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| Number | Title | Issue Date |
| 8180355 | Base station device and cell forming method A base station device includes a plurality of directional antennas, a power control unit and a frequency management unit. The cell is formed with layers of a base cell having a cell border with a cell formed by a neighboring base station device and including a plura... | 05/15/2012 |
| 8180354 | Method for allocating radio resource in multi-carrier time division duplex mobile communication system A method for distributing wireless resource in multicarrier time division duplexing mobile communication system, such as TD-CDMA system, to overcome the shortage of 3GPP single carrier cell channel distribution technology of covering more lager area in composing cel... | 05/15/2012 |
| 8165591 | Process to allocate channels in a sectorized cellular network The invention disclosed is a process to allocate channels in a sectorized cellular network. A system of allocating cellular frequencies (channels) to the sectors among the cells within a tile is disclosed which maximizes channel set usage within the tile while avoid... | 04/24/2012 |
| 8165592 | System and method for creating a wireless picocell A system and method are provided for creating a picocell service alternate to a wireless network service. The method comprises: detecting a multiple access (MA) wireless communications network, such as a terrestrial or satellite network; and, generating a first pico... | 04/24/2012 |
| 8145223 | Inter-cell interference mitigation A method and controller for reducing inter-cell interference within a Coordinated Multi-Point (CoMP) cellular network architecture. Multiple CoMP cells in the network architecture are grouped into a number of mutually exclusive subsets. The CoMP cells in each subset... | 03/27/2012 |
| 8103280 | Wireless frequency re-use determination systems and methods A method of measuring frequency interference between adjacent cell sites in a wireless telecommunications system. The method includes selecting a frequency in a cell site to be used as a beacon frequency. The method also includes activating the beacon frequency in t... | 01/24/2012 |
| 8103281 | Communication method, base station, and user terminal for a wireless communication network The present invention comprises a method for communicating in a wireless communication network (1) comprising a number of cells (2.1, 2.2, 2.3) served by respective base stations (3). According to the proposed method, the following steps are per... | 01/24/2012 |
| 8068841 | Multi-carrier communications methods and apparatus Methods and apparatus for implementing a multi-carrier communications system are described. Various approaches to a phased system deployment and system configurations resulting from different levels of deployment are described. In addition mobile node and methods of... | 11/29/2011 |
| 8036669 | Orthogonal resource reuse with SDMA beams A wireless communication system can implement beamforming across multiple omni-directional antennas to create beams at different spatial directions. The communication system can arrange the beams in sets, with each set arranged to provide substantially complete cove... | 10/11/2011 |
| 8023954 | Systems and methods for controlling a cellular communications system responsive to a power level associated with a wireless transmitter A cellular communications system includes a wireless transmitter that is configured to transmit over a set of frequencies that is assigned to a given cell of the cellular communications system from a band of frequencies that is assigned to the cellular communication... | 09/20/2011 |
| 7983685 | Method and apparatus for management of a global wireless sensor network Methods and apparatus for global wireless sensor network architecture and protocol for remote supervision, asset control and operational management based on localized clusters of autonomous sensor/supervision/operational sensor nodes capable of ad hoc interconnectio... | 07/19/2011 |
| 7979074 | Method and system for creating and deploying a mesh network A method and system for creating and deploying a mesh network are disclosed. In one embodiment, the method comprises providing a mesh router having a plurality of radios. The mesh router is used in a cell of a plurality of cells that covers a geographic region. Chan... | 07/12/2011 |
| 7890113 | Method, base station and mobile station for tdd operation in a communication system A method, NodeB (320) and User Equipment (330) for TDD operation in a communication system operating in TDD mode in a frequency band allocated for FDD operation. Preferably, operation is in TDD uplink and downlink mode in a first frequency band designa... | 02/15/2011 |
| 7881721 | Channel sounding techniques for a wireless communication system A technique of operating a wireless communication system includes determining respective geometries of multiple subscriber stations, which include a first subscriber station and a second subscriber station, with respect to a serving base station. Respective channel ... | 02/01/2011 |
| 7835750 | Multi-carrier wireless network using flexible fractional frequency reuse A base station for use in a wireless network capable of communicating according to a multi-carrier protocol. The base station communicates with subscriber stations using a first pre-defined set of subcarriers. If the base station determines that no additional subcar... | 11/16/2010 |
| 7822420 | Method and base station for allocating a channel required for a radio transmission For a radio transmission between a subscriber station and a base station in accordance with a hybrid multiple access method (e.g. CDMA, FDMA, TDMA), unambiguous descriptions for the usable transmission resources in the uplink and downlink are proposed to obtain effi... | 10/26/2010 |
| 7801532 | System and method for transmitting/receiving signal in a frequency overlay communication system A method for transmitting a signal by a transmitter in a frequency overlay communication system. The method includes generating y first signal groups by shuffling input information data with a length yN on an N-by-N grouping basis according to a first shuffling sche... | 09/21/2010 |
| 7792532 | Method and system of reusing walsh code to increase forward channel capacity Assigning CDMA channel codes in a multiple beam zone sector such that they may be reused within the same sector. In an exemplary embodiment, the method includes configuring directional antennas in a cell sector to provide multiple beam zones in a cell sector and ass... | 09/07/2010 |
| 7756519 | Interference mitigation technique A backhaul network for a mobile wireless network including a plurality of nodes forming links, the links utilizing a 1:n frequency re-use scheme in backhaul communication, where n equals 2 to about 16, wherein each link communicates over a different portion of an en... | 07/13/2010 |
| 7751822 | Systems and methods for frequency reuse in wireless networks A frequency reuse scheme that provides high spectral efficiency and reduced interference in areas where cell sites overlap is provided. Three frequencies are allocated per cell site, with each sector employing two frequencies, one frequency being transmitted at a hi... | 07/06/2010 |
| 7738875 | Method and apparatus to estimate relative base station and subscriber terminal locations and using it to increase frequency reuse Method for estimating position information of base stations as well as terminals for three dimensional centralized real-time spectrum management to achieve high spectral efficiency. In one aspect of the invention, the method comprises i) understanding the position i... | 06/15/2010 |
| 7720483 | Apparatus and method for assigning sub-channels in an OFDMA system A sub-channel assignment apparatus and method of minimizing interference caused by sub-channel frequency overlaps when assigning sub-channels for sectors of a base station in an OFDMA system of a FDMA type. The apparatus includes: a plurality of sector channel manag... | 05/18/2010 |
| 7715845 | Tone hopping methods and apparatus Methods and apparatus for allocating and hopping tones for uplink communications purposes in adjacent sectors and neighboring cells of an OFDM system are described. Physical tones used in each sector and cell are allocated to tone hopping sequences according to a to... | 05/11/2010 |
| 7715846 | Versatile system for adaptive subchannel allocation in wireless communications Dynamic and asymmetric sub-channel allocation in a wireless communications system—particularly an orthogonal frequency division multiple access (OFDMA) system—is disclosed. The methods and constructs of the present disclosure identify a plurality of cells, each ... | 05/11/2010 |
| 7711372 | Method and system for radio-independent predictive handoffs in a wireless network According to one embodiment of the invention, a method includes determining, at a base station, at least one usability factor providing a relative measure of the desirability of receiving control of a mobile unit. The method also includes communicating, from a base ... | 05/04/2010 |
| 7693525 | Radio frequency assigning apparatus, wireless communication system, and radio frequency assigning method A radio channel allocation apparatus of a node in a radio communication system which controls to allocate a radio channel between nodes by a virtual carrier sense is disclosed. The radio channel allocation apparatus includes a node information collecting unit which ... | 04/06/2010 |
| 7623867 | Satellite communications apparatus and methods using asymmetrical forward and return link frequency reuse Communications are conducted between a space-based component of the wireless communications system and radioterminals using a plurality of forward link cells and a plurality of return link cells, the return link cells having a greater number of cells per frequency r... | 11/24/2009 |
| 7599696 | Frequency reuse techniques in mote-appropriate networks Mote appropriate networks employing multiple frequencies, such as those utilized in frequency reuse techniques. ... | 10/06/2009 |
| 7548752 | Feedback to support restrictive reuse The scheduler in a base station needs CQI information from a terminal for all reuse sets every 5 ms. to decide on which re-use set to schedule a given terminal. For MIMO users, the problem is that the CQI cannot be reconstructed for all re-use sets, using the curren... | 06/16/2009 |
| 7515912 | Method for deployment scheduling for mobile communication network A method for deployment scheduling for a mobile communication network is disclosed. The mobile network is to be changed from a first network plan to a second network plan, and both the first and second network plans include a plurality of BSC (base station controlle... | 04/07/2009 |
| 7489932 | Channel assignments within a mesh network Embodiments of methods of assigning a channel to a link of an access node within a wireless mesh network, is disclosed. The method includes the access node receiving beacons over multiple channels, from at least one upstream device, and the access node selecting an ... | 02/10/2009 |
| 7474895 | Frequency reuse in wireless communication networks Methods and systems for implementing frequency reuse techniques in wireless communication systems such as OFDM systems. ... | 01/06/2009 |
| 7450947 | Method and apparatus for dynamic spectrum sharing A technique for dynamic spectrum sharing includes identifying (705) a plurality of radio nodes (115, 120), measuring (710) a local signal value (SV) at each radio node (110, 200), and determining (715) a transmit decision. Each rad... | 11/11/2008 |
| RE40564 | Cellular communications system with sectorization A method and apparatus for sectorizing coverage of a cellular communications area includes providing a remote unit having microcell antenna units. Each microcell antenna unit is configured to cover a particular sector. The remote unit is connected to a sectorized ba... | 11/04/2008 |
| 7444152 | Signaling and routing protocols for an integrated cellular and relaying system The present invention provides signaling protocols that enable an integrated cellular relaying system to support a call for a wireless terminal. In embodiments of the invention, the wireless terminal is redirected to a relaying path corresponding to at least one rel... | 10/28/2008 |
| 7440758 | Cell planning methods and apparatus, and networks configured based on same Coverage areas for wireless networks are divided into a plurality of cells that are arranged in rows. Channel frequencies are assigned to cell sectors and associated with respective antenna axes. The antenna axes of adjacent rows are alternatingly rotated, thereby r... | 10/21/2008 |
| RE40540 | Apparatus and methods for networking omni-modal radio devices A network and method of operating a network of wireless service providers adapted to interact with a plurality of omni-modal wireless products within a given geographic area in a manner to permit the wireless service providers to “borrow” radio frequencies from ... | 10/14/2008 |
| 7433683 | System for fast macrodiversity switching in mobile wireless networks Fast macrodiversity switching (FMS) dynamically switches radio links used for traffic and control channels for a mobile station among a number of base transceiver stations (BTS) without changing the radio resource, that is, using the same frequency and time slot com... | 10/07/2008 |
| 7433692 | Method for dimensioning a mobile telecommunications network A method for assessing the characteristics obtainable in a network for mobile telecommunications apparatuses suitable for managing calls with both data traffic and/or voice and data traffic. On the basis of the performance requested for the quantity and characterist... | 10/07/2008 |
| 7433708 | Variable bandwidth in a communication system A method, device, and system that use narrowband channels to provide higher re-use without multiplying the operator spectrum requirement. If a communication system supports variable carrier bandwidth channels, the narrow channel capacity can be divided among adjacen... | 10/07/2008 |
