CN106817196A - Data transmission method and base station - Google Patents
Data transmission method and base station Download PDFInfo
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- CN106817196A CN106817196A CN201611176662.XA CN201611176662A CN106817196A CN 106817196 A CN106817196 A CN 106817196A CN 201611176662 A CN201611176662 A CN 201611176662A CN 106817196 A CN106817196 A CN 106817196A
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- base station
- bit information
- signal
- soft bit
- decoding
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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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
- H04L1/0047—Decoding adapted to other signal detection operation
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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
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0091—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location arrangements specific to receivers, e.g. format detection
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention discloses a kind of data transmission method, for lifting the wireless performance of joint reception and the utilization rate of transmission bandwidth resource.Present invention method includes：First base station receives the signal that target terminal sends, and the target terminal belongs to the second base station；The first base station is demodulated to the signal and obtains soft bit information, and obtains hard bit information by entering row decoding to the soft bit information；The first base station judges whether the hard bit information that the decoding is obtained is correct；If so, then the first base station sends the hard bit information to second base station；If it is not, then the first base station sends the soft bit information to second base station.The embodiment of the present invention additionally provides a kind of base station, for lifting the wireless performance of joint reception and the utilization rate of transmission bandwidth resource.
Description
Technical field
The present embodiments relate to the communications field, more particularly to data transmission method and base station.
Background technology
In a wireless communication system, the wireless signal that a terminal for belonging to base station A sends, can be by base station A and base
The B that stands is received, and base station B is referred to as cooperative base station, and the information transfer that base station B will can be received is given base station A, then carried out by base station A
Joint reception processing.And the connection between base station A and base station B generally uses Internet protocol (IP, Internet Protocol)
Network connection, the bandwidth of IP based network connection generally relatively it is limited (<100Mbps), and base station B is transferred to the information of base station A
Required bandwidth is usual than larger, so as to cause joint receptivity to be limited to the network bandwidth.
In order to reduce bandwidth demand, base station B can be carried out prior art after the signal for receiving terminal transmission to the signal
Demodulation decoding obtains hard bit information, then gives base station A by hard bit information transfer, and selection combining is carried out by base station A.
But due to cooperative base station, i.e. base station B demodulates correct probability generally than relatively low, therefore using the side of selection combining
Formula carries out joint reception, can reduce the wireless performance that joint is received.
The content of the invention
Data transmission method and device are the embodiment of the invention provides, for lifting wireless performance and the biography that joint is received
The utilization rate of defeated bandwidth resources.
In view of this, the first aspect of the embodiment of the present invention provides a kind of data transmission method, including：
First base station is received and belongs to the signal that the target terminal of the second base station sends, and first base station is solved to the signal
Tune obtains soft bit information, and obtains hard bit information by entering row decoding to the soft bit information.Then first base station is sentenced again
Whether whether the hard bit information that obtains of the decoding of breaking correct, i.e., correctly judge decoding result, when it is determined that the hard bit information just
Really, i.e., when decoding result is correct, first base station sends the hard bit information to the second base station；When it is determined that the hard bit information is wrong
By mistake, that is, when decoding result mistake, first base station sends the soft bit information that demodulation is obtained to the second base station.
In the embodiment of the present invention, after the signal that the terminal that first base station receives the second base station of ownership sends, to the signal
It is demodulated and obtains soft bit information, entering row decoding to the soft bit information obtains hard bit information, then judges to decode what is obtained
Whether hard bit information is correct, if so, then first base station sends the hard bit information to the second base station, if it is not, then first base station
The soft bit information is sent to the second base station.That is, embodiment of the present invention first base station can be sentenced to decoding result
It is disconnected, correct hard bit information transfer will be decoded to the second base station, soft bit information is then transferred to the second base station by decoding error,
The wireless performance that joint is received can either be lifted, the utilization rate of improving transmission bandwidth resource is capable of again.
With reference to the embodiment of the present invention in a first aspect, in the first implementation of embodiment of the present invention first aspect,
First base station can first judge before the soft bit information that obtains of demodulation is sent to the second base station signal signal quality whether
Meet prerequisite, when signal quality meets condition, first base station just sends the soft bit letter that demodulation is obtained to the second base station
Breath, when signal quality is unsatisfactory for condition, then first base station can not send the soft bit information.
In the embodiment of the present invention, can first judge whether signal quality meets prerequisite, when meeting prerequisite just to
Second base station sends soft bit information.Avoid to the ropy invalid information of the second base station sending signal.Further elevator belt
The utilization rate of resource wide.
With reference to the first implementation of embodiment of the present invention first aspect, the second of embodiment of the present invention first aspect
Plant in implementation, first base station can in the following way judge whether signal quality meets prerequisite：
Whether first base station judges the signal to noise ratio of the signal higher than the first preset thresholding, if being higher than, first base station determines
The signal quality meets prerequisite, if not higher than, first base station determines that the signal quality is unsatisfactory for prerequisite.
The embodiment of the invention provides it is a kind of judge the mode whether signal quality meets prerequisite, improve scheme
Realizability.
With reference to the first implementation of embodiment of the present invention first aspect, the 3rd of embodiment of the present invention first aspect the
Plant in implementation, first base station can in the following way judge whether signal quality meets prerequisite：
Whether first base station judges the range value of the signal higher than the second preset thresholding, if being higher than, first base station determines
The signal quality meets prerequisite, if not higher than, first base station determines that the signal quality is unsatisfactory for prerequisite.
The embodiment of the invention provides another kind and judge whether signal quality meets the mode of prerequisite, improve scheme
Flexibility.
Embodiment of the present invention second aspect provides a kind of data transmission method, including：
Second base station receives and belongs to the signal that its target terminal sends, and the signal is demodulated and obtains the first soft ratio
Special information, and obtain the first hard bit information by entering row decoding to the first soft bit information.When the second base station determines that oneself is translated
The first hard bit information errors that code is obtained, i.e. itself decoding result mistake, and receive the second soft ratio of first base station transmission
During special information, the first soft bit information that the second base station obtains own demodulation is closed with the second soft bit information for receiving
And target soft bit information is obtained, then row decoding is entered to the target soft bit information obtain target information；When the second base station determines
Oneself the first hard bit information errors for obtaining of decoding, i.e. itself decoding result mistake, and receive the of first base station transmission
Two hard bit information are that the second hard bit information is defined as target information by the second base station.Wherein, the second soft bit information is
The signal that first base station is received to itself is demodulated the soft bit information for obtaining, and the second hard bit information is first base station
The hard bit information that the signal received to itself is demodulated and correct decoding is obtained, target information refers to target terminal
The corresponding effective information of the signal for sending.
In the embodiment of the present invention, after the signal that the terminal that first base station receives the second base station of ownership sends, to the signal
It is demodulated and obtains soft bit information, entering row decoding to the soft bit information obtains hard bit information, then judges to decode what is obtained
Whether hard bit information is correct, if so, then first base station sends the hard bit information to the second base station, if it is not, then first base station
The soft bit information is sent to the second base station.That is, embodiment of the present invention first base station can be sentenced to decoding result
It is disconnected, correct hard bit information transfer will be decoded to the second base station, soft bit information is then transferred to the second base station by decoding error,
The wireless performance that joint is received can either be lifted, the utilization rate of improving transmission bandwidth resource is capable of again.And the second base station can connect
The soft bit information of first base station transmission is received, or decodes correct hard bit information to determine the corresponding effective letter of the signal
Breath, can further lift the accuracy of decoding.
The embodiment of the present invention third aspect provides a kind of base station, including：
Receiver module, the signal for receiving target terminal transmission, target terminal belongs to the second base station；
Demodulation coding module, soft bit information is obtained for being demodulated to the signal that receiver module is received, and by right
Soft bit information enters row decoding and obtains hard bit information；
First judge module, it is whether correct for judging the hard bit information that decoding is obtained；
First sending module, for when the first judge module determines that hard bit information is correct, sending hard to the second base station
Bit information；
Second sending module, for when the first judge module determines hard bit information errors, sending soft to the second base station
Bit information.
With reference to the embodiment of the present invention third aspect, in the first implementation of the embodiment of the present invention third aspect, should
Base station also includes：
Whether the second judge module, the signal quality for judging signal meets prerequisite；
Trigger module, for when the second judge module determines to meet prerequisite, triggering the second sending module；
Module is prevented, for when the second judge module determines to be unsatisfactory for prerequisite, preventing the second sending module from sending
Soft bit information.
With reference to the first implementation of the embodiment of the present invention third aspect, the second of the embodiment of the present invention third aspect
Plant in implementation, the second judge module includes：
First judging unit, for judging the signal to noise ratio of signal whether higher than the first preset thresholding；
First determining unit, for determining that signal to noise ratio is prescribed a time limit higher than the first preset gate when the first judging unit, determines signal
Quality meets prerequisite；
Second determining unit, for determining that signal to noise ratio is not higher than the first preset gate and prescribes a time limit when the first judging unit, it is determined that letter
Number quality is unsatisfactory for prerequisite.
With reference to the first implementation of the embodiment of the present invention third aspect, the 3rd of the embodiment of the present invention third aspect the
Plant in implementation, the second judge module includes：
Second judging unit, for judging the range value of signal whether higher than the second preset thresholding；
3rd determining unit, for determining that range value, higher than the second preset thresholding, determines signal matter when the second judging unit
Amount meets prerequisite；
4th determining unit, for determining that range value is not higher than the second preset gate and prescribes a time limit when the second judging unit, it is determined that letter
Number quality is unsatisfactory for prerequisite.
Embodiment of the present invention fourth aspect provides a kind of base station, including：
Receiver module, the signal for receiving target terminal transmission, target terminal home base station；
Demodulation coding module, obtains the first soft bit information, and lead to for being demodulated to the signal that receiver module is received
Cross and enter row decoding to the first soft bit information and obtain the first hard bit information；
Merge decoding module, for the first hard bit information errors obtained when determination decoding, and receive first base station
During the second soft bit information for sending, the first soft bit information is merged with the second soft bit information and obtains target soft bit letter
Cease, and enter row decoding to target soft bit information and obtain the corresponding target information of signal, the second soft bit information is first base station
The soft bit information for obtaining is demodulated to the signal that first base station is received；
Determining module, for the first hard bit information errors obtained when determination decoding, and receives first base station transmission
The second hard bit information when, using the second hard bit information as the corresponding target information of signal, the second hard bit information is the
The hard bit information that one base station is demodulated to the signal that first base station is received and correct decoding is obtained.
The aspect of the embodiment of the present invention the 5th provides a kind of base station, including：Memory, transceiver, processor and bus
System；Wherein, memory is used for storage program；
Processor is used to perform the program in memory, step specific as follows：
Control transceiver receives the signal that target terminal sends, and target terminal belongs to the second base station；
Signal is demodulated and obtains soft bit information, and hard bit letter is obtained by entering row decoding to soft bit information
Breath；
Judge whether the hard bit information that decoding is obtained is correct；
When it is determined that hard bit information is correct, control transceiver sends hard bit information to the second base station；
When it is determined that during hard bit information errors, control transceiver sends soft bit information to the second base station.
The aspect of the embodiment of the present invention the 6th provides a kind of base station, including：Memory, transceiver, processor and bus
System；Wherein, memory is used for storage program；
Processor is used to perform the program in memory, step specific as follows：
Control transceiver receives the signal that target terminal sends, target terminal home base station；
Signal is demodulated and obtains the first soft bit information, and is obtained by entering row decoding to the first soft bit information
One hard bit information；
When it is determined that the first hard bit information errors for obtaining of decoding, and receive the second soft bit letter of first base station transmission
During breath, the first soft bit information is merged with the second soft bit information and obtains target soft bit information, and target soft bit is believed
Cease into row decoding and obtain the corresponding target information of signal, the second soft bit information is the letter that first base station is received to first base station
Number it is demodulated the soft bit information for obtaining；
When it is determined that the first hard bit information errors for obtaining of decoding, and receive the second hard bit letter of first base station transmission
During breath, using the second hard bit information as the corresponding target information of signal, the second hard bit information is first base station to the first base
The hard bit information that the signal that station receives is demodulated and correct decoding is obtained.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
In the embodiment of the present invention, after the signal that the terminal that first base station receives the second base station of ownership sends, to the signal
It is demodulated and obtains soft bit information, entering row decoding to the soft bit information obtains hard bit information, then judges to decode what is obtained
Whether hard bit information is correct, if so, then first base station sends the hard bit information to the second base station, if it is not, then first base station
The soft bit information is sent to the second base station.That is, embodiment of the present invention first base station can be sentenced to decoding result
It is disconnected, correct hard bit information transfer will be decoded to the second base station, soft bit information is then transferred to the second base station by decoding error,
The wireless performance that joint is received can either be lifted, the utilization rate of improving transmission bandwidth resource is capable of again.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will use needed for embodiment description
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention.
Fig. 1 is one embodiment flow chart of data transmission method in the embodiment of the present invention；
Fig. 2 is another embodiment flow chart of data transmission method in the embodiment of the present invention；
Fig. 3 is another embodiment flow chart of data transmission method in the embodiment of the present invention；
Fig. 4 is one embodiment schematic diagram of base station in the embodiment of the present invention；
Fig. 5 is another embodiment schematic diagram of base station in the embodiment of the present invention；
Fig. 6 is another embodiment schematic diagram of base station in the embodiment of the present invention；
Fig. 7 is another embodiment schematic diagram of base station in the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
Term " first ", " second ", " the 3rd " " in description and claims of this specification and above-mentioned accompanying drawing
Four " etc. (if present) is for distinguishing similar object, without for describing specific order or precedence.Should manage
Solution so data for using can be exchanged in the appropriate case, so that embodiments of the invention described herein for example can be removing
Order beyond those for illustrating herein or describing is implemented.Additionally, term " comprising " and " having " and theirs is any
Deformation, it is intended that covering is non-exclusive to be included, for example, containing process, method, system, the product of series of steps or unit
Product or equipment are not necessarily limited to those steps clearly listed or unit, but may include not list clearly or for this
A little processes, method, product or other intrinsic steps of equipment or unit.
Data transmission method and device are the embodiment of the invention provides, for lifting wireless performance and the biography that joint is received
The utilization rate of defeated bandwidth resources.
It should be understood that the data transmission method and device of the embodiment of the present invention can apply to various communication systems, for example：Entirely
Ball mobile communication (Global System of Mobile communication, GSM) system, CDMA (Code
Division Multiple Access, CDMA) system, WCDMA (Wideband Code Division
Multiple Access, WCDMA) system, GPRS (General Packet Radio Service,
GPRS), Long Term Evolution (Long Term Evolution, LTE) system, LTE FDDs (Frequency Division
Duplex, FDD) system, LTE time division duplexs (Time Division Duplex, TDD), UMTS
(Universal Mobile Telecommunication System, UMTS) or global interconnection inserting of microwave (Worldwide
Interoperability for Microwave Access, WiMAX) communication system etc..
It should be understood that terminal in embodiments of the present invention includes but is not limited to user equipment (English full name：User
Equipment, English abbreviation：UE), mobile station (English full name：Mobile Station, English abbreviation：MS), mobile terminal
(Mobile Terminal), mobile phone (Mobile Telephone), mobile phone (handset) and portable equipment (portable
Equipment) etc., the user equipment can be through wireless access network (English full name：Radio Access Network, English letter
Claim：RAN) communicated with one or more core nets, for example, terminal can be mobile phone (or being " honeycomb " phone),
Computer with radio communication function etc., user equipment can also be portable, pocket, hand-held, built-in computer
Or vehicle-mounted mobile device.
Base station in the embodiment of the present invention can be base station (the English full name in GSM or CDMA：Base Transceiver
Station, english abbreviation：BTS the base station (NodeB)), or in WCDMA, can also be the evolved base station in LTE
(English full name：Evolved Node B, english abbreviation：ENB or e-NodeB), the embodiment of the present invention is not limited.
It should be understood that the technical scheme in the embodiment of the present invention applies also for other up except being transmitted suitable for IP network
Cooperative transmission scene, is specifically not construed as limiting herein.
Below first from first base station side introduce the embodiment of the present invention in data transmission method, refer to Fig. 1, the present invention is real
The one embodiment for applying data transmission method in example includes：
101st, first base station receives the signal that target terminal sends；
First base station is connected with the second base station by preset agreement, target terminal be ownership the second base station in, work as mesh
When mark terminal is wanted to send information to the second base station, the information to needing to send sends corresponding after carrying out the treatment such as coded modulation
Signal, first base station receives the signal.
102nd, first base station is demodulated to the signal and obtains soft bit information, and is translated by the soft bit information
Code obtains hard bit information；
After first base station receives the signal of target terminal transmission, Fast Fourier Transform (FFT) first can be carried out to the signal
(FFT, Fast Fourier Transform), channel estimation, Multiinputoutput (MIMO, Multiple-Input
Multiple-Output it is) balanced, discrete Fourier transform (IDFT, Inverse Discrete Fourier Transform)
Deng treatment, then it is demodulated again and obtains soft bit information, finally entering row decoding to soft bit information again obtains hard bit information.
It should be understood that first base station directly can also be demodulated and decode to the signal, or by other means to the signal at
It is demodulated again after reason and is decoded, is specifically not construed as limiting herein.
103rd, first base station judges whether the hard bit information that decoding is obtained is correct, if so, step 104 is then performed, if it is not,
Then perform step 105；
After first base station enters row decoding to signal, judge whether the hard bit information that decoding is obtained is correct, that is, judge decoding
Whether result is correct, if so, step 104 is then performed, if it is not, then performing step 105.Specifically, first base station can be by following
Ring redundancy check (CRC, Cyclic Redundancy Check) judges whether decoding is correct, that is, judge more than the CRC of target terminal
Whether number is 0, if, it is determined that decoding is correct, if not, it is determined that decoding error.First base station can also be by other means
Judge whether decoding is correct, is specifically not construed as limiting herein.
104th, first base station sends the hard bit information to the second base station；
When first base station determines that the hard bit information that obtains of decoding is correct, that is, decode result it is correct when, first base station is to the
Two base stations send the hard bit information.
105th, first base station sends the soft bit information to the second base station.
When first base station determine decoding obtain hard bit information errors when, that is, decode result mistake when, first base station to
Second base station sends the soft bit information that modulation is obtained.
In the embodiment of the present invention, after the signal that the terminal that first base station receives the second base station of ownership sends, to the signal
It is demodulated and obtains soft bit information, entering row decoding to the soft bit information obtains hard bit information, then judges to decode what is obtained
Whether hard bit information is correct, if so, then first base station sends the hard bit information to the second base station, if it is not, then first base station
The soft bit information is sent to the second base station.That is, embodiment of the present invention first base station can be sentenced to decoding result
It is disconnected, correct hard bit information transfer will be decoded to the second base station, soft bit information is then transferred to the second base station by decoding error,
The wireless performance that joint is received can either be lifted, the utilization rate of improving transmission bandwidth resource is capable of again.
Based on the corresponding embodiments of above-mentioned Fig. 1, in another embodiment of data transmission method provided in an embodiment of the present invention
In, the signal of target terminal transmission is received in first base station, and while carrying out signal transacting to signal, first base station may be used also
Whether prerequisite is met with the signal quality for judging the signal, when signal quality meets prerequisite, and decoding obtain it is hard
During bit information mistake, first base station sends the soft bit information to the second base station again, when signal quality is unsatisfactory for prerequisite
When, then do not send the soft bit information to the second base station.
Specifically, first base station may determine that whether the signal to noise ratio of the signal is higher than the first preset thresholding, if being higher than, really
Determine signal quality and meet prerequisite, if not higher than, it is determined that signal quality is unsatisfactory for prerequisite.
Whether first base station can also judge the range value of the signal higher than the second preset thresholding, if being higher than, it is determined that letter
Number quality meets prerequisite, if not higher than, it is determined that signal quality is unsatisfactory for prerequisite.
First base station can also judge whether signal quality meets prerequisite by other indexs, not limit herein specifically
It is fixed.
It should be understood that the first preset thresholding and the second preset thresholding can be pre-set by user, it is also possible to by first base station
Pre-set, specifically, can be set according to the resource allocation result of target terminal, it is also possible to set according to other modes, tool
Body is not construed as limiting herein.
In the embodiment of the present invention, first base station can first judge signal before soft bit information is sent to the second base station
Whether quality meets prerequisite, and just soft bit information is sent to the second base station when meeting prerequisite.Avoid to the second base station
The ropy invalid information of sending signal.Further lift the utilization rate of bandwidth resources.
Above from first base station side describe the embodiment of the present invention in first base station, below from the second base station side introduce this
The second base station in inventive embodiments, refers to Fig. 2, and another embodiment of data transmission method includes in the embodiment of the present invention：
201st, the second base station receives the signal that target terminal sends；
First base station is connected with the second base station by preset agreement, and target terminal is the terminal for belonging to the second base station, works as mesh
When mark terminal is wanted to send information to the second base station, the information to needing to send sends corresponding after carrying out the treatment such as coded modulation
Signal, first base station and the second base station can receive the signal.
202nd, the second base station is demodulated to the signal and obtains the first soft bit information, and by the first soft bit information
Enter row decoding and obtain the first hard bit information；
After second base station receives the signal of target terminal transmission, Fast Fourier Transform (FFT) first can be carried out to the signal
(FFT, Fast Fourier Transform), channel estimation, Multiinputoutput (MIMO, Multiple-Input
Multiple-Output it is) balanced, discrete Fourier transform (IDFT, Inverse Discrete Fourier Transform)
Deng treatment, then it is demodulated again and obtains soft bit information, for the ease of description, the embodiment of the present invention is by the second base station to signal
It is demodulated the soft bit information for obtaining and is referred to as the first soft bit information, after demodulation obtains the first soft bit information, the second base station
Enter row decoding to the first soft bit information again and obtain the first hard bit information.It should be understood that the second base station can also directly to the letter
Number it is demodulated and decodes, or be demodulated again and decode after processing the signal by other means, specifically herein not
It is construed as limiting.
It should be understood that after first base station receives the signal of target terminal transmission, can be also demodulated to the signal and obtain soft
Bit information, and enter row decoding to the soft bit information and obtain hard bit information, for the ease of description, the embodiment of the present invention is by the
One base station is demodulated the soft bit information for obtaining to signal and is referred to as the second soft bit information, and first base station is entered to soft bit information
The hard bit information that row decoding is obtained is referred to as the second hard bit information.
203rd, the first soft bit information is merged and obtains target soft bit information by the second base station with the second soft bit information, and
Enter row decoding to target soft bit information and obtain the corresponding target information of the signal；
After first base station decoding obtains the second hard bit information, can judge whether the second hard bit information is correct, when true
During fixed second hard bit information errors, first base station can send the second soft bit information that demodulation is obtained to the second base station.And the
After the decoding of two base stations obtains the first hard bit information, can also judge whether the first hard bit information is correct, when it is determined that first is hard
Bit information mistake, and when receiving the second soft bit information of first base station transmission, first base station obtains oneself demodulation
First soft bit information is merged with second soft bit information and obtains target soft bit information, and to target soft bit information
Enter row decoding and obtain target information.
It should be understood that target information is the corresponding effective information of the signal that target terminal sends.It should also be understood that first base station
Enter to be obtained after row decoding target hard bit information to target soft bit information, further, first base station may determine that the decoding
Whether the target hard bit information for obtaining is correct, when it is determined that the target hard bit information that obtains of decoding is correct, the just just mesh
Mark hard bit information is defined as the corresponding effective information of target terminal, when it is determined that the target hard bit information that obtains of decoding is incorrect
When, first base station can require that target terminal retransmits the signal to obtain the corresponding effective information of target terminal.
204th, the second base station is using the second hard bit information as the corresponding target information of the signal.
After first base station decoding obtains the second hard bit information, can judge whether the second hard bit information is correct, when true
When the second hard bit information is correct calmly, first base station can send the second hard bit information that decoding be obtained to the second base station.And the
After the decoding of two base stations obtains the first hard bit information, can also judge whether the first hard bit information is correct, when it is determined that first is hard
Bit information mistake, and when receiving the second hard bit information of first base station transmission, the second hard bit is then believed in the second base station
Breath is used as the corresponding target information of the signal.
In the embodiment of the present invention, after the signal that the terminal that first base station receives the second base station of ownership sends, to the signal
It is demodulated and obtains soft bit information, entering row decoding to the soft bit information obtains hard bit information, then judges to decode what is obtained
Whether hard bit information is correct, if so, then first base station sends the hard bit information to the second base station, if it is not, then first base station
The soft bit information is sent to the second base station.That is, embodiment of the present invention first base station can be sentenced to decoding result
It is disconnected, correct hard bit information transfer will be decoded to the second base station, soft bit information is then transferred to the second base station by decoding error,
The wireless performance that joint is received can either be lifted, the utilization rate of improving transmission bandwidth resource is capable of again.And the second base station can connect
The soft bit information of first base station transmission is received, or decodes correct hard bit information to determine the corresponding effective letter of the signal
Breath, can further lift the accuracy of decoding.
Based on the corresponding embodiments of above-mentioned Fig. 2, in another embodiment of data transmission method provided in an embodiment of the present invention
In, the signal of target terminal transmission is received in first base station, and while carrying out signal transacting to signal, first base station may be used also
Whether prerequisite is met with the signal quality for judging the signal, when signal quality meets prerequisite, and decoding obtain the
During two hard bit information errors, first base station sends second soft bit information to the second base station again, when signal quality is unsatisfactory for
During prerequisite, then second soft bit information is not sent to the second base station.
That is, when the signal quality of the signal meets prerequisite, it is second soft that the second base station can just receive this
Bit information.It is that the second base station will not receive the second soft bit information when the signal quality of the signal is unsatisfactory for prerequisite.
That is the second soft bit information that the second base station merges is that the signal demodulation by meeting prerequisite to signal quality is obtained
's.
The second soft bit information in the embodiment of the present invention is demodulated by meeting the signal of prerequisite to signal quality
Arrive, it is to avoid the second base station merges to the invalid information of poor signal quality, economizes on resources, and improves efficiency of transmission.
In order to make it easy to understand, introducing the data transmission method in the embodiment of the present invention with an interaction scenarios below, refer to
Fig. 3, another embodiment of data transmission method includes in the embodiment of the present invention：
301st, target terminal is to first base station and the second base station sending signal；
First base station is connected with the second base station by preset agreement, and target terminal is the terminal for belonging to the second base station, works as mesh
When mark terminal is wanted to send information to the second base station, the information to needing to send sends corresponding after carrying out the treatment such as coded modulation
Signal, first base station and the second base station can receive the signal.
302nd, the second base station is demodulated to the signal and obtains the first soft bit information, and by the first soft bit information
Enter row decoding and obtain the first hard bit information；
After second base station receives the signal of target terminal transmission, FFT can be first carried out to the signal, channel estimation,
MIMO is balanced, the treatment such as IDFT, is then demodulated again and obtains soft bit information, then enter row decoding to the soft bit information and obtains
Hard bit information, for the ease of description, the second base station is demodulated the embodiment of the present invention soft bit information for obtaining to signal
Referred to as the first soft bit information, row decoding is entered to the first soft bit information obtains hard bit information to be referred to as the first hard bit information.
It should be understood that the second base station directly can also be demodulated and decode to the signal, or by other means to the signal at
It is demodulated again after reason and is decoded, is specifically not construed as limiting herein.
303rd, first base station is demodulated to the signal and obtains the second soft bit information, and by the second soft bit information
Enter row decoding and obtain the second hard bit information；
After first base station receives the signal of target terminal transmission, FFT can be first carried out to the signal, channel estimation,
MIMO is balanced, the treatment such as IDFT, is then demodulated again and obtains soft bit information, then enter row decoding to the soft bit information and obtains
Hard bit information, for the ease of description, first base station is demodulated the embodiment of the present invention soft bit information for obtaining to signal
Referred to as the second soft bit information, row decoding is entered to the second soft bit information obtains hard bit information to be referred to as the second hard bit information.
It should be understood that first base station directly can also be demodulated and decode to the signal, or by other means to the signal at
It is demodulated again after reason and is decoded, is specifically not construed as limiting herein.
304th, first base station judges whether the second hard bit information that decoding is obtained is correct, if so, step 305 is then performed,
If it is not, then performing step 307；
After first base station enters row decoding to signal, judge whether the second hard bit information that decoding is obtained is correct, if so, then
Step 305 is performed, if it is not, then performing step 307.Specifically, first base station can judge whether decoding is correct by CRC, i.e.,
Whether the CRC remainders for judging target terminal are 0, if, it is determined that decoding is correct, if not, it is determined that decoding error.First base station
Can also by other means judge whether decoding is correct, is specifically not construed as limiting herein.
305th, first base station sends the second hard bit information to the second base station；
When first base station determines that the second hard bit information that decoding is obtained is correct, first base station sends to the second base station should
Second hard bit information.
306th, the second base station is using the second hard bit information as the corresponding target information of the signal；
After the decoding of second base station obtains the first hard bit information, can judge whether the first hard bit information is correct, when true
Fixed first hard bit information errors, and when receiving the second hard bit information of first base station transmission, the second base station is then by second
Hard bit information is used as the corresponding target information of the signal.It should be understood that the signal correspondence that target information is target terminal to be sent
Effective information.
307th, first base station sends the second soft bit information to the second base station；
When first base station determines the second hard bit information errors that decoding is obtained, first base station sends to the second base station should
Second soft bit information.
It should be understood that when first base station determines the second hard bit information errors that decoding is obtained, can also further confirm that
Whether the signal quality of signal meets prerequisite, when signal quality meets prerequisite, just to the second base station send this
Two soft bit informations, when signal quality is unsatisfactory for prerequisite, then do not send second soft bit information to the second base station.
Specifically, first base station may determine that whether the signal to noise ratio of signal, higher than the first preset thresholding, is higher than, it is determined that should
Signal quality meets prerequisite, not higher than, it is determined that the signal quality is unsatisfactory for prerequisite.First base station can also judge
Whether the range value of signal meets the second preset thresholding, is higher than, it is determined that the signal quality meets prerequisite, not higher than, then
Determine that signal quality is unsatisfactory for prerequisite.It should be understood that the first preset thresholding and the second preset thresholding can in advance be set by user
Put, it is also possible to pre-set by first base station, specifically, can be set according to the resource allocation result of target terminal, it is also possible to
Set according to other modes, be specifically not construed as limiting herein.
First base station can also judge whether signal quality meets prerequisite by other indexs, not limit herein specifically
It is fixed.
308th, the first soft bit information is merged and obtains target soft bit information by the second base station with the second soft bit information, and
Row decoding is entered to target soft bit information and obtains target information.
After the decoding of two or two base station obtains the first hard bit information, can judge whether the first hard bit information is correct, when
When determining the first hard bit information errors, and receiving the second soft bit information of first base station transmission, first base station by oneself
The first soft bit information that demodulation is obtained is merged with second soft bit information and obtains target soft bit information, and to target
Soft bit information enters row decoding and obtains target information.
First base station enters to be obtained after row decoding target hard bit information, further, the first base to target soft bit information
Station may determine that whether the target hard bit information that the decoding obtains correct, when it is determined that the target hard bit information that obtains of decoding just
When really, just just the target hard bit information is defined as the corresponding effective information of target terminal, when it is determined that the target that obtains of decoding
When hard bit information is incorrect, it is corresponding effectively to obtain target terminal that first base station can require that target terminal retransmits the signal
Information.
In the embodiment of the present invention, after the signal that the terminal that first base station receives the second base station of ownership sends, to the signal
It is demodulated and obtains soft bit information, entering row decoding to the soft bit information obtains hard bit information, then judges to decode what is obtained
Whether hard bit information is correct, if so, then first base station sends the hard bit information to the second base station, if it is not, then first base station
The soft bit information is sent to the second base station.That is, embodiment of the present invention first base station can be sentenced to decoding result
It is disconnected, correct hard bit information transfer will be decoded to the second base station, soft bit information is then transferred to the second base station by decoding error,
The wireless performance that joint is received can either be lifted, the utilization rate of improving transmission bandwidth resource is capable of again.And the second base station can connect
The soft bit information of first base station transmission is received, or decodes correct hard bit information to determine the corresponding effective letter of the signal
Breath, can further lift the accuracy of decoding.
Secondly, in the embodiment of the present invention, first base station can first judge before soft bit information is sent to the second base station
Whether signal quality meets prerequisite, and just soft bit information is sent to the second base station when meeting prerequisite.Avoid to second
The ropy invalid information of base station sending signal.Further lift the utilization rate of bandwidth resources.
In order to make it easy to understand, being retouched to the data transmission method in the embodiment of the present invention with a practical application scene below
State：
Base station A and base station B is connected by IP network, and terminal C belongs to base station A, and C prepares to send information M to A, M is carried out
The treatment such as coded modulation sends signal S after obtaining.
A receives signal S, FFT, channel estimation, MIMO equilibriums and IDFT treatment is carried out to S signals, after treatment
Signal is demodulated and obtains information R1 (the first soft bit information), then R1 is entered row decoding obtain information Y1 (the first hard bit believe
Breath), then A judges whether the CRC remainders of target terminal are 0 again, and detection learns that CRC remainders are 1, it is determined that the letter that decoding is obtained
Breath Y1 mistakes, Y1 is invalid information.
At the same time, B also receives signal S, and FFT, channel estimation, MIMO equilibriums and IDFT treatment are carried out to S signals,
Signal after treatment is demodulated and obtains information R2 (the second soft bit information), then enter row decoding to R2 and obtain information Y2 (
Two hard bit information), and signal to noise ratio to signal S while channel estimation is carried out detects.
After decoding obtains information Y2, B judges whether the CRC remainders of target terminal are 0 again, and detection learns that CRC remainders are 1,
Then determine the information Y2 mistakes that decoding is obtained, Y2 is invalid information, the signal to noise ratio that now B reads the signal S that detection is obtained is
10dB, thresholding 3dB preset more than first, determine that the signal quality of signal S meets prerequisite, and B sends the letter that demodulation is obtained to A
Breath R2.
A receives the information R2 that B sends, and R1 and R2 is merged and obtains information R (target soft bit information), and row decoding is entered to R
Information M (target hard bit information) is obtained, now A judges whether the CRC remainders of target terminal are 0 again, CRC remainders are learnt in detection
It is 0, then A determines that the information M that obtains of decoding is correct, the information M that obtains as the corresponding target informations of signal S will be decoded, i.e., really
Determine the information that M sends for target terminal to A.
The data transmission method in the embodiment of the present invention is described above, below to the first base station in the embodiment of the present invention
It is introduced, refers to Fig. 4, one embodiment of base station includes in the embodiment of the present invention：
Receiver module 401, the signal for receiving target terminal transmission, target terminal belongs to the second base station；
Demodulation coding module 402, soft bit information is obtained for being demodulated to the signal that receiver module 401 is received, and
Hard bit information is obtained by entering row decoding to soft bit information；
First judge module 403, it is whether correct for judging the hard bit information that decoding is obtained；
First sending module 404, for when the first judge module 403 determines that hard bit information is correct, to the second base station
Send hard bit information；
Second sending module 405, for when the first judge module 403 determines hard bit information errors, to the second base station
Send soft bit information.
In the embodiment of the present invention, after the signal that the terminal that receiver module 401 receives the second base station of ownership sends, demodulation is translated
Code 402 pairs of signals of module are demodulated and obtain soft bit information, and enter row decoding to the soft bit information and obtain hard bit letter
Whether correctly breath, the first judge module 403 judges the hard bit information that obtains of decoding, if so, then the first sending module 404 is to the
Two base stations send the hard bit information, if it is not, then the second sending module 405 sends the soft bit information to the second base station.Also
It is to say, embodiment of the present invention first base station can be judged decoding result, correct hard bit information transfer will be decoded and given
Soft bit information is then transferred to the second base station by the second base station, decoding error, can either lift the wireless performance that joint is received, and
It is capable of the utilization rate of improving transmission bandwidth resource.
Based on the corresponding embodiments of above-mentioned Fig. 4, Fig. 5 is referred to, in another implementation of base station provided in an embodiment of the present invention
In example, base station can also include：
Whether the second judge module 406, the signal quality for judging signal meets prerequisite；
Trigger module 407, for when the second judge module 406 determines to meet prerequisite, triggering the second sending module
405；
Module 408 is prevented, for when the second judge module 406 determines to be unsatisfactory for prerequisite, preventing second from sending mould
Block 405 sends soft bit information.
Alternatively, in embodiments of the present invention, the second judge module 406 can include：
First judging unit 4061, for judging the signal to noise ratio of signal whether higher than the first preset thresholding；
First determining unit 4062, for determining that signal to noise ratio is prescribed a time limit higher than the first preset gate when the first judging unit 4061,
Determine that signal quality meets prerequisite；
Second determining unit 4063, for determining that signal to noise ratio is not higher than the first preset thresholding when the first judging unit 4061
When, determine that signal quality is unsatisfactory for prerequisite；
Or,
Second judging unit 4064, for judging the range value of signal whether higher than the second preset thresholding；
3rd determining unit 4065, for determining that range value is higher than the second preset thresholding when the second judging unit 4064, really
Determine signal quality and meet prerequisite；
4th determining unit 4066, for determining that range value is not higher than the second preset thresholding when the second judging unit 4064
When, determine that signal quality is unsatisfactory for prerequisite.
Base station in the embodiment of the present invention can first pass through the before soft bit information is sent by sending module 405
Two judge modules 406 are judged signal quality, when signal quality meets prerequisite, are triggered by trigger module 407
Sending module 405, to send soft bit information, when signal quality is unsatisfactory for prerequisite, is then prevented by preventing module 408
Sending module 405 sends soft bit information.So as to avoid to the second ropy invalid information of base station sending signal.
The first base station in the embodiment of the present invention is described above, below to the embodiment of the present invention in the second base station, please
Refering to Fig. 6, another embodiment of base station includes in the embodiment of the present invention：
Receiver module 601, the signal for receiving target terminal transmission, target terminal home base station；
Demodulation coding module 602, the first soft bit letter is obtained for being demodulated to the signal that receiver module 601 is received
Breath, and obtain the first hard bit information by entering row decoding to the first soft bit information；
Merge decoding module 603, for the first hard bit information errors obtained when determination decoding, and receive the first base
Stand send the second soft bit information when, the first soft bit information is merged with the second soft bit information obtain target soft bit believe
Cease, and enter row decoding to target soft bit information and obtain the corresponding target information of signal, the second soft bit information is first base station
The soft bit information for obtaining is demodulated to the signal that first base station is received；
Determining module 604, for the first hard bit information errors obtained when determination decoding, and receives first base station hair
During the second hard bit information sent, using the second hard bit information as the corresponding target information of signal, the second hard bit information is
The hard bit information that first base station is demodulated to the signal that first base station is received and correct decoding is obtained.
In the embodiment of the present invention, after the signal that the terminal that first base station receives the second base station of ownership sends, to the signal
It is demodulated and obtains soft bit information, entering row decoding to the soft bit information obtains hard bit information, then judges to decode what is obtained
Whether hard bit information is correct, if so, then first base station sends the hard bit information to the second base station, if it is not, then first base station
The soft bit information is sent to the second base station.That is, embodiment of the present invention first base station can be sentenced to decoding result
It is disconnected, correct hard bit information transfer will be decoded to the second base station, soft bit information is then transferred to the second base station by decoding error,
The wireless performance that joint is received can either be lifted, the utilization rate of improving transmission bandwidth resource is capable of again.And the second base station can connect
The soft bit information of first base station transmission is received, or decodes correct hard bit information to determine the corresponding effective letter of the signal
Breath, can further lift the accuracy of decoding.
Above from the angle of functional module describe the embodiment of the present invention in base station, be situated between from the angle of hardware entities below
Base station in the embodiment of the present invention that continues, it is a kind of architecture of base station schematic diagram provided in an embodiment of the present invention, the base to refer to 7, Fig. 7
Standing 700 can include one or more central processing units because of configuration or performance is different and the larger difference of producing ratio
(central processing units, CPU) 722 (for example, one or more processors) and memory 732, one
Or more than one storage application program 742 or the storage medium 730 of data 744 (for example one or more mass memories set
It is standby).Wherein, memory 732 and storage medium 730 can be of short duration storage or persistently storage.Store the journey in storage medium 730
Sequence can include one or more modules (diagram is not marked), and each module can include to the series of instructions in base station
Operation.Further, central processing unit 722 be could be arranged to be communicated with storage medium 730, and storage is performed on base station 700
Series of instructions operation in medium 730.
Base station 700 can also include one or more power supplys 726, and one or more wired or wireless networks connect
Mouth 750, one or more input/output interfaces 758, and/or, one or more operating systems 741, for example
Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM etc..
Step in above-described embodiment as performed by first base station or the second base station can be based on the base station knot shown in the Fig. 7
Structure.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Divide, only a kind of division of logic function there can be other dividing mode when actually realizing, for example multiple units or component
Can combine or be desirably integrated into another system, or some features can be ignored, or do not perform.It is another, it is shown or
The coupling each other for discussing or direct-coupling or communication connection can be the indirect couplings of device or unit by some interfaces
Close or communicate to connect, can be electrical, mechanical or other forms.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be according to the actual needs selected to realize the mesh of this embodiment scheme
's.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list
Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is to realize in the form of SFU software functional unit and as independent production marketing or use
When, can store in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part for being contributed to prior art in other words or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are used to so that a computer
Equipment (can be personal computer, server, or network equipment etc.) performs the complete of each embodiment methods described of the invention
Portion or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (English full name：Read-Only
Memory, english abbreviation：ROM), random access memory (English full name：Random Access Memory, english abbreviation：
RAM), magnetic disc or CD etc. are various can be with the medium of store program codes.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to preceding
Embodiment is stated to be described in detail the present invention, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent is carried out to which part technical characteristic；And these
Modification is replaced, and does not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (10)
1. a kind of data transmission method, it is characterised in that including：
First base station receives the signal that target terminal sends, and the target terminal belongs to the second base station；
The first base station is demodulated to the signal and obtains soft bit information, and is translated by the soft bit information
Code obtains hard bit information；
The first base station judges whether the hard bit information that the decoding is obtained is correct；
If so, then the first base station sends the hard bit information to second base station；
If it is not, then the first base station sends the soft bit information to second base station.
2. method according to claim 1, it is characterised in that the first base station sends described soft to second base station
Include before bit information：
The first base station judges whether the signal quality of the signal meets prerequisite；
If meet, trigger the first base station to second base station send the soft bit information the step of；
If it is not satisfied, then the first base station does not send the soft bit information to second base station.
3. method according to claim 2, it is characterised in that the first base station judges that the signal quality of the signal is
It is no to meet prerequisite and include：
Whether the first base station judges the signal to noise ratio of the signal higher than the first preset thresholding；
If being higher than the described first preset thresholding, the first base station determines that the signal quality meets prerequisite；
If not higher than described first preset thresholding, the first base station determines that the signal quality is unsatisfactory for prerequisite.
4. method according to claim 2, it is characterised in that the first base station judges that the signal quality of the signal is
It is no to meet prerequisite and include：
Whether the first base station judges the range value of the signal higher than the second preset thresholding；
If being higher than the described second preset thresholding, the first base station determines that the signal quality meets prerequisite；
If not higher than described second preset thresholding, the first base station determines that the signal quality is unsatisfactory for prerequisite.
5. a kind of data transmission method, it is characterised in that including：
Second base station receives the signal that target terminal sends, and the target terminal belongs to second base station；
Second base station is demodulated to the signal and obtains the first soft bit information, and believes by first soft bit
Cease into row decoding and obtain the first hard bit information；
When second base station determines the first hard bit information errors for decoding and obtaining, and receive first base station transmission
During the second soft bit information, first soft bit information is merged and obtains by second base station with second soft bit information
Target soft bit information, and enter row decoding to the target soft bit information and obtain the corresponding target information of the signal, it is described
Second soft bit information is that the first base station is demodulated the soft ratio for obtaining to the signal that the first base station is received
Special information；
When second base station determines the first hard bit information errors for decoding and obtaining, and receive first base station transmission
During the second hard bit information, second base station using the second hard bit information as the corresponding target information of the signal,
The second hard bit information is that the first base station is demodulated and correct to the signal that the first base station is received
The hard bit information that decoding is obtained.
6. a kind of base station, it is characterised in that including：
Receiver module, the signal for receiving target terminal transmission, the target terminal belongs to the second base station；
Demodulation coding module, obtains soft bit information, and lead to for being demodulated to the signal that the receiver module is received
Cross and row decoding is entered to the soft bit information obtain hard bit information；
First judge module, it is whether correct for judging the hard bit information that the decoding is obtained；
First sending module, for when first judge module determines that the hard bit information is correct, to second base
Stand and send the hard bit information；
Second sending module, for when first judge module determines the hard bit information errors, to second base
Stand and send the soft bit information.
7. base station according to claim 6, it is characterised in that the base station also includes：
Whether the second judge module, the signal quality for judging the signal meets prerequisite；
Trigger module, for when second judge module determines to meet prerequisite, triggering second sending module；
Module is prevented, for when second judge module determines to be unsatisfactory for prerequisite, preventing second sending module
Send the soft bit information.
8. base station according to claim 7, it is characterised in that second judge module includes：
First judging unit, for judging the signal to noise ratio of the signal whether higher than the first preset thresholding；
First determining unit, for determining that the signal to noise ratio is prescribed a time limit higher than first preset gate when first judging unit,
Determine that the signal quality meets prerequisite；
Second determining unit, for determining that the signal to noise ratio is not higher than the described first preset thresholding when first judging unit
When, determine that the signal quality is unsatisfactory for prerequisite.
9. base station according to claim 7, it is characterised in that second judge module includes：
Second judging unit, for judging the range value of the signal whether higher than the second preset thresholding；
3rd determining unit, for determining that the range value is higher than the described second preset thresholding when second judging unit, really
The fixed signal quality meets prerequisite；
4th determining unit, for determining that the range value is not higher than the described second preset thresholding when second judging unit
When, determine that the signal quality is unsatisfactory for prerequisite.
10. a kind of base station, it is characterised in that including：
Receiver module, the signal for receiving target terminal transmission, the target terminal belongs to the base station；
Demodulation coding module, the first soft bit information is obtained for being demodulated to the signal that the receiver module is received,
And obtain the first hard bit information by entering row decoding to first soft bit information；
Merge decoding module, for decoding the first hard bit information errors for obtaining when determination is described, and receive first base station
During the second soft bit information for sending, first soft bit information merges to obtain target soft with second soft bit information
Bit information, and row decoding is entered to the target soft bit information obtain the corresponding target information of the signal, described second is soft
Bit information is that the first base station is demodulated the soft bit information for obtaining to the signal that the first base station is received；
Determining module, for decoding the first hard bit information errors for obtaining when determination is described, and receives first base station transmission
The second hard bit information when, using the second hard bit information as the corresponding target information of the signal, described second is hard
Bit information is that the first base station is demodulated to the signal that the first base station is received and correct decoding is obtained
Hard bit information.
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| CN101924609A (en) * | 2009-06-12 | 2010-12-22 | 中国移动通信集团公司 | Processing method of uplink data in coordinated multipoint transmission and related device |
| CN102204116A (en) * | 2011-05-20 | 2011-09-28 | 华为技术有限公司 | Data merging method, service base station, collaboration base station and system |
| WO2016095522A1 (en) * | 2014-12-15 | 2016-06-23 | 中兴通讯股份有限公司 | Super cell-based data transmission method and system |
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2016
- 2016-12-19 CN CN201611176662.XA patent/CN106817196A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101924609A (en) * | 2009-06-12 | 2010-12-22 | 中国移动通信集团公司 | Processing method of uplink data in coordinated multipoint transmission and related device |
| CN102204116A (en) * | 2011-05-20 | 2011-09-28 | 华为技术有限公司 | Data merging method, service base station, collaboration base station and system |
| WO2016095522A1 (en) * | 2014-12-15 | 2016-06-23 | 中兴通讯股份有限公司 | Super cell-based data transmission method and system |
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