Inventor

BIRRU DAGNACHEW

US59 patents

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

BIRRU DAGNACHEW

KONINKL PHILIPS ELECTRONICS NV

Digital transmission system for an enhanced ATSC 8-VSB system

Packet identification mechanism at the transmitter and receiver for an enhanced ATSC 8-VSB system

ATSC digital television system

Apparatus and method for generating robust ATSC 8-VSB bit streams

Apparatus and method for constraining the value of feedback filter tap coefficients in a decision feedback equalizer

Trellis encoder with rate 1/4 and 1/2 for a backward compatible robust encoding ATSC DTV transmission system

Generation of decision feedback equalizer data using trellis decoder traceback output in an ATSC HDTV receiver

Configuration for implementing enhanced VSB on the studio side

Method and system for the allocation of UWB transmission based on spectrum opportunities

Hybrid frequency-time domain equalizer

Two stage equalizer for trellis coded systems

Reprogrammable apparatus supporting the processing of a digital signal stream and method

Initialization scheme for a hybrid frequency-time domain equalizer

Sub-banded ultra-wideband communication system

Apparatus and method for using training sequences to estimate timing error in a digital signal receiver

Round-off algorithm without bias for 2&#39;s complement data

BIRRU DAGNACHEW

Preamble structure for enabling multi-mode wireless communications

Electric light and daylight control system with a dual-mode light sensor

System and method for detecting temporarily unused bandwidth in the RF spectrum

Coordination in wireless networks having devices with different physical layer transmission schemes

Ambient light control

Adaptive integrated daylight and electric light control with multi-sensor for controlled-light distribution

Cost-effective preamble structure for high-speed communication of packetized systems

Method and system of wireless device discovery in a wireless network employing directional antennas

Method and system for detecting narrowband signals using a receiver with a wideband frontend

Method and system of single carrier block transmission with parallel encoding and decoding

WANG DONG

Dual carrier modulation precoding

Physical layer convergence protocol (PLCP) packet structure for multiple-input-multiple-output (MIMO) communication systems

Efficient multi-band communication system

Techniques for multiple-subcarrier joint precoding

KONINKLIJKE PHILIPS NV

Efficient multi-band communication system

Detection of the presence of television signals embedded in noise using cyclostationary toolbox

Methods and systems for extending range and adjusting bandwidth for wireless networks

PHILIPS LIGHTING HOLDING BV

Open-loop closed-loop integrated daylight and artificial light control with multipoint sensor calibration

Fault detection, localization and performance monitoring of photosensors for lighting controls

Quantiphi Inc

Method and system for electronic processing of user queries maintaining factual consistency during processing

Multi-table question answering system and method thereof

CORDEIRO CARLOS M

System, apparatus, and method for a two-stage mechanism for quiet period management in spectrum agile radio networks

Methods and systems for extending range and adjusting bandwidth for wireless networks

SEYEDI-ESFAHANI SEYED-ALIREZA

System and method for efficient transmission of multimedia and data

Single-carrier block transmission with trellis coded modulation (TCM), multi-level coded modulation (MLCM) and bit-interleaved MLCM (BIMLCM)

KONINK PHILIPS ELECTTRONICS N

Frequency-domain equalizer for terrestrial digital TV reception

PHILIPS CORP

Delay locked loop

IPG ELECTRONICS 503 LTD

Digital television transmission with error correction

CORDEIRO CARLOS

Spectrum management in dynamic spectrum access wireless systems

YANG JUN

System, apparatus, and method for multi-band OFDM systems with receiver antenna selection per sub-band

VAN HELVOORT MARINUS JOHANNES ADRIANUS MARIA

Method and arrangement for wireless communication of signals in a MR system

SEYEDI ESFAHANI SEYED ALIREZA

System, apparatus, and method for single-carrier block transmission with adaptive guard interval

GADDAM VASANTH R

Packet insertion mechanism for an improved ATSC DTV system

CHALLAPALI KIRAN

Detection of the presence of television signals embedded in noise using cyclostationary toolbox

Round-off algorithm without bias for 2's complement data