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7319712 |
Orthogonal code generation apparatus, scrambling code generation apparatus and portable radio terminal using such apparatus
An orthogonal code generation apparatus can generate a sequence of orthogonal codes without having to prestore orthogonal code sequences in a memory, by applying logic operation on a sequence...
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7319690 |
Communication signal equalization systems and methods
Communication signal equalization methods and systems are disclosed. A CDMA signal having a data portion and a known portion including a known or repeated data sequence and received over a...
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7317710 |
Method and apparatus for encoding data for transmission in a communication system
A method and apparatus for encoding data for transmission in a communication system provides increased efficiency in bandwidth utilization through higher data rates, lower error rates, lower power...
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7317700 |
Method and apparatus for cell-specific HSDPA parameter configuration and reconfiguration
A method by which resources of a cell under the supervision of a controlling radio network controller (CRNC) are reserved for providing high speed downlink packet access via a high speed downlink...
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7317698 |
Interference detection, identification, extraction and reporting
An adaptive notch filter (ANF) module selectively filters a received wideband communication signal to eliminate narrowband interference that lies within the frequency spectrum of the wideband...
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7317916 |
Stratospheric-based communication system for mobile users using additional phased array elements for interference rejection
A communication system has a stratospheric platform with a payload controller and a phased array antenna having a plurality of main array elements for generating a plurality of communication beams...
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7315544 |
Global sequence numbers in wireless communications systems and methods
A communication provider which provides wireless access to a packetized data network, such as the Internet. The provider includes a server computer. The server computer is connected to the network,...
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RE39980 |
Calling channel in CDMA communications system
A Code Division Multiple Access (CDMA) communication system which contains a calling channel which is used to inform silent mobiles that they are being called. In the system, the calling channel is...
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7315534 |
Channel time allocation method and apparatus
Provided are a channel time allocation method and apparatus adopting the same. The channel time allocation method includes: (a) receiving a request of registering in a network from a device; (b)...
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7315530 |
Pre-distortion method for telecommunication system and transmitter for mobile terminal of MC-CDMA telecommunication system
The invention concerns a pre-distortion method for a telecommunication system comprising a base station and at least one user. Each symbol of said user is spread with a coding sequence over a...
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7313114 |
Selecting spreading code in spread spectrum system
The invention relates to a base transceiver station in a CDMA mobile telephone system, including a mechanism for maintaining a code tree which determines spreading codes to be used in the system, a...
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7313117 |
System and method for fast dynamic link adaptation
The present invention discloses a method and system for enabling efficient reduction of TFCs in the TFCS to achieve desired transmission, while remaining within desired power and data requirements....
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7313400 |
Radio communication device and method thereof
There is provided a radio communication device able to adaptively adjust a pilot symbol insertion rate and improve efficiency of channel estimation and data transmission. It comprises a channel...
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7313122 |
Multi-user carrier frequency offset correction for CDMA systems
“Multiple approaches are presented herein to perform CFO correction within CDMA systems having multiple users. Any communication receiver may be adapted to perform the CFO correction in this...
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7313120 |
Application control in peer-to-peer ad-hoc communication networks
A computer system, method, and computer program product for controlling access to an application program in a wireless device connected to an ad-hoc communications network. The method comprises...
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7313123 |
Resource management and traffic control in time-division-duplex communication systems
A system and method for resource management and traffic control in time division duplex communication systems. A multi-radio base station maintains communication links with a plurality of remote...
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7313124 |
Adaptive downlink packet transmission method in multicarrier CDMA system
Disclosed is an adaptive downlink packet transmission method for a multicarrier Code Division Multiple Access (MC-CDMA) system. The method can allocate radio resources efficiently according to the...
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7313125 |
OFDM demodulation method and semiconductor integrated circuit device
The invention comprises: processing for receiving an OFDM packet having a preamble and the following data transmission symbol, in which packet the subcarrier interval of the preamble is set wider...
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7313397 |
Cellular network acquisition method and apparatus
A method of network acquisition for a cellular radio communications device arranged for operation in accordance with a plurality of radio technologies and comprising searching to identify a...
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7310366 |
Procedure for estimating amplification factors of a CDMA signal
The invention concerns a procedure for estimating unknown amplification factors of a received CDMA signal, which encompasses a plurality of code channels, in which respectively an input signal from...
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7310303 |
Ranging method for mobile communication system based on orthogonal frequency division multiple access scheme
Disclosed herein is a ranging method for a mobile communication system based on an OFDMA (Orthogonal Frequency Division Multiple Access) scheme. In the communication system for classifying a...
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7310394 |
LMMSE-based RAKE receiver with channel tap assignment
Methods of recovering data in a received signal sent in a communications media are disclosed. Composite channel impulse responses are first estimated. Channel-tap locations are then assigned to...
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7307975 |
Power measurement of received CDMA signals using soft threshold preprocessing after correlation
A received power of a code division multiple access (CDMA) signal is determined. Samples of a spectrum associated with the received CDMA signal are taken as received samples, which are then...
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7308266 |
Method and system for peer-to-peer communication management in wireless communication networks
The present invention provides a wireless communication system capable of managing peer-to-peer (P2P) communications. In one embodiment of the invention, upon receiving a request for initiating a...
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7307977 |
Information transfer and interrupt event scheduling scheme for a communications transceiver incorporating multiple processing elements
A real-time optimizing information transfer and interrupt event scheduling scheme for a communications transceiver incorporating multiple processing elements. The scheme is particularly applicable...
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7308099 |
Device and method for producing an encoded audio and/or video data stream
An apparatus for generating an encrypted data stream representing an audio and/or video signal comprises an encoder for encoding an input signal to generate a data stream with a predefined data...
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7307969 |
Method and system for making handoff between CDMA mobile communication system
A method and system for performing a handoff between different CDMA systems in a mobile communication network having first and second cells and a gateway cell is disclosed. The handoff between the...
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7307944 |
Communication terminal apparatus and spreading code estimation method
A despreading and RAKE combining section despreads a data portion using all spreading codes and RAKE combines the despread signal. An average value calculating section calculates RAKE output...
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7304979 |
Overhead message and channel hashing method using the same
An overhead message and a method of performing channel hashing using the same are provided. The overhead message includes first and second fields of an extended CDMA channel list message (ECCLM)....
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7304955 |
Scalable IP multicast with efficient forwarding cache
A method and apparatus in a multicast transmission system for routing packets including a scalable architecture that supports QoS. Redundant state information is minimized in the MOSPF multicast...
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7304939 |
Communication using simultaneous orthogonal signals
Wireless communication is improved by simultaneously transmitting signals that are orthogonal to received signals. This technique is referred to as Orthogonal Division Duplexing or ODD. Channel...
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7304970 |
Traffic control method for mobile data communication, mobile station device and base station device
A traffic control method, a mobile station device and a base station device for mobile data communications that can realize improvement of communication quality and effective utilization of radio...
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7302233 |
Multiuser detection for wireless communications systems in the presence of interference
System and method for detecting transmissions from multiple users in a digital wireless communications system in the presence of interference. A preferred embodiment comprises derotating a received...
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7302226 |
Combined fixed satellite service and mobile platform satellite service communication system
A communication system for a mobile platform satellite service (MPSS) system includes a receiver subsystem (RS) and a transmitter subsystem (TS). A satellite transponder is in communication with...
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7301930 |
Encoder and method for efficient synchronisation channel encoding in UTRA TDD mode
An encoder and method for efficient synchronization channel encoding in UTRA TDD mode by: producing a codeword a, where a=dG+z modulo-2, where d represents a predetermined code group to be encoded,...
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7301929 |
Method and system for transport block size signaling based on modulation type for HSDPA
A method and system for transport block size signaling where information including a first modulation scheme, first transport block size, and first redundancy version may be transmitted. The first...
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7301892 |
Walsh mask test in CDMA cellular wireless communication systems with packet data service
A mobile station comprising a decoder circuit and a control circuit. The decoder circuit may be configured to retrieve mask information from a packet data control channel. The control circuit may...
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7298727 |
Power control method and apparatus using control information in mobile communication system
A method and apparatus for performing power control using control information of a traffic channel in a mobile communication system that transmits the control information of the traffic channel...
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7298721 |
Single-carrier/DS-CDMA packet transmitting method, uplink packet transmitting method in multi carrier/DS-CDMA mobile communication system, and structure of downlink channel in multi carrier/DS-CDMA mobile communication system
The present invention provides a single carrier/DS-CDMA packet transmission method wherein a predetermined time slot is assigned to reservation demand packet transmission in regard to a spreading...
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7298802 |
SIR measure method and apparatus for the same
The invention discloses a signal-to-interference ratio (SIR) measurement method. The method measures interference power (I) of a single-path signal after the received signal is demodulated by the...
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7298718 |
Channel allocations in a communications system
Systems and techniques for communications include calculating a value from data, transmitting the value and data over at least one time slot, receiving the transmission, recalculating the value...
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7298801 |
Method and device for demodulating signals from multiple users
Method and device for equalizing and decoding digital signals from K users including several modules. Each module includes an equalizer linked to a decoder. An equalizer of rank k corresponding to...
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7298777 |
Searching in a spread spectrum communications
This disclosure is generally directed to communication systems, devices used in communication systems and associated methods which may implement parallel hypothesis search techniques. The disclosed...
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7295509 |
Signaling method in an OFDM multiple access system
A method for reducing the peak-to-average ratio in an OFDM communication signal is provided. The method includes defining a constellation having a plurality of symbols, defining a symbol duration...
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7295539 |
Apparatus and method for generating transmission/reception reference timing in a mobile terminal
An apparatus and method for generating reference timings. Each of at least two Node Bs transmits a first channel signal for providing a reference timing and a second channel signal different from...
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7295545 |
PPP connection during simple IP
The invention relates to a method for maintaining a Point-to-Point Protocol (PPP) connection between a Mobile Terminal (MT) and a Packet Data Serving Node (PDSN). Responsive to a detection at the...
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7292563 |
Method of associating a training code to a channelisation code in a mobile telecommunication system
A method of associating the Training code to a Channelisation code in a mobile telecommunications system. The method includes associating a Training code with a Channelisation code prior to...
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7293224 |
Encoding/decoding apparatus and method in a CDMA mobile communication system
An encoding method in a mobile communication system, for receiving 4 input information bits, encoding the 4 input information bits with different Walsh codes of length 16, and outputting a coded...
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7292554 |
Apparatus and method for transmitting a voice frame in an ALL-IP-based mobile communication system
A method for transmitting voice traffic in an ALL-IP-based mobile communication system. A mobile terminal first transmits header information using a signaling frame, and then separately transmits...
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7292552 |
Method and apparatus for reducing interference in a wireless communication system
Method and apparatus for reducing interference in a wireless communication system when the source of interference is a deterministic component of the system. In one embodiment, the receiver weights...
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