Patent application number | Description | Published |
20100309995 | METHOD FOR SENDING AND RECEIVING A SIGNAL IN A MULTIPLE-ANTENNA SYSTEM IMPLEMENTING SPATIAL PRE-ENCODING, CORRESPONDING SENDER, RECEIVER AND COMPUTER PROGRAM PRODUCTS - A method and apparatus are provided for emitting and receiving a signal in a multi-antennae system, using spatial precoding. A method for emitting a signal from an emitter towards a receiver via a transmission channel, in the form of a set of data flows, includes distributing the emission antennae into a plurality of groups containing at least one antenna, at least one group containing two antennae, according to at least one piece of information representing the transmission channel. The method also includes: attributing an efficiency to each emission antenna; allocating an emission power to each data flow; and spatial precoding the signal, using a matrix for diagonal precoding by blocks, containing at least two blocks, each block being associated with one of the groups of antennae. | 12-09-2010 |
20130022088 | METHOD FOR TRANSMITTING A DIGITAL SIGNAL FOR A SEMI-ORTHOGONAL MARC SYSTEM HAVING HALF-DUPLEX RELAY, AND CORRESPONDING PROGRAM PRODUCT AND RELAY DEVICE - A method and device are provided for transmitting a digital signal intended for a network having at least four nodes including two transmitters, a relay and a receiver separated from one another by non-orthogonal links, except between the relay and the destination, between which the link is orthogonal, implementing a spatially distributed network code. The method includes: encoding, in each transmitter, supplying a code word for every block of K bits of information; transmitting, in the transmitters, the code word during αN transmission intervals, αε [0,1]; jointly, iteratively detecting/decoding, in the relay, in order to separate interfering streams from the transmitters and to determine, for each stream, a vector representing the K bits of information associated with the code word; jointly encoding, in the relay, the two vectors in order to determine redundancy information, and scheduling the relays to transmit the redundancy information during the (1−α)N following transmission intervals. | 01-24-2013 |
20130034044 | METHOD OF TRANSMITTING A DIGITAL SIGNAL FOR A MARC SYSTEM WITH A FULL-DUPLEX RELAY, A CORRESPONDING PROGRAM PRODUCT AND RELAY DEVICE - A method and apparatus for transmitting a signal for a network having at least four nodes comprising two transmitters, a relay, and a receiver that are connected together by non-orthogonal links implementing a spatially-distributed network code. The method includes each transmitter delivering a code word per block of K information bits and transmitting the code words during N time slots; iterative joint detection/decoding in the relay to separate respective streams and determine, per stream, a vector representative of the received code word; jointly coding two vectors derived from the two streams to determine redundancy information representative of two code words transmitted during N time slots; transmitting, by the relay, redundancy information during N time slots; and sequencing in the relay such that the redundancy information transmitted during the N time slots corresponds to the code words transmitted during the preceding N time slots. | 02-07-2013 |
20130250776 | Method and a Device for Relaying in a Communications Network - A method and device for selective relaying in a communications network having a plurality of sources, a relay, and a destination. The method includes the following steps: the relay receives messages transmitted respectively by the sources in order to obtain an estimate of the messages; the relay detects errors in the estimated messages; the relay transmits a representative signal to the destination, the signal being representative of only those messages for which no error was detected and resulting from a non-bijective surjective function applied to the messages detected without error, the function including interleaving and encoding; and the representative signal being transmitted by the relay to the destination with a check signal indicating which messages are represented in the representative signal. | 09-26-2013 |
Patent application number | Description | Published |
20110088283 | FOOTWEAR WITH IMPROVED TIGHTENING OF UPPER - An article of footwear including a sole, an upper, a first tightening device for tightening the lateral portion and the medial potion of the article of footwear, as well as a second tightening device for tightening a rear portion. The second tightening device includes a linkage, such as a lace, the linkage including a first inextensible portion and an elastic mechanism, the first inextensible portion extending along the rear portion, as well as along at least one of the lateral and medial portions, the elastic mechanism biasing the first inextensible portion in a direction reducing the length of the linkage, the article of footwear further including a reversible immobilization mechanism for immobilizing the inextensible portion with respect to the upper. | 04-21-2011 |
20110185595 | FOOTWEAR WITH IMPROVED UPPER - A boot including a sole assembly and an upper, the boot extending lengthwise from a rear end to a front end, widthwise between a lateral side and a medial side, and heightwise from the sole assembly to an upper end, the boot including a flexible envelope adapted to surround the ankle of a user, the envelope demarcating the upper end of the boot, the boot further including a gripping member affixed to the envelope in the area of the upper end of the boot, on the side of the rear end. An inextensible reinforcement connects the rear end to the gripping member. | 08-04-2011 |
20120311890 | FOOTWEAR WITH IMPROVED UPPER - An article of footwear including a sole assembly and an upper, the upper including a flexible envelope, the boot extending lengthwise from a rear end to a front end, widthwise between a lateral side and a medial side, and height-wise from the sole assembly to an upper end, the boot including a stiffener located in the area of the rear end. The boot includes a reinforcement which is at least partially superimposed onto the stiffener. | 12-13-2012 |
20140150300 | ADAPTABLE SPORTS FOOTWEAR - A boot adapted for the practice of a sporting activity using a gliding or rolling apparatus, in which the heel of the boot is free during movement of the foot, the front end of the boot being provided with an element for fastening to the apparatus. The boot includes a base and an adaptation structure having a first portion to be fixed in a front zone of the base, and a second portion to be fixed in a rear zone of the base, each of which can be removably fixed. | 06-05-2014 |
20140151981 | SPORTS FOOTWEAR WITH ADJUSTABLE BENDING - A bending base of a footwear element provided for the practice of a sporting activity using a gliding or rolling apparatus, comprising structure for removably fixing the footwear element in relation to this base, the base having flexibility along the length of the foot, and structure for removably fixing, against the base, at least one element for fastening to the apparatus. | 06-05-2014 |
Patent application number | Description | Published |
20120185255 | IMPROVED CODING/DECODING OF DIGITAL AUDIO SIGNALS - A method of hierarchical coding of a digital audio frequency input signal into several frequency sub-bands, including a core coding of the input signal according to a first throughput and at least one enhancement coding of higher throughput, of a residual signal. The core coding uses a binary allocation according to an energy criterion. The method includes for the enhancement coding: calculating a frequency-based masking threshold for at least part of the frequency bands processed by the enhancement coding; determining a perceptual importance per frequency sub-band as a function of the masking threshold and as a function of the number of bits allocated for the core coding; binary allocation of bits in the frequency sub-bands processed by the enhancement coding, as a function of the perceptual importance determined; and coding the residual signal according to the bit allocation. Also provided are a decoding method, a coder and a decoder. | 07-19-2012 |
20120185256 | ALLOCATION OF BITS IN AN ENHANCEMENT CODING/DECODING FOR IMPROVING A HIERARCHICAL CODING/DECODING OF DIGITAL AUDIO SIGNALS - A method of binary allocation in an enhancement coding/decoding for improving a hierarchical coding/decoding of digital audio signals, including a core coding/decoding in a first frequency band and a band extension coding/decoding in a second frequency band. For a predetermined number of bits to be allocated for the enhancement coding/decoding, a first number of bits is allocated to a coding/decoding for correcting the core coding/decoding in the first frequency band and according to a first mode of coding/decoding and a second number of bits is allocated to an enhancement coding/decoding for improving the extension coding/decoding in the second frequency band and according to a second mode of coding/decoding. Also provided are an allocation module implementing the method and a coder and decoder including this module. | 07-19-2012 |
20130289981 | LOW-DELAY SOUND-ENCODING ALTERNATING BETWEEN PREDICTIVE ENCODING AND TRANSFORM ENCODING - An encoder and a method for encoding a digital signal are provided. The method includes encoding a preceding frame of samples of the digital signal according to a predictive encoding process, and encoding a current frame of samples of the digital signal according to a transform encoding process. The method is implemented such that a first portion of the current frame is also encoded by predictive encoding that is limited relative to the predictive encoding of the preceding frame by reusing at least one parameter of the predictive encoding of the preceding frame and only encoding the parameters of said first portion of the current frame that are not reused. A decoder and a decoding method are also provided, which correspond to the described encoding method. | 10-31-2013 |