Method and system for improved traffic management in wireless telecommunication systems
Briefly described, and in accordance with an embodiment thereof, the invention discloses a technique for improved traffic management in a spread spectrum wireless telecommunication network using admis... Read More
Inventors: Corbett, Eddie;, Assignee: Telefonaktiebolaget LM Ericsson (Stockholm, SE) |
Method and apparatus for estimating cell radius and area coverage reliability in a radiotelephone system
An accurate computer implemented method and apparatus for measuring and predicting the RF coverage of single cells is presented. The method measures the distance from the base station to the cell edge... Read More
Inventors: Bernardin, Charles P.; Yee, Meng F.;, Assignee: Nortel Networks Corporation (Montreal, CA) |
Adaptive antenna for use in same frequency networks
Problems of the Prior Art Various problems are inherent in prior art antennas used on mobile subscriber units in wireless communications systems. One such problem is called multipath fading. In multip... Read More
Inventors: Proctor, Jr., James A.; Gainey, Kenneth M.;, Assignee: Tantivy Communications, Inc. (Melbourne, FL) |
Methods and apparatus for characterization, adjustment and optimization of wireless networks
The present invention provides improved techniques for characterizing, adjusting and/or optimizing the overall performance of a wireless network. In an illustrative embodiment of the invention, the ov... Read More
Inventors: Clarkson, Kenneth L.; Hampel, Karl Georg; Hobby, John D.; Mankiewich, Paul Matthew; Polakos, Paul Anthony;, Assignee: Lucent Technologies Inc. (Murray Hill, NJ) |
Method for coverage optimization of multi-frequency assignment system
The present invention is intended to provide a method for optimizing the geographical coverage for each frequency assignment of a multi-frequency assignment wireless communications system employing a ... Read More
Inventors: Lim, Young-sik; Wee, Pyeong-hwan;, Assignee: Samsung Electronics Co., Ltd. (KR) |
Flexible direct and shared termination call processing
OF THE PREFERRED EMBODIMENTS FIG. 1 is a block diagram depicting flexible direct termination calls (Flex DTC) and FIG. 3 is a block diagram depicting flexible shared termination calls (Flex STC) acco... Read More
Inventors: Welter, Jr., William G.;, Assignee: MCI Corporation (Washington, DC) |
Key telephone system provided with telephone sets connectable to add-on modules
With these problems in mind, therefore, it is the object of the present invention to provide a key telephone system which can reduce the number of the composing elements of the ADM and markedly increa... Read More
Inventors: Komuro, Isaku;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Method and apparatus for performing selection and distribution in a communication system
OF THE DRAWINGS To address the need for selection within a communication system, a method and apparatus for performing selection/distribution within a communication system is provided. In the preferr... Read More
Inventors: Neumiller, Phillip D.; Popowski, Paul M.; Rotstein, Ron;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Method and system for overhead message updates
This invention provides a method for reducing the time for a mobile to update overhead messages prior to making an access attempt, thereby improving the call origination success rate. The method takes... Read More
Inventors: Kamel, Raafat Edward; Meyers, Martin Howard; Sanders, Charles Albert; Weaver, Carl Francis;, Assignee: Lucent Technologies, Inc. (Murray Hill, NJ) |
Portable radio transceiver having rotary antenna
An object of the present invention is to provide a portable radio transceiver which can improve the transmission/receiving sensitivity of its antenna and give a high portability. A portable radio tran... Read More
Inventors: Tsugane, Yoshiyuki; Nagai, Michio;, Assignee: NEC Corporation (Tokyo, JP) |
Telecommunication system with remote call pick-up capabilities
It is an object of the present invention to provide a solution to this need by providing an enhanced remote call pick-up feature for analog telephones. In accordance with an embodiment of the present ... Read More
Inventors: Ardon, Menachem Tsur;, Assignee: Lucent Technologies Inc. (Murray Hill, NJ) |
Wireless-wireline communication selection mechanism resident in craftsperson's portable test and communications device
The present invention is directed to a prescribed communication path establishment mechanism that is incorporated into the craftsperson's portable unit and in the communications equipment of the atten... Read More
Inventors: Schillaci, Onofrio; Horton, Michael D.;, Assignee: Harris Corporation (Melbourne, FL) |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST*** *** NO IMAGES AVAILABLE***
Description:... Read More
Inventors: , Assignee: |
Private branch exchange and line exchange method
It is therefore an object of the present invention to effectively utilize an extension terminal when an incoming call which specifies a destination terminal is received. It is another object of the pr... Read More
Inventors: Izumi, Michihiro;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Facsimile apparatus with internal capabilities to directly connect to an external information processor
An object of the present invention is to provide a facsimile apparatus with which the above-mentioned conventional problems that are caused by the cancellation of the facsimile modem mode in re-dial w... Read More
Inventors: Nakamura, Mitsuhiro; Shibata, Kohichi;, Assignee: Mita Industrial Co., Ltd. (Osaka, JP) |
System for monitoring carriers of peripheral zones
Accordingly, the present invention, in consideration of the above-mentioned problem, has as its object the provision of a system for monitoring carriers of peripheral zones which enables a mobile unit... Read More
Inventors: Ishi, Haruhiko;, Assignee: Fujitsu Limited (Kanagawa, JP) |
Electronic gating control for manual telephone switchboard
These and other objects of the present invention are accomplished by the present invention which provides an electronic gating circuit mounted on a printed circuit board (PCB) and designed to operate ... Read More
Inventors: Brittain, Donald; Boutin, Germain;, Assignee: Guardian Telecommunications Systems, Inc./VASA Engineering (Fairfax, VA) |
Telecommunication system comprising subscriber connection units having independent routing ability
The present invention provides a subscriber connection unit having independent routing ability for a telecommunications network having an intelligent network structure, said network including exchange... Read More
Inventors: Ballard, Michel; Issenmann, Edouard;, Assignee: Alcatel Cit (Paris, FR) |
Communication network call traffic manager
OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention is now described with reference to the figures where like reference numbers indicate identical or functionally similar ele... Read More
Inventors: Fischer, Kenneth J.; Mullins, Samuel R.; Ethier, Randall P.;, Assignee: MCI Communications Corporation (Washington, DC) |
Handover in a mobile communication system having a multilayer radio coverage
OF THE INVENTION The present invention can be applied in any cellular mobile communication system. In the following, the invention will be described in greater detail with reference, by way of exampl... Read More
Inventors: Salonaho, Oscar;, Assignee: Nokia Telecommunications Oy (Espoo, FI) |
Method for an admission control function for a wireless data network
OF THE PREFERRED EMBODIMENT In networks in general, and in wireless data networks in particular, resources must be reserved in order to provide users with guaranteed quality of service (QoS) levels. ... Read More
Inventors: Scholefield, Christopher; Ono-Tesfaye, Theodore;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Method and apparatus for maintaining connectivity of nodes in a wireless local area network
It is therefore an object of the present invention to provide a wireless local area network (LAN) in which the node participates in the coordination of the handoff process. It is a further object of t... Read More
Inventors: Rom, Raphael;, Assignee: Sun Microsystems, Inc. (Mountain View, CA) |
Dual mode subscriber unit for short range, high rate and long range, lower rate data communications
Wireless LANs are generally private networks, that is they are installed, owned, and maintained by a private party, such as a business, educational institution or home owner. Such networks are therefo... Read More
Inventors: Gorsuch, Thomas E.;, Assignee: Tantivy Communications, Inc. (Melbourne, FL) |
Local service handover
What is claimed is: 1. A method in a short range wireless access point for enabling a mobile wireless device to resume an Internet service with a network server, the service having been interrupted by... Read More
Inventors: Heinonen, Tomi; Laitinen, Timo M.; Lempio , Jarkko;, Assignee: Nokia Corporation (Espoo, FI) |
Mixed modulation level communication system
What is claimed is: 1. A transmitting means comprising: first data stream means for generating a first data stream having a plurality of binary bits; second data stream means for generating a second d... Read More
Inventors: DeLuca, Michael J.; Willard, David F.; Schwendeman, Robert J.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Method and apparatus for digital communication
The present invention relates to a digital data communication system for transmitting and receiving a single digital data stream between a first unit at a first location and a substantially like secon... Read More
Inventors: Duncanson, Jay P.; Speckenbach, Stephen J.;, Assignee: Ascend Communications, Inc. (San Francisco, CA) |
Method and apparatus for dynamically allocating bandwidth for a time division multiplexed data bus
A TDM data bus and its associated dynamic assignment and allocation scheme are described wherein the transmission opportunities assigned to a particular system component are spread evenly over an ent... Read More
Inventors: Castrigno, Matthew; Stonebridge, Peter W. J.;, Assignee: Cisco Technology, Inc. (San Jose, CA) |
Communication apparatus for use with public telephone network
It is hence an object of the invention to provide a communication apparatus for use with a public telephone network, capable of securely obtaining information from an information supplying terminal de... Read More
Inventors: Tanaka, Masahiro; Itado, Masaharu;, Assignee: Sharp Kabushiki Kaisha (Osaka, JP) |
Scanning apparatus for detecting and analyzing supervisory and signaling information
Apparatus in accordance with the present invention recognizes transitions between two signaling levels to detect supervisory information (on hook and off hook conditions) and to detect dial pulse sign... Read More
Inventors: Kotler, Frederick; Zlotek, David A.;, Assignee: GTE Sylvania Incorporated (Stamford, CT) |
Oversampled digital-to-analog converter for multilevel data transmission
The present invention is directed to an oversampling digital-to-analog converter (DAC) for responding to successive multibit data words, to produce an output waveform comprised of multiple (L) analog ... Read More
Inventors: Samueli, Henry; Brackert, Ralph H.;, Assignee: PairGain Technologies, Inc. (Cerritos, CA) |
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