ComSpace wins patent for DC/MA
The U.S. Patent and Trademark Office has awarded ComSpace, Coppell, TX, a patent for its Digital Channel Multicarrier Architecture technology that delivers spectrum efficiency to the wireless world. Patent No. 6,252,910, “Bandwidth Efficient QAM on a TDM-FDM System for Wireless Communications,” is an encompassing system patent for DC/MA, which is ComSpace’s core technology.
DC/MA can create growth opportunities for wireless operators who are constrained by the supply of licensable spectrum and the escalating cost of new spectrum, when and if it becomes available. As a result, operators’ growth must come through more efficient use of existing spectrum. DC/MA is a spectrum-efficient, air-interface technology that increases voice and data capacity or wireless communications channels regardless of frequency and bandwidth. ComSpace’s initial product accomplishes this by dividing a single 25kHz channel into eight independent, non-interfering voice and data channels, while providing enhanced voice clarity and coverage equal to FM systems.
With patent protection secured, ComSpace can license its technology much more aggressively on an OEM basis to wireless equipment manufacturers, according to the company press release.
The newly issued patent was invented by Randall J. West, ComSpace senior vice president and Robert Joseph McCarty Jr., senior fellow.
ComSpace has more than 20 patents pending for additional DC/MA-supporting technologies that will provide new features and address technical issues facing the wireless communications industry today. ComSpace received FCC-certification for its DC/MA-based repeaters and mobile radio subscriber units in March 2001.
