1 The method utilized convolutional encoding and signal space expanding to increase Euclidian distance between signals, and the gain of quantization was further improved.

2 The watermark is processed by convolutional encoding and interleaving before embedding, in order to improve the ability for overcoming error bit rate.

3 Proving a very important equivalence property of punctured convolutional codes.

4 A concatenated hybrid decoding algorithm for convolutional codes is presented.

5 Viterbi algorithm is the best decoding algorithm for convolutional codes.

6 Being Forward Error Correction Code, convolutional code has been widely applied in GSM and N-CDMA.

7 Convolutional Encoding is one of encoding methods commonly used in the deep space communication systems and the wireless communication systems.

8 Error correcting code mainly includes block code and convolutional code.

9 Unequal error method is done. Rate compatible punctured convolutional code—RCPC is adopted as the channel coding to carry out the UEP.

10 Suitable for decoding convolutional codes with long constraint length(), this architecture saves hardware resource without performance deterioration.

11 Lastly, the performances of PCCC, TPC and convolutional code are compared and analyzed.

12 A type of hybrid decoding (HD) algorithm for convolutional codes is proposed.

13 Convolutional code widely used in various digital communication systems, such as satellite communication systems, GSM, 3G and so on.

14 Viterbi decoding is discussed and the performances of convolutional encoding and Viterbi decoding are analyzed by computer simulation, and compared to other decoding methods.

15 Convolutional encoding and decoding is accomplished by methods of fragmenting, realized in DSP.

16 The transmit circuit includes convolutional encoding, framing, differential encoding, shaping filter, PN generator, hopping pattern generator, etc.

17 An iterative decoding scheme is proposed for the concatenation a convolutional code and a GMSK modulator.

18 Based on the similarity of watermark system and communication transform system model, there is an image watermarking method proposed here which adopted convolutional encoding technique.

19 The structure of third generation ALE physical layer burst waveform is briefly introduced, and the scheme of combining DS8PSK and Viterbi convolutional encoding is put forward.

20 An iterative decoding scheme is proposed for the concatenation of a convolutional code and a GMSK modulator.

21 Base on the mode of WLAN wireless channel environment,[] the performance of convolutional encoding and its Viterbi Hard-decision and soft-decision decoding algorithm is analysed and compared.

22 The invention relates to a neural network demodulating method based on the trellis encoding and modulating (TCM) technology which combines the convolutional encoding with the modulating.

23 This method is suitable for all code rate punctured convolutional codes and practical for information interception and signal analyzing of satellite communication system.

24 Then it researches the different kinds of channel codec in DVB-H system, including pseudo random code, RS code, punctured convolutional code and interleaving.

25 In modern communication, Error-Correcting Codes are often used to improve the system performance, among which the convolutional code is adopted widely because of its excellent capability.

26 In order to increase the capacity of secret information in video steganography, a big-capacity video steganography algorithm was proposed based on motion vector phase and convolutional code.

27 Apparatus and methods store data in a non-volatile solid state memory device (100) according to a rate-compatible code, such as a rate-compatible convolutional code (RPCC).

28 The thesis mainly focuses on the encoding and decoding to the systemic convolutional code with programming language, which is prescribed in the INTELSAT IESS 309 standard.

29 Based on the similarity of watermark system and communication transform system model, there is an image watermarking method proposed here which adopts convolutional encoding technique.

30 To deal with the problem of how to improve communication quality in optical wireless communication, a method integrating spreading spectrum and convolutional encoding is been put forward.

31 The hardware resource required for parallel Viterbi decoding shows an exponential increase with the increase of constraint length of convolutional code, which limits its hardware implementation.

32 The principle and performance and arithmetic of coding and decoding of RS code and convolutional code and serial RS concatenated convolutional code are studied.

33 A modified version of the stack algorithm of sequential decoding particularly suitable for the decoding of high rate convolutional codes is presented.

34 Using the structure of a systematic convolutional code, this algorithm achieves bit-by-bit unequal error protection for VLC-coded bitstream, and thus restrains the error propagation effectively.

35 A blind audio watermarking algorithm based on convolutional codes was proposed.

36 The code includes the implementation of inverse convolutional code and testing of it.

37 W-CDMA System adopts Convolutional Code-Constranit length of 9 as one of the Channel-Coding Schemes. In practice, Viterbi Decoder is a popular decoder for Convolutional code.

38 Convolutional Code is a kind of Forward Error Control technology that has been wildly used.

39 This method utilizes convolutional encoding and signal space expanding to increase Euclidian distance between signals, and the effect of quantization is further improved.

40 Convolutional encoding for wireless SISO system integrity of the source code has been tested.

41 Of convolutional codes is a better way of channel coding.

42 For information interception and signal analyzing of satellite communication system, it is usable if knows the generator matrix and information restoration matrix of Punctured convolutional codes.

43 Both the computer simulation and real-time transmission have shown that diffuse convolutional code is a simple and reliable scheme for still image transmission in mobile channel.

44 Using forward inverse Fourier transform,() we present hybrid order convolutional differentiator algorithm for seismic wave modeling.

45 Firstly the basic transmitter, including convolutional encoding, interleaving, scrambling, Walsh modulation, quadrature spreading and baseband filtering was studied.

46 For better performance , DVB - T protocol uses the powerful channel coding , such as convolutional codes.

47 Convolutional differentiator (CD) is obtained by inverse Fourier transform of bandlimited Fourier spectra of partial derivative operator. CD is symmetric or antisymmetric and decays rapidly.

48 In order to improve the ability to resist the disturbance, the watermark was processed by convolutional encoding and interleaving before embedding.

49 By inserting bit labels, we combine convolutional code and traditional selective mapping (SLM), and propose a novel scheme to reduce PAPR.

50 Signals are expressed by using a generalized basis. Convolutional operation is converted to formal algebraic operation.

51 First, this paper analyses a BICM model and the BICM_ID model based on combination of convolutional code and 8PSK modulation,[] and introduces the principle and key technique.

52 RSCC, which is an excellent concatenated code composed of the RS and convolutional code, is widely used in deep space communication, DVB-T, etc.

53 In order to resume original messages correctly, a concatenated code, composed of RS code and convolutional code, is introduced to control errors in the received signal.

54 Based on channel condition, the system can modify diffuse convolutional codes constraint length automatically.