CN101505293A - Processing method and apparatus for uplink control channel data - Google Patents

Processing method and apparatus for uplink control channel data Download PDF

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Publication number
CN101505293A
CN101505293A CNA2009101292063A CN200910129206A CN101505293A CN 101505293 A CN101505293 A CN 101505293A CN A2009101292063 A CNA2009101292063 A CN A2009101292063A CN 200910129206 A CN200910129206 A CN 200910129206A CN 101505293 A CN101505293 A CN 101505293A
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data
time
domain symbol
send
resource block
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Chinese (zh)
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刘杰
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

The embodiment of the invention discloses a data processing method and a data processing device for an uplink control channel, relates to the communication technology, and solves the problem that a data processing process of the uplink control channel is comparatively complex. The method comprises the following steps: generating a data time domain symbol corresponding to data needing to be sent; carrying out time domain expansion for a pilot frequency symbol corresponding to the data needing to be sent to generate a pilot frequency time domain symbol; combining the data time domain symbol and the pilot frequency time domain symbol into a time domain symbol of a resource block length; carrying out frequency domain expansion for the time domain symbol of the resource block length; and mapping a resource block comprising a data symbol and a pilot frequency symbol after the frequency domain expansion onto a physical resource block. The embodiment of the invention is mainly used for a data processing process of the uplink control channel, simplifies the data processing process of the uplink control channel, and improves the data processing efficiency of the uplink control channel.

Description

The processing method of uplink control channel data and device
Technical field
The present invention relates to the communications field, relate in particular to the processing method and the device of uplink control channel data.
Background technology
At LTE (Long Term Evolve, Long Term Evolution) defined PUCCH channel (PhysicalUplink Control Channel in the system, Physical Uplink Control Channel), the PUCCH channel is mainly used in transmission PDSCH (Physical Downlink Shared Channel, Physical Downlink Shared Channel) ACK/NACK information and CQI (Channel Quality Indication, channel quality indication) information etc.This PUCCH channel has defined 6 kinds of data transmission formats, is respectively form 1, form 1a, form 1b, form 2, form 2a, form 2b; Wherein, form 1 is for sending dispatch request information; Form 1a is for sending the ACK/NACK information of 1 bit; Form 1b is for sending the ACK/NACK information of 2 bits; Form 2 is the transmitting channel quality indication (CQI) information; Form 2a is the ACK/NACK information of transmitting channel quality indication (CQI) information and 1 bit; Form 2b is the ACK/NACK information of transmission channel quality indication information and 2 bits.
When the data that will send when the PUCCH channel were the data of form 1 or form 1a or form 1b, to the described processing method of the The data that sends that needs be: the data that will need to send were modulated, and obtain a data symbol; Described data symbol is done frequency domain expansion, scrambling and time domain expansion, obtain having 12 frequencies and 8 data in time domain symbol sebolic addressings, make described data symbol expand to the data field of whole Resource Block; Simultaneously the frequency pilot sign corresponding with described data carried out time domain and frequency domain expansion and generate sequence of pilot symbols with 12 frequencies; Described data symbol and frequency pilot sign being mapped on the Physical Resource Block one by one respectively.
When the data that will send when the PUCCH channel are the data of form 2 or form 2a or form 2b, to the described processing method of the The data that sends that needs be: the described data that need to send are encoded; Data behind the coding are carried out scrambling; Data after the described scrambling are modulated, generate the data time-domain symbol; And described data time-domain symbol made frequency domain expansion, generate data symbol; Simultaneously the frequency pilot sign corresponding with described data carried out the expansion of time domain and frequency domain, generate sequence of pilot symbols; Described data symbol and frequency pilot sign being mapped on the Physical Resource Block one by one respectively.
When being mapped to described data symbol and frequency pilot sign on the Physical Resource Block, frequency pilot sign be mapped with dual mode, first kind, under normal cyclic prefix, 6 frequency pilot signs of a resource block mapping; Second kind, under extended cyclic prefix, 4 frequency pilot signs of a resource block mapping.
In the processing procedure of uplink control channel data, the inventor finds that there are the following problems when prior art was mapped to Physical Resource Block with data symbol and frequency pilot sign: when being mapped to described data symbol and frequency pilot sign on the Physical Resource Block, not only will be with each data symbol and frequency pilot sign being mapped on the Physical Resource Block one by one, but also to described data symbol and frequency pilot sign be mapped on the Physical Resource Block with fixing order, and in the process of frequency pilot sign mapping, also to carry out the mapping of frequency pilot sign according to the Cyclic Prefix form, make the mapping process of data symbol and frequency pilot sign more loaded down with trivial details, make the data handling procedure more complicated of ascending control channel, cause data processing efficiency not high.
Summary of the invention
Embodiments of the invention provide a kind of data processing method and device of ascending control channel, have simplified the data handling procedure of ascending control channel, have improved the data-handling efficiency of ascending control channel.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of data processing method of ascending control channel comprises:
Generate the pairing data time-domain symbol of data that needs transmission;
Frequency pilot sign that will be corresponding with the data that needs send carries out the time domain expansion, generates the pilot tone time-domain symbol;
Described data time-domain symbol and described pilot tone time-domain symbol are combined as the time-domain symbol of a resource block length;
Time-domain symbol to a described resource block length is carried out frequency domain expansion;
With the resource block mapping that comprises data symbol and frequency pilot sign after the frequency domain expansion to Physical Resource Block.
A kind of data processing equipment of ascending control channel comprises:
Generation unit is used to generate the pairing data time-domain symbol of data that needs send;
The time domain expanding element is used for the frequency pilot sign that the data that send with needs are corresponding and carries out the time domain expansion, generates the pilot tone time-domain symbol;
Assembled unit is used for described data time-domain symbol and described pilot tone time-domain symbol are combined as the time-domain symbol of a resource block length;
The frequency domain expansion unit is used for the time-domain symbol of a described resource block length is carried out frequency domain expansion;
Map unit is used for the resource block mapping that comprises data symbol and frequency pilot sign after the frequency domain expansion to Physical Resource Block.
After adopting such scheme, when carrying out the mapping of Physical Resource Block, with the Resource Block is that unit will comprise the resource block mapping of data symbol and frequency pilot sign to Physical Resource Block, avoided distinguishing data symbol and frequency pilot sign with data symbol and the frequency pilot sign complex process that is mapped to Physical Resource Block one by one, and in the process of mapping, do not distinguish the form of Cyclic Prefix, directly with resource block mapping to Physical Resource Block, make the design of the data processing method of ascending control channel reduce loaded down with trivial details condition judgment, simplify the process of data processing, improved data-handling efficiency.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of the data processing method of the embodiment of the invention 1 ascending control channel;
Fig. 2 is the composition frame chart of the data processing equipment of the embodiment of the invention 1 ascending control channel;
Fig. 3 is the flow chart of the data processing method of the embodiment of the invention 2 ascending control channels;
Fig. 4 is the composition frame chart of the data processing equipment of the embodiment of the invention 2 ascending control channels;
Fig. 5 is the format chart of the next Resource Block of normal cyclic prefix in the data processing of the embodiment of the invention 2 ascending control channels;
Fig. 6 is the format chart of the next Resource Block of extended cyclic prefix in the data processing of the embodiment of the invention 2 ascending control channels;
Fig. 7 is the flow chart of the data processing method of the embodiment of the invention 3 ascending control channels;
Fig. 8 is the composition structure chart of the data processing equipment of the embodiment of the invention 3 ascending control channels;
Fig. 9 is the format chart of the next Resource Block of normal cyclic prefix in the data processing of the embodiment of the invention 3 ascending control channels;
Figure 10 is the format chart of the next Resource Block of extended cyclic prefix in the data processing of the embodiment of the invention 3 ascending control channels.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Embodiment 1
The embodiment of the invention provides a kind of data processing method of ascending control channel, and as shown in Figure 1, this method comprises:
101, generate the pairing data time-domain symbol of data that needs transmission.
102, frequency pilot sign that will be corresponding with the data that needs send carries out time domain expansion, generates the pilot tone time-domain symbol, and wherein frequency pilot sign carries out the formula of time domain expansion and is r PUCCH ( m ′ N RS PUCCH + m ) = w ‾ ( m ) , Wherein m = 0 , . . . , N RS PUCCH - 1 , m ′ = 0,1 .
103, described data time-domain symbol and described pilot tone time-domain symbol are combined as the time-domain symbol of a resource block length.
104, each time-domain symbol in the time-domain symbol of a described resource block length be multiply by
Figure A200910129206D0011095038QIETU
Do frequency domain expansion, n=0 wherein ..., 11, produce a Resource Block that comprises data symbol and frequency pilot sign.
105, with the resource block mapping that comprises data symbol and frequency pilot sign after the frequency domain expansion to set in advance with described Resource Block corresponding physical Resource Block on.
The embodiment of the invention also provides a kind of data processing equipment of ascending control channel, and as shown in Figure 2, this device comprises: generation unit 21, time domain expanding element 22, assembled unit 23, frequency domain expansion unit 24, map unit 25.
Generation unit 21, the data that are used for needs are sent generate the data time-domain symbol corresponding with the described data that will send; Time domain expanding element 22 is used for the frequency pilot sign that the data that send with needs are corresponding and carries out the time domain expansion, generates the pilot tone time-domain symbol; Assembled unit 23 is used for described data time-domain symbol and described pilot tone time-domain symbol are combined as the time-domain symbol of a resource block length; Frequency domain expansion unit 24 is used for the time-domain symbol of a described resource block length is carried out frequency domain expansion; Map unit 25 is used for the resource block mapping that comprises data symbol and frequency pilot sign after the frequency domain expansion to Physical Resource Block.
The embodiment of the invention, described data symbol and frequency pilot sign are combined into the time-domain symbol of a resource block length, and each time-domain symbol that time-domain symbol comprised of a described resource block length carried out frequency domain expansion, generation comprises the Resource Block of data symbol and frequency pilot sign, and the resource block mapping that will comprise data symbol and frequency pilot sign is to Physical Resource Block.When carrying out the mapping of Physical Resource Block, with the Resource Block is that unit will comprise the resource block mapping of data symbol and frequency pilot sign to Physical Resource Block, avoided distinguishing data symbol and frequency pilot sign with data symbol and the frequency pilot sign complex process that is mapped to Physical Resource Block one by one, and in the process of mapping, do not distinguish the form of Cyclic Prefix, directly with resource block mapping to Physical Resource Block, make the design of the data processing method of ascending control channel reduce loaded down with trivial details condition judgment, simplify the process of data processing, improved the data-handling efficiency of ascending control channel.
Embodiment 2
The embodiment of the invention provides a kind of data processing method of ascending control channel, when data to be processed when being the data of form 1 or form 1a or form 1b, as shown in Figure 3, this method comprises:
301, in order to make the data that need to send that more performance and data processing method more easily be arranged, at first need the data that need in the ascending control channel to send are encoded.
302, the data behind the described coding are modulated, making the data that need to send is digital signal by analog signal conversion; When the data behind the described coding are modulated, at the data of different-format, different modulation systems is arranged, when the data of needs transmission are the data of form 1 or form 1a, adopt the modulator approach of bi-phase shift keying that the data after encoding are modulated, export a data symbol d (0); When the data of needs transmission are the data of form 1b, adopt the modulator approach of quadriphase PSK that the data after encoding are modulated, export a data symbol d (0).
303, the data after will modulating are passed through formula y ( m ′ · N SF PUCCH + m ) = S ( n s ) · w n oc ( m ) · d ( 0 ) Carry out the expansion of scrambling and time domain, wherein m = 0 , . . . , N SF PUCCH - 1 , m ′ = 0,1 , M '=0,1 generates the data time-domain symbol.
304, after generating data symbol, to carrying out the time domain expansion, generate the pilot tone time-domain symbol with the described corresponding frequency pilot sign of the data that send that needs, wherein frequency pilot sign carries out the formula of time domain expansion and is r PUCCH ( m ′ N RS PUCCH + m ) = w ‾ ( m ) , Wherein m = 0 , . . . , N RS PUCCH - 1 , m ′ = 0,1 . m′＝0，1。
305, described data time-domain symbol and described pilot tone time-domain symbol are combined as the time-domain symbol of a resource block length, wherein the time-domain symbol that described data time-domain symbol and described pilot tone time-domain symbol are combined as a resource block length has dual mode: first kind, under normal cyclic prefix, a Resource Block is contained with 14 time-domain symbol, wherein the data time-domain symbol is 8, and the pilot tone time-domain symbol is 6; Second kind, under the Cyclic Prefix of expansion, a Resource Block holds 12 symbols, and wherein the data time-domain symbol is 8, and the pilot tone time-domain symbol is 4.
306, each time-domain symbol in the time-domain symbol of a described resource block length be multiply by
Figure A200910129206D0011095038QIETU
Do frequency domain expansion, n=0 wherein ..., 11; Described data symbol and frequency pilot sign are expanded on the whole Resource Block.
307, be unit with described Resource Block, with the resource block mapping that comprises data symbol and frequency pilot sign after the frequency domain expansion to set in advance with described Resource Block corresponding physical Resource Block on.
Be directed to the method for the data processing of above-mentioned ascending control channel, the embodiment of the invention also provides a kind of data processing equipment of ascending control channel, as shown in Figure 4, this device comprises: generation unit 41, time domain expanding element 42, assembled unit 43, frequency domain expansion unit 44, map unit 45.
Generation unit 41 is used to generate the pairing data time-domain symbol of data that needs send, 8 time domain data symbols that this described time-domain symbol generates after the time domain expansion for 1 the data symbol that needs to send; When generating described time-domain symbol, time domain expanding element 42 is used for the frequency pilot sign that the data that send with needs are corresponding and carries out the time domain expansion, generation pilot tone time-domain symbol; Assembled unit 43, be used for described data time-domain symbol and described pilot tone time-domain symbol are combined as the time-domain symbol of a resource block length, two kinds of compound modes when making up, described time-domain symbol are arranged, first kind, under Cyclic Prefix, be combined as the Resource Block time-domain symbol of 14 time-domain symbol, 8 data time-domain symbol and 6 pilot tone time-domain symbol, are combined as the Resource Block time-domain symbol that comprises 12 time-domain symbol by second kind under extended cyclic prefix; Frequency domain expansion unit 44 is used for the time-domain symbol of a described resource block length is carried out frequency domain expansion, makes described data symbol and frequency pilot sign expand to whole Resource Block; Map unit 45 is used for the resource block mapping that comprises data symbol and frequency pilot sign after the frequency domain expansion to Physical Resource Block.
Wherein, generation unit 41 comprises: first coding module 411, modulation module 412, scrambling and time domain expansion module 413; First coding module 411 is used for the data that needs send are encoded; Modulation module 412 is used for the data behind the coding are modulated, and generates 1 data symbol d (0); Scrambling and time domain expansion module 413 are used for the data symbol that described modulation generates is carried out scrambling and time domain expansion, generate 8 data time-domain symbol.
Wherein, fashionable in group of data symbols, in order to make the more even of the good pilot symbol distribution of data symbol, reach reasonable communication efficiency, when data symbol and frequency pilot sign are combined as the symbol of a resource block length, two kinds of compound modes are arranged, first kind, under normal cyclic prefix, the data symbol of a Resource Block and the constitutional diagram of frequency pilot sign are as shown in Figure 5; Second kind, under extended cyclic prefix, the data symbol of a Resource Block and the constitutional diagram of frequency pilot sign are as shown in Figure 6.
The embodiment of the invention, before described data time-domain symbol and described pilot tone time-domain symbol are combined as the time-domain symbol of a Resource Block, only described data symbol and described frequency pilot sign are carried out the time domain expansion, after described data time-domain symbol and described pilot tone time-domain symbol are combined as the time-domain symbol of a Resource Block, just data time-domain symbol in the described Resource Block and the unification of pilot tone time-domain symbol are carried out frequency domain expansion, make to the processing procedure of described data symbol and described frequency pilot sign become simple, make the designer when the design of the data processing method of carrying out ascending control channel, a large amount of Do statement and condition judgment statement have been reduced, the data handling procedure of ascending control channel is oversimplified, improved the data-handling efficiency of ascending control channel.
The embodiment of the invention, with resource block mapping during to the Physical Resource Block that sets in advance, the Resource Block that generates with combination is a unit, to comprise on the Physical Resource Block that the resource block mapping preliminary election of described data symbol and frequency pilot sign is provided with, having avoided with a symbol is unit, distinguish data symbol and frequency pilot sign described data symbol and frequency pilot sign are mapped on the Resource Block that sets in advance, and avoided distinguishing the process of the mapping frequency pilot sign of cycle format, simplified the process of data map, make the designer when the design of the data processing method of carrying out ascending control channel, reduce a large amount of Do statement and condition judgment statement, improved the data-handling efficiency of ascending control channel.
Embodiment 3
The embodiment of the invention provides a kind of data processing method of ascending control channel, and when data to be processed were the data of form 2 or form 2a or form 2b, as shown in Figure 7, this method comprised:
701, the form of the data that send according to Cyclic Prefix form and needs, the data combination that needs are sent is the data of 22 bit lengths, before carrying out data combination, has set in advance the array a (i) of 22 length, i=0 wherein ..., 21.When carrying out data combination, three kinds of different combining forms are arranged, be specially:
First kind, when the data of needs transmission were the data of form 2, the channel quality designation data that needs are sent began the order placement from a (0) position, finished the Data Position zero-adding that all the other are idle up to all channel quality designation datas are placed.
Second kind, the data that send when needs are the data of form 2a or form 2b and when adopting the form of normal cyclic prefix, channel quality designation data in the data of needs transmission is begun order place from a (0) position, finish up to all channel quality designation datas are placed; ACK/NACK data in the described data that need to send are placed on the position of a (20) and a (21) in proper order, wherein when the data that will send are the data of form 2a, the ACK/NACK data that same bit is placed in the position of a (20) and a (21); When the data that will send are the data of form 2b, the ACK/NACK data that the sequence of positions of a (20) and a (21) is placed 2 bits; With all the other idle data position zero-addings.
The third, the data that send when needs are the data of form 2a or form 2b and when adopting extended cyclic prefix, channel quality designation data in the described data that need to send is begun order place from a (0) position, finish up to described channel quality designation data is placed; ACK/NACK data in the described data that need to send are placed on back with described channel quality designation data in proper order; With all the other idle data placement location zero-addings.
702, the data of described 22 bits are encoded, export the coded data of 22 bits altogether, wherein preceding 20 Bit datas in described 22 Bit datas are adopted formula b i = Σ n = 0 19 ( a ( n ) · M i , n ) mod 2 Encode, i=0 wherein ..., 19; The data of the 21st and the 22nd bit in described 22 Bit datas remain unchanged, the data before the data behind the coding equal to encode.
703, the data behind the described coding are carried out scrambling, generate the scrambler of 22 bits, wherein 22 bit scramblers generate and adopt following formula: b ~ ( i ) = ( b ( i ) + c ( i ) ) mod 2 , Wherein
Figure A200910129206D00162
704, the scrambler to 22 bits after the described scrambling adopts the modulation system of quadriphase PSK to modulate, and generates 11 data symbol d (0)-d (10), and this data symbol does not carry out frequency domain expansion, so this data symbol is the data time-domain symbol.
705, after generating described data time-domain symbol, frequency pilot sign that will be corresponding with the data that needs send is according to formula r PUCCH ( m ′ N RS PUCCH + m ) = w ‾ ( m ) z ( m ) Carry out the time domain expansion, generate the pilot tone time-domain symbol, wherein m = 0 , . . . , N RS PUCCH - 1 , m ′ = 0,1 , z ( 0 ) = 1 , z ( 1 ) = d ( 10 ) . m′＝0，1，z(0)＝1，z(1)＝d(10)。
706, described data time-domain symbol and described pilot tone time-domain symbol are combined as the time-domain symbol of a resource block length, wherein the time-domain symbol that described data time-domain symbol and described pilot tone time-domain symbol are combined as a resource block length has dual mode: first kind, under normal cyclic prefix, a Resource Block is contained with 14 time-domain symbol, wherein the data time-domain symbol is 10, and the pilot tone time-domain symbol is 4; Second kind, under the Cyclic Prefix of expansion, a Resource Block holds 12 symbols, and wherein the data time-domain symbol is 10, and the pilot tone time-domain symbol is 2.
707, each time-domain symbol that time-domain symbol comprised to described resource block length multiply by
Figure A200910129206D0011095038QIETU
Do frequency domain expansion, n=0 wherein ..., 11; Data symbol and frequency pilot sign are expanded on the whole Resource Block.
708, with the Resource Block be unit, with the resource block mapping that comprises data symbol and frequency pilot sign after the frequency domain expansion to set in advance with described Resource Block corresponding physical Resource Block on.
Be directed to the processing method of data of above-mentioned ascending control channel, the embodiment of the invention also provides a kind of device of data processing of ascending control channel, as shown in Figure 8, this device comprises: generation unit 81, time domain expanding element 82, assembled unit 83, frequency domain expansion unit 84, map unit 85.
Generation unit 81 is used to generate the pairing data time-domain symbol of data that needs send; Time domain expanding element 82 is used for the frequency pilot sign that the data that send with needs are corresponding and carries out the time domain expansion, generates the pilot tone time-domain symbol; Assembled unit 83 is used for described data time-domain symbol and described pilot tone time-domain symbol are combined as the time-domain symbol of a resource block length; Frequency domain expansion unit 84 is used for the time-domain symbol of a described resource block length is carried out frequency domain expansion; Map unit 85 is used for the resource block mapping that comprises data symbol and frequency pilot sign after the frequency domain expansion to Physical Resource Block.
Wherein, generation unit 81 comprises: data combination module 811, second coding module 812, scrambling module 813, modulation module 814; Data combination module 811 is used for the form according to Cyclic Prefix form and needs transmission data, and the data combination that needs are sent is the data of 22 bit lengths; When carrying out data combination, three kinds of different combining forms are arranged, be specially: first kind, when the data of needs transmission are the data of form 2, the channel quality designation data that needs send is placed from a (0) sequence of positions, up to being placed, all channel quality designation datas finish the Data Position zero-adding that all the other are idle.Second kind, the data that send when needs are the data of form 2a or form 2b and when adopting the form of normal cyclic prefix, channel quality designation data in the data of needs transmission is placed from a (0) sequence of positions, finish up to all channel quality designation datas are placed; ACK/NACK data in the described data that need to send are placed on the position of the 20th and the 21st bit in proper order, wherein when the data that will send are the data of form 2a, the ACK/NACK data that same bit is placed in the position of a (20) and a (21); When the data that will send are the data of form 2b, the ACK/NACK data that the sequence of positions of a (20) and a (21) is placed 2 bits; With all the other idle data position zero-addings.The third, the data that send when needs are the data of form 2a or form 2b and when adopting extended cyclic prefix, channel quality designation data in the described data that need to send is begun order place from a (0) position, finish up to described channel quality designation data is placed; ACK/NACK data in the described data that need to send are placed on back with described channel quality designation data in proper order; With all the other idle data placement location zero-addings.
Second coding module 812 is used for the data of described 22 bit lengths are encoded, and exports the coded data of 22 bits; Scrambling module 813 is used for 22 encoded data pits behind the described coding are carried out scrambling, generates the scrambler of 22 bits; Modulation module 814 is used for adopting the modulator approach of quadriphase PSK to modulate to described scrambler, exports 11 data time-domain symbol.
Wherein, fashionable in group of data symbols, in order to make the more even of the good pilot symbol distribution of data symbol, reach reasonable communication efficiency, when data symbol and frequency pilot sign are combined as the symbol of a resource block length, two kinds of compound modes are arranged, first kind, under normal cyclic prefix, the data symbol of a Resource Block and the constitutional diagram of frequency pilot sign are as shown in Figure 9; Second kind, under extended cyclic prefix, the data symbol of a Resource Block and the constitutional diagram of frequency pilot sign are as shown in figure 10.
The embodiment of the invention, at first the form according to data format and Cyclic Prefix is the data of 22 bits with the data combination that needs send, then the data of described 22 bits are encoded, generate the coded data of 22 bits, avoided the data bits difference of the data encoded back generation of different-format, and the data under the same format are owing to adopt the also different complex situations of data of the different encoded back generations of form that are Cyclic Prefix, no matter making the data that need to send is any data format, no matter and under the form of which kind of Cyclic Prefix, the data bits that encoded back generates is all identical, make the designer when setting in advance the array that holds the data that need transmission, the array that only defines a kind of length just can hold the data of various forms, avoided searching the step of array length, made simple that the data handling procedure of ascending control channel becomes.And the data after combination are when modulating, do not need to distinguish which kind of Cyclic Prefix form and what data format, unify modulation and just can export 11 data symbols as long as 22 bits after will making up are data, simplified the process of data-modulated largely, make the designer when the design of the data processing method of carrying out ascending control channel, reduce a large amount of Do statement and condition judgment statement, improved the data-handling efficiency of ascending control channel.
The embodiment of the invention, with resource block mapping during to the Physical Resource Block that sets in advance, with the Resource Block is unit, to comprise on the Physical Resource Block that the resource block mapping preliminary election of described data symbol and frequency pilot sign is provided with, having avoided with a symbol is unit, distinguish data symbol and frequency pilot sign described data symbol and frequency pilot sign are mapped on the Resource Block that sets in advance, and avoided distinguishing the process of the mapping frequency pilot sign of cycle format, simplified the process of data map, make the designer when the design of the data processing method of carrying out ascending control channel, reduce a large amount of Do statement and condition judgment statement, improved the data-handling efficiency of ascending control channel.
Through the above description of the embodiments, the those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential common hardware, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium that can read, floppy disk as computer, hard disk or CD etc., comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection range with claim.

Claims (16)

1, a kind of data processing method of ascending control channel is characterized in that, comprising:
Generate the pairing data time-domain symbol of data that needs transmission;
Frequency pilot sign that will be corresponding with the data that needs send carries out the time domain expansion, generates the pilot tone time-domain symbol;
Described data time-domain symbol and described pilot tone time-domain symbol are combined as the time-domain symbol of a resource block length;
Time-domain symbol to a described resource block length is carried out frequency domain expansion;
With the resource block mapping that comprises data symbol and frequency pilot sign after the frequency domain expansion to Physical Resource Block.
2, the data processing method of ascending control channel according to claim 1, it is characterized in that, when the described data that need send were the data of form 1 or form 1a or form 1b form, the data time-domain symbol of the data correspondence that described generation need send comprised:
The data that needs send are encoded;
Data behind the coding are modulated;
Data after the modulation are carried out scrambling and time domain expansion, and generate the data time-domain symbol.
3, the data processing method of ascending control channel according to claim 2 is characterized in that, described data behind the coding are modulated comprises:
When the data that need send are the data of form 1 or form 1a, adopt the modulation system of bi-phase shift keying that the data after encoding are modulated; Perhaps
When the data that need send are the data of form 1b, adopt the modulation system of quadriphase PSK that the data after encoding are modulated.
4, the data processing method of ascending control channel according to claim 1, it is characterized in that, when the described data that need send were the data of form 2 or form 2a or form 2b form, the data time-domain symbol of the data correspondence that described generation need send comprised:
The form of the data that send according to Cyclic Prefix form and needs, the data combination that needs are sent is the data of 22 bit lengths;
Data to described 22 bit lengths are encoded;
Data behind the described coding are carried out scrambling;
Data after the described scrambling are modulated the dateout time-domain symbol.
5, the data processing method of ascending control channel according to claim 4 is characterized in that, when the data that send when needs were the data of form 2, the data that the described data combination that will need to send is 22 bit lengths comprised:
The channel quality designation data of needs is placed since the position order of first bit, up to the described data placement that needs to send is finished all the other idle data position zero-addings.
6, the data processing method of ascending control channel according to claim 4, it is characterized in that, the data that send when needs are the data of form 2a or form 2b and when adopting normal cyclic prefix, and the data that the described data combination that will need to send is 22 bit lengths comprise:
Channel quality designation data in the described data that need to send is placed since the position order of first bit, finish up to described channel quality designation data is placed;
ACK/NACK data in the described data that need to send are placed in proper order the position of the 20th and the 21st bit;
With all the other idle data position zero-addings.
7, the data processing method of ascending control channel according to claim 4, it is characterized in that, the data that send when needs are the data of form 2a or form 2b and when adopting extended cyclic prefix, and the data that the described data combination that will need to send is 22 bit lengths comprise:
Channel quality designation data in the described data that need to send is placed since the position order of first bit, finish up to described channel quality designation data is placed;
ACK/NACK data in the described data that need to send are placed on back with described channel quality designation data in proper order;
With all the other idle data placement location zero-addings.
8, the data processing method of ascending control channel according to claim 1 is characterized in that, the described time-domain symbol that data time-domain symbol and pilot tone time-domain symbol are combined as a resource block length comprises:
Under normal cyclic prefix, data time-domain symbol and pilot tone time-domain symbol are combined as the Resource Block time-domain symbol that comprises 14 time-domain symbol; Perhaps
Under extended cyclic prefix, data time-domain symbol and pilot tone time-domain symbol are combined as the Resource Block time-domain symbol that comprises 12 time-domain symbol.
9, a kind of data processing equipment of ascending control channel is characterized in that, comprising:
Generation unit is used to generate the pairing data time-domain symbol of data that needs send;
The time domain expanding element is used for the frequency pilot sign that the data that send with needs are corresponding and carries out the time domain expansion, generates the pilot tone time-domain symbol;
Assembled unit is used for described data time-domain symbol and described pilot tone time-domain symbol are combined as the data time-domain symbol of a Resource Block;
The frequency domain expansion unit is used for the time-domain symbol of a described resource block length is carried out frequency domain expansion;
Map unit is used for the resource block mapping that comprises data symbol and frequency pilot sign after the frequency domain expansion to Physical Resource Block.
10, the data processing equipment of ascending control channel according to claim 9 is characterized in that, described generation unit comprises:
First coding module is used for the data that needs send are encoded;
Modulation module is used for the data behind the coding are modulated;
Scrambling and time domain expansion module are used for the data after the modulation are carried out scrambling and time domain expansion, and generate the data time-domain symbol.
11, the data processing equipment of ascending control channel according to claim 10 is characterized in that,
When described modulation module was used for data that needs send and is the data of form 1 or form 1a, the data of the modulation system that adopts bi-phase shift keying after to coding were modulated;
When described modulation module was used for data that needs send and is the data of form 1b, the data of the modulation system that adopts quadriphase PSK after to coding were modulated.
According to the data processing equipment of claim 9 or 10 described ascending control channels, it is characterized in that 12, described generation unit also comprises:
The data combination module is used for the form according to the data of Cyclic Prefix form and needs transmission, and the data combination that needs are sent is the data of 22 bit lengths;
Second coding module is used for the data of described 22 bit lengths are encoded;
Described scrambling module is used for the data behind the described coding are carried out scrambling;
Described modulation module is used for the data after the described scrambling are modulated, the dateout time-domain symbol.
13, the data processing equipment of ascending control channel according to claim 12, it is characterized in that, described data combination module is used for when the data of needs transmission are the data of form 2, the channel quality designation data that needs send is placed since the position order of first bit, up to the described data placement that needs to send is finished all the other idle data position zero-addings.
14, the data processing equipment of ascending control channel according to claim 12 is characterized in that,
Described data combination module is used under normal cyclic prefix, when the data of needs transmission are the data of form 2a or form 2b, channel quality designation data in the described data that need to send is placed since the position order of first bit, finish up to described channel quality designation data is placed;
Described data combination module also is used for the ACK/NACK data of the data of described needs transmission are placed in proper order the position of the 20th and the 21st bit;
Described data combination module is also used all the other idle data position zero-addings.
15, the data processing equipment of ascending control channel according to claim 12 is characterized in that,
Described data combination module is used under extended cyclic prefix, when the data of needs transmission are the data of form 2a or form 2b, channel quality designation data in the described data that need to send is placed since the position order of first bit, finish up to described channel quality designation data is placed;
The ACK/NACK data that described data combination module also is used for data that described needs are sent are placed on the back with described channel quality designation data in proper order;
Described composite module also is used for through all the other idle data placement location zero-addings.
16, the data processing equipment of ascending control channel according to claim 9 is characterized in that,
Described assembled unit is used under normal cyclic prefix, and data time-domain symbol and pilot tone time-domain symbol are combined as the Resource Block time-domain symbol that comprises 14 time-domain symbol; Perhaps
Described assembled unit also is used under extended cyclic prefix, and data time-domain symbol and pilot tone time-domain symbol are combined as the Resource Block time-domain symbol that comprises 12 time-domain symbol.
CNA2009101292063A 2009-03-13 2009-03-13 Processing method and apparatus for uplink control channel data Pending CN101505293A (en)

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