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Ultra-wideband communication through twisted-pair wire mediaRelated Patent Categories: Pulse Or Digital Communications, Spread SpectrumUltra-wideband communication through twisted-pair wire media description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070116097, Ultra-wideband communication through twisted-pair wire media. Brief Patent Description - Full Patent Description - Patent Application Claims
[0001] This application is a continuation of co-pending U.S. non-provisional application Ser. No. 10/746,766, filed Dec. 23, 2003, entitled "Ultra-Wideband Communication Through Twisted-Pair Wire Media," which is a continuation-in-part of U.S. non-provisional application Ser. No. 10/177,313, filed Jun. 21, 2002, entitled "Ultra-Wideband Communication Through a Wired Media," now abandoned. FIELD OF THE INVENTION [0002] The present invention generally relates to ultra-wideband communications. More particularly, the invention concerns a method to transmit ultra-wideband signals through twisted-pair wire media. BACKGROUND OF THE INVENTION [0003] The Information Age is upon us. Access to vast quantities of information through a variety of different communication systems are changing the way people work, entertain themselves, and communicate with each other. For example, as a result of increased telecommunications competition mapped out by Congress in the 1996 Telecommunications Reform Act, traditional cable television program providers have evolved into full-service providers of advanced video, voice and data services for homes and businesses. A number of competing cable companies now offer cable systems that deliver all of the just-described services via a single broadband network. [0004] These services have increased the need for bandwidth, which is the amount of data transmitted or received per unit time. More bandwidth has become increasingly important, as the size of data transmissions has continually grown. Applications such as in-home movies-on-demand and video teleconferencing demand high data transmission rates. Another example is interactive video in homes and offices. [0005] Other industries are also placing bandwidth demands on Internet service providers, and other data providers. For example, hospitals transmit images of X-rays and CAT scans to remotely located physicians. Such transmissions require significant bandwidth to transmit the large data files in a reasonable amount of time. These large data files, as well as the large data files that provide real-time home video are simply too large to be feasibly transmitted without an increase in system bandwidth. The need for more bandwidth is evidenced by user complaints of slow Internet access and dropped data links that are symptomatic of network overload. [0006] Internet service providers, cable television networks and other data providers generally employ conductive wires and cables to transmit and receive data. Conventional approaches to signal (i.e. data) transmission through a transmission medium, such as a wire or cable, is to modulate the signal though the medium at a frequency that lies within the bounds at which the medium can electrically conduct the signal. Because of this conventional approach, the bandwidth of a specific medium is limited to a spectrum within which the medium is able to electrically transmit the signal via modulation, which yields a current flow. As a result, many costly and complicated schemes have been developed to increase the bandwidth in conventional conductive wire and/or cable systems using sophisticated switching schemes or signal time-sharing arrangements. Each of these methods is rendered costly and complex in part because the data transmission systems adhere to the conventional acceptance that the bandwidth of a wire or cable is constrained by its conductive properties. [0007] Therefore, there exists a need for a method to increase the bandwidth of conventional wired networks. SUMMARY OF THE INVENTION [0008] The present invention provides a method to transmit ultra-wideband (UWB) pulses, or signals through any type of twisted-pair wire media. [0009] One embodiment of the present invention employs a multi-band UWB system. In this embodiment, different radio frequency spectra are assigned to each of the of the two twisted-pair wire groups comprising a twisted-pair wire. Any "cross talk," or signal coupling that may occur between each of the twisted-pair wire groups can thereby be identified by the presence of an UWB pulse, or signal at an inappropriate frequency. This cross talk can then be disregarded, or eliminated. [0010] In another embodiment of the present invention, a single-band UWB system, most, if not all of, the radio frequency spectrum capability of the twisted-pair wire media may be utilized. In this embodiment, UWB pulses, or signals may be transmitted at staggered time intervals. [0011] Other embodiments may combine the above embodiments, and transmit UWB pulses having specific radio frequency spectra at staggered time intervals. [0012] One feature of the present invention is that it increases the available bandwidth, or data transmission rate capability, of twisted-pair media by providing additional data transfer capability. In addition, UWB pulses may coexist with other forms of electromagnetic communications, which may, or may not be present on the twisted-pair media. [0013] These and other features and advantages of the present invention will be appreciated from review of the following detailed description of the invention, along with the accompanying figures in which like reference numerals refer to like parts throughout. BRIEF DESCRIPTION OF THE DRAWINGS [0014] FIG. 1 is an illustration of different communication methods; [0015] FIG. 2 is an illustration of two ultra-wideband pulses; [0016] FIG. 3 is a schematic illustration of one embodiment of an ultra-wideband communication system employing a wired medium; [0017] FIG. 4 is a schematic illustration of a second embodiment of an ultra-wideband communication system employing a wired medium; [0018] FIG. 5 is an illustration of different ultra-wideband (UWB) pulses employed in a multi-band UWB system; [0019] FIG. 6 is an illustration the radio frequency bands occupied by the UWB pulses illustrated in FIG. 5; [0020] FIG. 7 is an illustration of one method of time staggering UWB pulses having different center frequencies; Continue reading about Ultra-wideband communication through twisted-pair wire media... 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