CN101931508A - PCI (Pre-Coding Indicator) coding method and device of DC-HSDPA (Double Carrier-High Speed Downlink Packet Access) and TxAA (Transit Adaptive Antennas Array) coexisted scene - Google Patents
PCI (Pre-Coding Indicator) coding method and device of DC-HSDPA (Double Carrier-High Speed Downlink Packet Access) and TxAA (Transit Adaptive Antennas Array) coexisted scene Download PDFInfo
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Abstract
The invention relates to PCI (Pre-Coding Indicator) coding method and device of a DC-HSDPA (Double Carrier-High Speed Downlink Packet Access) and TxAA (Transit Adaptive Antennas Array) coexisted scene. The method comprise the following steps of: acquiring the PCI information of two carriers of a DC-HSDPA; carrying out associated coding of the PCI information of the two carriers of the DC-HSDPA and loading on the subframes of the same HS-DPCCH (High-Speed Dedicated Physical Control Channel); and sending the subframes of the HS-DPCCH, which carry the PCI information of the two carriers of the DC-HSDPA, to a network end. By the embodiment of the invention, when a client end accesses a network in a DC-HSDPA and TxAA coexisted scene technology, a minimum feedback cycle for the client end to report the PCI information to the network end is reduced, thereby saving time and network resources.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of DC-HSDPA (Double Carrier-High Speed Downlink Packet Access, adopt the high speed downlink packet of two ZAP to insert) and TxAA (Transmit Adaptive Antennas Array, the TxAA Transmit Adaptive Antennas array) and deposit PCI (Pre-Coding Indicator, precoding indication) coding method and the device of scene.
Background technology
Present DC-HSDPA+TxAA also deposits the scene technology, HS-DPCCH (High-Speed Dedicated Physical Control Channel, High-Speed Dedicated Physical Control Channel) PCI and CQI (Channel Quality Indicator, the channel quality indication) part adopts the PCI information of 2bit and the CQI information combined coding of 5bit, adopts the time division way feedback.Herein, the high speed downlink packet access DC-HSDPA that adopts two ZAP increases an emission carrier wave on original HSDPA (High Speed Downlink Packet Access, high speed downlink packet inserts) technical foundation, to improve transmission rate.The TxAA technology is meant the TxAA Transmit Adaptive Antennas array technique, and it uses antenna transmit diversity, obtains space diversity gain.As shown in table 1 below, be prior art PCI and CQI information combined coding basic sequence table.
| 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 |
| 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
| 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 8 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 |
| 9 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 |
| 10 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 |
| 11 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| 12 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
| 13 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 |
| 14 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 1 |
| 15 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 |
| 16 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 |
| 17 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 |
| 18 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 0 |
| 19 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Table 1 prior art PCI and CQI information combined coding basic sequence table
Present DC-HSDPA+TxAA also deposits the scene technology, and the PCI of HS-DPCCH and CQI partly adopt the PCI information of 2bit and the CQI information combined coding of 5bit, adopts the time division way feedback.
The information bit mapping mode is before the coding of PCI and CQI:
(a
0?a
1?a
2?a
3?a
4?a
5?a
6)＝(pci
0?pci
1?cqi
0?cqi
1?cqi
2?cqi
3?cqi
4)，
Wherein, (a
0a
1a
2a
3a
4a
5a
6) be a mathematical expression of the information bit before the coding, first to the 7th bit of a sequence of expression.In addition, pci
0, pci
1The PCI information of the 2bit that states exactly, cqi
0, cqi
1, cqi
2, cqi
3, cqi
4The CQI information of the 5bit that states exactly.
Output information bit table behind the coding is shown as:
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art: the coding of the PCI of prior art and CQI part is that the PCI information of 2 bits and the CQI information of 5 bits are encoded together, and each subframe to the network terminal feedback once.But the PCI information that the PCI of each feedback and CQI coded portion can only be indicated a carrier wave is so the PCI information of another carrier wave will wait until that next subframe just can report.Such two carrier waves constantly alternately report, and just make the minimum feedback cycle that reports PCI information increase by one times, lose time and Internet resources.
Summary of the invention
The embodiment of the invention provides a kind of DC-HSDPA and TxAA and deposits the PCI coding method and the device of scene, can reduce the minimum feedback cycle that report PCI information of client to network terminal, saves time and Internet resources.
On the one hand, the embodiment of the invention provides a kind of precoding indication PCI coding method of adopting the high speed downlink packet access DC-HSDPA and the TxAA Transmit Adaptive Antennas array TxAA of two ZAP and depositing scene, and said method comprises: the PCI information of obtaining two carrier waves of DC-HSDPA; The PCI information of two carrier waves of above-mentioned DC-HSDPA is carried out combined coding, be carried on the subframe of same HS-DPCCH; The subframe of above-mentioned HS-DPCCH of the PCI information of two carrier waves of the above-mentioned DC-HSDPA of carrying is sent to network terminal.
On the other hand, the embodiment of the invention provides a kind of DC-HSDPA and TxAA and deposited the PCI code device of scene, and said apparatus comprises: acquiring unit is used to obtain the PCI information of two carrier waves of DC-HSDPA; Coding unit is used for the PCI information of two carrier waves of above-mentioned DC-HSDPA is carried out combined coding, is carried on the subframe of same HS-DPCCH; Transmitting element is used for the subframe of above-mentioned HS-DPCCH of the PCI information of two carrier waves of the above-mentioned DC-HSDPA of carrying is sent to network terminal.
Technique scheme has following beneficial effect: because employing is carried out combined coding with the PCI information of two carrier waves of above-mentioned DC-HSDPA, be carried on the technological means on the same subframe, so reached when reducing client and carrying out network insertion to the minimum feedback cycle that reports PCI information of network terminal, saved time and the technique effect of Internet resources.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is for a kind of DC-HSDPA of the embodiment of the invention and TxAA and deposit the PCI coding method flow chart of scene;
Fig. 2 is for a kind of DC-HSDPA of the embodiment of the invention and TxAA and deposit the PCI code device structural representation of scene;
Fig. 3 is for the embodiment of the invention another kind of DC-HSDPA and TxAA and deposit the PCI code device structural representation of scene.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Embodiment one:
As shown in Figure 1, adopt the high speed downlink packet of two ZAP to insert DC-HSDPA and TxAA Transmit Adaptive Antennas array TxAA and deposit the precoding indication PCI coding method flow chart of scene for the embodiment of the invention is a kind of, said method comprises:
101, obtain the PCI information of two carrier waves of DC-HSDPA.
Optionally, before the PCI information of above-mentioned two carrier waves that obtain DC-HSDPA, said method can also comprise: receive the high-speed shared control channel command (HS-SCCH order) that network terminal sends, and trigger above-mentioned PCI combined coding according to HS-SCCH order.Two carrier waves here just are meant two carrier waves of DC-HSDPA.These two carrier waves can be that adjacent carrier also can be non-conterminous carrier wave.A carrier wave can be defined as main carrier, and another carrier wave is defined as auxilliary carrier wave.
102, the PCI information of two carrier waves of above-mentioned DC-HSDPA is carried out combined coding, be carried on the subframe of same HS-DPCCH.
The PCI information of described two carrier waves with above-mentioned DC-HSDPA is carried out combined coding, be carried on the subframe of same HS-DPCCH and can comprise: the PCI information of two carrier waves of above-mentioned DC-HSDPA is carried out combined coding, be carried on the PCI and the channel quality indicator (CQI) part of the subframe of same HS-DPCCH.The PCI information of described two carrier waves with above-mentioned DC-HSDPA is carried out combined coding, and the PCI and the channel quality indicator (CQI) part that are carried on the subframe of same HS-DPCCH can comprise: with the PCI information-bearing of two carrier waves of above-mentioned DC-HSDPA before the channel quality indicator (CQI) of the main carrier at the subframe place of above-mentioned HS-DPCCH or the two ends of CQI.
103, the subframe of above-mentioned HS-DPCCH of the PCI information of two carrier waves of the above-mentioned DC-HSDPA of carrying is sent to network terminal.
Said method embodiment of the present invention is because employing is carried out combined coding with the PCI information of two carrier waves of above-mentioned DC-HSDPA, be carried on the technological means on the same subframe, so reached when reducing client and carrying out network insertion to the minimum feedback cycle that reports PCI information of network terminal, saved time and the technique effect of Internet resources.
Embodiment two:
The PCI information of two carrier waves of DC-HSDPA is carried out combined coding, be carried on the PCI and the CQI part (in fact also can be carried on other parts, the present invention is not as limit) of same carrier wave.Information a before the coding of PCI and CQI part
0a
1a
2a
3a
4a
5a
6a
7a
8Expression can have two kinds of mapping modes:
Pci
0, pci
1The precoding factor of expression main carrier;
Pci
0, pci
1The precoding factor of the auxilliary carrier wave of expression.
Mapping mode one:
(a
0?a
1?a
2?a
3?a
4?a
5?a
6?a
7?a
8)＝(pci
0?pci
1?cqi
0?cqi
1?cqi
2?cqi
3?cqi
4?pci′
0?pci′
1)
Mapping mode two:
(a
0?a
1?a
2?a
3?a
4?a
5?a
6?a
7?a
8)＝(pci
0?pci
1?pci′
0?pci′
1?cqi
0?cqi
1?cqi
2?cqi
3?cqi
4)
The coding code book of PCI and CQI information combined coding basic sequence needs redesign, can with 11 columns of table 1 according in remove 2 row (can be Mi, 0, Mi, 1, Mi, 2, Mi, 3, Mi, 4, Mi, 5, Mi, 6, Mi, 7, Mi, 8, Mi, 9, Mi, any 2 row in 10), press Mi again, 0, Mi, 1, Mi, 2, Mi, 3, Mi, 4, Mi, 5, Mi, 6, Mi, 7, Mi, 8, Mi, 9 order is reassembled into the code book of 9 row, such as, remove the 5th Mi that is listed as, the Mi of the 4 and the 11st row, 10, the then new PCI/CQI code book that constitutes is expressed as table 2, and is as shown in table 2 below, is embodiment of the invention PCI and CQI information combined coding basic sequence table.
| 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 |
| 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 8 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 |
| 9 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 |
| 10 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 |
| 11 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 |
| 12 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 |
| 13 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 |
| 14 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 0 |
| 15 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 1 |
| 16 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 |
| 17 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 |
| 18 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 1 |
| 19 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Table 2 embodiment of the invention PCI and CQI information combined coding basic sequence table
Output information position behind the coding can be expressed as:
Wherein, i=0 ..., 19.M
I, nThe encoder matrix of table 2 in the expression utilizes 9 of this table to be listed as M
I, nWith a
nCarry out addition after multiplying each other, behind the mod2 (promptly remove 2 get surplus), just become 20 bit b behind the coding then
i, remainder is gone up 0 in the table 1 or 1 just.Above-mentioned this expression formula is a specific embodiment at table 2.M in the table 2
I, nExpression formula rearranged order, so can be simplified like this through extracting.M in the middle of actual
I, nBe the combination in any that arbitrarily extracts 9 row from 11 row of table 1, putting in order also can completely random.The expression formula here is just at the M after the process ordering
I, nA specific embodiment, the present invention is not as limit.
Said method embodiment of the present invention has reduced DC-HSDPA+TxAA and has deposited when client is carried out network insertion in the scene technology to the minimum feedback cycle that reports PCI information of network terminal, saves time and Internet resources.
Embodiment three:
Corresponding to said method embodiment, as shown in Figure 2, adopt the high speed downlink packet of two ZAP to insert DC-HSDPA and TxAA Transmit Adaptive Antennas array TxAA and deposit the precoding indication PCI code device structural representation of scene for the embodiment of the invention is a kind of, said apparatus 20 comprises:
Acquiring unit 201 is used to obtain the PCI information of two carrier waves of DC-HSDPA;
Coding unit 202 is used for the PCI information of two carrier waves of above-mentioned DC-HSDPA is carried out combined coding, is carried on the subframe of same HS-DPCCH;
Transmitting element 203 is used for the subframe of above-mentioned HS-DPCCH of the PCI information of two carrier waves of the above-mentioned DC-HSDPA of carrying is sent to network terminal.
As shown in Figure 3, for the embodiment of the invention another kind of DC-HSDPA and TxAA and deposit the PCI code device structural representation of scene, said apparatus 30 not only comprises: acquiring unit 301 is used to obtain the PCI information of two carrier waves of DC-HSDPA; Coding unit 302 is used for the PCI information of two carrier waves of above-mentioned DC-HSDPA is carried out combined coding, is carried on the subframe of same HS-DPCCH; Transmitting element 303 is used for the subframe of above-mentioned HS-DPCCH of the PCI information of two carrier waves of the above-mentioned DC-HSDPA of carrying is sent to network terminal.
Said apparatus 30 can also comprise:
Optionally, above-mentioned coding unit 202 or coding unit 302 are further used for the PCI information of two carrier waves of above-mentioned DC-HSDPA is carried out combined coding, can be carried on the PCI and the channel quality indicator (CQI) part of the subframe of same HS-DPCCH.Optionally, above-mentioned coding unit 202 or coding unit 302 can be further used for PCI information-bearing with two carrier waves of above-mentioned DC-HSDPA before the channel quality indicator (CQI) of the main carrier at the subframe place of above-mentioned HS-DPCCH or the two ends of CQI.Said apparatus 20 or install 30 and comprise mobile communication terminal etc., the present invention is not as limit.
Said apparatus embodiment of the present invention is because employing is carried out combined coding with the PCI information of two carrier waves of above-mentioned DC-HSDPA, be carried on the technological means on the same subframe, so reached when reducing client and carrying out network insertion to the minimum feedback cycle that reports PCI information of network terminal, saved time and the technique effect of Internet resources.After adopting said apparatus scheme of the present invention, each period of sub-frame of mobile communication terminal can report the PCI information of two carrier waves of DC-HSDPA simultaneously to network terminal, need not alternately report.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct related hardware to finish by program, described program can be stored in the computer read/write memory medium, this program is when carrying out, comprise above-mentioned all or part of step, described storage medium, as: ROM/RAM, disk, CD etc.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. precoding indication PCI coding method of adopting the high speed downlink packet access DC-HSDPA and the TxAA Transmit Adaptive Antennas array TxAA of two ZAP and depositing scene is characterized in that described method comprises:
Obtain the PCI information of two carrier waves of described DC-HSDPA;
The PCI information of two carrier waves of described DC-HSDPA is carried out combined coding, be carried on the subframe of same High-Speed Dedicated Physical Control Channel HS-DPCCH;
The subframe of described HS-DPCCH of the PCI information of two carrier waves of the described DC-HSDPA of carrying is sent to network terminal.
2. method according to claim 1 is characterized in that, obtains before the PCI information of two carrier waves of described DC-HSDPA, also comprises:
Receive the high-speed shared control channel command HS-SCCH order that network terminal sends, and trigger the combined coding of described PCI according to described HS-SCCH order.
3. method according to claim 1 is characterized in that, the PCI information of described two carrier waves with described DC-HSDPA is carried out combined coding, is carried on the subframe of same HS-DPCCH to comprise:
The PCI information of two carrier waves of described DC-HSDPA is carried out combined coding, be carried on the PCI and the channel quality indicator (CQI) part of the subframe of same HS-DPCCH.
4. as method as described in the claim 3, it is characterized in that the PCI information of described two carrier waves with described DC-HSDPA is carried out combined coding, the PCI and the channel quality indicator (CQI) that are carried on the subframe of same HS-DPCCH partly comprise:
With the PCI information-bearing of two carrier waves of described DC-HSDPA before the channel quality indicator (CQI) of the main carrier at the subframe place of described HS-DPCCH or the two ends of described CQI.
5. as method as described in the claim 4, it is characterized in that the PCI information-bearing of described two carrier waves with described DC-HSDPA comprises at the two ends of the channel quality indicator (CQI) of the main carrier at the subframe place of described HS-DPCCH:
(a
0a
1a
2a
3a
4a
5a
6a
7a
8)=(pci
0Pci
1Cqi
0Cqi
1Cqi
2Cqi
3Cqi
4Pci '
0Pci '
1) or
The PCI information-bearing of described two carrier waves with described DC-HSDPA comprised before the channel quality indicator (CQI) of the main carrier at the subframe place of described HS-DPCCH:
(a
0?a
1?a
2?a
3?a
4?a
5?a
6?a
7?a
8)＝(pci
0?pci
1?pci′
0?pci′
1?cqi
0?cqi
1?cqi
2?cqi
3?cqi
4)
Wherein:
Described a
0a
1a
2a
3a
4a
5a
6a
7a
8The preceding information of coding of representing described PCI and described CQI part; Described pci
0, pci
1With described pci '
0, pci '
1Represent the precoding factor of main carrier and the precoding factor of auxilliary carrier wave respectively, be information behind the coding of described PCI part; Described cqi
0Cqi
1Cqi
2Cqi
3Cqi
4Be information behind the coding of described CQI part.
6. a DC-HSDPA and TxAA and deposit the PCI code device of scene is characterized in that described device comprises:
Acquiring unit is used to obtain the PCI information of two carrier waves of described DC-HSDPA;
Coding unit is used for the PCI information of two carrier waves of described DC-HSDPA is carried out combined coding, is carried on the subframe of same HS-DPCCH;
Transmitting element is used for the subframe of described HS-DPCCH of the PCI information of two carrier waves of the described DC-HSDPA of carrying is sent to network terminal.
7. as device as described in the claim 6, it is characterized in that described device also comprises:
The coding trigger element is used to receive the HS-SCCH order that network terminal sends, and triggers the combined coding of described PCI according to described HS-SCCH order.
8. as device as described in the claim 6, it is characterized in that described coding unit is further used for the PCI information of two carrier waves of described DC-HSDPA is carried out combined coding, is carried on the PCI and the channel quality indicator (CQI) part of the subframe of same HS-DPCCH.
9. as device as described in the claim 7, it is characterized in that, described coding unit is further used for PCI information-bearing with two carrier waves of described DC-HSDPA before the channel quality indicator (CQI) of the main carrier at the subframe place of described HS-DPCCH or the two ends of described CQI.
10. as device as described in each among the claim 6-8, it is characterized in that described device comprises mobile communication terminal.
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| US9197305B2 (en) | 2011-11-01 | 2015-11-24 | Huawei Technologies Co., Ltd. | Precoding control indication feedback method, user equipment, and base station |
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| US9350512B2 (en) | 2011-09-30 | 2016-05-24 | Zte Corporation | Method for activating multiple streams transmission UE to transmit HS-DPCCH and UE thereof |
| CN103051428A (en) * | 2011-10-13 | 2013-04-17 | 中兴通讯股份有限公司 | PCI (precoding control indication) feedback cell determination method and system for terminal only configured with dedicated channel |
| CN103051428B (en) * | 2011-10-13 | 2018-08-24 | 中兴通讯股份有限公司 | The only PCI feedback cell determination methods and system of the terminal of configuration dedicated channel |
| US9197305B2 (en) | 2011-11-01 | 2015-11-24 | Huawei Technologies Co., Ltd. | Precoding control indication feedback method, user equipment, and base station |
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| CN101931508B (en) | 2013-06-26 |
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