Inventor

CHENNAKESHU SANDEEP

US91 patents

⚠️ This page may combine multiple inventors who share the name “CHENNAKESHU SANDEEP”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHENNAKESHU SANDEEP

ERICSSON INC

Method and apparatus for performing beam searching in a radio communication system

System and method for coding in a telecommunications environment using orthogonal and near-orthogonal codes

System for improving the quality of a received radio signal

System for improving the quality of a received radio signal

Dual mode satellite/cellular terminal

Method and apparatus for joint synchronization of multiple receive channels

Apparatus and method for selecting between a plurality of antennas utilized by a microcellular communications terminal for reception of a signal

Methods and apparatus for canceling adjacent channel signals in digital communications systems

Unequal error protection in coded modulation schemes

Method and apparatus for performing beam searching in a radio communication system

Method and apparatus for communicating auxilliary information and location information between a cellular telephone network and a global positioning system receiver for reducing code shift search time of the receiver

High power short message service using TDMA frames and/or broadcast control channel

Measurement techniques for diversity and inter-frequency mobile assisted handoff (MAHO)

Synchronization techniques and systems for radiocommunication

Apparatus and method for secure communication based on channel characteristics

Despreading of direct sequence spread spectrum communications signals

Apparatus and method for generating pseudorandom quantities based upon radio channel characteristics

Distributed radio telephone for use in a vehicle

Method and apparatus for reducing co-channel interference

Methods and apparatus for joint demodulation of adjacent channel signals in digital communications systems

High power short message service using dedicated carrier frequency

Communications system and methods employing selective recursive decording

High-penetration transmission method for a radiocommunication system

GEN ELECTRIC

Local communication network for power reduction and enhanced reliability in a multiple node tracking system

Adaptive MLSE-VA receiver for digital cellular radio

Decision feedback equalization for digital cellular radio

Low complexity adaptive equalizer radio receiver employing reduced complexity branch metric calculation

Automatic simulcast alignment

Post detection weighted vector combining diversity receivers using phase metrics for mobile and indoor radio channels

Adaptive phase-locked loop employing channel state information estimation from received signal phase angles

Low complexity adaptive equalizer radio receiver employing direct reference state updates

Sample timing selection and frequency offset correction for U.S. digital cellular mobile receivers

Order recursive lattice decision feedback equalization for digital cellular radio

Digital discriminator for pulse shaped π/4 shifted differentially encoded quadrature phase shift keying

Frame/slot synchronization for U.S. digital cellular TDMA radio telephone system

Reduction of synchronous fading effects by time hopping of user slots in TDMA frames

Post detection selection combining diversity receivers for mobile and indoor radio channels

Tangental type differential detector for pulse shaped PI/4 shifted differentially encoded quadrature phase shift keying

Sample timing and carrier frequency estimation circuit for sine-cosine detectors

ERICSSON GE MOBILE INC

High power short message service using broadcast control channel

Method and apparatus for bidirectional demodulation of digitally modulated signals

Method and apparatus for encoding and decoding digital information

Apparatus and method for secure radio communication

Method and apparauts for symbol decoding

Circuitry and method for initiating communication between communication stations of a radio communication system

Apparatus and method for secure communication based on channel characteristics

ERICSSON GE MOBILE COMMUNICAT

Generalized viterbi algorithm with tail-biting

Method and apparatus for bidirectional demodulation of digitally modulated signals

SONY ERICSSON MOBILE COMM AB

Universal audio jack and plug

ERICSSON TELEFON AB L M

Random access in a mobile telecommunications system