| Cohda Wireless demos WiFi on steroids in Adelaide |
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| by Stuart Corner | |
| Tuesday, 12 December 2006 | |
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"These trials have simulated various [public safety communications] scenarios, including public safety vehicles moving at high speeds [and] maintaining seamless video and VoIP links from the vehicle to a command centre through a challenging outdoor radio frequency environment. Additionally, the command centre is able to track the location of all vehicles via integrated GPS tracking," Cohda claims. Cohda claims that its patent-pending, zero-latency OFDM receiver architecture and algorithms "are interoperable with IEEE standards and designed to exploit all available sources of diversity (time, frequency and spatial), making it essentially impervious to the effects of mobility and multipath outdoors." According to Cohda CEO, Martin Suter, "Cohda Wireless' advanced receiver technology is fundamentally changing the performance characteristics and economics of 802.11 in outdoor, mobile environments, as evidenced by the success of our test deployment." He claimed that "Current 802.11 devices use chips designed for indoor use at pedestrian speeds, and which perform poorly in outdoor, mobile environments. With [the Adelaide] network, Cohda is proving the viability of 802.11 in the most challenging use cases and is able to demonstrate qualitative and quantitative gains over commercial, off-the-shelf Wi-Fi chipsets." |
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