CN102668411A - Mapping method and device for dtx bits - Google Patents
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Abstract
Modulating and mapping method and device for DTX bits. Said method includes receiving binary symbols in a downlink physical channel; replacing the symbol values of DTX bits in said binary symbols with symbol values of non-DTX bits, then obtaining the updated binary symbols; and modulating and mapping said updated binary symbols. Using DTX bits to duplicate non-DTX bits, and supplying the receiving end with DTX bits that serve as redundant information to non-DTX bits, improves the ability of the receiving end to demodulate DTX bits. When all of the binary symbols in one path are DTX bits, once the binary symbols in same one path are modulated and mapped the output has a real number value of 0.
Description
The mapping method and equipment of DTX bits this application claims submitted on 2 9th, 2009 Patent Office of the People's Republic of China, Application No. PCT/CN2009/070383 entitled " mapping method and equipment of DTX bits " patent application priority, entire contents are hereby incorporated by reference in the application.Technical field
The present invention relates to communication technical field, more particularly to DTX (Discontinuous Transmission, discontinuous transmission）The mapping method and equipment of bit.
Background technology
In a wireless communication system, descending transmission channel FACH (Forward Access Channel, forward access channel）In coding and multiplexing, radio frames are filled up by inserting DTX bits, to adapt to length change of each transmission channel per frame data under different business speed, wherein DTX bits are used to refer to the shut-in time of emitter.Just according to each transmission channel in CCTrCH (Coded Composite Transport Channel, code composite transport channel）In position, can will insertion DTX bits be divided into flexible positions insertion DTX bits and fixed position insertion DTX bit two ways.Wherein, refered in particular in flexible positions insertion DTX ratios, each transmission channel multiple connection inserts a number of DTX bits after finishing at postamble；In fixed position, insertion DTX ratios are refered in particular to, and each transmission channel is in this TTI (Time Transmission Interval, Transmission Time Interval）A number of DTX bits are added at data end, to ensure that position of each transmission channel in CCTrCH is constant.
FACH is in carrying MBSFN (MBMS over a Single Frequency Network, multicast SFN) transmission when, the down physical channel mapped is S-CCPCH (Secondary Common Control Physical Channel, auxiliary Common Control Physical Channel）, the S-CCPCH can use 16QAM (Quadrature Amplitude Modulation, quadrature amplitude modulation）It is modulated.In 16QAM modulation mapping process, the code element that descending transmission channel is inputted every time is four continuous binary characters, is divided into two-way（I roads and Q roads）, often have two symbols all the way, the real number value symbol on I roads and Q roads formed after often symbol maps through ovennodulation all the way.The modulation mapping process of prior art is described exemplified by including DTX bits in four continuous symbols below, it is assumed that four continuous binary characters are nk、 nk+1、 nk+2、
nk+3, the wherein number of DTX bits is NDra (k), as 0≤ΝΌΤΧ (kDuring)≤3, the values of DTX bits is binary character " 1 ", for example, four symbols for " 0, DTX, 1, DTX ", after being " 1 " by the value of symbol value of DTX bits, corresponding four binary characters are " 0,1,1,1 ";Work as NDTX (kDuring)=4, then it is real number value 0 to export I roads and Q roads after modulation mapping, now closes the transmission channel on I roads and Q roads.
Inventor has found in the research process to prior art, in existing 16QAM modulation mapping process, when the continuous binary character in a code element is not all DTX bits, no matter the value of symbol of other non-DTX bits how value, the equal value of value of symbol of DTX bits is " 1 ", and this single value mode is difficult to the receptivity for improving non-DTX bits；In addition, only when all binary characters are DTX in a code element, the transmitting on I roads and Q roads could be closed, therefore when only incoming symbol is DTX all the way, it will unnecessary transmission power is wasted, system resource is wasted.
The content of the invention
The purpose of the embodiment of the present invention is the mapping method and equipment for providing DTX bits, single to solve existing DTX bits value mode, it is impossible to the problem of improving non-DTX bit receptions performance.
In order to solve the above technical problems, the embodiment of the present invention provides following technical scheme：
A kind of modulation mapping method of DTX bits, including：
Receive the binary character of down physical channel；
By the value of symbol that the value of symbol value of DTX bits in the binary character is non-DTX bits, the binary character after being updated；
Mapping is modulated to the binary character after the renewal.
A kind of modulation mapping method of DTX bits, it is characterised in that including：
Receive the binary character of down physical channel；
When binary character is DTX bits all the way in the binary character, when another road binary character includes non-DTX bits, by be DTX bits binary character all the way in DTX bits value of symbol value be another road binary character in non-DTX bits value of symbol, the binary character all the way after being updated；
Mapping is modulated to the binary character all the way after the renewal.
A kind of modulation mapping method of DTX bits, including：
Receive the binary character of down physical channel；
When positioned at the binary character on same road being DTX bits in the binary character, to it is described be that the same binary characters all the way of DTX bits is modulated after mapping and exports real number value 0.
A kind of modulation mapped device of DTX bits, including：
Receiving unit, the binary character for receiving down physical channel；
Operating unit, for by the value of symbol value of DTX bits in the binary character be non-DTX bits value of symbol, the binary character after being updated；
Map unit, for being modulated mapping to the binary character after the renewal.
A kind of modulation mapped device of DTX bits, including：
Receiving unit, the binary character for receiving down physical channel；
Map unit, for when positioned at the binary character on same road being DTX bits in the binary character, to it is described be that the same binary characters all the way of DTX bits is modulated after mapping and exports real number value 0.
The technical scheme provided in an embodiment of the present invention more than, in the embodiment of the present invention after binary character of down physical channel is received, by the value of symbol that the value of symbol value of DTX bits in binary character is non-DTX bits, binary character after being updated, and mapping is modulated to the binary character after renewal, the mode of non-DTX bits is repeated as a result of DTX bits, therefore the redundancy of DTX bits as non-DTX bits is supplied to receiving terminal, improves the performance that receiving terminal demodulates non-DTX bits.Another sunset is foretold, after the binary character for receiving down physical channel, when the same binary character all the way in binary character is DTX bits, real number value 0 can be exported to being modulated with binary character all the way after mapping, it can thus be appreciated that when only incoming symbol is DTX bits all the way, the transmitting on the road can be individually closed, system emission power is thus reduced, has accordingly saved system resource.
Brief description of the drawings
Fig. 1 is the first embodiment flow chart of the mapping method of DTX bits of the present invention；
Fig. 2 is the second embodiment flow chart of the mapping method of DTX bits of the present invention；
Fig. 3 is the 3rd embodiment flow chart of the mapping method of DTX bits of the present invention；
Fig. 4 is the fourth embodiment flow chart of the mapping method of DTX bits of the present invention；
Fig. 5 is the 5th embodiment flow chart of the mapping method of DTX bits of the present invention；
Fig. 6 is the sixth embodiment flow chart of the mapping method of DTX bits of the present invention；
Figure is the device structure schematic diagram of the mapping method embodiment using DTX bits of the present invention；Fig. 8 is the first embodiment block diagram of the mapped device of DTX bits of the present invention；
Fig. 9 is the second embodiment block diagram of the mapped device of DTX bits of the present invention；
Figure 10 is the 3rd embodiment block diagram of the mapped device of DTX bits of the present invention.
Embodiment
The embodiments of the invention provide the mapping method of DTX bits and equipment.
In order that those skilled in the art more fully understand the present invention program, and enable the above objects, features and advantages of the present invention more obvious understandable, the present invention is made further with thin explanation with reference to the accompanying drawings and detailed description.
The first embodiment flow of the mapping method of DTX bits of the present invention is as shown in Figure 1：
Step 101:Receive the binary character of down physical channel.
Step 102:By the value of symbol that the value of symbol value of DTX bits in binary character is non-DTX bits, the binary character after being updated.
Can be in the following way：By the value of symbol that the value of symbol value of DTX bits in binary character is non-DTX bits adjacent thereto；Or, according to the reliability of each bit in binary character, by the value of symbol that the value of symbol value of DTX bits is the minimum non-DTX bits of reliability；Or, by the value of symbol that the value of symbol value of DTX bits in binary character is the non-DTX bits for being located at same road with DTX bits；Or by binary character with DTX bits all the way value of symbol value for the non-DTX bits on another road value of symbol.
Step 103:Mapping is modulated to the binary character after renewal.
Wherein, modulation mapping can modulate mapping, 64QAM modulation mapping or the modulation of higher order mapping for 16QAM.
From above-described embodiment, the mode of non-DTX bits is repeated as a result of DTX bits, therefore the redundancy of DTX bits as non-DTX bits is supplied to receiving terminal, the performance that receiving terminal demodulates non-DTX bits is improved.
The second embodiment flow of the mapping method of DTX bits of the present invention is as shown in Figure 2：
Step 201:Receive the binary character of down physical channel.
Step 202:When the binary character in binary character positioned at same road is DTX bits, to being that the same binary character all the way of DTX bits is modulated output real number value 0 after mapping.
Wherein, modulation mapping can modulate mapping, 64QAM modulation mapping or the modulation of higher order mapping for 16QAM.
Further, can be by the value of symbol that the value of symbol value of the DTX bits in same binary character all the way is the non-DTX bits in the road when binary character includes non-DTX bits all the way together, the binary character after being updated；Or will be 0 or 1, the binary character after being updated with the value of symbol value of the DTX bits in binary character all the way；Or by the value of symbol that the value of symbol value of the DTX bits in same binary character all the way is non-DTX bits adjacent thereto, the binary character after being updated；Or according to the reliability of each bit in binary character, by the value of symbol value of the DTX bits in same binary character all the way for the value of symbol of the minimum non-DTX bits of reliability, the binary character after being updated；Or by the value of symbol value of the DTX bits in same binary character all the way for the value of symbol of the non-DTX bits in another road binary character, the binary character after being updated.Then mapping is modulated to the binary character after above-mentioned renewal.
From above-described embodiment, when the same binary character all the way in binary character is DTX bits, real number value 0 can be exported to being modulated with binary character all the way after mapping, it is possible thereby to individually close the transmitting on the road, reduce system emission power.
The 3rd embodiment flow of the mapping method of DTX bits of the present invention is as shown in figure 3, be the modulation mapping process after the value of symbol of non-DTX bits this example show a kind of value of symbol value by DTX bits：
Step 301:Receive the binary character of down physical channel.
Step 302:Judge whether binary character is all DTX bits, if so, then performing step 307;Otherwise, step 303 is performed.
Step 303:Judge whether the adjacent bit of DTX bit forwards order is non-DTX bits, if so, then performing step 304;Otherwise, step 305 is performed.
Step 304:By value of symbol of the value of symbol value of DTX bits for the preceding first non-DTX bit adjacent to order, the binary character after being updated performs step 306.
Step 305:It is first adjacent non-DTX ratio of backward order by the value of symbol value of DTX bits
Special value of symbol, the binary character after being updated.
Step 306:Binary character after renewal is modulated and maps and export modulation mapping value, terminates current process.
Step 307:Output modulation mapping value is real number value 0, terminates current process.
It should be noted that the mode that step 303 to step 305 is used in above-described embodiment for：First judge
Whether the adjacent bit of DTX bit forwards order is non-DTX bits, if it is, value is taken as the value of symbol of the preceding non-DTX bit adjacent to order, if it is not, value is the value of symbol of first adjacent non-DTX bit of backward order again.
, can also be in the following way in other embodiments of the present invention：First judge after DTX bits to the adjacent bit of order whether be non-DTX bits, if, then value is taken as the value of symbol of the adjacent non-DTX bits of backward order, if it is not, value is the preceding value of symbol to first sequentially adjacent non-DTX bit again.
Below by taking 16QAM as an example, illustrate the modulation mapping process of above-mentioned 3rd embodiment, it is assumed that four continuous binary characters are nk、 nk+1、 nk+2、 nk+3If wherein the number of DTX bits is less than 4, then the value of symbol value of DTX bits is the value of symbol of first adjacent non-DTX bit of its forward direction, for example, four binary characters be respectively " 1, DTX, 0, DTX ", then to the binary character value after the value of symbol value of DTX bits be " 1,1,0,0 ";If without preceding to adjacent non-DTX bits, the then value of symbol of its backward first adjacent non-DTX bit of value, for example, four binary characters are respectively " DTX, 1, DTX; 0 ", then it is " 1,1,1,0 " to the binary character value after DTX value of symbol value.Mapping is modulated to the binary character after above-mentioned renewal, that is, searches the real number value that existing 16QAM modulation mapping table can obtain two-way modulation mapping.In addition, if nk, nk+1, nk+2, nk+3The number of middle DTX bits is equal to 4, then the two-way real number value exported after modulation mapping is 0.
Because above-described embodiment employs the mode that DTX bits repeat non-DTX bits, therefore, it is possible to which the redundancy of DTX bits as non-DTX bits is supplied to receiving terminal, the performance that receiving terminal demodulates non-DTX bits is improved.
The fourth embodiment flow of the mapping method of DTX bits of the present invention is as shown in figure 4, this example show the ^ that another value of symbol value by DTX bits is non-DTX bits
Journey：
Step 401:Receive the binary character of down physical channel.
Step 402:Judge whether binary character is all DTX bits, if so, then performing step 406;Otherwise, step 403 is performed.
Step 403:By value of symbol of the value of symbol value of DTX bits for first non-DTX bit adjacent with DTX bits order in the minimum non-DTX bits of reliability, the binary character after being updated.
Modulation based on QAM is generally mapped using planisphere, by taking 16QAM as an example, four quadrants is divided into its planisphere, each quadrant includes four constellation points, altogether including 16 constellation points.According to the mapping of planisphere, in the four continuous binary characters received, the value of the first two binary character determines the quadrant where institute's mapped constellation points, the value of latter two binary character determines institute's mapped constellation points are which points in the quadrant, when being mapped to the binary character of constellation point through ovennodulation and after being wirelessly transferred, due to the decline and interference of wireless channel, constellation point may change, but the probability that quadrant where constellation point changes is less than the probability that specific constellation point changes in some quadrant, therefore the reliability of latter two binary character can be claimed lower than the reliability of the first two binary character, so generally by the value of symbol value of DTX bits in latter two symbol（Namely reliability is minimum) non-DTX bits in value of symbol with the adjacent first non-DTX bit of DTX bits order.
Step 404:Binary character after renewal is modulated and maps and export modulation mapping value, terminates current process.
Step 405:Output modulation mapping value is real number value 0, terminates current process.
Below still by taking 16QAM as an example, illustrate the modulation mapping process of above-mentioned fourth embodiment, it is assumed that four continuous binary characters are nk、 nk+1、 nk+2、 nk+3, wherein nk、 nk+1Reliability be higher than nk+2、 nk+3.If wherein the number of DTX bits is less than the value of symbol value n of 4, DTX bitsk+2、 nk+3In the first non-DTX bit adjacent with its order value of symbol, be then " 1,0,0,1 " to the binary character value after the value of symbol value of DTX bits for example, four binary characters are respectively " 1, DTX, 0,1 ";If nk+2、 nk+3In there is no non-DTX bits, then the value of symbol value n of DTX bitsk、 nk+1In the first non-DTX bit adjacent with its order value of symbol.In addition, if nk, nk+1, nk+2, nk+3The number of middle DTX bits is equal to 4, then the two-way real number value exported after modulation mapping is 0.
Because above-described embodiment employs the mode that DTX bits repeat non-DTX bits, therefore, it is possible to which the redundancy of DTX bits as non-DTX bits is supplied to receiving terminal, receiving terminal demodulation is improved non-
The performance of DTX bits.
5th embodiment flow of the mapping method of DTX bits of the present invention is as shown in figure 5, modulation mapping process when being DTX bits this example show binary character all the way：
Step 501:Receive the binary character of down physical channel.
Step 502:Judge whether two-way binary character is all DTX bits, if so, then performing step
509;Otherwise, step 503 is performed.
Step 503:Determine whether that binary character is DTX bits all the way, if so, then performing step 504;Otherwise, step 507 is performed.
Step 504:To this all the way binary character be DTX bits binary character be modulated mapping after export real number value 0.
Step 505:By the value of symbol that the value of symbol value of the DTX bits in another road binary character is the non-DTX bits in the road, the binary character after being updated.
Step 505 can also will be 0 or 1, the binary character after being updated with the value of symbol value of the DTX bits in binary character all the way in addition to the binary character after being updated using above-mentioned value mode；Or by the value of symbol that the value of symbol value of the DTX bits in same binary character all the way is non-DTX bits adjacent thereto, the binary character after being updated；Or according to the reliability of each bit in binary character, by the value of symbol value of the DTX bits in same binary character all the way for the value of symbol of the minimum non-DTX bits of reliability, the binary character after being updated.
Step 506:Another road binary character after renewal is modulated and maps and export modulation mapping value, terminates current process.
Step 507:By the value of symbol that the value of symbol value of the DTX bits in two-way binary character is the non-DTX bits in this road, the binary character after being updated.
Step 508:Two-way binary character after renewal is modulated and maps and export modulation mapping value, terminates current process.
Step 509:Output modulation mapping value is real number value 0, terminates current process.
Below still by taking 16QAM as an example, illustrate the modulation mapping process of above-mentioned 5th embodiment, it is assumed that four continuous binary characters are nk、 nk+1、 nk+2、 nk+3, wherein, nk、 nk+2As inputting all the way, nk+1、 nk+3Inputted as another road.If nk、 nk+2It is DTX bits, is output as after the modulation mapping of Ze Gai roads
Real number value 0, or similarly, if nk+1、 nk+3It is DTX bits, output valve is also real number value 0 after the modulation mapping of Ze Gai roads, i.e.,：When only binary character is DTX all the way, road transmitting can be closed.The binary character of non-DTX bits is included for another road, flexible value mode can be taken to the value of symbol of the DTX bits in the road, for example, four binary characters are respectively " 1, DTX, DTX, DTX ", then can be by nk+2The value of symbol value of corresponding DTX bits is the value of symbol " 1 " with non-DTX bits all the way with it, or can also be " 0 " or " 1 " according to default direct value, or the value mode progress value of aforementioned third embodiment and fourth embodiment is combined, it will not be repeated here.In addition, if,+1,+2, the number of DTX bits is equal to 4 in+3, then the two-way real number value exported after modulation mapping is 0.
From above-described embodiment, when the same binary character all the way in binary character is DTX bits, real number value 0 can be exported to being modulated with binary character all the way after mapping, it can thus be appreciated that when only incoming symbol is DTX bits all the way, the transmitting on the road can individually be closed, thus reduce system emission power, accordingly system resource is saved, by the way of non-DTX bits are repeated using DTX bits, the redundancy of DTX bits as non-DTX bits can be supplied to receiving terminal, improve the performance that receiving terminal demodulates non-DTX bits.
The sixth embodiment flow of the mapping method of DTX bits of the present invention is as shown in fig. 6, modulation mapping process when being DTX bits this example show binary character：
Step 601:Receive the binary character of down physical channel.
Step 602:Judge whether two-way binary character is all DTX bits, if so, then performing step 609;Otherwise, step 603 is performed.
Step 603:Determine whether that binary character is DTX bits all the way, if so, then performing step 604;Otherwise, step 607 is performed.
Step 604:To this all the way binary character be DTX bits binary character value for another road non-DTX bits value of symbol.
In step 604, if another non-DTX bits of road binary character only one of which, it is then the value of symbol for the non-DTX bits that the binary character value of DTX bits all the way is another road, if another road binary character is non-DTX bits, this be all the way the DTX bits of the binary character of DTX bits value of symbol in order value be another road binary character in non-DTX bits value of symbol.
Below still by taking 16QAM as an example, illustrate the sampling process of above-mentioned steps 604, the continuous binary character of history four is nk、 nk+1、 nk+2、 nk+3, n thereink、 nk+2It is used as input I roads, ii=n all the wayk , i2= nk+2, n thereink+1、 nk+3It is used as another road input Q roads, qf iik+i, q2= nk+3.If two binary character n on I roadsk、nk+2It is DTX bits, two binary characters on Q roads are non-DTX bits, such as ^=0, q2=l, then make==0, i2= q2=l, i.e. nk= nk+1=0, nk+2= nk+3= l.Also other value modes are not excluded for, such as the opposite mode of order, i.e. if q^l, i2= qi=0o
Step 605:By the value of symbol that the value of symbol value of the DTX bits in another road binary character is the non-DTX bits in the road, the binary character after being updated.
Step 605 can also will be 0 or 1, the binary character after being updated with the value of symbol value of the DTX bits in binary character all the way in addition to the binary character after being updated using above-mentioned value mode;Or by the value of symbol that the value of symbol value of the DTX bits in same binary character all the way is non-DTX bits adjacent thereto, the binary character after being updated;Or according to the reliability of each bit in binary character, by the value of symbol value of the DTX bits in same binary character all the way for the value of symbol of the minimum non-DTX bits of reliability, the binary character after being updated.
Step 606:Two-way binary character after renewal is modulated and maps and export modulation mapping value, terminates current process.
Step 607:By the value of symbol that the value of symbol value of the DTX bits in two-way binary character is the non-DTX bits in this road, the binary character after being updated.
Step 608:Two-way binary character after renewal is modulated and maps and export modulation mapping value, terminates current process.
Step 609:The modulation mapping value of two-way output is real number value 0, terminates current process.
From above-described embodiment, when the same binary character all the way in binary character is DTX bits, can to be DTX bits the value of binary character all the way for another road non-DTX bits value, the redundancy of DTX bits as non-DTX bits can be supplied to receiving terminal, improve the performance that receiving terminal demodulates non-DTX bits.
Modulation mapping process has been described in detail by taking 16QAM modulation mappings as an example in the modulation mapping of above-mentioned 3rd embodiment to sixth embodiment, and actually 64QAM modulation maps or the modulation mapping process of higher order is similar with its, no longer praises state herein.
A kind of device structure schematic diagram of mapping method embodiment using DTX bits of the present invention is as shown in the figure, the binary character input serioparallel exchange module 710 of down physical channel, serial binary character is converted into corresponding parallel binary symbol by the serioparallel exchange module 710, the parallel binary symbol is divided into two-way, respectively I roads and Q roads, above-mentioned two-way binary character is inputted into modulation mapping block 720 respectively, mapping block 720 is modulated to carry out the value of symbol of the DTX bits in two-way binary character after value according to foregoing any embodiment, search modulation mapping table and export two-way real number value, this two-way real number value is through spread spectrum codes Cch, SF, after m is spread, the merging for carrying out I, Q two-way generates I+jQ, then passes through scrambler
L+jQ are scrambled, and wireless signal transmission is formed by modulation after scrambling.
Below by taking 16QAM as an example, it is assumed that four binary characters of input are nk, nk+1, nk+2, nk+3, after serioparallel exchange module 610, nk, nk+2Inputted as I roads, i.e. ,=nk, i2= nk+2, nk+1, nk+3Inputted as Q roads, i.e. qi=nk+1, q2= nk+3.Behind I roads and Q roads input modulation mapping block 620, mapping block 620 is modulated to carry out the value of symbol of the DTX bits in two-way binary character after value according to foregoing any embodiment, search the modulation mapping table as shown in table 1 below pre-saved, and export two-way real number value, after subsequently being spread and scrambled, modulate emission signal is exported.
The iiqii2q2 I roads Q roads of table 1
0000 0.4472 0.4472
0001 0.4472 1.3416
0010 1.3416 0.4472
0011 1.3416 1.3416
0100 0.4472 -0.4472
0101 0.4472 -1.3416
0110 1.3416 -0.4472
0111 1.3416 -1.3416
1000 -0.4472 0.4472
1001 -0.4472 1.3416
1010 -1.3416 0.4472
1011 -1.3416 1.3416
1100 -0.4472 -0.4472
1101 -0.4472 -1.3416
1110 -1.3416 -0.4472
1111 -1.3416 -1.3416
Embodiment flow with the modulation mapping method of DTX bits of the present invention is corresponding, and present invention also offers the embodiment of the modulation mapped device of DTX bits.
The first embodiment block diagram of the modulation mapped device of DTX bits of the present invention is as shown in figure 8, the equipment includes：Receiving unit 810, operating unit 820 and map unit 830.
Wherein, receiving unit 810 is used for the binary character for receiving down physical channel；Operating unit 820 is used for the value of symbol that the value of symbol value of DTX bits in the binary character is non-DTX bits, the binary character after being updated；Map unit 830 is used to be modulated mapping to the binary character after the renewal.
Specifically, operating unit 820 can include at least one following unit（Not shown in Fig. 8）：First operating unit, for by the value of symbol value of DTX bits in the binary character be non-DTX bits adjacent thereto value of symbol；
Second operating unit, for the reliability according to each bit in the binary character, by the value of symbol that the value of symbol value of the DTX bits is the minimum non-DTX bits of the reliability；
3rd operating unit, for being the value of symbol with the DTX bits positioned at the non-DTX bits on same road by the value of symbol value of DTX bits in the binary character；
4th operating unit, for being the value of symbol with the DTX bits positioned at the non-DTX bits on another road by the value of symbol value of DTX bits in the binary character.
Further, map unit 830 is additionally operable to when positioned at the binary character on same road being DTX bits in the binary character, to it is described be DTX bits same binary character all the way be modulated mapping after be output as real number value 0;Or, by it is described be value of symbol that the same value of binary character all the way of DTX bits is the non-DTX bits in another road binary character, then the binary character after being updated be modulated mapping to the binary character after renewal.
The second embodiment block diagram of the modulation mapped device of DTX bits of the present invention is as shown in figure 9, the equipment includes：Receiving unit 910 and map unit 920.
Wherein, receiving unit 910 is used for the binary character for receiving down physical channel；Map unit 920 is used for when positioned at the binary character on same road being DTX bits in the binary character, to it is described be that the same binary characters all the way of DTX bits is modulated after mapping and exports real number value 0.
Further, at least one following unit can also be included（Not shown in Fig. 9）：
First operating unit, for when the binary character in the binary character positioned at same road includes non-DTX bits, value of symbol value by the DTX bits with binary character all the way is the value of symbol of the non-DTX bits, the binary character after being updated；
Second operating unit, for when the binary character in the binary character positioned at same road includes non-DTX bits, the value of symbol value by the DTX bits with binary character all the way to be 0 or 1, the binary character after being updated；
3rd operating unit, for when the binary character in the binary character positioned at same road includes non-DTX bits, value of symbol value by the DTX bits with binary character all the way is the value of symbol of non-DTX bits adjacent thereto, the binary character after being updated；
4th operating unit, for when the binary character in the binary character positioned at same road includes non-DTX bits, according to the reliability of each bit in binary character, by the value of symbol value of the DTX bits with binary character all the way for the value of symbol of the minimum non-DTX bits of the reliability, the binary character after being updated；
Further, map unit 920 is additionally operable to, and mapping is modulated to the binary character after the renewal.As seen through the above description of the embodiments, in the embodiment of the present invention after binary character of down physical channel is received, by the value of symbol that the value of symbol value of DTX bits in binary character is non-DTX bits, binary character after being updated, and mapping is modulated to the binary character after renewal, the mode of non-DTX bits is repeated as a result of DTX bits, therefore the redundancy of DTX bits as non-DTX bits is supplied to receiving terminal, improves the performance that receiving terminal demodulates non-DTX bits.In addition, after the binary character for receiving down physical channel, when the same binary character all the way in binary character is DTX bits, real number value 0 can be exported to being modulated with binary character all the way after mapping, it can thus be appreciated that when only incoming symbol is DTX bits all the way, the transmitting on the road can be individually closed, system emission power is thus reduced, has accordingly saved system resource.
As shown in Figure 10, the equipment includes the 3rd embodiment block diagram of the modulation mapped device of DTX bits of the present invention：Receiving unit 1010 and map unit 1020.
Wherein, receiving unit 1010 is used for the binary character for receiving down physical channel；Map unit 1020 be used for when the binary character of two-way in the binary character is DTX bits, to it is described be DTX bits two-way binary character be modulated mapping after export real number value 0.
The map unit 1020, it is additionally operable to when including DTX bits and non-DTX bits in two-way binary character, by the value of symbol that the DTX bit symbols value in binary character is non-DTX bits in this road binary character, two-way binary character after being updated, and mapping is modulated to the two-way binary character after renewal.
The map unit 1020, it is wherein DTX bits all the way to be additionally operable to work as in two-way binary character, when another road includes non-DTX bits, by be DTX bits binary character all the way in DTX bits value be another road binary character in non-DTX bits value of symbol, binary character after being updated, and mapping is modulated to the binary character after renewal.
From above-described embodiment, when the same binary character all the way in binary character is DTX bits, can to be DTX bits the value of binary character all the way for another road non-DTX bits value, the redundancy of DTX bits as non-DTX bits can be supplied to receiving terminal, improve the performance that receiving terminal demodulates non-DTX bits.
Those skilled in the art can be understood that the present invention can add the mode of required general hardware platform to realize by software.Understood based on such, the part that technical scheme substantially contributes to prior art in other words can be embodied in the form of software product, the computer software product can be stored in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are to cause a computer equipment（Can be personal computer, server, or network equipment etc.）Perform the method described in some parts of each embodiment of the invention or embodiment.
The embodiments of the present invention described above are not intended to limit the scope of the present invention.Any modifications, equivalent substitutions and improvements made within the spirit and principles in the present invention etc., should be included in the scope of the protection.
Claims (13)
- Claim1st, a kind of modulation mapping method of DTX bits, it is characterised in that including：Receive the binary character of down physical channel；By the value of symbol that the value of symbol value of DTX bits in the binary character is non-DTX bits, the binary character after being updated；Mapping is modulated to the binary character after the renewal.2nd, according to the method described in claim 1, it is characterised in that the value of symbol value by DTX bits in binary character includes for the value of symbol of non-DTX bits：Value of symbol；OrAccording to the reliability of each bit in the binary character, by the value of symbol that the value of symbol value of the DTX bits is the minimum non-DTX bits of the reliability；OrBy the value of symbol that the value of symbol value of DTX bits in the binary character is the non-DTX bits for being located at same road with the DTX bits；OrBy value of symbol of the value of symbol value of same DTX bits all the way in the binary character for the non-DTX bits on another road.3rd, method according to claim 2, it is characterised in that the value of symbol value by DTX bits in binary character includes for the value of symbol of non-DTX bits adjacent thereto：When the adjacent bit of DTX bit forwards order is non-DTX bits, by the value of symbol that the value of symbol value of the DTX bits is first adjacent non-DTX bit of forward direction order, when the adjacent bit of DTX bit forwards order is DTX bits, by value of symbol of the value of symbol value of the DTX bits for first adjacent non-DTX bit of backward order；OrWhen to the adjacent bit of order being non-DTX bits after the DTX bits, by the value of symbol that the value of symbol value of the DTX bits is first adjacent non-DTX bit of the backward order, when to the adjacent bit of order being DTX bits after the DTX bits, by value of symbol of the value of symbol value of the DTX bits for the preceding first non-DTX bit adjacent to order.4th, method according to claim 2, it is characterised in that the value of symbol value by DTX bits is that the value of symbol of the minimum non-DTX bits of the reliability includes： By value of symbol of the value of symbol value of the DTX bits for first non-DTX bit adjacent with DTX bits order in the minimum non-DTX bits of the reliability.5th, method according to claim 2, it is characterised in that also include：When positioned at the binary character on same road being DTX bits in the binary character, to it is described be DTX bits same binary character all the way be modulated mapping after be output as real number value 0.6th, a kind of modulation mapping method of DTX bits, it is characterised in that including：Receive the binary character of down physical channel；When binary character is DTX bits all the way in the binary character, when another road binary character includes non-DTX bits, by be DTX bits binary character all the way in DTX bits value of symbol value be another road binary character in non-DTX bits value of symbol, the binary character all the way after being updated；Mapping is modulated to the binary character all the way after the renewal.7th, method as claimed in claim 6, it is characterised in that also include：When including DTX bits in another road binary character comprising non-DTX bits, by the value of symbol that the value of symbol value of DTX bits in another road binary character is non-DTX bits in this road binary character, another road binary character after being updated；Mapping is modulated to another road binary character after the renewal.8th, a kind of modulation mapping method of DTX bits, it is characterised in that including：Receive the binary character of down physical channel；When positioned at the binary character on same road being DTX bits in the binary character, to it is described be that the same binary characters all the way of DTX bits is modulated after mapping and exports real number value 0.9th, method according to claim 8, it is characterised in that also include：When the binary character in the binary character positioned at same road includes non-DTX bits, it will be worth, the binary character after being updated；OrWhen the binary character in the binary character positioned at same road includes non-DTX bits, the value of symbol value by the DTX bits with binary character all the way is 0 or 1, after being updated Binary character；OrWhen including non-DTX bits positioned at the binary character on same road in the binary character, by value of symbol, the binary character after being updated；OrWhen the binary character in the binary character positioned at same road includes non-DTX bits, according to the reliability of each bit in binary character, by the value of symbol value of the DTX bits with binary character all the way for the value of symbol of the minimum non-DTX bits of the reliability, the binary character after being updated；Mapping is modulated to the binary character after the renewal.10th, a kind of modulation mapped device of DTX bits, it is characterised in that including：Receiving unit, the binary character for receiving down physical channel；Operating unit, for by the value of symbol value of DTX bits in the binary character be non-DTX bits value of symbol, the binary character after being updated；Map unit, for being modulated mapping to the binary character after the renewal.11st, equipment according to claim 10, it is characterised in that the operating unit includes at least one following unit：First operating unit, for by the value of symbol value of DTX bits in the binary character be non-DTX bits adjacent thereto value of symbol；Second operating unit, for the reliability according to each bit in the binary character, by the value of symbol that the value of symbol value of the DTX bits is the minimum non-DTX bits of adjacent first of the reliability；3rd operating unit, for being the value of symbol with the DTX bits positioned at the non-DTX bits on same road by the value of symbol value of DTX bits in the binary character；4th operating unit, for by the binary character with DTX bits all the way value of symbol value for the non-DTX bits on another road value of symbol.12nd, equipment according to claim 11, it is characterized in that, the map unit is additionally operable to, when positioned at the binary character on same road being DTX bits in the binary character, to it is described be DTX bits same binary character all the way be modulated mapping after be output as real number value 0. 13rd, a kind of modulation mapped device of DTX bits, it is characterised in that including：Receiving unit, the binary character for receiving down physical channel；Map unit, for when positioned at the binary character on same road being DTX bits in the binary character, to it is described be that the same binary characters all the way of DTX bits is modulated after mapping and exports real number value 0.14th, equipment according to claim 13, it is characterised in that also including at least one following unit：First operating unit, for when the binary character in the binary character positioned at same road includes non-DTX bits, value of symbol value by the DTX bits with binary character all the way is the value of symbol of the non-DTX bits, the binary character after being updated；Second operating unit, for when the binary character in the binary character positioned at same road includes non-DTX bits, the value of symbol value by the DTX bits with binary character all the way to be 0 or 1, the binary character after being updated；3rd operating unit, for when the binary character in the binary character positioned at same road includes non-DTX bits, value of symbol value by the DTX bits with binary character all the way is the value of symbol of non-DTX bits adjacent thereto, the binary character after being updated；4th operating unit, for when the binary character in the binary character positioned at same road includes non-DTX bits, according to the reliability of each bit in binary character, by the value of symbol value of the DTX bits with binary character all the way for the value of symbol of the minimum non-DTX bits of the reliability, the binary character after being updated；The map unit is additionally operable to, and mapping is modulated to the binary character after the renewal.
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