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7620094 |
Spread spectrum clock generator
Disclosed is a spread spectrum clock generator which includes: a first delay control type oscillator that variably controls an oscillation period at a control period interval according to a control...
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7620022 |
TDMA communications apparatus
A CPU of a TDMA communications apparatus examines whether a slot to be allocated for a next transmission is a first slot (S 1 ). If the slot to be allocated is the first slot, the CPU examines...
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7620021 |
Method, base station and mobile station for timeslot selection and timeslot assignment
A timeslot selection method is provided. The timeslot selection method includes the steps of: obtaining a propagation loss; receiving an occupation state and an interference amount of an uplink...
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7620019 |
Space division multiple access scheduling
Space division multiple access scheduling for a transmitter having an antenna array with multiple beams includes determining, and storing at the transmitter, angles of arrival of signals and...
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7616602 |
Method and system for wireless local area network (LAN) communication using virtual time division multiple access (TDMA)
A time division-based wireless LAN communication method by use of an AP in an infrastructure mode, including, on the AP's side, receiving a time slot allocation request frame from a station,...
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7616565 |
Network communication scheduling
A method to schedule network communications includes determining nodes within a network, forming a node list based on the nodes in the network, determining a network schedule of communications for...
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7613162 |
Mobile device, system and method for enhanced channel allocation when radio resource connection is released while in dual transfer mode
A mobile device, system, and method are disclosed for use in a wireless communication system during the mobile device's transition from a dual mode, in which a packet switched connection and...
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7613146 |
Method and system for reliable data transmission in wireless networks
A method for transmitting data from a sender node to a receiver node in a wireless network including (a) sampling a main network frequency and at least one backup frequency, (b) transmitting a...
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7613144 |
Systems and methods for multiplexing control data for multiple data channels onto a single control channel
Systems and methods for communicating control data for multiple data channels using a single control channel. In one embodiment, a method is implemented in a WCDMA communications system. This...
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7610059 |
Method and system wherein timeslots allocated for common control channels may be reused for user traffic
A method and system is disclosed wherein timeslots designated in a wireless communication system as Common Physical Channel (CPCH) timeslots may be reused for user traffic. A CPCH timeslot used in...
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7610046 |
System and method for enhancing the performance of wideband digital RF transport systems
A system and method for enhancing the performance of wideband digital RF transport systems is disclosed, which enables the transport of different bandwidth segments on a plurality of wideband...
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7609681 |
Communication apparatus and coexistence method for enabling coexistence of communication systems
In-home communication systems 110 and 130 and an access communication system 120 that are capable of co-existing. The communication systems 110 and 130 and the access communication system...
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7606294 |
Channel quality estimation method and receiving apparatus
Channel quality can be detected accurately in a wireless transmission system such as an HSDPA method. In the case of estimating a channel quality of a signal transmitted by a Code Division...
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7602763 |
Distribution of frame synchronization information at base station
A method and system distributes frame synchronization information at a base station implementing air interfaces of at least two different standards and to a base station implementing air interfaces...
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7602761 |
Call access control method
The present invention discloses a call access control (CAC) method applicable to call access during call initiation and cell switching in TDD-CDMA mobile communication system. The method comprises:...
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7593705 |
Radio receiver and gain control method
A radio receiver includes a branching unit, a first gain-control system, a second-gain control system, and a signal processing unit. The branching unit branches a radio signal received by the radio...
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7593450 |
Dynamic frequency hopping
A frequency hopping communications system is disclosed. A server is adapted to have one or more radio head interface modules and a call processing software module. The call processing software...
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7590080 |
Channel assignment to maximize battery efficiency in wireless systems
A method for maximizing battery efficiency of a wireless transmit/receive unit (WTRU) is disclosed. In one embodiment, a predetermined number of high-speed shared control channels (HS-SCCHs) are...
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7586992 |
Apparatus and method for channel estimation and cyclic prefix reconstruction in an OFDM-STBC mobile communication system
An apparatus and method for channel estimation and CP reconstruction in an OFDM-STBC mobile communication system are provided. An ISI canceller cancels ISI signal components from first and second...
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7586972 |
Code division multiple access enhanced capacity system
A code division multiple access (CDMA) communication system using spread spectrum signaling over a communication bandwidth uses two different signal spectra generated using two different respective...
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7586893 |
Radio communication system, radio communication control method, radio communication apparatus, control method for radio communication apparatus, and computer readable medium utilizing a divided transmission frame
A radio communication system, a radio communication control method, a radio communication apparatus, a control method for a radio communication apparatus, and a computer program make it possible to...
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7586883 |
Method for improving the transmission speed in multi-slot CDMA wireless communication system
The present invention discloses a method for improving the performance of the CDMA TDD wireless communication system. It is a method for increasing the transmission rate in a multi-slot CDMA...
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7586877 |
Method and system to determine and communicate the presence of a mobile device in a predefined zone
A method and system to provide a notification is described. The system may comprise a first mobile device including a positioning component to determine when the first mobile device is proximate at...
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7583735 |
Methods and systems for handling underflow and overflow in a software defined radio
Systems and methods for handling buffer overflows and underflows in a software defined radio are presented. A communications system comprises one or more radio head interface modules and a call...
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7583652 |
Wireless communication apparatus
The wireless communication apparatus includes transmitter modules and receiver modules for carrying out transmission/reception via a plurality of antenna beams formed by an adaptive array antenna...
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7583625 |
Access point multi-level transmission power and protocol control based on the exchange of characteristics
A wireless access point and multiple wireless terminals exchange utilization, status, mobility and reception characteristics. Each wireless terminal generates reception characteristics based on...
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7580674 |
Intelligent interface for controlling an adaptive antenna array
An antenna control interface is integrated with common integrated circuit components, such as radio transceiver or baseband modem signal processing control logic. The antenna control interface...
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7577129 |
Supporting multiple logical channels in a physical interface
A supervisory communications system (such as, a headend cable modem termination system) manages communications with a plurality of remote communications devices (such as, a cable modem). The...
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7577116 |
Timeslot assignment mechanism for satellite communication network
A time division multiple access (TDMA) waveform for controlling a MIL-STD-188-183 compliant demand assignment multiple access (DAMA) satellite communication network contains a short duration and...
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7577114 |
Method for controlling a mobile communication device to enter a power-saving mode and to recover timing after the mobile communication device leaves the power-saving mode
A method for controlling a mobile communication device to enter a power-saving mode and to recover timing after the mobile communication device leaves the power-saving mode. The mobile...
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7574229 |
Output power control in multislot uplinks
In a time division multiple access (TDMA) communication system, mobile stations are given slot allocations and output power levels by base stations. This can lead to situations where the...
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7573915 |
Method and apparatus for transporting network management information in a telecommunications network
Network management information (NMI) contained in a first set of byte locations of a received frame is relocated to a second set of byte locations of another frame. The NMI is then transported...
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7570627 |
Method for sharing bandwidth using reduced duty cycle signals and media access control
A method is provided for transmitting data. A first device generates a first signal having a first duty cycle, comprising a first gated-on portion and a first gated-off portion in a time slot; and...
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7567533 |
Packet detection system, packet detection device, and method for receiving packets
A packet detector for a multi-band orthogonal frequency division multiplexing system includes a plurality of packet detection units each corresponding to a time frequency code for detecting packets...
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7564830 |
System and method for terminating a voice call in any burst within a multi-burst superframe
A system and method for effectively and reliably terminating a voice call in any burst within a multi-burst superframe. A transmitting unit generates a termination burst upon detecting a dekey...
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7564829 |
Allocation of radio resource in orthogonal frequency division multiplexing system
An uplink capacity is increased by a method in which more than two mobile stations simultaneously use a radio resource allocated to one mobile station. A method of allocating a radio resource in an...
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7564784 |
Method and arrangement for transferring information in a packet radio service
Data may be transferred on a packet radio network by creating a connection between two network entities. The data flow may contain active and passive periods. A connection may be maintained during...
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7561624 |
Multi-interval line coding for high speed data communication
Binary data signal multi-line interval encoding and decoding arrangements supporting high speed data communications consistent with certain embodiments produce a signal having a plurality of pulses...
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7561542 |
System, method and apparatus for determining if data from a source has arrived properly at a destination in a time division multiplex (TDM) communication network
A first time division multiplex (TDM) time slot is provided which is defined as a bi-directional channel for use in a TDM network including a source node and a destination node. The source node can...
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7558587 |
System and method for dynamically selecting wireless information communication modes for a wireless communication device
A system, method, and wireless device for dynamically selecting a wireless information communication mode for wireless communication of information to at least one wireless device ( 104 ). The...
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7555300 |
Base station interference control using timeslot resource management
A personal base station configured to connect to the Internet and establish a small area of wireless coverage including means for controlling interference with neighboring personal base stations...
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7555267 |
Network communication system wherein a node obtains resources for transmitting data by transmitting two reservation requests
A network node in a communication system makes two reservation requests to a controller node in order for the network node to obtain resources from the controller to transmit data. In the network,...
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7554947 |
Resource allocation in a packet-based radio communication system
A scheme for resource allocation for variable rate users in a packet-based radio communication system such as a UMTS TDD system is based on a representation ( 200 ) of the resource space organized...
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7551665 |
Ultra wideband receiver architecture using high order Gaussian pulses and method of operation
An ultra wideband (UWB) receiver system operable to process a high order Gaussian pulse includes an integrator group, a correlator circuit and a comparator circuit. The integrator group includes an...
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7551595 |
Fast macrodiversity switching in mobile wireless networks
Fast macrodiversity switching (FMS) of channels that employ interleaving. The fast macrodiversity switching dynamically switches radio links used for traffic and control channels for a mobile...
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7545826 |
Radio communication system, device and method for radio communication, and computer program
A radio communication device that manages a network defines a predetermined transmission frame cycle, allocates in the frame specific access slots as timing with which the individual radio...
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7545787 |
Simultaneous operation of wireless LAN and long-range wireless connections
A method for communication includes establishing a first connection between a wireless terminal and a base station of a long-range wireless data network, which operates in accordance with a first...
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7539493 |
Method and apparatus for indicating preferred layer information in multimedia broadcast/multicast service (MBMS)
A method is disclosed for transferring preferred frequency information in a mobile communication system which establishes a preferred frequency layer and a non-preferred frequency layer for a...
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7539460 |
Method and tester for determining an error rate of a mobile-telephone device, especially for USF-BLER
A method and apparatus for determining an error rate is described, in which a transmission block having an allocation signal is received by a mobile communications device that is to be tested. The...
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RE40715 |
Method and means for allocating time slots in a TDD system
Method and apparatus for allocating time slots in a time division duplex communication system. First and second types of time slots selected from receiving and transmitting type time slots are...
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