Patent application number | Description | Published |
20110034713 | Ortho-metalated, chelate-stabilized benzylamines of the rare-earth metals (RE) Ar3RE - The present invention describes homoleptic, ortho-metalated, chelate-stabilized benzylamine complexes of the rare-earth metals. The rare-earth metals are selected from Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu. In the complexes according to the present invention, at least one benzylic proton of the benzylamine ligand is replaced by an alkyl or aryl group. Such complexes are preferred in which both benzylic protons of the benzylamine ligand are replaced by an alkyl- or aryl group. The complexes according to the present invention are produced by reaction of chelate-stabilized rare-earth metal halides with ortho-lithiated aryl ligands at room temperature under inert gas atmosphere. The complexes according to the present invention are thermally stable and suitable for being used as catalysts for the hydroamination of olefins. | 02-10-2011 |
20110034715 | Cyclopentadienylphosphazene complexes (CpPN Complexes) of metals of the third and fourth group and of the lanthanoids - The present invention concerns cyclopentadienylphosphazene complexes (CpPN complexes) of the metals of the third and fourth group and of the lanthanoids with the exception of lutetium. The complexes according to the present invention are isolobal and isoelectronic to [(CpSiN)TiR | 02-10-2011 |
Patent application number | Description | Published |
20140119474 | INTERLEAVING METHOD AND DEINTERLEAVING METHOD - Bit permutation to bits of a codeword is performed such that: at least one spatial-multiplexing block is made up of bits from B/2 different cyclic-blocks; each constellation word of the at least one spatial-multiplexing block is made up of bits from B | 05-01-2014 |
20140126672 | TRANSMISSION PROCESSING METHOD, TRANSMITTER, RECEPTION PROCESSING METHOD, AND RECEIVER - Information bits are encoded according to a low density parity check code with code rate 7/15 and a codeword length of 16200. The resulting codeword bits are bit-interleaved and the interleaved bits are demultiplexed into 8 sequences of bits. The 8 sequences of bits are permuted according to a predetermined permutation rule: v | 05-08-2014 |
20140269960 | TRANSMITTING METHOD, RECEIVING METHOD, TRANSMITTER AND RECEIVER - D-dimensional vectors that each have D real-valued symbols as elements are converted into D-dimensional rotated vectors that each have D real symbols as elements. The conversion is performed by multiplying each of the D-dimensional vectors by a D×D orthogonal matrix. A complex symbol sequence including N | 09-18-2014 |
20140307535 | TRANSMISSION APPARATUS, RECEPTION APPARATUS, TRANSMISSION METHOD, RECEPTION METHOD, AND METHOD FOR GENERATING MULTI-DIMENSIONAL CONSTELLATIONS - The present invention relates to digital data communication and provides an efficient method for generating multi-dimensional constellations for digital data modulation with a high degree of modulation diversity, a method for transmitting and receiving data on the basis of such constellations, and a corresponding apparatus. This is achieved by considering only multi-dimensional rotation matrices with all elements on the diagonal having the same first absolute value and all other elements having the same second absolute value. In this manner, multi-dimensional rotation matrices can be generated having only a single independent parameter and a structure that is as regular as possible. The independent parameter can be configured in order to minimize the error probability for various constellation sizes. | 10-16-2014 |
20140307822 | TRANSMISSION APPARATUS, RECEPTION APPARATUS, TRANSMISSION METHOD, RECEPTION METHOD, AND METHOD FOR GENERATING MULTI-DIMENSIONAL CONSTELLATIONS - The present invention relates to digital data communication and provides an efficient method for generating multi-dimensional constellations for digital data modulation with a high degree of modulation diversity, a method for transmitting and receiving data on the basis of such constellations, and a corresponding apparatus. This is achieved by considering only multi-dimensional rotation matrices with all elements on the diagonal having the same first absolute value and all other elements having the same second absolute value. In this manner, multi-dimensional rotation matrices can be generated having only a single independent parameter and a structure that is as regular as possible. The independent parameter can be configured in order to minimize the error probability for various constellation sizes. | 10-16-2014 |
20140362947 | PILOT PATTERNS FOR OFDM SYSTEMS WITH MULTIPLE ANTENNAS - The present invention relates to orthogonal frequency—division multiplexing (OFDM) communication systems with multiple transmit antennas receive antennas, and in particular to methods for inserting scattered pilots (SPs) into the transmit signals of such OFDM systems, for estimating channel properties on the basis of the scattered pilots, a multi-antenna OFDM transmitter, and an OFDM receiver. In this context, it is the particular approach of the present invention to keep the same SP pattern like in the single-transmitter case, to partition the pilots into as many subsets as there are transmitters (transmit antennas), and to interleave these subsets both in time and in frequency. In this manner, the granularity of pilots of the same subset is reduced. This offers increased flexibility in designing the scattered pilot patterns and greater accuracy of the estimated channel properties. | 12-11-2014 |
Patent application number | Description | Published |
20090261994 | Device and method for polyphase resampling - The invention relates to a method and a device for polyphase resampling, having a coefficient generator ( | 10-22-2009 |
20110317785 | PILOT PATTERNS FOR OFDM SYSTEMS WITH MULTIPLE ANTENNAS - The present invention relates to orthogonal frequency-division multiplexing (OFDM) communication systems with multiple transmit antennas receive antennas, and in particular to methods for inserting scattered pilots (SPs) into the transmit signals of such OFDM systems, for estimating channel properties on the basis of the scattered pilots, a multi-antenna OFDM transmitter, and an OFDM receiver. In this context, it is the particular approach of the present invention to keep the same SP pattern like in the single-transmitter case, to partition the pilots into as many subsets as there are transmitters (transmit antennas), and to interleave these subsets both in time and in frequency. In this manner, the granularity of pilots of the same subset is reduced. This offers increased flexibility in designing the scattered pilot patterns and greater accuracy of the estimated channel properties. | 12-29-2011 |
20120307842 | TRANSPORT STREAM PACKET HEADER COMPRESSION - A demultiplexer | 12-06-2012 |
20120314762 | TRANSMISSION METHOD, RECEPTION METHOD, TRANSMISSION APPARATUS, AND RECEPTION APPARATUS - The present invention relates to transmission and reception of digital broadcast in a digital broadcast network supporting a configuration of multiple physical layer pipes (PLPs). In particular, signalling parameters relating to a complete PLP are transmitted within layer | 12-13-2012 |
20120327955 | PHYSICAL LAYER SIGNALLING FOR DIGITAL BROADCAST SYSTEM - The present invention relates to a physical layer signalling in a digital broadcast network. In particular, for a digital broadcast network supporting a configuration with a plurality of physical layer pipes, a type indicator is signalled on physical layer for a pipe, the type indicator indicates the format of the input stream which may specify a transport stream, a generic stream or an IP stream. In addition, per physical layer pipe application of header and/or content compression to the user packet headers of the input stream is signalled. Another physical layer parameters are advantageously provided or extended in order to increase the flexibility and efficiency of the layer 1 signalling. | 12-27-2012 |
20130216001 | INTERLEAVING METHOD AND DEINTERLEAVING METHOD - An interleaving method performed by a transmitter for a communication system with quasi-cyclic low-density parity-check codes, spatial multiplexing, and T transmit antennas is used for applying permutation to N cyclic blocks of a codeword in order to map bits of the permutated cyclic blocks onto T constellation words constituting multiple spatial-multiplexing blocks from the codeword. Each cyclic block consists of Q bits. | 08-22-2013 |
20140056330 | TRANSMISSION METHOD, TRANSMITTER, RECEPTION METHOD, AND RECEIVER - Provided is a transmission method that converts an encoded block of data into first complex symbols each including a real component and an imaginary component, one or which is designated as a first component and the other as a second component; writes the first components and the second components of the first complex symbols respectively column by column into a first interleaver matrix and a second interleaver matrix having N | 02-27-2014 |
20140075271 | PARALLEL BIT INTERLEAVER - A bit interleaving method involves applying a bit permutation process to bits of a QC-LDPC codeword made up of N cyclic blocks each including Q bits, and dividing the codeword after the permutation process into a plurality of constellation words each including M bits, the codeword being divided into F×N′/M folding sections (N′ being a subset of N selected cyclic blocks and being a multiple of M/F), each of the constellation words being associated with one of the F×N′/M folding sections, and the bit permutation process being applied such that each of the constellation words includes F bits from each of M/F different cyclic blocks in a given folding section associated with a given constellation word. | 03-13-2014 |
20140126674 | PARALLEL BIT INTERLEAVER - A bit interleaving method involves applying a bit permutation process to a QC LDPC codeword made up of N cyclic blocks each including Q bits, and dividing the codeword, after the bit permutation process, into a plurality of constellation words each imade up of M bits, the codeword being divided into N/M sections, each constellation word being associated with one of the N/M sections, and the bit permutation process being performed such that each of the constellation words includes one bit from each of M different cyclic blocks associated with a given section. | 05-08-2014 |
20140129895 | PARALLEL BIT INTERLEAVER - A bit interleaving method applying a bit permutation process to a QC LDPC codeword made up of N cyclic blocks of Q bits each, dividing the processed codeword into constellation words of M bits each, and applying an intra-cyclic-block permutation process to the cyclic blocks, where the codeword is divided into F×N/M folding sections of M/F cyclic blocks each and the constellation words are each associated with one of the folding sections, and the bit permutation process is applied such that the constellation words are each made up of F bits from each of M/F different cyclic blocks in the associated section, after the permutation process. | 05-08-2014 |
Patent application number | Description | Published |
20080200440 | Progesterone receptor antagonists - The present invention relates to progesterone receptor antagonists of general formula I: | 08-21-2008 |
20080242866 | SYNTHESIS OF ANTHRANILAMIDES - The present invention relates to a novel method of preparing anthranilamides of formula I: | 10-02-2008 |
20080242868 | PROCESS FOR PREPARING EPOTHILONE DERIVATIVES BY SELECTIVE CATALYTIC EPOXIDATION - The present invention describes a novel process for preparing an epothilone derivative using substituted pyridines and methyltrioxorhenium as catalyst. | 10-02-2008 |
20100248313 | NOVEL OPTICALLY ACTIVE, HETEROAROMATIC BETA-HYDROXY ESTERS AND PROCESSES FOR THEIR PREPARATION FROM BETA-KETO ESTERS AND PROCESSES FOR THE PREPARATION OF THESE BETA-KETO ESTERS - The present invention relates to new optically active heteroaromatic β-hydroxy esters useful in the synthesis of epothilone derivatives, to certain compounds used to produce these intermediates, as well as to processes for their production. | 09-30-2010 |
20110009654 | 11B-FLUORO-3-ACETOXYESTRA-3,5-DIEN-17-ONE AND METHOD FOR THE PRODUCTION THEREOF - The present invention relates to 11β-fluoro-3-acetoxyestra-3,5-dien-17-one as a suitable intermediate in the preparation of 11-fluoro-substituted steroids and to the process for preparation thereof. For this purpose, 11α-hydroxyestra-4-ene-3,17-dione is reacted with 1 to 3 equivalents of n-nonafluorobutanesulfonyl fluoride and 3 to 5 equivalents of diazabicycloundecene (DBU) at −40 to −20° C. in an organic aprotic solvent and, after an aqueous workup, reacted with 5 to 10 equivalents of acetic anhydride and 0.01 to 1 equivalent of a strong acid. The desired product precipitates spontaneously out of the reaction solution and is obtained in a very high purity by filtration. The process is notable for the very high yield, avoidance of a chromatographic purification of the product, a reduced proportion of wastes and significantly increased process throughput. The process according to the invention is therefore especially suitable for preparing 11β-fluoro-3-acetoxyestra-3,5-dien-17-one on a large industrial scale. | 01-13-2011 |
20110071165 | Aza- and polyazanthranyl amides and their use as medicaments - Aza- and polyazanthranyl amides and their use as medicaments in the treatment of diseases caused by persistent angiogenesis are described, as well as the intermediates used in the preparation of the aza- and polyazanthranyl amides. | 03-24-2011 |
20120077984 | Process For Preparing Epothilone Derivatives By Selective Catalytic Epoxidation - The present invention describes a novel process for preparing an epothilone derivative using substituted pyridines and methyltrioxorhenium as catalyst. | 03-29-2012 |