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7292555 |
Apparatus and method for enhancing channel utilization ratio in a CDMA
An apparatus and method for enhancing channel utilization in a CDMA system are provided. The method includes the steps of receiving a service request for data transmission on a channel;...
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7292526 |
Mobile communication system, radio control station, base station and mobile station for the system, and parameter determination method employing parallel combinatory spread-spectrum scheme
A mobile communication system is provided for use in communication. The mobile communication system may include a radio control station (CS), a base station (BS), and a mobile station (MS). The BS...
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7292553 |
Method and apparatus for maximizing the use of available capacity in a communication system
A method and apparatus for maximizing the use of available capacity in a communication system. The forward link in the mobile radio system includes a plurality of traffic streams sent on at least...
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7292609 |
Method and apparatus for CDMA signal reception
The N peaks are selected from a delay profile in order starting from the highest peak involved in the delay profile, the path level and path timing are determined for each of the selected peaks,...
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7289483 |
Cell search apparatus and method in CDMA mobile communication system
There is provided a cell search apparatus and method in a mobile communication system. The cell search apparatus is slot time-synchronized by receiving a first synchronization code in each slot of...
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7289426 |
Method and low consumption device for parallel generating channelization codes for CDMA transmissions, in particular WH and OVSF codes
Described herein is a method for parallel generating Walsh-Hadamard (WH) channelization codes and Orthogonal Variable Spreading Factor (OVSF) channelization codes, which are channelization codes...
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7289476 |
Method and system to increase QoS and range in a multicarrier system
A method and system of improving quality of service in a communication system is provided. The method includes the step of encoding a data set multiple times in a communication transmitter with the...
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7289475 |
High-speed cell search system for CDMA
In a high-speed search system for CDMA, plural (M) symbols which are subjected to spread frequency coding with a spreading code called as a short code are prepared when synchronization of the...
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7289550 |
Weighted open loop power control system
A weighted open loop power control system for controlling transmission power levels using a spread spectrum time division duplex (TDD) technique having frames with timeslots for communication...
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7286517 |
Multi-user detection method for a receiver in a MC-CDMA telecommunication system
The present invention concerns a multi-user detection method for a receiver in a MC-CDMA telecommunication system, each communication to or from a user of the system being coded with a signature,...
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7286842 |
Method and apparatus for supporting direct link communication in TDD CDMA system
A method for supporting P2P communication between two user equipments in TDD CDMA systems, performed by user equipment, comprising: receiving signals transferred via the downlink control channel...
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7286563 |
Method for resetting MAC layer entity in a W-CDMA communication system using HSDPA
A method for resetting a MAC-hs (Medium Access Control-high speed) layer entity in a communication system using HSDPA (High Speed Downlink Packet Access). When an RLC (Radio Link Control) layer...
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7286519 |
Method and device for synchronizing to a CDMA-signal that contains a pilot sequence
A method for synchronizing to a CDMA-signal that contains a pilot sequence, overlaid with data sequences, comprises the following process steps: correlating the total signal consisting of the...
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7286847 |
Method and apparatus for performing an access procedure
A base station for controlling transmission power during the establishment of a communication channel utilizes the reception of a short code during initial power ramp-up. The short code is a...
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7286509 |
Physical channel configuration signaling procedures
A sequence of codes are provided for potential assignment to a user in a wireless hybrid time division multiple access (TDMA)/code division multiple access (CDMA) communication system. At least one...
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7286506 |
Method and apparatus for pilot estimation using a prediction error method with a kalman filter and a Gauss-Newton algorithm
A system is disclosed for use in a wireless communication system to provide an estimated pilot signal. The system includes a receiver and a front-end processing and despreading component in...
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7286500 |
Code division multiple access system having improved pilot channels
In a CDMA network, each mobile is arranged to combined pilot symbols from its dedicated pilot channel with pilot symbols from at least one common channel as an input to its channel impulse response...
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7286508 |
Signal format in multi-carrier CDMA transmission system
A multi-carrier CDMA transmission system signal format that reproduces data symbols, aligns the reproduced data symbols along a frequency axis, multiplies the reproduced data symbols by a spreading...
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7286841 |
Method and system for maintaining uplink synchronization with peer-to-peer communication in wireless communication system
A method is proposed for maintaining uplink synchronization with P2P communication in wireless communication networks, comprising steps of: the wireless communication system overhears the P2P...
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7283508 |
Apparatus and method for transmitting/receiving serving HS-SCCH set information in an HSDPA communication system
A communication system includes a shared channel occupied by a plurality of user equipments (UEs) and spread with a plurality of channelization codes to transmit user data, and a plurality of...
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7283509 |
Apparatus and method for retransmitting high-speed data in a CDMA mobile communication system
An apparatus for retransmitting data at a retransmission request from a receiver by a transmitter in a CDMA mobile communication system including a turbo encoder with a given coding rate and...
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7283578 |
System and method to adjust searcher threshold parameter of rake receiver
This present invention is a system and method to adjust a searcher threshold parameter of a RAKE receiver. The adjusting system includes a searcher, a power estimator, and a parameter control...
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7283500 |
Method and apparatus for allocating data streams onto a single channel
A method and system that enables multiplexing a plurality of data streams onto one data stream based on data stream priorities and available transport frame combinations (TFCs) is disclosed. A...
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7283482 |
Reverse data transmission apparatus and method in a mobile communication system
A reverse data transmission apparatus and method in a mobile communication system. A mobile station receives information about an MADR (Maximum Allowable Data Rate) from a base station in a first...
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7280512 |
Method of allocating a channelisation code to one of a plurality of user terminals, a code division multiple access telecommunications network, and a CDMA telecommunications base station
A method of allocating a channelisation code to one of a plurality of user terminals for decoding of signals sent according to a code division multiple access scheme is provided. The plurality of...
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7280522 |
Method for preparing a profile in W-CDMA communication
The method of this invention for preparing a profile in W-CDMA which, using a timer value and norm value, helps a mobile unit to synchronize its signals with those of a base station, comprising...
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7280468 |
Apparatus for constant amplitude coded bi-orthogonal demodulation
A constant amplitude coded bi-orthogonal demodulator demodulates the received constant amplitude bi-orthogonal modulated data, cancels the parity bits to generate the serial data, detects the...
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7280509 |
CDMA 3X base transceiver station in mobile communication system
A base transceiver station in a mobile communication system, includes a GPS time frequency unit for outputting a synchronized time which is received from at least one GPS satellite and frequency...
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7280467 |
Pilot transmission schemes for wireless multi-carrier communication systems
Pilot transmission schemes suitable for use in wireless multi-carrier (e.g., OFDM) communication systems. These pilot transmission schemes may utilize frequency, time, or both frequency and time...
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7280546 |
Method and system for providing wireless internet protocol access
A system and method for providing wireless Internet protocol access is provided. A network entity may be coupled to both a second generation and a third generation network access node. The network...
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7280513 |
Method of transmission of a data frame from a first station to a second station, and a CDMA telecommunications network
A method is provided of transmission of a data frame from a first station to a second station, in a code division multiple access (CDMA) telecommunications network. The network operates according...
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7280508 |
Separation of packet registration from mobile devices
A communications system includes an internet protocol (IP) enabled mobile unit having a home network. The system also includes a foreign network that can provide the mobile unit access to IP data...
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7277418 |
Process for determining a time lapse between a trigger signal and a pilot sequence of a CDMA high frequency signal
A process for determining a time lapse between a trigger signal and a start of a cyclic sequence of a pilot signal of a CDMA high frequency signal includes: simultaneously scanning and storing the...
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7277381 |
Method of data transmission by orthogonal frequency-division multiplexing
A method for transmitting data between at least three nodes of an orthogonal frequency-division multiplexing network, including assigning to each node at least one transmit frequency and one...
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7274729 |
Spread spectrum communication device and communication system
A structure of a spectrum spreading communication device which solves the problem with the conventional spectrum spreading communication using Barker codes, etc., and limits the rise of the...
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7274681 |
Method of multiplexing information in mobile communications, method and apparatus for decoding transport format combination indicator, and mobile station apparatus, base station apparatus and mobile communication system
Control information, which is transmitted through a circuit different from the one used for the transmission of a plurality of pieces of information to be multiplexed, is analyzed. When the...
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7272131 |
TFCI decoding circuit and decoding method
The present invention provides a TFCI decoding circuit and decoding method in which the TFI information for a relevant transport channel is determined, employing all the TFCI codeword information...
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7272118 |
Method and system for selecting vocoder rates and transmit powers for air interface communications
A method and system for managing communications over an air interface of a wireless network. A base station may measure a level of interference over the air interface. Based on the level of...
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7272120 |
System and method for dynamic allocation and simultaneous operation of forward packet data and supplemental channels in EV-DV network
A mobile station for use in an IS-2000-compatible wireless network. The mobile station is capable of receiving data from a first base station of the wireless network simultaneously in a first code...
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7272124 |
Acquisition of a synchronous CDMA TDD QPSK waveform using power and timing estimates
A method and system for using power and timing estimates to acquire frame acquisition of a reverse CDMA carrier signal. The method includes providing at least one remote transceiver device...
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7272130 |
CDMA device with automatic bit rate allocation
CDMA transmitter device including bit rate control logic that dynamically adjusts bit rates allocated to new incoming calls and currently active calls based on the current power level of the...
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7269149 |
Interleaving for mobile communications
A method for processing a bit sequence in a digital communication system, includes the steps of (a) storing the bits of said bit sequence at locations of a memory means indicated by a first...
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7269156 |
High-frequency circuit device
A high-frequency circuit device is provided that is conformable to both of the TDMA system and the CDMA system as well as a plurality of frequency bands and achieves low cost and low power...
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7269390 |
Radio communications system, base station, mobile station, transmission control method, and transmission control program
A radio communications system which can improve the frequency utilization efficiency by combined use of the PDMA system and the CSMA system. Concurrently with the transmission of a second radio...
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7266096 |
Radio infrastructure apparatus
Error detection section 109 carries out error detection using demodulated data and outputs an error rate to SIR versus error rate estimation section 110 . SIR versus error rate estimation...
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7263081 |
Handover process free of short-break and packet loss in CDMA mobile communication system on IP network
When a mobile node makes handover, the mobile node issues a binding update message and sends the binding update message to a base transceiver station from which handover is made. When the base...
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7263083 |
Radio communication device and arrival direction estimation method
A receiver having an array antenna estimates arrival directions of multiple paths that arrive with an angular spread. Consequently, arrival direction estimation accuracy can be ensured without...
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7263082 |
Resolving user-specific narrow beam signals using a known sequence in a wireless communications system with a common pilot channel
A method and apparatus are provided that corrects for differences in reception between a user-specific signal and a common signal. In one embodiment, the invention includes receiving a common pilot...
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7260076 |
Method and device for transmitting data
A data transmission method in which a CDMA-coded data signal is transmitted between a transmitter and a receiver in the form of a data stream of spread data bursts, with hierarchical CDMA codes...
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7260079 |
Method and apparatus for directional transmission of high bandwidth traffic on a wireless network
A low data rate wireless channel (control channel) is associated with a high speed wireless channel (data channel). The data channel is divided into discrete code or time slots (access slots), that...
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