Abstract: The present invention concerns a method for computing a soft estimate of coded bits forming transmitted symbol vectors of a multi-dimentional constellation, the transmitted vectors being received by a receiver from a source through a channel, characterized in that the method comprises the steps of: —obtaining from the receiver memory a predetermined list of vectors with integer or gaussian integer entries, —obtaining a channel matrix estimation between the source and the receiver and received symbols, —obtaining a reduced channel matrix and a change of basis matrix from the channel matrix estimation, —computing a vector with integer coordinates at least from the reduced channel matrix and the received symbols, —shifting the predetermined list of vectors around the vector with integer coordinates and obtaining a shifted list of vectors, —computing a soft estimation of the coded bits according to vectors belonging to the shifted list of vectors and to a transformed multi-dimentional constellation obtained from

Abstract: For determining transmission channel resources to be allocated for a communication, a processing device: obtains an interference profile representative of interference with said communication implied by at least one predicted interferer; determines, for each set of transmission channel resources made available to perform said communication, a first figure of merit representative of robustness to frequency-selective interference with said communication that might be implied by unpredicted interferers; determines from the interference profile, for each set of transmission channel resources made available to perform said communication, a second figure of merit representative of robustness to frequency-selective interference with said communication that is expected to be implied by predicted interferers; and selects transmission channel resources that optimize the first figure of merit under a QoS-target constraint applied to the second figure of merit.

Abstract: For performing K individual transmissions between an access point managing a cell of a wireless communications network to plural mobile terminals via time and frequency resources from amongst a predefined set of candidate time and frequency resources on a per frame period basis, one time and frequency resource being allocated to each one of the K individual transmissions in a considered frame period, the access point: obtains a frequency allocation descriptor F indicating which frequency resource is allocated in the considered frame period to each one of the K individual transmissions; obtains a frequency occurrence descriptor G indicating how many times each candidate frequency resource is used for performing the K individual transmissions in the considered frame period; signals the frequency occurrence descriptor G in said cell; and enables transmitting data for the K individual transmissions in accordance with the frequency allocation descriptor F and a predetermined frequency sequencing rule.

Abstract: A method for determining features of an error correcting code system, comprising independent error correcting codes and a polarization module, allowing transmitting a binary input vector on block fading sub-channels, the independent error correcting codes generating components of the binary input vector and a channel polarization being applied to the binary input vector by the polarization module. The method comprises: obtaining characteristics of the block fading sub-channels; and, determining features of said error correcting code system, comprising, for each error correcting code, a rate of said error correcting code, adapted to the obtained characteristics and minimizing a function of a probability that an instantaneous equivalent channel capacity of the block fading sub-channels is below a transmission rate transmitted on the block fading sub-channels.

Abstract: For determining time and frequency resources, a first device performs: obtaining groups of time and frequency resources of the wireless communications network so as to form a redrawn grid; allocating time and frequency resources according to the redrawn grid and to a frequency hopping criteria; and providing signalling information representative of the time and frequency resources that have been allocated according to the redrawn grid. In order to determine which time and frequency resources of the initial grid to be used for performing said transmissions, a second device performs: obtaining the signalling information so as to determine the time and frequency resources that have been allocated according to the redrawn grid; and applying a predetermined pattern mask onto the determined time and frequency resources that have been allocated according to the redrawn grid.

Abstract: A processing device: obtains first observations of interference performed during at least one first journey for at least one first portion of a path; obtains second observations of interference performed during the first journey(s) for a second portion of said path; obtaining third observations of interference performed during a second journey for said first portion(s); estimating the interference expected to be encountered on said second portion during said second journey, by combining the obtained first, second and third observations such that the part of the third observations related to interference induced by wayside interferers is substantially compensated by the first observations and the part of the second observations related to interference induced by on-board interferers is substantially compensated by the first observations.

Abstract: For allocating resources for a downlink communication on a frequency selective channel from an access point of a wireless telecommunications network to a communication device located in a moving conveyance performing a journey on a path, a processing device performs: obtaining a first interference profile according to a position of the moving conveyance on the path, said first interference profile being representative of interference on said downlink communication implied by at least one interferer located along the path; obtaining a second interference profile, said second interference profile being representative of interference on said downlink communication implied by at least one interferer located in the moving conveyance; and allocating the resources for said downlink communication, on the basis of the first and second interference profiles.

Abstract: Method for computing likelihoods in a process for reconstructing decoded information words from vectors of observations received from a wireless channel and generated from vectors of transmission symbols using a plurality of Alamouti matrix based Differential Space Time Block Codes coder. The method comprises applying an iterative reconstruction process, comprising, in a current iteration: receiving a vector of observations; determining, at least one vector of approximated scaling factors to be applied to the vector of observations; determining for each vector of approximated scaling factors a vector of approximated scaled equivalent channel models; and, computing likelihoods in the form of values representative of joint probabilities of obtaining the vector of observations knowing a vector of modulated symbols and a model of the wireless channel using each determined vector of approximated scaling factors and each determined vector of approximated scaled equivalent channel models.

Abstract: A method for setting, in a wireless cellular telecommunication network, a power of radio signals transferred by mobile terminals served by plural nodes, the method including, executed by a server in charge of the nodes: checking if a message is received from one of the nodes, the message being representative of occurrence of an event in a cell of the node which transferred the message; adjusting a common parameter value for the nodes according to reception or not of the message; and transferring to each node the adjusted common parameter value or information derived from the adjusted common parameter value.

Abstract: Considering individual sequences T1, . . . , TK over N successive frames for performing K individual transmissions, one time and frequency resource is allocated to each individual transmission per frame. The time and frequency resources can be represented by a grid with time resources on one dimension and frequency resources on another dimension. A managing device: computes a figure of merit G(A, T1, . . . , TK) for each possible set of the individual sequences T1, . . . , TK over the N successive frames on which respective frequency hopping sequences [A1, . . . , AN]=A apply, the figure of merit G(A, T1, . . . , TK) being representative of transmission robustness to interference and/or noise and/or path loss, and being determined under a constraint such that the frequency hopping sequences A1, . . .

Abstract: A processing device: obtains first observations of interference performed during at least one first journey for at least one first portion of a path; obtains second observations of interference performed during the first journey(s) for a second portion of said path; obtaining third observations of interference performed during a second journey for said first portion(s); estimating the interference expected to be encountered on said second portion during said second journey, by combining the obtained first, second and third observations such that the part of the third observations related to interference induced by wayside interferers is substantially compensated by the first observations and the part of the second observations related to interference induced by on-board interferers is substantially compensated by the first observations.

Abstract: For performing K individual transmissions between an access point managing a cell of a wireless communications network to plural mobile terminals via time and frequency resources from amongst a predefined set of candidate time and frequency resources on a per frame period basis, one time and frequency resource being allocated to each one of the K individual transmissions in a considered frame period, the access point: obtains a frequency allocation descriptor F indicating which frequency resource is allocated in the considered frame period to each one of the K individual transmissions; obtains a frequency occurrence descriptor G indicating how many times each candidate frequency resource is used for performing the K individual transmissions in the considered frame period; signals the frequency occurrence descriptor G in said cell; and enables transmitting data for the K individual transmissions in accordance with the frequency allocation descriptor F and a predetermined frequency sequencing rule.

Abstract: For setting cooperation parameters of a communication system including a plurality of node devices interconnected by links and adapted to be respectively configured according to said cooperation parameters, a cooperation phase comprises: gathering measurements data representative of measurements of the random variables; optimizing the figure of merit for determining said cooperation parameters, on the basis of the obtained measurements. At least one link implying quantization operations relying on a codebook for gathering said measurements data and/or for providing said cooperation parameters, a pre-processing phase comprises beforehand: obtaining statistics data relative to a probability distribution of said random variables; and determining every codebook on the basis of the figure of merit, such that the figure of merit is statistically optimized according to the obtained statistics.

Abstract: For authenticating at least one terminal requesting access to at least one resource, an authentication server performs: obtaining for each terminal at least one piece of authentication information; transmitting to a gateway device at least one checking function, or coefficients thereof. Each piece of authentication information is representative of a value such that, when inputted to respective checking function(s), the checking function(s) return(s) a predefined value.

Abstract: A method for setting power of radio signals transferred by a node and/or of the radio signals transferred by mobile terminals served by the node. The node: receives, from at least one neighbouring node, at least one parameter value used by the neighbouring node for setting the power of the radio signals transferred by the neighbouring node and/or of the radio signals transferred by mobile terminals served by the neighbouring node, determines, at least from the parameter value, a parameter value to be used by the node, sets the power of the radio signals transferred by the node and/or the power correction of the radio signals transferred by mobile terminals served by the node according to the determined parameter value, and transfers at least the determined parameter value to the at least one neighbouring node.

Abstract: For determining time and frequency resources, a first device performs: obtaining groups of time and frequency resources of the wireless communications network so as to form a redrawn grid; allocating time and frequency resources according to the redrawn grid and to a frequency hopping criteria; and providing signalling information representative of the time and frequency resources that have been allocated according to the redrawn grid. In order to determine which time and frequency resources of the initial grid to be used for performing said transmissions, a second device performs: obtaining the signalling information so as to determine the time and frequency resources that have been allocated according to the redrawn grid; and applying a predetermined pattern mask onto the determined time and frequency resources that have been allocated according to the redrawn grid.

Abstract: Considering individual sequences T1, . . . , TK over N successive frames for performing K individual transmissions, one time and frequency resource is allocated to each individual transmission per frame. The time and frequency resources can be represented by a grid with time resources on one dimension and frequency resources on another dimension. A managing device: computes a figure of merit G(A, T1, . . . , TK) for each possible set of the individual sequences T1, . . . , TK over the N successive frames on which respective frequency hopping sequences [A1, . . . , AN]=A apply, the figure of merit G(A, T1, . . . , TK) being representative of transmission robustness to interference and/or noise and/or path loss, and being determined under a constraint such that the frequency hopping sequences A1, . . .

Abstract: For determining transmission channel resources to be allocated for a communication, a processing device: obtains an interference profile representative of interference with said communication implied by at least one predicted interferer; determines, for each set of transmission channel resources made available to perform said communication, a first figure of merit representative of robustness to frequency-selective interference with said communication that might be implied by unpredicted interferers; determines from the interference profile, for each set of transmission channel resources made available to perform said communication, a second figure of merit representative of robustness to frequency-selective interference with said communication that is expected to be implied by predicted interferers; and selects transmission channel resources that optimize the first figure of merit under a QoS-target constraint applied to the second figure of merit.

Abstract: For allocating time and frequency resources for at least one data transmission via a fast fading frequency selective channel between an access point of a wireless telecommunications network and at least one communication device located in at least one respective moving conveyance, a processing device: obtains long-term SINR information for a set of time and frequency resources; obtains at least one frequency correlation profile; obtains at least one time correlation profile; computes figures of merit for potential sequences of time and frequency resources, based on the obtained long-term signal-plus-interference to noise ratio information and on the obtained time and frequency correlation profiles; selects a sequence that provides a figure of merit that expects reaching a target quality of service for said data transmission(s) or that is the best figure or merit; allowing said data transmission(s) via the selected sequence.

Abstract: The present invention concerns a method and a device for adjusting the transmission of the signals transferred by a home base station through a wireless interface, the home base station is located in a cell of a base station, the home base station belongs to a first tracking area, the base station belongs to a second tracking area in which a mobile is supposed to be. The home base station: transfers through the wireless interface signals identifying a third tracking area which is different from the first and second tracking areas and which the base station and the home base station do not belong to, checks if a signal is received from the mobile terminal in response to the transferred signals identifying the third tracking area, enters an inter cell interference coordination procedure if the signal is received from the mobile terminal in response.