CN1783762A - Data processing method, radio communication transmitter and radio communication receiver - Google Patents

Data processing method, radio communication transmitter and radio communication receiver Download PDF

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CN1783762A
CN1783762A CNA2004100955447A CN200410095544A CN1783762A CN 1783762 A CN1783762 A CN 1783762A CN A2004100955447 A CNA2004100955447 A CN A2004100955447A CN 200410095544 A CN200410095544 A CN 200410095544A CN 1783762 A CN1783762 A CN 1783762A
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data
radio communication
scrambler
spectrum
scrambling
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CN1783762B (en
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戴晓明
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STMicroelectronics Beijing R&D Co Ltd
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STMicroelectronics Beijing R&D Co Ltd
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Abstract

This invention discloses a data process method for TD-SCDMA radio transmission system including the following steps: reading-in user data, weighting the data according to the TD-SCDMA standard, spreading the spectrum to the weighted data by the OVSF code and multiplying the codes after spectrum spread with a harass code one by one, in which, the harass code is one of the 128 harass codes based on the invention, a radio communication transmission device and a receiving device are also disclosed here.

Description

Data processing method, radio communication transmitter and radio communication receiver
Technical field
The present invention relates to the third generation mobile system, more particularly, relate to data processing method that is used for TD-SCDMA (TD SDMA) Radio Transmission Technology and radio communication transmitter and the radio communication receiver that uses this data processing method.
Background technology
Mobile communication is one of field the most active and with the fastest developing speed in the current communications field, and also being will have one of science and technology field of significant impact in 21 century to the mankind's life and social development.3-G (Generation Three mobile communication system), promptly IMT-2000 is a wireless telecommunication system of future generation, propose in 1999 by International Telecommunication Union, its purpose is the unified frequency of whole world use, unified standard, realizes global roaming, and provides the multiple business service to the user.
3-G (Generation Three mobile communication system) has mainly comprised three big standards systems, by Chinese electricity scientific and technical research institute and the common TD-SCDMA that proposes of Siemens, the WCDMA technology (is representative with the Nokia of Finland, the Ericsson of Sweden, the Motorola of the U.S. and Alcatel of France) of the common proposition in Europe and Japan and the CDMA2000 technology (is representative with QualCom company) that the U.S. proposes.
The TD-SCDMA system is TDMA (Time Divison Mutlple Access, time distributes) and the flexible combination of two kinds of basic transmission modes of CDMA (distribution of Code Divison Mutlple Access sign indicating number), be TDD (time-division) system unique in the third generation communication system.The TD-SCDMA wireless transmitting system has obtained extensive approval in the 3G (Third Generation) Moblie field.The insider has given great attention to the TD-SCDMA mode.Its main cause is that TD-SCDMA has following technical advantage:
(1) availability of frequency spectrum height, TDD (TD-SCDMA) compares with frequency division FDD (WCDMA, CDMA2000 are representative), does not need paired frequency, thereby effectively utilizes frequency resource; Have the higher availability of frequency spectrum, it can make full use of scrappy frequency range, can support densely inhabited district's business better, effectively alleviates the problem of operator's frequency spectrum resource anxiety;
(2) in 3G (Third Generation) Moblie, data service will be in the highest flight, especially asymmetric IP operation.The TD-SCDMA mode is particularly suitable for operator and carries out data service, because TD-SCDMA can dynamically adjust the up-downgoing message transmission rate, can realize the business of 1.2Kbit/s to 2Mbit/s flexibly, be particularly suitable for handling the asymmetric IP data service of up-downgoing;
(3) the TD-SCDMA uplink and downlink works is in same frequency, the radio wave propagation characteristic of symmetry makes it to be convenient to utilize new technologies such as smart antenna, the TD-SCDMA wireless transmitting system is minimized transmitting power, the equipment cost of TD-SCDMA wireless transmitting system is low, thereby reduce product cost greatly, its cost is than the low 20%-50% of cost of FDD system;
(4) power system capacity is big, owing to adopted advanced technology such as joint-detection, it disturbs greatly and descends, and power system capacity significantly improves;
(5) the level and smooth 3G that is upgraded to, TD-SCDMA can realize being easy to GSM/GPRS/TDSCDMA upgrading route.The business of 3G can add subsystem on existing stable GSM network, compare with getting its standard, and the cost of whole migration can reduce significantly.
Below spectrum-spreading and scrambling process is simply introduced.
The data of transmission are split on the different transmission channels, and carry by physical channel, and all transmission channels all have the respective physical channel to come to shine upon mutually with it.Different physical channels uses different OVSF channel codes to distinguish physical channel.
Under tdd mode, a transmitter can be launched a plurality of physical channels on synchronization and same frequency.
In the TD-SCDMA standard, after the physical channel mapping, the data on the channel will be carried out spectrum-spreading and scrambling process.
Spectrum-spreading and scrambling comprises to be used the channel code spread spectrum and uses two processing of scrambler scrambling.Channel code is OVSF (Orthogonal Variable Spreading Factor OVSF) sign indicating number, can allow to mix different spreading factors and keep orthogonality in same time slot channel.Spread processing just is to use the Serial No. and the channel data that are higher than data bit rates to multiply each other, and has expanded the bandwidth of signal, has converted the data flow of bit rate to spreading rate data flow.
The scrambling processing is similar to the channel code spread processing, also is to multiply each other with the data behind a Serial No. and the spread spectrum.Different with spread processing is, the burst after the Serial No. that scrambling is used and the spread processing has identical spreading rate, and the multiplying of being done is a kind of computing of multiplying each other by chip.
In the TD-SCDMA wireless transmitting system, the address code that each mobile subscriber terminal all has own distinctive confession to discern mutually.Should be mutually orthogonal between the spectrum-spreading address code of each user terminal, each sub-district uses scrambler to distinguish mutually, and the requirement of this orthogonality all is consistent concerning any multi-address system.
User data is through being quadrature behind the spread spectrum, this orthogonality through with still keep after an identical scrambler multiplies each other, this is obviously easily to see because the same factor is put forward by public, the data of quadrature are quadrature still.
The spectrum-spreading and scrambling operating process has become wireless communication technical field personnel's known technology, and the standard of scrambler formulates, and can find its substance in multiple document.As, annex one among 3GPPTS 25.223 V5.2.0 (2002-12), this document also discloses the use of scrambler in standard simultaneously.The visible document of more detailed technical description, 3GPP TR 25.945V5.0.0 (2002-03).
The spreading code of TD-SCDMA is a short code, and spreading ratio is 16, and spectrum-spreading and scrambling is the core process of TD-SCDMA wireless transmission process, and the characteristic of scrambler is very big for the performance impact of TD-SCDMA wireless transmitting system.In the TD-SCDMA wireless transmitting system, different scramblers is used in each sub-district, and in the TD-SCDMA wireless transmitting system, the receiving feature of user terminal is inconsistent in each sub-district of using different scrambling codes at present.
Fig. 1 shows and uses existing standard TD-SCDMA[1] signal to noise ratio and error ratio characteristic curve in 3GPP TS 25.223 scramblers 52 and 109 two sub-districts.Wherein, this characteristic curve is that the transfer velocity at mobile subscriber terminal is to obtain under the situation in 120km/ hour.
In Fig. 1, abscissa is represented the ratio (signal to noise ratio) between the signal and noise in the sub-district, ordinate represent the mobile subscriber terminal receiver the error rate (Bit Error Rate, BER).What curve 1 was represented is the situation that adopts the sub-district of existing standard TD-SCDMA scrambler 52, and curve 2 expressions is the situation that adopts the sub-district of existing standard TD-SCDMA scrambler 109.
As can be seen from Figure 1, in two sub-districts of adopting existing standard TD-SCDMA scrambler 52 and 109, be 10 at BER -4The time, the difference of signal to noise ratio is about 1dB, and this is a very big difference to wireless communication system.
Under the situation of using existing standard TD-SCDMA scrambler, when the user terminal fast moving, might transfer to the relatively poor sub-district of receiving feature fast from the receiving feature better cell, be easy to make that the receiver performance of mobile subscriber terminal significantly descends, even make communication disruption.This illustrates that the scrambler of existing standard TD-SCDMA needs further to revise, so that improve the communication quality of mobile communication terminal.
Summary of the invention
Purpose of the present invention solve exactly when user terminal when a sub-district moves quickly into another sub-district, the problem that its receiver performance descends, thus make that the TD-SCDMA wireless transmitting system can steady operation.
Another object of the present invention provides a kind of data processing method of the TD-SCDMA of being used for wireless transmitting system, with the radio communication transmitter and the radio communication receiver that use this data processing method, it can reduce the receiver error rate of mobile subscriber terminal.
For this reason, according to an aspect of the present invention, provide a kind of data processing method of the TD-SCDMA of being used for wireless transmitting system, comprise the steps: to read in the step of reading in of user data; The weighting step that the data of being read in is weighted according to the TD-SCDMA standard; Data after utilizing ovsf code to weighting are carried out the spread spectrum step of spread spectrum; The scrambler of chip behind the spread spectrum and modulation is pursued the scrambling step that chip multiplies each other, and wherein, described scrambler is one of following 128 scramblers:
Code0 -1 -1 1 -1 1 1 -1 1 1 1 -1 1 1 1 -1 1
Code1 -1 1 1 1 -1 1 1 1 1 -1 -1 -1 -1 1 1 1
Code2 1 -1 -1 -1 -1 1 1 1 -1 1 1 1 -1 1 1 1
Code3 1 1 -1 1 1 1 -1 1 -1 -1 1 -1 1 1 -1 1
Code4 -1 -1 -1 1 -1 -1 -1 1 1 1 1 -1 -1 -1 -1 1
Code5 -1 1 -1 -1 1 -1 1 1 1 -1 1 1 1 -1 1 1
Code6 1 -1 1 1 1 -1 1 1 -1 1 -1 -1 1 -1 1 1
Code7 1 1 1 -1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 1
Code8 -1 -1 1 -1 -1 -1 1 -1 -1 -1 1 -1 1 1 -1 1
Code9 -1 1 1 1 1 -1 -1 -1 -1 1 1 1 -1 1 1 1
Code10 1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 -1 1 1 1
Code11 1 1 -1 1 -1 -1 1 -1 1 1 -1 1 1 1 -1 1
Code12 -1 -1 -1 1 1 1 1 -1 -1 -1 -1 1 -1 -1 -1 1
Code13 -1 1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 1 -1 1 1
Code14 1 -1 1 1 -1 1 -1 -1 1 -1 1 1 1 -1 1 1
Code15 1 1 1 -1 1 1 1 -1 1 1 1 -1 -1 -1 -1 1
Code16 -1 -1 1 -1 -1 -1 -1 1 -1 -1 1 -1 1 1 1 -1
Code17 -1 -1 1 -1 1 1 1 -1 -1 -1 1 -1 -1 -1 -1 1
Code18 -1 1 1 1 -1 1 -1 -1 -1 1 1 1 1 -1 1 1
Code19 -1 1 1 1 1 -1 1 1 -1 1 1 1 -1 1 -1 -1
Code20 1 -1 -1 -1 -1 1 -1 -1 1 -1 -1 -1 1 -1 1 1
Code21 1 -1 -1 -1 1 -1 1 1 1 -1 -1 -1 -1 1 -1 -1
Code22 1 1 -1 1 -1 -1 -1 1 1 1 -1 1 1 1 1 -1
Code23 1 1 -1 1 1 1 1 -1 1 1 -1 1 -1 -1 -1 1
Code24 -1 -1 1 -1 -1 -1 -1 1 1 1 -1 1 -1 -1 -1 1
Code25 -1 -1 1 -1 1 1 1 -1 1 1 -1 1 1 1 1 -1
Code26 -1 1 1 1 -1 1 -1 -1 1 -1 -1 -1 -1 1 -1 -1
Code27 -1 1 1 1 1 -1 1 1 1 -1 -1 -1 1 -1 1 1
Code28 1 -1 -1 -1 -1 1 -1 -1 -1 1 1 1 -1 1 -1 -1
Code29 1 -1 -1 -1 1 -1 1 1 -1 1 1 1 1 -1 1 1
Code30 1 1 -1 1 -1 -1 -1 1 -1 -1 1 -1 -1 -1 -1 1
Code31 1 1 -1 1 1 1 1 -1 -1 -1 1 -1 1 1 1 -1
Code32 -1 -1 -1 1 -1 -1 1 -1 -1 -1 -1 1 1 1 -1 1
Code33 -1 -1 -1 1 1 1 -1 1 -1 -1 -1 1 -1 -1 1 -1
Code34 -1 1 -1 -1 -1 1 1 1 -1 1 -1 -1 1 -1 -1 -1
Code35 -1 1 -1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 1 1 1
Code36 1 -1 1 1 -1 1 1 1 1 -1 1 1 1 -1 -1 -1
Code37 1 -1 1 1 1 -1 -1 -1 1 -1 1 1 -1 1 1 1
Code38 1 1 1 -1 -1 -1 1 -1 1 1 1 -1 1 1 -1 1
Code39 1 1 1 -1 1 1 -1 1 1 1 1 -1 -1 -1 1 -1
Code40 -1 -1 -1 1 -1 -1 1 -1 1 1 1 -1 -1 -1 1 -1
Code41 -1 -1 -1 1 1 1 -1 1 1 1 1 -1 1 1 -1 1
Code42 -1 1 -1 -1 -1 1 1 1 1 -1 1 1 -1 1 1 1
Code43 -1 1 -1 -1 1 -1 -1 -1 1 -1 1 1 1 -1 -1 -1
Code44 1 -1 1 1 -1 1 1 1 -1 1 -1 -1 -1 1 1 1
Code45 1 -1 1 1 1 -1 -1 -1 -1 1 -1 -1 1 -1 -1 -1
Code46 1 1 1 -1 -1 -1 1 -1 -1 -1 -1 1 -1 -1 1 -1
Code47 1 1 1 -1 1 1 -1 1 -1 -1 -1 1 1 1 -1 1
Code48 -1 -1 -1 1 -1 -1 1 -1 1 1 -1 1 -1 -1 -1 1
Code49 1 -1 1 1 1 -1 -1 -1 -1 1 1 1 1 -1 1 1
Code50 -1 1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 1 -1 1 1
Code51 1 1 1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 -1 1
Code52 -1 1 -1 -1 -1 1 1 1 -1 1 1 1 1 -1 1 1
Code53 1 1 1 -1 1 1 -1 1 1 1 -1 1 -1 -1 -1 1
Code54 -1 -1 -1 1 1 1 -1 1 -1 -1 1 -1 -1 -1 -1 1
Code55 1 -1 1 1 -1 1 1 1 1 -1 -1 -1 1 -1 1 1
Code56 -1 1 1 1 1 -1 1 1 -1 1 -1 -1 -1 1 1 1
Code57 1 1 -1 1 -1 -1 -1 1 1 1 1 -1 1 1 -1 1
Code58 -1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 1 1 1 -1 1
Code59 1 -1 -1 -1 1 -1 1 1 1 -1 1 1 -1 1 1 1
Code60 -1 -1 1 -1 1 1 1 -1 1 1 1 -1 1 1 -1 1
Code61 1 -1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 1 1 1
Code62 -1 1 1 1 -1 1 -1 -1 1 -1 1 1 -1 1 1 1
Code63 1 1 -1 1 1 1 1 -1 -1 -1 -1 1 1 1 -1 1
Code64 -1 -1 1 -1 1 1 -1 1 -1 -1 -1 1 -1 -1 -1 1
Code65 1 -1 -1 -1 -1 1 1 1 1 -1 1 1 1 -1 1 1
Code66 -1 -1 1 -1 -1 -1 1 -1 1 1 1 -1 -1 -1 -1 1
Code67 1 -1 -1 -1 1 -1 -1 -1 -1 1 -1 -1 1 -1 1 1
Code68 -1 -1 -1 1 -1 1 1 1 -1 1 -1 -1 -1 -1 1 -1
Code69 -1 1 -1 -1 -1 -1 1 -1 -1 -1 -1 1 -1 1 1 1
Code70 1 -1 1 1 1 1 -1 1 1 1 1 -1 1 -1 -1 -1
Code71 1 1 1 -1 1 -1 -1 -1 1 -1 1 1 1 1 -1 1
Code72 -1 1 1 1 1 -1 -1 -1 1 -1 1 1 1 -1 1 1
Code73 1 1 -1 1 -1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 1
Code74 -1 1 -1 -1 -1 1 -1 -1 1 -1 -1 -1 -1 1 1 1
Code75 1 1 1 -1 1 1 1 -1 -1 -1 1 -1 1 1 -1 1
Code76 -1 1 1 1 -1 1 1 1 -1 1 -1 -1 1 -1 1 1
Code77 1 1 -1 1 1 1 -1 1 1 1 1 -1 -1 -1 -1 1
Code78 -1 1 -1 -1 1 -1 1 1 -1 1 1 1 -1 1 1 1
Code79 1 1 1 -1 -1 -1 -1 1 1 1 -1 1 1 1 -1 1
Code80 -1 -1 -1 1 -1 -1 -1 1 -1 -1 1 -1 1 1 -1 1
Code81 1 -1 1 1 1 -1 1 1 1 -1 -1 -1 -1 1 1 1
Code82 -1 -1 -1 1 -1 1 -1 -1 -1 1 -1 -1 1 1 1 -1
Code83 -1 -1 -1 1 -1 1 -1 -1 1 -1 1 1 -1 -1 -1 1
Code84 -1 -1 -1 1 1 -1 1 1 -1 1 -1 -1 -1 -1 -1 1
Code85 -1 -1 -1 1 1 -1 1 1 1 -1 1 1 1 1 1 -1
Code86 -1 1 -1 -1 -1 -1 -1 1 -1 -1 -1 1 1 -1 1 1
Code87 -1 1 -1 -1 -1 -1 -1 1 1 1 1 -1 -1 1 -1 -1
Code88 -1 1 -1 -1 1 1 1 -1 -1 -1 -1 1 -1 1 -1 -1
Code89 -1 1 -1 -1 1 1 1 -1 1 1 1 -1 1 -1 1 1
Code90 1 -1 1 1 -1 -1 -1 1 -1 -1 -1 1 -1 1 -1 -1
Code91 1 -1 1 1 -1 -1 -1 1 1 1 1 -1 1 -1 1 1
Code92 1 -1 1 1 1 1 1 -1 -1 -1 -1 1 1 -1 1 1
Code93 1 -1 1 1 1 1 1 -1 1 1 1 -1 -1 1 -1 -1
Code94 1 1 1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 -1 -1 1
Code95 1 1 1 -1 -1 1 -1 -1 1 -1 1 1 1 1 1 -1
Code96 1 1 1 -1 1 -1 1 1 -1 1 -1 -1 1 1 1 -1
Code97 1 1 1 -1 1 -1 1 1 1 -1 1 1 -1 -1 -1 1
Code98 -1 -1 -1 1 1 1 1 -1 1 1 -1 1 1 1 -1 1
Code99 1 -1 1 1 -1 1 -1 -1 -1 1 1 1 -1 1 1 1
Code100 -1 -1 -1 1 -1 1 1 1 1 -1 1 1 1 1 -1 1
Code101 -1 1 -1 -1 -1 -1 1 -1 1 1 1 -1 1 -1 -1 -1
Code102 1 -1 1 1 1 1 -1 1 -1 -1 -1 1 -1 1 1 1
Code103 1 1 1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 -1 1 -1
Code104 -1 -1 1 -1 -1 1 1 1 -1 1 1 1 1 1 -1 1
Code105 -1 -1 1 -1 -1 1 1 1 1 -1 -1 -1 -1 -1 1 -1
Code106 -1 -1 1 -1 1 -1 -1 -1 -1 1 1 1 -1 -1 1 -1
Code107 -1 -1 1 -1 1 -1 -1 -1 1 -1 -1 -1 1 1 -1 1
Code108 -1 1 1 1 -1 -1 1 -1 -1 -1 1 -1 1 -1 -1 -1
Code109 -1 1 1 1 -1 -1 1 -1 1 1 -1 1 -1 1 1 1
Code110 -1 1 1 1 1 1 -1 1 -1 -1 1 -1 -1 1 1 1
Code111 -1 1 1 1 1 1 -1 1 1 1 -1 1 1 -1 -1 -1
Code112 1 -1 -1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 1 1 1
Code113 1 -1 -1 -1 -1 -1 1 -1 1 1 -1 1 1 -1 -1 -1
Code114 1 -1 -1 -1 1 1 -1 1 -1 -1 1 -1 1 -1 -1 -1
Code115 1 -1 -1 -1 1 1 -1 1 1 1 -1 1 -1 1 1 1
Code116 1 1 -1 1 -1 1 1 1 -1 1 1 1 -1 -1 1 -1
Code117 1 1 -1 1 -1 1 1 1 1 -1 -1 -1 1 1 -1 1
Code118 1 1 -1 1 1 -1 -1 -1 -1 1 1 1 1 1 -1 1
Code119 1 1 -1 1 1 -1 -1 -1 1 -1 -1 -1 -1 -1 1 -1
Code120 -1 -1 1 -1 1 1 1 -1 -1 1 1 1 1 -1 1 1
Code121 -1 1 1 1 1 -1 1 1 -1 -1 1 -1 1 1 1 -1
Code122 1 -1 -1 -1 -1 1 -1 -1 1 1 -1 1 -1 -1 -1 1
Code123 1 1 -1 1 -1 -1 -1 1 1 -1 -1 -1 -1 1 -1 -1
Code124 -1 -1 1 -1 -1 -1 -1 1 -1 1 1 1 -1 1 -1 -1
Code125 -1 1 1 1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 -1 1
Code126 1 -1 -1 -1 1 -1 1 1 1 1 -1 1 1 1 1 -1
Code127 1 1 -1 1 1 1 1 -1 1 -1 -1 -1 1 -1 1 1
According to another aspect of the present invention, also provide a kind of radio communication transmitter, comprising: data source; Encoder is used for the Frame from described data source is encoded; Interleaver is used for the coded data of described encoder output is carried out interleaving treatment; The one OVSF spectrum-spreading code generator is used to produce the OVSF spreading code; First multiplier is used for the described OVSF spreading code from data after the interleaving treatment of described interleaver and the generation of a described OVSF spectrum-spreading code generator is multiplied each other, and carries out spread processing; First scrambling generator is used to produce scrambler; Second multiplier is used for the spread spectrum data and the described scrambler of described first multiplier output are multiplied each other, thereby obtains the spectrum-spreading and scrambling data; Upconverter is used for described spectrum-spreading and scrambling data are up-converted to radiofrequency signal; Power amplifier is used to amplify the radiofrequency signal from described upconverter, and wherein, the described scrambler that described first scrambling generator is produced is one of above-mentioned 128 scramblers.
According to a further aspect of the invention, also provide a kind of radio communication receiver, comprising: receiver is used to receive the spectrum signal that radio communication transmitter sends; Low-converter is used for the signal from described receiver is carried out down-conversion; The 2nd OVSF spectrum-spreading code generator is used to produce the OVSF spreading code; The 3rd multiplier, be used for described OVSF spreading code with multiply each other from the demodulating data of described low-converter, carry out despreading and handle; Second scrambling generator is used to produce scrambler; The 4th multiplier is used for data after the despreading and described scrambler are multiplied each other, and carries out scramble process; Decoder is used for the data after despreading and the scramble process are carried out decoding processing; Data collector is used to receive the dateout of described decoder, and wherein, the described scrambler that described second scrambling generator produces is one of above-mentioned 128 scramblers, and consistent with transmitting terminal.
Because at the data processing method of the TD-SCDMA of being used for wireless transmitting system according to the present invention and radio communication transmitter and the radio communication receiver that uses this data processing method, the scrambler that uses is selected from the scrambler collection of being made up of above-mentioned 128 scramblers, making its scrambler error rate compare greatly with the situation of the scrambler that uses existing standard reduces, significantly improve the receiving feature of the receiver of user terminal, thereby improved the stability of TD-SCDMA wireless transmitting system.
In the detailed description for the preferred embodiment of the present invention in conjunction with the accompanying drawings, these and other purposes of the present invention, feature and advantage will be clearer.
Description of drawings
Fig. 1 shows signal to noise ratio and the error ratio characteristic curve in two sub-districts of using existing standard TD-SCDMA 3GPP TS 25.223 scramblers 52 and 109;
Shown in Fig. 2 is the situation of change of signal to noise ratio between the sub-district of the different scrambler of use of utilizing data processing method according to the present invention and the TD-SCDMA wireless transmitting system of the data processing method of prior art;
Fig. 3 shows the schematic diagram of spread spectrum and despreading;
Fig. 4 shows the code tree that is used to generate ovsf code;
Fig. 5 shows the flow chart of the data processing method that is used for the TD-SCDMA wireless transmitting system of first embodiment of the invention;
Fig. 6 has schematically shown the block diagram of the radio communication transmitter that is used for the TD-SCDMA wireless transmitting system second embodiment of the invention;
Fig. 7 has schematically shown the block diagram according to the radio communication receiver that is used for the TD-SCDMA wireless transmitting system of the 3rd execution mode of the present invention.
Embodiment
Below, will be described in detail with reference to the attached drawings preferred implementation of the present invention.
TD-SCDMA is a kind of wireless communication technology of direct sequence spread spectrum code division multiple access.The present invention uses specific scrambler, can significantly improve the receiving feature of the receiver of user terminal.
The basic principle of spread spectrum is to expand to one more in the broadband by the digital baseband signal that the signal that injects a higher frequency will need to transmit, and the energy that promptly transmits is extended in the wideer frequency band it is seemed as noise.And the subscriber signal that adopts the inverse process reduction of spread spectrum to need at receiving terminal.
Fig. 3 shows the schematic diagram of spread spectrum and despreading.As shown in Figure 3, user data becomes a signal consistent with the spread-spectrum signal frequency by multiplying each other with spreading code.And mobile subscriber terminal uses the separate extended code identical with spreading code, multiplies each other and integration with the data of being accepted, and just can obtain the right user data.If the mobile subscriber uses the wrong extended code of separating, multiply each other and integration with the data of accepting, just can not obtain the right user data.
It is OVSF (the Orthogonal VariableSpreading Factor) sign indicating number of Qk that the spread spectrum of TD-SCDMA adopts spreading ratio, Qk can from 1,2,4,8, select among the 16}.The generation of Qk can be represented by the code tree of generation ovsf code shown in Figure 4.Each level of this code tree has all defined a spreading factor Q.The spreading factor of TD-SCDMA wireless transmitting system maximum is Q Max=16.Because above-mentioned code tree is a known technology, is not described in detail in this.
Scrambling is to use the specific scrambler v=(v in sub-district 1, v 2..., v 16) finish, this scrambler needs through ovennodulation, and its modulated process is
v i ‾ = ( j ) i v i v i∈{-1，1}，1≤i≤16。
Fig. 5 shows the flow chart of the data processing method that is used for the TD-SCDMA wireless transmitting system of first embodiment of the invention, wherein Q Max=16 is the maximum spreading factor that uses in the time slot, also is the length of scrambler sequence simultaneously.
As shown in Figure 5, the data processing method of first embodiment of the invention comprises the steps:
Read in data, for example user's bursty data piece (step S10).Then,, the data of being read in are weighted according to the TD-SCDMA standard at step S20, weighting be for the peak-to-average force ratio that makes data as far as possible little.At step S30, the data after utilizing existing ovsf code to weighting are carried out spread spectrum, are that the spreading factor of Qk multiplies each other with spreading ratio promptly.Then, at step S40, chip behind the spread spectrum and scrambler are multiplied each other by chip.At last, at step S50, the data after spread spectrum and the scrambling processing are sent through frequency converter.
According to the present invention, the scrambler that uses in step S40 is one of 128 scramblers as shown in table 1:
Table 1
Code0 -1 -1 1 -1 1 1 -1 1 1 1 -1 1 1 1 -1 1
Code1 -1 1 1 1 -1 1 1 1 1 -1 -1 -1 -1 1 1 1
Code2 1 -1 -1 -1 -1 1 1 1 -1 1 1 1 -1 1 1 1
Code3 1 1 -1 1 1 1 -1 1 -1 -1 1 -1 1 1 -1 1
Code4 -1 -1 -1 1 -1 -1 -1 1 1 1 1 -1 -1 -1 -1 1
Code5 -1 1 -1 -1 1 -1 1 1 1 -1 1 1 1 -1 1 1
Code6 1 -1 1 1 1 -1 1 1 -1 1 -1 -1 1 -1 1 1
Code7 1 1 1 -1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 1
Code8 -1 -1 1 -1 -1 -1 1 -1 -1 -1 1 -1 1 1 -1 1
Code9 -1 1 1 1 1 -1 -1 -1 -1 1 1 1 -1 1 1 1
Code10 1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 -1 1 1 1
Code11 1 1 -1 1 -1 -1 1 -1 1 1 -1 1 1 1 -1 1
Code12 -1 -1 -1 1 1 1 1 -1 -1 -1 -1 1 -1 -1 -1 1
Code13 -1 1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 1 -1 1 1
Code14 1 -1 1 1 -1 1 -1 -1 1 -1 1 1 1 -1 1 1
Code15 1 1 1 -1 1 1 1 -1 1 1 1 -1 -1 -1 -1 1
Code16 -1 -1 1 -1 -1 -1 -1 1 -1 -1 1 -1 1 1 1?-1
Code17 -1 -1 1 -1 1 1 1 -1 -1 -1 1 -1 -1 -1 -1 1
Code18 -1 1 1 1 -1 1 -1 -1 -1 1 1 1 1 -1 1 1
Code19 -1 1 1 1 1 -1 1 1 -1 1 1 1 -1 1 -1?-1
Code20 1 -1 -1 -1 -1 1 -1 -1 1 -1 -1 -1 1 -1 1 1
Code21 1 -1 -1 -1 1 -1 1 1 1 -1 -1 -1 -1 1 -1?-1
Code22 1 1 -1 1 -1 -1 -1 1 1 1 -1 1 1 1 1?-1
Code23 1 1 -1 1 1 1 1 -1 1 1 -1 1 -1 -1 -1 1
Code24 -1 -1 1 -1 -1 -1 -1 1 1 1 -1 1 -1 -1 -1 1
Code25 -1 -1 1 -1 1 1 1 -1 1 1 -1 1 1 1 1?-1
Code26 -1 1 1 1 -1 1 -1 -1 1 -1 -1 -1 -1 1 -1?-1
Code27 -1 1 1 1 1 -1 1 1 1 -1 -1 -1 1 -1 1 1
Code28 1 -1 -1 -1 -1 1 -1 -1 -1 1 1 1 -1 1 -1 -1
Code29 1 -1 -1 -1 1 -1 1 1 -1 1 1 1 1 -1 1 1
Code30 1 1 -1 1 -1 -1 -1 1 -1 -1 1 -1 -1 -1 -1 1
Code31 1 1 -1 1 1 1 1 -1 -1 -1 1 -1 1 1 1 -1
Code32 -1 -1 -1 1 -1 -1 1 -1 -1 -1 -1 1 1 1 -1 1
Code33 -1 -1 -1 1 1 1 -1 1 -1 -1 -1 1 -1 -1 1 -1
Code34 -1 1 -1 -1 -1 1 1 1 -1 1 -1 -1 1 -1 -1 -1
Code35 -1 1 -1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 1 1 1
Code36 1 -1 1 1 -1 1 1 1 1 -1 1 1 1 -1 -1 -1
Code37 1 -1 1 1 1 -1 -1 -1 1 -1 1 1 -1 1 1 1
Code38 1 1 1 -1 -1 -1 1 -1 1 1 1 -1 1 1 -1 1
Code39 1 1 1 -1 1 1 -1 1 1 1 1 -1 -1 -1 1 -1
Code40 -1 -1 -1 1 -1 -1 1 -1 1 1 1 -1 -1 -1 1 -1
Code41 -1 -1 -1 1 1 1 -1 1 1 1 1 -1 1 1 -1 1
Code42 -1 1 -1 -1 -1 1 1 1 1 -1 1 1 -1 1 1 1
Code43 -1 1 -1 -1 1 -1 -1 -1 1 -1 1 1 1 -1 -1 -1
Code44 1 -1 1 1 -1 1 1 1 -1 1 -1 -1 -1 1 1 1
Code45 1 -1 1 1 1 -1 -1 -1 -1 1 -1 -1 1 -1 -1 -1
Code46 1 1 1 -1 -1 -1 1 -1 -1 -1 -1 1 -1 -1 1 -1
Code47 1 1 1 -1 1 1 -1 1 -1 -1 -1 1 1 1 -1 1
Code48 -1 -1 -1 1 -1 -1 1 -1 1 1 -1 1 -1 -1 -1 1
Code49 1 -1 1 1 1 -1 -1 -1 -1 1 1 1 1 -1 1 1
Code50 -1 1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 1 -1 1 1
Code51 1 1 1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 -1 1
Code52 -1 1 -1 -1 -1 1 1 1 -1 1 1 1 1 -1 1 1
Code53 1 1 1 -1 1 1 -1 1 1 1 -1 1 -1 -1 -1 1
Code54 -1 -1 -1 1 1 1 -1 1 -1 -1 1 -1 -1 -1 -1 1
Code55 1 -1 1 1 -1 1 1 1 1 -1 -1 -1 1 -1 1 1
Code56 -1 1 1 1 1 -1 1 1 -1 1 -1 -1 -1 1 1 1
Code57 1 1 -1 1 -1 -1 -1 1 1 1 1 -1 1 1 -1 1
Code58 -1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 1 1 1 -1 1
Code59 1 -1 -1 -1 1 -1 1 1 1 -1 1 1 -1 1 1 1
Code60 -1 -1 1 -1 1 1 1 -1 1 1 1 -1 1 1 -1 1
Code61 1 -1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 1 1 1
Code62 -1 1 1 1 -1 1 -1 -1 1 -1 1 1 -1 1 1 1
Code63 1 1 -1 1 1 1 1 1 -1 -1 -1 1 1 1 -1 1
Code64 -1 -1 1 -1 1 1 -1 1 -1 -1 -1 1 -1 -1 -1 1
Code65 1 -1 -1 -1 -1 1 1 1 1 -1 1 1 1 -1 1 1
Code66 -1 -1 1 -1 -1 -1 1 -1 1 1 1 -1 -1 -1 -1 1
Code67 1 -1 -1 -1 1 -1 -1 -1 -1 1 -1 -1 1 -1 1 1
Code68 -1 -1 -1 1 -1 1 1 1 -1 1 -1 -1 -1 -1 1 -1
Code69 -1 1 -1 -1 -1 -1 1 -1 -1 -1 -1 1 -1 1 1 1
Code70 1 -1 1 1 1 1 -1 1 1 1 1 -1 1 -1 -1 -1
Code71 1 1 1 -1 1 -1 -1 -1 1 -1 1 1 1 1 -1 1
Code72 -1 1 1 1 1 -1 -1 -1 1 -1 1 1 1 -1 1 1
Code73 1 1 -1 1 -1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 1
Code74 -1 1 -1 -1 -1 1 -1 -1 1 -1 -1 -1 -1 1 1 1
Code75 1 1 1 -1 1 1 1 -1 -1 -1 1 -1 1 1 -1 1
Code76 -1 1 1 1 -1 1 1 1 -1 1 -1 -1 1 -1 1 1
Code77 1 1 -1 1 1 1 -1 1 1 1 1 -1 -1 -1 -1 1
Code78 -1 1 -1 -1 1 -1 1 1 -1 1 1 1 -1 1 1 1
Code79 1 1 1 -1 -1 -1 -1 1 1 1 -1 1 1 1 -1 1
Code80 -1 -1 -1 1 -1 -1 -1 1 -1 -1 1 -1 1 1 -1 1
Code81 1 -1 1 1 1 -1 1 1 1 -1 -1 -1 -1 1 1 1
Code82 -1 -1 -1 1 -1 1 -1 -1 -1 1 -1 -1 1 1 1 -1
Code83 -1 -1 -1 1 -1 1 -1 -1 1 -1 1 1 -1 -1 -1 1
Code84 -1 -1 -1 1 1 -1 1 1 -1 1 -1 -1 -1 -1 -1 1
Code85 -1 -1 -1 1 1 -1 1 1 1 -1 1 1 1 1 1 -1
Code86 -1 1 -1 -1 -1 -1 -1 1 -1 -1 -1 1 1 -1 1 1
Code87 -1 1 -1 -1 -1 -1 -1 1 1 1 1 -1 -1 1 -1 -1
Code88 -1 1 -1 -1 1 1 1 -1 -1 -1 -1 1 -1 1 -1 -1
Code89 -1 1 -1 -1 1 1 1 -1 1 1 1 -1 1 -1 1 1
Code90 1 -1 1 1 -1 -1 -1 1 -1 -1 -1 1 -1 1 -1 -1
Code91 1 -1 1 1 -1 -1 -1 1 1 1 1 -1 1 -1 1 1
Code92 1 -1 1 1 1 1 1 -1 -1 -1 -1 1 1 -1 1 1
Code93 1 -1 1 1 1 1 1 -1 1 1 1 -1 -1 1 -1 -1
Code94 1 1 1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 -1 -1 1
Code95 1 1 1 -1 -1 1 -1 -1 1 -1 1 1 1 1 1 -1
Code96 1 1 1 -1 1 -1 1 1 -1 1 -1 -1 1 1 1 -1
Code97 1 1 1 -1 1 -1 1 1 1 -1 1 1 -1 -1 -1 1
Code98 -1 -1 -1 1 1 1 1 -1 1 1 -1 1 1 1 -1 1
Code99 1 -1 1 1 -1 1 -1 -1 -1 1 1 1 -1 1 1 1
Code100 -1 -1 -1 1 -1 1 1 1 1 -1 1 1 1 1 -1 1
Code101 -1 1 -1 -1 -1 -1 1 -1 1 1 1 -1 1 -1 -1 -1
Code102 1 -1 1 1 1 1 -1 1 -1 -1 -1 1 -1 1 1 1
Code103 1 1 1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 -1 1 -1
Code104 -1 -1 1 -1 -1 1 1 1 -1 1 1 1 1 1 -1 1
Code105 -1 -1 1 -1 -1 1 1 1 1 -1 -1 -1 -1 -1 1 -1
Code106 -1 -1 1 -1 1 -1 -1 -1 -1 1 1 1 -1 -1 1 -1
Code107 -1 -1 1 -1 1 -1 -1 -1 1 -1 -1 -1 1 1 -1 1
Code108 -1 1 1 1 -1 -1 1 -1 -1 -1 1 -1 1 -1 -1 -1
Code109 -1 1 1 1 -1 -1 1 -1 1 1 -1 1 -1 1 1 1
Code110 -1 1 1 1 1 1 -1 1 -1 -1 1 -1 -1 1 1 1
Code111 -1 1 1 1 1 1 -1 1 1 1 -1 1 1 -1 -1 -1
Code112 1 -1 -1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 1 1 1
Code113 1 -1 -1 -1 -1 -1 1 -1 1 1 -1 1 1 -1 -1 -1
Code114 1 -1 -1 -1 1 1 -1 1 -1 -1 1 -1 1 -1 -1 -1
Code115 1 -1 -1 -1 1 1 -1 1 1 1 -1 1 -1 1 1 1
Code116 1 1 -1 1 -1 1 1 1 -1 1 1 1 -1 -1 1 -1
Code117 1 1 -1 1?-1 1 1 1 1?-1?-1?-1 1 1?-1 1
Code118 1 1 -1 1 1?-1?-1?-1?-1 1 1 1 1 1?-1 1
Code119 1 1 -1 1 1?-1?-1?-1 1?-1?-1?-1?-1?-1 1?-1
Code120 -1?-1 1?-1 1 1 1?-1?-1 1 1 1 1?-1 1 1
Code121 -1 1 1 1 1?-1 1 1?-1?-1 1?-1 1 1 1?-1
Code122 1?-1 -1?-1?-1 1?-1?-1 1 1?-1 1?-1?-1?-1 1
Code123 1 1 -1 1?-1?-1?-1 1 1?-1?-1?-1?-1 1?-1?-1
Code124 -1?-1 1?-1?-1?-1?-1 1?-1 1 1 1?-1 1?-1?-1
Code125 -1 1 1 1?-1 1?-1?-1?-1?-1 1?-1?-1?-1?-1 1
Code126 1?-1 -1?-1 1?-1 1 1 1 1?-1 1 1 1 1?-1
Code127 1 1 -1 1 1 1 1?-1 1?-1?-1?-1 1?-1 1 1
If Qk is less than 16, then with 16/Qk data block, each data block length is Qk (for being the data behind the spreading factor spread spectrum of Qk) by spreading ratio, is listed as length overall and is 16 chip, is that 16 scrambler multiplies each other by chip with length again.Then the data after spread spectrum and the scrambling are sent to upconverter.
Certainly, his-and-hers watches 1 listed scrambler carries out the scrambler that obtains after the inverse transformation (that is, making the symbol of 16 elements of this scrambler become opposite symbol respectively), stands good in the data processing method that is used for the TD-SCDMA wireless transmitting system according to the present invention.
In addition, his-and-hers watches 1 listed scrambler carries out the order rotation transformation (promptly, 16 elements that make this scrambler respectively move one or more to the left or to the right) after the scrambler that obtains, stand good in the data processing method that is used for the TD-SCDMA wireless transmitting system according to the present invention.
Further, his-and-hers watches 1 listed scrambler carries out the scrambler that obtains after the non-order rotation transformation (that is, the certain bits of 16 elements of this scrambler being exchanged), stands good in the data processing method that is used for the TD-SCDMA wireless transmitting system according to the present invention.
A scrambler is carried out inverse transformation be considered as equivalent transformation, this is conspicuous.Be exemplified below:
Code0 is
-1?1?1?1?-1?1?1?1?1?-1?-1?-1?-1?1?1?1
Code0 is carried out inverse transformation, obtain
1?-1?-1?-1?1?-1?-1?-1?-1?1?1?1?1?-1?-1?-1
The order shift transformation that is shifted to the left or to the right for a scrambler also is an equivalent transformation.Be exemplified below:
Code 0 is carried out the order shift transformation, and for example each element moves to left two, obtains
1?1?-1?1?1?1?1?-1?-1?-1?-1?1?1?1?-1?1
Above-mentioned inverse transformation or order shift transformation are equivalent transformation, and the scrambler that promptly draws is equally applicable to be used for according to the present invention the data processing method of TD-SCDMA wireless transmitting system, and this is conspicuous.
The data spectrum-spreading and scrambling is exemplified below:
The data that need to send are 1-1, and by Q80, two spreading ratio of Q81 are that 8 spreading code carries out spread spectrum.
Data 1-1
Q80 1 1 1 1 1 1 1 1
Q81 1 1 1 1 -1 -1 -1 -1
Data division A data division B behind the spread spectrum
A 1 1 1 1 1 1 1 1
B?-1 -1 -1 -1 1 1 1 1
Be weighted according to the 3GPP standard, the data division A and 1 behind the spread spectrum multiplies each other, and data division B behind the spread spectrum and j after multiplying each other are:
1 1 1 1 1 1 1 1
-j -j -j -j j j j j (1)
With above-mentioned chip (1) and scrambler v=(v 1, v 2..., v 16) multiply each other (multiplying each other by chip), obtain Code0
-1?1?1?1?-1?1?1?1?1?-1?-1?-1?-1?1?1?1
By v i ‾ = ( j ) i v i v i∈ 1, and 1}, 1≤i≤16 become after the modulation
Code0’
-j?-1?-j?1?-j?-1?-j?1?j?1?j?-1?-j?-1?-j?1
(2)
With chip (1) and (2) be by the chip data that final spectrum-spreading and scrambling obtains that multiply each other
-j?-1?-j?1?-j?-1?-j?1?1?-j?1?j?1?-j?1?j
Fig. 6 has schematically shown the block diagram of the radio communication transmitter that is used for the TD-SCDMA wireless transmitting system 100 second embodiment of the invention.
As shown in Figure 6, this radio communication transmitter 100 comprises data source 101, encoder 102, interleaver 103, first controller 104, an OVSF spectrum-spreading code generator 105, first scrambling generator 106, upconverter 107, transmitter 108, first antenna 109, first multiplier 110 and second multiplier 111.
From the traffic channel data of data source 101, be split into Frame and be provided to encoder 102.First controller 104 was used to control from the cutting apart and transmit of the traffic channel data of data source 101, and was used for providing additional data and message to encoder 102.Encoder 102 is encoded to data and the message accepted according to specific coded format, and coded data and message are delivered to interleaver 103.Interleaver 103 carries out interleaving treatment to coded data and message that it received under the control of first controller 104, and coded data and message through interleaving treatment are delivered to first multiplier 110.
The one OVSF spectrum-spreading code generator 105 produces the OVSF spreading code, and provides it to first multiplier 110 under the control of first controller 104.First multiplier 110 multiplies each other the coded data that received and message and OVSF spreading code, carries out spread processing, and spread spectrum data is offered second multiplier 111.First scrambling generator 106 produces scrambler under the control of first controller 104, and the scrambler that is produced is offered second multiplier 111.Second multiplier 111 multiplies each other spread spectrum data and the scrambler that is received, and obtains the spectrum-spreading and scrambling data of spreading rate.The multiply operation of being carried out in second multiplier 111 for example, can be passed through modulo 2 adder (for example XOR gate) and realize.
The spectrum-spreading and scrambling data are provided for upconverter 107, and upconverter 107 intermediate frequency carrier modulation producing the IF modulated intermediate frequency signal, and offers power amplifier 108 with the IF modulated intermediate frequency signal.In power amplifier 108, the IF modulated intermediate frequency signal is radio frequency (RF) signal by frequency conversion, through filtering and amplification, becomes the RF modulation signal.Then, offering first antenna, 109, the first antennas 109 after the RF modulation signal is handled by isolator and duplexer (not shown) sends the frequency spectrum RF signal of expansion.
Power amplifier 108 is designed to meet specific code division multiple access (CDMA) standard.For example, transmitter 108 can be designed as and follows: the TIA/EIA/IS-8-95-A-B-C standard of (1) " TIA/EIA/IS-8-95-A travelling carriage-base station compatible standard of dual mode wideband spread spectrum cellular system ", (2) " suggestion minimum performance standard of double mode spread spectrum honeycomb and PCS travelling carriage ", (3) " cdma2000 ITU-R RTT candidate suggestion ".
According to the present invention, first scrambling generator 106 is under the control of first controller 104, and the scrambler of generation is one of 128 scramblers as shown in table 1.
According to the present invention, this radio communication transmitter 100 also comprises the inverse transformer (not shown), is used for one of 128 scramblers that first scrambling generator 106 is generated and carries out inverse transformation, and the scrambler after the inverse transformation is delivered to second multiplier 111.
Selectively, this inverse transformer can be substituted by rotary converter, is used for one of above-mentioned 128 scramblers are carried out order rotation transformation or non-order rotation transformation.
Fig. 7 has schematically shown the block diagram according to the radio communication receiver that is used for the TD-SCDMA wireless transmitting system 200 of the 3rd execution mode of the present invention.
As shown in Figure 7, this radio communication transmitter 200 comprises second antenna 201, low noise amplifier 202, upconverter 203, second controller 204, the 2nd OVSF spectrum-spreading code generator 205, second scrambling generator 206, decoder 207, data collector 208, the 3rd multiplier 209 and the 4th multiplier 210.
Second antenna 201 receives the spectrum signal that radio communication transmitter 100 sends, and the spectrum signal that is received is offered low noise amplifier 202.202 pairs of signals that received of low noise amplifier amplify, and the signal after will amplifying is delivered to low-converter 203.Low-converter 203 down-converts to low frequency signal with this signal.
The 2nd OVSF spectrum-spreading code generator 205 produces the OVSF spreading code under the control of second controller 204.The 3rd multiplier 209 multiplies each other the homophase (I) of low-converter 203 output and quadrature (Q) data and OVSF spreading code, carries out the despreading processing, and the data after the despreading are offered the 4th multiplier 210.
Second scrambling generator 206 produces scrambler under the control of second controller 204, and it is sent into the 4th multiplier 210.The 4th multiplier 210 multiplies each other the data after the despreading and this scrambler, carries out scramble process.The 4th multiplier 210 for example, can be realized by 16 multipliers or according to the needed precision of specific implementation position multiplier.
The data of process despreading and descrambling are transfused to decoder 207 and decode.Decoded data offer data collector 208.
204 pairs the 2nd OVSF spectrum-spreading code generator of second controller 205, second scrambling generator 206 and decoder 207 are controlled, to carry out despreading, descrambling and decoding processing respectively.
According to the present invention, second scrambling generator 206 is under the control of second controller 204, and the scrambler of generation is identical with the scrambler that first scrambling generator 106 produces, and is one of 128 scramblers shown in the table 1.
In addition, according to the present invention, this radio communication receiver 200 also comprises the inverse transformer (not shown), is used for one of 128 scramblers that second scrambling generator 206 is generated and carries out inverse transformation, and the scrambler after the inverse transformation is delivered to the 4th multiplier 210.
Selectively, this inverse transformer can be substituted by rotary converter, is used for one of above-mentioned 128 scramblers are carried out order rotation transformation or non-order rotation transformation.
Can realize above-mentioned data spread spectrum, scrambling and scramble process in a different manner.These schemes can be by special-purpose integrated circuit (ASIC), digital signal processor (DSP), other circuit of controller/or software or their combination realize.In some embodiments, the memory cell of storage scrambler can be random access storage device (RAM), dynamic ram (DRAM), flash memories, read-only memory (ROM) etc.
Shown in Fig. 2 is the situation of change of signal to noise ratio between the sub-district of the different scrambler of use of utilizing data processing method according to the present invention and the TD-SCDMA wireless transmitting system of the data processing method of prior art.Wherein, this characteristic curve is that the transfer velocity at mobile subscriber terminal is to obtain under 120km/ hour the situation.
In Fig. 2, abscissa is represented the scrambler number of sub-district, and ordinate is represented the error rate.Curve 3 expression be situation according to TD-SCDMA wireless transmitting system of the present invention, and curve 4 expressions is the situation of existing TD-SCDMA wireless transmitting system.
Obviously, the error rate is low more, and systematic function is good more.As can be seen, adopt the TD-SCDMA wireless transmitting system of the data processing method of prior art, under the identical situation of signal to noise ratio, the receptivity of the receiver of mobile subscriber terminal difference in the sub-district of using different scrambling codes is very big.The mean value of the TD-SCDMA wireless transmitting system error rate of the data processing method that employing proposes according to the present invention and the scrambler lowest bit error rate basically identical that adopts existing standard.
If the scrambler that uses the present invention to propose, when the user of fast moving switched to another sub-district from a sub-district, the performance of the receiver of mobile subscriber and base station did not almost change, thereby is easy to make whole TD-SCDMA wireless transmitting system steady operation.
Above preferred embodiment is an example of the present invention, and is not interpreted as and limits the scope of the invention.
Though described the present invention, should be appreciated that to the invention is not restricted to disclosed embodiment about the preferred embodiment of thinking at present.On the contrary, the present invention plans to cover various changes and equivalent arrangements included within the spirit and scope of claims.The scope of following claim gives to explain the most widely, so that comprise all such changes and equivalent structure and function.

Claims (16)

1. a data processing method that is used for the TD-SCDMA wireless transmitting system comprises the steps:
Read in the step of reading in of user data;
The weighting step that the data of being read in is weighted according to the TD-SCDMA standard;
Data after utilizing the OVSF spreading code to weighting are carried out the spread spectrum step of spread spectrum;
Chip behind the spread spectrum and scrambler are pursued the scrambling step that chip multiplies each other,
Wherein, described scrambler is one of following 128 scramblers:
Code0 -1 -1 1 -1 1 1 -1 1 1 1 -1 1 1 1 -1 1
Code1 -1 1 1 1 -1 1 1 1 1 -1 -1 -1 -1 1 1 1
Code2 1 -1 -1 -1 -1 1 1 1 -1 1 1 1 -1 1 1 1
Code3 1 1 -1 1 1 1 -1 1 -1 -1 1 -1 1 1 -1 1
Code4 -1 -1 -1 1 -1 -1 -1 1 1 1 1 -1 -1 -1 -1 1
Code5 -1 1 -1 -1 1 -1 1 1 1 -1 1 1 1 -1 1 1
Code6 1 -1 1 1 1 -1 1 1 -1 1 -1 -1 1 -1 1 1
Code7 1 1 1 -1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 1
Code8 -1 -1 1 -1 -1 -1 1 -1 -1 -1 1 -1 1 1 -1 1
Code9 -1 1 1 1 1 -1 -1 -1 -1 1 1 1 -1 1 1 1
Code10 1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 -1 1 1 1
Code11 1 1 -1 1 -1 -1 1 -1 1 1 -1 1 1 1 -1 1
Code12?-1 -1 -1 1 1 1 1 -1 -1 -1 -1 1 -1 -1 -1 1
Code13?-1 1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 1 -1 1 1
Code14 1 -1 1 1 -1 1 -1 -1 1 -1 1 1 1 -1 1 1
Code15 1 1 1 -1 1 1 1 -1 1 1 1 -1 -1 -1 -1 1
Code16?-1 -1 1 -1 -1 -1 -1 1 -1 -1 1 -1 1 1 1 -1
Code17?-1 -1 1 -1 1 1 1 -1 -1 -1 1 -1 -1 -1 -1 1
Code18?-1 1 1 1 -1 1 -1 -1 -1 1 1 1 1 -1 1 1
Code19?-1 1 1 1 1 -1 1 1 -1 1 1 1 -1 1 -1 -1
Code20 1 -1 -1 -1 -1 1 -1 -1 1 -1 -1 -1 1 -1 1 1
Code21 1 -1 -1 -1 1 -1 1 1 1 -1 -1 -1 -1 1 -1 -1
Code22 1 1 -1 1 -1 -1 -1 1 1 1 -1 1 1 1 1 -1
Code23 1 1 -1 1 1 1 1 -1 1 1 -1 1 -1 -1 -1 1
Code24?-1 -1 1 -1 -1 -1 -1 1 1 1 -1 1 -1 -1 -1 1
Code25?-1 -1 1 -1 1 1 1 -1 1 1 -1 1 1 1 1 -1
Code26?-1 1 1 1 -1 1 -1 -1 1 -1 -1 -1 -1 1 -1 -1
Code27?-1 1 1 1 1 -1 1 1 1 -1 -1 -1 1 -1 1 1
Code28 1 -1 -1 -1 -1 1 -1 -1 -1 1 1 1 -1 1 -1 -1
Code29 1 -1 -1 -1 1 -1 1 1 -1 1 1 1 1 -1 1 1
Code30 1 1 -1 1 -1 -1 -1 1 -1 -1 1 -1 -1 -1 -1 1
Code31 1 1 -1 1 1 1 1 -1 -1 -1 1 -1 1 1 1 -1
Code32 -1 -1 -1 1 -1 -1 1 -1 -1 -1 -1 1 1 1 -1 1
Code33 -1 -1 -1 1 1 1 -1 1 -1 -1 -1 1 -1 -1 1 -1
Code34 -1 1 -1 -1 -1 1 1 1 -1 1 -1 -1 1 -1 -1 -1
Code35 -1 1 -1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 1 1 1
Code36 1 -1 1 1 -1 1 1 1 1 -1 1 1 1 -1 -1 -1
Code37 1 -1 1 1 1 -1 -1 -1 1 -1 1 1 -1 1 1 1
Code38 1 1 1 -1 -1 -1 1 -1 1 1 1 -1 1 1 -1 1
Code39 1 1 1 -1 1 1 -1 1 1 1 1 -1 -1 -1 1 -1
Code40 -1 -1 -1 1 -1 -1 1 -1 1 1 1 -1 -1 -1 1 -1
Code41 -1 -1 -1 1 1 1 -1 1 1 1 1 -1 1 1 -1 1
Code42 -1 1 -1 -1 -1 1 1 1 1 -1 1 1 -1 1 1 1
Code43 -1 1 -1 -1 1 -1 -1 -1 1 -1 1 1 1 -1 -1 -1
Code44 1 -1 1 1 -1 1 1 1 -1 1 -1 -1 -1 1 1 1
Code45 1 -1 1 1 1 -1 -1 -1 -1 1 -1 -1 1 -1 -1 -1
Code46 1 1 1 -1 -1 -1 1 -1 -1 -1 -1 1 -1 -1 1 -1
Code47 1 1 1 -1 1 1 -1 1 -1 -1 -1 1 1 1 -1 1
Code48 -1 -1 -1 1 -1 -1 1 -1 1 1 -1 1 -1 -1 -1 1
Code49 1 -1 1 1 1 -1 -1 -1 -1 1 1 1 1 -1 1 1
Code50 -1 1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 1 -1 1 1
Code51 1 1 1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 -1 1
Code52 -1 1 -1 -1 -1 1 1 1 -1 1 1 1 1 -1 1 1
Code53 1 1 1 -1 1 1 -1 1 1 1 -1 1 -1 -1 -1 1
Code54 -1 -1 -1 1 1 1 -1 1 -1 -1 1 -1 -1 -1 -1 1
Code55 1 -1 1 1 -1 1 1 1 1 -1 -1 -1 1 -1 1 1
Code56 -1 1 1 1 1 -1 1 1 -1 1 -1 -1 -1 1 1 1
Code57 1 1 -1 1 -1 -1 -1 1 1 1 1 -1 1 1 -1 1
Code58 -1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 1 1 1 -1 1
Code59 1 -1 -1 -1 1 -1 1 1 1 -1 1 1 -1 1 1 1
Code60 -1 -1 1 -1 1 1 1 -1 1 1 1 -1 1 1 -1 1
Code61 1 -1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 1 1 1
Code62 -1 1 1 1 -1 1 -1 -1 1 -1 1 1 -1 1 1 1
Code63 1 1 -1 1 1 1 1 -1 -1 -1 -1 1 1 1 -1 1
Code64 -1 -1 1 -1 1 1 -1 1 -1 -1 -1 1 -1 -1 -1 1
Code65 1 -1 -1 -1 -1 1 1 1 1 -1 1 1 1 -1 1 1
Code66 -1 -1 1 -1 -1 -1 1 -1 1 1 1 -1 -1 -1 -1 1
Code67 1 -1 -1 -1 1 -1 -1 -1 -1 1 -1 -1 1 -1 1 1
Code68 -1 -1 -1 1 -1 1 1 1 -1 1 -1 -1 -1 -1 1 -1
Code69 -1 1 -1 -1 -1 -1 1 -1 -1 -1 -1 1 -1 1 1 1
Code70 1 -1 1 1 1 1 -1 1 1 1 1 -1 1 -1 -1 -1
Code71 1 1 1 -1 1 -1 -1 -1 1 -1 1 1 1 1 -1 1
Code72 -1 1 1 1 1 -1 -1 -1 1 -1 1 1 1 -1 1 1
Code73 1 1 -1 1 -1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 1
Code74 -1 1 -1 -1 -1 1 -1 -1 1 -1 -1 -1 -1 1 1 1
Code75 1 1 1 -1 1 1 1 -1 -1 -1 1 -1 1 1 -1 1
Code76 -1 1 1 1 -1 1 1 1 -1 1 -1 -1 1 -1 1 1
Code77 1 1 -1 1 1 1 -1 1 1 1 1 -1 -1 -1 -1 1
Code78 -1 1 -1 -1 1 -1 1 1 -1 1 1 1 -1 1 1 1
Code79 1 1 1 -1 -1 -1 -1 1 1 1 -1 1 1 1 -1 1
Code80 -1 -1 -1 1 -1 -1 -1 1 -1 -1 1 -1 1 1 -1 1
Code81 1 -1 1 1 1 -1 1 1 1 -1 -1 -1 -1 1 1 1
Code82 -1 -1 -1 1 -1 1 -1 -1 -1 1 -1 -1 1 1 1 -1
Code83 -1 -1 -1 1 -1 1 -1 -1 1 -1 1 1 -1 -1 -1 1
Code84 -1 -1 -1 1 1 -1 1 1 -1 1 -1 -1 -1 -1 -1 1
Code85 -1 -1 -1 1 1 -1 1 1 1 -1 1 1 1 1 1 -1
Code86 -1 1 -1 -1 -1 -1 -1 1 -1 -1 -1 1 1 -1 1 1
Code87 -1 1 -1 -1 -1 -1 -1 1 1 1 1 -1 -1 1 -1 -1
Code88 -1 1 -1 -1 1 1 1 -1 -1 -1 -1 1 -1 1 -1 -1
Code89 -1 1 -1 -1 1 1 1 -1 1 1 1 -1 1 -1 1 1
Code90 1 -1 1 1 -1 -1 -1 1 -1 -1 -1 1 -1 1 -1 -1
Code91 1 -1 1 1 -1 -1 -1 1 1 1 1 -1 1 -1 1 1
Code92 1 -1 1 1 1 1 1 -1 -1 -1 -1 1 1 -1 1 1
Code93 1 -1 1 1 1 1 1 -1 1 1 1 -1 -1 1 -1 -1
Code94 1 1 1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 -1 -1 1
Code95 1 1 1 -1 -1 1 -1 -1 1 -1 1 1 1 1 1 -1
Code96 1 1 1 -1 1 -1 1 1 -1 1 -1 -1 1 1 1 -1
Code97 1 1 1 -1 1 -1 1 1 1 -1 1 1 -1 -1 -1 1
Code98 -1 -1 -1 1 1 1 1 -1 1 1 -1 1 1 1 -1 1
Code99 1 -1 1 1 -1 1 -1 -1 -1 1 1 1 -1 1 1 1
Code100 -1 -1 -1 1 -1 1 1 1 1 -1 1 1 1 1 -1 1
Code101 -1 1 -1 -1 -1 -1 1 -1 1 1 1 -1 1 -1 -1 -1
Code102 1 -1 1 1 1 1 -1 1 -1 -1 -1 1 -1 1 1 1
Code103 1 1 1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 -1 1 -1
Code104 -1 -1 1 -1 -1 1 1 1 -1 1 1 1 1 1 -1 1
Code105 -1 -1 1 -1 -1 1 1 1 1 -1 -1 -1 -1 -1 1 -1
Code106 -1 -1 1 -1 1 -1 -1 -1 -1 1 1 1 -1 -1 1 -1
Code107 -1 -1 1 -1 1 -1 -1 -1 1 -1 -1 -1 1 1 -1 1
Code108 -1 1 1 1 -1 -1 1 -1 -1 -1 1 -1 1 -1 -1 -1
Code109 -1 1 1 1 -1 -1 1 -1 1 1 -1 1 -1 1 1 1
Code110 -1 1 1 1 1 1 -1 1 -1 -1 1 -1 -1 1 1 1
Code111 -1 1 1 1 1 1 -1 1 1 1 -1 1 1 -1 -1 -1
Code112 1 -1 -1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 1 1 1
Code113 1 -1 -1 -1 -1 -1 1 -1 1 1 -1 1 1 -1 -1 -1
Code114 1 -1 -1 -1 1 1 -1 1 -1 -1 1 -1 1 -1 -1 -1
Code115 1 -1 -1 -1 1 1 -1 1 1 1 -1 1 -1 1 1 1
Code116 1 1 -1 1 -1 1 1 1 -1 1 1 1 -1 -1 1 -1
Code117 1 1 -1 1 -1 1 1 1 1 -1 -1 -1 1 1 -1 1
Code118 1 1 -1 1 1 -1 -1 -1 -1 1 1 1 1 1 -1 1
Code119 1 1 -1 1 1 -1 -1 -1 1 -1 -1 -1 -1 -1 1 -1
Code120 -1 -1 1 -1 1 1 1 -1 -1 1 1 1 1 -1 1 1
Code121 -1 1 1 1 1 -1 1 1 -1 -1 1 -1 1 1 1 -1
Code122 1 -1 -1 -1 -1 1 -1 -1 1 1 -1 1 -1 -1 -1 1
Code123 1 1 -1 1 -1 -1 -1 1 1 -1 -1 -1 -1 1 -1 -1
Code124 -1 -1 1 -1 -1 -1 -1 1 -1 1 1 1 -1 1 -1 -1
Code125 -1 1 1 1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 -1 1
Code126 1 -1 -1 -1 1 -1 1 1 1 1 -1 1 1 1 1 -1
Code127 1 1 -1 1 1 1 1 -1 1 -1 -1 -1 1 -1 1 1
。
2. data processing method as claimed in claim 1 wherein, between described spread spectrum step and described scrambling step, also comprises the step of described scrambler being carried out inverse transformation.
3. data processing method as claimed in claim 1 wherein, between described spread spectrum step and described scrambling step, also comprises the step of described scrambler being carried out the order rotation transformation.
4. data processing method as claimed in claim 1 wherein, between described spread spectrum step and described scrambling step, also comprises the step of described scrambler being carried out non-order rotation transformation.
5. a radio communication transmitter comprises first scrambling generator (106), is used to produce one of following 128 scramblers:
Code0 -1 -1 1 -1 1 1 -1 1 1 1 -1 1 1 1 -1 1
Code1 -1 1 1 1 -1 1 1 1 1 -1 -1 -1 -1 1 1 1
Code2 1 -1 -1 -1 -1 1 1 1 -1 1 1 1 -1 1 1 1
Code3 1 1 -1 1 1 1 -1 1 -1 -1 1 -1 1 1 -1 1
Code4 -1 -1 -1 1 -1 -1 -1 1 1 1 1 -1 -1 -1 -1 1
Code5 -1 1 -1 -1 1 -1 1 1 1 -1 1 1 1 -1 1 1
Code6 1 -1 1 1 1 -1 1 1 -1 1 -1 -1 1 -1 1 1
Code7 1 1 1 -1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 1
Code8 -1 -1 1 -1 -1 -1 1 -1 -1 -1 1 -1 1 1 -1 1
Code9 -1 1 1 1 1 -1 -1 -1 -1 1 1 1 -1 1 1 1
Code10 1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 -1 1 1 1
Code11 1 1 -1 1 -1 -1 1 -1 1 1 -1 1 1 1 -1 1
Code12?-1 -1 -1 1 1 1 1 -1 -1 -1 -1 1 -1 -1 -1 1
Code13?-1 1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 1 -1 1 1
Code14 1 -1 1 1 -1 1 -1 -1 1 -1 1 1 1 -1 1 1
Code15 1 1 1 -1 1 1 1 -1 1 1 1 -1 -1 -1 -1 1
Code16?-1 -1 1 -1 -1 -1 -1 1 -1 -1 1 -1 1 1 1 -1
Code17?-1 -1 1 -1 1 1 1 -1 -1 -1 1 -1 -1 -1 -1 1
Code18 -1 1 1 1 -1 1 -1 -1 -1 1 1 1 1 -1 1 1
Code19 -1 1 1 1 1 -1 1 1 -1 1 1 1 -1 1 -1 -1
Code20 1 -1 -1 -1 -1 1 -1 -1 1 -1 -1 -1 1 -1 1 1
Code21 1 -1 -1 -1 1 -1 1 1 1 -1 -1 -1 -1 1 -1 -1
Code22 1 1 -1 1 -1 -1 -1 1 1 1 -1 1 1 1 1 -1
Code23 1 1 -1 1 1 1 1 -1 1 1 -1 1 -1 -1 -1 1
Code24 -1 -1 1 -1 -1 -1 -1 1 1 1 -1 1 -1 -1 -1 1
Code25 -1 -1 1 -1 1 1 1 -1 1 1 -1 1 1 1 1 -1
Code26 -1 1 1 1 -1 1 -1 -1 1 -1 -1 -1 -1 1 -1 -1
Code27 -1 1 1 1 1 -1 1 1 1 -1 -1 -1 1 -1 1 1
Code28 1 -1 -1 -1 -1 1 -1 -1 -1 1 1 1 -1 1 -1 -1
Code29 1 -1 -1 -1 1 -1 1 1 -1 1 1 1 1 -1 1 1
Code30 1 1 -1 1 -1 -1 -1 1 -1 -1 1 -1 -1 -1 -1 1
Code31 1 1 -1 1 1 1 1 -1 -1 -1 1 -1 1 1 1 -1
Code32 -1 -1 -1 1 -1 -1 1 -1 -1 -1 -1 1 1 1 -1 1
Code33 -1 -1 -1 1 1 1 -1 1 -1 -1 -1 1 -1 -1 1 -1
Code34 -1 1 -1 -1 -1 1 1 1 -1 1 -1 -1 1 -1 -1 -1
Code35 -1 1 -1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 1 1 1
Code36 1 -1 1 1 -1 1 1 1 1 -1 1 1 1 -1 -1 -1
Code37 1 -1 1 1 1 -1 -1 -1 1 -1 1 1 -1 1 1 1
Code38 1 1 1 -1 -1 -1 1 -1 1 1 1 -1 1 1 -1 1
Code39 1 1 1 -1 1 1 -1 1 1 1 1 -1 -1 -1 1 -1
Code40 -1 -1 -1 1 -1 -1 1 -1 1 1 1 -1 -1 -1 1 -1
Code41 -1 -1 -1 1 1 1 -1 1 1 1 1 -1 1 1 -1 1
Code42 -1 1 -1 -1 -1 1 1 1 1 -1 1 1 -1 1 1 1
Code43 -1 1 -1 -1 1 -1 -1 -1 1 -1 1 1 1 -1 -1 -1
Code44 1 -1 1 1 -1 1 1 1 -1 1 -1 -1 -1 1 1 1
Code45 1 -1 1 1 1 -1 -1 -1 -1 1 -1 -1 1 -1 -1 -1
Code46 1 1 1 -1 -1 -1 1 -1 -1 -1 -1 1 -1 -1 1 -1
Code47 1 1 1 -1 1 1 -1 1 -1 -1 -1 1 1 1 -1 1
Code48 -1 -1 -1 1 -1 -1 1 -1 1 1 -1 1 -1 -1 -1 1
Code49 1 -1 1 1 1 -1 -1 -1 -1 1 1 1 1 -1 1 1
Code50 -1 1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 1 -1 1 1
Code51 1 1 1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 -1 1
Code52 -1 1 -1 -1 -1 1 1 1 -1 1 1 1 1 -1 1 1
Code53 1 1 1 -1 1 1 -1 1 1 1 -1 1 -1 -1 -1 1
Code54 -1 -1 -1 1 1 1 -1 1 -1 -1 1 -1 -1 -1 -1 1
Code55 1 -1 1 1 -1 1 1 1 1 -1 -1 -1 1 -1 1 1
Code56 -1 1 1 1 1 -1 1 1 -1 1 -1 -1 -1 1 1 1
Code57 1 1 -1 1 -1 -1 -1 1 1 1 1 -1 1 1 -1 1
Code58 -1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 1 1 1 -1 1
Code59 1 -1 -1 -1 1 -1 1 1 1 -1 1 1 -1 1 1 1
Code60 -1 -1 1 -1 1 1 1 -1 1 1 1 -1 1 1 -1 1
Code61 1 -1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 1 1 1
Code62 -1 1 1 1 -1 1 -1 -1 1 -1 1 1 -1 1 1 1
Code63 1 1 -1 1 1 1 1 -1 -1 -1 -1 1 1 1 -1 1
Code64 -1 -1 1 -1 1 1 -1 1 -1 -1 -1 1 -1 -1 -1 1
Code65 1 -1 -1 -1 -1 1 1 1 1 -1 1 1 1 -1 1 1
Code66 -1 -1 1 -1 -1 -1 1 -1 1 1 1 -1 -1 -1 -1 1
Code67 1 -1 -1 -1 1 -1 -1 -1 -1 1 -1 -1 1 -1 1 1
Code68 -1 -1 -1 1 -1 1 1 1 -1 1 -1 -1 -1 -1 1 -1
Code69 -1 1 -1 -1 -1 -1 1 -1 -1 -1 -1 1 -1 1 1 1
Code70 1 -1 1 1 1 1 -1 1 1 1 1 -1 1 -1 -1 -1
Code71 1 1 1 -1 1 -1 -1 -1 1 -1 1 1 1 1 -1 1
Code72 -1 1 1 1 1 -1 -1 -1 1 -1 1 1 1 -1 1 1
Code73 1 1 -1 1 -1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 1
Code74 -1 1 -1 -1 -1 1 -1 -1 1 -1 -1 -1 -1 1 1 1
Code75 1 1 1 -1 1 1 1 -1 -1 -1 1 -1 1 1 -1 1
Code76 -1 1 1 1 -1 1 1 1 -1 1 -1 -1 1 -1 1 1
Code77 1 1 -1 1 1 1 -1 1 1 1 1 -1 -1 -1 -1 1
Code78 -1 1 -1 -1 1 -1 1 1 -1 1 1 1 -1 1 1 1
Code79 1 1 1 -1 -1 -1 -1 1 1 1 -1 1 1 1 -1 1
Code80 -1 -1 -1 1 -1 -1 -1 1 -1 -1 1 -1 1 1 -1 1
Code81 1 -1 1 1 1 -1 1 1 1 -1 -1 -1 -1 1 1 1
Code82 -1 -1 -1 1 -1 1 -1 -1 -1 1 -1 -1 1 1 1 -1
Code83 -1 -1 -1 1 -1 1 -1 -1 1 -1 1 1 -1 -1 -1 1
Code84 -1 -1 -1 1 1 -1 1 1 -1 1 -1 -1 -1 -1 -1 1
Code85 -1 -1 -1 1 1 -1 1 1 1 -1 1 1 1 1 1 -1
Code86 -1 1 -1 -1 -1 -1 -1 1 -1 -1 -1 1 1 -1 1 1
Code87 -1 1 -1 -1 -1 -1 -1 1 1 1 1 -1 -1 1 -1 -1
Code88 -1 1 -1 -1 1 1 1 -1 -1 -1 -1 1 -1 1 -1 -1
Code89 -1 1 -1 -1 1 1 1 -1 1 1 1 -1 1 -1 1 1
Code90 1 -1 1 1 -1 -1 -1 1 -1 -1 -1 1 -1 1 -1 -1
Code91 1 -1 1 1 -1 -1 -1 1 1 1 1 -1 1 -1 1 1
Code92 1 -1 1 1 1 1 1 -1 -1 -1 -1 1 1 -1 1 1
Code93 1 -1 1 1 1 1 1 -1 1 1 1 -1 -1 1 -1 -1
Code94 1 1 1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 -1 -1 1
Code95 1 1 1 -1 -1 1 -1 -1 1 -1 1 1 1 1 1 -1
Code96 1 1 1 -1 1 -1 1 1 -1 1 -1 -1 1 1 1 -1
Code97 1 1 1 -1 1 -1 1 1 1 -1 1 1 -1 -1 -1 1
Code98 -1 -1 -1 1 1 1 1 -1 1 1 -1 1 1 1 -1 1
Code99 1 -1 1 1 -1 1 -1 -1 -1 1 1 1 -1 1 1 1
Code100?-1 -1 -1 1 -1 1 1 1 1 -1 1 1 1 1 -1 1
Code101?-1 1 -1 -1 -1 -1 1 -1 1 1 1 -1 1 -1 -1 -1
Code102 1 -1 1 1 1 1 -1 1 -1 -1 -1 1 -1 1 1 1
Code103 1 1 1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 -1 1 -1
Code104?-1 -1 1 -1 -1 1 1 1 -1 1 1 1 1 1 -1 1
Code105?-1 -1 1 -1 -1 1 1 1 1 -1 -1 -1 -1 -1 1 -1
Code106?-1 -1 1 -1 1 -1 -1 -1 -1 1 1 1 -1 -1 1 -1
Code107?-1 -1 1 -1 1 -1 -1 -1 1 -1 -1 -1 1 1 -1 1
Code108 -1 1 1 1 -1 -1 1 -1 -1 -1 1 -1 1 -1 -1 -1
Code109 -1 1 1 1 -1 -1 1 -1 1 1 -1 1 -1 1 1 1
Code110 -1 1 1 1 1 1 -1 1 -1 -1 1 -1 -1 1 1 1
Code111 -1 1 1 1 1 1 -1 1 1 1 -1 1 1 -1 -1 -1
Code112 1 -1 -1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 1 1 1
Code113 1 -1 -1 -1 -1 -1 1 -1 1 1 -1 1 1 -1 -1 -1
Code114 1 -1 -1 -1 1 1 -1 1 -1 -1 1 -1 1 -1 -1 -1
Code115 1 -1 -1 -1 1 1 -1 1 1 1 -1 1 -1 1 1 1
Code116 1 1 -1 1 -1 1 1 1 -1 1 1 1 -1 -1 1 -1
Code117 1 1 -1 1 -1 1 1 1 1 -1 -1 -1 1 1 -1 1
Code118 1 1 -1 1 1 -1 -1 -1 -1 1 1 1 1 1 -1 1
Code119 1 1 -1 1 1 -1 -1 -1 1 -1 -1 -1 -1 -1 1 -1
Code120 -1 -1 1 -1 1 1 1 -1 -1 1 1 1 1 -1 1 1
Code121 -1 1 1 1 1 -1 1 1 -1 -1 1 -1 1 1 1 -1
Code122 1 -1 -1 -1 -1 1 -1 -1 1 1 -1 1 -1 -1 -1 1
Code123 1 1 -1 1 -1 -1 -1 1 1 -1 -1 -1 -1 1 -1 -1
Code124 -1 -1 1 -1 -1 -1 -1 1 -1 1 1 1 -1 1 -1 -1
Code125 -1 1 1 1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 -1 1
Code126 1 -1 -1 -1 1 -1 1 1 1 1 -1 1 1 1 1 -1
Code127 1 1 -1 1 1 1 1 -1 1 -1 -1 -1 1 -1 1 1
。
6. radio communication transmitter as claimed in claim 5 wherein, also comprises:
Data source (101);
Encoder (102) is used for encoding from the Frame of described data source (101);
Interleaver (103) is used for the coded data of described encoder (102) output is carried out interleaving treatment;
The one OVSF spectrum-spreading code generator (105) is used to produce the OVSF spreading code;
First multiplier (110) is used for the described OVSF spreading code from data after the interleaving treatment of described interleaver (103) and the generation of a described OVSF spectrum-spreading code generator (105) is multiplied each other, and carries out spread processing;
Second multiplier (111) is used for the spread spectrum data and the described scrambler of described first multiplier (110) output are multiplied each other, thereby obtains the spectrum-spreading and scrambling data;
Upconverter (107) is used for described spectrum-spreading and scrambling data are up-converted to radiofrequency signal;
Power amplifier (108) is used to amplify described radiofrequency signal.
7. radio communication transmitter as claimed in claim 6, wherein, also comprise first controller (104), be used to control the operation of described data source (101), described encoder (102), described interleaver (103), a described OVSF spectrum-spreading code generator (105) and described first scrambling generator (106).
8. radio communication transmitter as claimed in claim 5 wherein, also comprises inverse transformer, is used for a described scrambler of described 128 scramblers is carried out inverse transformation.
9. radio communication transmitter as claimed in claim 5 wherein, also comprises rotary converter, is used for a described scrambler of described 128 scramblers is carried out the order rotation transformation.
10. radio communication transmitter as claimed in claim 5 wherein, also comprises rotary converter, is used for a described scrambler of described 128 scramblers is carried out non-order rotation transformation.
11. a radio communication receiver comprises second scrambling generator (206), is used to produce one of following 128 scramblers:
Code0 -1 -1 1 -1 1 1 -1 1 1 1 -1 1 1 1 -1 1
Code1 -1 1 1 1 -1 1 1 1 1 -1 -1 -1 -1 1 1 1
Code2 1 -1 -1 -1 -1 1 1 1 -1 1 1 1 -1 1 1 1
Code3 1 1 -1 1 1 1 -1 1 -1 -1 1 -1 1 1 -1 1
Code4 -1 -1 -1 1 -1 -1 -1 1 1 1 1 -1 -1 -1 -1 1
Code5 -1 1 -1 -1 1 -1 1 1 1 -1 1 1 1 -1 1 1
Code6 1 -1 1 1 1 -1 1 1 -1 1 -1 -1 1 -1 1 1
Code7 1 1 1 -1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 1
Code8 -1 -1 1 -1 -1 -1 1 -1 -1 -1 1 -1 1 1 -1 1
Code9 -1 1 1 1 1 -1 -1 -1 -1 1 1 1 -1 1 1 1
Code10 1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 -1 1 1 1
Code11 1 1 -1 1 -1 -1 1 -1 1 1 -1 1 1 1 -1 1
Code12?-1 -1 -1 1 1 1 1 -1 -1 -1 -1 1 -1 -1 -1 1
Code13?-1 1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 1 -1 1 1
Code14 1 -1 1 1 -1 1 -1 -1 1 -1 1 1 1 -1 1 1
Code15 1 1 1 -1 1 1 1 -1 1 1 1 -1 -1 -1 -1 1
Code16?-1 -1 1 -1 -1 -1 -1 1 -1 -1 1 -1 1 1 1 -1
Code17?-1 -1 1 -1 1 1 1 -1 -1 -1 1 -1 -1 -1 -1 1
Code18?-1 1 1 1 -1 1 -1 -1 -1 1 1 1 1 -1 1 1
Code19?-1 1 1 1 1 -1 1 1 -1 1 1 1 -1 1 -1 -1
Code20 1 -1 -1 -1 -1 1 -1 -1 1 -1 -1 -1 1 -1 1 1
Code21 1 -1 -1 -1 1 -1 1 1 1 -1 -1 -1 -1 1 -1 -1
Code22 1 1 -1 1 -1 -1 -1 1 1 1 -1 1 1 1 1 -1
Code23 1 1 -1 1 1 1 1 -1 1 1 -1 1 -1 -1 -1 1
Code24?-1 -1 1 -1 -1 -1 -1 1 1 1 -1 1 -1 -1 -1 1
Code25?-1 -1 1 -1 1 1 1 -1 1 1 -1 1 1 1 1 -1
Code26?-1 1 1 1 -1 1 -1 -1 1 -1 -1 -1 -1 1 -1 -1
Code27 -1 1 1 1 1 -1 1 1 1 -1 -1 -1 1 -1 1 1
Code28 1 -1 -1 -1 -1 1 -1 -1 -1 1 1 1 -1 1 -1 -1
Code29 1 -1 -1 -1 1 -1 1 1 -1 1 1 1 1 -1 1 1
Code30 1 1 -1 1 -1 -1 -1 1 -1 -1 1 -1 -1 -1 -1 1
Code31 1 1 -1 1 1 1 1 -1 -1 -1 1 -1 1 1 1 -1
Code32 -1 -1 -1 1 -1 -1 1 -1 -1 -1 -1 1 1 1 -1 1
Code33 -1 -1 -1 1 1 1 -1 1 -1 -1 -1 1 -1 -1 1 -1
Code34 -1 1 -1 -1 -1 1 1 1 -1 1 -1 -1 1 -1 -1 -1
Code35 -1 1 -1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 1 1 1
Code36 1 -1 1 1 -1 1 1 1 1 -1 1 1 1 -1 -1 -1
Code37 1 -1 1 1 1 -1 -1 -1 1 -1 1 1 -1 1 1 1
Code38 1 1 1 -1 -1 -1 1 -1 1 1 1 -1 1 1 -1 1
Code39 1 1 1 -1 1 1 -1 1 1 1 1 -1 -1 -1 1 -1
Code40 -1 -1 -1 1 -1 -1 1 -1 1 1 1 -1 -1 -1 1 -1
Code41 -1 -1 -1 1 1 1 -1 1 1 1 1 -1 1 1 -1 1
Code42 -1 1 -1 -1 -1 1 1 1 1 -1 1 1 -1 1 1 1
Code43 -1 1 -1 -1 1 -1 -1 -1 1 -1 1 1 1 -1 -1 -1
Code44 1 -1 1 1 -1 1 1 1 -1 1 -1 -1 -1 1 1 1
Code45 1 -1 1 1 1 -1 -1 -1 -1 1 -1 -1 1 -1 -1 -1
Code46 1 1 1 -1 -1 -1 1 -1 -1 -1 -1 1 -1 -1 1 -1
Code47 1 1 1 -1 1 1 -1 1 -1 -1 -1 1 1 1 -1 1
Code48 -1 -1 -1 1 -1 -1 1 -1 1 1 -1 1 -1 -1 -1 1
Code49 1 -1 1 1 1 -1 -1 -1 -1 1 1 1 1 -1 1 1
Code50 -1 1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 1 -1 1 1
Code51 1 1 1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 -1 1
Code52 -1 1 -1 -1 -1 1 1 1 -1 1 1 1 1 -1 1 1
Code53 1 1 1 -1 1 1 -1 1 1 1 -1 1 -1 -1 -1 1
Code54 -1 -1 -1 1 1 1 -1 1 -1 -1 1 -1 -1 -1 -1 1
Code55 1 -1 1 1 -1 1 1 1 1 -1 -1 -1 1 -1 1 1
Code56 -1 1 1 1 1 -1 1 1 -1 1 -1 -1 -1 1 1 1
Code57 1 1 -1 1 -1 -1 -1 1 1 1 1 -1 1 1 -1 1
Code58 -1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 1 1 1 -1 1
Code59 1 -1 -1 -1 1 -1 1 1 1 -1 1 1 -1 1 1 1
Code60 -1 -1 1 -1 1 1 1 -1 1 1 1 -1 1 1 -1 1
Code61 1 -1 -1 -1 -1 1 -1 -1 -1 1 -1 -1 -1 1 1 1
Code62 -1 1 1 1 -1 1 -1 -1 1 -1 1 1 -1 1 1 1
Code63 1 1 -1 1 1 1 1 -1 -1 -1 -1 1 1 1 -1 1
Code64 -1 -1 1 -1 1 1 -1 1 -1 -1 -1 1 -1 -1 -1 1
Code65 1 -1 -1 -1 -1 1 1 1 1 -1 1 1 1 -1 1 1
Code66 -1 -1 1 -1 -1 -1 1 -1 1 1 1 -1 -1 -1 -1 1
Code67 1 -1 -1 -1 1 -1 -1 -1 -1 1 -1 -1 1 -1 1 1
Code68 -1 -1 -1 1 -1 1 1 1 -1 1 -1 -1 -1 -1 1 -1
Code69 -1 1 -1 -1 -1 -1 1 -1 -1 -1 -1 1 -1 1 1 1
Code70 1 -1 1 1 1 1 -1 1 1 1 1 -1 1 -1 -1 -1
Code71 1 1 1 -1 1 -1 -1 -1 1 -1 1 1 1 1 -1 1
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Code105?-1 -1 1 -1 -1 1 1 1 1 -1 -1 -1 -1 -1 1 -1
Code106?-1 -1 1 -1 1 -1 -1 -1 -1 1 1 1 -1 -1 1 -1
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Code108?-1 1 1 1 -1 -1 1 -1 -1 -1 1 -1 1 -1 -1 -1
Code109?-1 1 1 1 -1 -1 1 -1 1 1 -1 1 -1 1 1 1
Code110?-1 1 1 1 1 1 -1 1 -1 -1 1 -1 -1 1 1 1
Code111?-1 1 1 1 1 1 -1 1 1 1 -1 1 1 -1 -1 -1
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Code113 1 -1 -1 -1 -1 -1 1 -1 1 1 -1 1 1 -1 -1 -1
Code114 1 -1 -1 -1 1 1 -1 1 -1 -1 1 -1 1 -1 -1 -1
Code115 1 -1 -1 -1 1 1 -1 1 1 1 -1 1 -1 1 1 1
Code116 1 1 -1 1 -1 1 1 1 -1 1 1 1 -1 -1 1 -1
Code117 1 1 -1 1 -1 1 1 1 1 -1 -1 -1 1 1 -1 1
Code118 1 1 -1 1 1 -1 -1 -1 -1 1 1 1 1 1 -1 1
Code119 1 1 -1 1 1 -1 -1 -1 1 -1 -1 -1 -1 -1 1 -1
Code120 -1 -1 1 -1 1 1 1 -1 -1 1 1 1 1 -1 1 1
Code121 -1 1 1 1 1 -1 1 1 -1 -1 1 -1 1 1 1 -1
Code122 1 -1 -1 -1 -1 1 -1 -1 1 1 -1 1 -1 -1 -1 1
Code123 1 1 -1 1 -1 -1 -1 1 1 -1 -1 -1 -1 1 -1 -1
Code124 -1 -1 1 -1 -1 -1 -1 1 -1 1 1 1 -1 1 -1 -1
Code125 -1 1 1 1 -1 1 -1 -1 -1 -1 1 -1 -1 -1 -1 1
Code126 1 -1 -1 -1 1 -1 1 1 1 1 -1 1 1 1 1 -1
Code127 1 1 -1 1 1 1 1 -1 1 -1 -1 -1 1 -1 1 1
。
12. radio communication receiver as claimed in claim 11 wherein, also comprises:
Low noise amplifier (202) is used to receive the signal that radio communication transmitter sends;
Low-converter (203) is used for the signal from described low noise amplifier (202) is carried out down-converted;
The 2nd OVSF spectrum-spreading code generator (205) is used to produce the OVSF spreading code;
The 3rd multiplier (209), be used for described OVSF spreading code with from the signal multiplication of described low-converter (203), carry out despreading and handle;
The 4th multiplier (210) is used for data after the despreading and described scrambler are multiplied each other, and carries out scramble process;
Decoder (207) is used for the data after despreading and the scramble process are carried out decoding processing;
Data collector (208) is used to receive the dateout of described decoder (207).
13. radio communication receiver as claimed in claim 12, wherein, also comprise second controller (204), be used for described the 2nd OVSF spectrum-spreading code generator (205), described second scrambling generator (206) and described decoder (207) are controlled, to carry out despreading, descrambling and decoding processing respectively.
14. radio communication receiver as claimed in claim 11 wherein, also comprises inverse transformer, is used for a described scrambler of described 128 scramblers is carried out inverse transformation.
15. radio communication receiver as claimed in claim 11 wherein, also comprises rotary converter, is used for a described scrambler of described 128 scramblers is carried out the order rotation transformation.
16. radio communication receiver as claimed in claim 11 wherein, also comprises rotary converter, is used for a described scrambler of described 128 scramblers is carried out non-order rotation transformation.
CN2004100955447A 2004-11-29 2004-11-29 Data processing method, radio communication transmitter and radio communication receiver Expired - Fee Related CN1783762B (en)

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN102028515A (en) * 2009-10-06 2011-04-27 Tyco医疗健康集团 Wireless clip counter
CN110071886A (en) * 2019-05-08 2019-07-30 哈尔滨海能达科技有限公司 A kind of signal processing method, relevant device and LoRa wireless system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100429545B1 (en) * 1999-08-17 2004-04-28 삼성전자주식회사 Method for communicating scrambling code id in mobile communication system
CN1138363C (en) * 1999-11-12 2004-02-11 ***电信传输研究所 Method for judging interference group number in regional search for WCDMA system and frame synchronizer
CN1281012C (en) * 2003-05-20 2006-10-18 中兴通讯股份有限公司 Up code scrambling distributing method in WCDMA system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102028515A (en) * 2009-10-06 2011-04-27 Tyco医疗健康集团 Wireless clip counter
CN102028515B (en) * 2009-10-06 2015-04-08 柯惠Lp公司 Wireless clip counter
CN110071886A (en) * 2019-05-08 2019-07-30 哈尔滨海能达科技有限公司 A kind of signal processing method, relevant device and LoRa wireless system

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