CN106603458A - Baseband processing method and apparatus - Google Patents
Baseband processing method and apparatus Download PDFInfo
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- CN106603458A CN106603458A CN201611147154.9A CN201611147154A CN106603458A CN 106603458 A CN106603458 A CN 106603458A CN 201611147154 A CN201611147154 A CN 201611147154A CN 106603458 A CN106603458 A CN 106603458A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
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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
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0059—Convolutional codes
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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
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
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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
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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Abstract
The invention provides a baseband processing method and apparatus. The baseband processing method includes: receiving parameter information required by downlink baseband processing of each cell, wherein the parameter information comprises public parameter information required by downlink baseband processing of each cell and parameter information required by downlink baseband processing of each physical channel of each cell; and performing downlink baseband processing on each cell in parallel according to the parameter information required by downlink baseband processing of each cell. According to the downlink baseband processing method, in the processing process, downlink baseband processing is performed on each cell in parallel, the downlink baseband processing of each cell is independently performed, a serial processing process is avoided, and the processing efficiency is higher.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of baseband processing method and device.
Background technology
In Long Term Evolution (Long Term Evolution, LTE) system, LTE accesses fidonetFido and is divided into 3 levels
Structure, wherein physical layer are in orlop, provide the service of data transfer as interface for upper strata with transmission channel, mainly complete
Up-downgoing Base-Band Processing work in data communication process.Wherein, the downgoing baseband of physical layer is processed, as shown in figure 1, being divided into ratio
It is superfine to process and symbol level two stages of process, after the process of above-mentioned bit-level and symbol level are processed, generate orthogonal frequency division multiplexing
With (Orthogonal Frequency Division Multiplexing, OFDM) signal, and launched by antenna port
Go.
In existing LTE downgoing basebands processing method, first by digital signal processor (Digital Signal
Prosessor, DSP) the bit-level process that downgoing baseband is processed is completed, then by field programmable gate array (Field-
Programmable Gate Array, FPGA) complete the symbol level process that downgoing baseband is processed.It is same when there is multiple cells to need
During the process of Shi Jinhang downgoing basebands, carry out by the way of serial adduction row combines, specially：DSP according to sequencing, according to
It is secondary that bit-level process is carried out to each cell, then by FPGA it is parallel symbol level process is carried out to described each cell.It is above-mentioned
Prior art needs first serially to carry out at bit-level multiple cells when multiple cells are carried out downgoing baseband process
Then multiple cells are carried out symbol level process by reason again simultaneously, as the bit-level of serial processes time-consuming longer, are caused on the whole
Inefficiency.
The content of the invention
Defect and deficiency based on above-mentioned prior art, the present invention propose a kind of baseband processing method and device, can be simultaneously
Row ground carries out downgoing baseband process to multiple cells, improves treatment effeciency.
A kind of baseband processing method, including：
Reception carries out the parameter information needed for downgoing baseband is processed to each cell；Wherein, the parameter information includes right
Each cell carries out the common parameter information needed for downgoing baseband is processed, and each physical channel of each cell is carried out
Parameter information needed for downgoing baseband process；
According to the parameter information carried out to each cell needed for downgoing baseband is processed, concurrently to described each cell
Downgoing baseband process is carried out respectively.
It is preferably for any one cell in described each cell, described to carry out downgoing baseband process, including：
From the parameter information carried out to each cell needed for downgoing baseband is processed, parsing obtains entering the cell
The required common parameter information of row downgoing baseband process, each physical channel to the cell carry out the ginseng needed for bit-level is processed
Number information, and the parameter information needed for symbol level is processed is carried out to each physical channel of the cell；
Required common parameter information is processed and to described according to the downgoing baseband that carries out to the cell that parsing is obtained
Each physical channel of cell carries out the parameter information needed for bit-level is processed, and each physical channel of the cell is carried out parallel
Bit-level process, and reference signal and synchronous signal sequence are generated for the cell；
Each physical channel to the cell is carried out into the result of bit-level process, and generate for the cell
Reference signal and synchronous signal sequence are cached respectively；
Parameter information needed for symbol level is processed is carried out according to each physical channel to the cell that parsing is obtained, respectively
Result, the reference signal of the cell and the synchronous signal sequence that each physical channel bit level of the cell is processed is entered
The process of row symbol level.
Preferably, the ginseng carried out according to each physical channel to the cell that parsing is obtained needed for symbol level is processed
Number information, the result that respectively each physical channel bit level of the cell is processed, the reference signal of the cell and same
Step signal sequence carries out symbol level process, including：
Will be each resource particle included in the OFDM symbol in the cell each subframe for downlink transfer corresponding
Binary bits are extracted from corresponding caching；
Parameter information needed for symbol level is processed is carried out according to each physical channel to the cell that parsing is obtained, will be carried
The corresponding binary bits of each resource particle included in each OFDM symbol for obtaining are converted to symbol data；
The symbol data is merged into into complete OFDM antenna port signals, and the OFDM antenna port signals are entered
Row downlink power control, and generate time-domain OFDM symbol.
Preferably, each physical channel to the cell carries out parallel bit-level process, including：
Concurrently to the Master Information Block in the Physical Broadcast Channel of the cell, the control in Physical Control Format Indicator Channel
Downlink Control Information, the downlink data in Physical Downlink Shared Channel in form configured information processed, Physical Downlink Control Channel,
Transmitting uplink data feedback information in physical hybrid automatic repeat request indicator channel carries out bit-level process.
Preferably, bit-level process is carried out to the Downlink Control Information in the Physical Downlink Control Channel of the cell, is had
Body includes：
CRC and volume are added successively to the Downlink Control Information in the Physical Downlink Control Channel
Product coded treatment；
The Downlink Control Information in the Physical Downlink Control Channel after to convolutional encoding carries out rate-matched process；
Downlink Control Information in all of Physical Downlink Control Channel in subframe after rate-matched process is carried out multiple
With process；
The Downlink Control Information in the Physical Downlink Control Channel after to multiplexing process carries out four-tuple intertexture and adds
Disturb process.
Preferably, to the transmitting uplink data feedback letter in the physical hybrid automatic repeat request indicator channel of the cell
Breath carries out bit-level process, specifically includes：
Channel volume is carried out to the transmitting uplink data feedback information in the physical hybrid automatic repeat request indicator channel
Code is processed；
To the transmitting uplink data feedback information after chnnel coding process, scrambled and spread processing.
Preferably, the transmitting uplink data feedback information after the process to chnnel coding, is scrambled and is spread
Process, including：
To for the transmitting uplink data feedback information is scrambled and spread processing needed for orthogonal sequence carry out
Binary processing；
The orthogonal sequence and the corresponding scrambler sequence of the cell present sub-frame after according to binary processing,
The transmitting uplink data feedback information after chnnel coding process is scrambled and spread processing, the ratio of preseting length is obtained
Special sequence.
A kind of base band processing device, including：
Parameter receiving unit, carries out the required parameter information of downgoing baseband process for receiving to each cell；Wherein, institute
Stating parameter information includes carrying out each cell the common parameter information needed for downgoing baseband is processed, and to described each cell
Each physical channel carry out downgoing baseband process needed for parameter information；
Multiple baseband processing units, for according to the parameter letter carried out to each cell needed for downgoing baseband is processed
Breath, concurrently carries out downgoing baseband process respectively to described each cell；
Timing unit, for providing time reference for the unit of the downgoing baseband processing unit.
Preferably, the baseband processing unit, including：
Parameter analysis of electrochemical module, for, from the parameter information carried out to each cell needed for downgoing baseband is processed, solving
Analysis obtains carrying out the cell common parameter information needed for downgoing baseband is processed, each physical channel to the cell to be carried out
Parameter information needed for bit-level process, and the parameter letter needed for symbol level is processed is carried out to each physical channel of the cell
Breath；
Bit-level processing module, for according to parsing obtain the cell is carried out downgoing baseband process needed for it is public
Parameter information and each physical channel to the cell carry out the parameter information needed for bit-level is processed, to each of the cell
Physical channel carries out parallel bit-level and processes, and generates reference signal and synchronous signal sequence for the cell；
Bit cache module, for each physical channel to the cell to be carried out the result of bit-level process, with
And for the cell generate reference signal and synchronous signal sequence cached respectively；
Symbol level processing module, each physical channel to the cell for being obtained according to parsing carry out symbol level process
Required parameter information, the reference of result, the cell that respectively each physical channel bit level of the cell is processed
Signal and synchronous signal sequence carry out symbol level process.
Preferably, the symbol level processing module, including：
Data extraction module, for every by what is included in the OFDM symbol in the cell each subframe for downlink transfer
The corresponding binary bits of individual resource particle are extracted from corresponding caching；
Modular converter, for being carried out needed for symbol level is processed according to each physical channel to the cell that parsing is obtained
Parameter information, the corresponding binary bits of each resource particle included in each OFDM symbol that extraction is obtained are converted to symbol
Number；
Control process module, for the symbol data is merged into complete OFDM antenna port signals, and to described
OFDM antenna port signals carry out downlink power control, and generate time-domain OFDM symbol.
Preferably, the bit-level processing module carries out parallel bit-level process to each physical channel of the cell
When, specifically for：
Concurrently to the Master Information Block in the Physical Broadcast Channel of the cell, the control in Physical Control Format Indicator Channel
Downlink Control Information, the downlink data in Physical Downlink Shared Channel in form configured information processed, Physical Downlink Control Channel,
Transmitting uplink data feedback information in physical hybrid automatic repeat request indicator channel carries out bit-level process.
Preferably, the bit-level processing module is to the Downlink Control Information in the Physical Downlink Control Channel of the cell
When carrying out bit-level process, specifically for：
CRC and volume are added successively to the Downlink Control Information in the Physical Downlink Control Channel
Product coded treatment；
The Downlink Control Information in the Physical Downlink Control Channel after to convolutional encoding carries out rate-matched process；
Downlink Control Information in all of Physical Downlink Control Channel in subframe after rate-matched process is carried out multiple
With process；
The Downlink Control Information in the Physical Downlink Control Channel after to multiplexing process carries out four-tuple intertexture and adds
Disturb process.
Preferably, in physical hybrid automatic repeat request indicator channel of the bit-level processing module to the cell
When transmitting uplink data feedback information carries out bit-level process, specifically for：
Channel volume is carried out to the transmitting uplink data feedback information in the physical hybrid automatic repeat request indicator channel
Code is processed；
To the transmitting uplink data feedback information after chnnel coding process, scrambled and spread processing.
Preferably, the transmitting uplink data feedback information after the bit-level processing module is processed to chnnel coding,
When carrying out scrambling and spread processing, specifically for：
To for the transmitting uplink data feedback information is scrambled and spread processing needed for orthogonal sequence carry out
Binary processing；
The orthogonal sequence and the corresponding scrambler sequence of the cell present sub-frame after according to binary processing,
The transmitting uplink data feedback information after chnnel coding process is scrambled and spread processing, the ratio of preseting length is obtained
Special sequence.
Preferably, the baseband processing unit, also includes：
Descending time block, for the time reference provided according to the timing unit, is that the bit-level is processed
Module and the data extraction module calculate Startup time.
Baseband processing method proposed by the present invention, receives the parameter carried out to each cell needed for downgoing baseband is processed first
Information；Then according to the parameter information carried out to each cell needed for downgoing baseband is processed, concurrently each is little to described
Area carries out downgoing baseband process respectively.In processing procedure, downgoing baseband process is carried out to each cell parallel, under each cell
Row Base-Band Processing is independently carried out, and there is no serial process, and treatment effeciency is higher.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the schematic flow sheet that downgoing baseband provided in an embodiment of the present invention is processed；
Fig. 2 is the schematic flow sheet of downgoing baseband processing method provided in an embodiment of the present invention；
Fig. 3 is the schematic flow sheet that downgoing baseband process is carried out to cell provided in an embodiment of the present invention；
Fig. 4 is that the physical mixed autonomous retransmission to cell in downgoing baseband processing method provided in an embodiment of the present invention please
Ask and indicate that the data transmission feedback information in channel carries out the schematic flow sheet of bit-level process；
Fig. 5 is another kind provided in an embodiment of the present invention in the physical hybrid automatic repeat request indicator channel of cell
Data transmission feedback information carries out the schematic flow sheet of the method for bit-level process；
Fig. 6 is a kind of structural representation of downgoing baseband processing unit provided in an embodiment of the present invention；
Fig. 7 is the structural representation of another kind of downgoing baseband processing unit provided in an embodiment of the present invention；
Fig. 8 is the structural representation of another kind of downgoing baseband processing unit provided in an 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 the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the invention discloses a kind of baseband processing method, shown in Figure 2, the method includes：
S201, reception carry out the parameter information needed for downgoing baseband is processed to each cell；Wherein, the parameter information bag
Include carries out the required common parameter information of downgoing baseband process to each cell, and each physical channel to each cell
Carry out the parameter information needed for downgoing baseband is processed；
Specifically, embodiment of the present invention technical scheme is used for LTE down physical layers, and being not only suitable for is carried out down to single subdistrict
Row Base-Band Processing, applies also for carrying out downgoing baseband process to multiple cells.When needing that multiple cells are carried out at downgoing baseband
During reason, the parameter information needed for downgoing baseband is processed is carried out to each cell from high-rise reception, specifically, can be with serial received pair
Each cell carries out the parameter information needed for downgoing baseband is processed, it is also possible to which concurrently reception simultaneously carries out descending to each cell
Parameter information needed for Base-Band Processing.
For each cell in described each cell, the parameter information includes carrying out the cell descending
Common parameter information needed for Base-Band Processing, and the ginseng needed for downgoing baseband is processed is carried out to each physical channel of the cell
Number information.For time division duplex (Time Division Duplex, TDD) mode of operation, only receive high-rise for descending sub frame
The configuration parameter of each physical channel issued with special subframe, for FDD (Frequency Division Duplex,
FDD) mode of operation, receives the configuration parameter of each physical channel that high-rise each subframe for each downlink radio frame is issued.
In cell establishment stage, base station high level also to be issued the configuration parameter of cell.The configuration parameter of the cell, is used for
The basic configuration information of description cell, the configuration information of cell are issued when cell is set up, after cell is set up, these parameters
Keep constant, only cell configuration parameter needs to be re-issued when updating again.
It should be noted that when downgoing baseband process is carried out to cell, some parameters are the public affairs of each channel of cell
Common parameter, it is not necessary to calculate and need not generate in real time, in embodiment of the present invention technical scheme, receives these ginsengs from high-rise
Number, is preserved as known parameters, when cell certain channel carry out downgoing baseband process need these parameters when, directly use
The parameter of preservation, without generation or calculating parameter again, saves the time of downgoing baseband process.In addition, for cell
Some channels, when downgoing baseband is carried out to which processing, need some peculiar parameters, these parameters are needed by being calculated.
In the prior art, these calculated parameters of needs, are calculated during downgoing baseband process is carried out to cell
Arrive, and in the technical scheme of the embodiment of the present invention, be calculated when parameter is issued by high level, so in the later stage to cell
When carrying out downgoing baseband and processing, it is possible to by these calculated parameters as known parameters using, without processing
While enter the calculating of line parameter, reduce working strength processing stage downgoing baseband, improve downgoing baseband treatment effeciency.
S202, according to the parameter information carried out to each cell needed for downgoing baseband is processed, concurrently to described each
Individual cell carries out downgoing baseband process respectively.
Specifically, embodiment of the present invention technical scheme adopts multiple downgoing baseband processing function modules, little to each respectively
Area concurrently carries out downgoing baseband process.Quantity of the quantity of the downgoing baseband processing function module no less than base station cell,
To ensure, for each cell, to have a downgoing baseband processing function module to carry out downgoing baseband process to which.Therefore,
In the technical scheme described in the embodiment of the present invention, when each cell carries out downgoing baseband process, it is not necessary to wait, each cell
Carrying out downgoing baseband process is carried out parallel, improves downgoing baseband treatment effeciency.
Downgoing baseband processing method proposed by the present invention, receiving first is carried out to each cell needed for downgoing baseband is processed
Parameter information；Then according to the parameter information carried out to each cell needed for downgoing baseband is processed, concurrently to described each
Individual cell carries out downgoing baseband process respectively.In processing procedure, downgoing baseband process is carried out to each cell parallel, it is each little
Area's downgoing baseband is processed and is independently carried out, and there is no serial process, and treatment effeciency is higher.
Optionally, in another embodiment of the present invention, it is shown in Figure 3, for described each cell in it is any
One cell, it is described to carry out downgoing baseband process, including：
S301, from it is described each cell is carried out downgoing baseband process needed for parameter information in, parsing obtain to described
Cell carries out the required common parameter information of downgoing baseband process, each physical channel to the cell and carries out bit-level process institute
The parameter information for needing, and the parameter information needed for symbol level is processed is carried out to each physical channel of the cell；
Specifically, after the parameter that reception carries out needed for downgoing baseband is processed to each cell, connect according to predefined
The Parameter analysis of electrochemical out, is obtained carrying out the cell ginseng needed for the common parameter information needed for downgoing baseband is processed by mouth
Number, each physical channel to the cell carry out bit-level process and symbol level processes required parameter information.Further, by
The time difference needed for bit-level is processed is carried out in each physical channel, bit is carried out to each Physical Channel synchronization for the ease of the later stage
Level is processed and symbol level is processed, and needs to arrange different Startup times for the process of each physical channel bit level, each physics will be believed
Road carries out bit-level and processes with the parameter needed for symbol level process respectively in the Startup time output of correspondence physical channel, supplies subsequently
Process and use.
S302, the common parameter information and right cell carried out needed for downgoing baseband is processed obtained according to parsing
Each physical channel of the cell carries out the parameter information needed for bit-level is processed, and each physical channel of the cell is carried out simultaneously
Capable bit-level is processed, and generates reference signal and synchronous signal sequence for the cell；
Specifically, according to parsing obtain the cell is carried out downgoing baseband process needed for common parameter information and
The required parameter of bit-level process is carried out to each physical channel of the cell, the parallel each physical channel to the cell enters
The process of row bit-level, i.e., to each physical channel, independently carry out downgoing baseband bit-level process, will not phase between each treatment progress
Mutually affect, it is not required that wait, make the bit-level treatment effeciency to each physical channel higher.
It should be noted that embodiment of the present invention programmable gate array (Field-Programmable Gate at the scene
Array, FPGA) realize that the parallel bit-level of each physical channel to the cell is processed in logical device, give full play to
The parallel processing capability of FPGA device, raising carry out the treatment effeciency of bit-level process to cell.
S303, the result that each physical channel to the cell is carried out bit-level process, and be the cell
The reference signal and synchronous signal sequence of generation is cached respectively；
Specifically, the bit-level for completing each physical channel to the cell described in step S302 is processed, and is described
After cell generates reference signal and synchronous signal sequence, in step S303, the result of above-mentioned bit-level process is stored.
After each physical channel to the cell carries out bit-level process, the bit data of each physical channel of the cell is obtained.
Due in whole downgoing baseband processing procedure, in addition it is also necessary to carry out corresponding modulation treatment to each physical channel of the cell,
And each physical channel modulation mode is different, therefore, in the result of stored bits level process, by the ratio of each physical channel
Stored after special data sectional, each symbol need to being modulated of segmentation correspondence, in order in modulated process, quickly
Realize the modulation to each symbol in ground.Specifically, for the bit data of each physical channel, with the modulation system pair of each physical channel
The binary bits answered are stored after being segmented；The bit data of reference signal and synchronizing signal is carried out in units of dibit point
Section storage.
On the other hand, as the bit-level process time of each physical channel is different, and reference signal and synchronous letter are generated
The time of number sequence is different, causes the bit-level for completing each physical channel to process, and generates reference signal and synchronizing signal sequence
The moment of row is different, in turn results in generation time between the treatment progress of each physical channel, reference signal and synchronous signal sequence
Difference.When processing for the ease of the symbol level in the later stage, the process to each physical channel, reference signal and synchronous signal sequence can
Synchronously carry out, until generate ofdm signal sending, herein the result of bit-level process is cached, each thing is adjusted
The treatment progress of reason channel, reference signal and synchronous signal sequence, it is ensured that whole downgoing baseband treatment progress is smooth and efficient.
S304, each physical channel to the cell obtained according to parsing carry out symbol level and process required parameter letter
Breath, the result that respectively each physical channel bit level of the cell is processed, the reference signal of the cell and synchronous letter
Number sequence carries out symbol level process.
Specifically, after the completion of the bit-level of each physical channel to the cell is processed all, and give birth to for the cell
Into after reference signal and synchronous signal sequence, for the bit of each physical channel, reference signal and synchronous signal sequence of caching
Level result, proceeds parallel symbol level and processes, be ultimately converted to time-domain OFDM symbol and send.
In the prior art, it is also what is carried out parallel the symbol level in downgoing baseband process to be processed, accordingly, with respect to existing
For having technology, embodiment of the present invention technical scheme does more improvement processing stage symbol level, not, but continues to use existing
Method for parallel processing, according to agreement regulation carry out.
For each cell, respectively according to carrying out downgoing baseband process the step of above-mentioned S301～S304, each cell it
Between carry out parallel and separate, improve carries out the efficiency of downgoing baseband process to multiple cell.Further, for each
For individual cell, when bit-level process is carried out, carried out using parallel form using fpga logic device, accelerated to each
Individual cell carries out the speed of downgoing baseband process, so as to accelerate the speed that downgoing baseband process is carried out to multiple cell on the whole
Degree.
Optionally, in another embodiment of the present invention, each physics to the cell obtained according to parsing
Channel carries out the parameter information needed for symbol level is processed, the process knot for processing to each physical channel bit level of the cell respectively
Really, the reference signal and synchronous signal sequence of the cell carries out symbol level process, including：
Will be each resource particle included in the OFDM symbol in the cell each subframe for downlink transfer corresponding
Binary bits are extracted from corresponding caching；
Specifically, when the corresponding binary bits of each resource particle are extracted, from first of downlink transfer subframe when
Gap starts, and carries out according to the increasing of each dimension, according to the order of first frequency domain time domain again, each resource is extracted from caching
The corresponding binary bits of particle.
Parameter information needed for symbol level is processed is carried out according to each physical channel to the cell that parsing is obtained, will be carried
The corresponding binary bits of each resource particle included in each OFDM symbol for obtaining are converted to symbol data；
Specifically, after carrying out bit-level process to each physical channel of the cell, the result of storage is all ratio
Special data, including the resource particle extracted from caching, and bit form.In this step process, according to parsing
The each physical channel to the cell for obtaining carries out the parameter information needed for symbol level is processed, and completes each physical channel symbols level
The layer mapping of process and precoding processing.
The symbol data is merged into into complete OFDM antenna port signals, and the OFDM antenna port signals are entered
Row downlink power control, and generate time-domain OFDM symbol.
Specifically, after the resource particle of symbol data form being merged into complete OFDM symbol, need to obtaining
OFDM symbol carries out downlink power control, carries out Inverse Discrete Fourier Transform, adds Cyclic Prefix, generates time-domain OFDM symbol.
Optionally, in another embodiment of the present invention, each physical channel to the cell carries out parallel
Bit-level process, including：
Concurrently to the Master Information Block in the Physical Broadcast Channel of the cell, the control in Physical Control Format Indicator Channel
Downlink Control Information, the downlink data in Physical Downlink Shared Channel in form configured information processed, Physical Downlink Control Channel,
Transmitting uplink data feedback information in physical hybrid automatic repeat request indicator channel carries out bit-level process.
Specifically, for the Master Information Block in the Physical Broadcast Channel, CRC, volume are added successively
Product coding, rate-matched and scrambling are processed；
For the downlink data in the Physical Downlink Shared Channel, block CRC is transmitted successively and is added
Plus, the addition of code block segmentation, code block cyclic redundancy check code, Turbo codings, rate-matched, code block cascade and scrambling process；
For the Downlink Control Information in the Physical Downlink Control Channel, be circulated successively redundancy check code addition,
Convolutional encoding, rate-matched, multiplexing scrambling, four-tuple interleaving treatment；
For the control format configured information in the Physical Control Format Indicator Channel, chnnel coding is carried out successively and is added
Process is disturbed, in addition, in the case where physical district ID and transmission bandwidth determine, Physical Control Format Indicator Channel is mapped to four
Fixed resource unit group, thus Physical Control Format Indicator Channel bit-level process also need to calculate physical control format
Indicate four resource unit groups of channel occupancy；
For the transmitting uplink data feedback information in the physical hybrid automatic repeat request indicator channel, carry out successively
Chnnel coding, modulation, spread spectrum and scrambling are processed；Simultaneously as physical hybrid automatic repeat request indicator channel needs to support single
The Power Control of individual user, needs to carry out single resource unit mapping to physical hybrid automatic repeat request indicator channel, because
This, before resource unit mapping, needs to complete the meter of the resource unit group that physical hybrid automatic repeat request indicator channel takes
Calculate, i.e., when bit-level process is carried out to the physical hybrid automatic repeat request indicator channel, complete the meter of resource unit group
Calculate.
It should be noted that to the scrambling of above-mentioned each physical channel, resource unit mapping, physical down control letter in agreement
The multiplexing in road and four-tuple intertexture etc. are processed, and are completed processing stage symbol level.And in embodiment of the present invention technical scheme
In, all complete in fpga logic device as bit-level process and symbol level are processed, therefore above-mentioned process is advanceed to into bit
Level is processed and is completed, and enormously simplify the complexity of algorithm realization.
Optionally, in another embodiment of the present invention, to the Physical Downlink Control Channel of the cell in it is descending
Control information carries out bit-level process, specifically includes：
CRC and volume are added successively to the Downlink Control Information in the Physical Downlink Control Channel
Product coded treatment；
The Downlink Control Information in the Physical Downlink Control Channel after to convolutional encoding carries out rate-matched process；
Downlink Control Information in all of Physical Downlink Control Channel in subframe after rate-matched process is carried out multiple
With process；
The Downlink Control Information in the Physical Downlink Control Channel after to multiplexing process carries out four-tuple intertexture and adds
Disturb process.
Specifically, for Physical Downlink Control Channel, after agreement regulation is multiplexed and scrambling is processed, first carry out QPSK tune
System, then conversion, i.e. four-tuple intertexture are interleaved by a symbols of four complex-valued symbols.Embodiment of the present invention technical scheme
Processed using the bit-level for first completing Physical Downlink Control Channel, then be multiplexed and scrambled, then with four complex-valued symbols pair
8 bits answered are that unit is interleaved process to being multiplexed the bit stream after scrambling is processed.Agreement regulation physical down control simultaneously
Channel processed will avoid Physical Control Format Indicator Channel when carrying out resource unit mapping and physical mixed HARQ is indicated
The resource unit group (REG) of channel occupancy.Therefore, the bit-level of Physical Downlink Control Channel processes and also needs to calculate physical down
The resource unit group sequence number that control channel takes, and Physical Control Format Indicator Channel and physical mixed HARQ refer to
Show the resource unit group sequence number of channel occupancy.
Optionally, in another embodiment of the present invention, it is shown in Figure 4, it is automatic to the physical mixed of the cell
Repeat requests indicate that the transmitting uplink data feedback information in channel carries out bit-level process, specifically include：
S401, letter is carried out to the transmitting uplink data feedback information in the physical hybrid automatic repeat request indicator channel
Road coded treatment；
Specifically, in the prior art, the chnnel coding of physical hybrid automatic repeat request indicator channel is processed be
Carry out in DSP devices, and in embodiment of the present invention technical scheme, realize in fpga logic device automatic to physical mixed
The chnnel coding process of the transmitting uplink data feedback information in repeat requests instruction channel, specific channel coding process and side
Method specifies to carry out with according to agreement.
S402, to chnnel coding process after the transmitting uplink data feedback information, scrambled and spread processing.
Specifically, embodiment of the present invention technical scheme by it is the scrambling of symbol level in prior art and spread processing equivalent to than
It is superfine to process.For physical hybrid automatic repeat request indicator channel, agreement specifies according to hybrid automatic repeat-request signal
Value is that ACK or NACK is separately encoded as 1 and 0, and coding 1 and 0 is expanded to " 111 " and " 000 " respectively, is modulated using BPSK
3 complex value modulation symbol blocks are corresponded to afterwards, and this 3 complex value modulation symbol blocks are carried out in symbol mode with same orthogonal sequence respectively
It is multiplied and is scrambled, forms the modulation symbol sequence that length is N.In the embodiment of the present invention, orthogonal sequence is carried out into two first and is entered
Then above-mentioned 3 complex value modulation symbols block is distinguished the scrambler sequence of corresponding binary bits and subframe according to association by system coding
The formula of agreed justice carries out equivalence transformation and processes the bit sequence for obtaining that length is 2*N.
Optionally, in another embodiment of the present invention, institute shown in Figure 5, after the process to chnnel coding
Transmitting uplink data feedback information is stated, is scrambled and spread processing, including：
S502, to for the transmitting uplink data feedback information is scrambled and spread processing needed for orthogonal sequence
Carry out binary processing；
Specifically, 3GPP protocol definitions are scrambled to physical hybrid automatic repeat request indicator channel and spread processing institute
Orthogonal sequence is as shown in table 1：
Table 1
Binary processing is carried out to the orthogonal sequence shown in table 1 ,+1 and+j that will be in table 1 be encoded to 0, will -1
1 is encoded to-j.
S503, according to binary processing after the orthogonal sequence and the corresponding scrambler of the cell present sub-frame
Sequence, is scrambled and spread processing to the transmitting uplink data feedback information after chnnel coding process, obtains setting length
The bit sequence of degree.
Specifically, value such as 2 institute of table of orthogonal sequence w and product w* (1-2*c) of scrambler sequence c is calculated according to agreement
Show：
Table 2
Observation table 2 is visible, after the value of orthogonal sequence w is encoded, carries out XOR with the value of scrambler sequence c, obtains
The result 0 or 1 for arriving is reduced according to above-mentioned coding rule and be just equal to product value.For example, orthogonal sequence w value coding after with disturb
The value of code sequence c carries out XOR, obtains result as shown in table 3：
Table 3
When in PHICH groups, orthogonal sequence index is 0～3, corresponding orthogonal sequence and scrambler when XOR result is 0 and 1
The product value of sequence is respectively 1 and -1, and when in PHICH groups, orthogonal sequence index is 4～7, XOR result is 0 corresponding with when 1
The product value of orthogonal sequence and scrambler sequence be respectively+j and-j.
Based on above-mentioned principle, in technical solution of the present invention, with scrambler sequence after directly encode the value of orthogonal sequence w
The value of c carries out XOR, from result of calculation and the value of corresponding relation direct access w* (1-2*c) of w* (1-2*c), simplifies
Calculating process.
According to agreement, for single-bit b (i), will be mapped as replicating symbol x=I+j*Q, such as table 4 after carrying out BPSK modulation
It is shown：
Table 4
The value of the b (i) in table 4 and w* (1-2*c) is carried out into product calculation, the bit sequence of preseting length, such as table 5 is obtained
It is shown：
Table 5
In upper table, willRepresented with bit 0,Represented with bit 1, namely equivalent bit-level is processed, and is simplified
Computation complexity.
Step S401 in the present embodiment in embodiment of the method shown in step S501 correspondence Fig. 4, its particular content are referred to
The content of the embodiment of the method shown in correspondence Fig. 4, here is omitted.
The embodiment of the invention also discloses a kind of base band processing device, shown in Figure 6, including：
Parameter receiving unit 601, carries out the required parameter information of downgoing baseband process for receiving to each cell；Its
In, the parameter information includes carrying out each cell the common parameter information needed for downgoing baseband is processed, and to described each
Each physical channel of individual cell carries out the parameter information needed for downgoing baseband is processed；
Multiple baseband processing units 602, for according to the parameter carried out to each cell needed for downgoing baseband is processed
Information, concurrently carries out downgoing baseband process respectively to described each cell；
Timing unit 603, for providing time reference for the unit of the downgoing baseband processing unit.
Specifically, in the present embodiment unit specific works content, refer to the content of corresponding embodiment of the method,
Here is omitted.
Downgoing baseband processing unit proposed by the present invention, being received by parameter receiving unit 601 first is carried out to each cell
Parameter information needed for downgoing baseband process；Wherein, the parameter information includes that downgoing baseband is carried out to each cell processes institute
The common parameter information for needing, and the parameter letter needed for downgoing baseband is processed is carried out to each physical channel of each cell
Breath；Then multiple baseband processing units 602 process required parameter information according to the downgoing baseband that carries out to each cell, and
Row ground carries out downgoing baseband process respectively to described each cell.In processing procedure, the difference pin of multiple baseband processing units 602
To each cell, downgoing baseband process is concurrently carried out, each baseband processing unit 602 processes independent to the downgoing baseband of cell
Carry out, there is no serial process, treatment effeciency is higher.
Optionally, in another embodiment of the present invention, it is shown in Figure 7, baseband processing unit 602, including：
Parameter analysis of electrochemical module 6021, for from the parameter information carried out to each cell needed for downgoing baseband is processed
In, parsing obtains carrying out the cell in the common parameter information needed for downgoing baseband is processed, each physics letter to the cell
Road carries out the parameter information needed for bit-level is processed, and each physical channel of the cell is carried out needed for symbol level is processed
Parameter information；
Bit-level processing module 6022, enters to the cell for what is obtained according to the Parameter analysis of electrochemical module 6021 parsing
The required common parameter information of row downgoing baseband process and each physical channel to the cell carry out bit-level and process required
Parameter information, parallel bit-level is carried out to each physical channel of the cell and is processed, and generate reference for the cell
Signal and synchronous signal sequence；
Bit cache module 6023, for each physical channel of 6022 pairs of cells of bit-level processing module is entered
Row bit-level process result, and for the cell generate reference signal and synchronous signal sequence delayed respectively
Deposit；
Symbol level processing module 6024, for what is obtained according to the Parameter analysis of electrochemical module 6021 parsing to the cell
Each physical channel carries out the parameter information needed for symbol level is processed, and respectively each physical channel bit level of the cell is processed
Result, the reference signal of the cell and synchronous signal sequence carry out symbol level process.
Specifically, in the present embodiment modules specific works content, refer to the content of corresponding embodiment of the method,
Here is omitted.
Optionally, in another embodiment of the present invention, the symbol level processing module 6024, including：
Data extraction module, for every by what is included in the OFDM symbol in the cell each subframe for downlink transfer
The corresponding binary bits of individual resource particle are extracted from corresponding caching；
Modular converter, for being carried out needed for symbol level is processed according to each physical channel to the cell that parsing is obtained
Parameter information, the corresponding binary bits of each resource particle included in each OFDM symbol that extraction is obtained are converted to symbol
Number；
Control process module, for the symbol data is merged into complete OFDM antenna port signals, and to described
OFDM antenna port signals carry out downlink power control, and generate time-domain OFDM symbol.
Specifically, in the present embodiment modules specific works content, refer to the content of corresponding embodiment of the method,
Here is omitted.
Optionally, in another embodiment of the present invention, 6022 pairs of cells of bit-level processing module is each
When physical channel carries out parallel bit-level process, specifically for：
Concurrently to the Master Information Block in the Physical Broadcast Channel of the cell, the control in Physical Control Format Indicator Channel
Downlink Control Information, the downlink data in Physical Downlink Shared Channel in form configured information processed, Physical Downlink Control Channel,
Data transmission feedback information in physical hybrid automatic repeat request indicator channel carries out bit-level process.
Specifically, in the present embodiment bit-level processing module 6022 specific works content, refer to corresponding method reality
The content of example is applied, here is omitted.
Optionally, in another embodiment of the present invention, the thing of 6022 pairs of cells of bit-level processing module
When Downlink Control Information in reason down control channel carries out bit-level process, specifically for：
CRC and volume are added successively to the Downlink Control Information in the Physical Downlink Control Channel
Product coded treatment；
The Downlink Control Information in the Physical Downlink Control Channel after to convolutional encoding carries out rate-matched process；
Downlink Control Information in all of Physical Downlink Control Channel in subframe after rate-matched process is carried out multiple
With process；
The Downlink Control Information in the Physical Downlink Control Channel after to multiplexing process carries out four-tuple intertexture and adds
Disturb process.
Specifically, in the present embodiment bit-level processing module 6022 specific works content, refer to corresponding method reality
The content of example is applied, here is omitted.
Optionally, in another embodiment of the present invention, the thing of 6022 pairs of cells of bit-level processing module
When transmitting uplink data feedback information in reason hybrid automatic repeat request indication channel carries out bit-level process, specifically for：
Channel volume is carried out to the transmitting uplink data feedback information in the physical hybrid automatic repeat request indicator channel
Code is processed；
To the transmitting uplink data feedback information after chnnel coding process, scrambled and spread processing.
Specifically, in the present embodiment bit-level processing module 6022 specific works content, refer to corresponding method reality
The content of example is applied, here is omitted.
Optionally, in another embodiment of the present invention, the bit-level processing module 6022 is to chnnel coding process
The transmitting uplink data feedback information afterwards, when carrying out scrambling and spread processing, specifically for：
To for the transmitting uplink data feedback information is scrambled and spread processing needed for orthogonal sequence carry out
Binary processing；
The orthogonal sequence and the corresponding scrambler sequence of the cell present sub-frame after according to binary processing,
The transmitting uplink data feedback information after chnnel coding process is scrambled and spread processing, the ratio of preseting length is obtained
Special sequence.
Specifically, in the present embodiment bit-level processing module 6022 specific works content, refer to corresponding method reality
The content of example is applied, here is omitted.
Optionally, in another embodiment of the present invention, shown in Figure 8, baseband processing unit 602 also includes：
Descending time block 6025, for the time reference provided according to the timing unit 603, is the bit
Level processing module 6022 and the data extraction module calculate Startup time.
Specifically, the descending time block 6025 produces each physical channel to cell and carries out the startup of bit-level process
Moment and the Startup time of the data extraction module, and the radio frames of eating dishes without rice or wine generated according to the timing unit 603
Number and subframe numbers generate downgoing baseband process need radio frame number and subframe numbers.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope for causing.
Claims (15)
1. a kind of baseband processing method, it is characterised in that include：
Reception carries out the parameter information needed for downgoing baseband is processed to each cell；Wherein, the parameter information is included to each
Cell carries out the common parameter information needed for downgoing baseband is processed, and each physical channel of each cell is carried out descending
Parameter information needed for Base-Band Processing；
According to the parameter information carried out to each cell needed for downgoing baseband is processed, concurrently described each cell is distinguished
Carry out downgoing baseband process.
2. method according to claim 1, it is characterised in that for any one cell in described each cell, institute
Stating carries out downgoing baseband process, including：
From the parameter information carried out to each cell needed for downgoing baseband is processed, parsing obtains carrying out down the cell
Common parameter information needed for row Base-Band Processing, each physical channel to the cell carry out the parameter letter needed for bit-level is processed
Breath, and the parameter information needed for symbol level is processed is carried out to each physical channel of the cell；
Required common parameter information is processed and to the cell according to the downgoing baseband that carries out to the cell that parsing is obtained
Each physical channel carry out bit-level process needed for parameter information, parallel bit is carried out to each physical channel of the cell
Level is processed, and generates reference signal and synchronous signal sequence for the cell；
Each physical channel to the cell is carried out into the result of bit-level process, and the reference generated for the cell
Signal and synchronous signal sequence are cached respectively；
Parameter information needed for symbol level is processed is carried out according to each physical channel to the cell that parsing is obtained, respectively to institute
Result, the reference signal of the cell and the synchronous signal sequence for stating each physical channel bit level process of cell is accorded with
Number level is processed.
3. method according to claim 2, it is characterised in that each physics to the cell obtained according to parsing
Channel carries out the parameter information needed for symbol level is processed, the process knot for processing to each physical channel bit level of the cell respectively
Really, the reference signal and synchronous signal sequence of the cell carries out symbol level process, including：
Each resource particle corresponding two included in OFDM symbol in the cell each subframe for downlink transfer is entered
Bit processed is extracted from corresponding caching；
Parameter information needed for symbol level is processed is carried out according to each physical channel to the cell that parsing is obtained, will be extracted
To each OFDM symbol in the corresponding binary bits of each resource particle that include be converted to symbol data；
The symbol data is merged into into complete OFDM antenna port signals, and the OFDM antenna port signals are carried out down
Row Power Control, and generate time-domain OFDM symbol.
4. method according to claim 2, it is characterised in that each physical channel to the cell carries out parallel
Bit-level process, including：
Concurrently to the Master Information Block in the Physical Broadcast Channel of the cell, the control lattice in Physical Control Format Indicator Channel
The downlink data in Downlink Control Information, Physical Downlink Shared Channel in formula configured information, Physical Downlink Control Channel, physics
Transmitting uplink data feedback information in hybrid automatic repeat request indication channel carries out bit-level process.
5. method according to claim 4, it is characterised in that descending in the Physical Downlink Control Channel of the cell
Control information carries out bit-level process, specifically includes：
It is added CRC to the Downlink Control Information in the Physical Downlink Control Channel successively and convolution is compiled
Code is processed；
The Downlink Control Information in the Physical Downlink Control Channel after to convolutional encoding carries out rate-matched process；
Downlink Control Information in all of Physical Downlink Control Channel in subframe after rate-matched process is carried out at multiplexing
Reason；
The Downlink Control Information in the Physical Downlink Control Channel after to multiplexing process is carried out at four-tuple intertexture and scrambling
Reason.
6. method according to claim 4, it is characterised in that the physical mixed HARQ of the cell is indicated
Transmitting uplink data feedback information in channel carries out bit-level process, specifically includes：
Transmitting uplink data feedback information in the physical hybrid automatic repeat request indicator channel is carried out at chnnel coding
Reason；
To the transmitting uplink data feedback information after chnnel coding process, scrambled and spread processing.
7. method according to claim 6, it is characterised in that the upstream data after the process to chnnel coding is passed
Defeated feedback information, is scrambled and spread processing, including：
To for the transmitting uplink data feedback information is scrambled and spread processing needed for orthogonal sequence carry out two and enter
Coded treatment processed；
The orthogonal sequence and the corresponding scrambler sequence of the cell present sub-frame after according to binary processing, to letter
The transmitting uplink data feedback information after road coded treatment is scrambled and spread processing, obtains the bit sequence of preseting length
Row.
8. a kind of base band processing device, it is characterised in that include：
Parameter receiving unit, carries out the required parameter information of downgoing baseband process for receiving to each cell；Wherein, the ginseng
Number information includes carrying out each cell the common parameter information needed for downgoing baseband is processed, and to each of each cell
Physical channel carries out the parameter information needed for downgoing baseband is processed；
Multiple baseband processing units, for processing required parameter information according to the downgoing baseband that carries out to each cell, and
Row ground carries out downgoing baseband process respectively to described each cell；
Timing unit, for providing time reference for the unit of the downgoing baseband processing unit.
9. device according to claim 8, it is characterised in that the baseband processing unit, including：
Parameter analysis of electrochemical module, for, from the parameter information carried out to each cell needed for downgoing baseband is processed, parsing
Bit is carried out to the common parameter information carried out to the cell needed for downgoing baseband is processed, to each physical channel of the cell
Level process needed for parameter information, and the parameter information needed for symbol level is processed is carried out to each physical channel of the cell；
Bit-level processing module, for the common parameter carried out to the cell needed for downgoing baseband is processed obtained according to parsing
Information and each physical channel to the cell carry out the parameter information needed for bit-level is processed, each physics to the cell
Channel carries out parallel bit-level and processes, and generates reference signal and synchronous signal sequence for the cell；
Bit cache module, for each physical channel to the cell to be carried out the result of bit-level process, Yi Jiwei
The reference signal and synchronous signal sequence that the cell is generated is cached respectively；
Symbol level processing module, needed for carrying out symbol level process according to each physical channel to the cell that parsing is obtained
Parameter information, the result that respectively each physical channel bit level of the cell is processed, the reference signal of the cell
Symbol level process is carried out with synchronous signal sequence.
10. device according to claim 9, it is characterised in that the symbol level processing module, including：
Data extraction module, for by each money included in the OFDM symbol in the cell each subframe for downlink transfer
Particle corresponding binary bits in source are extracted from corresponding caching；
Modular converter, for the parameter needed for symbol level is processed is carried out according to each physical channel to the cell that parsing is obtained
Information, the corresponding binary bits of each resource particle included in each OFDM symbol that extraction is obtained are converted to symbolic number
According to；
Control process module, for the symbol data is merged into complete OFDM antenna port signals, and to the OFDM
Antenna port signals carry out downlink power control, and generate time-domain OFDM symbol.
11. devices according to claim 9, it is characterised in that each thing of the bit-level processing module to the cell
When reason channel carries out parallel bit-level process, specifically for：
Concurrently to the Master Information Block in the Physical Broadcast Channel of the cell, the control lattice in Physical Control Format Indicator Channel
The downlink data in Downlink Control Information, Physical Downlink Shared Channel in formula configured information, Physical Downlink Control Channel, physics
Transmitting uplink data feedback information in hybrid automatic repeat request indication channel carries out bit-level process.
12. devices according to claim 11, it is characterised in that physics of the bit-level processing module to the cell
When Downlink Control Information in down control channel carries out bit-level process, specifically for：
It is added CRC to the Downlink Control Information in the Physical Downlink Control Channel successively and convolution is compiled
Code is processed；
The Downlink Control Information in the Physical Downlink Control Channel after to convolutional encoding carries out rate-matched process；
Downlink Control Information in all of Physical Downlink Control Channel in subframe after rate-matched process is carried out at multiplexing
Reason；
The Downlink Control Information in the Physical Downlink Control Channel after to multiplexing process is carried out at four-tuple intertexture and scrambling
Reason.
13. devices according to claim 11, it is characterised in that physics of the bit-level processing module to the cell
When transmitting uplink data feedback information in hybrid automatic repeat request indication channel carries out bit-level process, specifically for：
Transmitting uplink data feedback information in the physical hybrid automatic repeat request indicator channel is carried out at chnnel coding
Reason；
To the transmitting uplink data feedback information after chnnel coding process, scrambled and spread processing.
14. devices according to claim 13, it is characterised in that after the bit-level processing module is to chnnel coding process
The transmitting uplink data feedback information, carry out scrambling and during spread processing, specifically for：
To for the transmitting uplink data feedback information is scrambled and spread processing needed for orthogonal sequence carry out two and enter
Coded treatment processed；
The orthogonal sequence and the corresponding scrambler sequence of the cell present sub-frame after according to binary processing, to letter
The transmitting uplink data feedback information after road coded treatment is scrambled and spread processing, obtains the bit sequence of preseting length
Row.
15. devices according to claim 10, it is characterised in that the baseband processing unit, also include：
Descending time block, for the time reference provided according to the timing unit, is the bit-level processing module
And the data extraction module calculates Startup time.
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| CP01 | Change in the name or title of a patent holder |
Address after: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province Patentee after: CITIC Mobile Communication Technology Co.,Ltd. Address before: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province Patentee before: CITIC Mobile Communication Technology Co., Ltd |
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| CP01 | Change in the name or title of a patent holder |