CN102377509A - Control information transmitting method, control information receiving method and control information receiving equipment - Google Patents
Control information transmitting method, control information receiving method and control information receiving equipment Download PDFInfo
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- CN102377509A CN102377509A CN201010257406XA CN201010257406A CN102377509A CN 102377509 A CN102377509 A CN 102377509A CN 201010257406X A CN201010257406X A CN 201010257406XA CN 201010257406 A CN201010257406 A CN 201010257406A CN 102377509 A CN102377509 A CN 102377509A
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Abstract
The embodiment of the invention provides a control information transmitting method, a control information receiving method and control information receiving equipment. The control information transmitting method comprises the following steps of: coding control information and then mapping the coded control information to a physical uplink control channel; and transmitting information mapped to the physical uplink channel to a base station, wherein a coding bit sequence corresponding to the information transmitted to the base station comprises coding bits corresponding to other lines except a first line and a second line in a coding matrix of (20, A) codes, or comprises coding bits corresponding to other lines except a third line and a fourth line in the coding matrix of the (20, A) codes and A is a bit number of the control information. According to the embodiment of the invention, the performance of the control information transmitted on an interceptive physical uplink control channel is improved.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of control information sending method, control information method of reseptance and equipment.
Background technology
At third generation partner program (3rd Generation Partnership Project; 3GPP LTE) in the Rel-8 system, in order to support dynamic dispatching, descending multiple-input and multiple-output (Multiple Input MultipleOutput; MIMO) technology such as transmission and the automatic re-transmission of mixing, Physical Uplink Control Channel (Physical Uplink Control Channel need be passed through in the terminal; PUCCH) (be ascending control information (Uplink Control Information to base station feedback various control information; UCI)), for example: channel quality indication (ChannelQuality Indicator; CQI), pre-coding matrix indication (Precoding Matrix Indicator; PMI), order indication (Rank Indication; RI), be used to mix affirmation information and the dispatch request etc. of automatic re-transmission.
Senior Long Term Evolution (Long Term Evolution-Advanced; Be called for short: LTE-A) be 3GPP Long Term Evolution (LTE Long Term Evolution; LTE) the further evolution and the enhanced system of system.In the LTE-A system, for satisfy International Telecommunications Union for the 4th generation the communication technology peak data rate require to have introduced carrier aggregation (Carrier Aggregation; CA) technology.When subscriber equipment inserts a plurality of member carrier downlink data receiving simultaneously, all need be to each downlink member carrier at uplink feedback channel state information (channel state information; Control information such as CSI) comprises CQI, PMI, RI or other information relevant with channel status, and PUCCH form 2 (Format2) can be used for transmitting these channel condition informations.The feedback of the channel condition information of a plurality of descending carriers adopts time-multiplexed method to report usually, and a promptly common sub-frame only reports the channel condition information of a descending carrier.Thereby the introducing of carrier aggregation technology can make the frequency that reports of channel condition information increase.
In the LTE system; Obtain uplink signal-channel quality or carry out operations such as timing estimation for the ease of the base station; (SingleCarrier-Frequency Division Multiple Access SC-FDMA) sends detection reference signal (Sounding Reference Signal to the base station on the symbol to last single-carrier frequency division multiple access of the PUCCH that subscriber equipment needs periodically in a sub-frame; SRS), and the channel condition information that adopts PUCCH Format2 to send also is the transmission in cycle, thereby exists channel condition information and the SRS need be in the scene of sub-frame transmission.In LTE Rel-8 system, when channel condition information and SRS need when same subframe is sent, subscriber equipment will abandon SRS and transmitting channel state information only.But in the LTE-A system; Because the introducing of carrier aggregation technology makes the frequency that reports of channel condition information increase greatly, thereby channel condition information and detection reference signal need the also increase greatly of frequency of sending in same subframe; This moment is if always abandon SRS like LTERel-8; Can make the base station always can not obtain the up channel state information, and then can't carry out suitable scheduling, thereby influence systematic function greatly.Thereby, in the LTE-A system, need to support channel quality information and SRS transmission simultaneously in a sub-frame.
The prior art terminal is to control informations such as base station transmitting channel state informations the time, and last the SC-FDMA symbol with PUCCHFormat2 blocks usually, and promptly last SC-FDMA symbol does not send control information, but sends the SRS signal.How to realize the transmission performance of the control information of the system that guarantees.
Summary of the invention
The embodiment of the invention provides a kind of control information sending method, control information method of reseptance and equipment, in order to improve the performance of system.
On the one hand, the embodiment of the invention provides the control information sending method, comprising:
With being mapped on the Physical Uplink Control Channel behind the control information coding;
The information that is mapped on the said Physical Uplink Control Channel is sent to the base station, and the said information corresponding codes bit sequence that sends to the base station comprises that (20, other go corresponding codes bits capable with second A) to remove first row in the encoder matrix of sign indicating number; Perhaps, comprise said (20, A) remove the third line in the encoder matrix of sign indicating number and other capable corresponding codes bits the fourth line; A is the bit number of said control information.
On the other hand, the embodiment of the invention also provides a kind of control information method of reseptance, comprising:
The control information that receiving terminal sends;
The candidate control information coding corresponding to said control information obtains the 5th sequences of code bits, and said the 5th sequences of code bits comprises that (20, other go corresponding codes bits going with second A) to remove first row in the encoder matrix of sign indicating number; Perhaps, comprise said (20, A) remove the third line in the encoder matrix of sign indicating number and other capable corresponding codes bits the fourth line, A is the bit number of said candidate's control information;
According to of the control information decoding of said the 5th sequences of code bits to receiving.
On the other hand, the embodiment of the invention also provides a kind of terminal, comprising:
The coding mapping block is used for being mapped to Physical Uplink Control Channel behind the control information coding;
Sending module; The information that is used for will being mapped on the said Physical Uplink Control Channel sends to the base station; The said information corresponding codes bit sequence that sends to the base station comprises that (20, other go corresponding codes bits capable with second A) to remove first row in the encoder matrix of sign indicating number; Perhaps, comprise said (20, A) remove the third line in the encoder matrix of sign indicating number and other capable corresponding codes bits the fourth line; A is the bit number of said control information.
The embodiment of the invention also provides a kind of base station, comprising:
Receiver module is used for the control information that receiving terminal sends;
Coding module is used for the candidate control information coding corresponding to said control information, obtains the 5th sequences of code bits, and said the 5th sequences of code bits comprises that (20, other go corresponding codes bits going with second A) to remove first row in the encoder matrix of sign indicating number; Perhaps, comprise said (20, A) remove the third line in the encoder matrix of sign indicating number and other capable corresponding codes bits the fourth line, A is the bit number of said candidate's control information;
Decoding module is used for according to the control information decoding of said the 5th sequences of code bits to receiving.
The control information sending method that the embodiment of the invention provides, control information method of reseptance and equipment; After encoding to control information and be mapped to Physical Uplink Control Channel in the terminal; Be sent in the information of base station and do not comprise (20; A) first row and the second row corresponding codes in the encoder matrix of sign indicating number, perhaps do not comprise (20, A) the third line and fourth line corresponding codes in the encoder matrix of sign indicating number; The information of the bit in the control information of carrying in two coded-bits that remove is less; Thereby reduced the performance loss that the Physical Uplink Control Channel that blocks blocks the control information that last SC-FDMA symbol brings; The transmission performance that has improved control information realizes that the terminal in the end periodically sends the SRS signal to the base station during SC-FDMA symbol, has improved the performance of system.
Description of drawings
Fig. 1 is the flow chart of control information sending method first embodiment provided by the invention;
Fig. 2 is the flow chart of control information sending method second embodiment provided by the invention;
Fig. 3 is the flow chart of control information sending method the 3rd embodiment provided by the invention;
Fig. 4 is the flow chart of control information method of reseptance first embodiment provided by the invention;
Fig. 5 a is control information sending method the 4th an embodiment flow chart provided by the invention;
Fig. 5 b is the another kind of by way of example flow chart of control information sending method the 4th embodiment provided by the invention;
Fig. 5 c is another by way of example flow chart of control information sending method the 4th embodiment provided by the invention;
Fig. 6 a is control information sending method the 5th an embodiment flow chart provided by the invention;
Fig. 6 b is the another kind of by way of example flow chart of control information sending method the 5th embodiment provided by the invention;
Fig. 7 is the resource network trrellis diagram of each time slot under the existing normal cyclic prefix (Normal CP);
Fig. 8 a provides the control information method of reseptance the second embodiment flow chart for the present invention;
Fig. 8 b is the another kind side of enforcement flow chart of control information method of reseptance second embodiment provided by the invention;
Fig. 8 c is another side's of enforcement flow chart of control information method of reseptance second embodiment provided by the invention;
Fig. 9 is the terminal provided by the invention first example structure sketch map;
Figure 10 is the terminal provided by the invention second example structure sketch map;
Figure 11 terminal provided by the invention the 3rd example structure sketch map;
Figure 12 is terminal provided by the invention the 4th an example structure sketch map;
Figure 13 is the base station provided by the invention first example structure sketch map;
Figure 14 is the base station provided by the invention second example structure sketch map;
Figure 15 is the control information receive-transmit system first example structure sketch map provided by the invention.
Embodiment
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Fig. 1 is the flow chart of control information sending method first embodiment provided by the invention, and referring to Fig. 1, this method comprises:
S101, be mapped on the Physical Uplink Control Channel behind the control information coding;
S102, the information that will be mapped on the Physical Uplink Control Channel are sent to the base station, are sent in the information bit sequence of base station and comprise that (20, other go corresponding codes bits capable with second A) to remove first row in the encoder matrix of sign indicating number; Perhaps, comprise (20, A) remove the third line in the encoder matrix of sign indicating number and other capable corresponding codes bits the fourth line; A is the bit number of control information.
In the embodiment of the invention (20, A) sign indicating number is block code (block code), for example: can also can be Randt's Miller code of blocking for Randt's Miller (Reed-Muller) sign indicating number, or other forms of block code.Should (20, A) encoder matrix of sign indicating number can have various ways, and the present invention describes with the encoder matrix shown in the table one:
| i | M i，0 | M i，1 | M i，2 | ?M i，3 | M i，4 | M i，5 | M i，6 | M i，7 | M i，8 | M i，9 | M i，10 | M i，11 | M i，12 |
| 0 | 1 | 1 | 0 | ?0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
| 1 | 1 | 1 | 1 | ?0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 |
| 2 | 1 | 0 | 0 | ?1 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 |
| 3 | 1 | 0 | 1 | ?1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 |
| 4 | 1 | 1 | 1 | ?1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 |
| 5 | 1 | 1 | 0 | ?0 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 |
| 6 | 1 | 0 | 1 | ?0 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 |
| 7 | 1 | 0 | 0 | ?1 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 1 |
| 8 | 1 | 1 | 0 | ?1 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 1 |
| 9 | 1 | 0 | 1 | ?1 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 1 |
| 10 | 1 | 0 | 1 | ?0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 |
| 11 | 1 | 1 | 1 | ?0 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 1 |
| 12 | 1 | 0 | 0 | ?1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| 13 | 1 | 1 | 0 | ?1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 |
| 14 | 1 | 0 | 0 | ?0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 |
| 15 | 1 | 1 | 0 | ?0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 |
| 16 | 1 | 1 | 1 | ?0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 1 |
| 17 | 1 | 0 | 0 | ?1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 1 |
| 18 | 1 | 1 | 0 | ?1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| 19 | 1 | 0 | 0 | ?0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Table one
Wherein, A representes the bit number of control information, and span can be 1 to 13; The bit number of the sequences of code bits that 20 expression control informations obtain behind coding.(20, A) the capable row that refers to i=j-1 in the encoder matrix of j of the encoder matrix of sign indicating number, for example: (20 among the present invention; A) first row in the encoder matrix of sign indicating number can refer to the row of i=0 in the table one; (20, A) second row in the encoder matrix of sign indicating number can refer to the row of i=1 in the table 1, and the like; (20, A) capable that row that refers to i=j-1 in the table 1 of the j in the encoder matrix of sign indicating number.
Coded-bit also can be described as code word bits (code word), and sequences of code bits also can be described as the code word bits sequence, and encoding ratio refers in particular to the bit sequence that the control information bit sequence is encoded and afterwards obtained.
With (20, A) the capable corresponding codes ratio of j refers in particular in the encoder matrix of sign indicating number: by (20, A) the capable coded-bit that obtains after the control information bit sequence is encoded of the j in the encoder matrix of sign indicating number.
Control information can be passed through the various UCIs of PUCCH to base station feedback for the terminal, for example: CQI, PMI, RI and ACK/NACK etc.Control information waiting for transmission can be one or more bits, and usually, the span of the bit number A of control information can be 1 to 13.These bits are formed the bit sequence of control information.After the bit sequence of control information encoded, what obtain was the sequences of code bits that is made up of a plurality of bits.
The information corresponding codes bit sequence that sends to the base station refers to the information of sequences of code bits through obtaining after a series of processing; As can be with sequences of code bits through scrambling, modulate and take advantage of the SC-FDMA symbol that is mapped to Physical Uplink Control Channel behind the orthogonal intersection, with sending to the base station on the gained information.
Concrete, if the information bit sequence of control information to be sent is a
0, a
1, a
2..., a
(A-1)If, to the bit sequence of control information according to formula:
Wherein, M
I, n(i=0,1,2 ..., B-1, n=0,1,2 ..., A-1) be shown in the table one (20, A) capable, the corresponding element of n+1 row of i+1 in the encoder matrix of sign indicating number, B=20; According to shown in formula (1) table one (20, A) sign indicating number encoder matrix encode, the coded-bit in the sequences of code bits that then obtains is:
b
i=(a
0M
I, 0+ a
1M
I, 1+ ... + a
nM
I, n+ ... + a
A-1M
I, A-1) mod 2; b
iRepresentative with (20, A) the capable corresponding codes bit of i+1 in the encoder matrix of sign indicating number, promptly (20, A) the capable coded-bit that obtains after the control information bit sequence is encoded of the i+1 in the encoder matrix of sign indicating number.Wherein, the row of i=0 corresponding (20, A) first of the encoder matrix of the sign indicating number row, the row of i=1 corresponding (20, A) second of the encoder matrix row ..., and the like, the row of i=19 corresponding (20, A) the 20th of the encoder matrix of sign indicating number the row.
To the sequences of code bits that obtains behind the control information coding under some scenes; Scrambling can be carried out to the 20 bits of encoded bit sequences that obtain behind the coding in the terminal; Can modulate successively by certain constellation point mapping mode then; Modulation obtains modulation symbol (also can be described as complex values modulation symbol complex-valuedmodulation symbols) later, and concrete constellation point mapping mode can be for carrying out QPSK (Quaternary Phase Shift Keying; QPSK) or mode such as 16QAM, following examples all describe with the QPSK modulation, but not as limit.
The QPSK modulation symbol that obtains after the modulation; Can carry out respectively after frequency domain takes advantage of orthogonal intersection to carry out band spectrum modulation; Be mapped on two time slots (slot) of Physical Uplink Control Channel PUCCH, the later sign map to of the spread spectrum that each QPSK modulation symbol is corresponding is not carried on the SC-FDMA symbol of pilot signal.Need to prove, in the LTE system,, so call the SC-FDMA symbol to each time-domain symbol of physical uplink channel because up the need keeps single-carrier property.During for example for normal cyclic prefix (Normal CP), Physical Uplink Control Channel comprises 14 SC-FDMA symbols, 7 of each time slots.
And the sequences of code bits that obtains after control information encoded is after scrambling and QPSK modulation, rises abruptly the corresponding QPSK modulation symbol of per two coded-bits from first encoding ratio of sequences of code bits.From b
iFormula can find out: work as M
I, nBe 0 o'clock, b
iIn do not carry a in the control information bit sequence
nThe information of bit is supposed b
iAnd b
I+1If corresponding QPSK modulation symbol after the QPSK modulation is M
I+1, nAlso be 0, b then
I+1In do not carry a in the control information bit sequence yet
nThe information of bit, b so
iAnd b
I+1Do not carry a in the control information bit sequence in the corresponding QPSK modulation symbol
nThe information of bit.
Can find out in every column element of table one continuous " 0 " element (M for example
I, nAnd M
I+1, nBe " 0 "), the QPSK modulation symbol that can cause some coded-bit in first sequences of code bits after the QPSK modulation, to obtain does not carry corresponding bit information in the control information bit sequence (a for example
n).For example: the 6th row (M in the table one
I, 5), the element of preceding 10 row is " 0 ", and 5 QPSK modulation symbols that then preceding 10 row corresponding codes bits obtain after the QPSK modulation all do not carry a in the control information bit sequence
5The information of bit, the sign map that promptly obtains after these 5 QPSK modulation symbol band spectrum modulation is not carried a in the 1st time slot of PUCCH behind PUCCH
5Thereby, cause the 6th bit information a in the control information
5Can not obtain the diversity gain on time enough and the frequency, the 6th influence that bit information receives is the most serious, and when causing the control information bit number more than or equal to 6 bits, the transmission performance of control information descends.
Because in the table one; Since the 1st row; Per two row corresponding codes bits obtain a QPSK modulation symbol after the QPSK modulation; Can draw thus, in per two row, the information of not carrying this row control information corresponding bit in the QPSK modulation symbol that the row that element is " 0 " can cause this two row corresponding codes bit after the QPSK modulation, to obtain.Therefore, from first row of table one, in per two row, the row that element is " 0 " are many more, and the bit information in the control information of carrying in the QPSK modulation symbol that this two row corresponding codes bit obtains after the QPSK modulation is few more.
The row that are " 0 " owing to element in first row in the table one and second row are maximum; So; The control information that the QPSK modulation symbol that the corresponding codes bit obtains after the QPSK modulation in first row and second row carries is minimum, and promptly this QPSK symbol control information that corresponding symbol is carried after band spectrum modulation is also minimum; In addition, owing to the 6th bit a in the control information
5The influence that receives is the most serious; Therefore, in order to guarantee to send control information and SRS in same subframe, the terminal can not comprise (20 in the information that send the base station; A) first row and the second row corresponding codes bit in the encoder matrix of sign indicating number; Perhaps do not comprise the third line and fourth line corresponding codes bit, maximum with the control information of carrying in the information that guarantees to send to the base station, and then farthest guaranteed the transmission performance of control information.And owing to sent two coded-bits less, promptly sent a QPSK modulation symbol (corresponding last SC-FDMA symbol) less, therefore, can send SRS, improved the performance of system through last SC-FDMA symbol.
In addition, need to prove that PUCCH has multiple transformat, comprise form 2, form 2a or form 2b, and form 1, form 1a or 1b etc.Wherein, in the LTE system, mainly transmit control informations such as CQI, PMI and RI with form 2 (PUCCHFormat2).
The control information sending method that present embodiment provides; After control information encoded and be mapped to Physical Uplink Control Channel; Be sent in the information bit sequence of base station and do not comprise (20; A) first row and the second row corresponding codes in the encoder matrix of sign indicating number, perhaps do not comprise (20, A) the third line and fourth line corresponding codes in the encoder matrix of sign indicating number; The information of the bit in the control information of carrying in two coded-bits that remove is less; Thereby reduced the performance loss that the Physical Uplink Control Channel that blocks blocks the control information that last SC-FDMA symbol brings; The transmission performance that has improved control information realizes that the terminal in the end periodically sends the SRS signal to the base station during SC-FDMA symbol, has improved the performance of system.
Fig. 2 is the flow chart of control information sending method second embodiment provided by the invention, and referring to Fig. 2, this method comprises:
S201, to control information coding, obtain first sequences of code bits, comprise in said first sequences of code bits that (20, other go corresponding codes bits going with second A) to remove first row in the encoder matrix of sign indicating number; Perhaps, comprise (20, A) remove the third line in the encoder matrix of sign indicating number and other capable corresponding codes bits the fourth line, A is the bit number of control information;
Wherein, control information can be passed through the various UCIs of PUCCH to base station feedback for the terminal, for example: CQI, PMI, RI and ACK/NACK etc.Control information waiting for transmission can be one or more bits, and usually, the span of the bit number A of control information can be 1 to 13.These bits are formed the bit sequence of control information.After the bit sequence of control information encoded, what obtain was the sequences of code bits that is made up of a plurality of bits.
If to the bit sequence of control information according to shown in formula (1) and the table one (20, A) encoder matrix of sign indicating number is encoded, and the coded-bit in the sequences of code bits that then obtains is:
b
i=(a
0M
I, 0+ a
1M
I, 1+ L+a
nM
I, n+ L+a
A-1M
I, A-1) mod 2; b
iRepresentative with (20, A) the capable corresponding codes bit of i+1 in the encoder matrix of sign indicating number, promptly (20, A) the capable coded-bit that obtains after the control information bit sequence is encoded of the i+1 in the encoder matrix of sign indicating number.Wherein, the row of i=0 corresponding (20, A) first of the encoder matrix of the sign indicating number row, the row of i=1 corresponding (20, A) second of the encoder matrix row ..., and the like, the row of i=19 corresponding (20, A) the 20th of the encoder matrix of sign indicating number the row.
The sequences of code bits that obtains after control information encoded is under some scenes; Usually be mapped on the PUCCH after will passing through the operation of scrambling, modulation and spread spectrum; And this sequences of code bits is after scrambling and QPSK modulation; Rise abruptly the corresponding QPSK modulation symbol of per two coded-bits from first encoding ratio of this sequences of code bits.From b
iFormula can find out: work as M
I, nBe 0 o'clock, b
iIn do not carry a in the control information bit sequence
nThe information of bit is supposed b
iAnd b
I+1If corresponding QPSK modulation symbol after the QPSK modulation is M
I+1, nAlso be 0, b then
I+1In do not carry a in the control information bit sequence yet
nThe information of bit, b so
iAnd b
I+1Do not carry a in the control information bit sequence in the corresponding QPSK modulation symbol
nThe information of bit.Can find out in every column element of table one continuous " 0 " element (M for example
I, nAnd M
I+1, nBe " 0 "), the QPSK modulation symbol that can cause some coded-bit in this sequences of code bits after the QPSK modulation, to obtain does not carry corresponding bit information in the control information bit sequence (a for example
n).For example: the 6th row (M in the table one
I, 5), the element of preceding 10 row is " 0 ", and 5 QPSK modulation symbols that then preceding 10 row corresponding codes bits obtain after the QPSK modulation all do not carry a in the control information bit sequence
5The information of bit, the sign map that promptly obtains after these 5 QPSK modulation symbol band spectrum modulation is not carried a in the 1st time slot of PUCCH behind PUCCH
5Thereby, cause the 6th bit information a in the control information
5Can not obtain the diversity gain on time enough and the frequency, the 6th influence that bit information receives is the most serious, and when causing the control information bit number more than or equal to 6 bits, the transmission performance of control information descends.
Because in the table one; Since the 1st row; Per two row corresponding codes bits obtain a QPSK modulation symbol after the QPSK modulation; Can draw thus, in per two row, the information of not carrying this row control information corresponding bit in the QPSK modulation symbol that the row that element is " 0 " can cause this two row corresponding codes bit after the QPSK modulation, to obtain.Therefore, from first row of table one, in per two row, the row that element is " 0 " are many more, and the bit information in the control information of carrying in the QPSK modulation symbol that this two row corresponding codes bit obtains after the QPSK modulation is few more.
And send control information and SRS in same subframe in order to guarantee, last SC-FDMA symbol of Physical Uplink Control Channel need be removed in the terminal when sending control information, so that SRS is sent in the terminal on this SC-FDMA symbol.The Physical Uplink Control Channel that removes last SC-FDMA symbol can be described as Physical Uplink Control Channel or the short Physical Uplink Control Channel (Shortened PUCCHFormat) that blocks.When the terminal with the Physical Uplink Control Channel form two (Shortened PUCCHFormat2) that blocks when sending control information; The control information of 9 SC-FDMA symbols carry is only arranged on this Physical Uplink Control Channel that blocks; The corresponding QPSK modulation symbol of each SC-FDMA symbol; Corresponding 2 coded-bits of each QPSK modulation symbol, then this control channel that blocks can only carry 18 coded-bits, promptly is mapped to the sequences of code bits of transmitting on this Physical Uplink Control Channel that blocks and only comprises 18 coded-bits; Promptly according to (20, A) should remove two coded-bits in the sequences of code bits that obtains of encoder matrix of sign indicating number.In the table; First row with second capable in element to be the row of " 0 " maximum; So; The control information that the QPSK modulation symbol that the corresponding codes bit obtains after the QPSK modulation in first row and second row carries is minimum, and promptly this QPSK symbol control information that corresponding symbol is carried after band spectrum modulation is also minimum; In addition, owing to the 6th bit a in the control information
5The influence that receives is the most serious, therefore, can the two row corresponding codes bits that the 6th row in the table one are " 0 " be removed.Thus; Can be (20; A) remove first row and the second corresponding codes bit in the sequences of code bits that the encoder matrix of sign indicating number obtains; Perhaps remove the third line and fourth line corresponding codes bit, maximum with the control information of carrying in first sequences of code bits that guarantees to obtain, and then farthest guaranteed the transmission performance of control information.
S202, first sequences of code bits is mapped to sends to the base station on the Physical Uplink Control Channel.
After control information is encoded; First sequences of code bits of output is 18 bits; After this 18 bits of encoded bit sequence can pass through operations such as scrambling, modulation, spread spectrum; Be mapped on the PUCCH, because first sequences of code bits of 18 bits obtains 9 QPSK modulation symbols after the QPSK modulation, corresponding symbol (also can be described as the complex values symbol after these 9 QPSK modulation symbol band spectrum modulation; Complex-valued symbols) be mapped on preceding 9 SC-FDMA symbols on the PUCCH, detection reference signal SRS in the end can be sent during a SC-FDMA symbol in the terminal.
Need to prove that preceding 9 the SC-FDMA symbols on the PUCCH among the step S202 refer to preceding 9 SC-FDMA symbols that do not taken by common pilot signal (CRS).Among the step S202 corresponding symbol after 9 QPSK modulation symbol band spectrum modulation is mapped on preceding 9 SC-FDMA symbols of Physical Uplink Control Channel; This mapping process can be specially: corresponding symbol only is mapped on the SC-FDMA symbol after the QPSK modulation symbol band spectrum modulation; Because being mapped to a symbol on the SC-FDMA symbol is obtained through band spectrum modulation by a QPSK modulation symbol; Therefore a QPSK modulation symbol is mapped on the SC-FDMA symbol, or a SC-FDMA symbol only carries a QPSK modulation symbol.This step can also comprise corresponding symbol after 9 QPSK modulation symbol band spectrum modulation is mapped on preceding 9 SC-FDMA symbols of Physical Uplink Control Channel successively, from first SC-FDMA sign-on mapping.
The control information sending method that present embodiment provides; After encoding to control information in the terminal; Removed two coded-bits, obtained the sequences of code bits of 18 bits, the sequences of code bits of this 18 bit has been mapped on the Physical Uplink Control Channel that blocks transmits; These two coded-bits that removed do not carry the 6th bit information; And the information of other control information bits that carry is also less, thereby has reduced the performance loss that the Physical Uplink Control Channel that blocks blocks the control information that last SC-FDMA symbol brings, and prior art has improved the transmission performance of control information relatively; The SRS signal is in the end periodically sent to the base station during SC-FDMA symbol in the terminal, has improved the performance of system.
Fig. 3 is the flow chart of control information sending method the 3rd embodiment provided by the invention, and referring to Fig. 3, this method comprises:
S301, to control information coding, obtain the 4th sequences of code bits;
S302, the 4th sequences of code bits is mapped on the Physical Uplink Control Channel; Modulation symbol corresponding (20 on last SC-FDMA symbol of mapping back Physical Uplink Control Channel; A) first row and the second row corresponding codes bit in the encoder matrix of sign indicating number; Perhaps corresponding (20, A) the third line and fourth line corresponding codes bit in the encoder matrix of sign indicating number, A is the bit number of control information;
Usually, the span of the bit number A of control information can be 1 to 13.In this step (20, A) sign indicating number encoder matrix can be shown in table one.
What need further specify is; Modulation symbol in this step corresponding (20; A) first row and the second row corresponding codes ratio refer in particular in the encoder matrix of sign indicating number: this modulation symbol is by (20, A) first row and the second row corresponding codes bit obtain through the QPSK modulation in the encoder matrix of sign indicating number; In like manner, (20, A) the third line and fourth line corresponding codes ratio refer in particular in the encoder matrix of sign indicating number: this modulation symbol is by (20, A) the third line and fourth line corresponding codes bit obtain through the QPSK modulation in the encoder matrix of sign indicating number for the modulation symbol correspondence in this step.
It is actual on last SC-FDMA symbol in this step that what carry is the symbol that this modulation symbol obtains after band spectrum modulation; Because these symbols obtain through band spectrum modulation by this modulation symbol, thereby what also can claim to carry on last SC-FDMA symbol is this modulation symbol.
Modulation symbol in this step on last SC-FDMA symbol corresponding (20; A) first row and the second row corresponding codes bit in the encoder matrix of sign indicating number; Be equivalent to that last SC-FDMA symbol carries be (20, A) first row and the second capable corresponding codes bit in the encoder matrix of sign indicating number; In like manner; Modulation symbol on last SC-FDMA symbol corresponding (20; A) the third line and fourth line corresponding codes bit in the encoder matrix of sign indicating number, be equivalent to that last SC-FDMA symbol carries be (20, the third line and fourth line corresponding codes bit in encoder matrix A) yard.
S303, remove last SC-FDMA symbol after, the information that is mapped on the Physical Uplink Control Channel is sent to the base station.
The method difference that control information sending method that this embodiment provides and last embodiment provide is: in the method that last embodiment provides; First sequences of code bits to the back output of control information coding is the sequences of code bits of 18 bits; This sequences of code bits obtains 9 QPSK modulation symbols after modulating through QPSK; Corresponding symbol is mapped on preceding 9 the SC-FDMA symbols on the PUCCH successively after these 9 QPSK modulation symbol band spectrum modulation; Last SC-FDMA symbol does not send control information, and utilizes last SC-FDMA symbol period property ground to send the SRS signal to the base station.
In the method that present embodiment provides; The terminal is the sequences of code bits of 20 bits to control information the 4th sequences of code bits that obtains of encoding; And in table one; To be the row of " 0 " maximum for element in first row and second row, and so, first row and second is gone the control information of carrying in the QPSK modulation symbol that the corresponding codes bit obtains after QPSK modulates minimum; In then can the 4th sequences of code bits with 20 bits; Be mapped on last SC-FDMA symbol of PUCCH with first row and the corresponding modulation symbol of the second row corresponding codes bit of encoder matrix shown in the table one; Remove last SC-FDMA symbol (or being called) then to last SC-FDMA symbol punch (Punture); When the base station sends control information; Do not send last SC-FDMA symbol (promptly adopting the Physical Uplink Control Channel form that blocks to send control information), thereby SRS is in the end sent to the base station in a SC-FDMA symbol period property ground in the terminal.
Perhaps, if consider the 6th bit a in the control information
5The influence that receives is the most serious; Can also the modulation symbol of the third line in the table one and fourth line corresponding codes bit correspondence be mapped to last SC-FDMA symbol of PUCCH; Again through last SC-FDMA symbol is punched; To guarantee, do not send last SC-FDMA symbol, thereby the control information that the modulation symbol in last the SC-FDMA symbol that guarantees not send carries is less when the base station sends control information.
The control information sending method that present embodiment provides; The coded-bit that finally is mapped to last SC-FDMA symbol of PUCCH does not carry the 6th bit information; And the information of other control information bits that carry is also less; Thereby reduced the performance loss that the Physical Uplink Control Channel that blocks blocks the control information that last SC-FDMA symbol brings, prior art has improved the transmission performance of control information relatively.And the SRS signal is in the end periodically sent to the base station during SC-FDMA symbol in the terminal, has improved the performance of system.
Fig. 4 is the flow chart of control information method of reseptance first embodiment provided by the invention, and referring to Fig. 4, this method comprises:
The control information that S401, receiving terminal send;
S402, the candidate control information coding corresponding to control information obtain the 5th sequences of code bits, and the 5th sequences of code bits comprises that (20, other go corresponding codes bits going with second A) to remove first row in the encoder matrix of sign indicating number; Perhaps, comprise (20, A) remove the third line in the encoder matrix of sign indicating number and other capable corresponding codes bits the fourth line, A is the bit number of candidate's control information;
Usually, the span of the bit number A of control information can be 1 to 13.In this step (20, A) sign indicating number encoder matrix can be shown in table one.
S403, according to of the control information decoding of the 5th sequences of code bits to receiving.
After the base station receives the control information of sending at the terminal; At first confirm candidate's control information according to the bit number of control information; Several kinds of possibilities of control information bit sequence have been represented in candidate's control information, and candidate's control information can be identical with the bit number of control information, and for example: the control information that receives is 4 bits; Then candidate's control information also is 4 bits, can be for 0000,0001,0010,16 kinds of 0011......1111 etc.In addition; The bit number of the control information that the bit number of candidate's control information also can send with the terminal is different; When how many bits the control information of for example sending at uncertain terminal when the base station have on earth; Can guess several candidates' control information bit number, confirm candidate's control information that each candidate's control information bit number is corresponding, candidate's control information of all candidate's control information bit numbers correspondences is candidate's control information of the control information of base station sense terminals transmission.Encoding to each candidate information respectively in the base station, and generates the 5th sequences of code bits separately.Because the terminal adopts the Physical Uplink Control Channel form that blocks to send control information to the base station; Last SC-FDMA symbol is perforated; Be used for periodically sending the SRS signal; Then in fact the terminal only has 9 SC-FDMA symbols to carry control information in the information that send the base station, and promptly the terminal is to the sequences of code bits of corresponding 18 bits of control information of base station transmission.Therefore, the base station is to candidate's control information coding, and the 5th sequences of code bits that obtains is the sequences of code bits of 18 bits.
In addition, in the table one, to be the row of " 0 " maximum for element in first row and second row, and so, the control information of carrying in the QPSK modulation symbol that the corresponding codes bit obtained after QPSK modulates during first row was gone with second is minimum; Moreover, consider that the 6th influence that bit a5 receives is the most serious in the control information, therefore; Referring to previous embodiment, in the control information corresponding codes bit sequence that send at the terminal, removed and (20; A) first row and the second row corresponding codes bit in the encoder matrix of sign indicating number; Perhaps removed with (20, A) the third line and fourth line corresponding codes bit in the encoder matrix of sign indicating number are maximum with the control information of carrying in first sequences of code bits that guarantees to obtain.Accordingly, base station side is also adopted in the same way when candidate's control information is encoded, promptly comprise in the 5th sequences of code bits (20, A) go and other row corresponding codes bits second row except that first in the encoder matrix of sign indicating number; Perhaps, comprise (20, A) in the encoder matrix except that the third line and other row corresponding codes bits the fourth line.
The base station judges that based on the 5th corresponding sequences of code bits of each candidate's control information which candidate's control information is the control information that send at the terminal.Judgment criterion in this step has multiple; Be example with a kind of implementation in the Maximum Likelihood Detection for example: the base station length that each candidate's control information bit is corresponding is that 18 the 5th sequences of code bits carries out obtaining 9 QPSK modulation symbols after the QPSK modulation; The conjugate multiplication of the corresponding QPSK modulation symbol that each QPSK modulation symbol and base station are received on PUCCH; The real part of again 9 product additions being got and being worth (this value can be described as likelihood value); Likelihood value in this step also can combine frequency pilot sign to calculate; The conjugate multiplication of for example available local frequency pilot sign and the frequency pilot sign that receives; And the value of corresponding with control information again 9 the product additions of the product addition that a plurality of frequency pilot signs are corresponding again addition get at last and the real part that is worth can also combine frequency pilot sign to detect, promptly except that with 9 product additions, can also with the likelihood value addition of frequency pilot sign; The likelihood value that each candidate's control information is corresponding compares, and the maximum corresponding candidate's control information of that likelihood value of base station judges is the control information bit of user device transmissions.
The control information method of reseptance that present embodiment provides; Encoding to candidate's control information respectively in the base station, obtains 18 bits of encoded bit sequences, do not comprise (20 in this sequences of code bits; A) first row and the second row corresponding codes bit in the encoder matrix of sign indicating number; Do not comprise perhaps that (20, A) the third line and fourth line corresponding codes bit in the encoder matrix of sign indicating number are deciphered the control information of reception according to the sequences of code bits of candidate's control information again.Because when the Physical Uplink Control Channel form that the end side utilization is blocked sends control information; Guaranteed owing to two coded-bits that last SC-FDMA symbol punching is caused losing do not carry the 6th bit information; And the information of other control information bits that carry is also less; Thereby reduced the performance loss that the Physical Uplink Control Channel that blocks blocks the control information that last SC-FDMA symbol brings, prior art has improved the transmission performance of control information relatively; Simultaneously the SRS signal is in the end periodically sent to the base station during SC-FDMA symbol in the terminal, has improved the performance of system.
Fig. 5 a is control information sending method the 4th an embodiment flow chart provided by the invention, and referring to Fig. 5 a, this method comprises:
S501a, basis (20, A) encoder matrix of sign indicating number is encoded to control information, obtains second sequences of code bits:
Wherein, a
0, a
1, a
2..., a
(A-1)Be the bit sequence of control information, M
I, n(i=0,1,2 ..., B-1, n=0,1,2 ..., A-1) be (20, A) capable, the corresponding element of n+1 row of i+1 in the encoder matrix of sign indicating number, B=20;
Usually, A is the bit number of control information, and the span of A can be 1 to 13.In this step (20, A) sign indicating number encoder matrix can be shown in table one.
S502a, in second sequences of code bits, remove with (20, A) encoder matrix first of the sign indicating number row and the second capable corresponding codes bit obtain first sequences of code bits; Perhaps, in second sequences of code bits, remove with (20, A) the encoder matrix the third line and the fourth line corresponding codes bit of sign indicating number obtain first sequences of code bits;
Wherein, with (20, A) encoder matrix first of sign indicating number row is meant with the second row corresponding codes bit: first row and second by the encoder matrix shown in the table one is gone, by formula (1) two coded-bits that control information is encoded and obtained; Equally, with (20, A) encoder matrix the third line and fourth line corresponding codes bit are meant: by the third line and the fourth line of the encoder matrix shown in the table one, and (1) two coded-bits that control information is encoded and obtained by formula.
In second sequences of code bits, remove with (20, A) encoder matrix first row of sign indicating number and the second row corresponding codes bit perhaps remove the third line and fourth line corresponding codes bit, can be through corresponding bit punching in the sequences of code bits is realized.After removing two coded-bits, obtaining length is first sequences of code bits of 18 bits.If with b '
jRepresent first sequences of code bits, then b '
j=b
i, j=0,1,2 ..., 17, i=2,3 ... 19 or i=0,1,4,5 ... 19.Promptly first sequences of code bits is to basis (20; A) the 1st in the 20 bits of encoded bit sequences that obtain of the encoder matrix coding of sign indicating number and the 2nd coded-bit punch; Perhaps the 3rd and the 4th coded-bit are punched the 18 bits of encoded bit sequences that obtain.
S503a, first sequences of code bits is mapped to is sent to the base station on the Physical Uplink Control Channel.
First sequences of code bits is mapped in the process of PUCCH; Usually can carry out operations such as scrambling, modulation and spread spectrum to first sequences of code bits; Modulation can adopt the QPSK modulation system successively 18 bits of encoded bit sequences to be modulated, and obtains 9 QPSK modulation symbols.With these 9 QPSK modulation symbols through the sign map that obtains after band spectrum modulation to preceding 9 SC-FDMA symbols of PUCCH; Subscriber equipment can in the end send detection reference signal on a SC-FDMA symbol; Thereby can realize that control information and detection reference signal SRS send simultaneously, improve the transmission performance of system.
Detailed description to this step can no longer be repeated referring to step S202 here.
Among the step S502a; The terminal is when obtaining first sequences of code bits; Removed in second sequences of code bits that step S501a obtains with (20; A) two coded-bits that the encoder matrix first of sign indicating number row and second row are corresponding or with (20, A) two coded-bits of encoder matrix the third line of sign indicating number and fourth line correspondence, two coded-bits that quilt is removed do not carry the information of the 6th control information bit and the information of other control information bits of carrying also less; Thereby reduced the performance loss that the Physical Uplink Control Channel that blocks blocks the control information that last SC-FDMA symbol brings, prior art has improved the transmission performance of control information relatively.
As other a kind of preferred implementation, referring to Fig. 5 b, S501a and S502a can also use following mode to realize:
S501b, basis (18, A) encoder matrix of sign indicating number is encoded to control information, obtains first sequences of code bits:
Wherein, a
0, a
1, a
2..., a
(A-1)Be the bit sequence of control information, M
I, n(i=0,1,2 ..., B-1, n=0,1,2 ..., A-1) be (18, A) capable, the corresponding element of n+1 row of i+1 in the encoder matrix of sign indicating number, B=18, wherein A is the bit number of control information.
In this step (18, A) encoder matrix of sign indicating number be (20, A) clip first row and second row in the encoder matrix of sign indicating number, perhaps (20, clip the encoder matrix of the third line and fourth line acquisition in encoder matrix A) yard.
Wherein, (20, A) sign indicating number encoder matrix in clip first the row with second the row obtain (18, A) sign indicating number encoder matrix be:
| i | M i，0 | M i，1 | ?M i，2 | M i，3 | ?M i，4 | M i，5 | M i，6 | M i，7 | M i，8 | ?M i，9 | M i，10 | M i，11 | M i，12 |
| 0 | 1 | 0 | ?0 | 1 | ?0 | 0 | 1 | 0 | 1 | ?1 | 1 | 1 | 1 |
| 1 | 1 | 0 | ?1 | 1 | ?0 | 0 | 0 | 0 | 1 | ?0 | 1 | 1 | 1 |
| 2 | 1 | 1 | ?1 | 1 | ?0 | 0 | 0 | 1 | 0 | ?0 | 1 | 1 | 1 |
| 3 | 1 | 1 | ?0 | 0 | ?1 | 0 | 1 | 1 | 1 | ?0 | 1 | 1 | 1 |
| 4 | 1 | 0 | ?1 | 0 | ?1 | 0 | 1 | 0 | 1 | ?1 | 1 | 1 | 1 |
| 5 | 1 | 0 | ?0 | 1 | ?1 | 0 | 0 | 1 | 1 | ?0 | 1 | 1 | 1 |
| 6 | 1 | 1 | ?0 | 1 | ?1 | 0 | 0 | 1 | 0 | ?1 | 1 | 1 | 1 |
| 7 | 1 | 0 | ?1 | 1 | ?1 | 0 | 1 | 0 | 0 | ?1 | 1 | 1 | 1 |
| 8 | 1 | 0 | ?1 | 0 | ?0 | 1 | 1 | 1 | 0 | ?1 | 1 | 1 | 1 |
| 9 | 1 | 1 | ?1 | 0 | ?0 | 1 | 1 | 0 | 1 | ?0 | 1 | 1 | 1 |
| 10 | 1 | 0 | ?0 | 1 | ?0 | 1 | 0 | 1 | 1 | ?1 | 1 | 1 | 1 |
| 11 | 1 | 1 | ?0 | 1 | ?0 | 1 | 0 | 1 | 0 | ?1 | 1 | 1 | 1 |
| 12 | 1 | 0 | ?0 | 0 | ?1 | 1 | 0 | 1 | 0 | ?0 | 1 | 0 | 1 |
| 13 | 1 | 1 | ?0 | 0 | ?1 | 1 | 1 | 1 | 0 | ?1 | 1 | 0 | 1 |
| 14 | 1 | 1 | ?1 | 0 | ?1 | 1 | 1 | 0 | 0 | ?1 | 0 | 1 | 1 |
| 15 | 1 | 0 | ?0 | 1 | ?1 | 1 | 0 | 0 | 1 | ?0 | 0 | 1 | 1 |
| 16 | 1 | 1 | ?0 | 1 | ?1 | 1 | 1 | 1 | 0 | ?0 | 0 | 0 | 0 |
| 17 | 1 | 0 | ?0 | 0 | ?0 | 1 | 1 | 0 | 0 | ?0 | 0 | 0 | 0 |
Table two
(20, A) encoder matrix of sign indicating number clip that the third line and fourth line obtain (18, encoder matrix A) yard is:
| i | M i，0 | M i，1 | M i，2 | M i，3 | M i，4 | M i，5 | M i，6 | M i，7 | M i，8 | M i，9 | M i，10 | M i，11 | M i，12 |
| 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
| 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 |
| 2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 |
| 3 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 |
| 4 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 |
| 5 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 1 |
| 6 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 1 |
| 7 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 1 |
| 8 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 |
| 9 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 1 |
| 10 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| 11 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 |
| 12 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 |
| 13 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 |
| 14 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 1 |
| 15 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 1 |
| 16 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| 17 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Table three
Shown in the table one (20; A) encoder matrix of sign indicating number; Obtain (18 after clipping first row (row of i=0) and second row (row of i=1); A) encoder matrix of sign indicating number, first sequences of code bits that obtains 18 bits according to this encoder matrix do not comprise (20, A) first row and the second capable corresponding codes bit in the encoder matrix of sign indicating number; Equally; Obtain (18 after clipping the third line (row of i=2) and fourth line (row of i=3); A) encoder matrix of sign indicating number, first sequences of code bits that obtains 18 bits according to this encoder matrix do not comprise (20, A) the third line and fourth line corresponding codes bit in the encoder matrix of sign indicating number.
Among the step S501b, the terminal when obtaining first sequences of code bits, according to (18; A) encoder matrix of sign indicating number is (20; A) clip first row and second row in the encoder matrix of sign indicating number, perhaps (20, A) clip the encoder matrix of the third line and fourth line acquisition in the encoder matrix of sign indicating number; Be equivalent to remove among the step S501 with (20; A) two coded-bits that the encoder matrix first of sign indicating number row and second row are corresponding or with (20, A) two coded-bits of encoder matrix the third line of sign indicating number and fourth line correspondence, two coded-bits that quilt is removed do not carry the information of the 6th control information bit and the information of other control information bits of carrying also less; Thereby reduced the performance loss that the Physical Uplink Control Channel that blocks blocks the control information that last SC-FDMA symbol brings, prior art has improved the transmission performance of control information relatively.
In addition, referring to Fig. 5 c, S501a and S502a can also realize through following method:
S501c, basis (20, A) encoder matrix of sign indicating number is encoded to control information, obtains the 3rd sequences of code bits:
Wherein, M
((i+2) mod20), n(i=0,1,2 ..., B-1, n=0,1,2 ..., A-1) be (20, A) ((i+2) mod20)+1 row, the corresponding element of n+1 row in the encoder matrix of sign indicating number, B=20;
Usually, the span of the bit number A of control information can be 1 to 13.In this step (20, A) sign indicating number encoder matrix can be shown in table one.
S502c, remove latter two coded-bit of the 3rd sequences of code bits, obtain first sequences of code bits.
Formula from S501c (2) can be found out; According to this formula and as shown in table 1 (20; A) the 3rd sequences of code bits that obtains of encoder matrix of sign indicating number is 20 bits of encoded bit sequences; (20, A) the first row corresponding codes bit is positioned at the penult bit of the 3rd sequences of code bits in the encoder matrix of sign indicating number, and the second row corresponding codes bit is positioned at last bit of the 3rd sequences of code bits.Because (20; A) encoder matrix first of sign indicating number row and the second capable corresponding codes bit are positioned at latter two bit of the 3rd sequences of code bits; Again because the control information that first row and the second row corresponding codes bit carry is minimum; Therefore, can latter two coded-bit be removed, obtain first sequences of code bits of 18 bits.
The control information sending method that present embodiment provides; Sequences of code bits to obtaining behind the control information coding is 18 bits of encoded bit sequences; Do not comprise in this sequences of code bits (20, A) first row and the second row corresponding codes bit in the encoder matrix, this 18 bits of encoded bit sequence obtains 9 QPSK modulation symbols after the QPSK modulation; These 9 QPSK modulation symbols through the sign map that obtains after the band spectrum modulation to PUCCH on preceding 9 SC-FDMA symbols; Last SC-FDMA symbol does not send control information, and utilizes last SC-FDMA symbol period property ground to send the SRS signal to the base station, has improved the performance of system.Two coded-bits that removed simultaneously do not carry the information of the 6th control information bit and the information of other control information bits of carrying also minimum; Thereby reduced the performance loss that the Physical Uplink Control Channel that blocks blocks the control information that last SC-FDMA symbol brings, prior art has improved the transmission performance of control information relatively.
Fig. 6 a is control information sending method the 5th an embodiment flow chart provided by the invention, and referring to Fig. 6 a, this method comprises:
S601a, basis (20; A) encoder matrix of sign indicating number is encoded to said control information, obtains the 4th sequences of code bits:
Wherein, a
0, a
1, a
2..., a
(A-1)Be the bit sequence of control information,
M
I, n(i=0,1,2 ..., B-1, n=0,1,2 ..., A-1) be (20, A) capable, the corresponding element of n+1 row of i+1 in the encoder matrix of sign indicating number, B=20;
In this step (20, A) sign indicating number encoder matrix can be as shown in table 1.A in this step is the bit number of control information, and its span can be 1 to 13.
S602a, with in the 4th sequences of code bits with (20, A) modulation symbol of first row and the corresponding coded-bit of second row correspondence is mapped on last SC-FDMA symbol of Physical Uplink Control Channel in the encoder matrix of sign indicating number; Perhaps, with in the 4th sequences of code bits with (20, A) modulation symbol of the corresponding coded-bit correspondence of the third line and fourth line is mapped on last SC-FDMA symbol of Physical Uplink Control Channel in the encoder matrix of sign indicating number.
The conceptual explanation of some of this step sees also step S302, no longer repeats here.
Concrete; At first; According to as shown in table 1 (20; A) encoder matrix and the formula (1) of sign indicating number the 4th sequences of code bits that obtains 20 bits, then through change original mapping mode realize with in the 4th sequences of code bits with (20, A) first row and second is gone the modulation symbol of corresponding coded-bit correspondence and is mapped on last SC-FDMA symbol in the encoder matrix of sign indicating number; Perhaps with in the 4th sequences of code bits with (20, A) modulation symbol of the corresponding coded-bit correspondence of the third line and fourth line is mapped on last SC-FDMA symbol in the encoder matrix of sign indicating number.
Concrete, can at first carry out scrambling to the 4th sequences of code bits, adopt QPSK constellation point mapping mode to be modulated into 10 QPSK modulation symbol d (0) then successively; ..., d (9), wherein; (20; A) encoder matrix first row of sign indicating number and the corresponding QPSK modulation symbol of the second row corresponding codes bit are d (0), and (20, the QPSK modulation symbol that A) encoder matrix the third line of sign indicating number and fourth line corresponding codes bit are corresponding is d (1).Then; Can pass through
n=0; 1; ...; 9; I=0; 1 ...,
carries out spread spectrum to modulation symbol; Wherein,
is the orthogonal spreading sequence of 12 bits.Behind the spread spectrum 10 QPSK modulation symbols are transformed into 120 symbol z (i).Wherein, z (0) L z (11) is corresponding with QPSK modulation symbol d (0), promptly with (20, A) encoder matrix first row of sign indicating number and the second row corresponding codes bit are corresponding; Z (12) L z (23) is corresponding with QPSK modulation symbol d (1), promptly with (20, A) encoder matrix the third line of sign indicating number and fourth line corresponding codes bit are corresponding.
With in the 4th sequences of code bits with (20, A) first row is mapped on last SC-FDMA symbol of Physical Uplink Control Channel with the corresponding modulation symbol of the corresponding coded-bit of second row in the encoder matrix of sign indicating number, specifically can for: the modulation symbol inverted order of the 4th sequences of code bits correspondence is mapped on the Physical Uplink Control Channel; Promptly can be with d (0) ..., d (9) is mapped on the SC-FDMA symbol of Physical Uplink Control Channel successively; From last SC-FDMA sign-on mapping; Or with d (0) ..., the modulation symbol that d (9) is corresponding is mapped on the SC-FDMA symbol of Physical Uplink Control Channel in reverse order successively; From first SC-FDMA sign-on; Promptly earlier d (9) is mapped on first SC-FDMA symbol, other are analogized, until d (0) is mapped on last SC-FDMA symbol; When certain modulation symbol being mapped on certain SC-FDMA symbol; Be specially this modulation symbol all is mapped on this SC-FDMA symbol through corresponding symbol after the band spectrum modulation, for example d (0) is mapped to be specially on last SC-FDMA symbol d (0) is mapped on last SC-FDMA symbol through corresponding symbol z (0) L z (11) after the band spectrum modulation.
Perhaps; Can also with in the 4th sequences of code bits with said (20; A) first row and the corresponding modulation symbol of the corresponding coded-bit of second row are mapped on last SC-FDMA symbol in the encoder matrix of sign indicating number; The modulation symbol that all the other coded-bits are corresponding is mapped on all the other SC-FDMA symbols of Physical Uplink Control Channel (being mapped to successively on the Physical Uplink Control Channel on all the other SC-FDMA symbols that do not taken by public guide frequency) successively, and each modulation symbol is mapped on the SC-FDMA symbol.Be about to said (20, A) the QPSK modulation symbol d (0) of first row and the corresponding coded-bit correspondence of second row is mapped on last SC-FDMA symbol and (is specially: d (0) is mapped on last SC-FDMA symbol through corresponding symbol z (0) L z (11) after the band spectrum modulation) in the encoder matrix of sign indicating number; The modulation symbol that all the other coded-bits are corresponding is mapped on all the other SC-FDMA symbols of Physical Uplink Control Channel (being mapped to successively on the Physical Uplink Control Channel on all the other SC-FDMA symbols that do not taken by public guide frequency) successively, and each modulation symbol is mapped on the SC-FDMA symbol, specifically can for: with other z (i); I ≠ 0; 1, L 11 begins from first Physical Resource Block (being first time slot and k=0, the Resource Block of l=0) successively; Increase progressively according to first frequency domain k; The rule that increases progressively of time domain l is shone upon successively again, and then increases progressively according to first frequency domain k at second time slot, and the rule that increases progressively of time domain l is shone upon successively again.
Perhaps, the symbol z ((i+12) mod120) that modulation symbol that can also the 4th sequences of code bits is corresponding obtains after the frequency domain spread spectrum modulation, i=0; 1,2, L 119 is mapped to the Resource Block (k that is not taken by public guide frequency successively; L) on; Each time slot increases progressively the rule that time domain l increases progressively by first frequency domain k again and shines upon in order, from first Resource Block of first time slot (i.e. k=0 on first SC-FDMA symbol of a sub-frame the 1st time slot, that Resource Block that l=0 is corresponding) beginning; Be mapped to second time slot again, referring to Fig. 7.
With in the 4th sequences of code bits with (20; A) the corresponding modulation symbol of the corresponding coded-bit of the third line and fourth line is mapped on last SC-FDMA symbol of Physical Uplink Control Channel in the encoder matrix of sign indicating number; Can be specially: with in the 4th sequences of code bits with (20; A) the corresponding modulation symbol of the corresponding coded-bit of the third line and fourth line is mapped on last SC-FDMA symbol in the encoder matrix of sign indicating number; The modulation symbol that all the other coded-bits are corresponding is mapped on all the other SC-FDMA symbols of Physical Uplink Control Channel (being mapped to successively on the Physical Uplink Control Channel on all the other SC-FDMA symbols that do not taken by public guide frequency) successively, and each modulation symbol is mapped on the SC-FDMA symbol.Be about to said (20, A) the QPSK modulation symbol d (1) of the third line and the corresponding coded-bit correspondence of fourth line is mapped on last SC-FDMA symbol and (is specially: with d (1) corresponding symbol z (12) after band spectrum modulation in the encoder matrix of sign indicating number ... Z (23) is mapped on last SC-FDMA symbol); The modulation symbol that all the other coded-bits are corresponding is mapped on all the other SC-FDMA symbols of Physical Uplink Control Channel (being mapped to successively on the Physical Uplink Control Channel on all the other SC-FDMA symbols that do not taken by public guide frequency) successively, and each modulation symbol is mapped on the SC-FDMA symbol, specifically can for: with other z (i); I ≠ 12; 13 ... 23 begin from first Physical Resource Block (being first time slot and k=0, the Resource Block of l=0) successively; Increase progressively according to first frequency domain k; The rule that increases progressively of time domain l is shone upon successively again, and then increases progressively according to first frequency domain k at second time slot, and the rule that increases progressively of time domain l is shone upon successively again.
Need to prove; The embodiment of the invention only need guarantee with in the 4th sequences of code bits with (20; A) first row and the corresponding modulation symbol of the corresponding coded-bit of second row are mapped on last SC-FDMA symbol of Physical Uplink Control Channel in the encoder matrix of sign indicating number; Or with in the 4th sequences of code bits with (20; A) the corresponding modulation symbol of the corresponding coded-bit of second row and the third line is mapped on last SC-FDMA symbol of Physical Uplink Control Channel in the encoder matrix of sign indicating number, and mode the present invention that the modulation symbol that all the other coded-bits are corresponding is mapped on the Physical Uplink Control Channel does not do qualification, preferably shines upon to mode according to the present invention.
S603a, remove last SC-FDMA symbol after, the information that is mapped on the PUCCH is sent to the base station.
Need to prove that first SC-FDMA symbol in the present embodiment refers to first SC-FDMA symbol of first time slot of Physical Uplink Control Channel, like that corresponding SC-FDMA symbol of l=0 among Fig. 7 first SC-FDMA symbol that is each time slot.In like manner, last SC-FDMA symbol refers to last SC-FDMA symbol of second time slot of Physical Uplink Control Channel.
Present embodiment also can be realized through the form that changes the existing Physical Uplink Control Channel that blocks.For example change the Physical Uplink Control Channel that blocks into remove Physical Uplink Control Channel first SC-FDMA symbol from removing last SC-FDMA symbol.When adopting this new Physical Uplink Control Channel form that blocks to send control information; Step S602 in the present embodiment be with in the 4th sequences of code bits with (20; A) first row and the corresponding modulation symbol of the corresponding coded-bit of second row are mapped on first SC-FDMA symbol on the Physical Uplink Control Channel in the encoder matrix of sign indicating number; Be specially: the modulation symbol that the 4th sequences of code bits is corresponding is mapped on the SC-FDMA symbol of Physical Uplink Control Channel (being mapped to successively on the Physical Uplink Control Channel not on the SC-FDMA symbol that is taken by public guide frequency) successively; Each modulation symbol is mapped on the SC-FDMA symbol; And from first SC-FDMA sign-on mapping, the symbol z (i) that specifically can after band spectrum modulation, obtain for the modulation symbol that the 4th sequences of code bits is corresponding begins from first Physical Resource Block (being first time slot and k=0, the Resource Block of l=0) successively; Increase progressively according to first frequency domain k; The rule that increases progressively of time domain l is shone upon successively again, and then increases progressively according to first frequency domain k at second time slot, and the rule that increases progressively of time domain l is shone upon successively again; Thereby will be with (20, A) first row and the corresponding modulation symbol of the corresponding coded-bit of second row are mapped on first SC-FDMA symbol in the encoder matrix of sign indicating number; When adopting this new Physical Uplink Control Channel form that blocks to send control information, the step S603 in the present embodiment is: after removing first SC-FDMA symbol, the information that is mapped on the PUCCH is sent to the base station.
The embodiment of the invention has guaranteed to be mapped to that two coded-bits on that SC-FDMA symbol that is removed do not carry the information of the 6th control information bit and the information of other control information bits of carrying is also less; Thereby reduced the performance loss that the Physical Uplink Control Channel that blocks blocks the control information that last SC-FDMA symbol brings, improved the transmission performance of control information.Simultaneously the SRS signal is in the end periodically sent to the base station during SC-FDMA symbol in the terminal, has improved the performance of system.
That SC-FDMA symbol to be removed is an example for last SC-FDMA symbol; Corresponding QPSK modulation symbol d (0) of last SC-FDMA symbol or d (1); Wherein, in corresponding the 4th sequences of code bits of QPSK modulation symbol d (0) with (20, A) first of the encoder matrix of the sign indicating number row and second is gone the corresponding codes bit; D (1) corresponding with (20, A) the third line and the fourth line corresponding codes bit of the encoder matrix of sign indicating number.Because (20; A) coded-bit of first of the encoder matrix of the sign indicating number row and second row; Perhaps (20; A) coded-bit of the third line and the fourth line of the encoder matrix of sign indicating number do not carry the information of the 6th control information bit and the information of other control information bits of carrying also less, thereby reduced the performance loss that the Physical Uplink Control Channel that blocks blocks the control information that last SC-FDMA symbol brings, relative prior art has improved the transmission performance of control information.Simultaneously the SRS signal is in the end periodically sent to the base station during SC-FDMA symbol in the terminal, has improved the performance of system.
As another kind of preferred implementation, referring to Fig. 6 b, S601a-S603a can also for:
S601b, basis (20, A) encoder matrix of sign indicating number is encoded to control information, obtains the 4th sequences of code bits:
Wherein, M
((i+2) mod20), n(i=0,1,2 ..., B-1, n=0,1,2 ..., A-1) (20, A) ((i+2) mod 20)+1 row, the corresponding element of n+1 row in the encoder matrix of sign indicating number, B=20;
S602b, the modulation symbol that the 4th sequences of code bits is corresponding are mapped on the SC-FDMA symbol of Physical Uplink Control Channel successively, and each modulation symbol is mapped on the SC-FDMA symbol, and from first SC-FDMA sign-on mapping.
Be specially: the modulation symbol that the 4th sequences of code bits is corresponding is mapped on the SC-FDMA symbol of Physical Uplink Control Channel (being mapped to successively on the Physical Uplink Control Channel not on the SC-FDMA symbol that is taken by public guide frequency) successively; Each modulation symbol is mapped on the SC-FDMA symbol; And from first SC-FDMA sign-on mapping; The symbol z (i) that specifically can after band spectrum modulation, obtain for the modulation symbol that the 4th sequences of code bits is corresponding (is first time slot and k=0 from first Physical Resource Block successively; The Resource Block of l=0) beginning increases progressively according to first frequency domain k, and the rule that increases progressively of time domain l is shone upon successively again; And then increase progressively according to first frequency domain k at second time slot, the rule that increases progressively of time domain l is shone upon successively again.
Because; According to as shown in table 1 (20; A) the 4th sequences of code bits that obtains of encoder matrix and the formula (2) of sign indicating number; (20, A) the first row corresponding codes bit is positioned at the penult bit of the 4th sequences of code bits in the encoder matrix of sign indicating number, and the second row corresponding codes bit is positioned at last bit of the 4th sequences of code bits.Because (20, A) first row and the second capable corresponding codes bit are positioned at latter two bit of the 4th sequences of code bits in the encoder matrix of sign indicating number.This step modulation symbol that the 4th sequences of code bits is corresponding is mapped on the SC-FDMA symbol of Physical Uplink Control Channel successively; Each modulation symbol is mapped on the SC-FDMA symbol; And from first SC-FDMA sign-on mapping; Make the modulation symbol that latter two coded-bit is corresponding of the 4th sequences of code bits be mapped on last SC-FDMA symbol; Be about to (20, A) encoder matrix first row of sign indicating number and the second row corresponding codes bit have been mapped on last SC-FDMA symbol.
S603b, remove last SC-FDMA symbol after, the information that is mapped on the PUCCH is sent to the base station.
What last the SC-FDMA symbol that is removed in the embodiment of the invention carried is and (20; A) first row and the second row corresponding codes bit in the encoder matrix of sign indicating number; These two coded-bits do not carry the information of the 6th control information bit and the information of other control information bits of carrying also minimum; Thereby reduced the performance loss that the Physical Uplink Control Channel that blocks blocks the control information that last SC-FDMA symbol brings, improved the transmission performance of control information.Simultaneously the SRS signal is in the end periodically sent to the base station during SC-FDMA symbol in the terminal, has improved the performance of system.
Fig. 8 a provides the control information method of reseptance the second embodiment flow chart for the present invention, and referring to Fig. 8 a, this method comprises:
S801a, respectively according to (20; A) encoder matrix of sign indicating number obtains the 6th sequences of code bits:
to candidate's control information coding
Wherein, a
0, a
1, a
2..., a
(A-1)Be the bit sequence of candidate's control information, M
I, n(i=0,1,2 ..., B-1, n=0,1,2 ..., A-1) be (20, A) capable, the corresponding element of n+1 row of i+1 in the encoder matrix of sign indicating number, B=20;
In this step (20, A) sign indicating number encoder matrix can be as shown in table 1.A in this step is the bit number of control information, and its span can be 1 to 13.
S802a, in the 6th sequences of code bits, remove with (20, A) first row and the second capable corresponding codes bit in the encoder matrix of sign indicating number obtain the 5th sequences of code bits; Perhaps, in the 6th sequences of code bits, remove with (20, A) the third line and fourth line corresponding codes bit in the encoder matrix of sign indicating number obtain the 5th sequences of code bits;
S803a, according to of the control information decoding of the 5th sequences of code bits to receiving.
The base station is at first confirmed candidate's control information according to the bit number of control information, and respectively each candidate's control information is encoded after receiving the control information of sending at the terminal, generates the 5th corresponding sequences of code bits of each candidate's control information.Because the terminal adopts the Physical Uplink Control Channel form that blocks to send control information to the base station; Last SC-FDMA symbol is perforated; Be used for periodically sending the SRS signal; Then in fact the terminal only has 9 SC-FDMA symbols to carry control information in the information that send the base station, and promptly the terminal is to the sequences of code bits of corresponding 18 bits of control information of base station transmission.In addition; Because in the table one; First row with second capable in element to be the row of " 0 " maximum; So, the control information of carrying in the QPSK modulation symbol that the corresponding codes bit obtains after QPSK modulates in first row and second row is minimum, and then the control information that the modulation symbol that after band spectrum modulation, obtains of QPSK modulation symbol carries is minimum; Moreover, consider the 6th bit a in the control information
5The influence that receives is the most serious, therefore, and referring to previous embodiment; In the control information corresponding codes bit sequence that send at the terminal; Removed with (20, A) first row and the second row corresponding codes bit in the encoder matrix of sign indicating number have perhaps removed and (20; A) the third line and fourth line corresponding codes bit in the encoder matrix of sign indicating number are maximum with the control information of carrying in first sequences of code bits that guarantees to obtain.Accordingly, base station side is also adopted in the same way when candidate's control information is encoded, promptly comprise in the 5th sequences of code bits (20, A) go and other row corresponding codes bits second row except that first in the encoder matrix of sign indicating number; Perhaps, comprise (20, A) in the encoder matrix except that the third line and other row corresponding codes bits the fourth line.
The base station judges that based on the 5th corresponding sequences of code bits of each candidate's control information which candidate's control information is the control information that send at the terminal.Judgment criterion in this step has multiple, and for example mode in the Maximum Likelihood Detection referring to previous embodiment, repeats no more.
Below only provided a kind of feasible decoded mode, not with this as restriction.
As another kind of preferred implementation, referring to Fig. 8 b, S801a and S802a can also use following mode to realize:
S801b, basis (18, A) sign indicating number encoder matrix to candidate's control information coding, obtain the 5th sequences of code bits:
In this step (18; A) encoder matrix of sign indicating number is (20; A) clip first row (row of i=0) and second row (row of i=1) in the encoder matrix of sign indicating number, perhaps (20, A) clip the encoder matrix of the third line (row of i=2) and fourth line (row of i=3) acquisition in the encoder matrix of sign indicating number.Wherein, (20, A) clip in the encoder matrix of sign indicating number that first row and second row obtain (18, A) encoder matrix of sign indicating number is referring to table two, clip that the third line and fourth line obtain (18, encoder matrix A) yard is referring to table three.
In addition, referring to Fig. 8 c, S801a and S802a can also for:
S801c, basis (20; A) encoder matrix is encoded to said candidate's control information, obtains the 7th sequences of code bits:
Wherein, M
((i+2) mod20), n(i=0,1,2 ..., B-1, n=0,1,2 ..., A-1) be (20, A) ((i+2) mod20)+1 row, the corresponding element of n+1 row in the encoder matrix of sign indicating number, B=20;
S802c, remove latter two coded-bit of the 7th sequences of code bits, obtain the 5th coded sequence.
The control information method of reseptance that present embodiment provides; Encoding to candidate's control information respectively in the base station, obtains 18 bits of encoded bit sequences, do not comprise (20 in this sequences of code bits; A) first row and the second row corresponding codes bit in the encoder matrix of sign indicating number; Do not comprise perhaps that (20, A) the third line and fourth line corresponding codes bit in the encoder matrix of sign indicating number are deciphered the control information of reception according to the sequences of code bits of candidate's control information again.Because when the Physical Uplink Control Channel form that the end side utilization is blocked sends control information; Guaranteed owing to two coded-bits that the punching to last SC-FDMA symbol causes losing do not carry the information of the 6th control information bit and the information of other control information bits of carrying also less; Thereby reduced the performance loss that the Physical Uplink Control Channel that blocks blocks the control information that last SC-FDMA symbol brings, improved the transmission performance of control information; Simultaneously the SRS signal is in the end periodically sent to the base station during SC-FDMA symbol in the terminal, has improved the performance of system.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be accomplished through the relevant hardware of program command; Aforesaid program can be stored in the computer read/write memory medium; This program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
Fig. 9 is the terminal provided by the invention first example structure sketch map, and as shown in Figure 9, this terminal comprises: coding mapping block 91 and sending module 92;
Wherein, coding mapping block 91 is used for being mapped to Physical Uplink Control Channel behind the control information coding;
Sending module 92; The information that is used for will being mapped on the said Physical Uplink Control Channel sends to the base station; The said information corresponding codes bit sequence that sends to the base station comprises that (20, other go corresponding codes bits capable with second A) to remove first row in the encoder matrix of sign indicating number; Perhaps, comprise said (20, A) remove the third line in the encoder matrix of sign indicating number and other capable corresponding codes bits the fourth line; A is the bit number of said control information.
The base station that present embodiment provides; After control information encoded and be mapped to Physical Uplink Control Channel; Be sent in the information bit sequence of base station and do not comprise (20; A) first row and the second row corresponding codes in the encoder matrix of sign indicating number, perhaps do not comprise (20, A) the third line and fourth line corresponding codes in the encoder matrix of sign indicating number; The information of the bit in the control information of carrying in two coded-bits that remove is less; Thereby reduced the performance loss that the Physical Uplink Control Channel that blocks blocks the control information that last SC-FDMA symbol brings; The transmission performance that has improved control information realizes that the terminal in the end periodically sends the SRS signal to the base station during SC-FDMA symbol, has improved the performance of system.
Figure 10 is the terminal provided by the invention second example structure sketch map, and referring to Figure 10, this terminal comprises: coding mapping block 91 and sending module 92;
Further, this coding mapping block 91 can comprise: the first coding submodule 911 and first mapping submodule 912;
Wherein, the first coding submodule 911 is used for the control information coding is obtained first sequences of code bits, comprise in first sequences of code bits (20, A) go and other row corresponding codes bits second row except that first in the encoder matrix of sign indicating number; Perhaps, comprise (20, A) remove the third line in the encoder matrix of sign indicating number and other capable corresponding codes bits the fourth line, A is the bit number of control information; First mapping submodule 912 is used for first sequences of code bits that the first coding submodule 911 obtains is mapped to Physical Uplink Control Channel.
The terminal that present embodiment provides; After encoding to control information in the terminal; Two coded-bits have been removed; Obtain the sequences of code bits of 18 bits, the sequences of code bits of this 18 bit be mapped on the Physical Uplink Control Channel that blocks transmit, these two coded-bits that removed do not carry the information of the 6th control information bit and the information of other control information bits of carrying also less; Thereby reduced the performance loss that the Physical Uplink Control Channel that blocks blocks the control information that last SC-FDMA symbol brings, improved the transmission performance of control information.
Figure 11 terminal provided by the invention the 3rd example structure sketch map, referring to Figure 11, this terminal comprises: coding mapping block 91 and sending module 92; This coding mapping block 91 may further include: the first coding submodule 911 and first mapping submodule 912;
In addition, the first coding submodule 911 comprises: first coding unit 9111 and first processing unit 9112;
Wherein, first coding unit 9111 be used for according to (20, A) sign indicating number encoder matrix control information is encoded, obtain second sequences of code bits:
As another kind of preferred embodiment, the first coding submodule 911 can also specifically be used for: according to (18, A) encoder matrix of sign indicating number is encoded to control information, obtains first sequences of code bits:
In addition, the first coding submodule 911 can also comprise:
Wherein, M
((i+2) mod20), n(i=0,1,2 ..., B-1, n=0,1,2 ..., A-1) be (20, A) ((i+2) mod20)+1 row, the corresponding element of n+1 row in the encoder matrix of sign indicating number, B=20;
The terminal that present embodiment provides; Sequences of code bits to obtaining behind the control information coding is 18 bits of encoded bit sequences; Do not comprise in this sequences of code bits (20, A) first row and the second row corresponding codes bit in the encoder matrix, this 18 bits of encoded bit sequence obtains 9 QPSK modulation symbols after the QPSK modulation; These 9 QPSK modulation symbols through the sign map that obtains after the band spectrum modulation to PUCCH on preceding 9 SC-FDMA symbols; Last SC-FDMA symbol does not send control information, and utilizes last SC-FDMA symbol period property ground to send the SRS signal to the base station, has improved the performance of system.By two coded-bits being removed do not carry the information of the 6th control information bit and the information of other control information bits of carrying also minimum; Thereby reduced the performance loss that the Physical Uplink Control Channel that blocks blocks the control information that last SC-FDMA symbol brings, improved the transmission performance of control information.
Figure 12 is terminal provided by the invention the 4th an example structure sketch map, and shown in figure 12, this terminal comprises: coding mapping block 91 and sending module 92; Wherein, coding mapping block 91 can comprise: second coding submodule 913, second mapping submodule 914 and the processing sub 915;
Wherein, the second coding submodule 913 is used for the control information coding is obtained the 4th sequences of code bits;
Second mapping submodule 914 is used for the 4th sequences of code bits is mapped to Physical Uplink Control Channel; Modulation symbol corresponding (20 on last SC-FDMA symbol of mapping back Physical Uplink Control Channel; A) first row and the second row corresponding codes bit in the encoder matrix of sign indicating number; Perhaps corresponding said (20, A) sign indicating number encoder matrix in the third line and fourth line corresponding codes bit, A is the bit number of control information;
Processing sub 915 is used to remove last SC-FDMA symbol.
The terminal that present embodiment provides; The coded-bit that finally is mapped to last SC-FDMA symbol of PUCCH do not carry the information of the 6th control information bit and the information of other control information bits of carrying also less; Thereby reduced the performance loss that the Physical Uplink Control Channel that blocks blocks the control information that last SC-FDMA symbol brings, improved the transmission performance of control information.Simultaneously the SRS signal is in the end periodically sent to the base station during SC-FDMA symbol in the terminal, has improved the performance of system.
Terminal the 5th embodiment provided by the invention, this terminal comprises: coding mapping block 91 and sending module 92; Wherein, coding mapping block 91 can comprise: second coding submodule 913, second mapping submodule 914 and the processing sub 915;
Further, the second coding submodule 913 can specifically be used for: according to (20, A) encoder matrix of sign indicating number is encoded to control information, obtains the 4th sequences of code bits:
Wherein, a
0, a
1, a
2, L, a
(A-1)Be the bit sequence of control information, M
I, n(i=0,1,2, L, B-1, n=0,1,2, L, A-1) be (20, A) capable, the corresponding element of n+1 row of i+1 in the encoder matrix of sign indicating number, B=20;
Corresponding, second mapping submodule 914 specifically is used for: with the 4th sequences of code bits with (20, A) modulation symbol of first row and the corresponding coded-bit correspondence of second row is mapped on last SC-FDMA symbol in the encoder matrix of sign indicating number; Perhaps, with in the 4th sequences of code bits with (20, A) modulation symbol of the corresponding coded-bit correspondence of the third line and fourth line is mapped on last SC-FDMA symbol in the encoder matrix of sign indicating number.
As another kind of preferred embodiment, second mapping submodule 914 can be further used for: the modulation symbol inverted order that the 4th sequences of code bits is corresponding is mapped on the Physical Uplink Control Channel; Perhaps; With in the 4th sequences of code bits with (20; A) first row and the corresponding modulation symbol of the corresponding coded-bit of second row are mapped on last SC-FDMA symbol in the encoder matrix of sign indicating number; The modulation symbol that all the other coded-bits are corresponding is mapped on all the other SC-FDMA symbols of Physical Uplink Control Channel successively, and each modulation symbol is mapped on the SC-FDMA symbol.
Second mapping submodule 914 can also be further used for: with in the 4th sequences of code bits with (20; A) the corresponding modulation symbol of the corresponding coded-bit of the third line and fourth line is mapped on last SC-FDMA symbol in the encoder matrix of sign indicating number; The modulation symbol that all the other coded-bits are corresponding is mapped on all the other SC-FDMA symbols of Physical Uplink Control Channel successively, and each modulation symbol is mapped on the SC-FDMA symbol.
In addition, the second coding submodule 913 can also specifically be used for: according to (20, A) encoder matrix of sign indicating number is encoded to control information, obtains the 4th sequences of code bits:
Wherein, M
((i+2) mod20), n(i=0,1,2, L, B-1, n=0,1,2, L, A-1) be (20, A) ((i+2) mod20)+1 row, the corresponding element of n+1 row in the encoder matrix of sign indicating number, B=20;
Corresponding; Second mapping submodule 914 can specifically be used for: the modulation symbol that the 4th sequences of code bits is corresponding is mapped to Physical Uplink Control Channel successively; Each modulation symbol is mapped on the SC-FDMA symbol, and from first SC-FDMA sign-on mapping.
The terminal that present embodiment provides; What last SC-FDMA symbol that the terminal is removed carried is and (20; A) in the encoder matrix of sign indicating number first row with the second capable corresponding codes bit or with (20; A) the third line and fourth line corresponding codes bit in the encoder matrix of sign indicating number; These two coded-bits do not carry the information of the 6th control information bit and the information of other control information bits of carrying also less, thereby reduced the performance loss that the Physical Uplink Control Channel that blocks blocks the control information that last SC-FDMA symbol brings, improved the transmission performance of control information.Simultaneously the SRS signal is in the end periodically sent to the base station during SC-FDMA symbol in the terminal, has improved the performance of system.
The terminal that above embodiment provides is the concrete actuating equipment of control information sending method provided by the invention, and the concrete operating process in terminal is repeated no more referring to front control information sending method embodiment.
Figure 13 is the base station provided by the invention first example structure sketch map, and this base station comprises: receiver module 20, coding module 21 and decoding module 22;
Wherein, receiver module 20 is used for the control information that receiving terminal sends;
Decoding module 22 is used for according to the control information decoding of the 5th sequences of code bits to receiving.
The base station that present embodiment provides; Encoding to candidate's control information respectively in the base station, obtains 18 bits of encoded bit sequences, do not comprise (20 in this sequences of code bits; A) first row and the second row corresponding codes bit in the encoder matrix of sign indicating number; Do not comprise perhaps that (20, A) the third line and fourth line corresponding codes bit in the encoder matrix of sign indicating number are deciphered the control information of reception according to the sequences of code bits of candidate's control information again.Because when the Physical Uplink Control Channel form that the end side utilization is blocked sends control information; Guaranteed owing to two coded-bits that the punching to last SC-FDMA symbol causes losing do not carry the information of the 6th control information bit and the information of other control information bits of carrying also less; Thereby reduced the performance loss that the Physical Uplink Control Channel that blocks blocks the control information that last SC-FDMA symbol brings, improved the transmission performance of control information; Simultaneously the SRS signal is in the end periodically sent to the base station during SC-FDMA symbol in the terminal, has improved the performance of system.
Figure 14 is the base station provided by the invention second example structure sketch map, and this base station comprises: receiver module 20, coding module 21 and decoding module 22;
Further, coding module 21 comprises: the 3rd coding unit 211 and the 3rd processing unit 212;
The 3rd coding unit 211 be used for respectively according to (20, A) encoder matrix of sign indicating number obtains the 6th sequences of code bits to candidate's control information coding:
Wherein, a
0, a
1, a
2, L, a
(A-1)Be the bit sequence of candidate's control information, M
I, n(i=0,1,2, L, B-1, n=0,1,2, L, A-1) be (20, A) capable, the corresponding element of n+1 row of i+1 in the encoder matrix of sign indicating number, B=20;
The 3rd processing unit 212 is used for removing with (20, A) first row and the second row corresponding codes bit in the encoder matrix of sign indicating number obtain the 5th sequences of code bits in the 6th sequences of code bits; Perhaps, in the 6th sequences of code bits, remove with (20, A) the third line and fourth line corresponding codes bit in the encoder matrix of sign indicating number obtain the 5th sequences of code bits.
As another preferred embodiment, coding module 21 can also specifically be used for: according to (18, A) encoder matrix of sign indicating number obtains the 5th sequences of code bits to candidate's control information coding:
Wherein, a
0, a
1, a
2, L, a
(A-1)Be the bit sequence of candidate's control information, M
I, n(i=0,1,2, L, B-1, n=0,1,2, L, A-1) be (18, A) the corresponding element of capable, the n+1 of i+1 row in the encoder matrix of sign indicating number, B=18, (18, A) encoder matrix of sign indicating number is through (20, A) encoder matrix of sign indicating number is clipped first row and the second row acquisition; Perhaps, through (20, A) encoder matrix of sign indicating number is clipped the third line and fourth line acquisition.
In addition, coding module 21 can also comprise: the 4th coding unit 213 and is managed unit 214 everywhere;
The 4th coding unit 213 be used for according to (20, A) encoder matrix of sign indicating number obtains the 7th sequences of code bits to candidate's control information coding:
Wherein, M
((i+2) mod20), n(i=0,1,2, L, B-1, n=0,1,2, L, A-1) be (20, A) ((i+2) mod20)+1 row, the corresponding element of n+1 row in the encoder matrix of sign indicating number, B=20;
Manages latter two coded-bit that unit 214 is used to remove the 7th sequences of code bits everywhere, obtains the 5th sequences of code bits.
The base station that present embodiment provides; Encoding to candidate's control information respectively in the base station, obtains 18 bits of encoded bit sequences, do not comprise (20 in this sequences of code bits; A) first row and the second row corresponding codes bit in the encoder matrix of sign indicating number; Do not comprise perhaps that (20, A) the third line and fourth line corresponding codes bit in the encoder matrix of sign indicating number are deciphered the control information of reception according to the sequences of code bits of candidate's control information again.Because when the Physical Uplink Control Channel form that the end side utilization is blocked sends control information; Guaranteed owing to two coded-bits that the punching to last SC-FDMA symbol causes losing do not carry the information of the 6th control information bit and the information of other control information bits of carrying also less; Thereby reduced the performance loss that the Physical Uplink Control Channel that blocks blocks the control information that last SC-FDMA symbol brings, improved the transmission performance of control information; Simultaneously the SRS signal is in the end periodically sent to the base station during SC-FDMA symbol in the terminal, has improved the performance of system.
The base station that above embodiment provides is the concrete actuating equipment of control information method of reseptance provided by the invention, and the concrete operating process in terminal is repeated no more referring to front control information method of reseptance embodiment.
Figure 15 is the control information receive-transmit system first example structure sketch map provided by the invention, and this system comprises terminal 30 and base station 31;
The control information receive-transmit system that the embodiment of the invention provides; After encoding to control information and be mapped to Physical Uplink Control Channel in the terminal; Be sent in the information bit sequence of base station and do not comprise (20; A) first row and the second row corresponding codes in the encoder matrix of sign indicating number, perhaps do not comprise (20, A) the third line and fourth line corresponding codes in the encoder matrix of sign indicating number; The information of the bit in the control information of carrying in two coded-bits that remove is less; Thereby reduced the performance loss that the Physical Uplink Control Channel that blocks blocks the control information that last SC-FDMA symbol brings; The transmission performance that has improved control information realizes that the terminal in the end periodically sends the SRS signal to the base station during SC-FDMA symbol, has improved the performance of system.
The control information receive-transmit system that above embodiment provides specifically referring to aforesaid control information method of reseptance and control information sending method embodiment, repeats no more.
Embodiment provided by the invention, the performance gain when the bit number A of control information gets different information bit is as shown in table 4, and simulated conditions is: the 5MHz bandwidth; Classical city (TU:Typical Urban) channel; The user equipment (UE) translational speed is 3 kilometers/hour, and antenna frame is 12 to be received, and adopts actual channel to estimate; Transformat is the LTE PUCCH Format 2 that blocks, and the performance objective value is that Block Error Rate (BLER) equals 10e-3.Be example when equaling 6 bits with A, under the present invention program the transmission performance of control information than 0.8 decibel of the transmission performance (dB) of control information under the prior art, BLER=10e-2, referring to table four:
| 6bit | 7bit | 8bit | 9bit | 10bit | 11bit |
| 0.8dB | 0.6dB | 0.4dB | 0.4dB | 0.25dB | 0.25dB |
Table four
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.Said method is applicable to the information routing forwarding of the routing node in other various cordless communication networks.
Claims (28)
1. a control information sending method is characterized in that, comprising:
With being mapped on the Physical Uplink Control Channel behind the control information coding;
The information that is mapped on the said Physical Uplink Control Channel is sent to the base station, and the said information corresponding codes bit sequence that sends to the base station comprises that (20, other go corresponding codes bits capable with second A) to remove first row in the encoder matrix of sign indicating number; Perhaps, comprise said (20, A) remove the third line in the encoder matrix of sign indicating number and other capable corresponding codes bits the fourth line; A is the bit number of said control information.
2. method according to claim 1 is characterized in that, saidly comprises being mapped on the Physical Uplink Control Channel behind the control information coding:
To said control information coding, obtain first sequences of code bits, that said first sequences of code bits comprises is said, and (20, other go corresponding codes bits going with second A) to remove first row in the encoder matrix of sign indicating number; Perhaps, comprise said (20, A) remove the third line in the encoder matrix of sign indicating number and other capable corresponding codes bits the fourth line; A is the bit number of said control information;
Said first sequences of code bits is mapped on the said Physical Uplink Control Channel.
3. method according to claim 2 is characterized in that, said said control information coding is obtained first sequences of code bits, specifically comprises:
According to said (20, A) sign indicating number encoder matrix said control information is encoded, obtain second sequences of code bits:
Wherein, a
0, a
1, a
2, L, a
(A-1)Be the bit sequence of said control information, M
I, n(i=0,1,2, L, B-1, n=0,1,2, L, A-1) be said (20, A) the corresponding element of capable, the n+1 of i+1 row in the encoder matrix of sign indicating number, B=20;
In said second sequences of code bits, remove with said (20, A) encoder matrix first of the sign indicating number row and the second capable corresponding codes bit obtain said first sequences of code bits; Perhaps, in said second sequences of code bits, remove with said (20, A) sign indicating number encoder matrix the third line and fourth line corresponding codes bit, obtain said first sequences of code bits.
4. method according to claim 2 is characterized in that, said said control information coding is obtained first sequences of code bits, is specially:
According to (18, A) encoder matrix of sign indicating number is encoded to said control information, obtains said first sequences of code bits:
Wherein, a
0, a
1, a
2, L, a
(A-1)Be the bit sequence of said control information, M
I, n(i=0,1,2, L, B-1, n=0,1,2, L, A-1) be said (18, A) the corresponding element of capable, the n+1 of i+1 row in the encoder matrix of sign indicating number, B=18, it is said that (18, A) (20, A) encoder matrix is clipped first row and the second row acquisition to the encoder matrix of sign indicating number through said; Perhaps, (20, A) encoder matrix of sign indicating number is clipped the acquisition of the third line and fourth line through said.
5. method according to claim 2 is characterized in that, said said control information coding is obtained first sequences of code bits, specifically comprises:
According to said (20; A) encoder matrix of sign indicating number is encoded to said control information, obtains the 3rd sequences of code bits:
Wherein, M
((i+2) mod20), n(i=0,1,2, L, B-1, n=0,1,2, L, A-1) be said (20, A) ((i+2) mod20)+1 row, the corresponding element of n+1 row in the encoder matrix of sign indicating number, B=20;
Remove latter two coded-bit of said the 3rd sequences of code bits, obtain said first sequences of code bits.
6. method according to claim 1 is characterized in that, saidly comprises being mapped on the Physical Uplink Control Channel behind the control information coding:
To said control information coding, obtain the 4th sequences of code bits;
Said the 4th sequences of code bits is mapped on the Physical Uplink Control Channel; Be mapped to the modulation symbol correspondence said (20 on last SC-FDMA symbol of said Physical Uplink Control Channel; A) first row and the second row corresponding codes bit in the encoder matrix of sign indicating number; Perhaps corresponding said (20, A) sign indicating number encoder matrix in the third line and fourth line corresponding codes bit, A is the bit number of control information;
The said information that will be mapped on the said Physical Uplink Control Channel sends to the base station and comprises: remove said last SC-FDMA symbol, all the other SC-FDMA symbols that are mapped to said Physical Uplink Control Channel are sent to the base station.
7. method according to claim 6; It is characterized in that; Said to said control information coding; Obtain the 4th sequences of code bits; Be specially: according to said (20, A) sign indicating number encoder matrix said control information is encoded, obtain the 4th sequences of code bits:
Wherein, a
0, a
1, a
2, L, a
(A-1)Be the bit sequence of said control information,
M
I, n(i=0,1,2, L, B-1, n=0,1,2, L, A-1) be said (20, A) the corresponding element of capable, the n+1 of i+1 row in the encoder matrix of sign indicating number, B=20;
Said being mapped on the Physical Uplink Control Channel; Be specially: with in said the 4th sequences of code bits with said (20, A) first row is mapped on said last SC-FDMA symbol with the corresponding modulation symbol of the corresponding coded-bit of second row in the encoder matrix of sign indicating number; Perhaps, with in said the 4th sequences of code bits with said (20, A) modulation symbol of the corresponding coded-bit correspondence of the third line and fourth line is mapped on said last SC-FDMA symbol in the encoder matrix of sign indicating number.
8. method according to claim 7; It is characterized in that; Said with in said the 4th sequences of code bits with said (20, A) first row is mapped on said last SC-FDMA symbol with the corresponding modulation symbol of the corresponding coded-bit of second row in the encoder matrix of sign indicating number, is specially:
The modulation symbol inverted order that said the 4th sequences of code bits is corresponding is mapped on the Physical Uplink Control Channel; Perhaps; With in said the 4th sequences of code bits with said (20; A) first row and the corresponding modulation symbol of the corresponding coded-bit of second row are mapped on said last SC-FDMA symbol in the encoder matrix of sign indicating number; The modulation symbol that all the other coded-bits are corresponding is mapped on all the other SC-FDMA symbols of said Physical Uplink Control Channel successively, and each modulation symbol is mapped on the SC-FDMA symbol.
9. method according to claim 7; It is characterized in that; Said with in said the 4th sequences of code bits with said (20, A) modulation symbol of the corresponding coded-bit correspondence of the third line and fourth line is mapped on said last SC-FDMA symbol in the encoder matrix of sign indicating number, is specially:
With in said the 4th sequences of code bits with said (20; A) the corresponding modulation symbol of the corresponding coded-bit of the third line and fourth line is mapped on said last SC-FDMA symbol in the encoder matrix of sign indicating number; The modulation symbol that all the other coded-bits are corresponding is mapped on all the other SC-FDMA symbols of said Physical Uplink Control Channel successively, and each modulation symbol is mapped on the SC-FDMA symbol.
10. method according to claim 6 is characterized in that, said said control information coding is obtained the 4th sequences of code bits, is specially: according to said (20, A) encoder matrix of sign indicating number is encoded to said control information, obtains the 4th sequences of code bits:
Wherein, M
((i+2) mod20), n(i=0,1,2, L, B-1, n=0,1,2, L, A-1) be said (20, A) ((i+2) mod20)+1 row, the corresponding element of n+1 row in the encoder matrix of sign indicating number, B=20;
Said said the 4th sequences of code bits is mapped on the Physical Uplink Control Channel; Be specially: the modulation symbol that said the 4th sequences of code bits is corresponding is mapped on the SC-FDMA symbol of said Physical Uplink Control Channel successively; Each modulation symbol is mapped on the SC-FDMA symbol, and from first SC-FDMA sign-on mapping.
11. a control information method of reseptance is characterized in that, comprising:
The control information that receiving terminal sends;
The candidate control information coding corresponding to said control information obtains the 5th sequences of code bits, and said the 5th sequences of code bits comprises that (20, other go corresponding codes bits going with second A) to remove first row in the encoder matrix of sign indicating number; Perhaps, comprise said (20, A) remove the third line in the encoder matrix of sign indicating number and other capable corresponding codes bits the fourth line, A is the bit number of said candidate's control information;
According to of the control information decoding of said the 5th sequences of code bits to receiving.
12. method according to claim 11 is characterized in that, the said candidate control information coding corresponding to said control information obtains the 5th sequences of code bits, specifically comprises:
According to said (20, A) sign indicating number encoder matrix said candidate's control information is encoded, obtain the 6th sequences of code bits:
Wherein, a
0, a
1, a
2, L, q
(A-1)Be the bit sequence of said candidate's control information, M
I, n(i=0,1,2, L, B-1, n=0,1,2, L, A-1) be said (20, A) the corresponding element of capable, the n+1 of i+1 row in the encoder matrix of sign indicating number, B=20;
In said the 6th sequences of code bits, remove with said (20, A) first row and the second capable corresponding codes bit in the encoder matrix of sign indicating number obtain said the 5th sequences of code bits; Perhaps, in said the 6th sequences of code bits, remove with said (20, A) sign indicating number encoder matrix in the third line and fourth line corresponding codes bit, obtain said the 5th sequences of code bits.
13. method according to claim 11 is characterized in that, the said candidate control information coding corresponding to said control information obtains the 5th sequences of code bits, is specially:
According to (18, A) encoder matrix of sign indicating number is encoded to said candidate's control information, obtains said the 5th sequences of code bits:
Wherein, a
0, a
1, a
2, L, a
(A-1)Be the bit sequence of said candidate's control information, M
I, n(i=0,1,2, L, B-1, n=0,1,2, L, A-1) be said (18, A) the corresponding element of capable, the n+1 of i+1 row in the encoder matrix of sign indicating number, B=18, it is said that (18, A) (20, A) encoder matrix is clipped first row and the second row acquisition to the encoder matrix of sign indicating number through said; Perhaps, (20, A) encoder matrix of sign indicating number is clipped the acquisition of the third line and fourth line through said.
14. method according to claim 11 is characterized in that, the said candidate control information coding corresponding to said control information obtains the 5th sequences of code bits, specifically comprises:
According to said (20; A) encoder matrix of sign indicating number is encoded to said candidate's control information, obtains the 7th sequences of code bits:
Wherein, M
((i+2) mod20), n(i=0,1,2, L, B-1, n=0,1,2, L, A-1) be said (20, A) ((i+2) mod20)+1 row, the corresponding element of n+1 row in the encoder matrix of sign indicating number, B=20;
Remove latter two coded-bit of said the 7th sequences of code bits, obtain said the 5th sequences of code bits.
15. a terminal is characterized in that, comprising:
The coding mapping block is used for being mapped to Physical Uplink Control Channel behind the control information coding;
Sending module; The information that is used for will being mapped on the said Physical Uplink Control Channel sends to the base station; The said information corresponding codes bit sequence that sends to the base station comprises that (20, other go corresponding codes bits capable with second A) to remove first row in the encoder matrix of sign indicating number; Perhaps, comprise said (20, A) remove the third line in the encoder matrix of sign indicating number and other capable corresponding codes bits the fourth line; A is the bit number of said control information.
16. terminal according to claim 15 is characterized in that, said coding mapping block comprises:
The first coding submodule is used for said control information coding is obtained first sequences of code bits, and said first sequences of code bits comprises that (20, other go corresponding codes bits going with second A) to remove first row in the encoder matrix of sign indicating number; Perhaps, comprise said (20, A) remove the third line in the encoder matrix of sign indicating number and other capable corresponding codes bits the fourth line, A is the bit number of said control information;
First mapping submodule is used for first sequences of code bits that said coding module obtains is mapped to Physical Uplink Control Channel.
17. terminal according to claim 16 is characterized in that, the said first coding submodule comprises:
First coding unit, be used for according to said (20, A) sign indicating number encoder matrix said control information is encoded, obtain second sequences of code bits:
Wherein, a
0, a
1, a
2, L, a
(A-1)Be the bit sequence of said control information, M
I, n(i=0,1,2, L, B-1, n=0,1,2, L, A-1) be said (20, A) the corresponding element of capable, the n+1 of i+1 row in the encoder matrix of sign indicating number, B=20;
First processing unit is used for said second sequences of code bits that obtains at said first coding unit, removes with said (20, A) encoder matrix first row and second of sign indicating number is gone the corresponding codes bit, obtains said first sequences of code bits; Perhaps, in said second sequences of code bits, remove with said (20, A) sign indicating number encoder matrix the third line and fourth line corresponding codes bit, obtain said first sequences of code bits.
18. terminal according to claim 16 is characterized in that, the said first coding submodule specifically is used for: according to (18, A) encoder matrix of sign indicating number is encoded to said control information, obtains said first sequences of code bits:
Wherein, a
0, a
1, a
2..., a
(A-1)Be the bit sequence of said control information, M
I, n(i=0,1,2 ..., B-1; N=0,1,2 ..., be said (18 A-1); A) the corresponding element of capable, the n+1 of i+1 row in the encoder matrix of sign indicating number, B=18, it is said that (18, A) (20, A) encoder matrix of sign indicating number is clipped first row and the second row acquisition to the encoder matrix of sign indicating number through said; Perhaps, (20, A) encoder matrix of sign indicating number is clipped the acquisition of the third line and fourth line through said.
19. terminal according to claim 16 is characterized in that, the said first coding submodule comprises:
Second coding unit; Be used for according to said (20; A) encoder matrix of sign indicating number is encoded to said control information, obtains the 3rd sequences of code bits:
Wherein, M
((i+2) mod20), n(i=0,1,2 ..., B-1, n=0,1,2 ..., A-1) be said (20, A) ((i+2) mod20)+1 row, the corresponding element of n+1 row in the encoder matrix of sign indicating number, B=20;
Second processing unit is used to remove latter two coded-bit of the 3rd sequences of code bits that said second coding unit obtains, obtains said first sequences of code bits.
20. terminal according to claim 15 is characterized in that, said coding mapping block comprises:
The second coding submodule is used for the control information coding is obtained the 4th sequences of code bits;
Second mapping submodule; Be used for said the 4th sequences of code bits is mapped to Physical Uplink Control Channel; Modulation symbol correspondence on last SC-FDMA symbol of the said Physical Uplink Control Channel in mapping back (20, A) first row and the second row corresponding codes bit in the encoder matrix of sign indicating number, perhaps corresponding said (20; A) the third line and fourth line corresponding codes bit in the encoder matrix of sign indicating number, A is the bit number of control information;
Processing sub is used to remove said last SC-FDMA symbol; Described sending module specifically is used for being mapped to said Physical Uplink Control Channel, removes said last SC-FDMA symbol, and all the other SC-FDMA symbols send to the base station.
21. terminal according to claim 20; It is characterized in that; The said second coding submodule specifically is used for: according to said (20; A) encoder matrix of sign indicating number is encoded to said control information, obtains the 4th sequences of code bits:
Wherein, a
0, a
1, a
2..., a
(A-1)Be the bit sequence of said control information,
M
I, n(i=0,1,2 ..., B-1, n=0,1,2 ..., A-1) be said (20, A) the corresponding element of capable, the n+1 of i+1 row in the encoder matrix of sign indicating number, B=20;
Said second mapping submodule specifically is used for: with said the 4th sequences of code bits with said (20, A) first row is mapped on said last SC-FDMA symbol with the corresponding modulation symbol of the corresponding coded-bit of second row in the encoder matrix of sign indicating number; Perhaps, with in said the 4th sequences of code bits with said (20, A) modulation symbol of the corresponding coded-bit correspondence of the third line and fourth line is mapped on said last SC-FDMA symbol in the encoder matrix of sign indicating number.
22. terminal according to claim 21 is characterized in that, said second mapping submodule is further used for: the modulation symbol inverted order that said the 4th sequences of code bits is corresponding is mapped on the Physical Uplink Control Channel; Perhaps; With in said the 4th sequences of code bits with said (20; A) first row and the corresponding modulation symbol of the corresponding coded-bit of second row are mapped on said last SC-FDMA symbol in the encoder matrix of sign indicating number; The modulation symbol that all the other coded-bits are corresponding is mapped on all the other SC-FDMA symbols of said Physical Uplink Control Channel successively, and each modulation symbol is mapped on the SC-FDMA symbol.
23. terminal according to claim 21; It is characterized in that; Said second mapping submodule is further used for: with in said the 4th sequences of code bits with said (20; A) the corresponding modulation symbol of the corresponding coded-bit of the third line and fourth line is mapped on said last SC-FDMA symbol in the encoder matrix of sign indicating number; The modulation symbol that all the other coded-bits are corresponding is mapped on all the other SC-FDMA symbols of said Physical Uplink Control Channel successively, and each modulation symbol is mapped on the SC-FDMA symbol.
24. terminal according to claim 20; It is characterized in that; The said second coding submodule specifically is used for: according to (20; A) encoder matrix of sign indicating number is encoded to said control information, obtains the 4th sequences of code bits:
Wherein, M
((i+2) mod20), n(i=0,1,2, L, B-1, n=0,1,2, L, A-1) be said (20, A) ((i+2) mod20)+1 row, the corresponding element of n+1 row in the encoder matrix of sign indicating number, B=20;
Said second mapping block specifically is used for: the modulation symbol that said the 4th sequences of code bits is corresponding is mapped to Physical Uplink Control Channel successively, and each modulation symbol is mapped on the SC-FDMA symbol, and from first SC-FDMA sign-on mapping.
25. a base station is characterized in that, comprising:
Receiver module is used for the control information that receiving terminal sends;
Coding module is used for the candidate control information coding corresponding to said control information, obtains the 5th sequences of code bits, and said the 5th sequences of code bits comprises that (20, other go corresponding codes bits going with second A) to remove first row in the encoder matrix of sign indicating number; Perhaps, comprise said (20, A) remove the third line in the encoder matrix of sign indicating number and other capable corresponding codes bits the fourth line, A is the bit number of said candidate's control information;
Decoding module is used for according to the control information decoding of said the 5th sequences of code bits to receiving.
26. base station according to claim 25 is characterized in that, said coding module comprises:
The 3rd coding unit, be used for respectively according to said (20, A) encoder matrix of sign indicating number is encoded to said candidate's control information, obtains the 6th sequences of code bits:
Wherein, a
0, a
1, a
2, L, a
(A-1)Be the bit sequence of said candidate's control information, M
I, n(i=0,1,2, L, B-1, n=0,1,2, L, A-1) be said (20, A) the corresponding element of capable, the n+1 of i+1 row in the encoder matrix of sign indicating number, B=20;
The 3rd processing unit is used for removing with said (20, A) first row and the second capable corresponding codes bit in the encoder matrix of sign indicating number obtain said the 5th sequences of code bits in said the 6th sequences of code bits; Perhaps, in said the 6th sequences of code bits, remove with said (20, A) sign indicating number encoder matrix in the third line and fourth line corresponding codes bit, obtain said the 5th sequences of code bits.
27. base station according to claim 25 is characterized in that, said coding module specifically is used for: according to (18, A) encoder matrix of sign indicating number is encoded to said candidate's control information, obtains said the 5th sequences of code bits:
Wherein, a
0, a
1, a
2, L, a
(A-1)Be the bit sequence of said candidate's control information, M
I, n(i=0,1,2, L, B-1; N=0,1,2, L is said (18 A-1); A) the corresponding element of capable, the n+1 of i+1 row in the encoder matrix of sign indicating number, B=18, it is said that (18, A) (20, A) encoder matrix of sign indicating number is clipped first row and the second row acquisition to the encoder matrix of sign indicating number through said; Perhaps, (20, A) encoder matrix of sign indicating number is clipped the acquisition of the third line and fourth line through said.
28. base station according to claim 25 is characterized in that, said coding module comprises:
The 4th coding unit, be used for according to said (20, A) sign indicating number encoder matrix said candidate's control information is encoded, obtain the 7th sequences of code bits:
Wherein, M
((i+2) mod20), n(i=0,1,2, L, B-1, n=0,1,2, L, A-1) be said (20, A) ((i+2) mod20)+1 row, the corresponding element of n+1 row in the encoder matrix of sign indicating number, B=20;
Manages the unit everywhere, is used to remove latter two coded-bit of said the 7th sequences of code bits, obtains said the 5th sequences of code bits.
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| CN110915269B (en) * | 2017-07-14 | 2023-10-10 | 高通股份有限公司 | User equipment power consumption and secondary cell activation latency reduction in a wireless communication system |
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