In the 802.11g standards battle, PBCC eventually lost ground to OFDM, or Orthogonal Frequency Division Multiplexing, as the modem of choice. The technique TI uses to boost turbo Wi-Fi's speed is known as PBCC (Packet Binary Convolutional Coding).
Csiro claims its patent covers a core method for transmitting wireless signals that use orthogonal frequency division multiplexing (OFDM) modulation, which breaks signals into different parts to transmit data simultaneously over different...
The opposing technology approaches are orthogonal frequency division multiplexing (OFDM) and direct sequence (DS)-UWB. The former method, backed by Intel, is more complex: it chops up the signal and sends it over multiple frequency bands.
The network relies on Nortel's Dense Wave Division Multiplexing to offer speeds of up to 10Gbps. Esprit Telecom has launched a networks division devoted to selling bandwidth to rival carriers. The companies are already using Esprit's London-Paris...
The system will link over 20 cities in Poland initially using DWDM (dense wave division multiplexing) technology to provide telephony services. Lucent Technologies has won a $17m contract to build a high-capacity optical voice network for Poland's...
It is made up of four pairs of fibre-optic cable and uses synchronous digital hierarchy and wave division multiplexing. The cable is a TAT-14 which will link Denmark, France, Germany, the Netherlands and the UK.
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