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trellis-coded modulation system

Performance of Rotated Constellation and Trellis Coded Modulation with Channel State Information Errors :MIMO Systems

Performance of Rotated Constellation and Trellis Coded Modulation with Channel State Information Errors :MIMO Systems

... antenna system involving the concept of rotated constellation and concatenated with TCM using the low complexity lattice decoder at the receiver has shown an improvement of 1 to ...proposed system, it was ...

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Turbo Coded Adaptive Modulation Versus Space Time Trellis Codes for Transmission over Dispersive Channels

Turbo Coded Adaptive Modulation Versus Space Time Trellis Codes for Transmission over Dispersive Channels

... AQAM system. Initially, we showed that the uncoded AQAM system outperforms the space–time trellis codes using two re- ...TC coded fixed ...TC coded fixed modulation scheme ...

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Trellis Coded Modulation Schemes Using A New Expanded 16-Dimensional Constant Envelope Quadrature-Quadrature Phase Shift Keying Constellation

Trellis Coded Modulation Schemes Using A New Expanded 16-Dimensional Constant Envelope Quadrature-Quadrature Phase Shift Keying Constellation

... a trellis coded modulation (TCM) system without constellation expansion ...the modulation scheme becomes very attractive for nonlinear channels such as the magnetic recording channel or ...

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Quadrature Amplitude Modulation: From Basics to Adaptive Trellis Coded, Turbo Equalised and Space Time Coded OFDM, CDMA and MC CDMA Systems

Quadrature Amplitude Modulation: From Basics to Adaptive Trellis Coded, Turbo Equalised and Space Time Coded OFDM, CDMA and MC CDMA Systems

... -ary modulation scheme. Another adaptive system was proposed by Tateesh, Atungsiri and Kondoz [663], where the rates of the speech and channel codecs were varied adaptively ...adaptive system, the ...

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Improved Super Orthogonal Trellis Coded Spatial Modulation Using STBC CSM

Improved Super Orthogonal Trellis Coded Spatial Modulation Using STBC CSM

... Time Trellis Codes (STTCs) are introduced by Tarokh et ...multi-antenna system with channel ...space trellis time codes (SO-STTC) has been intro- duced by Jafarkhani in ...

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Turbo detected unequal protection audio and speech transceivers using serially concatenated convolutional codes, trellis coded modulation and space time trellis coding

Turbo detected unequal protection audio and speech transceivers using serially concatenated convolutional codes, trellis coded modulation and space time trellis coding

... In recent years, joint source-channel coding (JSCC) has been receiv- ing significant research attention in the context of both delay- and complexity-constrained transmission scenarios. JSCC aims at design- ing the source ...

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Concatenated LDPC-TCM coding for reliable storage in multi-level flash memories

Concatenated LDPC-TCM coding for reliable storage in multi-level flash memories

... Trellis coded modulation is a powerful means for achieving coding gain in digital communication ...use coded modulation in multilevel memories, but they did not consider outer ECC and ...

6

Space Time Turbo Trellis Coded Modulation for Wireless Data Communications

Space Time Turbo Trellis Coded Modulation for Wireless Data Communications

... 2 and 3 bits/s/Hz. Unlike previously reported feedforward STTC in [1, 3], these recursive codes can be used directly as constituent codes in ST turbo TCM schemes to deliver data transmission at the same rates but at much ...

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Turbo Detected Unequal Protection MPEG 4 Audio Transceiver Using Convolutional Codes, Trellis Coded Modulation and Space Time Trellis Coding

Turbo Detected Unequal Protection MPEG 4 Audio Transceiver Using Convolutional Codes, Trellis Coded Modulation and Space Time Trellis Coding

... wireless system the MPEG-4 AAC is used for encoding the stereo audio file at a bit rate of 48 ...our system, the average trans- mission frame size is approximately 1116 bits per ...

5

Iterative Joint Video and Channel Decoding in a Trellis Based Vector Quantized Video Codec and Trellis Coded Modulation Aided Wireless Videophone

Iterative Joint Video and Channel Decoding in a Trellis Based Vector Quantized Video Codec and Trellis Coded Modulation Aided Wireless Videophone

... designed trellis-based video decoder, rather than the intermediate decoder of ...VQ-TCM system in Section ...a Trellis-Coded Modulation codec and a block-based video codec, which ...

5

Turbo Detected Unequal Protection MPEG 4 Wireless Video Telephony using Trellis Coded Modulation and Space Time Trellis Coding

Turbo Detected Unequal Protection MPEG 4 Wireless Video Telephony using Trellis Coded Modulation and Space Time Trellis Coding

... channel-coding, modulation and spatial diver- sity aided turbo-transceiver is proposed, which consists of a STTC, a TCM and two different-rate ...achievable system performance in Section 3 and conclude with ...

5

Mapping Rearrangement for Parallel Concatenated Trellis Coded Modulation

Mapping Rearrangement for Parallel Concatenated Trellis Coded Modulation

... the system whose baseband model is shown in Figure 1. The coded modulation scheme we adopt here was proposed (for one transmission) in [13] to achieve the nominal spectral efficiency of 2 bits per ...

6

M PSK Cooperative Trellis Codes for Coordinate Interleaved Coded Cooperation

M PSK Cooperative Trellis Codes for Coordinate Interleaved Coded Cooperation

... combines coded cooperation and modulation diversity techniques, has been proposed for wireless commu- nication ...pure coded cooperation scheme, due to the fact that the proposed system takes ...

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Turbo Detected Unequal Protection MPEG 4 Wireless Video Telephony using Multi Level Coding, Trellis Coded Modulation and Space Time Trellis Coding

Turbo Detected Unequal Protection MPEG 4 Wireless Video Telephony using Multi Level Coding, Trellis Coded Modulation and Space Time Trellis Coding

... inner coded modulation and spatial diversity aided turbo transceiver was studied and proposed for MPEG-4 wireless video ...the system and by utilising STTC spatial diversity was ...

9

Improving Capacity in LMDS Networks Using Trellis Coded Modulation

Improving Capacity in LMDS Networks Using Trellis Coded Modulation

... Broadband radio access systems operating at millimeter waves, often called local multipoint distribution systems (LMDS), are currently being developed in the 26–43 GHz frequency range, having bandwidths of 0.1 up to 2 ...

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Analysis of SOSTTC-OFDM based on Least Squares Method

Analysis of SOSTTC-OFDM based on Least Squares Method

... Channel estimation can be performed using two main meth- ods. One is called pilot-based channel estimation [7], [8], which is based on sending training data by the transmitter that is known a priori at the receiver. The ...

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Nested turbo codes for the costa problem

Nested turbo codes for the costa problem

... Abstract—Driven by applications in data-hiding, MIMO broadcast channel coding, precoding for interference cancella- tion, and transmitter cooperation in wireless networks, Costa coding has lately become a very active ...

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Adaptive redundant residue number system coded multicarrier modulation

Adaptive redundant residue number system coded multicarrier modulation

... multicarrier modulation—originates from Chang ...(DTTB) system (now known as DVBT [13]), and a range of other high-rate applications, such as 155 Mb/s wireless asynchronous transfer mode (ATM) local area ...

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Comparative Study of Concatenated Turbo Coded and Space Time Block Coded as well as Space Time Trellis Coded OFDM

Comparative Study of Concatenated Turbo Coded and Space Time Block Coded as well as Space Time Trellis Coded OFDM

... In Figure 2, we show our FER performance comparison between the various 2 BPS e ective throughput schemes, namely the 4PSK space-time trellis codes and the spacetime block code G2 concat[r] ...

5

A Study of trellis coded quantization for image compression

A Study of trellis coded quantization for image compression

... and is the 8-state trellis with a quantifiable quantizers rate of quantization this thesis is to investigate conjunction with image transforms today; the discrete Trellis tech evolved as[r] ...

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