CN106301707B - A kind of repeating method and device in mobile communication - Google Patents
A kind of repeating method and device in mobile communication Download PDFInfo
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- CN106301707B CN106301707B CN201510308982.5A CN201510308982A CN106301707B CN 106301707 B CN106301707 B CN 106301707B CN 201510308982 A CN201510308982 A CN 201510308982A CN 106301707 B CN106301707 B CN 106301707B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1806—Go-back-N protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
- H04L1/0675—Space-time coding characterised by the signaling
- H04L1/0693—Partial feedback, e.g. partial channel state information [CSI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1896—ARQ related signaling
Abstract
The invention discloses a kind of repeating methods and device in mobile communication.First node sends the first wireless signal in step 1, and second wireless singal is sent in step 2.Wherein, wherein the first wireless signal includes the signal modulated by the first physical layer bit packet and generated, and includes L1 bit group in the first physical layer bit packet, the bit group is modulated into one in W modulation condition.The W modulation condition is divided into W1 modulation condition group.Second wireless singal indicates modulation condition group belonging to the corresponding modulation condition of L1 bit group.Minimum Eustachian distance in the modulation condition group between two modulation conditions is greater than the minimum Eustachian distance in the W modulation condition between two modulation conditions.The present invention, which reduces, retransmits the occupied radio resource of signal, improves the probability of correct decoding.
Description
Technical field
The present invention relates to the retransmission schemes of the wireless signal in wireless communication system, more particularly to based on LTE (Long
Term Evolution, long term evolution) wireless signal retransmit method and apparatus.
Background technique
Traditional 3GPP (3rd Generation Partner Project, third generation cooperative partner program) cellular system
And in other common wireless communication systems (such as Wifi, Wimax), HARQ (Hybrid Automatic Repeat
ReQuest, hybrid automatic repeat-request) it is widely adopted as a key technology.The characteristics of HARQ first is that retransmit signal
It being capable of self-demarking code.However HARQ problem is that bolter cannot be according to TB (Transport Block, transmission block)
The quality of reception be adjusted flexibly retransmit signal size.Therefore, the scheme of multistage NACK is suggested, for example, using 2 bits
Indicate the HARQ_ACK for being directed to a TB, 2 bit indications 4 in state, 1 state corresponding A CK, other 3 states pair
Answer running time-frequency resource occupied by NACK-and the re-transmission signal recommended.Multistage NACK scheme can reduce re-transmission letter to a certain extent
Number occupied resource.Multistage NACK is substantially a kind of HARQ scheme of partial retransmission, and for partial retransmission, how to select
The mapping of bit and bit to the planisphere of re-transmission needs further to study.
Summary of the invention
Inventors discovered through research that the given modulation symbol of corresponding given constellation point, by the judgement of mistake at constellation
The probability of various constellations point (Constellation Point) in figure (Constellation) is different-probability with
Judgement constellation point and given constellation point between Euclidean distance increase and reduce.However existing retransmission scheme not needle
Optimization is made to this feature, such as traditional constellation rearrangement is only capable of equalizing the reliability of each modulation symbol, and not applicable
In fractional transmission.
In view of the above-mentioned problems, the present invention provides solutions.It should be noted that in the absence of conflict, this Shen
The feature in the embodiment and embodiment in UE please can be applied in base station, and vice versa.Further, do not conflicting
In the case of, the feature in embodiments herein and embodiment can be arbitrarily combined with each other.
The invention discloses a kind of methods of wireless communication, wherein includes the following steps:
Step A. first node sends the first wireless signal
Step B. first node sends second wireless singal
Wherein, the first wireless signal includes the signal modulated by the first physical layer bit packet and generated, the first physical layer ratio
Include L1 bit group in spy's packet, includes K1 bit in the bit group, the bit group is modulated into W modulation condition
One.The W modulation condition is divided into W1 modulation condition group.Second wireless singal indicates that the L1 bit group is each
Modulation condition group belonging to self-corresponding modulation condition.The bit group is modulated into V the first modulation symbols, the first modulation symbol
A constellation point number being mapped in the first planisphere.First planisphere is N1 dimension, and the first planisphere is by M1 constellation point group
At.The modulation condition is a point in H dimension space.Minimum Euclidean in the modulation condition group between two modulation conditions
Distance is greater than the minimum Eustachian distance in the W modulation condition between two modulation conditions.The K1 power that the W is 2, it is described
L1 is positive integer, and the K1 is positive integer, and the W1 is less than the positive integer of W, and the H is the product of N1 and V, and the N1 is just
Integer, the V are positive integers, and the M1 is positive integer.
Planisphere in the present invention refers to the pattern of constellation point, does not include mapping relations of the constellation point to bit.Above-mentioned side
The essence of method is: for each bit group, receiver according to second wireless singal determine its corresponding modulating state described in modulation
State group, then decoded operation is executed to the first wireless signal received again.Two modulation conditions in the modulation condition group
Between minimum Eustachian distance be greater than the minimum Eustachian distance in the W modulation condition between two modulation conditions, receiver
The probability of correct decoding is enhanced.
As one embodiment, second wireless singal and the first wireless signal correspond to identical upper layer bit packet.As this
One sub- embodiment of embodiment, the upper layer bit packet are a transmission blocks.As a sub- embodiment of the embodiment, institute
Stating upper layer bit packet is multiple transmission blocks.As a sub- embodiment of the embodiment, the upper layer bit packet includes multiple MAC
The information bit of (Medium Access Control, centre access control) layer.
As one embodiment, the target receiver of the first wireless signal is the target receiver of second wireless singal.Make
Division for one embodiment, the modulation condition group is determined by { W, W1, V, N1 }.As one embodiment, the modulation shape
1 modulation condition is included at least in state group.As one embodiment, at least 2 tune in the W1 modulation condition group
Included number of modulation states is different in state group processed.As one embodiment, each modulation in the W1 modulation condition group
It include W/W1 modulation condition in state group.
As one embodiment, the bit in the L1 bit group is all (after channel coding) system
(Systematic) bit.The essence of the present embodiment is only to send to retransmit signal to information bit, saves interface-free resources.This
Outside, the present embodiment makes recipient when decoding the first wireless signal using viterbi algorithm, according to the finger of second wireless singal
Show to reduce and fall part searches path, and then improves decoding performance.
As one embodiment, the first physical layer bit packet further includes verification (Parity) bit.
It further include the bit group except the L1 bit group as one embodiment, in the first physical layer bit packet.This
The essence of embodiment is that first node only retransmits partial bit group in the first physical layer bit packet.
As one embodiment, the first wireless signal is first of upper layer bit packet corresponding to the first physical layer bit packet
Secondary transmission.As one embodiment, the first wireless signal is the P time of upper layer bit packet corresponding to the first physical layer bit packet
It sends, the P is greater than 1.
As one embodiment, first node is UE (User Equipment, user equipment), the first wireless signal and
Two wireless signals all transmit on PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel).
As one embodiment, first node is base station, and the first wireless signal and second wireless singal are all in PDSCH
It is transmitted on (Physical Downlink Shared Channel, Physical Downlink Shared Channel).
As one embodiment, the M1 is 2 positive integer power.
As one embodiment, the H is 2 times of N.The H dimension includes N number of 2 dimension, and the N is positive integer, 2 dimension
Corresponding I/Q plane (I axis and Q axis respectively represent two-way carrier wave orthogonal each other).
As one embodiment, the V is 1, and the modulation condition is a constellation point in the first planisphere.
As one embodiment, the V is greater than 1, includes V N1 n-dimensional subspace n, the modulation condition in the H dimension space
Projection on the N1 n-dimensional subspace n is a constellation point in the first planisphere.
Following benefit can be obtained greater than 1 by being equal to 1, V compared to V:
- is that second wireless singal is distributed under conditions of identical interface-free resources, when V is greater than 1, gives modulation condition in institute
A possibility that modulation condition group of category is by mistaken verdict is lower.
- provides more possibility-for the interface-free resources that second wireless singal can occupy and provides the weight that can more reduce
Pass size.As one embodiment, N1 2, V 1, K1 2, the first planisphere is 4QAM, M1 4, W 4, if W1 is 2
Positive integer power, then W1 is only 2.As another embodiment, N1 2, V 2, K1 4, the first planisphere is 4QAM,
M1 is 4, W 16, if W1 is 2 positive integer power, W1 can be 2 or 3.
Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps:
Step A1. first node receives third wireless signal, determines the W1 according to third wireless signal.
Wherein, the sender of third wireless signal is the target receiver of the first wireless signal.
The essence of the above method is that the target receiver assists first node to determine the second nothing by sending feedback information
The occupied radio resource of line signal.
As one embodiment, third wireless signal also indicates the corresponding upper layer bit packet of the first wireless signal and fails by just
Really decoding.
As one embodiment, the first wireless signal and the respective scheduling DCI (Downlink of second wireless singal
Control Information, Downlink Control Information) association RNTI (Radio Network Temporary Identity,
The tentative mark of wireless network) it is all the RNTI for being assigned to the target receiver.As one embodiment, the first wireless signal
All with the generation parameter of the DMRS (Demodulation Reference Signal, demodulated reference signal) of second wireless singal
RNTI including being assigned to the target receiver.
As one embodiment, first node is base station, the target receiver of the first wireless signal and second wireless singal
It is UE.As one embodiment, third wireless signal is in PUCCH (Physical Uplink Control Channel, physics
Uplink control channel) on transmit or third wireless signal transmits on PUSCH.
As one embodiment, the first wireless signal, second wireless singal and third wireless signal respectively in the first subframe,
It is transmitted in second subframe and third subframe.Third subframe is the f1 subframe after the first subframe, and the second subframe is third
The f2 subframe after frame.The f1 is positive integer, and the f2 is positive integer.
As one embodiment, the value for the W1 that the instruction of third wireless signal is recommended.
As one embodiment, third wireless signal indicates the auxiliary information for determining the W1.As the present embodiment
A sub- embodiment, the auxiliary information be recommend the re-transmission wireless signal for the upper layer bit packet it is occupied
The quantity of PRB (Physical Resource Block, Physical Resource Block).It is described as a sub- embodiment of the present embodiment
Auxiliary information is the quantized value of the soft bit reliability information of the first wireless signal.As a sub- embodiment of the present embodiment,
The auxiliary information is that the recipient of the first wireless signal is averaged according to what is calculated when receiving upper layer bit packet described in signal interpretation
The quantized value of LLR (Log Likelihood Ratio, log-likelihood ratio).
Specifically, according to an aspect of the present invention, which is characterized in that the step B further includes following steps:
Step B1. sends the 4th wireless signal, and the 4th wireless signal indicates at least described in { W1, the V }
W1。
As one embodiment, the 4th wireless signal PDCCH (Physical Downlink Control Channel,
Physical Downlink Control Channel) on transmit.As one embodiment, the 4th wireless signal is the scheduling DCI of second wireless singal
(Downlink Control Information, Downlink Control Information).As one embodiment, the 4th wireless signal is high-rise
Signaling is transmitted on PDSCH.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step C. sends the 5th wireless signal, and the 5th wireless signal indicates at least first message in following information:
- first message: modulation condition subgroup belonging to the corresponding modulation condition of L1 bit group
- second message: J, wherein the modulation condition in each modulation condition group is divided into the J modulation shapes
State subgroup, the J are positive integers.
The essence of above-mentioned aspect is: if receiver is still unable to the ratio of upper layer described in correct decoding according to second wireless singal
Spy's packet, by the exquisite division modulation condition group, subsequent the 5th wireless signal that can retransmit of first node is by the W1
A modulation condition group be divided into W1*J modulation condition subgroup-further increase lowest modulation state in modulation condition subgroup it
Between Euclidean distance.
As one embodiment, the 5th wireless signal includes first message and second message, and first message is uploaded in PDSCH
Defeated, second message is transmitted on PDCCH or EPDCCH.As one embodiment, the J is 2 positive integer power.
As one embodiment, the V is 1, the Euclidean between lowest modulation state in the modulation condition subgroup away from
From the Euclidean distance between the lowest modulation state being greater than in the modulation condition group.
Specifically, according to an aspect of the present invention, which is characterized in that the N1 is 2 times of N, the first modulation symbol point
Cloth is on N number of resource units.Projection of first planisphere in the corresponding I/Q plane of each resource units is xQAM constellation
Figure, or planisphere obtained from first angle is rotated as xQAM planisphere.The x is 2 positive integer power, the modulation
State group includes W/W1 modulation condition, and the W/W1 is 2 positive integer power, and first angle is greater than 0 degree (Degree) and is less than
90 degree.The N is positive integer.
The Euclidean distance phase between lowest modulation state as one embodiment, in each described modulation condition group
Deng.As one embodiment, the modulation condition subgroup includes W/ (W1*J) a modulation condition.
As one embodiment, the V the first modulation symbols are distributed on N*V resource units.Implement as one
Example, the V the first modulation symbols are superimposed upon on N number of resource units.As one embodiment, the N1 is 2, the first star
Seat figure is xQAM planisphere or the first planisphere is to rotate planisphere obtained from first angle as xQAM planisphere.
As one embodiment, the resource units are RE (Resource Element, resource particles).As a reality
Example is applied, the resource units include one section of sequential time slices in time-domain, include one section of sequential frequency band in frequency domain.As one
A embodiment, the resource units (are sent by an antenna port) in the corresponding antenna port of spatial domain.As one
Embodiment, the resource units correspond to mutiple antennas port (being sent by mutiple antennas port) in spatial domain.
As one embodiment, the V is 1, and the modulation condition is a constellation point in the first planisphere.
Specifically, according to an aspect of the present invention, which is characterized in that the N1 is 2 times of N, the first modulation symbol point
Cloth is on N number of resource units.The N is positive integer.Throwing of first planisphere in the I/Q plane on each resource units
Shadow is the planisphere except square planisphere and rectangle planisphere, and at least there are two modulation in the W1 modulation condition group
Constellation point number in state group is unequal.
As one embodiment, the N1 be 2, the first planisphere be hexagon planisphere (bibliography:
G.D.Forney,R.G.Gallager,G.R.Lang,F.M.Longstaff,and S.U.Qureshi,“Efficient
modulation for band-limited channels,"IEEE J.Sel.Areas Commun.,Sep.1984.).Make
For one embodiment, the V the first modulation symbols are distributed on N*V resource units.As one embodiment, the V
First modulation symbol is superimposed upon on N number of resource units.
Specifically, according to an aspect of the present invention, which is characterized in that first node is user equipment or first segment
Point is base station equipment.
As one embodiment, first node is that the target receiver of user equipment and the first wireless signal is that base station is set
It is standby.As one embodiment, first node is that the target receiver of base station equipment and the first wireless signal is user equipment.
Specifically, according to an aspect of the present invention, which is characterized in that the bit in the L1 bit group is all system
Bit.
The invention discloses a kind of methods of wireless communication, wherein includes the following steps:
Step A. second node receives the first wireless signal
Step B. second node receives second wireless singal
Wherein, the first wireless signal includes the signal modulated by the first physical layer bit packet and generated, the first physical layer ratio
Include L1 bit group in spy's packet, includes K1 bit in the bit group, the bit group is modulated into W modulation condition
One.The W modulation condition is divided into W1 modulation condition group.Second wireless singal indicates that the L1 bit group is each
Modulation condition group belonging to self-corresponding modulation condition.The bit group is modulated into V the first modulation symbols, the first modulation symbol
A constellation point number being mapped in the first planisphere.First planisphere is N1 dimension, and the first planisphere is by M1 constellation point group
At.The modulation condition is a point in H dimension space.Minimum Euclidean in the modulation condition group between two modulation conditions
Distance is greater than the minimum Eustachian distance in the W modulation condition between two modulation conditions.The K1 power that the W is 2, it is described
L1 is positive integer, and the K1 is positive integer, and the W1 is less than the positive integer of W, and the H is the product of N1 and V, and the N1 is just
Integer, the V are positive integers, and the M1 is positive integer.
As one embodiment, second node is UE.As one embodiment, second node is base station.
The invention discloses a kind of equipment for wireless communication, wherein including following module:
First module: for sending the first wireless signal
Second module: for sending second wireless singal
Wherein, the first wireless signal includes the signal modulated by the first physical layer bit packet and generated, the first physical layer ratio
Include L1 bit group in spy's packet, includes K1 bit in the bit group, the bit group is modulated into W modulation condition
One.The W modulation condition is divided into W1 modulation condition group.Second wireless singal indicates that the L1 bit group is each
Modulation condition group belonging to self-corresponding modulation condition.The bit group is modulated into V the first modulation symbols, the first modulation symbol
A constellation point number being mapped in the first planisphere.First planisphere is N1 dimension, and the first planisphere is by M1 constellation point group
At.The modulation condition is a point in H dimension space.Minimum Euclidean in the modulation condition group between two modulation conditions
Distance is greater than the minimum Eustachian distance in the W modulation condition between two modulation conditions.The K1 power that the W is 2, it is described
L1 is positive integer, and the K1 is positive integer, and the W1 is less than the positive integer of W, and the H is the product of N1 and V, and the N1 is just
Integer, the V are positive integers, and the M1 is positive integer.
As one embodiment, the first wireless signal is to send first time relevant with upper layer bit packet, the upper layer ratio
Spy's packet is in the corresponding first physical layer bit packet of physical layer.
As one embodiment, the first wireless signal is the Q times transmission relevant with upper layer bit packet, and the Q is greater than 1,
The upper layer bit packet is in the corresponding first physical layer bit packet of physical layer.
As one embodiment, above equipment is characterized in that, the equipment further include:
Third module: for receiving third wireless signal, the W1 is determined according to third wireless signal.
Wherein, the sender of third wireless signal is the target receiver of the first wireless signal.
As one embodiment, the above-mentioned equipment for wireless communication is characterized in that: the setting for wireless communication
For the target receiver for being user equipment and the first wireless signal be base station equipment or the equipment for wireless communication is
The base station equipment and target receiver of the first wireless signal is user equipment.
The invention discloses a kind of equipment for wireless communication, wherein including following module:
First module: for receiving the first wireless signal
Second module: for receiving second wireless singal
Wherein, the first wireless signal includes the signal modulated by the first physical layer bit packet and generated, the first physical layer ratio
Include L1 bit group in spy's packet, includes K1 bit in the bit group, the bit group is modulated into W modulation condition
One.The W modulation condition is divided into W1 modulation condition group.Second wireless singal indicates that the L1 bit group is each
Modulation condition group belonging to self-corresponding modulation condition.The bit group is modulated into V the first modulation symbols, the first modulation symbol
A constellation point number being mapped in the first planisphere.First planisphere is N1 dimension, and the first planisphere is by M1 constellation point group
At.The modulation condition is a point in H dimension space.Minimum Euclidean in the modulation condition group between two modulation conditions
Distance is greater than the minimum Eustachian distance in the W modulation condition between two modulation conditions.The K1 power that the W is 2, it is described
L1 is positive integer, and the K1 is positive integer, and the W1 is less than the positive integer of W, and the H is the product of N1 and V, and the N1 is just
Integer, the V are positive integers, and the M1 is positive integer.
As one embodiment, above equipment is characterized in that, the equipment further include:
Third module: for sending third wireless signal, the instruction of third wireless signal is for determining that the auxiliary of the W1 is believed
Breath.
Wherein, the sender of third wireless signal is the target receiver of the first wireless signal.
Compared to existing public technology, the present invention has following technical advantage:
- retransmits signal and more effectively improves correct decoding probability under the premise of given interface-free resources
If-receiver is still unable to correct decoding according to second wireless singal, pass through the exquisite division modulation shape
State group, first node is subsequent can be retransmited wireless signal the modulation condition group is divided into more modulation conditions
Group-further increases the minimum constellation point distance in the modulation condition subgroup.Method i.e. described in the present invention can change
Substitute performance.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent:
Fig. 1 shows LTE according to an embodiment of the invention (Long Term Evolution, long term evolution) system
The flow chart of downlink transfer in system；
Fig. 2 shows the schematic diagrames that modulation condition according to an embodiment of the invention is a point of 4 dimension spaces；
Fig. 3 shows the flow chart of uplink retransmission in LTE system according to an embodiment of the invention；
Fig. 4 show the first planisphere according to an embodiment of the invention be 2 dimensions and be rotation 16QAM signal
Figure；
Fig. 5 show the first planisphere according to an embodiment of the invention be 2 dimensions and be 16QAM schematic diagram；
Fig. 6 show the first planisphere according to an embodiment of the invention be 2 dimensions and be 6 side shape planispheres signal
Figure；
Fig. 7 shows the structural block diagram of the processing unit in first node according to an embodiment of the invention；
Fig. 8 shows the structural block diagram of the processing unit in second node according to an embodiment of the invention；
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with attached drawing, it should be noted that do not rushing
In the case where prominent, the feature in embodiments herein and embodiment can be arbitrarily combined with each other.
Embodiment 1
Embodiment 1 illustrates the flow chart of downlink transfer in LTE system, as shown in Fig. 1.In attached drawing 1, base station N1 is UE
The maintenance base station of the serving cell of U2, wherein the step in box T1 is optional step.
ForBase station N1, the first wireless signal is sent in step s 11, receives third wireless signal in step s 12,
Second wireless singal is sent in step S13.ForUE U2, the first wireless signal is received in the step s 21, is sent out in step S22
Third wireless signal is sent, receives second wireless singal in step S23.
In embodiment 1, second wireless singal and the first wireless signal correspond to identical upper layer bit packet.First wireless signal
It include L1 bit group in the first physical layer bit packet including being modulated by the first physical layer bit packet and the signal of generation, it is described
It include K1 bit in bit group, the bit group is modulated into one in W modulation condition.The W modulation condition quilt
It is divided into W1 modulation condition group.Second wireless singal indicates tune belonging to the corresponding modulation condition of L1 bit group
State group processed.The bit group is modulated into V the first modulation symbols, and the first modulation symbol is mapped to one in the first planisphere
A constellation point.First planisphere is N1 dimension, and the first planisphere is made of M1 constellation point.The modulation condition is H dimension space
In a point.Minimum Eustachian distance in the modulation condition group between two modulation conditions is greater than the W modulation condition
In minimum Eustachian distance between two modulation conditions.The K1 power that the W is 2, the L1 is positive integer, and the K1 is just whole
Number, the W1 are less than the positive integer of W, and the H is the product of N1 and V, and the N1 is positive integer, and the V is positive integer, described
M1 is 2 positive integer power.Third wireless signal indicates the auxiliary information for determining the W1.
It include systematic bits and check bit in the first physical layer bit packet as the sub- embodiment 1 of embodiment 1, it is described
Bit in L1 bit group is all systematic bits.One sub- embodiment of the sub- embodiment 1 as the embodiment 1, first
It include all systematic bits that the upper layer bit packet generates after channel coding in physical layer bit packet.
As the sub- embodiment 2 of embodiment 1, third wireless signal is also indicated on described (after the first wireless signal of reception)
Layer bit packet fails to be correctly received.
As the sub- embodiment 3 of embodiment 1, second wireless singal is by the second physical layer bit packet according to the second planisphere
It modulates, includes systematic bits and check bit, the system ratio in the second physical layer bit packet in the second physical layer bit packet
Spy is used to indicate modulation condition group belonging to the corresponding modulation condition of L1 bit group.
As the sub- embodiment 4 of embodiment 1, base station N1 sends the 4th wireless signal in step s 130, and UE U2 is in step
The 4th wireless signal is received in S230.4th wireless signal indicates the W1 and V.Sub- embodiment 4 as embodiment 1
One sub- embodiment, the 4th wireless signal is on PDCCH or EPDCCH (Enhanced PDCCH, the PDCCH of enhancing) is uploaded
It is defeated.Another sub- embodiment of the sub- embodiment 4 as embodiment 1, the V are indicated that the W1 is by physical layer by high-level signaling
Signaling instruction.
As the sub- embodiment 5 of embodiment 1, the first wireless signal and second wireless singal are transmitted on PDSCH, third without
Line signal transmits on PUSCH or PUCCH.
As the sub- embodiment 6 of embodiment 1, the coding mode of the first wireless signal and second wireless singal use is { volume
Product code, Turbo code, LDPC (Low Density Parity Check Code, loe-density parity-check code code } in one.
Embodiment 2
Embodiment 2 illustrates the schematic diagram that modulation condition is a point of 4 dimension spaces, as shown in Fig. 2.
In embodiment 2, the modulation condition in the present invention is carried by 2 resource units, and the modulation condition is each
Projection in the corresponding I/Q plane of resource units is all a constellation point in 4QAM planisphere.Attached drawing 2 (a) and attached drawing 2 (b)
Illustrate respectively be I/Q plane of the modulation condition on 2 resource units possible projected position, the wherein star of 4QAM
Number of the seat o'clock in 2 dimension I/Q planes is respectively { 1,2,3,4 }.In the present embodiment, (e, r) indicates constellation point in 2 resource lists
The respective constellation point number of the projection in I/Q plane on position is respectively e and r, as shown in Fig. 2.
Sub- embodiment 1 as embodiment 2, the present invention in the V be 1, the N1 be 4, i.e., the present invention in it is described
Bit group is modulated into 1 the first modulation symbol, and the first modulation symbol is mapped to the constellation point (i.e. one in the first planisphere
A modulation condition).First planisphere is 4 dimensions.The K1 in the present invention is 2, and the M1 is 4, and the W is 4, and the W1 is
2.Four constellation points of the first planisphere are divided into 2 modulation condition groups.
One sub- embodiment of the sub- embodiment 1 as embodiment 2, four constellation points of the first planisphere are as follows: (1,1),
(4,4), (Isosorbide-5-Nitrae), (4,1).One modulation condition group includes modulation condition (i.e. constellation point): (1,1), (4,4)；Another modulation
State group includes modulation condition (Isosorbide-5-Nitrae), (4,1).
Another sub- embodiment of the sub- embodiment 1 as embodiment 2, four constellation points of the first planisphere are as follows: (2,
2), (3,3), (2,3), (3,2).One modulation condition group includes modulation condition (i.e. constellation point): (2,2), (3,3)；Another
Modulation condition group includes modulation condition (2,3), (3,2).
In the sub- embodiment of the sub- embodiment 1 of above-mentioned two embodiment 2, Euclidean between the smallest constellation point in modulation condition group
Away from (constellation point (1,1) to (4,4) Euclidean space away from) be the first planisphere the smallest constellation point between Euclidean away from (constellation point
(1,1) to (Isosorbide-5-Nitrae) Euclidean space away from)Times.
Sub- embodiment 2 as embodiment 2, the present invention in the V be 2, the N1 be 2, i.e., the present invention in it is described
Bit group is modulated into 2 the first modulation symbols, and the first modulation symbol is mapped to a constellation point in the first planisphere.First
Planisphere is 2 dimensions.Correspondingly, the K1 in the present invention is 4, the M1 is 4, and the W is 16, and the W1 is { 2,4,8 }
In one.The bit group is modulated into one in 16 modulation conditions.
One sub- embodiment of the sub- embodiment 2 as embodiment 2, when the W1 is 2,4,8,16 modulation conditions
It is divided into 2,4,8 modulation condition groups respectively, as shown in Table 1:
Table 1:W1vs. modulation condition group
In table 1, (e, r) indicates respective constellation of corresponding 2 the first modulation symbols of modulation condition in I/Q plane
Point number is respectively e and r.
In table 1, when W1 is 2, in modulation condition group between the smallest modulation condition Euclidean away from (modulation condition (1,1) to (2,
2) Euclidean space away from) be in 16 modulation conditions between the smallest modulation condition Euclidean away from (modulation condition (1,1) to (1,
2) Euclidean space away from) 2 times.When W1 is 8, in modulation condition group between the smallest modulation condition Euclidean away from (modulation condition (1,1)
To (4,4) Euclidean space away from) be in 16 modulation conditions between the smallest modulation condition Euclidean away from (modulation condition (1,1)
To (1,2) Euclidean space away from) 2 times.
The sub- embodiment 1 of embodiment 2 and the difference of sub- embodiment 2 are corresponding first modulation symbol of a modulation condition
The former is 1 to number-, and the latter 2.
Embodiment 3
Embodiment 3 illustrates the flow chart of uplink retransmission in LTE system, as shown in Fig. 3.In attached drawing 3, base station N3 is UE
The maintenance base station of the serving cell of U4.
ForUE U4, second wireless singal is sent in step S41, the 6th wireless signal is received in step S42,
The 5th wireless signal is sent in step S43.ForBase station N3, second wireless singal is received in step S31, in step s 32
The 6th wireless signal is sent, the 5th wireless signal is received in step S33.
In embodiment 3, second wireless singal and (before second wireless singal, being sent to base station N3's by UE U4) the
One wireless signal corresponds to identical upper layer bit packet.First wireless signal includes being modulated by the first physical layer bit packet and being generated
Signal, includes L1 bit group in the first physical layer bit packet, and including K1 bit in the bit group, the bit group is adjusted
It is made one in W modulation condition.The W modulation condition is divided into W1 modulation condition group.Second wireless singal refers to
Show modulation condition group belonging to the corresponding modulation condition of L1 bit group.The bit group is modulated into V first
Modulation symbol, the first modulation symbol are mapped to a constellation point in the first planisphere.First planisphere is N1 dimension, the first star
Seat figure is made of M1 constellation point.The modulation condition is a point in H dimension space.Two modulation in the modulation condition group
Minimum Eustachian distance between state is greater than the minimum Eustachian distance in the W modulation condition between two modulation conditions.Institute
The K1 power that W is 2 is stated, the L1 is positive integer, and the K1 is positive integer, and the W1 is less than the positive integer of W, and the H is N1
With the product of V, the N1 is positive integer, and the V is positive integer, and the M1 is positive integer.5th wireless signal instruction first disappears
Breath: modulation condition subgroup belonging to the corresponding modulation condition of L1 bit group.
6th wireless signal indicates at least one of:
- (after reception second wireless singal) the upper layer bit coating mistake decoding
-.J.Wherein, the modulation condition in each modulation condition group is divided into the J modulation condition subgroups, institute
Stating J is positive integer.
As the sub- embodiment 1 of embodiment 3, the 6th wireless signal is in PHICH (Physical HARQ Indicator
Channel, Physical HARQ Indicator Channel) either transmit on PDCCH or EPDCCH.
As the sub- embodiment 2 of embodiment 3, second wireless singal and the 5th wireless signal transmit on PUSCH.
As the sub- embodiment 3 of embodiment 3, the J is equal to 2 positive integer power.
As the sub- embodiment 4 of embodiment 3, the W is 16, and the W1 is 2, and the W1 modulation condition group is table 1
Modulation condition group when middle W1 is 2.The J is 4, and the modulation condition subgroup is modulation condition group when W1 is 8 in table 1.
In book embodiment, the division of the modulation condition subgroup is based on the modulation condition group.
Embodiment 4
Embodiment 4 illustrate the first planisphere be 2 dimensions and be rotation 16QAM schematic diagram, as shown in Fig. 4.
In embodiment 4, { V, N1, K1, W, W1, the M1 } in the present invention is respectively { 1,2,4,16,2,16 }.First star
Seat figure is to rotate first angle counterclockwise by 16QAM to obtain.First modulation symbol carries (Convey) by a resource units.The
16 constellation points (modulation condition) in one planisphere are divided into 2 modulation condition groups, wherein 8 constellation point categories of dotted line connection
In a modulation condition group, remaining 8 constellation point belongs to another modulation condition group.
In embodiment 4, L1 systematic bits in second wireless singal are respectively used to indicate L1 the first modulation symbols
Corresponding modulation condition group, the L1 the first modulation symbols modulated respectively by the L1 bit group in the present invention and
At.
If under the premise of identical code rate and modulation system, the occupied resource of second wireless singal (if
Check bit in first wireless signal is not retransmitted) it is less than or (if the check bit in the first wireless signal is weighed
Pass) it is equal to 1/4 of resource occupied by the first wireless signal, it significantly reduces and retransmits occupied radio resource.And the L1
The equivalent SINR of first modulation symbol has been enhanced 3dB (the Euclidean distance phase between lowest modulation state in modulation condition group
It is increased than the Euclidean distance between the minimum constellation point of the first planisphereTimes).
Embodiment 5
Embodiment 5 illustrate the first planisphere be 2 dimensions and be 16QAM schematic diagram, as shown in Fig. 5.
In embodiment 5, { V, N1, K1, W, W1, the M1 } in the present invention is respectively { 1,2,4,16,4,16 }.First star
Seat figure is to rotate first angle counterclockwise by 16QAM to obtain.First modulation symbol carries (Convey) by a resource units.The
16 constellation points (modulation condition) in one planisphere are divided into 4 modulation condition groups.Include in 4 modulation condition groups
Modulation condition is connected by the line segment for identifying { 1,2,3,4 } respectively.
In embodiment 5, under the premise of identical code rate and modulation system, the occupied resource of second wireless singal
Less than or equal to 1/2 of resource occupied by the first wireless signal.And the equivalent SINR of the L1 the first modulation symbols is mentioned
(the distance between lowest modulation state in modulation condition group is compared between the minimum constellation point of the first planisphere by high 6dB
Distance increases 2 times).
Embodiment 6
Embodiment 6 illustrate the first planisphere be 2 dimensions and be 6 side shape planispheres schematic diagram, as shown in Fig. 6.
In attached drawing 6, { V, N1, K1, W, W1, the M1 } in the present invention is respectively { 1,2,2,4,3,3 }.First modulation symbol
It number is carried by 1 resource units, 4 constellation points in the first planisphere in the present invention are divided into 3 modulation condition groups.It is described
The constellation point number for including in 3 modulation condition groups is respectively { 1,2,3 }.
In embodiment 6, second wireless singal includes the second modulation symbol of positive integer, corresponding second star of the second modulation symbol
Seat figure, the second planisphere is 2 dimensions, includes three vertex that 3 constellation points-are equilateral triangle in I/Q plane.Second nothing
L1 the second modulation symbols in line signal are used to indicate that modulation condition group corresponding to L1 the first modulation symbols, the L1
A first modulation symbol is modulated by the L1 bit group in the present invention respectively.
Embodiment 7
Embodiment 7 illustrates the structural block diagram of the processing unit in first node, as shown in Fig. 7.In attached drawing 7, processing
Device 100 is mainly made of sending module 101, receiving module 102 and sending module 103.
Sending module 101 is sent for sending the first wireless signal, receiving module 102 for receiving third wireless signal
Module 103 is for sending second wireless singal.
In embodiment 7, second wireless singal and the first wireless signal correspond to identical upper layer bit packet, the first wireless signal
It is the first time transmission of the upper layer bit packet.First wireless signal includes the letter modulated by the first physical layer bit packet and generated
Number, include L1 bit group in the first physical layer bit packet, includes K1 bit in the bit group, the bit group is modulated
At one in W modulation condition.The W modulation condition is divided into W1 modulation condition group.Second wireless singal instruction
Modulation condition group belonging to the corresponding modulation condition of L1 bit group.The bit group is modulated into V first and adjusts
Symbol processed, the first modulation symbol are mapped to a constellation point in the first planisphere.First planisphere is N1 dimension, the first constellation
Figure is made of M1 constellation point.The modulation condition is a point in H dimension space.Two modulation shapes in the modulation condition group
Minimum Eustachian distance between state is greater than the minimum Eustachian distance in the W modulation condition between two modulation conditions.The W
For 2 K1 power, the L1 is positive integer, and the K1 is positive integer, and the W1 is less than the positive integer of W, and the H is N1 and V
Product, the N1 is positive integer, and the V is positive integer, and the M1 is positive integer.
Third wireless signal indicates at least one of:
The coating mistake decoding of upper layer bit described in-
- is used to determine the auxiliary information of the W1.
The sender of third wireless signal is the target receiver of the first wireless signal.The intended recipient of first wireless signal
Person is the target receiver of second wireless singal.
As the sub- embodiment 1 of embodiment 7, sending module 103 is also used to send the 5th wireless signal, the 5th wireless signal
Indicate at least first message in following information:
- first message: modulation condition subgroup belonging to the corresponding modulation condition of L1 bit group
- second message: J, the J are the modulation that the modulation condition in each modulation condition group is divided into
The quantity of state subgroup, the J are positive integers.
As the sub- embodiment 2 of embodiment 7, the bit in the L1 bit group is all systematic bits.
As the sub- embodiment 3 of embodiment 7, sending module 103 is also used to send the 4th wireless signal, the 4th wireless signal
Indicate at least described W1 in { W1, the V }.
As the sub- embodiment 4 of embodiment 7, first node is UE, and the recipient of the first wireless signal is base station.
As the sub- embodiment 5 of embodiment 7, first node is base station, and the recipient of the first wireless signal is UE.
Embodiment 8
Embodiment 8 illustrates the structural block diagram of the processing unit in second node, as shown in Fig. 8.In attached drawing 8, processing
Device 200 is mainly made of receiving module 201, sending module 202 and receiving module 203.
Receiving module 201 is for receiving the first wireless signal, and sending module 202 is for sending third wireless signal, third
Wireless signal indicates at least one of:
The coating mistake decoding of upper layer bit described in-
- is used to determine the auxiliary information of W1.
Receiving module 203 is for receiving second wireless singal
In embodiment 8, the first wireless signal includes the signal modulated by the first physical layer bit packet and generated, the first physics
Include L1 bit group in layer bit packet, includes K1 bit in the bit group, the bit group is modulated into W modulation shape
One in state.The W modulation condition is divided into W1 modulation condition group.Second wireless singal indicates the L1 bit
Modulation condition group belonging to the corresponding modulation condition of group.The bit group is modulated into V the first modulation symbols, and first adjusts
Symbol processed is mapped to a constellation point in the first planisphere.First planisphere is N1 dimension, and the first planisphere is by M1 constellation
Point composition.The modulation condition is a point in H dimension space.Minimum in the modulation condition group between two modulation conditions
Euclidean distance is greater than the minimum Eustachian distance in the W modulation condition between two modulation conditions.The K1 power that the W is 2,
The L1 is positive integer, and the K1 is positive integer, and the W1 is less than the positive integer of W, and the H is the product of N1 and V, the N1
It is positive integer, the V is positive integer, and the M1 is positive integer.The recipient of third wireless signal is the hair of the first wireless signal
The person of sending.The sender of first wireless signal is the sender of second wireless singal.
As the sub- embodiment 1 of embodiment 8, second node is the terminal for supporting Wifi.
As the sub- embodiment 2 of embodiment 8, the first wireless signal is to send the first time of the upper layer bit packet.
As the sub- embodiment 3 of embodiment 8, the N1 is 2 times of N, and the first modulation symbol is distributed in N number of resource units
On.Projection of first planisphere in the corresponding I/Q plane of each resource units is xQAM planisphere, or by xQAM
Planisphere rotates planisphere obtained from first angle.The x is 2 positive integer power, and the modulation condition group includes W/W1
A modulation condition, the W/W1 are 2 positive integer power, and first angle is greater than 0 degree less than 90 degree.The N is positive integer.
As the sub- embodiment 4 of embodiment 8, the N1 is 2 times of N, and the first modulation symbol is distributed in N number of resource units
On.The N is positive integer.Projection of first planisphere in the I/Q plane on each resource units is square constellation
Planisphere except figure and rectangle planisphere, in the W1 modulation condition group at least there are two constellation in modulation condition group
Point number is unequal.
Those of ordinary skill in the art will appreciate that all or part of the steps in the above method can be referred to by program
Related hardware is enabled to complete, described program can store in computer readable storage medium, such as read-only memory, hard disk or light
Disk etc..Optionally, one or more integrated circuit can be used also to realize in all or part of the steps of above-described embodiment.Phase
It answers, each modular unit in above-described embodiment, can be realized using example, in hardware, it can also be by the form of software function module
It realizes, the application is not limited to the combination of the software and hardware of any particular form.UE or terminal in the present invention include but not
It is limited to mobile phone, tablet computer, notebook, card of surfing Internet, the wireless telecom equipments such as automobile.Base station in the present invention includes but is not limited to
Macrocell base stations, microcell base station, Home eNodeB, the wireless telecom equipments such as relay base station.The embodiment of the present invention is mainly base
In LTE system, however the scope of application of the invention further includes the wireless communication that (but being not limited to) arbitrarily supports HARQ or ARQ
System (such as Wifi, Wimax, following 5G communication system etc.).
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification made, equivalent replacement, improve etc., it should be included in protection of the invention
Within the scope of.
Claims (12)
1. a kind of method of wireless communication, wherein include the following steps:
Step A. first node sends the first wireless signal；
Step B. first node sends second wireless singal；
Wherein, the first wireless signal includes the signal modulated by the first physical layer bit packet and generated, the first physical layer bit packet
In include L1 bit group, including K1 bit in the bit group, the bit group is modulated into one in W modulation condition
It is a；The W modulation condition is divided into W1 modulation condition group；Second wireless singal indicates that the L1 bit group is respectively right
Modulation condition group belonging to the modulation condition answered；The bit group is modulated into V the first modulation symbols, and the first modulation symbol reflects
A constellation point being mapped in the first planisphere；First planisphere is N1 dimension, and the first planisphere is made of M1 constellation point；Institute
Stating modulation condition is a point in H dimension space；Minimum Eustachian distance in the modulation condition group between two modulation conditions
Greater than the minimum Eustachian distance between two modulation conditions in the W modulation condition；The K1 power that the W is 2, the L1 are
Positive integer, the K1 are positive integers, and the W1 is less than the positive integer of W, and the H is the product of N1 and V, and the N1 is just whole
Number, the V are greater than 1 positive integer, include V N1 n-dimensional subspace n in the H dimension space, the modulation condition is tieed up in the N1
Projection on subspace is a constellation point in the first planisphere, and the M1 is positive integer.
2. the method according to claim 1, wherein the step A further includes following steps:
Step A1. first node receives third wireless signal, determines the W1 according to third wireless signal；
Wherein, the sender of third wireless signal is the target receiver of the first wireless signal.
3. method according to claim 1 or 2, which is characterized in that the step B further includes following steps:
Step B1. sends the 4th wireless signal, and the 4th wireless signal indicates at least described W1 in { W1, the V }.
4. the method according to claim 1, wherein further including following steps:
Step C. sends the 5th wireless signal, and the 5th wireless signal indicates at least first message in following information:
- first message: modulation condition subgroup belonging to the corresponding modulation condition of L1 bit group
- second message: J, wherein the modulation condition in each modulation condition group is divided into J modulation condition
Group, the J are positive integers.
5. method according to claim 1 or 4, which is characterized in that the N1 is 2 times of N, and the first modulation symbol is distributed in
On N number of resource units；Projection of first planisphere in the corresponding I/Q plane of each resource units is xQAM planisphere,
Planisphere obtained from first angle is either rotated as xQAM planisphere；The x is 2 positive integer power, the modulation shape
State group includes W/W1 modulation condition, and the W/W1 is 2 positive integer power, and first angle is greater than 0 degree less than 90 degree；The N
It is positive integer.
6. method according to claim 1 or 4, which is characterized in that the N1 is 2 times of N, and the first modulation symbol is distributed in
On N number of resource units；The N is positive integer；Projection of first planisphere in the I/Q plane on each resource units be
Planisphere except square planisphere and rectangle planisphere, at least there are two modulation conditions in the W1 modulation condition group
Constellation point number in group is unequal.
7. the method according to claim 1, wherein first node is user equipment or first node is base
Station equipment.
8. the method according to claim 1, wherein the bit in the L1 bit group is all systematic bits.
9. a kind of method of wireless communication, wherein include the following steps:
Step A. second node receives the first wireless signal；
Step B. second node receives second wireless singal；
Wherein, the first wireless signal includes the signal modulated by the first physical layer bit packet and generated, the first physical layer bit packet
In include L1 bit group, including K1 bit in the bit group, the bit group is modulated into one in W modulation condition
It is a；The W modulation condition is divided into W1 modulation condition group；Second wireless singal indicates that the L1 bit group is respectively right
Modulation condition group belonging to the modulation condition answered；The bit group is modulated into V the first modulation symbols, and the first modulation symbol reflects
A constellation point being mapped in the first planisphere；First planisphere is N1 dimension, and the first planisphere is made of M1 constellation point；Institute
Stating modulation condition is a point in H dimension space；Minimum Eustachian distance in the modulation condition group between two modulation conditions
Greater than the minimum Eustachian distance between two modulation conditions in the W modulation condition；The K1 power that the W is 2, the L1 are
Positive integer, the K1 are positive integers, and the W1 is less than the positive integer of W, and the H is the product of N1 and V, and the N1 is just whole
Number, the V are greater than 1 positive integer, include V N1 n-dimensional subspace n in the H dimension space, the modulation condition is tieed up in the N1
Projection on subspace is a constellation point in the first planisphere, and the M1 is positive integer.
10. a kind of equipment for wireless communication, wherein including following module:
First module: for sending the first wireless signal；
Second module: for sending second wireless singal；
Wherein, the first wireless signal includes the signal modulated by the first physical layer bit packet and generated, the first physical layer bit packet
In include L1 bit group, including K1 bit in the bit group, the bit group is modulated into one in W modulation condition
It is a；The W modulation condition is divided into W1 modulation condition group；Second wireless singal indicates that the L1 bit group is respectively right
Modulation condition group belonging to the modulation condition answered；The bit group is modulated into V the first modulation symbols, and the first modulation symbol reflects
A constellation point being mapped in the first planisphere；First planisphere is N1 dimension, and the first planisphere is made of M1 constellation point；Institute
Stating modulation condition is a point in H dimension space；Minimum Eustachian distance in the modulation condition group between two modulation conditions
Greater than the minimum Eustachian distance between two modulation conditions in the W modulation condition；The K1 power that the W is 2, the L1 are
Positive integer, the K1 are positive integers, and the W1 is less than the positive integer of W, and the H is the product of N1 and V, and the N1 is just whole
Number, the V are greater than 1 positive integer, include V N1 n-dimensional subspace n in the H dimension space, the modulation condition is tieed up in the N1
Projection on subspace is a constellation point in the first planisphere, and the M1 is positive integer.
11. equipment according to claim 10, which is characterized in that the equipment further include:
Third module: for receiving third wireless signal, the W1 is determined according to third wireless signal；
Wherein, the sender of third wireless signal is the target receiver of the first wireless signal.
12. a kind of equipment for wireless communication, wherein including following module:
First module: for receiving the first wireless signal；
Second module: for receiving second wireless singal；
Wherein, the first wireless signal includes the signal modulated by the first physical layer bit packet and generated, the first physical layer bit packet
In include L1 bit group, including K1 bit in the bit group, the bit group is modulated into one in W modulation condition
It is a；The W modulation condition is divided into W1 modulation condition group；Second wireless singal indicates that the L1 bit group is respectively right
Modulation condition group belonging to the modulation condition answered；The bit group is modulated into V the first modulation symbols, and the first modulation symbol reflects
A constellation point being mapped in the first planisphere；First planisphere is N1 dimension, and the first planisphere is made of M1 constellation point；Institute
Stating modulation condition is a point in H dimension space；Minimum Eustachian distance in the modulation condition group between two modulation conditions
Greater than the minimum Eustachian distance between two modulation conditions in the W modulation condition；The K1 power that the W is 2, the L1 are
Positive integer, the K1 are positive integers, and the W1 is less than the positive integer of W, and the H is the product of N1 and V, and the N1 is just whole
Number, the V are greater than 1 positive integer, include V N1 n-dimensional subspace n in the H dimension space, the modulation condition is tieed up in the N1
Projection on subspace is a constellation point in the first planisphere, and the M1 is positive integer.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1742455A (en) * | 2003-02-13 | 2006-03-01 | 都科摩欧洲通信技术研究所有限公司 | Differential multiple-length transmit and reception diversity |
| CN102148796A (en) * | 2005-05-04 | 2011-08-10 | 松下电器产业株式会社 | Method for sending and receiving data bit streams by using 16-quadrature amplitude modulation (QAM) constellation, sending device and receiving device |
| CN102694765A (en) * | 2012-05-15 | 2012-09-26 | 北京航空航天大学 | Design method of non-2 integer power order QAM (quadrature amplitude modulation) |
| CN103036845A (en) * | 2012-12-05 | 2013-04-10 | 清华大学 | Non-equal probability constellation labeling method based on absolute phase shift keying (APSK) constellation diagram |
| CN106301677A (en) * | 2015-06-03 | 2017-01-04 | 上海朗帛通信技术有限公司 | A kind of repeating method for radio communication and device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1592191B1 (en) * | 2004-04-30 | 2007-06-06 | Sony Deutschland GmbH | Equalising structure and method with maximum likelihood detection |
-
2015
- 2015-06-07 CN CN201510308982.5A patent/CN106301707B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1742455A (en) * | 2003-02-13 | 2006-03-01 | 都科摩欧洲通信技术研究所有限公司 | Differential multiple-length transmit and reception diversity |
| CN102148796A (en) * | 2005-05-04 | 2011-08-10 | 松下电器产业株式会社 | Method for sending and receiving data bit streams by using 16-quadrature amplitude modulation (QAM) constellation, sending device and receiving device |
| CN102694765A (en) * | 2012-05-15 | 2012-09-26 | 北京航空航天大学 | Design method of non-2 integer power order QAM (quadrature amplitude modulation) |
| CN103036845A (en) * | 2012-12-05 | 2013-04-10 | 清华大学 | Non-equal probability constellation labeling method based on absolute phase shift keying (APSK) constellation diagram |
| CN106301677A (en) * | 2015-06-03 | 2017-01-04 | 上海朗帛通信技术有限公司 | A kind of repeating method for radio communication and device |
Non-Patent Citations (2)
| Title |
|---|
| QAM调制解调器的研究与实现;陈巍;《中国优秀硕士学位论文全文数据库信息科技辑》;20141115 * |
| 一种新的非2的整数幂阶的QAM调制设计;常承伟，刘荣科，段瑞枫;《电子学报》;20120531;第40卷(第5期) * |
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