convolutional code

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convolutional code

[‚kän·vəlü·shən·əl ′kōd]
(communications)
An error-correcting code that processses incoming bits serially rather than in large blocks.

convolutional code

A type of channel coding that adds patterns of redundancy to the data in order to improve the signal-to-noise ratio (SNR) for more accurate decoding at the receiving end. The Viterbi algorithm is used to decode a particular type of convolutional code. See Viterbi decoder.
References in periodicals archive ?
Additionally, even greater performance can be achieved when the TI Packet Binary Convolutional Coding (PBCC(TM)) modulation option is employed, which allows users to take full advantage of the fastest wireless speeds available in the 2.
The author provides tutorials on convolutional coding and the spreading and scrambling processes which are at the heart of Code Division Multiple Access (CDMA) spread-spectrum techniques.
Additionally, even greater performance can be achieved when the TI Packet Binary Convolutional Coding (PBCCTM) modulation option is employed, which allows users to take full advantage of the fastest wireless speeds available in the 2.
The seminar illustrates the use of SystemVue for communication systems analysis including such things as signal constellations, eye-diagrams, spectra, BER analysis and some principles of convolutional coding.
Its Packet Binary Convolutional Coding (PBCC) modulation technology supports its high data rate of up to 22 Mbps, with automatic fallback to 11, 5.
4GHz 11/22 Mbps Wireless Ethernet Adapter are turbo-charged by an advanced Texas Instruments chipset and Packet Binary Convolutional Coding (PBCC(TM)) modulation to double the standard 802.
Speed and performance are turbo-charged by an advanced Texas Instruments chipset and Packet Binary Convolutional Coding (PBCC(TM)) modulation to double the standard 802.
11b specification are fully supported in the WiFi Library, including Packet Binary Convolutional Coding (PBCC), Short Physical layer Protocol Data Units (PPDU) format and channel agility (frequency hopping).
Turbo Codes can increase the performance of a WLAN by more than 5-dB over traditional convolutional coding techniques.
A dependence of a BER on free space path loss for different noise temperatures without coding and with convolutional coding is shown in Fig.