode of CSI-RS is not specifically limited.
In some embodiments, if base station continuously transmits multiple discovery references in the time of measuring window of discovery reference signal
Signal (n > 1), (n-1) a described discovery reference signal occupies whole OFDM symbols of 1 time slot, n-th of discovery ginseng before configuration
It examines the configuration method of signal and above-mentioned base station only sends that a discovery configuration method for reference signal is identical, and it will not be described here.
To sum up, in first kind scheme, if subcarrier spacing is 15kHz, when carrier frequency is less than or equal to 3GHz, base station
At most continuously transmit 2 discovery reference signals；When carrier frequency is less than or equal to 6GHz, base station at most continuously transmits 4 discoveries
Reference signal.
If subcarrier spacing is 30kHz (the first mapping pattern), when carrier frequency is less than or equal to 3GHz, base station is most
Continuously transmit 2 discovery reference signals；When carrier frequency is less than or equal to 6GHz, base station at most continuously transmits 4 discovery references
Signal.
If subcarrier spacing is 30kHz (second of mapping pattern), when carrier frequency is less than or equal to 3GHz, base station is most
Continuously transmit 2 discovery reference signals；When carrier frequency is less than or equal to 6GHz, base station at most continuously transmits 4 discovery references
Signal.
If subcarrier spacing is 120kHz, base station at most continuously transmits 32 discovery reference signals.
In the second class scheme, for all unauthorized frequency ranges, no matter using great subcarrier spacing, the discovery ginseng
The length for examining signal is no more than 1 millisecond, therefore after access channel success, base station can be sent within the longer time period
It was found that reference signal, so as to send wave beams more as far as possible.
When base station only sends 1 discovery reference signal, the configuration method of the discovery reference signal is as follows.
In some embodiments, when group intercarrier is divided into 15kHz, the configuration method and first of the discovery reference signal
Configuration method in class scheme is identical, and it will not be described here.
In some embodiments, with reference to Fig. 6, when group intercarrier is divided into 30kHz (the first mapping pattern), 1 discovery
Reference signal occupies preceding 24 OFDM symbols of 2 non-empty slots, and the discovery reference signal includes 4 synchronization signal blocks, institute
The initial position for stating synchronization signal block is located at OFDM symbol { 4,8,16,20 } in 2 time slots.
In some embodiments, with reference to Fig. 7, when group intercarrier is divided into 30kHz (the first mapping pattern), 1 discovery
Reference signal occupies preceding 24 OFDM symbols of 2 non-empty slots, and the discovery reference signal includes 4 primary synchronization signals and 4
A secondary synchronization signal, the initial position of the synchronization signal block are located at OFDM symbol { 4&6,8&10,16& in 2 time slots
18,20&22 }.
In some embodiments, when group intercarrier is divided into 30kHz (the first mapping pattern), 1 discovery reference signal
Occupy preceding 24 OFDM symbols of 2 non-empty slots, the discovery reference signal can with can arrangement include channel status letter
Reference signal is ceased, time-domain position is configured in OFDM symbol occupied by the discovery reference signal.
When group intercarrier is divided into 30kHz (the first mapping pattern), the discovery reference signal can also be by with lower section
Formula configuration.
In some embodiments, with reference to Fig. 8, when group intercarrier is divided into 30kHz (the first mapping pattern), 1 discovery
Reference signal occupies preceding 26 OFDM symbols of 2 non-empty slots, and the discovery reference signal includes 4 synchronization signal blocks, institute
The initial position for stating synchronization signal block is located at OFDM symbol { 4,8,16,20 } in 2 time slots.
In some embodiments, with reference to Fig. 9, when group intercarrier is divided into 30kHz (the first mapping pattern), 1 discovery
Reference signal occupies preceding 26 OFDM symbols of 2 non-empty slots, and the discovery reference signal includes 4 primary synchronization signals and 4
A secondary synchronization signal, the initial position of the synchronization signal block are located at OFDM symbol { 4&6,8&10,16& in 2 time slots
18,20&22 }.
In some embodiments, when group intercarrier is divided into 30kHz (the first mapping pattern), 1 discovery reference signal
Occupy preceding 26 OFDM symbols of 2 non-empty slots, the discovery reference signal can with can arrangement include channel status letter
Reference signal is ceased, time-domain position is configured in OFDM symbol occupied by the discovery reference signal.
In some embodiments, with reference to Figure 10, when group intercarrier is divided into 30kHz (second of mapping pattern), 1 discovery
Reference signal occupies preceding 26 OFDM symbols of 2 non-empty slots, and the discovery reference signal includes 4 synchronization signal blocks, institute
The initial position for stating synchronization signal block is located at OFDM symbol { 2,8,16,22 } in 2 time slots.
In some embodiments, with reference to Figure 11, when group intercarrier is divided into 30kHz (second of mapping pattern), 1 discovery
Reference signal occupies preceding 26 OFDM symbols of 2 non-empty slots, and the discovery reference signal includes 4 primary synchronization signals and 4
A secondary synchronization signal, the initial position of the synchronization signal block are located at OFDM symbol { 2&4,8&10,16& in 2 time slots
18,22&24 }.
In some embodiments, when group intercarrier is divided into 30kHz (second of mapping pattern), 1 discovery reference signal
Occupy preceding 26 OFDM symbols of 2 non-empty slots, the discovery reference signal can with can arrangement include channel status letter
Reference signal is ceased, time-domain position is configured in OFDM symbol occupied by the discovery reference signal.
In some embodiments, when group intercarrier is divided into 120kHz, 1 discovery reference signal occupies 8 non-empty slots
Preceding 108 OFDM symbols, the discovery reference signal in every 2 time slots include 4 synchronization signal blocks, the synchronization signal
The initial position of block is located at the OFDM symbol { 4,8,16,20 } in every 2 time slots.
In some embodiments, when group intercarrier is divided into 120kHz, 1 discovery reference signal occupies 8 non-empty slots
Preceding 108 OFDM symbols, the discovery reference signal includes the auxiliary synchronous letter of 4 primary synchronization signals and 4 in every 2 time slots
Number, the initial position of the synchronization signal block is located at OFDM symbol { 4&6,8&10,16&18,20& in every 2 time slots
22}。
In some embodiments, when group intercarrier is divided into 120kHz, 1 discovery reference signal occupies 8 non-empty slots
Preceding 108 OFDM symbols, the discovery reference signal can with can arrangement include channel state information reference signals, at that time
Domain position is configured in OFDM symbol occupied by the discovery reference signal.
In some embodiments, when group intercarrier is divided into 240kHz, 1 discovery reference signal occupies 16 non-empty slots
Preceding 216 OFDM symbols, the discovery reference signal in every 4 time slots include 8 synchronization signal blocks, the synchronization signal
The initial position of block is located at the OFDM symbol { 8,12,16,20,32,36,40,44 } in every 4 time slots.
In some embodiments, when group intercarrier is divided into 240kHz, 1 discovery reference signal occupies 16 non-empty slots
Preceding 216 OFDM symbols, the discovery reference signal includes the auxiliary synchronous letter of 8 primary synchronization signals and 8 in every 4 time slots
Number, the initial position of the synchronization signal block is located at OFDM symbol { 8&10,12&14,16&18,20& in every 4 time slots
22,32&34,36&38,40&42,44&46 }.
In some embodiments, when group intercarrier is divided into 240kHz, 1 discovery reference signal occupies 16 non-empty slots
Preceding 216 OFDM symbols, the discovery reference signal can with can arrangement include channel state information reference signals, at that time
Domain position is configured in OFDM symbol occupied by the discovery reference signal.
In the second class scheme, if base station continuously transmits multiple discovery references in the time of measuring window of discovery reference signal
Signal (n > 1), (n-1) a described discovery reference signal occupies whole OFDM symbols of each time slot occupied by it before configuration,
It is identical that configuration method and the above-mentioned base station of n-th of discovery reference signal only send a discovery configuration method for reference signal,
It will not go into details for this.
To sum up, in the second class scheme, if subcarrier spacing is 15kHz, when carrier frequency is less than or equal to 3GHz, base station
At most continuously transmit 2 discovery reference signals；When carrier frequency is less than or equal to 6GHz, base station at most continuously transmits 4 discoveries
Reference signal.
If subcarrier spacing is 30kHz (the first mapping pattern), when carrier frequency is less than or equal to 3GHz, base station is most
Continuously transmit 1 discovery reference signal；When carrier frequency is less than or equal to 6GHz, base station at most continuously transmits 2 discovery references
Signal.
If subcarrier spacing is 30kHz (second of mapping pattern), when carrier frequency is less than or equal to 3GHz, base station is most
Continuously transmit 1 discovery reference signal；When carrier frequency is less than or equal to 6GHz, base station at most continuously transmits 2 discovery references
Signal.
If subcarrier spacing is 120kHz, base station at most continuously transmits 5 discovery reference signals.
If subcarrier spacing is 240kHz, base station at most continuously transmits 4 discovery reference signals.
In third class scheme, for all unauthorized frequency ranges, no matter using great subcarrier spacing, the discovery ginseng
The signal pattern that signal farthest reuses primary synchronization signal described in existing standard and secondary synchronization signal is examined, consequently found that ginseng
It is identical as the mapping pattern of middle synchronization signal block of currently newly eating dishes without rice or wine to examine signal pattern, can farthest reuse existing protocol.
When base station only sends 1 discovery reference signal, the configuration method of the discovery reference signal is as follows.
In some embodiments, when group intercarrier is divided into 15kHz, the configuration method and first of the discovery reference signal
Configuration method in class scheme is identical, and it will not be described here.
In some embodiments, when group intercarrier is divided into 30kHz (the first mapping pattern), the discovery reference signal
Configuration method it is identical as the configuration method in the second class scheme, it will not be described here.
In some embodiments, when group intercarrier is divided into 30kHz (second of mapping pattern), the discovery reference signal
Configuration method it is identical as the configuration method in first kind scheme, it will not be described here.
In some embodiments, when group intercarrier is divided into 120kHz, 1 discovery reference signal occupies 2 non-empty slots
Preceding 24 OFDM symbols, the discovery reference signal in 2 time slots include 4 synchronization signal blocks, the synchronization signal block
Initial position be located at the OFDM symbol { 4,8,16,20 } in 2 time slots.
In some embodiments, when group intercarrier is divided into 120kHz, 1 discovery reference signal occupies 2 non-empty slots
Preceding 24 OFDM symbols, the discovery reference signal in 2 time slots include 4 primary synchronization signals and 4 secondary synchronization signals,
The initial position of the synchronization signal block is located at the OFDM symbol { 4&6,8&10,16&18,20&22 } in 2 time slots.
In some embodiments, when group intercarrier is divided into 120kHz, 1 discovery reference signal occupies 2 non-empty slots
Preceding 24 OFDM symbols, the discovery reference signal can with can arrangement include channel state information reference signals, at that time
Domain position is configured in OFDM symbol occupied by the discovery reference signal.
In some embodiments, when group intercarrier is divided into 240kHz, 1 discovery reference signal occupies 4 non-empty slots
Preceding 48 OFDM symbols, the discovery reference signal in 4 time slots include 8 synchronization signal blocks, the synchronization signal block
Initial position be located at the OFDM symbol { 8,12,16,20,32,36,40,44 } in 4 time slots.
In some embodiments, when group intercarrier is divided into 240kHz, 1 discovery reference signal occupies 4 non-empty slots
Preceding 48 OFDM symbols, the discovery reference signal in 4 time slots include 8 primary synchronization signals and 8 secondary synchronization signals,
The initial position of the synchronization signal block be located in 4 time slots OFDM symbol 8&10,12&14,16&18,20&22,
32&34,36&38,40&42,44&46 }.
In some embodiments, when group intercarrier is divided into 240kHz, 1 discovery reference signal occupies 4 non-empty slots
Preceding 48 OFDM symbols, the discovery reference signal can with can arrangement include channel state information reference signals, at that time
Domain position is configured in OFDM symbol occupied by the discovery reference signal.
In third class scheme, if base station continuously transmits multiple discovery references in the time of measuring window of discovery reference signal
Signal (n > 1), (n-1) a described discovery reference signal occupies whole OFDM symbols of each time slot occupied by it before configuration,
It is identical that configuration method and the above-mentioned base station of n-th of discovery reference signal only send a discovery configuration method for reference signal,
It will not go into details for this.
To sum up, in third class scheme, if subcarrier spacing is 15kHz, when carrier frequency is less than or equal to 3GHz, base station
At most continuously transmit 2 discovery reference signals；When carrier frequency is less than or equal to 6GHz, base station at most continuously transmits 4 discoveries
Reference signal.
If subcarrier spacing is 30kHz (the first mapping pattern), when carrier frequency is less than or equal to 3GHz, base station is most
Continuously transmit 1 discovery reference signal；When carrier frequency is less than or equal to 6GHz, base station at most continuously transmits 2 discovery references
Signal.
If subcarrier spacing is 30kHz (second of mapping pattern), when carrier frequency is less than or equal to 3GHz, base station is most
Continuously transmit 1 discovery reference signal；When carrier frequency is less than or equal to 6GHz, base station at most continuously transmits 2 discovery references
Signal.
If subcarrier spacing is 120kHz, base station at most continuously transmits 16 discovery reference signals.
If subcarrier spacing is 240kHz, base station at most continuously transmits 16 discovery reference signals.
Figure 12 provides the sending device of the synchronization signal block of one embodiment of the present of invention, including memory 121, processing
Device 122 is stored with the computer program that can be run on the processor 122 on memory 121, described to be stored on memory 121
Computer program be the program for realizing above method step, the processor 122 realizes institute above when executing described program
State step.The memory 121 may include: ROM, RAM, disk or CD etc..The step refers to step above, this
Place repeats no more.
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (30)
1. a kind of configuration method for finding reference signal characterized by comprising
N discovery reference signal is configured in the time of measuring window that 1 finds reference signal, when n is greater than 1, multiple hairs
It is continuous on the ofdm symbols referring now to signal, wherein the discovery reference signal includes at least primary synchronization signal, auxiliary synchronization
Signal, and n is positive integer.
2. the configuration method of discovery reference signal according to claim 1, which is characterized in that the discovery reference signal
Of length no more than 1 time slot.
3. the configuration method of discovery reference signal according to claim 2, which is characterized in that as n=1, the discovery
Reference signal occupies preceding 12 OFDM symbols of 1 time slot；As n > 1, preceding (n-1) a described discovery reference signal occupies 1
Whole OFDM symbols of time slot, n-th of discovery reference signal occupy preceding 12 OFDM symbols of 1 time slot.
4. the configuration method of discovery reference signal according to claim 1, which is characterized in that the discovery reference signal
Of length no more than 1 millisecond.
5. the configuration method of discovery reference signal according to claim 4, which is characterized in that as n=1, the discovery
Reference signal occupies preceding 12 OFDM symbols of 1 time slot；As n > 1, preceding (n-1) a described discovery reference signal accounts for respectively
According to whole OFDM symbols of 1 time slot, n-th of discovery reference signal occupies preceding 12 OFDM symbols of 1 time slot, wherein and n≤
4。
6. the configuration method of discovery reference signal according to claim 4, which is characterized in that as n=1, the discovery
Reference signal occupies preceding 24 OFDM symbols of 2 time slots；As n > 1, preceding (n-1) a described discovery reference signal accounts for respectively
According to whole OFDM symbols of 2 time slots, n-th of discovery reference signal occupies preceding 24 OFDM symbols of 2 time slots, wherein and n≤
2。
7. the configuration method of discovery reference signal according to claim 4, which is characterized in that as n=1, the discovery
Reference signal occupies preceding 26 OFDM symbols of 2 time slots；As n > 1, preceding (n-1) a described discovery reference signal accounts for respectively
According to whole OFDM symbols of 2 time slots, n-th of discovery reference signal occupies preceding 26 OFDM symbols of 2 time slots, wherein and n≤
2。
8. the configuration method of discovery reference signal according to claim 4, which is characterized in that as n=1, the discovery
Reference signal occupies preceding 108 OFDM symbols of 8 time slots；As n > 1, preceding (n-1) a described discovery reference signal occupies 8
Whole OFDM symbols of a time slot, n-th of discovery reference signal occupy preceding 108 OFDM symbols of 8 time slots, wherein n≤5.
9. the configuration method of discovery reference signal according to claim 4, which is characterized in that as n=1, the discovery
Reference signal occupies preceding 216 OFDM symbols of 16 time slots；As n > 1, preceding (n-1) a described discovery reference signal is occupied
Whole OFDM symbols of 16 time slots, n-th of discovery reference signal occupy preceding 216 OFDM symbols of 16 time slots, wherein n
≤4。
10. the configuration method of discovery reference signal according to claim 1, which is characterized in that as n=1, the discovery
Reference signal occupies preceding 24 OFDM symbols of 2 time slots；As n > 1, preceding (n-1) a described discovery reference signal accounts for respectively
According to whole OFDM symbols of 2 time slots, n-th of discovery reference signal occupies preceding 24 OFDM symbols of 2 time slots, wherein and n≤
16。
11. the configuration method of discovery reference signal according to claim 1, which is characterized in that as n=1, the discovery
Reference signal occupies preceding 48 OFDM symbols of 4 time slots；As n > 1, preceding (n-1) a described discovery reference signal accounts for respectively
According to whole OFDM symbols of 1 time slot, n-th of discovery reference signal occupies preceding 48 OFDM symbols of 4 time slots, wherein and n≤
16。
12. according to the configuration method of the discovery reference signal any in claim 2-11, which is characterized in that the discovery
Reference signal includes primary synchronization signal, secondary synchronization signal and Physical Broadcast Channel.
13. the configuration method of discovery reference signal according to claim 12, which is characterized in that the discovery reference signal
Including channel state information reference signals.
14. according to the configuration method of the discovery reference signal any in claim 2-11, which is characterized in that the discovery
Reference signal includes primary synchronization signal, secondary synchronization signal.
15. the configuration method of discovery reference signal according to claim 14, which is characterized in that the discovery reference signal
Including channel state information reference signals.
16. a kind of configuration device for finding reference signal, including memory, processor, being stored on memory can be in processor
The computer program of upper operation, which is characterized in that the processor performs the steps of when executing described program
N discovery reference signal is configured in the time of measuring window that 1 finds reference signal, when n is greater than 1, multiple hairs
It is continuous on the ofdm symbols referring now to signal, wherein the discovery reference signal includes at least primary synchronization signal, auxiliary synchronization
Signal, and n is positive integer.
17. the configuration device of discovery reference signal according to claim 16, which is characterized in that the discovery reference signal
Of length no more than 1 time slot.
18. the configuration device of discovery reference signal according to claim 17, which is characterized in that as n=1, the hair
Preceding 12 OFDM symbols of 1 time slot are occupied referring now to signal；As n > 1, preceding (n-1) a described discovery reference signal occupies 1
Whole OFDM symbols of a time slot, n-th of discovery reference signal occupy preceding 12 OFDM symbols of 1 time slot.
19. the configuration device of discovery reference signal according to claim 16, which is characterized in that the discovery reference signal
Of length no more than 1 millisecond.
20. the configuration device of discovery reference signal according to claim 19, which is characterized in that as n=1, the hair
Preceding 12 OFDM symbols of 1 time slot are occupied referring now to signal；As n > 1, preceding (n-1) a described discovery reference signal difference
Whole OFDM symbols of 1 time slot are occupied, n-th of discovery reference signal occupies preceding 12 OFDM symbols of 1 time slot, wherein n
≤4。
21. the configuration device of discovery reference signal according to claim 19, which is characterized in that as n=1, the hair
Preceding 24 OFDM symbols of 2 time slots are occupied referring now to signal；As n > 1, preceding (n-1) a described discovery reference signal difference
Whole OFDM symbols of 2 time slots are occupied, n-th of discovery reference signal occupies preceding 24 OFDM symbols of 2 time slots, wherein n
≤2。
22. the configuration device of discovery reference signal according to claim 19, which is characterized in that as n=1, the hair
Preceding 26 OFDM symbols of 2 time slots are occupied referring now to signal；As n > 1, preceding (n-1) a described discovery reference signal difference
Whole OFDM symbols of 2 time slots are occupied, n-th of discovery reference signal occupies preceding 26 OFDM symbols of 2 time slots, wherein n
≤2。
23. the configuration device of discovery reference signal according to claim 19, which is characterized in that as n=1, the hair
Preceding 108 OFDM symbols of 8 time slots are occupied referring now to signal；As n > 1, preceding (n-1) a described discovery reference signal is occupied
Whole OFDM symbols of 8 time slots, n-th of discovery reference signal occupy preceding 108 OFDM symbols of 8 time slots, wherein and n≤
5。
24. the configuration device of discovery reference signal according to claim 19, which is characterized in that as n=1, the hair
Preceding 216 OFDM symbols of 16 time slots are occupied referring now to signal；As n > 1, preceding (n-1) a described discovery reference signal is accounted for
According to whole OFDM symbols of 16 time slots, n-th of discovery reference signal occupies preceding 216 OFDM symbols of 16 time slots, wherein
n≤4。
25. the configuration device of discovery reference signal according to claim 16, which is characterized in that as n=1, the hair
Preceding 24 OFDM symbols of 2 time slots are occupied referring now to signal；As n > 1, preceding (n-1) a described discovery reference signal difference
Whole OFDM symbols of 2 time slots are occupied, n-th of discovery reference signal occupies preceding 24 OFDM symbols of 2 time slots, wherein n
≤16。
26. the configuration device of discovery reference signal according to claim 16, which is characterized in that as n=1, the hair
Preceding 48 OFDM symbols of 4 time slots are occupied referring now to signal；As n > 1, preceding (n-1) a described discovery reference signal difference
Whole OFDM symbols of 1 time slot are occupied, n-th of discovery reference signal occupies preceding 48 OFDM symbols of 4 time slots, wherein n
≤16。
27. according to claim 1 in 7-26 any discovery reference signal configuration device, which is characterized in that the hair
It include primary synchronization signal, secondary synchronization signal and Physical Broadcast Channel referring now to signal.
28. the configuration device of discovery reference signal according to claim 27, which is characterized in that the discovery reference signal
Including channel state information reference signals.
29. according to claim 1 in 7-26 any discovery reference signal configuration device, which is characterized in that the hair
It include primary synchronization signal, secondary synchronization signal referring now to signal.
30. the configuration device of discovery reference signal according to claim 29, which is characterized in that the discovery reference signal
Including channel state information reference signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810153162.7A CN110166211A (en) | 2018-02-13 | 2018-02-13 | It was found that the configuration method and device of reference signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810153162.7A CN110166211A (en) | 2018-02-13 | 2018-02-13 | It was found that the configuration method and device of reference signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110166211A true CN110166211A (en) | 2019-08-23 |
Family
ID=67635534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810153162.7A Pending CN110166211A (en) | 2018-02-13 | 2018-02-13 | It was found that the configuration method and device of reference signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110166211A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021062578A1 (en) * | 2019-09-30 | 2021-04-08 | Oppo广东移动通信有限公司 | Wireless communication method, network device and terminal device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017026980A1 (en) * | 2015-08-13 | 2017-02-16 | Intel IP Corporation | Discovery reference signal design for lte in unlicensed bands |
| CN106559200A (en) * | 2015-09-25 | 2017-04-05 | 电信科学技术研究院 | A kind of data is activation, method of reseptance and device |
| CN106686603A (en) * | 2015-11-05 | 2017-05-17 | 中兴通讯股份有限公司 | Clear channel assessment detection method and clear channel assessment detection device |
| CN106900175A (en) * | 2015-09-25 | 2017-06-27 | 华为技术有限公司 | A kind of method of sending and receiving of user equipment, base station and data channel |
| CN107040938A (en) * | 2015-07-16 | 2017-08-11 | 北京三星通信技术研究有限公司 | A kind of signal sends the method and user equipment with receiving |
| CN107079464A (en) * | 2014-11-03 | 2017-08-18 | 三星电子株式会社 | The method and apparatus of the channel access of LTE in unlicensed spectrum |
-
2018
- 2018-02-13 CN CN201810153162.7A patent/CN110166211A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107079464A (en) * | 2014-11-03 | 2017-08-18 | 三星电子株式会社 | The method and apparatus of the channel access of LTE in unlicensed spectrum |
| CN107040938A (en) * | 2015-07-16 | 2017-08-11 | 北京三星通信技术研究有限公司 | A kind of signal sends the method and user equipment with receiving |
| WO2017026980A1 (en) * | 2015-08-13 | 2017-02-16 | Intel IP Corporation | Discovery reference signal design for lte in unlicensed bands |
| CN106559200A (en) * | 2015-09-25 | 2017-04-05 | 电信科学技术研究院 | A kind of data is activation, method of reseptance and device |
| CN106900175A (en) * | 2015-09-25 | 2017-06-27 | 华为技术有限公司 | A kind of method of sending and receiving of user equipment, base station and data channel |
| CN106686603A (en) * | 2015-11-05 | 2017-05-17 | 中兴通讯股份有限公司 | Clear channel assessment detection method and clear channel assessment detection device |
Non-Patent Citations (2)
| Title |
|---|
| HUAWEI, HISILICON: "《3GPP TSG RAN WG1 Adhoc Meeting R1-1800042》", 26 January 2018 * |
| SONY: "《3GPP TSG RAN WG1 Meeting AH_NR#3 R1-171625》", 21 September 2017 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021062578A1 (en) * | 2019-09-30 | 2021-04-08 | Oppo广东移动通信有限公司 | Wireless communication method, network device and terminal device |
| CN113574944A (en) * | 2019-09-30 | 2021-10-29 | Oppo广东移动通信有限公司 | Wireless communication method, network equipment and terminal equipment |
| CN113574944B (en) * | 2019-09-30 | 2023-02-14 | Oppo广东移动通信有限公司 | Wireless communication method, network equipment and terminal equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110741593B (en) | Method and apparatus for generating and using reference signals for radio system broadcast channels | |
| CN111162890B (en) | System and method for WLAN OFDMA design of subcarrier groups and frame formats | |
| CN110611957B (en) | Signal transmission method and device | |
| EP3487138B1 (en) | Method and device for transmitting and receiving synchronous signal, and transmission system | |
| EP3843439A1 (en) | Method and apparatus for configuring sidelink resources | |
| CN109391426B (en) | Resource position indication and receiving method and device | |
| EP2907253B1 (en) | System and method for carrier aggregation for wireless local area networks | |
| CN104956753B (en) | Mobile communication base station and for the method based on the resource outside UE capability distribution virtual carrier | |
| CN106304346B (en) | A kind of sending, receiving method and device of synchronization signal | |
| CN107634925B (en) | Method and device for sending and receiving synchronous channel and transmission system | |
| CN111464274B (en) | Communication method and device | |
| CN109041199A (en) | A kind of transmission method and device of synchronization signal | |
| CN109802792A (en) | The method for receiving the method for reference signal and sending reference signal | |
| CN102123514A (en) | Method for realizing multiple accesses in wireless local area network and wireless local area network system | |
| CN107920364A (en) | Sending method, method of reseptance and the device of synchronizing signal | |
| EP3934329A1 (en) | Communication method and device | |
| CN110234164A (en) | A kind of determining control channel location method equipment and processor readable storage medium | |
| CN109246822A (en) | Transmit method, base station and the user equipment of broadcast message | |
| WO2012155326A1 (en) | Method and apparatus for configuring sounding reference signal for segment carrier | |
| CN111465022B (en) | Signal transmitting and receiving method and device | |
| CN106797529A (en) | Subband distribution technique for reducing machine-type communication (MTC) equipment of bandwidth | |
| CN107888351B (en) | Reference signal sending method, reference signal processing method and equipment | |
| US11258571B2 (en) | Downlink control information transmission method, apparatus, and system | |
| WO2015089296A1 (en) | Csi-rs based cell discovery signal | |
| WO2020063929A1 (en) | Method and device for transmitting discovery reference signal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Hualei Inventor before: Zhou Huan Inventor before: Wang Hualei Inventor before: Shen Xingya |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190823 |