CN106982462A - Mapping method and base station of the bit to symbol - Google Patents
Mapping method and base station of the bit to symbol Download PDFInfo
- Publication number
- CN106982462A CN106982462A CN201610031484.5A CN201610031484A CN106982462A CN 106982462 A CN106982462 A CN 106982462A CN 201610031484 A CN201610031484 A CN 201610031484A CN 106982462 A CN106982462 A CN 106982462A
- Authority
- CN
- China
- Prior art keywords
- mobile station
- bit
- symbol
- base station
- mapped
- 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
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
Abstract
Mapping method and base station the embodiments of the invention provide a kind of bit of base station execution to symbol.A kind of bit performed by base station according to an embodiment of the invention to symbol mapping method, including：Pair simultaneously be modulated by multiple mobile stations of base station scheduling when, the Part I bit information for the first mobile station in multiple mobile stations is mapped to the high prioritized bit in symbol；And the Part II bit information for the first mobile station is mapped to the low priority bit in symbol.
Description
Technical field
The present invention relates to the mapping method of the bit performed by base station to symbol and base station.More specifically, this
Invention be related to it is a kind of to multiple mobile stations simultaneously the bit used when being modulated to symbol mapping method with
Corresponding base station.
Background technology
Non-orthogonal multiple (NOMA) is the LTE studied in 3GPP (third generation partner program)
The wireless access technology proposed in (Long Term Evolution) release 13.In NOMA systems, sending
End, base station is multiplexed the data for multiple mobile stations in each resource block with different power stages, so that
Obtain the plurality of mobile station and share identical time and frequency resource, so as to improve throughput of system.
In NOMA systems, base station is according to specific modulation system, by multiple mobile stations of scheduling simultaneously
Respective bit information is mapped on symbol.At present during above-mentioned bit to symbol mapping, in order to
Ensure the communication quality of the poor mobile station of channel status, base station is for the poor mobile station of channel status
Bit information distribution in specific modulation mode symbol high prioritized bit, and for channel status compared with
The bit information of good mobile station distributes the low priority bit of the symbol in specific modulation mode.But this
The mapping mode of sample may cause the signal quality that the preferable mobile station of channel status is received from base station compared with
Difference, causing the entire throughput of communication system reduces.
The content of the invention
The mapping method desirable to provide a kind of bit to symbol and corresponding base station according to the present invention, with effective
Ground improves the signal quality that the preferable mobile station of channel status is received from base station, so that it is guaranteed that whole communication
The handling capacity of system.
According to an aspect of the invention, there is provided a kind of bit performed by base station is to the mapping side of symbol
Method, including：Pair simultaneously be modulated by multiple mobile stations of base station scheduling when, will be for multiple movements
The Part I bit information of the first mobile station in platform is mapped to the high prioritized bit in symbol；And
Part II bit information for the first mobile station is mapped to the low priority bit in symbol.
According to another aspect of the present invention there is provided a kind of base station, including：First map unit, quilt
It is configured to pair while when being modulated by multiple mobile stations of base station scheduling, will be in multiple mobile stations
The Part I bit information of the first mobile station be mapped to high prioritized bit in symbol；And second
Map unit, is configured as the Part II bit information for the first mobile station being mapped in symbol
Low priority bit.
Brief description of the drawings
By the way that with reference to accompanying drawing, embodiments of the present invention is described in detail, above and other mesh of the invention
, feature, advantage will become apparent, wherein：
Fig. 1 is the schematic diagram for showing NOMA communication systems according to an embodiment of the invention.
Fig. 2 is shown according to traditional mapping method, and bit is carried out under 16QAM modulation systems
The schematic diagram mapped to symbol.
Fig. 3 is to show the bit that is performed according to an embodiment of the invention by base station to the mapping side of symbol
The flow chart of method.
Fig. 4 is the example according to the present invention shown, is compared under 16QAM modulation systems
The schematic diagram that spy maps to symbol.
Fig. 5 is another example according to the present invention shown, is compared under 16QAM modulation systems
The schematic diagram that spy maps to symbol.
Fig. 6 is shown in Gaussian white noise channel, in base station using 64QAM modes to adjusting together
In the case that the first mobile station and the second mobile station of degree are adjusted, the first mobile station and second are moved
The simulation result for the signal that platform is received.
Fig. 7 shows the block diagram of base station according to embodiments of the present invention.
Fig. 8 is the general hardware frame for showing the system for mapping bits to symbol according to the embodiment of the present invention
Figure.
Embodiment
The bit performed below with reference to accompanying drawings to describe according to embodiments of the present invention by base station is to symbol
Mapping method and base station.In the accompanying drawings, identical reference number represents identical element from beginning to end.Should
Work as understanding：The embodiments described herein is merely illustrative, and is not necessarily to be construed as the limitation present invention's
Scope.
First, the description of reference picture 1 can be using the NOMA wireless communication systems of embodiments of the invention
One example.Wireless communication system shown in Fig. 1 includes base station and set with multiple users of the base station communication
Standby (UE).Base station can be connected with higher device (not shown), and the higher device then can be with
It is connected to core network (not shown).Although it should be noted that illustrate only a base station in Fig. 1
With two UE, but this be it is exemplary, as needed, there may be more or less base stations and
UE.In addition, UE described here can include various types of user terminals, for example mobile terminal (or
Referred to as mobile station) or fixed terminal, however, for convenience, hereinafter interchangeably sometimes
Use UE and mobile station.
Base station is scheduled for each downlink resource blocks (such as frequency resource block) to each UE,
So as to determine by for which UE data-reusing into the resource block.For example, base station can according to from
The channel condition information (CSI) of radio channel state between reflection UE and the base station of each UE feedbacks
To carry out above-mentioned scheduling.In the example depicted in fig. 1, base station can be by the data for UE1 and UE2
Multiplexing is in same resource block.In addition, base station can be by being sent out with the first power stage (or first power)
Send the data for UE1, and the second power stage different from the first power stage (or second can be passed through
Power) send data for UE2, wherein UE1 is, for example, near or positioned at center of housing estate away from base station
UE, UE2 are, for example, far or positioned at the UE of cell edge away from base station.
Base station, can be according to specific modulation system when being scheduled together to UE1 and UE2, will be for
UE1 and UE2 bit information is mapped in symbol.In 16QAM modulation systems shown in Fig. 2
The schematic diagram of symbol.As shown in Fig. 2 16QAM each symbol includes 4 bits, wherein each symbol
Number include 2 high prioritized bits (as shown in the white box in Fig. 2) and 2 low priority ratios
Special (as shown in the grey square frame in Fig. 2).
In addition in fig. 2, F is represented to be used for UE2 bit in symbol after modulation, and N is represented
It is used for UE1 bit in symbol after modulation.As shown in Fig. 2 according to being reflected at present in bit to symbol
Shooting method, whole bit informations positioned at the UE1 of center of housing estate are mapped on low priority bit,
And whole bit informations of the UE2 positioned at cell edge are mapped into high prioritized bit.This leads
Cause the UE1 signal quality received from base station poor, cause the entire throughput of wireless communication system to subtract
It is few.
Embodiments of the invention improve above-mentioned bit to the mapping method of symbol.Next, with reference to accompanying drawing
To describe embodiments of the invention.
Fig. 3 is to show the bit that is performed according to an embodiment of the invention by base station to the mapping side of symbol
The flow chart of method 300.As shown in figure 3, in step S301, pair simultaneously by the multiple of base station scheduling
When mobile station is modulated, by for the Part I bit information of the first mobile station in multiple mobile stations
It is mapped to the high prioritized bit in symbol.According to the example of the present invention, together by base station scheduling
Multiple mobile stations can have different signal-to-noise ratios (hereinafter referred to as signal interference ratio), and the first mobile station
It can be the mobile station in the multiple mobile station with higher signal interference ratio.For example, the first mobile station can
Can be the mobile station positioned at center of housing estate with preferable channel status.Further according to the another of the present invention
One example, can determine priority according to the transmission reliability of bit in modulation symbol.Specifically, in symbol
The information transfer of low priority bit that is higher than in symbol of information transfer reliability of high prioritized bit can
By property.
Part I bit information can be from the selection in whole bit informations for the first mobile station
Partial bit information.For example, base station can be with Different Modulations to dispatching together multiple mobile stations
Bit information be modulated, and can be determined according to base station for the modulation system of multiple mobile stations by
It is mapped to the quantity of the Part I bit information of high prioritized bit in symbol.Can be by together
Scheduled multiple UE coded modulation and channel situation emulates to predefine under every kind of modulation system
The quantity of Part I bit information.For example, the Part I ratio under every kind of modulation system can be predefined
The quantity of special information, to cause the geometric average for playing scheduled multiple UE under the modulation system to handle up
Amount is maximum or other measure is optimal.For example, when base station is adjusted using 64QAM to multiple mobile stations
When processed, it can be selected from the bit information for the first mobile station than when base station uses 16QAM to multiple
More bit informations are used as Part I bit information when mobile station is modulated.
In addition, Part I bit information can be mapped to the high priority in symbol by different modes
Bit.For example, the Part I bit information can be mapped into symbol at a predetermined interval in step S301
High prioritized bit in number.In another example, Part I bit information can also be mapped in step S301
The continuously distributed high prioritized bit into symbol.It is similar with determining Part I bit information, can basis
Base station determines mapping mode for the modulation system of multiple mobile stations.
Fig. 4 is the example according to the present invention shown, is compared under 16QAM modulation systems
The schematic diagram that spy maps to symbol.Similar with Fig. 2, white box represents the Gao You in symbol in Fig. 4
First level bit, and grey square frame represents the low priority bit in symbol.As shown in figure 4, after modulation
Symbol in high prioritized bit sequentially arranged on time orientation.
The mapping of Part I bit information can be set to a high prioritized bit in advance.Correspondingly,
When being mapped according to step S301, Part I bit information is mapped at interval of a high priority
In the high prioritized bit of bit.In Fig. 4, N represents to be used for the first movement in symbol after modulation
The bit of platform, and F represents in symbol to be after modulation used in the multiple mobile station except first moves
The bit of other mobile stations beyond dynamic platform.As shown in figure 4, on time orientation tactic Gao You
In first level bit, the Part I bit information of the first mobile station is mapped at interval of a high priority ratio
In special high prioritized bit.
Fig. 5 is another example according to the present invention shown, is compared under 16QAM modulation systems
The schematic diagram that spy maps to symbol.As shown in figure 5, modulation after symbol in high prioritized bit when
Between square upstream sequence arrangement.It can predefine in tactic high prioritized bit, Part I ratio
The original position that will be mapped to that and length (that is, amount of bits) of special information.According to step S301,
Part I bit information is mapped to predetermined length, order since original position set in advance
In the high prioritized bit of arrangement.In Figure 5, N represents to be used for the first movement in symbol after modulation
The bit of platform, and F represents in symbol to be after modulation used in the multiple mobile station except first moves
The bit of other mobile stations beyond dynamic platform.As shown in figure 5, on time orientation tactic Gao You
In first level bit, the Part I bit information of the first mobile station is mapped to from first high priority ratio
JP begins, in tactic, predetermined length high prioritized bit.
In an embodiment according to the present invention, first can be stored in base station scheduling and multiple mobile stations in advance
The Part I bit information determination mode and mapping mode of mobile station., can be according to pre- in step S301
The Part I bit information determination mode first stored, pair simultaneously entered by multiple mobile stations of base station scheduling
During row modulation, the Part I bit information of the first mobile station is determined, and according to the mapping prestored
Identified Part I bit information is mapped to the high prioritized bit in symbol by mode.For example, can
It is in advance that modulation coding mode (MCS) is corresponding with Part I bit information determination mode and mapping mode
Storage, and in step S301 can from the multiple and Part I bit information determination mode stored and
In mapping mode, Part I bit corresponding with the current modulation system to multiple mobile stations in base station is selected
Information determination mode and mapping mode.
In addition, base station can also Part I bit information that is static or semi-statically adjusting the first mobile station it is true
Fixed and mapping mode.Obtained for example, the method in Fig. 3 may also include according to the channel quality of multiple mobile stations
The first mobile station Part I bit information determine and mapping mode, and pair simultaneously adjusted by base station
Before multiple mobile stations of degree are modulated, to the obtained determination of multiple mobile stations notice and mapping mode.
Specifically, base station can obtain the Part I bit of the first mobile station according to the channel quality of multiple mobile stations
Information is determined and mapping mode, maximum by the handling capacity of multiple mobile stations of base station scheduling together to cause.
For example, when the geometrical mean of the handling capacity of the multiple mobile station is maximum, it is believed that the plurality of movement
The handling capacity of platform is maximum.More specifically, (CSI) can be indicated according to the channel status received from multiple mobile stations
To obtain the determination of Part I bit information and the mapping mode of the first mobile station.As described above, from for
Determination Part I bit information in whole bit informations of first mobile station may include to determine Part I
The quantity of bit information.For example, according to the CSI received from multiple mobile stations come from for the first mobile station
Whole bit informations in determination Part I bit information quantity.In addition, as described above, can lead to
The high prioritized bit that Part I bit information is mapped in symbol by different modes is crossed, and can root
The mapping mode suitable for the channel quality is obtained according to the channel quality of multiple mobile stations.According to the present invention
An example, according to the channel quality of multiple mobile stations obtain the first mobile station Part I bit
After information determination mode and mapping mode, base station can be controlled by radio resource control signaling or physical down
Channel, to the obtained determination of multiple mobile stations notice and mapping mode, and in step S301, root
Determination and mapping mode according to acquisition, pair simultaneously be modulated by multiple mobile stations of base station scheduling when,
Part I bit information for the first mobile station in multiple mobile stations is mapped to the Gao You in symbol
First level bit.
Fig. 3 is returned to, in step s 302, by the Part II bit information mapping for the first mobile station
Low priority bit into symbol.Part II bit information can be for the complete of the first mobile station
Bit information in portion's bit information in addition to Part I bit information.As shown in Figure 4 and Figure 5,
The Part II bit information of first mobile station is mapped on the low priority bit in symbol.
Selectively, the method shown in Fig. 3 may additionally include pair simultaneously by multiple movements of base station scheduling
When platform is modulated, all bit informations for the second mobile station in multiple mobile stations are mapped to symbol
High prioritized bit in number.Second mobile station can have relatively low letter dry in the multiple mobile station
The mobile station of ratio.For example, the second mobile station can be the mobile station positioned at cell edge.Due to positioned at small
The channel quality of the mobile station of area edge is usually less than the channel quality of the mobile station positioned at center of housing estate, because
This, can be by the high prioritized bit that is mapped to all bit informations for the second mobile station in symbol
To ensure the communication quality of the second mobile station.
According to the example of the present invention, the method shown in Fig. 3 may also include adjustment and distribute to multiple shiftings
The transmission power of platform is moved further to increase the throughput of multiple mobile stations.Specifically, base station can be to distribution
Transmission power and total transmitting work(of the transmission power in base station for distributing to the second mobile station to the first mobile station
Shared ratio is adjusted in rate.
In addition selectively, the method shown in Fig. 3 can be used for using multi-user's overlapping transmission type 2
(MUST Category 2) to carry out multiple mobile stations the base station that bit information maps to symbol.
In the mapping method of bit according to the above embodiment of the present invention to symbol, by will be for simultaneously
Symbol after modulation is mapped to by a part of bit information of the first mobile station in multiple mobile stations of base station scheduling
High prioritized bit in number, effectively improves the signal quality that the first mobile station is received from base station,
So that it is guaranteed that the handling capacity of whole communication system.
Fig. 6 is shown in Gaussian white noise channel, in base station using 64QAM modes to adjusting together
In the case that the first mobile station and the second mobile station of degree are adjusted, the first mobile station and second are moved
The simulation result for the signal that platform is received.Assuming that in the example depicted in fig. 6, with encoding rate 0.65 pair
One mobile station and the second mobile station are encoded, and 20 resource blocks are emulated.As shown in fig. 6,
Compared with traditional mapping method, according to the mapping method 300 of the embodiment of the present application for the first mobile station
The signal quality received is obviously improved, the shadow of the signal quality received simultaneously for the second mobile station
Sound is smaller.For example, as shown in fig. 6, when signal BLER(block error rate) (BLER) is 0.1, it is and existing
Mapping method is compared, and the signal interference ratio (SNR) of the first mobile station improves 0.45dB, and and mobile station
Signal interference ratio (SNR) only deteriorate 0.1dB.It should be noted that the mapping of invention as described above embodiment
Each step in method is performed not necessarily in shown order.It can overturn or be performed in parallel some steps
Suddenly.The Part I bit information for the first mobile station is mapped to symbol for example, can perform simultaneously
In high prioritized bit (step S301), the Part II bit information for the first mobile station is reflected
The low priority bit (step S302) in symbol is mapped to, and by for second in multiple mobile stations
All bit informations of mobile station are mapped to the high prioritized bit in symbol.
Below, reference picture 7 describes base station according to embodiments of the present invention.Fig. 7 is shown according to this hair
The block diagram of the base station 700 of bright embodiment.As shown in fig. 7, base station 700 includes the first map unit 710
With the second map unit 720.In addition to the two units, base station 700 can also include miscellaneous part,
However, because these parts are unrelated with the content of the embodiment of the present invention, thus omit herein its diagram and
Description.Further, since the detail for the operations described below that base station 700 according to embodiments of the present invention is performed
It is identical with the details described above with reference to Fig. 1-6, therefore the omission pair in order to avoid repetition herein
The repeated description of same detail.
First map unit 710 can pair simultaneously be modulated by multiple mobile stations of base station scheduling when, will
The height being mapped to for the Part I bit information of the first mobile station in multiple mobile stations in symbol is preferential
Level bit.According to the example of the present invention, there can be difference by multiple mobile stations of base station scheduling together
Signal interference ratio, and the first mobile station can be in the multiple mobile station have higher signal interference ratio shifting
Dynamic platform.For example, the first mobile station can have preferable channel status, can be the shifting positioned at center of housing estate
Dynamic platform., can be true according to the transmission reliability of bit in modulation symbol further according to another example of the present invention
Determine priority.Specifically, the information transfer reliability of the high prioritized bit in symbol is higher than in symbol
The information transfer reliability of low priority bit.
Part I bit information can be from the selection in whole bit informations for the first mobile station
Partial bit information.For example, base station can be with Different Modulations to dispatching together multiple mobile stations
Bit information be modulated, and the first map unit 710 can be according to base station for multiple mobile stations
Modulation system determines will be mapped to that the number of the Part I bit information of high prioritized bit in symbol
Amount.For example, when base station is modulated using 64QAM to multiple mobile stations, the first map unit 710
It can be selected from the bit information for the first mobile station than when base station uses 16QAM to multiple mobile stations
More bit informations are used as Part I bit information when being modulated.
In addition, Part I bit information can be mapped to the high priority in symbol by different modes
Bit.For example, the first map unit 710 can map the Part I bit information at a predetermined interval
High prioritized bit into symbol.In another example, the first map unit 710 can also be by Part I bit
The information MAP high prioritized bit continuously distributed into symbol.It is similar with determining Part I bit information,
First map unit 710 can determine mapping mode according to base station for the modulation system of multiple mobile stations.
Fig. 4 is the example according to the present invention shown, is compared under 16QAM modulation systems
The schematic diagram that spy maps to symbol.Similar with Fig. 2, white box represents the Gao You in symbol in Fig. 4
First level bit, and grey square frame represents the low priority bit in symbol.As shown in figure 4, after modulation
Symbol in high prioritized bit sequentially arranged on time orientation.
The mapping of Part I bit information can be set to a high prioritized bit in advance.Correspondingly,
Part I bit information is mapped at interval of a Gao You by the first map unit 710 when being mapped
In the high prioritized bit of first level bit.For example in the example shown in figure 4 above, on time orientation
In tactic high prioritized bit, the Part I bit information of the first mobile station is single by the first mapping
Member 710 is mapped in the high prioritized bit at interval of a high prioritized bit.
Alternatively, it can predefine in tactic high prioritized bit, Part I bit letter
The original position that will be mapped to that and length (that is, amount of bits) of breath.Correspondingly, the first map unit
710 by Part I bit information be mapped to since original position set in advance it is predetermined length,
In tactic high prioritized bit.For example in the example depicted in fig. 5, the order on time orientation
In the high prioritized bit of arrangement, the Part I bit information of the first mobile station is by the first map unit 710
It is mapped to since first high prioritized bit, tactic, predetermined length high prioritized bit
On.
In addition, according to the example of the present invention, base station 700 may also include memory cell, to exist in advance
The Part I bit information determination mode of the first mobile station is stored in base station scheduling and multiple mobile stations and is reflected
Penetrate mode.First map unit 710 can according to the Part I bit information determination mode prestored,
Pair simultaneously be modulated by multiple mobile stations of base station scheduling when, determine the Part I of the first mobile station
Bit information, and mapped identified Part I bit information according to the mapping mode prestored
High prioritized bit into symbol.For example, can be in advance by modulation coding mode (MCS) and first
Point bit information determination mode is corresponding with mapping mode is stored in the memory cell of base station.First mapping is single
Member 710 can be selected from multiple and the Part I bit information determination mode and mapping mode that are stored
Part I bit information determination mode corresponding with the current modulation system to multiple mobile stations in base station and reflect
Penetrate mode.
In addition, according to another example of the present invention, base station 700 can also be static or semi-statically adjusts first
The Part I bit information of mobile station is determined and mapping mode.For example, base station 700 may also include mode
Determining unit, is believed with the Part I bit that the first mobile station is obtained according to the channel quality of multiple mobile stations
Breath is determined and mapping mode；And transmitting element, with pair simultaneously entered by multiple mobile stations of base station scheduling
Before row modulation, to the obtained determination of multiple mobile stations notice and mapping mode.Specifically, mode is true
The Part I bit information that order member can obtain the first mobile station according to the channel quality of multiple mobile stations is true
Fixed and mapping mode, it is maximum by the handling capacity of multiple mobile stations of base station scheduling together to cause.For example,
When the geometrical mean of the handling capacity of the multiple mobile station is maximum, it is believed that the plurality of mobile station is gulped down
The amount of telling is maximum.More specifically, mode determining unit can refer to according to the channel status received from multiple mobile stations
Show (CSI) and determined and mapping mode to obtain the Part I bit information of the first mobile station.
According to the example of the present invention, the first mobile station is being obtained according to the channel quality of multiple mobile stations
Part I bit information determination mode and mapping mode after, transmitting element can pass through wireless heterogeneous networks
Signaling or Physical Downlink Control Channel, to the obtained determination of multiple mobile stations notice and mapping mode, and
And first map unit 710 can be according to acquisition determination and mapping mode, pair simultaneously by base station scheduling
When multiple mobile stations are modulated, by for the Part I bit of the first mobile station in multiple mobile stations
High prioritized bit of the information MAP into symbol.
Part II bit information for the first mobile station can be mapped to symbol by the second map unit 720
In low priority bit.Part II bit information can be in whole bits for the first mobile station
Bit information in information in addition to Part I bit information.As shown in Figure 4 and Figure 5, first move
The Part II bit information of dynamic platform is mapped on the low priority bit in symbol.
Selectively, base station 700 may also include the 3rd map unit, with pair simultaneously by base station scheduling
When multiple mobile stations are modulated, by for all bit informations of the second mobile station in multiple mobile stations
It is mapped to the high prioritized bit in symbol.Second mobile station can be had in the multiple mobile station
The mobile station of relatively low signal interference ratio.For example, the second mobile station can be the mobile station positioned at cell edge.By
It is usually less than the channel of the mobile station positioned at center of housing estate in the channel quality of the mobile station positioned at cell edge
Quality, therefore, can be by the Gao You that is mapped to all bit informations for the second mobile station in symbol
First level bit ensures the communication quality of the second mobile station.
According to the example of the present invention, base station 700 may also include power adjustment unit, to adjust distribution
To the transmission power of multiple mobile stations further to increase the throughput of multiple mobile stations.Specifically, power
Adjustment unit can be to the transmission power distributing to the transmission power of the first mobile station He distribute to the second mobile station
Shared ratio is adjusted in the total transmission power of base station.
In addition selectively, base station 700 can be used for using (the MUST of multi-user's overlapping transmission type 2
Category 2) to carry out multiple mobile stations the base station that bit information maps to symbol.
In base station according to the above embodiment of the present invention, by by for simultaneously by the multiple of base station scheduling
A part of bit information of the first mobile station is mapped to the high priority ratio in the symbol after modulation in mobile station
Spy, effectively improves the signal quality that the first mobile station is received from base station, so that it is guaranteed that whole communication
The handling capacity of system.
Person of ordinary skill in the field knows, the present invention can be implemented as system, device, method or
Computer program product.Therefore, the present invention can be implemented as following form, i.e.,：Can be complete
Hardware, can also be complete software (including firmware, resident software, microcode etc.), can also be
The form that hardware and software is combined, referred to generally herein as " component, " module ", " device " or " system ".
In addition, in certain embodiments, the present invention is also implemented as in one or more computer-readable mediums
In computer program product form, computer-readable program generation is included in the computer-readable medium
Code.
Any combination of one or more computer-readable mediums can be used.Computer-readable medium can be with
It is computer-readable signal media or computer-readable recording medium.Computer-readable recording medium is for example
System, device or the device of electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor can be but not limited to,
Or any combination above.The more specifically example (non exhaustive list) of computer-readable recording medium
Including：Electrical connection, portable computer diskette, hard disk, arbitrary access with one or more wires
Memory (RAM), read-only storage (ROM), erasable programmable read only memory (EPROM or
Flash memory), optical fiber, portable compact disc read-only storage (CD-ROM), light storage device, magnetic storage
Device or above-mentioned any appropriate combination.In this document, computer-readable recording medium can be with
Be it is any include or storage program tangible medium, the program can be commanded execution system, device or
Device is used or in connection.
Computer-readable signal media can be included in a base band or as the number of carrier wave part propagation
It is believed that number, wherein carrying computer-readable program code.The data-signal of this propagation can be used
Diversified forms, including but not limited to electromagnetic signal, optical signal or above-mentioned any appropriate combination.Calculate
The readable signal media of machine can also be any computer-readable Jie beyond computer-readable recording medium
Matter, the computer-readable medium can be sent, propagated or be transmitted for by instruction execution system, device
Or device is used or program in connection.
Flow chart and block diagram in accompanying drawing show according to the system of multiple embodiments of the present invention, method and
Architectural framework in the cards, function and the operation of computer program product.At this point, flow chart or
Each square frame in block diagram can represent a part for a module, program segment or code, the module,
A part for program segment or code includes one or more executable fingers for being used to realize defined logic function
Order.It is also noted that in each square frame and block diagram and/or flow chart in block diagram and/or flow chart
Square frame combination, reality can be carried out with the special hardware based system of function or operation as defined in performing
It is existing, or can be realized with the combination of specialized hardware and computer instruction.
Fig. 8 is the general hardware frame for showing the bit according to the embodiment of the present invention to symbol mapped system 800
Figure.Bit can be implemented as base station to symbol mapped system 800, and as shown in figure 8, bit is to symbol
Number mapped system 800 can include：Receive and send part 810, memory unit 820 and processing component 830.
Receive send part 810 can from mobile station receive/to mobile station send signal.Memory unit 820 can
With including various forms of computer-readable recording mediums, for example, volatile memory and/or non-volatile deposit
Reservoir.The volatile memory can for example include random access memory (RAM) and/or slow at a high speed
Rush memory (cache) etc..The nonvolatile memory for example can include read-only storage (ROM),
Hard disk, flash memory etc..One or more computer journeys can be stored on the computer-readable recording medium
Sequence is instructed.Realize the bit described above in association with Fig. 1-6 to symbol for example, memory unit 820 can be stored
Mapping method computer program instructions.Processor 830 can run described program instruction, to realize
The function of embodiment of the disclosure described above and/or other desired functions.
It is described above various embodiments of the present invention, described above is exemplary, and non-exclusive
, and it is also not necessarily limited to disclosed each embodiment.In the scope without departing from illustrated each embodiment and
In the case of spirit, many modifications and changes are all aobvious for those skilled in the art
And be clear to.The selection of term used herein, it is intended to best explain principle, the reality of each embodiment
Using or to technology in market improvement, or other those of ordinary skill of the art is managed
Solve each embodiment disclosed herein.
Claims (19)
1. a kind of bit performed by base station is to the mapping method of symbol, including：
Pair simultaneously be modulated by multiple mobile stations of the base station scheduling when, will for it is the multiple move
The Part I bit information of the first mobile station in dynamic platform is mapped to the high prioritized bit in symbol；With
And
Part II bit information for first mobile station is mapped to the low priority ratio in symbol
It is special.
2. the method as described in claim 1, in addition to：
Pair simultaneously be modulated by multiple mobile stations of the base station scheduling when, will for it is the multiple move
All bit informations of the second mobile station in dynamic platform are mapped to the high prioritized bit in symbol.
3. method as claimed in claim 2, wherein
The signal interference ratio of first mobile station is more than the signal interference ratio of second mobile station.
4. the method as described in Claims 2 or 3, in addition to：
Determined according to the modulation system to the first mobile station and the second mobile station for first mobile station
The quantity of Part I bit information.
5. the method as described in any one in claim 1-3, wherein described will move for the multiple
The Part I bit information of the first mobile station in dynamic platform is mapped to the high prioritized bit bag in symbol
Include：
The Part I bit information is mapped to the high prioritized bit in symbol at a predetermined interval.
6. the method as described in any one in claim 1-3, wherein described will move for the multiple
The Part I bit information of the first mobile station in dynamic platform is mapped to the high prioritized bit bag in symbol
Include：
According to predetermined length, the Part I bit information is mapped in symbol continuous high priority
Bit.
7. the method as described in any one in claim 1-3, in addition to：
The Part I bit letter of first mobile station is obtained according to the channel quality of the multiple mobile station
Breath is determined and mapping mode；
It is static or semi-statically to the multiple mobile station notify obtained determination and mapping mode, wherein
By radio resource control signaling or Physical Downlink Control Channel, institute is notified to the multiple mobile station
The determination of acquisition and mapping mode, and
It is described pair simultaneously be modulated by multiple mobile stations of the base station scheduling when, will be for described many
The Part I bit information of the first mobile station in individual mobile station is mapped to the high prioritized bit in symbol
Including：
According to the determination of acquisition and mapping mode, pair simultaneously by multiple movements of the base station scheduling
When platform is modulated, by for the Part I bit information of the first mobile station in the multiple mobile station
It is mapped to the high prioritized bit in symbol.
8. the method as described in any one in claim 1-3, in addition to：
The Part I ratio of the first mobile station is stored in the base station scheduling and the multiple mobile station in advance
Special information determination and mapping mode, wherein
It is described pair simultaneously be modulated by multiple mobile stations of the base station scheduling when, will be for described many
The Part I bit information of the first mobile station in individual mobile station is mapped to the high prioritized bit in symbol
Including：
Determined according to the Part I bit information that prestores and mapping mode, pair simultaneously by institute
When the multiple mobile stations for stating base station scheduling are modulated, by for the first movement in the multiple mobile station
The Part I bit information of platform is mapped to the high prioritized bit in symbol.
9. the method as described in any one in claim 1-3, wherein
The information transfer reliability of high prioritized bit in symbol is higher than the low priority bit in symbol
Information transfer reliability.
10. the method as described in any one in claim 1-3, in addition to：
Adjustment distributes to the transmission power of the multiple mobile station to increase handling up for the multiple mobile station
Rate.
11. a kind of base station, including：
First map unit, is configured as pair while adjusted by multiple mobile stations of the base station scheduling
When processed, the Part I bit information for the first mobile station in the multiple mobile station is mapped to symbol
High prioritized bit in number；And
Second map unit, is configured as reflecting the Part II bit information for first mobile station
It is mapped to the low priority bit in symbol.
12. base station as claimed in claim 11, in addition to：
3rd map unit, is configured as pair while adjusted by multiple mobile stations of the base station scheduling
When processed, all bit informations for the second mobile station in the multiple mobile station are mapped in symbol
High prioritized bit.
13. base station as claimed in claim 12, wherein
The signal interference ratio of first mobile station is more than the signal interference ratio of second mobile station.
14. the base station as described in claim 12 or 13, in addition to：
Bit information determining unit, is configured as according to first mobile station and second mobile station
Modulation system determine for first mobile station Part I bit information quantity.
15. the base station as described in any one in claim 11-13, wherein
The Part I bit information is mapped in symbol by first map unit at a predetermined interval
High prioritized bit.
16. the base station as described in any one in claim 11-13, wherein
The Part I bit information is mapped to symbol by first map unit according to predetermined length
In continuous high prioritized bit.
17. the base station as described in any one in claim 11-13, in addition to：
Mode determining unit, is configured as obtaining described first according to the channel quality of the multiple mobile station
The Part I bit information of mobile station is determined and mapping mode；
Transmitting element, is configured as static or semi-statically to the multiple mobile station notifies the first mobile station
Part I bit information determine and mapping mode, wherein
The transmitting element is by radio resource control signaling or Physical Downlink Control Channel, to the multiple
The obtained determination of mobile station notice and mapping mode, and
Determination and mapping mode of first map unit according to acquisition, pair simultaneously adjusted by the base station
When multiple mobile stations of degree are modulated, by for first of the first mobile station in the multiple mobile station
High prioritized bit of the partial bit information MAP into symbol.
18. the base station as described in any one in claim 11-13, in addition to：
Memory cell, the Part I bit information for being configured as prestoring the first mobile station is determined and reflected
Mode is penetrated, wherein
First map unit is determined according to the Part I bit information of the first mobile station prestored
And mapping mode, the Part I bit information for the first mobile station in the multiple mobile station is reflected
It is mapped to the high prioritized bit in symbol.
19. the base station as described in any one in claim 11-13, in addition to：
Power adjustment unit, is configured as adjusting and distributes to the transmission power of the multiple mobile station to increase
The throughput of the multiple mobile station.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610031484.5A CN106982462A (en) | 2016-01-18 | 2016-01-18 | Mapping method and base station of the bit to symbol |
| PCT/CN2017/071402 WO2017125003A1 (en) | 2016-01-18 | 2017-01-17 | Bit-to-symbol mapping method and base station |
| CN201780004336.7A CN108702713A (en) | 2016-01-18 | 2017-01-17 | Mapping method and base station of the bit to symbol |
| JP2018536838A JP2019508935A (en) | 2016-01-18 | 2017-01-17 | Bit-to-symbol mapping method and base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610031484.5A CN106982462A (en) | 2016-01-18 | 2016-01-18 | Mapping method and base station of the bit to symbol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106982462A true CN106982462A (en) | 2017-07-25 |
Family
ID=59341264
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610031484.5A Pending CN106982462A (en) | 2016-01-18 | 2016-01-18 | Mapping method and base station of the bit to symbol |
| CN201780004336.7A Pending CN108702713A (en) | 2016-01-18 | 2017-01-17 | Mapping method and base station of the bit to symbol |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780004336.7A Pending CN108702713A (en) | 2016-01-18 | 2017-01-17 | Mapping method and base station of the bit to symbol |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2019508935A (en) |
| CN (2) | CN106982462A (en) |
| WO (1) | WO2017125003A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117768276A (en) * | 2022-09-16 | 2024-03-26 | 维沃移动通信有限公司 | Modulation method, modulation device and communication equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8356234B2 (en) * | 2007-06-15 | 2013-01-15 | Samsung Electronics Co., Ltd. | Apparatus and method for transmitting and receiving data in a mobile communication system |
| US8020065B1 (en) * | 2010-03-19 | 2011-09-13 | Hitachi, Ltd. | Packet encoding method to provide unequal error protection to users and/or applications data |
| CN105471543B (en) * | 2014-08-01 | 2020-08-14 | 株式会社Ntt都科摩 | Transmission device and transmission method |
-
2016
- 2016-01-18 CN CN201610031484.5A patent/CN106982462A/en active Pending
-
2017
- 2017-01-17 CN CN201780004336.7A patent/CN108702713A/en active Pending
- 2017-01-17 WO PCT/CN2017/071402 patent/WO2017125003A1/en active Application Filing
- 2017-01-17 JP JP2018536838A patent/JP2019508935A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019508935A (en) | 2019-03-28 |
| WO2017125003A1 (en) | 2017-07-27 |
| CN108702713A (en) | 2018-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101422978B1 (en) | System and method for implementing power distribution | |
| CN102282896B (en) | Method and apparatus for scheduling data transmission on multiple carriers | |
| JP4624204B2 (en) | Communications system | |
| KR20210000739A (en) | Improving the reliability of receiving data and control information | |
| KR20200091861A (en) | Method and terminal for processing uplink control information | |
| TWI390883B (en) | Method and apparatus to support sdma transmission in a ofdma based network | |
| US9474082B2 (en) | Method and apparatus for co-scheduling transmissions in a wireless network | |
| US20190306726A1 (en) | Methods of radio front-end beam sweeping for 5g terminals | |
| CN108112076A (en) | The method and device of collocating uplink signal | |
| JP2012204974A (en) | Wireless communication system, base station device, and wireless communication method | |
| CN106550445B (en) | Method and apparatus for low latency in wireless communications | |
| CN107113749A (en) | System and method for power control | |
| KR20160032415A (en) | Apparatus and method for scheduling in wireless communication system | |
| CN111082905B (en) | Information receiving and sending method and device | |
| CN108650066A (en) | User apparatus and base station | |
| CN109314985A (en) | For the method and apparatus for skipping transport block transmission according to uplink control information transmission | |
| CN108282876A (en) | A kind of ascending transmission method, terminal, network side equipment | |
| CN108260197B (en) | A kind of UE for power adjustment, the method and apparatus in base station | |
| JP2023130459A (en) | Base station, communication method, and integrated circuit | |
| CN110535593A (en) | Signal transmission, resource determining method, device, terminal, base station and storage medium | |
| JP5622002B2 (en) | Resource allocation | |
| CN111148239A (en) | Default TCI configuration method and device | |
| CN108777857B (en) | Access control method and system under coexistence scene of URLLC and mMTC | |
| KR20120019207A (en) | Method and apparatus for downlink packet scheduling in a wireless communication system | |
| CN108574982A (en) | A kind of method and apparatus in the user equipment for being used for power adjustment, base station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170725 |
|
| WD01 | Invention patent application deemed withdrawn after publication |