CN107770866A - A kind of transmission method of uplink reference signals, device and terminal - Google Patents
A kind of transmission method of uplink reference signals, device and terminal Download PDFInfo
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- CN107770866A CN107770866A CN201610685115.8A CN201610685115A CN107770866A CN 107770866 A CN107770866 A CN 107770866A CN 201610685115 A CN201610685115 A CN 201610685115A CN 107770866 A CN107770866 A CN 107770866A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1221—Wireless traffic scheduling based on age of data to be sent
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of transmission method of uplink reference signals, device and terminal, is related to communication technical field, and method therein includes：When sending data by Physical Uplink Shared Channel PUSCH, data are sent in units of Transmission Time Interval TTI in the time domain, wherein, data-signal and demodulated reference signal DM RS are transmitted in TTI；DM RS in TTI are loaded on sub-carriers according to Comb Pilot structure in a frequency domain, also, TTI and adjacent TTI multiplexing DM RS.Transmission method, device and the terminal of the uplink reference signals of the present invention, PUSCH DM RS are loaded on sub-carriers using pectinate texture, different TTI DM RS can be multiplexed, the expense of uplink reference signals DM RS in short TTI can be reduced, improve the utilization rate of resource, there is provided higher data rate.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of transmission method of uplink reference signals, device and terminal.
Background technology
5th generation mobile phone mobile communication standard, also referred to as the 5th third-generation mobile communication technology, are abbreviated as 5G, after being 4G
Extension.5G includes three big application scenarios：Strengthen mobile broadband scene, magnanimity connection MTC scenes, the highly reliable scene of low time delay.
The application such as ultra high-definition video, video conference, 3D game not only proposes higher to traffic rate in enhancing mobile broadband scene
Demand, while higher requirement is it is also proposed to time delay.5G systems need to support higher data rate and lower time delay,
And provided for each user in network and ensure more high-quality experience.For example, the car networking, remote in the highly reliable scene of low time delay
The business such as journey medical treatment and Industry Control proposes higher requirement to time delay, and end-to-end time delay is minimum to be down to 1ms.Low time delay height can
By being the important special topic group of IMT-2020 (5G) propulsion group.
At present, the TTI length that LTE is defined is 1ms, includes 14 symbols.Uplink data channels PUSCH and reference signal
DM-RS mapping relations are as shown in figure 1, DM-RS expense is 14.3%.TTI contraction in lengths can be formed to reduce time delay
Short TTI (sTTI), sTTI may include 1-7 symbol.If continuing to use LTE criterion, DM-RS is included in PUSCH and takes 1 symbol
Number, when sTTI includes 7 symbols, DM-RS expenses for 14.3% when sTTI includes 4 symbols, for 25% work as by DM-RS expenses
When sTTI includes 3 symbols, for DM-RS expenses for 33% when sTTI includes 2 symbols, DM-RS expenses work as sTTI bags for 50%
During containing 1 symbol, DM-RS expenses are 100%.As can be seen here, the problem of DM-RS expenses are more serious in short TTI.
The content of the invention
In view of this, the invention solves a technical problem be to provide a kind of transmission method of uplink reference signals,
Device and terminal.
According to an aspect of the present invention, there is provided a kind of transmission method of uplink reference signals, including：Pass through physical uplink
When shared channel PUSCH sends data, data are sent in units of Transmission Time Interval TTI in the time domain, wherein, described
Transmission data-signal and demodulated reference signal DM-RS in TTI；By the DM-RS in the TTI in a frequency domain according to Comb Pilot knot
Structure loads on sub-carriers, also, the TTI and adjacent TTI multiplexings DM-RS.
Alternatively, the DM-RS in the TTI is included on sub-carriers according to the loading of Comb Pilot structure in a frequency domain：
It will be carried in time domain at the DM-RS intervals of same time transmission on different subcarriers.
Alternatively, the TTI and adjacent TTI multiplexings DM-RS includes：If it is carried in adjacent on same subcarrier
2 TTI DM-RS is different, then 2 different DM-RS is multiplexed same symbol so as to transmit one in 2 adjacent TTI
Individual DM-RS, also, it is carried in different sons by being spaced in a frequency domain in 2 different DM-RS of same time transmission in time domain
On carrier wave.
Alternatively, the TTI is the sTTI of any amount during the total symbol weight of transmission is 1 to 7.
Alternatively, when total symbol quantity of the sTTI is 1, a data-signal or DM- are transmitted in the sTTI
RS, and the data-signal and DM-RS in time domain in same time transmission are carried on the subcarrier at interval.
Alternatively, when total symbolic number of the sTTI is 2,3 or 4, the sTTI has 1,2 or 3 data symbol respectively,
If the DM-RS for adjacent 2 sTTI being carried on same subcarrier is different, make 2 different DM-RS multiplexings same
Symbol, adjacent 2 sTTI data-signal are located at DM-RS both sides respectively in time domain so that adjacent 2 TTI transmission
One DM-RS, also, be spaced in a frequency domain in 2 different DM-RS of same time transmission in time domain and be carried in different sons
On carrier wave.
Alternatively, the quantity of the subcarrier includes：12,24.
According to another aspect of the present invention, there is provided a kind of transmitting device of uplink reference signals, including：Data send mould
Block, for by Physical Uplink Shared Channel PUSCH send data when, sent out in the time domain in units of Transmission Time Interval TTI
Data are sent, wherein, data-signal and demodulated reference signal DM-RS are transmitted in the TTI；Deta bearer module, for by institute
The DM-RS stated in TTI is loaded on sub-carriers according to Comb Pilot structure in a frequency domain, also, the TTI and adjacent TTI
It is multiplexed DM-RS.
Alternatively, the Deta bearer module, it is additionally operable to be carried at the DM-RS intervals of same time transmission in time domain
On different subcarriers.
Alternatively, the Deta bearer module, if adjacent 2 TTI for being additionally operable to be carried on same subcarrier
DM-RS is different, then 2 different DM-RS is multiplexed same symbol so that a DM-RS is transmitted in 2 adjacent TTI,
Also, it is carried in being spaced in a frequency domain in 2 different DM-RS of same time transmission in time domain on different subcarriers.
Alternatively, the TTI is the sTTI of any amount during the total symbol weight of transmission is 1 to 7.
Alternatively, the Deta bearer module, it is additionally operable to when total symbol quantity of the sTTI is 1, in the sTTI
One data-signal of interior transmission or DM-RS, and the data-signal and DM-RS in time domain in same time transmission are carried in interval
Subcarrier on.
Alternatively, the Deta bearer module, it is additionally operable to when total symbolic number of the sTTI is 2,3 or 4, the sTTI
There is 1,2 or 3 data symbol respectively, if the DM-RS for adjacent 2 sTTI being carried on same subcarrier is different, make 2
Individual different DM-RS is multiplexed same symbol, and adjacent 2 sTTI data-signal is located at the two of DM-RS respectively in time domain
Side so that 2 adjacent sTTI transmit a DM-RS, also, exist in time domain in 2 different DM-RS of same time transmission
Interval is carried on different subcarriers in frequency domain.
According to another aspect of the present invention, there is provided a kind of terminal, including：The transmission dress of uplink reference signals as described above
Put.
Transmission method, device and the terminal of the uplink reference signals of the present invention, pectinate texture is used by PUSCH DM-RS
On sub-carriers, different TTI DM-RS can be multiplexed, and can reduce uplink reference signals DM-RS in short TTI for loading
Expense, improve the utilization rate of resource.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
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
Some embodiments of the present invention, for those of ordinary skill in the art, without having to pay creative labor, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is uplink data channels PUSCH of the prior art and reference signal DM-RS mapping relations figure；
Fig. 2 is the schematic flow sheet according to one embodiment of the transmission method of the uplink reference signals of the present invention；
Fig. 3 is that short TTI includes 1 symbol in one embodiment according to the transmission method of the uplink reference signals of the present invention
When up PUSCH and DM-RS mapping relations figure；
Fig. 4 is that short TTI includes 2 symbols in one embodiment according to the transmission method of the uplink reference signals of the present invention
When up PUSCH and DM-RS mapping relations figure；
Fig. 5 is that short TTI includes 3 symbols in one embodiment according to the transmission method of the uplink reference signals of the present invention
When up PUSCH and DM-RS mapping relations figure；
Fig. 6 is that short TTI includes 4 symbols in one embodiment according to the transmission method of the uplink reference signals of the present invention
When up PUSCH and DM-RS mapping relations figure；
Fig. 7 is the module diagram according to one embodiment of the transmitting device of the uplink reference signals of the present invention.
Embodiment
The present invention is described more fully with reference to the accompanying drawings, wherein illustrating the exemplary embodiment of the present invention.Under
The accompanying drawing that face will be combined in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, and shows
So, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on the reality in the present invention
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is all belonged to
In the scope of protection of the invention.Many descriptions are carried out to technical scheme with reference to each figure and embodiment.
Fig. 2 is according to the schematic flow sheet of one embodiment of the transmission method of the uplink reference signals of the present invention, such as Fig. 2
It is shown：
Step 101, when sending data by PUSCH, data are sent in units of Transmission Time Interval TTI in the time domain,
Wherein, data-signal and demodulated reference signal DM-RS are transmitted in TTI.
PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel), which is used to carry, carrys out autobiography
Defeated channel PUSCH data, it is shared to refer to that same physical channel be used by multiple user time-sharings, in other words channel have compared with
The short duration.Because a user terminal can have a plurality of PUSCH parallel, these parallel PUSCH data can be
Physical layer carries out coded combination.TTI (Transmission Time Interval, Transmission Time Interval) refers in Radio Link
In an independent decoding transmission length, TTI is relevant with from higher Internet to the size of the data block of radio link layer.
Uplink reference signals are used for two purposes：1. uplink channel estimation, coherent demodulation and detection for eNodeB ends；
2. uplink signal-channel quality measures.Demodulated reference signal DM-RS can be associated with PUSCH and PUCCH transmission, as asking for letter
Channel estimation matrix, the two channels are helped to be demodulated.
Step 102, the DM-RS in TTI is loaded on sub-carriers according to Comb Pilot structure in a frequency domain, also, TTI
DM-RS is multiplexed with adjacent TTI.
OFDM technology, i.e. orthogonal frequency division multiplexi are used in LTE, serial data stream is changed into parallel data stream, and
These information are carried using different subcarriers.OFDM frequency domains have been categorized into the subcarrier of band frequency, subcarrier spacing
Usually 15kHz, it is believed that its frequency cycle is 15kHz.The quantity of subcarrier be 12,24 etc., by time domain
The same DM-RS of same time transmission is carried on the subcarrier at interval, and same DM-RS herein is to believe for same PUSCH
The demodulated reference signal in road.
The transmission method of uplink reference signals in above-described embodiment, PUSCH DM-RS is carried in using pectinate texture
On subcarrier, different PUSCH TTI DM-RS can be multiplexed, and can reduce DM-RS expense.
In one embodiment, if the DM-RS for adjacent 2 TTI being carried on same subcarrier is different, phase is made
Adjacent 2 TTI multiplexings DM-RS a so that DM-RS is transmitted in 2 adjacent TTI, makes 2 different DM-RS multiplexings same
One symbol, also, enter a subcarrier is spaced in a frequency domain in 2 different DM-RS of same time transmission in time domain
Row loading.TTI can be the sTTI of any amount during total symbol weight of transmission is 1 to 7.
Fig. 3 is that short TTI includes 1 symbol in one embodiment according to the transmission method of the uplink reference signals of the present invention
When up PUSCH and DM-RS mapping relations figure, as shown in Figure 3：When sTTI total symbol quantity is 1, passed in sTTI
Defeated a data-signal or DM-RS, and the data-signal and DM-RS in time domain in same time transmission are carried in the son at interval
On carrier wave.PUSCH and DM-RS uses pectinate texture, and DM-RS expense is 50%.
Fig. 4 is that short TTI includes 2 symbols in one embodiment according to the transmission method of the uplink reference signals of the present invention
When up PUSCH and DM-RS mapping relations figure, as shown in Figure 4：Have 2 PUSCH channels, respectively PUSCH1 and
PUSCH2, PUSCH1 demodulated reference signal are DM-RS1, and PUSCH2 demodulated reference signal is DM-RS2, PUSCH1 with
STTI1 is sends unit, and PUSCH2 is using sTTI2 as transmission unit.
When sTTI total symbolic number is 2, sTTI has 1 data symbol, if being carried in adjacent 2 on same subcarrier
Individual sTTI DM-RS is different, respectively DM-RS1 and DM-RS2, then 2 adjacent TTI is multiplexed DM-RS, make 2 it is different
DM-RS1 and DM-RS2 is multiplexed same symbol, and adjacent 2 PUSCH1 and PUSCH2 sTTI 1 data symbol is in time domain
The upper both sides for being located at DM-RS respectively so that 2 adjacent sTTI transmit a DM-RS, also, are passed in time domain in same time
Defeated DM-RS1 and DM-RS2 is spaced a subcarrier and loaded in a frequency domain.DM-RS1 and DM-RS2 uses pectination knot
Structure, DM-RS expenses are 33.3%.
Fig. 5 is that short TTI includes 3 symbols in one embodiment according to the transmission method of the uplink reference signals of the present invention
When up PUSCH and DM-RS mapping relations figure, as shown in Figure 5：Have 2 PUSCH channels, respectively PUSCH1 and
PUSCH2, PUSCH1 demodulated reference signal are DM-RS1, and PUSCH2 demodulated reference signal is DM-RS2, PUSCH1 with
STTI1 is sends unit, and PUSCH2 is using sTTI2 as transmission unit.
When sTTI total symbolic number is 3, PUSCH1 and PUSCH2 sTTI have 2 data symbols respectively, if loading
The DM-RS of adjacent 2 sTTI on same subcarrier is different, respectively DM-RS1 and DM-RS2, then makes adjacent 2
STTI is multiplexed DM-RS, 2 different DM-RS1 and DM-RS2 is multiplexed same symbol, adjacent 2 PUSCH1 and PUSCH2
STTI 2 data symbols be located at DM-RS both sides respectively in time domain so that adjacent 2 sTTI transmit a DM-
RS, also, be spaced a subcarrier in a frequency domain in the DM-RS1 and DM-RS2 of same time transmission in time domain and loaded.
DM-RS1 and DM-RS2 uses pectinate texture, and DM-RS expenses are 20%.
Fig. 6 is that short TTI includes 4 symbols in one embodiment according to the transmission method of the uplink reference signals of the present invention
When up PUSCH and DM-RS mapping relations figure, as shown in Figure 5：Have 2 PUSCH channels, respectively PUSCH1 and
PUSCH2, PUSCH1 demodulated reference signal are DM-RS1, and PUSCH2 demodulated reference signal is DM-RS2, PUSCH1 with
STTI1 is sends unit, and PUSCH2 is using sTTI2 as transmission unit.
When sTTI total symbolic number is 4, PUSCH1 and PUSCH2 sTTI have 3 data symbols, are carried in same son
The DM-RS of adjacent 2 PUSCH1 and PUSCH2 on carrier wave is different, respectively DM-RS1 and DM-RS2, then adjacent 2
PUSCH1 and PUSCH2 sTTI multiplexing DM-RS, make 2 different DM-RS1 and DM-RS2 be multiplexed adjacent 2 of same symbol
Individual PUSCH1 and PUSCH2 sTTI 3 data symbols are located at DM-RS both sides respectively in time domain so that adjacent 2
PUSCH1 and PUSCH2 sTTI transmits a DM-RS, also, exists in time domain in the DM-RS1 and DM-RS2 of same time transmission
A subcarrier is spaced in frequency domain to be loaded.DM-RS1 and DM-RS2 uses pectinate texture, and DM-RS expenses are 14.3%.
In one embodiment, as shown in fig. 7, the present invention provides a kind of transmitting device 70 of uplink reference signals, including：
Data transmission blocks 71 and data carrier module 72.Data transmission blocks 71 send number by Physical Uplink Shared Channel PUSCH
According to when, send data in units of Transmission Time Interval TTI in the time domain, wherein, in TTI transmit data-signal and demodulation join
Examine signal DM-RS.DM-RS in TTI is carried in subcarrier by Deta bearer module 72 according to Comb Pilot structure in a frequency domain
On, also, TTI and adjacent TTI multiplexings DM-RS.
Deta bearer module 72 will be carried on different subcarriers in time domain at the DM-RS intervals of same time transmission.
If the DM-RS for adjacent 2 TTI being carried on same subcarrier is different, Deta bearer module 72 makes adjacent 2
TTI is multiplexed DM-RS, 2 different DM-RS is multiplexed same symbol, so as to transmit a DM- in 2 adjacent TTI
RS, also, it is carried in different subcarriers by being spaced in a frequency domain in 2 different DM-RS of same time transmission in time domain
On.TTI is the sTTI of any amount during the total symbol weight of transmission is 1 to 7.
Deta bearer module 72 transmits a data-signal or DM- when sTTI total symbol quantity is 1 in sTTI
RS, and the data-signal and DM-RS in time domain in same time transmission are carried on the subcarrier at interval.Deta bearer module
72 when sTTI total symbolic number is 2,3 or 4, and sTTI has 1,2 or 3 data symbol respectively, if being carried in same subcarrier
On adjacent 2 sTTI DM-RS it is different, then 2 adjacent TTI is multiplexed DM-RS, make 2 different DM-RS multiplexings same
One symbol, adjacent 2 sTTI data symbol are located at DM-RS both sides respectively in time domain so that 2 adjacent TTI
A DM-RS is transmitted, also, is spaced in a frequency domain in 2 different DM-RS of same time transmission in time domain and is carried in difference
Subcarrier on.
In one embodiment, the present invention provides a kind of terminal, including：As above the transmitting device of uplink reference signals.
Transmission method, device and the terminal of uplink reference signals in above-described embodiment, by PUSCH DM-RS using comb
Shape structure is loaded on sub-carriers, and different TTI DM-RS can be multiplexed, and can reduce uplink reference signals in short TTI
DM-RS expense, improve the utilization rate of resource, there is provided higher data rate.
The method and system of the present invention may be achieved in many ways.For example, can by software, hardware, firmware or
Software, hardware, firmware any combinations come realize the present invention method and system.The said sequence of the step of for method is only
Order described in detail above is not limited in order to illustrate, the step of method of the invention, is especially said unless otherwise
It is bright.In addition, in certain embodiments, the present invention can be also embodied as recording program in the recording medium, these programs include
For realizing the machine readable instructions of the method according to the invention.Thus, the present invention also covering storage is used to perform according to this hair
The recording medium of the program of bright method.
Description of the invention provides for the sake of example and description, and is not exhaustively or by the present invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Select and retouch
State embodiment and be to more preferably illustrate the principle and practical application of the present invention, and one of ordinary skill in the art is managed
The present invention is solved so as to design the various embodiments with various modifications suitable for special-purpose.
Claims (14)
- A kind of 1. transmission method of uplink reference signals, it is characterised in that including：When sending data by Physical Uplink Shared Channel PUSCH, number is sent in units of Transmission Time Interval TTI in the time domain According to, wherein, data-signal and demodulated reference signal DM-RS are transmitted in the TTI；DM-RS in the TTI is loaded on sub-carriers according to Comb Pilot structure in a frequency domain, also, the TTI and phase Adjacent TTI multiplexings DM-RS.
- 2. the method as described in claim 1, it is characterised in that by the DM-RS in the TTI in a frequency domain according to Comb Pilot Structure loading includes on sub-carriers：It will be carried in time domain at the DM-RS intervals of same time transmission on different subcarriers.
- 3. method as claimed in claim 2, it is characterised in that the TTI includes with adjacent TTI multiplexings DM-RS：If the DM-RS for adjacent 2 TTI being carried on same subcarrier is different, make 2 different DM-RS multiplexings same One symbol so that in 2 adjacent TTI transmit a DM-RS, also, by time domain same time transmission 2 not Same DM-RS is spaced in a frequency domain to be carried on different subcarriers.
- 4. method as claimed in claim 3, it is characterised in that：The TTI is the sTTI of any amount during the total symbol weight of transmission is 1 to 7.
- 5. method as claimed in claim 4, it is characterised in that including：When total symbol quantity of the sTTI is 1, a data-signal or DM-RS are transmitted in the sTTI, and by time domain In same time transmission data-signal and DM-RS be carried on the subcarrier at interval.
- 6. method as claimed in claim 4, it is characterised in that including：When total symbolic number of the sTTI is 2,3 or 4, the sTTI has 1,2 or 3 data symbol respectively, if be carried in The DM-RS of adjacent 2 sTTI on same subcarrier is different, then 2 different DM-RS is multiplexed same symbol, adjacent 2 sTTI data-signal be located at DM-RS both sides respectively in time domain, adjacent 2 sTTI transmit a DM-RS, and And it is spaced and is carried on different subcarriers in a frequency domain in 2 different DM-RS of same time transmission in time domain.
- 7. the method as described in any one of claim 1 to 6, it is characterised in that：The quantity of the subcarrier includes：12,24.
- A kind of 8. transmitting device of uplink reference signals, it is characterised in that including：Data transmission blocks, for by Physical Uplink Shared Channel PUSCH send data when, in the time domain between transmission time It is that unit sends data every TTI, wherein, data-signal and demodulated reference signal DM-RS are transmitted in the TTI；Deta bearer module, for the DM-RS in the TTI to be carried in into subcarrier according to Comb Pilot structure in a frequency domain On, also, the TTI and adjacent TTI multiplexings DM-RS.
- 9. device as claimed in claim 8, it is characterised in that：The Deta bearer module, different sons will be carried in time domain at the DM-RS intervals of same time transmission by, which being additionally operable to, carries On ripple.
- 10. device as claimed in claim 8, it is characterised in that：The Deta bearer module, if the DM-RS for adjacent 2 TTI for being additionally operable to be carried on same subcarrier is different, 2 different DM-RS are made to be multiplexed same symbols so that transmit a DM-RS in 2 adjacent TTI, also, by time domain In be spaced be carried on different subcarriers in a frequency domain in 2 different DM-RS of same time transmission.
- 11. device as claimed in claim 10, it is characterised in that：The TTI is the sTTI of any amount during the total symbol weight of transmission is 1 to 7.
- 12. device as claimed in claim 11, it is characterised in that：The Deta bearer module, it is additionally operable to, when total symbol quantity of the sTTI is 1, a number be transmitted in the sTTI It is believed that number or DM-RS, and by time domain same time transmission data-signal and DM-RS be carried on the subcarrier at interval.
- 13. device as claimed in claim 11, it is characterised in that：The Deta bearer module, be additionally operable to when the sTTI total symbolic number be 2,3 or 4 when, the sTTI have respectively 1,2 or 3 data symbols, if the DM-RS for adjacent 2 sTTI being carried on same subcarrier is different, make 2 different DM- RS is multiplexed same symbol, and adjacent 2 sTTI data-signal is located at DM-RS both sides respectively in time domain, adjacent 2 STTI transmits a DM-RS, also, is spaced and is carried in a frequency domain in 2 different DM-RS of same time transmission in time domain On different subcarriers.
- A kind of 14. terminal, it is characterised in that including：The transmitting device of uplink reference signals as described in any one of claim 8 to 13.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610685115.8A CN107770866A (en) | 2016-08-18 | 2016-08-18 | A kind of transmission method of uplink reference signals, device and terminal |
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| CN201610685115.8A CN107770866A (en) | 2016-08-18 | 2016-08-18 | A kind of transmission method of uplink reference signals, device and terminal |
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Cited By (1)
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| WO2020048481A1 (en) * | 2018-09-07 | 2020-03-12 | 华为技术有限公司 | Communication method and apparatus |
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| WO2020048481A1 (en) * | 2018-09-07 | 2020-03-12 | 华为技术有限公司 | Communication method and apparatus |
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