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Multiplex Communications > Communication Techniques For Information Carried In Plural Channels > Combining Or Distributing Information Via Frequency Channels Combining Or Distributing Information Via Frequency ChannelsCombining Or Distributing Information Via Frequency Channels patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/22/07 - 20070268934 - Digital wireless voice and data modem Simultaneous transmission of voice and data over the voice channel of a digital wireless communications network, such as a “cell phone” network, is reconfigurable on the fly among multiple operating modes, including a lull detection mode in which data is transferred during a lull or quiet period in the voice ... 11/15/07 - 20070263665 - Systems for contention-based bandwidth requests in orthogonal frequency division multiplexing systems Systems for contention-based bandwidth requests in orthogonal frequency division multiplexing (OFDM) systems are provided. In one embodiment, a bidirectional communication system comprises: a multipoint-to-point host; and a plurality of remotes communicatively coupled to the multipoint-to-point host through an OFDM waveform; wherein the multipoint-to-point host is configured to receive the OFDM ... 10/18/07 - 20070242699 - Multi-carrier signal transmitting apparatus and multi-carrier signal receiving apparatus In transmitting first information necessary for gaining synchronism of transmission signal and second information which is the other information by determining a break of a single modulation unit with a simple structure and processing prior to Fourier transformation on the side receiving a signal transmitted as a multi-carrier signal, a ... 10/11/07 - 20070237182 - Contention-based access in multipoint-to-point communication using orthogonal frequency division multiplexing Systems for contention-based access in multipoint-to-point communication using orthogonal frequency division multiplexing are provided. In one embodiment, a system comprises a host unit; a plurality of remote units using a multiple access scheme to communicate at the same time with the host unit using orthogonal frequency division multiplexing (OFDM); wherein ... 05/17/07 - 20070110104 - Resource allocation in cellular communication systems A method for assigning resources to FS and FNS users, for example, in an OFDM wireless communication system, including assigning a first frequency resource to at least one FS user during a time interval, wherein the first frequency resource includes at least two near contiguous sub-carriers, and assigning a second ... 03/15/07 - 20070058680 - Apparatus and method for multimedia data transmission and reception in cable network using broadband and physical layer frame structure Provided are an apparatus and a method for multimedia data transmission in a cable network using a broadband and physical layer frame structure. The apparatus includes an external network matching module for transmitting data inputted/outputted from/to an external network to a Data Over Cable Service Interface Specification (DOCSIS) Media Access ... 01/25/07 - 20070019679 - Mobile communications network with multiple radio units A wireless communications system comprising: a plurality of radio units each comprising at least one antenna for receiving a radio frequency signal over a wireless interface, a converter for converting the radio frequency signal to a digital signal and a digital link for conveying the digital signal; a digital combiner ... 07/27/06 - 20060165127 - System and method for broadband network communication through operational natural gas infrastructures The present invention generally relates to ultra-wideband communications. More particularly, the invention concerns a method of broadband communication by transceiving ultra-wideband signals through an active local underground natural gas distribution network such as a local or regional piping system. ... 04/06/06 - 20060072621 - Intelligent, self-aware powerline conditioning and communication node Powerline networks are inherently noisy and subject to power surges, spikes, and other events. Devices exist to combat these issues and protect electrical appliances that are connected downstream from the power sources for theses devices, but these devices usually also severely limit data communication that may also be desired on ... 01/26/06 - 20060018344 - Approximate bit-loading for data transmission over frequency-selective channels A high-speed communications system utilizes approximate bit-loading during data transmission in a channel. In one embodiment, a plurality of parallel data preparation circuits in a data transmission circuit receive respective subsets of a data stream, each of the respective subsets of the data stream having a data rate that is ... 12/08/05 - 20050271086 - System and method for an intelligent load center with integrated powerline communications network switching and network management capabilities In a typical powerline communications environment, all electrical outlets and branches are connected to a load center. In this type of electrical system, all communication devices will share the same frequency spectrum, limiting the maximum bandwidth of the network, where all nodes are in contention with each other. In the ... 12/01/05 - 20050265394 - Wideband cable modem with narrowband circuitry A hybrid cable modem includes wideband circuitry configured to receive data over multiple different downstream channels at the same time. The wideband circuitry demodulates signals on the different downstream channels and then formats the demodulated signals back into packets or frames for sending out over an Internet Protocol (IP) home ... 09/15/05 - 20050201418 - Mold for a golf ball An improved mold for making a golf ball comprises a pair of mold cups which are assembled together at an angular interlock. An upper mold cup has a projection rim that mates with a recess in the lower mold cup to provide for a substantially perfect registration, wherein the shift ... 08/18/05 - 20050180461 - Method of equalization in an ofdm system An equalization method suitable for use in a receiver in an orthogonal frequency division multiplexing (OFDM) system utilizing a plurality of sub-carriers. The receiver includes an outer receiver for decoding. The equalization method includes receiving an input signal including at least one preamble symbol containing a training sequence and a ... 08/04/05 - 20050169314 - Method for the transmission and distribution of digital television signals A system for the end-to-end delivery of digital television signals. In a preferred embodiment a digital television signal is: received from production equipment, typically in HD format at approximately 1.4 gigabits per second (Gbps); the received signal is transmitted to a venue point-of-presence; converted for transmission via a 270 Mbps ... 07/14/05 - 20050152403 - Method and device for frequency adjustment The frequency deviation of a first signal having a short cycle time contained in a received signal is detected and the frequency deviation of a second signal having a long cycle time contained in the received signal is also detected. Then, the frequency deviation of the received signal is determined ... 07/07/05 - 20050147128 - Method and system for conveying multiple calls on a single telephone line A system for implementing multiple communication channels on a single twisted pair transmission line is disclosed. The system derives additional communication channels by way of a separate transceiver unit for each derived line. Each transceiver unit communicates in a separate predetermined frequency band. Each transceiver unit, upon connection to the ... 07/07/05 - 20050147127 - Multicasting data method in a radio communication system The present invention provides a method for receiving broadcast data in a system where broadcast data is transmitted on a plurality of frequencies. A user device monitors (302) a first frequency (108) for broadcast data to be transmitted on the first frequency. The device receives on the first frequency a ... 06/30/05 - 20050141562 - Method for reducing radio interference in a frequency-hopping radio network A method for reducing interference between a first frequency-hopping radio communications network and a second frequency-hopping radio communications network, comprising: predicting a possible collision between a transmission at a first frequency in the first frequency-hopping radio communication network and a transmission at the first frequency in the second frequency-hopping radio ... 06/09/05 - 20050123000 - System for controlling a plurality of equipments A main control apparatus is connected to a single signal line. A plurality of equipments is respectively connected to a multipoint line. Each multipoint line diverges from the single signal line. The main control apparatus sends a control signal to each equipment through the single signal line using a frequency ... 06/09/05 - 20050122999 - System and method for interference mitigation for wireless communication Disclosed are systems and methods which provide interference mitigation by making alternative resources available within areas served by wireless communication links. Embodiments provide multiple channel availability in establishing wireless communication links to facilitate interference mitigation. Time domain techniques, spatial processing techniques, and/or frequency domain techniques may be implemented for spectrum ... ### FreshPatents.com Support - Terms & Conditions |