Joint Source Channel Coding with Side Information Using Hybrid Digital Analog Codes

Wilson, Mary Dabney

doi:10.1109/ita.2007.4357595

Cited by 27 publications

(62 citation statements)

References 25 publications

(44 reference statements)

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“…This scheme is introduced in [23], and shown to be optimal in static SISO channels in the presence of side information for b = 1. HDA-LD is considered in [21] in the SISO fading setup with b = 1, and is shown to achieve the optimal distortion exponent for a wide family of side information distributions.…”

Section: B Hybrid Digital-analog List Decoding Scheme (Hda-ld)mentioning

confidence: 99%

Distortion Exponent in MIMO Fading Channels With Time-Varying Source Side Information

Aguerri

Gündüz

2016

IEEE Trans. Inform. Theory

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Transmission of a Gaussian source over a time-varying multiple-input multiple-output (MIMO) channel is studied under strict delay constraints. Availability of a correlated side information at the receiver is assumed, whose quality, i.e., correlation with the source signal, also varies over time. A block-fading model is considered for the states of the time-varying channel and the time-varying side information; and perfect state information at the receiver is assumed, while the transmitter knows only the statistics. The high SNR performance, characterized by the distortion exponent, is studied for this joint source-channel coding problem. An upper bound is derived and compared with lowers based on list decoding, hybrid digital-analog transmission, as well as multi-layer schemes which transmit successive refinements of the source, relying on progressive and superposed transmission with list decoding. The optimal distortion exponent is characterized for the single-input multiple-output (SIMO) and multipleinput single-output (MISO) scenarios by showing that the distortion exponent achieved by multi-layer superpositon encoding with joint decoding meets the proposed upper bound. In the MIMO scenario, the optimal distortion exponent is characterized in the low bandwidth ratio regime, and it is shown that the multi-layer superposition encoding performs very close to the upper bound in the high bandwidth expansion regime. Index TermsDistortion exponent, time-varying channel and side information, multiple-input multiple-output (MIMO), joint source-channel coding, list decoding, broadcast codes, successive refinement.Iñaki Estella Aguerri is with the Mathematical and

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Section: B Hybrid Digital-analog List Decoding Scheme (Hda-ld)mentioning

confidence: 99%

Distortion Exponent in MIMO Fading Channels With Time-Varying Source Side Information

Aguerri

Gündüz

2016

IEEE Trans. Inform. Theory

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“…One node sends directly its signal; the other, however, has knowledge about its neighbour signal and treats it as correlated interference. We propose and analyze an HDA scheme for this system based on Wyner-Ziv [12], Costa [13] and HDA Costa coding [14] for source-channel bandwidth expansion (the matched case is treated as special case). The rest of the paper is organized as follows.…”

Section: Introductionmentioning

confidence: 99%

Distortion bounds for broadcasting a Gaussian source in the presence of interference

Saleh

Alajaji

Chan

2014

2014 27th Biennial Symposium on Communications (QBSC)

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Abstract-We consider the transmission of a Gaussian source over the two-user Gaussian broadcast channel in the presence of interference that is known to the transmitter. The interference is assumed to be correlated to the source and each user is interested in estimating the source signal. We propose a hybrid digitalanalog (HDA) scheme based on proper combinations of power splitting, Wyner-Ziv and HDA Costa coding. The achievable (square-error) distortion region (inner bound) of this scheme is analyzed under source-channel bandwidth expansion; the matched bandwidth is treated as a special case. An outer bound on the distortion region is also derived by assuming full/partial knowledge of the interference at both users and by adapting the approach of Reznic et al. (2006). This outer bound can be tighter than the "trivial" outer bound found by assuming point-to-point communication.

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“…One node sends directly its signal; the other, however, has knowledge about its neighbour signal and treats it as correlated interference. We propose and analyze HDA schemes for this system based on WynerZiv [11], Costa [12] and HDA Costa coding [13]. The rest of the paper is organized as follows.…”

Section: Introductionmentioning

confidence: 99%

Hybrid digital-analog coding for interference broadcast channels

Saleh

Alajaji

Chan

2013

2013 IEEE International Symposium on Information Theory

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Abstract-We consider the transmission of bivariate Gaussian sources (V1, V2) over the two-user Gaussian broadcast channel in the presence of interference that is correlated to the source and known to the transmitter. Each user i is interested in estimating V i . We study hybrid digital-analog (HDA) schemes and analyze the achievable (square-error) distortion region under matched and expansion bandwidth regimes. These schemes require proper combinations of power splitting, bandwidth splitting, rate splitting, Wyner-Ziv and HDA Costa coding. An outer bound on the distortion region is also derived by assuming knowledge of V1 at the second user and full/partial knowledge of the interference at both users. Numerical results show that the HDA schemes outperform tandem and linear schemes and perform close to the derived bound for certain system settings.

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Joint Source Channel Coding with Side Information Using Hybrid Digital Analog Codes

Cited by 27 publications

References 25 publications

Distortion Exponent in MIMO Fading Channels With Time-Varying Source Side Information

Distortion Exponent in MIMO Fading Channels With Time-Varying Source Side Information

Distortion bounds for broadcasting a Gaussian source in the presence of interference

Hybrid digital-analog coding for interference broadcast channels

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