CN107659530A - Data emitting method and equipment - Google Patents
Data emitting method and equipment Download PDFInfo
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- CN107659530A CN107659530A CN201710903195.4A CN201710903195A CN107659530A CN 107659530 A CN107659530 A CN 107659530A CN 201710903195 A CN201710903195 A CN 201710903195A CN 107659530 A CN107659530 A CN 107659530A
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- subchannel
- downlink data
- modulation
- data
- transmission power
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/36—Modulator circuits; Transmitter circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/143—Downlink power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention discloses a kind of data emitting method and equipment.Network side equipment in the downstream direction and/or user equipment data on sub-channel carry out orthogonal pulses amplitude modulation(PAM) in the upstream direction, data after being modulated, network side equipment sends descending silent instruction to adjacent cell simultaneously, notify the adjacent cell in the specified subchannel without data transfer, then network side equipment or user equipment use data after the larger transmission power transmitting modulation in the subchannel.Using the present invention, can lifting system signal to noise ratio.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of data emitting method and equipment.
Background technology
In current high-speed packet access (High Speed Packet Access, abbreviation HSPA), Long Term Evolution (Long
Term Evolution, abbreviation LTE) etc. in GSM, the quadrature amplitude modulation of 64 constellation points only up to be used
(Quadrature Amplitude Modulation, abbreviation QAM), i.e. 64-QAM.In these GSMs, it is impossible to
It is primarily due to be limited by following factor using higher order modulation (such as 256-QAM, 1024-QAM)：
1st, radio communication is easily influenceed by ambient noise, because mobile communication uses Small Section Mode, inter-cell interference etc. to limit
The Signal to Interference plus Noise Ratio of wireless signal (Signal to Interference plus Noise Ratio, abbreviation SINR), therefore nothing
The SINR of line communication system is generally relatively low, but requirement of the high order modulation to SINR is higher.
2nd, the non-linear factor of transmitting set is easily caused the mistake of higher order modulation (256-QAM, 1024-QAM etc.) waveform
Very, so as to limiting the application of higher order modulation.
3rd, wireless channel all exists in time-domain and frequency domain and significantly declined, if transmission data distributed when
Between or frequency or time/frequency source block granularity it is larger, then the average SINR of the subchannel is influenceed just larger by declining, and causes this
The SINR of subchannel is limited.
4th, the GSM such as HSPA, LTE uses adaptive coding modulation, i.e., according to link-quality dynamic select
It is adapted to current ink SINR modulation coding mode.Specifically, generally as receiving terminal to Radio Link used in transmitting terminal
The link quality parameter such as SINR (being referred to as CQI (Channel Quality Indicator, channel quality instruction)) surveyed
Amount, and transmitting terminal is fed back to, then the modulation coding mode for selecting to meet the CQI conditions by transmitting terminal is used for data transfer.If
The Transmission Time Interval (Transport Time Interval, abbreviation TTI) of radio open is longer, then the delay of CQI feedback compared with
Greatly, this will cause CQI of the actual link-quality compared with feedback to be varied widely, due to high-orders such as 256-QAM, 1024-QAM
Modulate that very high to SINR demand and transmission data block is very big, the cost retransmitted during SINR change errors of transmission is also higher, because
This is easier to be postponed to be influenceed with channel variation by CQI feedback.
With technologies such as active antenna system (Adaptive Antenna System, abbreviation AAS), digital pre-distortions
Using, transmitting set it is non-linear caused by the high order modulation wave distortion such as 256-QAM, 1024-QAM the problem of progressively obtain
It is effective to solve.Wherein, AAS carries out digital beam shaping synthesis high power using multiple low-power array elements, because low-power is put
Big non-linear distortion is very small, therefore reduces the influence for the non-linear distortion directly brought using high power power amplifier.Exist in addition
In the 3.5G/4G systems such as LTE, the granularity of running time-frequency resource division is very small, if the basic subchannel in LTE is that time span is
0.5ms, band width is 180KHz time frequency unit, and the TTI in LTE is 1ms, and CQI feedback delay is also sufficiently small, remote small
In the coherence time of channel.Therefore, in the 3.5G/4G systems such as LTE, influence using high order modulations such as 256-QAM, 1024-QAM
Principal element be the problem of SINR is relatively low.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is, there is provided a kind of data emitting method and equipment, can improve
The SINR of wireless communication system.
On the one hand, the embodiments of the invention provide a kind of downlink data launching technique, including：
Downlink data on sub-channel carries out orthogonal pulses amplitude modulation(PAM), downlink data after being modulated；
Descending silent instruction is sent to adjacent cell, notifies the adjacent cell in the subchannel without lower line number
According to transmission；
Downlink data after the first transmission power transmitting modulation, first transmission power are used in the subchannel
More than the average emitted power of this cell.
The embodiment of the present invention additionally provides a kind of downlink data launching technique, including：
Downlink data on sub-channel carries out orthogonal pulses amplitude modulation(PAM), downlink data after being modulated；
The angle of declination of transmitting antenna is increased into 5-10 degree；
The transmitting antenna increased using angle of declination, after launching the modulation using the 3rd transmission power in the subchannel
Downlink data, the 3rd transmission power are more than the average emitted power of this cell.
On the other hand, the embodiment of the present invention additionally provides a kind of upstream data launching technique, including：
The dispatch command of the network side equipment from this cell is received, the dispatch command includes subchannel information, and logical
Cross the network side equipment and send descending silent instruction to adjacent cell, notify the adjacent cell scheduling user's set not in institute
State and transmitting uplink data is carried out in subchannel；
Orthogonal pulses amplitude modulation(PAM), upstream data after being modulated are carried out to the upstream data in the subchannel；
Upstream data after the 4th transmission power transmitting modulation, the 4th transmission power are used in the subchannel
More than the average emitted power of user equipment.
On the other hand, the embodiment of the present invention additionally provides a kind of network side equipment, including：
Modulation module, the downlink data on sub-channel carries out orthogonal pulses amplitude modulation(PAM), descending after being modulated
Data；
Sending module, for sending descending silent instruction to adjacent cell, notify the adjacent cell in the subchannel
On without downlink data transmission；It is and descending after the modulation for using the first transmission power to launch in the subchannel
Data, first transmission power are more than the average emitted power of this cell.
The embodiment of the present invention additionally provides a kind of network side equipment, including：
Modulation module, the downlink data on sub-channel carries out orthogonal pulses amplitude modulation(PAM), descending after being modulated
Data；
Antenna adjustments module, for the angle of declination of transmitting antenna to be increased into 5-10 degree；
Sending module, for the transmitting antenna increased using angle of declination, the 3rd transmission power is used in the subchannel
Launch downlink data after the modulation, the 3rd transmission power is more than the average emitted power of this cell.
On the other hand, the embodiment of the present invention additionally provides a kind of user equipment, including：
Receiving module, for receiving the dispatch command of the network side equipment from this cell, the dispatch command includes son
Channel information, and descending silent instruction is sent to adjacent cell by the network side equipment, notify the adjacent cell to dispatch
User equipment does not carry out transmitting uplink data in the subchannel；
Modulation module, for carrying out orthogonal pulses amplitude modulation(PAM) to the upstream data in the subchannel, after obtaining modulation
Upstream data；
Transmitter module, for using upstream data after the 4th transmission power transmitting modulation, institute in the subchannel
State the average emitted power that the 4th transmission power is more than user equipment.
Implement the embodiment of the present invention, have the advantages that：By increasing the transmission power in subchannel, notify simultaneously
Adjacent cell, without data transfer, or increases the angle of declination of transmitting antenna simultaneously in above-mentioned subchannel, can be effectively
Reduce inter-cell interference, improve the signal to noise ratio SINR of wireless communication system.
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 this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the first embodiment flow chart of downlink data launching technique provided by the invention；
Fig. 2 is the schematic diagram that certain cell increases transmission power in special time period；
Fig. 3 is the second embodiment flow chart of downlink data launching technique provided by the invention；
Fig. 4 is the 3rd embodiment flow chart of downlink data launching technique provided by the invention；
Fig. 5 is the schematic diagram for the angle of declination that certain cell increases transmitting antenna during high power pulse；
Fig. 6 is the first embodiment structural representation of network side equipment provided by the invention；
Fig. 7 is the second embodiment structural representation of network side equipment provided by the invention；
Fig. 8 is the 3rd embodiment structural representation of network side equipment provided by the invention；
Fig. 9 is the first embodiment flow chart of upstream data launching technique provided by the invention；
Figure 10 is the first embodiment structural representation of user equipment provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1 is referred to, is the first embodiment flow chart of downlink data launching technique provided by the invention, including：
Downlink data on S100, sub-channel carries out orthogonal pulses amplitude modulation(PAM), downlink data after being modulated.When adopting
When launching the downlink data with Time division duplex, subchannel is the period, i.e. step S100 includes：To in specified time section
Downlink data carry out orthogonal pulses amplitude modulation(PAM).When launching the downlink data using frequency division duplex technology, subchannel is
Time/frequency source block, i.e. step S100 include：To specifying the downlink data in time/frequency source block to carry out orthogonal pulses amplitude modulation(PAM).Son
Channel can be fixed setting or network side equipment dynamically distributes.
S101, to adjacent cell send it is descending it is silent instruct, notify the adjacent cell in the subchannel without
Downlink data transmission.Silent instruction can be sent to adjacent cell by high-level signaling, wherein silent instruction is believed comprising subchannel
Breath.By sending silent instruction to adjacent cell, adjacent cell can be made (such as in the period specified or to refer on sub-channels
In fixed time/frequency source block) be in silent status, i.e., without using the subchannel (such as period for specifying or it is specified when frequency provide
Source block) carry out downlink data transmission.
S102, downlink data after the first transmission power transmitting modulation, first hair are used in the subchannel
Penetrate the average emitted power that power is more than this cell.Specifically, when dividing duplex technology when employed, step S102 includes：Referring to
The first transmission power of interior use of fixing time launches downlink data after the modulation.When using frequency division duplex technology, step S102
Including：Downlink data after the first transmission power transmitting modulation is used in specified time/frequency source block.Wherein, the first transmitting work(
Rate determines according to the ability of transmitting terminal, typically much deeper than the average emitted power of transmitting terminal, such as the first transmission power can be with
It is ten times of average emitted power.
Downlink data launching technique provided in an embodiment of the present invention, by increasing the transmission power in subchannel, lead to simultaneously
Know adjacent cell in above-mentioned subchannel without data transfer, to transmitting downlink data using the subchannel in this cell
User, the receiving power of useful signal increases and the interference reduction from adjacent cell, therefore can effectively reduce minizone
Interference, obtain higher SINR.
In the step s 100, existing low order QAM, such as 16-QAM, 64- can be carried out with the downlink data on sub-channel
QAM etc., it so can only improve the SINR of communication system.But at present the SINR of communication system be just enough to support 16-QAM,
The low order such as 64-QAM QAM, it is not necessary that SINR is increased by scheme provided by the invention.Only when needing to enter downlink data
During row high-order QAM (such as 256-QAM, 1024-QAM etc.), just it is necessary to increase SINR using scheme provided by the invention.
That is in actual applications, the QAM carried out in step S100 to the downlink data in some subchannels is high-order QAM, wherein
High-order QAM includes the QAM that constellation point is more than or equal to 256, such as 256-QAM, 1024-QAM etc..Should in wireless cellular system
With high order modulations such as 256-QAM, 1024-QAM, communication efficiency, lifting system capacity can be improved.
In time division duplex (Time Division Duplexing, abbreviation TDD) system, network side equipment is specified
Period (such as pre-set by network side equipment or the period of dynamically distributes) increases transmission power (i.e. using the first transmitting
Power).As shown in Fig. 2 it is the schematic diagram that certain cell increases transmission power in special time period.The average emitted work(of the cell
Rate is P1, but within some periods can by transmitting power promotion to higher level, correspond to respectively power for P21, P22,
P23.Specifically, the portfolio of the different districts in a region is possible and unbalanced, and the portfolio of each cell of different periods has
Height has low, and sometime, larger peak value occurs in the portfolio of some cell, such as the customer volume in the cell coverage area
And/or larger growth occurs in the portfolio of user, and the traffic needs of the adjacent cell customer volume of the cell and/or user are simultaneously
Less, the cell is at this moment needed to provide larger peaking capacity to alleviate the traffic congestion situation of the cell.Therefore, it can answer
With the above embodiment of the present invention, i.e., using the transmitting power promotion mode shown in Fig. 2, and transmitting power promotion be P21,
Period corresponding to P22, P23 allows the cell neighbor cell to be in silent status, i.e., user is dispatched within these periods and is not entered
Row data transfer.This method can cause the transmission power increase that whole cell is total in special time period, higher so as to provide
SINR.But this method can increase the burden of transmitting terminal, the requirement to RF power amplification is higher, and Project Realization cost is higher.
In FDD (Frequency Division Duplexing, abbreviation FDD) system, network side equipment is referring to
Fixed time/frequency source block (such as by network side equipment pre-set or the time/frequency source block of dynamically distributes) on increase transmission power
(i.e. using the first transmission power), average emitted power is kept in other time/frequency source blocks, it is total to will also result in whole cell
Transmission power increase, and then increase the burden of transmitting terminal., can be in other time-frequencies in FDD system in order to solve whole problem
Less transmission power (i.e. the second transmission power) is distributed on resource block, so as to which the transmission power for keeping cell total is constant or only
Increase more by a small margin, so requirement to transmitting terminal RF power amplification is relatively low, it is easier to Project Realization.The embodiment will be with reference to figure 2
It is described in detail.
Fig. 3 is referred to, is the second embodiment flow chart of downlink data launching technique provided by the invention, including：
S300, high-order orthogonal pulse amplitude modulation is carried out to the downlink data in specified time/frequency source block, obtain high contrast
Downlink data after system, low order orthogonal pulses amplitude modulation(PAM) is carried out to the downlink data in other time/frequency source blocks, obtain low order tune
Downlink data after system.Wherein, low order orthogonal pulses amplitude modulation(PAM) includes orthogonal pulses amplitude tune of the constellation point less than or equal to 64
System, such as 16-QAM and 64-QAM.
S301, to adjacent cell send it is descending it is silent instruct, notify the adjacent cell in the specified time/frequency source block
On without downlink data transmission.
S302, lower line number after the first transmission power transmitting high order modulation is used in the specified time/frequency source block
According to first transmission power is more than the average emitted power of this cell, and the second hair is used in other time/frequency source blocks
Downlink data after low-order-modulated described in power emission is penetrated, second transmission power is no more than the average emitted power of this cell.
Preferably, in the embodiment shown in Fig. 1 and 3, the present invention can also include：When using the in the subchannel
After the one transmission power transmitting modulation during downlink data, the angle of declination of transmitting antenna is increased into 5-10 degree.Launched by increasing
The angle of declination of antenna, the first transmission power can be reduced as far as possible and be disturbed to caused by adjacent cell.
It should be noted that in the embodiment above, although increasing transmission power on special time or specific time frequency block
The signal of the cell within the period or time frequency block can be caused to travel to adjacent cell, but because adjacent cell is in this time
Silent status is in section or time frequency block, i.e., without using the period or time/frequency source block, therefore adjacent cell will not be led to
Letter has an impact.Meanwhile cell-breathing techniques also can dynamically increase transmission power in the prior art, but in cell-breathing techniques
The purpose for increasing transmission power is to lift the covering of the cell, i.e., with the increase of the transmission power cell coverage area also simultaneously
Expand；And in the present invention, the coverage of the cell does not change, i.e., is still only user's clothes in the cell coverage area
Business, although due to the transmission power increase in the special time or time frequency block, cause the user of the cell neighbor cell at this
The transmission signal of the cell can be received in time or time frequency block, but these users do not establish communication link with the cell.
Therefore it is entirely different using the purpose and prior art of increase transmission power in the present invention.
Fig. 4 is referred to, is the 3rd embodiment flow chart of downlink data launching technique provided in an embodiment of the present invention, is wrapped
Include：
Downlink data on S400, sub-channel carries out orthogonal pulses amplitude modulation(PAM), downlink data after being modulated.When adopting
When launching the downlink data with Time division duplex, subchannel is the period, i.e. step S400 includes：To in specified time section
Downlink data carry out orthogonal pulses amplitude modulation(PAM).When launching the downlink data using frequency division duplex technology, subchannel is
Time/frequency source block, i.e. step S400 include：To specifying the downlink data in time/frequency source block to carry out orthogonal pulses amplitude modulation(PAM).Son
Channel can be fixed setting or network side equipment dynamically distributes.
S401, the angle of declination increase 5-10 degree by transmitting antenna.Wherein, the angle of declination of transmitting antenna refer to transmitting antenna with
Angle between horizontal line.Specifically, day is launched as shown in figure 5, according to parameters such as antenna configuration, cell configurations, when will be normal
The angle of declination P1 of line is increased to transmitting antenna angle of declination P2 during high power transmission, and usual amplification is 5-10 degree, sends out high power
The angle of declination of transmitting antenna reaches 10-20 degree when penetrating.For example, AAS (Adaptive Antenna can be utilized
System, abbreviation AAS) adjust the angle of declination of transmitting antenna.
S402, the transmitting antenna increased using angle of declination, using described in the transmitting of the 3rd transmission power in the subchannel
Downlink data after modulation, the 3rd transmission power are more than the average emitted power of this cell.Specifically, duplex is divided when employed
During technology, step S402 includes：The transmitting antenna increased using angle of declination, at the appointed time sent out in section using the 3rd transmission power
Penetrate downlink data after the modulation.When using frequency division duplex technology, step S402 includes：The transmitting day increased using angle of declination
Line, downlink data after the 3rd transmission power transmitting modulation is used in specified time/frequency source block.Wherein, the 3rd transmission power
Determined according to the ability of transmitting terminal, typically much deeper than the average emitted power of transmitting terminal, such as larger transmission power can be
Ten times of average emitted power.
Downlink data launching technique provided in an embodiment of the present invention, by increasing the transmission power in subchannel, increases simultaneously
The angle of declination of big transmitting antenna, keeps original cell structure constant, and will not cause strong jamming to adjacent cell, to this cell
Interior (especially center of housing estate) transmits using the subchannel user of downlink data, the receiving power increase of useful signal, because
This can effectively reduce inter-cell interference, obtain higher SINR.
In step S400, existing low order QAM, such as 16-QAM, 64- can be carried out with the downlink data on sub-channel
QAM etc., it so can only improve the SINR of communication system.But at present the SINR of communication system be just enough to support 16-QAM,
The low order such as 64-QAM QAM, it is not necessary that SINR is increased by scheme provided by the invention.Only when needing to enter downlink data
During row high-order QAM (such as 256-QAM, 1024-QAM etc.), just it is necessary to increase SINR using scheme provided by the invention.
That is in actual applications, the QAM carried out in step S400 to the downlink data in some subchannels specified is high-order
QAM, wherein high-order QAM include the QAM that constellation point is more than or equal to 256, such as 256-QAM, 1024-QAM etc..In radio honeycomb
Using high order modulations such as 256-QAM, 1024-QAM in system, communication efficiency, lifting system capacity can be improved.
In a tdd system, at the appointed time section increases transmission power (i.e. using the 3rd transmission power) to network side equipment, and
Increase the angle of declination of transmitting antenna in the specified time section using AAS, section recovers normal angle of declination at other times, so
It can avoid causing strong jamming to adjacent cell in high emission power.
In FDD system, network side equipment increases transmission power (i.e. using the 3rd transmitting work(on time/frequency source block is specified
Rate), average emitted power is kept in other time/frequency source blocks or reduces transmission power, while increases having a down dip for transmitting antenna
Angle.In actually implementing, due to the angle of declination of transmitting antenna can only be increased in some period now, therefore it can not specify
Individually implement in time/frequency source block, but under must being launched using the transmitting antenna of increase angle of declination on all running time-frequency resources
Row data, data receiver of the Cell Edge User in other time/frequency source blocks may so be impacted, therefore this
Embodiment is of little use in FDD system.
Fig. 6 is referred to, is the structural representation of network side equipment 600 provided by the invention, network side equipment 600 includes：
Modulation module 610, downlink data on sub-channel carry out orthogonal pulses amplitude modulation(PAM), after being modulated under
Row data.When dividing the duplex technology transmitting downlink data when employed, subchannel is the period, i.e., descending QAM modules 610 are used
Downlink data within to specified time carries out orthogonal pulses amplitude modulation(PAM).When using the frequency division duplex technology transmitting lower line number
According to when, subchannel is time/frequency source block, i.e., descending QAM modules 610 be used for specify time/frequency source block in downlink data carry out
Orthogonal pulses amplitude modulation(PAM).Subchannel can be fixed setting or network side equipment dynamically distributes.
Sending module 620, for sending descending silent instruction to adjacent cell, notify the adjacent cell in the sub- letter
Without downlink data transmission on road；And for being used in the subchannel under the first transmission power launches after the modulation
Row data, first transmission power are more than the average emitted power of this cell.Sending module 620 can by high-level signaling to
Adjacent cell sends silent instruction, wherein silent instruction includes subchannel information., can by sending silent instruction to adjacent cell
So that (such as in specified time section or in specified time/frequency source block) is in silent status on sub-channels for adjacent cell, i.e., do not make
Downlink data transmission is carried out with the subchannel (such as specified time section or specified time/frequency source block).Specifically, divide when employed
During duplex technology, sending module 620 is used at the appointed time section using lower line number after the first transmission power transmitting modulation
According to.When using frequency division duplex technology, sending module 620 is used to specify in time/frequency source block using the transmitting of the first transmission power
Downlink data after the modulation.Wherein, the first transmission power determines according to the ability of transmitting terminal, typically much deeper than transmitting terminal
Average emitted power, such as the first transmission power can be ten times of average emitted power.
Network side equipment provided in an embodiment of the present invention, by increasing the transmission power in subchannel, while notify neighbouring
Cell in above-mentioned subchannel without data transfer, the user to transmitting downlink data in this cell using the subchannel,
The receiving power of useful signal increases and the interference reduction from adjacent cell, therefore can effectively reduce inter-cell interference,
Obtain higher SINR.
Fig. 7 is referred to, is the structural representation of network side equipment 700 provided by the invention, network side equipment 700 includes：
Modulation module 710, for carrying out high-order orthogonal pulse amplitude modulation to the downlink data in specified time/frequency source block,
Downlink data after high order modulation is obtained, low order orthogonal pulses amplitude modulation(PAM) is carried out to the downlink data in other time/frequency source blocks,
Obtain downlink data after low-order-modulated.Wherein, it is orthogonal less than or equal to 64 to include constellation point for low order orthogonal pulses amplitude modulation(PAM)
Pulse amplitude modulation, such as 16-QAM and 64-QAM.
Sending module 720, for sending descending silent instruction to adjacent cell, the adjacent cell is notified to be specified described
Without downlink data transmission in time/frequency source block；And for using the first transmission power in the specified time/frequency source block
Launch downlink data after the high order modulation, first transmission power is more than the average emitted power of this cell, it is described its
Do not surpassed using downlink data after the second transmission power transmitting low-order-modulated, second transmission power in its time/frequency source block
Cross the average emitted power of this cell.
Preferably, in the embodiment shown in Fig. 6 and 7, network side equipment can also include：Antenna adjustments module, is used for
When the sending module 620 or 720 is in downlink data after using the first transmission power to launch the modulation in the subchannel,
The angle of declination of transmitting antenna is increased into 5-10 degree.By increasing the angle of declination of transmitting antenna, larger transmitting work(can be reduced as far as possible
Rate is disturbed to caused by adjacent cell.
Fig. 8 is referred to, is the structural representation of network side equipment 800 provided in an embodiment of the present invention, network side equipment 800
Including：
Modulation module 810, downlink data on sub-channel carry out orthogonal pulses amplitude modulation(PAM), after being modulated under
Row data.When dividing the duplex technology transmitting downlink data when employed, subchannel is the period, that is, modulates 810 and be used for referring to
The downlink data fixed time in section carries out orthogonal pulses amplitude modulation(PAM).When using the frequency division duplex technology transmitting downlink data
When, subchannel is time/frequency source block, i.e., modulation module 810 is used for specifying the downlink data in time/frequency source block to carry out orthogonal arteries and veins
Rush amplitude modulation(PAM).Subchannel can be fixed setting or network side equipment dynamically distributes.
Antenna adjustments module 820, for the angle of declination of transmitting antenna to be increased into 5-10 degree.Wherein, transmitting antenna has a down dip
Angle refers to the angle between transmitting antenna and horizontal line.Specifically, as shown in figure 5, antenna adjustments module 820 is matched somebody with somebody according to antenna
Put, the parameter such as cell configuration, the transmitting antenna when angle of declination P1 of transmitting antenna is increased to high power transmission when will be normal has a down dip
Angle P2, usual amplification are 5-10 degree, the angle of declination of transmitting antenna during high power transmission is reached 10-20 degree.For example, downlink
Antenna adjustments module 820 can adjust the angle of declination of transmitting antenna using AAS.
Sending module 830, for the transmitting antenna increased using angle of declination, the 3rd transmitting work(is used in the subchannel
Rate launches downlink data after the modulation, and the 3rd transmission power is more than the average emitted power of this cell.Specifically, when adopting
During with Time division duplex, sending module 830 is used for the transmitting antenna increased using angle of declination, and the is at the appointed time used in section
Three transmission powers launch downlink data after the modulation.When using frequency division duplex technology, sending module 830 has a down dip for use
The transmitting antenna of angle increase, downlink data after the 3rd transmission power transmitting modulation is used in specified time/frequency source block.Its
In, the 3rd transmission power determines according to the ability of transmitting terminal, the typically much deeper than average emitted power of transmitting terminal, such as the 3rd
Transmission power can be ten times of average emitted power.
Network side equipment provided in an embodiment of the present invention, by increasing the transmission power in subchannel, while increase transmitting
The angle of declination of antenna, keep original cell structure constant, and strong jamming will not be caused to adjacent cell, to (outstanding in this cell
Its center of housing estate) transmit the user of downlink data using the subchannel, the receiving power increase of useful signal, therefore can be with
Effectively reduce inter-cell interference, obtain higher SINR.
What above example described is all the downlink data launching technique of network side equipment and its execution, in the downstream direction
When performing above method, it can still carry out data transmission in the upstream direction by mode of the prior art.In addition, can be with
By downlink data launching technique application described above in the upstream direction, by the scheduled user equipment in cell
(User Equipment, abbreviation UE) is performed.
Fig. 9 is referred to, is the first embodiment flow chart of upstream data launching technique provided by the invention, including：
S900, the dispatch command for receiving the network side equipment from this cell, the dispatch command include subchannel information,
And descending silent instruction is sent to adjacent cell by the network side equipment, notify the adjacent cell scheduling user's set not
Transmitting uplink data is carried out in the subchannel.The network side equipment can be quiet to adjacent cell transmission by high-level signaling
Silent instruction, wherein silent instruction includes subchannel information.By sending silent instruction to adjacent cell, can make in adjacent cell
(such as in specified time section or in specified time/frequency source block) is in silent status to scheduled UE on sub-channels, i.e., without using
The subchannel (such as specified time section or specified time/frequency source block) carries out transmitting uplink data.
S901, orthogonal pulses amplitude modulation(PAM), upstream data after being modulated are carried out to the upstream data in the subchannel.
When dividing the duplex technology transmitting upstream data when employed, subchannel is the period, i.e. step S901 includes：To specified time
Interior upstream data carries out orthogonal pulses amplitude modulation(PAM).When launching the upstream data using frequency division duplex technology, subchannel
It is time/frequency source block, i.e. step S901 includes：To specifying the upstream data in time/frequency source block to carry out orthogonal pulses amplitude modulation(PAM).
Subchannel can be fixed setting or network side equipment dynamically distributes.
S902, upstream data after the 4th transmission power transmitting modulation, the 4th hair are used in the subchannel
Penetrate the average emitted power that power is more than user equipment.Specifically, when dividing duplex technology when employed, step S902 includes：
Upstream data after the 4th transmission power transmitting modulation is used in specified time section.When using frequency division duplex technology, step
S902 includes：Upstream data after the 4th transmission power transmitting modulation is used in specified time/frequency source block.Wherein, the 4th hair
Penetrate power to be determined according to the ability of transmitting terminal, the typically much deeper than average emitted power of transmitting terminal, such as the 4th transmission power
Can be ten times of average emitted power.
Upstream data launching technique provided in an embodiment of the present invention, by increasing the transmission power in subchannel, lead to simultaneously
Cross network side equipment notice adjacent cell scheduling UE in above-mentioned subchannel not carry out data transmission, the network side of this cell is set
Standby, the receiving power of useful signal increases and the interference reduction from adjacent cell, therefore can effectively reduce minizone and do
Disturb, obtain higher SINR.
In step S901, existing low order QAM, such as 16-QAM, 64- can be carried out with the upstream data on sub-channel
QAM etc., it so can only improve the SINR of communication system.But at present the SINR of communication system be just enough to support 16-QAM,
The low order such as 64-QAM QAM, it is not necessary that SINR is increased by scheme provided by the invention.Only when needing to enter upstream data
During row high-order QAM (such as 256-QAM, 1024-QAM etc.), just it is necessary to increase SINR using scheme provided by the invention.
That is in actual applications, the QAM that the upstream data in step S901 on sub-channel is carried out is high-order QAM, wherein high-order
QAM includes the QAM that constellation point is more than or equal to 256, such as 256-QAM, 1024-QAM etc..Applied in wireless cellular system
The high order modulations such as 256-QAM, 1024-QAM, communication efficiency, lifting system capacity can be improved.
Certainly, it will be understood by those skilled in the art that network side equipment is dispatching a certain UE or some UE in some sons specified
While carrying out high order modulation to upstream data on channel, other UE can also be dispatched upstream data is entered in other subchannels
Row low-order-modulated, the UE for carrying out low-order-modulated, its transmission power is constant or is decreased slightly as.
Figure 10 is referred to, is the structural representation of user equipment 1000 provided by the invention, user equipment 1000 includes：
Receiving module 1010, for receiving the dispatch command of the network side equipment from this cell, the dispatch command bag
Enclosed tool channel information, and descending silent instruction is sent to adjacent cell by the network side equipment, notify the adjacent cell
Scheduling user's set does not carry out transmitting uplink data in the subchannel.The network side equipment can by high-level signaling to
Adjacent cell sends silent instruction, wherein silent instruction includes subchannel information., can by sending silent instruction to adjacent cell
So that (such as in specified time section or in specified time/frequency source block) is in quiet to the UE being scheduled in adjacent cell on sub-channels
Silent state, i.e., carry out transmitting uplink data without using the subchannel (such as specified time section or specified time/frequency source block).
Modulation module 1020, for carrying out orthogonal pulses amplitude modulation(PAM) to the upstream data in the subchannel, adjusted
Upstream data after system.When dividing the duplex technology transmitting upstream data when employed, subchannel is the period, i.e. modulation module
1020 are used to carry out orthogonal pulses amplitude modulation(PAM) to the upstream data in specified time section.When using frequency division duplex technology transmitting institute
When stating upstream data, subchannel is time/frequency source block, i.e., modulation module 1020 is used for specifying the upper line number in time/frequency source block
According to progress orthogonal pulses amplitude modulation(PAM).Subchannel can be fixed setting or network side equipment dynamically distributes.
Transmitter module 1030, for using the 4th transmission power to launch line number on after the modulation in the subchannel
According to the 4th transmission power is more than the average emitted power of user equipment.Specifically, when dividing duplex technology when employed, hair
Module 1030 is penetrated to be used for：Upstream data after the 4th transmission power transmitting modulation is at the appointed time used in section.When using frequency
When dividing duplex technology, transmitter module 1030 is used for：Launch the modulation using the 4th transmission power specifying in time/frequency source block
Upstream data afterwards.Wherein, the 4th transmission power determines according to the ability of transmitting terminal, typically much deeper than the average emitted of transmitting terminal
Power, such as the 4th transmission power can be ten times of average emitted power.
User equipment provided in an embodiment of the present invention, by increasing the transmission power in subchannel, while pass through network side
Equipment notice adjacent cell scheduling UE does not carry out data transmission on sub-channels, useful to network side equipment corresponding to this cell
The receiving power of signal increases and the interference reduction from adjacent cell, therefore can effectively reduce inter-cell interference, obtains
Higher SINR.
When performing UE and its upstream data launching technique described above in the upstream direction, still may be used in the downstream direction
Carry out data transmission by method of the prior art.
It is, of course, also possible to the embodiment of the present invention is all applied in up direction and down direction.For example, can be in up side
To real in identical special time period or in time/frequency source block with the down direction synchronization implementation present invention, i.e. uplink and downlink direction
Apply；Can also be in the asynchronous implementation present invention of up direction and down direction, i.e., uplink and downlink direction is in respective special time period
Or implement in time/frequency source block.In addition, on uplink and downlink direction, different embodiments provided by the invention can also be performed respectively,
Such as increase transmission power in the upstream direction and notice adjacent cell is silent, while increase in the downstream direction transmission power and
Increase the angle of declination of transmitting antenna.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above disclosed power for being only a kind of preferred embodiment of the present invention, the present invention can not being limited with this certainly
Sharp scope, one of ordinary skill in the art will appreciate that realizing all or part of flow of above-described embodiment, and weighed according to the present invention
Profit requires made equivalent variations, still falls within and invents covered scope.
Claims (18)
- A kind of 1. downlink data launching technique, it is characterised in that including：Downlink data on sub-channel carries out high-order orthogonal pulse amplitude modulation, downlink data after being modulated, wherein, when adopting When launching the downlink data with Time division duplex, the subchannel is the period, when using frequency division duplex technology transmitting institute When stating downlink data, the subchannel is time/frequency source block；Descending silent instruction is sent to adjacent cell, notifies the adjacent cell to be passed in the subchannel without downlink data It is defeated；Launch downlink data after the modulation in the subchannel.
- 2. the method as described in claim 1, it is characterised in that the lower line number after launching the modulation in the subchannel According to launch downlink data after the modulation using the first transmission power in the subchannel, first transmission power is big In the average emitted power of this cell.
- 3. the method as described in claim 1, it is characterised in that the high-order orthogonal pulse amplitude modulation is more than including constellation point Or the orthogonal pulses amplitude modulation(PAM) equal to 256.
- 4. the method as described in claim 1, it is characterised in that when launching the downlink data using frequency division duplex technology, Methods described also includes：Low order orthogonal pulses amplitude modulation(PAM) is carried out to the downlink data in other time/frequency source blocks, obtains lower line number after low-order-modulated According to the low order orthogonal pulses amplitude modulation(PAM) includes the orthogonal pulses amplitude modulation(PAM) that sampling point is less than or equal to 64；Launch downlink data after the low-order-modulated in other time/frequency source blocks.
- 5. method as claimed in claim 4, it is characterised in that described to launch the low order in other time/frequency source blocks Downlink data is after modulation, using descending after the second transmission power transmitting low-order-modulated in other time/frequency source blocks Data, second transmission power are no more than the average emitted power of this cell.
- 6. such as the method any one of claim 1-5, it is characterised in that methods described also includes：When in downlink data after launching the modulation in the subchannel, the angle of declination of transmitting antenna is increased into 5-10 degree.
- A kind of 7. upstream data launching technique, it is characterised in that including：The dispatch command of the network side equipment from this cell is received, the dispatch command includes subchannel information, and passes through institute State network side equipment and send descending silent instruction to adjacent cell, notify the adjacent cell scheduling user's set not in the son Transmitting uplink data is carried out on channel, wherein, when dividing the duplex technology transmitting upstream data when employed, the subchannel is Period；When launching the upstream data using frequency division duplex technology, the subchannel is time/frequency source block；High-order orthogonal pulse amplitude modulation, upstream data after being modulated are carried out to the upstream data in the subchannel；Launch upstream data after the modulation in the subchannel.
- 8. method as claimed in claim 7, it is characterised in that described to launch line number on after the modulation in the subchannel According to launch upstream data after the modulation using the 4th transmission power in the subchannel, the 4th transmission power is big In the average emitted power of user equipment.
- 9. method as claimed in claim 7 or 8, it is characterised in that the high-order orthogonal pulse amplitude modulation includes constellation point Orthogonal pulses amplitude modulation(PAM) more than or equal to 256.
- A kind of 10. network side equipment, it is characterised in that including：Modulation module, the downlink data on sub-channel carries out high-order orthogonal pulse amplitude modulation, descending after being modulated Data, wherein, when the transmitter module uses Time division duplex, the subchannel is the period；When the transmitter module During using frequency division duplex technology, the subchannel is time/frequency source block；Sending module, for sending descending silent instruction to adjacent cell, notify the adjacent cell in the subchannel not Carry out downlink data transmission；And for launching downlink data after the modulation in the subchannel.
- 11. network side equipment as claimed in claim 10, it is characterised in that described to launch the modulation in the subchannel Downlink data is that downlink data after the first transmission power transmitting modulation, first hair are used in the subchannel afterwards Penetrate the average emitted power that power is more than this cell.
- 12. network side equipment as claimed in claim 10, it is characterised in that described descending when being launched using frequency division duplex technology During data：The modulation module is additionally operable to carry out low order orthogonal pulses amplitude modulation(PAM) to the downlink data in other time/frequency source blocks, obtains Downlink data after to low-order-modulated, the low order orthogonal pulses amplitude modulation(PAM) include the orthogonal pulses that constellation point is less than or equal to 64 Amplitude modulation(PAM)；The sending module is additionally operable to launch in other time/frequency source blocks downlink data after the low-order-modulated.
- 13. network side equipment as claimed in claim 12, it is characterised in that the sending module is additionally operable to when described other Downlink data is specifically, using the second transmitting in other time/frequency source blocks after launching the low-order-modulated on frequency resource block Downlink data after low-order-modulated described in power emission, second transmission power are no more than the average emitted power of this cell.
- 14. such as the network side equipment any one of claim 10-13, it is characterised in that the network side equipment also wraps Include：Antenna adjustments module, for when the sending module is in downlink data after launching the modulation in the subchannel, inciting somebody to action The angle of declination increase 5-10 degree of transmitting antenna.
- A kind of 15. user equipment, it is characterised in that including：Receiving module, for receiving the dispatch command from network side equipment corresponding to this cell, the dispatch command includes referring to Sub-channel information, and descending silent instruction is sent to adjacent cell by the network side equipment, notify the adjacent cell Scheduling user's set does not carry out transmitting uplink data in the specified subchannel, wherein, when the transmitter module uses the time-division When duplex technology launches the upstream data, the subchannel is the period；When the transmitter module uses frequency division duplex technology When launching the upstream data, the subchannel is time/frequency source block；Modulation module, for carrying out high-order orthogonal pulse amplitude modulation to the upstream data in the specified subchannel, adjusted Upstream data after system；Transmitter module, for launching upstream data after the modulation in the specified subchannel.
- 16. user equipment as claimed in claim 15, it is characterised in that described to launch the tune in the specified subchannel Upstream data is after system, described using upstream data after the larger transmission power transmitting modulation in the specified subchannel Larger transmission power is more than the average emitted power of user equipment.
- 17. a kind of computer read/write memory medium, the computer-readable recording medium storage has program, and described program causes Network equipment perform claim requires the method shown in 1-6.
- 18. a kind of computer read/write memory medium, the computer-readable recording medium storage has program, and described program causes User equipment perform claim requires the method shown in 7-9.
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| CN201710903195.4A CN107659530B (en) | 2012-06-14 | 2012-06-14 | Data transmitting method and device |
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| CN108235400B (en) * | 2016-12-12 | 2021-01-15 | 中国移动通信有限公司研究院 | Scheduling method and base station |
| CN111226478A (en) * | 2018-01-12 | 2020-06-02 | Oppo广东移动通信有限公司 | Data sending method, device and system |
| CN112586084B (en) * | 2018-09-04 | 2023-06-23 | Oppo广东移动通信有限公司 | Service identifier display control method and device |
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| CN103491051B (en) | 2017-11-03 |
| CN103491051A (en) | 2014-01-01 |
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Effective date of registration: 20210428 Address after: Unit 3401, unit a, building 6, Shenye Zhongcheng, No. 8089, Hongli West Road, Donghai community, Xiangmihu street, Futian District, Shenzhen, Guangdong 518040 Patentee after: Honor Device Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |