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7532866 |
Closed-loop antenna diversity in a cellular radio communication system
A method is provided for operating a cellular radio communication system with a base station, which may be switched between an operating state without closed-loop antenna diversity and an operating...
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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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7532602 |
Information transmission method, mobile communications system, base station and mobile station
In an information transmission method, a radio communications system, a base station and a mobile station, a TBS size, a modulation scheme and the number of codes in a multicode are converted into...
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7532612 |
Transmission timing
A method for transferring data over a communication link from a first unit to a second unit, the link comprising a first portion across which the data is carried by the transmission of data packets...
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7532889 |
Hard handover method and radio network controller therefor in a mobile telecommunication system
A hard handover method and a Radio Network Controller (RNC) therefor in a mobile telecommunication system are provided which can improve the performance of an interfrequency hard handover. The RNC...
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7532600 |
Method and system for using hybrid ARQ in communication systems that use multiple input multiple output antenna systems
A method and system for using one H-ARQ process in communication systems having a Multiple Input Multiple Output antenna system. Information to be transmitted is first coded using a particular...
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7532685 |
Methods of controlling tracker bandwidth in wireless communication systems
A method of tracking on-time errors may include producing first and second metrics from accumulated signal samples of a received data frame, and calculating a sum of, and a difference between, the...
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7532911 |
Random beamforming method for a MIMO system
A transmission method based on random beamforming. A base station receives, from mobile stations, feedback information including channel-by-channel transmission rates for a weight vector...
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7529208 |
Handoff method in CDMA communication system
A handoff method in a CDMA system is performed when a mobile station with dormant packet data call is handed off to an area where the packet zone identifier is changed. The method includes call...
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7529264 |
Use of orthogonal or near orthogonal codes in reverse link
A technique for allowing a first and second group of users to share access to a communication channel such as a wireless radio channel is disclosed. The first group of users can be a group of...
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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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7529210 |
Random access channel preamble
One out of sixteen preamble signatures is selected. A code is produced based on the selected preamble signature. The produced code is phase rotated to produce a processed preamble signature signal....
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7525945 |
Spread spectrum communication device and spread spectrum communication method
In a compressed mode, a spread spectrum communication device interleaves bit units across multiple frames using an interleaver, reduces the spreading factor using a framing/spreading unit, outputs...
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7525944 |
Data delivery in conjunction with a hybrid automatic retransmission mechanism in CDMA communication systems
Techniques for delivering data recovered by a HARQ entity in proper order to higher layers in a CDMA system. In a method, packets are received from the HARQ entity by the re-ordering entity and...
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7526108 |
Wireless data management system
A portable electronic data management and transport system includes a base unit and a wireless remote unit. The wireless remote unit can incorporate a graphic tablet digitizer for signaling...
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7525942 |
Method and apparatus for detecting interference using correlation
A system and/or a method for detecting interference using correlation may be used in a communication system to protect against, or to report the presence of, narrowband interference, which has...
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7525941 |
Methods and apparatus for reducing power consumption in CDMA communication device
Methods and apparatus for reducing power consumption of a code division multiple access (CDMA) communication device are described. The CDMA communication device operates in a communication session...
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7523374 |
Method and apparatus for initial BCH decoding in a WCDMA system
When an initial frame alignment during decoding of multi-frame data segments fails a cyclic parity check, a portion of the received data is retained and reused for a second decode attempt using a...
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7522574 |
Power efficient communication system
A monitoring system comprises a specific remote unit or monitor and a plurality of base stations that are capable of communicating with one another. A designated one of the plurality of base...
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7522566 |
Computing optimal channel allocations using decomposition methods and related devices
By decomposing (i.e., dividing) an interference graph into subgraphs, it becomes feasible to compute close approximations of an optimal channel allocation scheme within a reasonable amount of time....
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7522559 |
Method and apparatus for blind code detection
A receiver includes a blind code detection device for determining the identity of a plurality of channels over which information is to be transmitted when the identity of all channels is not known...
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7522920 |
Method and apparatus for parameter recoding
The present invention relates to a method and apparatus for specifying new values for old parameters for controlling the operation of a mobile device with a network node or element in a network;...
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7519027 |
Method and apparatus for performing idle handoff in a multiple access communication system
In a mobile communication system having a first communication device for communicating with a plurality of second communication devices, a method for performing handoff within the mobile...
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7519098 |
Spread spectrum base station notch filtering transmitted signals
A base station is in a spread spectrum code division multiple access (CDMA) communication system with co-exists with a diverse system of existing users. The diverse system selectively utilizes...
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7519107 |
CDMA receiving apparatus, method, program and recording medium
In a CDMA receiving apparatus, a delay profile using a desired constraint length is generated by a delay profile generating unit from received signal wave-form data recorded on a received signal...
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7519029 |
Radio communication system, base station, relay station, mobile station, and packet transmission control method
The object is to control interference in a permissible range by applying the CDMA system to signal collision in the conventional CSMA and TDMA base multihop systems and to relax the hidden terminal...
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7519097 |
Spread-signal multiplexing circuit
The invention relates to a spread-signal multiplexing circuit for frequency-multiplexing a plurality of spread signals that were generated in parallel according to the SSMA scheme. An object of the...
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7519031 |
System and methods of differential communication
[Object] To provide a differential communication system that is preferable for performing differential communication in a dynamically configured network. [Solving Means] Portable terminals 100 ...
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7515564 |
Physical layer processing for a wireless communication system using code division multiple access
The invention includes various embodiments for use in physical layer processing. One embodiment determines the address mapping of bits in the physical channel buffer from the address of bits in the...
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7515558 |
Code division multiple access communication system, and a base station control device and a base station thereof
Power control of a base station of a CDMA system that includes a plurality of communication terminals and a maintenance terminal is optimized by adjusting one of transmitted power and received...
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7515565 |
Multiple source wireless communication system and method
When a cellular wireless communication device can receive communication from multiple (more than one) transmission sources, two steps are performed. First, a block of source data made up of M...
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7515876 |
Rake receiver with time-shared fingers
A rake receiver for processing a multi-path input signal received from a communications channel, wherein each multi-path component of the multi-path input signal comprises one or more symbols,...
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7515562 |
Apparatus and method for supporting soft handover in broadband wireless access communication system
Disclosed is an apparatus and method for allocating downlink/uplink subchannels for a soft handover in a broadband wireless access communication system, wherein the method includes the steps of...
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7515581 |
Method and system for a new packet preamble for wideband wireless local area network (LAN) systems
Methods and systems for processing a packet are disclosed herein. Aspects of the method may comprise replicating at least one component of a legacy preamble synchronization symbol to generate a...
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7515563 |
Communications systems
Communications systems are disclosed having a transmitting apparatus for transmitting a signal to a receiving apparatus, the transmitting apparatus comprising transmitting means for transmitting a...
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7512076 |
Apparatus and method for transmitting reverse channel information of a mobile station in a mobile communication system
Disclosed is a method for reporting channel state information between a mobile station and a base station to the base station by the mobile station in a mobile communication system. The method...
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7512086 |
Method of assigning an uplink random access channel in a CDMA mobile communication system
Disclosed is an uplink random access procedure in an NB-TDD (Narrow Band Time Division Duplexing) system. To achieve an acknowledgement for data transmission from a UTRAN (UMTS Terrestrial Radio...
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7512382 |
Modeling power amplifier and spreading code limits in a wireless system
Techniques are disclosed for modeling wireless system performance subject to limitations on shared system resources such as power amplifiers and spreading codes. In accordance with an aspect of the...
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7509135 |
Method for transmitting and receiving message of short message broadcasting services in telecommunication system
A method for transmitting and receiving short message broadcast services in a communication system is disclosed. The present invention reduces a battery consumption of a mobile station by...
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7508804 |
Shared signaling for multiple user equipment
A composite signaling message part is formed to include at least two segments, each segment including data identifying a different user equipment (UE). The part further includes a cyclic redundancy...
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7508790 |
Configuration of overhead channels in a mixed bandwidth system
A method and apparatus for transmitting broadcast information in a multi-carrier communication system. The Sync Channel of the multi-carrier system is transmitted a 1.25 MHz channel bandwidth...
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7508749 |
System and method for generating orthogonal codes
The invention provides an apparatus and method for generating overspread orthogonal codes. Overspread orthogonal codes are generated code-multiplying orthogonal codes generated by any method and...
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7508797 |
Method and system for providing a base station-assigned public long code mask
A method for providing a base station-assigned public long code mask (PLCM) for a wireless communication device is provided that includes generating a base transceiver subsystem (BTS) identifier...
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7508863 |
Method of processing multi-path signals
In the method of processing signals, multi-path signals are received, channel estimates for the received multi-path signals are determined, and a combining operation is applied to the multi-path...
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7508796 |
Wireless base station, wireless frames synchronization detection method used therein, and recording medium on which program therefor is recorded
In a baseband processing unit in a node-B, a path search circuit includes a path capture unit, path track transfer unit, and channel estimation unit, all of which are primarily provided for the...
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7505440 |
Method and apparatus for orthogonally overlaying variable chip rate spread spectrum signals
A system and method for transmitting wideband signals via a radio communication system adapted for transmitting narrow-band signals is described. A base station is used to transmit and receive a...
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7505398 |
OFDM modulation/demodulation system
A radio relay system ( 1 ) comprises a wireless camera ( 11 ) and a signal receiving relay station ( 12 ). The wireless camera ( 11 ) wirelessly transmits signals to the signal receiving relay...
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7505506 |
System and method for generating single sideband, constant envelope, spread spectrum signals with multiple spreading codes
A method of generating a composite signal includes the steps of: (a) generating a plurality of sub-carriers, each sub-carrier having a different frequency position in a frequency spectrum; (b)...
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7505597 |
Multi-level security CDMA communications arrangement
A communications arrangement that provides multiple levels of security is described. In one embodiment, a plurality of seedable code generators is configured to generate different sets of codes. A...
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7505438 |
System and method for power-optimized user loading of a CDMA communication system
A CDMA system according to an embodiment of the invention employs a technique for power optimized user loading that obtains a desired allocation of different radio configuration calls. The...
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