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7623879 |
Method and device for controlling radio access
A method for controlling a number of simultaneous radio connections in a communication device is presented. The control of a number of simultaneous radio connections is carried out in the...
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7623487 |
OFDM system and method for supporting a wide range of mobility speeds
A method and apparatus for wireless communication in which groups of expected mobile device mobility speed ranges are established. A first sub-carrier block arrangement for the group having the...
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7620417 |
Communication terminal apparatus, scheduling method, and transmission power deriving method
A communication terminal apparatus that can perform an appropriate system operation at the network side and also can avoid a reduction in throughput and a reduction in system efficiency. In this...
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7620028 |
Multi-channel binding in data transmission
A system and method are described for binding together a plurality of wireless data communications channels, whereby an aggregate throughput improvement is realized. A master channel amongst the...
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7620013 |
Method and system for decoding control channels using repetition redundancy
Methods and systems for decoding control channels using repetition redundancy may include generating enhanced soft bits by combining soft bits generated from the two GSM SACCH blocks. Combining may...
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7620005 |
Method and apparatus for code assignment in a spread spectrum wireless communication system
Method and apparatus for code assignments in a spread-spectrum wireless communication system incorporating a Large Area Synchronized-Code Division Multiple Access (LAS-CDMA) protocol. The method...
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7616933 |
Method for controlling channel re-selection
A method for re-selecting control channels in a mobile station reduces the use of resources by limiting an evaluation of candidate control channels to those channels which satisfy certain criteria...
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7616622 |
Synchronization signal for synchronizing base stations
A synchronization signal used to synchronize base stations in a mobile radio telecommunication system having a first sequence followed by a second sequence, the first and second sequences being...
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7616606 |
Mechanism for avoiding triggering silent radio squelch circuits
A ‘smart’ sub-channel hopping control mechanism executes one or more sub-channel selection discriminators to enable the communications controller of a spectral reuse transceiver to delineate on...
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7616595 |
Method and apparatus for scheduling frequency selective and frequency diverse allocations in mobile communications systems
A base station ( 105 ) includes a scheduler ( 220 ) to determine a location of a user terminal ( 110 ) within a cell ( 125 ) of a wireless system ( 100 ). The cell has a cell boundary ( 125 ). The...
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7613147 |
Packet-based conversational service for a multimedia session in a mobile communications system
An important objective for third generation mobile communications systems is to provide IP services, and a very important part of these services will be the conversational voice. The conversational...
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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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7609673 |
Packet-based conversational service for a multimedia session in a mobile communications system
An important objective for third generation mobile communications systems is to provide IP services, and a very important part of these services will be the conversational voice. The conversational...
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7606573 |
Wireless switched network
An access point in a wireless network includes an external indication of the access point's proximity to another access point. The external indication can be a LED that blinks at a rate that is...
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7606193 |
Methods for implementing a dynamic frequency selection (DFS) feature for WLAN devices
Various regulatory domains promulgate standards to define how wireless devices should operate in certain frequency bands. The 5 GHz spectrum is of particular importance to certain regulatory...
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7602802 |
Interrupting use of frequency layer convergence scheme
The present invention is directed to interrupting use of a frequency layer convergence scheme that favors selection of a cell on a preferred frequency of a joined point-to-multipoint service....
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7602744 |
Detection of a simultaneous occurrence of an event at a plurality of devices
The invention relates to a detection of a simultaneous occurrence of an event of a predetermined kind at a plurality of electronic devices. At least two devices detect the event and record at their...
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7602696 |
Adaptive guard intervals in OFDM systems
Dynamic guard interval adaptation is provided for devices having differing delay spreads in an OFDM communication system to reduce the guard intervals, with adaptation controlled by either the...
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7596127 |
System for allocating data in a communications system and method thereof
Poor transmission reliability is identified in a data channel. Multiple frequency carriers are used to transmit different sets of data within the data channel. A frequency bin is assigned to each...
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7593417 |
Handling broadcast and multicast traffic as unicast traffic in a wireless network
An access point is to handle received broadcast or multicast traffic as multiple instances of unicast traffic, where each instance is destined for a corresponding wireless client device associated...
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7593384 |
Efficient channel quality reporting and link adaptation for multi-carrier broadband wireless communication
Multi-carrier broadband wireless communication can be supported by providing identification information that identifies a group of carrier frequencies that an intended recipient of a transmission...
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7590423 |
Apparatus and method for allocating channel in a wireless communication system
A channel allocation method in a BS that communicates on at least two channels in a wireless communication system is provided. The BS receives information related to the data rates of the available...
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7586887 |
Method and apparatus for wide bandwidth mixed-mode wireless communications
A network device for implementing high-rate greenfield transmission in a mixed mode frame structure. The network device is configured to transmit a mixed mode frame on two adjacent channels. The...
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7586862 |
Multi-connection, non-simultaneous frequency diversity in radio communication systems
A radio communication system includes a remote device radio, and a base station radio operable to communicate with the remote device radio at a first channel and at a second channel using...
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7583739 |
Channel estimation device, channel estimation method, and wireless receiver
A channel estimation device is provided to achieve high-precision channel estimation in a MIMO or multicarrier wireless receiver. This channel estimation device is used in the wireless receiver...
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7583738 |
Apparatus and method for reducing peak-to-average power ratio in orthogonal frequency division multiplexing communication system
Provided is a method for reducing a PAPR (Peak-to-Average Power Ratio) of a transmit signal in a broadband wireless communication. The method includes the steps of: assigning information signals to...
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7583736 |
Radio transmission device, radio reception device, and method for selecting transmission cancellation subcarriers
Of systematic bits (S) and parity bits (P 1 , P 2 ) generated by coding (coding rate R=1/3) transmission bits, subcarriers to which parity bits are mapped are designated as candidates for...
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7583624 |
Method of idle mode control in OFDM system
The present invention discloses a method of idle mode control in an orthogonal frequency-division multiplexing (OFDM) system. By superposing idle mode control channels on a frame synchronization...
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7583584 |
System and method for time diversity
A system and method for time diversity uses interleaving. To simplify the operation at both transmitters and receivers, a formula can be used to determine the mapping from slot to interlace at a...
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7580400 |
Apparatus and method for generating preamble signal for cell identification in an orthogonal frequency division multiplexing system
Disclosed are an apparatus and a method for generating a preamble signal for cell identification in an OFDM mobile communication system. The method includes the steps of generating a Walsh code...
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7577453 |
Wireless load balancing across bands
A technique for wireless load balancing involves providing a wireless infrastructure that creates a target band option and helps push clients toward that band. An example of a method according to...
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7577216 |
Guard interval and FFT mode detector in DVB-T receiver
For determining FFT and GI (guard interval) modes within a receiver, a correlation signal is generated from an in-phase and quadrature (I/Q) stream. An plurality of GI mode division signals are...
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7577127 |
Apparatus and method for multiplexing packets for broadcast services in a mobile communication system based on orthogonal frequency division multiplexing
An apparatus and method for multiplexing packets for broadcast services in a mobile communication system based on orthogonal frequency division multiplexing (OFDM). The OFDM system has a...
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7570626 |
Communication method, transmitting device using the same, and receiving device using the same
A transmission method for transmitting an orthogonal frequency division multiplexing signal the method includes composing, on a per unit time basis, a plurality of carrier groups each composed of...
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7564878 |
Method for operating an RLAN arrangement
A method of operating a wireless network, including detecting at least one signal of an external radio source, by a network device of the wireless network, during normal operation of the wireless...
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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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7561558 |
Transmission power optimization of OFDM wireless communication system
A method for minimizing processing and transmission power in a flexible and bidirectional OFDM wireless communication system including a MAC layer and a PHY layer, said PHY layer including a...
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7558593 |
Outer loop power control method and apparatus for wireless communication systems
An adjustment of the target signal to interference ratio (SIR target ) at the start of each transmission (N) uses an Outage-Based OLPC method, which establishes the ratio (SIR target ) as the sum...
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7558190 |
OFDM transmission/reception apparatus
Modulation section 201 performs modulation processing on transmission data. Mapping control section 202 controls mapping of the baseband signal onto the subcarriers so that the important...
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7555306 |
Method and system for mobile device performance monitoring
A method for monitoring performance of a mobile device involves intercepting a first monitoring request from a monitoring management host, where the first monitoring request is associated with the...
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7554943 |
Radio communication system
In a radio communication system having a data channel for the transmission of data packets from a primary station to a secondary station, a plurality of downlink control channels are used to signal...
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7551598 |
Synchronization signal for synchronizing base stations
A synchronization signal used to synchronize base stations in a mobile radio telecommunication system having a first sequence followed by a second sequence, the first and second sequences being...
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7551594 |
Method of allocating frequency subband and apparatus adopting the same
A method of allocating frequency subbands in an ultrawideband (UWB) wireless communication system and an apparatus adopting the same are provided. The method of allocating frequency subbands to a...
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7548730 |
Systems and methods for improving performance of multiple spatial communication channels
Embodiments include systems and methods for improving performance of multiple spatial communications channels. Embodiments comprise power loading a steering matrix to achieve improved performance.
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7545872 |
Signal component demultiplexing apparatus, filter apparatus, receiving apparatus, communication apparatus, and communication method
A communication apparatus, a signal component demultiplexing apparatus, and a filter apparatus to reduce a load of FFT processing in a receiver in multi-carrier communication. The receiving...
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7545791 |
Wireless transmission apparatus and wireless transmission method
A wireless transmission apparatus that improves throughput in a wireless communication network system. In this apparatus, M T units of transmission/reception sections ( 122 - 1 to 122 -M T )...
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7539123 |
Subcarrier puncturing in communication systems
A circuit and method provides subcarrier puncturing by placing no information in subcarriers that suffer from channel impairments where they cannot deliver information. If no energy is placed in...
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7532608 |
Electronic anti-theft system with correlated transmit/receive antennas
An electronic anti-theft system and an operating method have transmit/receive antennas of different frequencies that are electrically correlated with one another. The data communication of access...
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7529220 |
Wireless receiver
A method for performing transport format combination indicator (TFCI) processing in a wireless communications system begins by collecting received samples for a timeslot. Processing of the received...
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7529179 |
Joint maximum likelihood estimation of integer carrier frequency offset and channel in OFDM systems
An Orthogonal Frequency Division Multiplexing (OFDM) receiver is provided that receives a modulated OFDM signal through a channel. The OFDM receiver includes an RF downconverter that generates a...
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