channel coding

channel coding

A way of encoding data in a communications channel that adds patterns of redundancy into the transmission path in order to lower the error rate. Such methods are widely used in wireless communications. See convolutional code and Viterbi decoder.
References in periodicals archive ?
Baseband processing encoding andmodulation of Telemetry frames: -Radio frequency and modulation -Telemetry synchronisation and channel coding 2.
Among the topics are spaceborne optical sensors, channel coding, multi-sensor image fusion, increasing the signal-to-noise ratio of satellite sensors using digital de-noising, and reducing the dimensionality of hyperspectral imagery.
During the first session of the annual conference, telecoms experts spoke about issues ranging from resource allocation and scheduling in telecoms project management to channel coding and applications.
By using link adaptation and channel coding, as well as hybrid automatic repeat-request, for each component carrier, the transmission data rate can be increased efficiently.
Each part of wireless link--source coding and channel coding methods, radio wave propagation over wireless channels, and single-carrier and multicarrier modulation techniques--are addressed, as are recent standards like WiMAX, the fundamentals of all existing wireless digital systems developed on the basis of certain standards and protocols, and advanced topics like simulation methodology and software radio, turbo coding, spread spectrum communication, orthogonal frequency division multiplexing (OFDM), multiple-input multiple-output (MIMO) systems, and software radio.
Turbo Code is a promising technique which assisted in attaining a performance approaching the Shannon theoretical limits of channel coding for transmissions over Gaussian channels (Wei et al.
In literature joint source channel coding has been discussed in [3-5].
BARCELONA , Mobile World Congress, February 14 /PRNewswire/ -- Rohde & Schwarz has added channel coding and MIMO precoding for up to four transmit antennas to its industry-leading signal generators for 3GPP LTE (uplink and downlink).
Content will cover supporting applications including channel coding, wireless communications (mobile phones, satellite communications), Internet security, banking transfer security, e-commerce, and embedded security devices.
The company's three wholly owned subsidiaries, US Monolithics, Efficient Channel Coding, and Enerdyne Technologies Inc.
Among specific topics are control plane protocols, synchronization and cell search, link adaptation and channel coding, broadcast operation, uplink reference signals, random access, the radio propagation environment, paired and unpaired spectrum, self-optimizing networks, system performance, carrier aggregation, and additional features of LTE release 10.
Wesolowski (Poznan University of Technology) explains the basic concepts of channel coding theory, digital baseband transmission methods, digital modulations of the sinusoidal carrier, and physical channel properties.