Low-power all-analog circuit for rectangular-type analog joint source channel coding

@article{Zhao2016LowpowerAC,
  title={Low-power all-analog circuit for rectangular-type analog joint source channel coding},
  author={Xueyuan Zhao and Vidyasagar Sadhu and Dario Pompili},
  journal={2016 IEEE International Symposium on Circuits and Systems (ISCAS)},
  year={2016},
  pages={1410-1413}
}
A low-complexity and low-power all-analog circuit is proposed to perform efficiently Analog Joint Source Channel Coding (AJSCC. [] Key Result Field testing results indicate that the design is feasible for low-complexity and low-power systems such as wireless sensor networks for environmental monitoring.

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References

SHOWING 1-9 OF 9 REFERENCES

An ultra low-power low-voltage track and latch comparator

An ultra low-power comparator which is able to operate at a very low supply voltage is proposed, which is achieved by using a new switching scheme that turns off the comparator after the decision is made.

Experimental Evaluation of Analog Joint Source-Channel Coding in Indoor Environments

Experimental evaluation carried out in an indoor environment making use of a wireless testbed show that the performance perfectly matches that originally reported by simulations in additive white Gaussian noise channels for signal-to-noise ratio values below 20 dB.

Analog Joint Source Channel Coding for Wireless Optical Communications and Image Transmission

An analog joint source channel coding (JSCC) system is developed for wireless optical communications that does not require long block lengths to achieve good performance reducing the complexity of the decoder significantly.

A 0.8-V, 8-/spl mu/W, CMOS OTA with 50-dB gain and 1.2-MHz GBW in 18-pF load

A low-power low-voltage OTA with rail-to-rail output is introduced. The proposed topology is based on the common current mirror OTA topology and provide gain enhancement without extra power

Spatial Diversity Using Analog Joint Source Channel Coding in Wireless Channels

It is shown that the MMSE implementation of the analog scheme performs very close to the unconstrained capacity of digital schemes using scalar quantization, while its complexity is much lower than that of capacity-approaching digital systems.

Evaluation of Analog Joint Source-Channel Coding Systems for Multiple Access Channels

We address the evaluation of low-complexity analog Joint Source Channel Coding (JSCC) methods for the transmission of discrete-time analog symbols over Multiple-Input Multiple-Output (MIMO) Multiple

Using 2:1 Shannon mapping for joint source-channel coding

The Archimedes' spiral can be used as a 2:1 bandwidth reducing mapping in a joint source-channel coding (JSCC) system and the total distortion of this JSCC system is minimised when the distortion contributions from the approximation noise and channel noise are equal.

Communication in the presence of noise

  • C. Shannon
  • Computer Science
    Proceedings of the IEEE
  • 1984
A method is developed for representing any communication system geometrically and a number of results in communication theory are deduced concerning expansion and compression of bandwidth and the threshold effect.

Device method and system for communicating data

  • Jan. 2014, US Patent 8,625,709.
  • 2014