China's Haier demos UWB-capable camcorder
China's Haier Corp. Tuesday demonstrated a UWB (ultra-wideband)-capable digital camcorder at a government-sponsored exhibition in Beijing. But the demonstration offered only a hint of UWB's potential.
UWB is a short-range wireless networking technology that permits high-bandwidth connections between various devices.
During the demonstration, Haier, of Qingdao, China, showed the camcorder streaming a live video file over a 20M bps connection to a 40-inch plasma display with no distortion or latency, said Freelance Semiconductor Inc., a subsidiary of Motorola Inc., in a statement. The camcorder and display incorporated Freelance's UWB XstremeSpectrum chipset, it said.
The demonstration was made using DS-UWB (Direct Sequence UWB), a single-band variant of UWB which offers throughput of up to 114M bps (bits per second), the statement said.
The statement did not detail specifics of the camcorder and display used in the demonstration or when UWB-based products can be expected to be commercially available from Haier.
Haier's UWB demonstration hinted at the potential UWB offers for high-speed, short-range wireless connections but fell short of the higher bandwidth expected to be offered by UWB-based technologies currently in development.
Vendors including Intel Corp. are pushing faster multi-band UWB technology as an alternative to Bluetooth, which has a throughput of up to 1M bps and is not well-suited to transferring large files, such as video, audio and pictures. Multi-band UWB, which is expected to offer throughput up to 480M bps, is also seen as a replacement for wired networking technologies, such as IEEE 1394 and USB.
Multi-band UWB technology transmits radio pulses in parallel over several spectrum bands. This offers higher bandwidth than single-band DS-UWB, which uses only band of spectrum at a time.
IDG News Service
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