Abstract:
The method comprising estimating, at least one wireless user device (UE) its own velocity from at least one downlink pilot signal being transmitted by any base station from a plurality of different base stations, and further comprising:—broadcasting each one of said plurality of different base stations a parameter relative to its own cell size;—performing said at least one wireless user device in idle mode cell selections and reselections based on said plurality of base station cell size parameters received and said at least one wireless user device estimated velocity; and—reporting, said at least one wireless user device in connected mode, said estimated velocity and cell sizes of neighboring base stations to a serving base station in order to perform handovers based on said reported estimated velocity and said neighboring base station cell sizes.
Abstract:
The method comprising at least one user device provided with at least four antennas, wirelessly connected to a serving base station having between one and four transmit antennas and suffering interferences from at least one interfering base station having between one and four transmit antennas, establishing a data transmission link among a plurality of antennas, and: applying a time shift delay between said serving base station and said at least one interfering base station in order to avoid collision between Cell Reference Signals (CRS) of serving and interfering base stations when said data transmission is established; and introducing changes on the physical layer for PDSCH transmission and reception aimed at achieving inter-layer interference cancellation, said changes introduced comprising the introduction of a pattern of transmission gaps at symbols (l) and subcarrier indices (k) of interfering cell's CRS signals, which will be exploited by said at least one user device for effective interference cancellation.
Abstract:
The method providing by a plurality of eNodeB wireless mobile connectivity to a plurality of User Equipment (UE) and aggregating by means of a node running in non-3GPP network, backhaul load information related to the access line of said plurality of eNodeB or any other remote equipment. The method also, retrieving by a Proxy Serving Gateway (Proxy S-GW) located in said non-3GPP node, said backhaul load information from said non-3GPP node of said plurality of eNodeB; then, communicating said Proxy S-GW with a Service Gateway (S-GW) pertaining to a 3GPP network by means of a standard S1 interface; and finally sending to said S-GW said backhaul load information through said standard S1 interface in order to assign radio resources to said plurality of eNodeB.The system is adapted for implementing the method of the invention.
Abstract:
The method includes: performing a packet scheduling for a plurality of user terminals (UEs) based on information regarding QoS classes, the information regarding QoS classes is included in QoS class identifiers received from an Evolved Packet Core providing communication services to the user terminals. The method further includes receiving channel quality indicators from the plurality of user terminals and performing the scheduling also on the basis of the received channel quality indicators. The system of the invention is arranged to implement the method of the invention.
Abstract:
The method comprising a base station equipped with a large number of antennas according to a two-dimensional rectangular array and a number M of cell users, said rectangular array comprising N1 antenna elements along one axis with a regular spacing dx and N2 antenna elements along a perpendicular axis with a regular spacing dy, said users being characterized by angles (θ,φ) in a spherical coordinate system, where in order to achieve orthogonal multiple access the method comprises: selecting a grid spacing (Δu,Δv) in the (u, v) domain; discretizing the (u, v) domain; constructing a set of signals ST[k,l,f]; calculating time-domain excitations AT[n,m,t] for the antenna elements in the array given by coordinates (ndx,mdy) for generation of the downlink transmit signals; and obtaining the frequency contents SR[k,l,f] of the complex baseband signals received from the M users in the uplink.The system implements the method of the invention.
Abstract:
The system comprising an application CSO gateway coupled to an application layer that configures and monitors a plurality of Data Center Elements storing computing resources; a network CSO gateway coupled to a network layer that configures and monitors a plurality of Network Elements and to receive requests from said ACG to configure connections, wherein the system further includes a Client entity coupled in an already deployed Network Element or in a Data Center Element configured to monitor a segment of the network where said Client entity is found; an IT-Aware Network Controller coupled to said network layer configured to run operations in and from the network regarding information of said monitored network information and of said Data Center Elements; and interfaces coupling the different elements of the system allowing the interconnection and communication between them.The method of the invention is intended to be implemented by the system of the invention.
Abstract:
A system and method for training and validating ML algorithms in real networks, including: generating synthetic traffic and receiving it along with real traffic; aggregating the received traffic into network flows by using metadata and transforming them to generate a first dataset readable by the ML algorithm, comprising features defined by the metadata; labelling the traffic and selecting a subset of the features from the labelled dataset used in an iterative training to generate a trained model; filtering out a part of real traffic to obtain a second labelled dataset; and selecting a subset of features from the second labelled dataset used for validating the trained model by comparing predicted results for the trained model and the labels; repeating the steps with a different subset of features to generate another trained model until results are positive in terms of precision or accuracy.
Abstract:
A method to generate a wireless waveform for use in a wireless communication system, a wireless communication system and computer program product thereofThe method comprises the generation of a waveform for application in the wireless communication system characterized by significant phase noise, Doppler spread, multipath, frequency instability, and/or low power efficiency by at the transmitter side: creating a discrete-time instantaneous frequency signal {tilde over (f)}[n]; appending a cyclic prefix with length LCP to the beginning of the discrete-time instantaneous frequency signal {tilde over (f)}[n]; constructing a discrete-time unwrapped instantaneous phase φ[n]; constructing a discrete-time complex baseband signal, and appending at the beginning a Constant Amplitude Zero Autocorrelation, CAZAC, signal of length LCP for multipath detection; and passing the constructed discrete-time complex baseband signal through a digital-to-analog, DAC, converter to yield the continuous-time radio frequency signal s(t) after conversion to the carrier frequency.
Abstract:
A distributed health-check method for web caching in a telecommunication network, wherein a plurality of web caching nodes are coordinated to monitor a set of origin servers where web content is generated. The method includes associating to each user of the telecommunication network requesting the web content buckets as logical containers for holding the web content requested; generating a list of users of the telecommunication network requesting the web content; and performing the plurality of web caching nodes a number of health-checks to the set of origin servers to download the requested web content. A filtering of the set of origin servers is performed for grouping in different areas of interest and the number of health-checks are performed by a limited number of caching nodes receiving the web content requests. The limited number of caching nodes selected belonging to a specific area of interest of the set of origin servers monitoring them.
Abstract:
A method involving coordinating resources between a victim and an aggressor base station in massive MIMO systems, whereby only those specific beams involved in the interference scenario are coordinated in time and/or frequency domains without affecting other resources committed to other users as well as legacy users. Also disclosed is a system and computer program configured to implement the method.