Telecom Italia S.p.a.

Politecnico Di Torino

Gian Michele Dell'Aera

Bruno Melis

Marco Caretti

Maurizio Fodrini

Ivano Salvatore Collotta

Dario Sabella

Davide Sorbara

Marina Mondin

Francesco Mauro

Paolo Priotti

Roberto Fantini

Giuseppe Catalano

Carla Fabiana Chiasserini

Damiano Rapone

Zana Limani

Fabio Mondin

Priotti Paolo

A receiver adapted to receive a modulated signal including useful and interfering signals and to detect information bits carried thereon. The modulated signal comprises signal components each one associated with a respective modulation subcarrier and including respective useful and interfering signal components. The receiver may include a first estimation unit providing a respective first useful signal component estimate indicative of the useful signal component for each signal component; a second estimation unit providing a respective second useful signal component estimate indicative of the useful signal component for each signal component; a channel estimation unit estimating, for each signal component, a first channel frequency response associated with the respective useful signal component and a second channel frequency response associated with the respective interfering signal component; and a control unit determining, for each signal component, an interference level experienced by that signal component according to respective first and second channel frequency responses.

Reconfigurable receiver for wireless communication networks

A method for a wireless network, including a node and a first device covered by the node, the node acting as serving node for the first device, and the first device transmitting first data to the node over a first link, includes determining presence of a second device covered by the node, the second device transmitting second data to a serving node over a second link, determining radio quality of the first link, determining radio quality of the second link, and determining radio quality of a third link between the second device and the first device. If the radio quality of the third link is higher than the radio quality of the second link, the second device transmits the second data to the first device over the third link and the first device retransmits, over the first link, the second data to the node.

Configurable wireless device network

A method for managing a full duplex mobile telecommunication network, includes measuring power of uplink and down link transmission from adjacent base stations and a user equipment, respectively. The method also includes comparing the measured powers of the uplink and downlink transmission, and if the power of the uplink transmission is lower than the power of the downlink transmission, the base station allocates dedicated uplink resources to the uplink transmission. The dedicated uplink resources are radio resources reserved only for uplink transmissions and are not usable for downlink transmissions. The dedicated uplink resources are assigned to the user equipment.

Mobile telecommunication network architecture for mitigating uplink interference

A method for managing a full duplex mobile telecommunication network includes providing a coordination unit of a set of base stations, and having the coordination unit group a plurality of user equipment served by said base stations to form corresponding user groups. Each user group includes a group of user equipment which are close to each other by an extent such to cause potential user equipment to user equipment interference. The method also includes having the coordination unit allocate radio resources for at least one between transmissions from user equipment to base stations, and transmissions from base stations to user equipment. The method further includes having each base station carrying out at least receiving transmissions from at least one served user equipment, and sending transmissions to at least one served user equipment by exploiting the allocated radio resources.

Method and system for managing UE-to-UE interference in a mobile telecommunication network

It is disclosed a method for supporting a machine-to-machine communication over a mobile communication network. The communication involves machine-to-machine devices that connect to the mobile communication network through a gateway including a transceiver module to connect to the mobile communication network over a radio link. The method includes determining whether a radio carrier is present over the radio link, and in the absence of the radio carrier, switching off the transceiver module for a first time period. After the first time period elapsed, the transceiver module is switched on for a second time period. The method further includes, after the second time period elapsed, repeating steps above. The first time period and the second time period are determined on the basis of a number of parameters whose value depend on at least one set of values provided to the gateway by the mobile communication network.

Machine-to-machine communication over a mobile communication network

A mobile network includes a base station having a central unit and a remote unit. The remote unit includes data buffers, each one associated with a respective user equipment for temporarily storing data to be transmitted thereto. For each selected user equipment, a method includes determining a status of the data buffer associated with the selected user equipment, and determining an average data traffic that the selected user equipment is able to receive. According to the status of the remote unit data buffer and to the average data traffic, a data throughput is determined with which the central unit can transmit the data for the selected user equipment to the data buffer associated with the selected user equipment. The method also causes the central unit to transmit the data for the selected user equipment to the data buffer associated thereto according to the determined data throughput.

Fronthaul congestion control in a mobile communication network

A method for allocating resource blocks on a cellular network including transceiver stations to provide cell coverage for allowing user equipment within the cell to exchange data via uplink or downlink. The method includes, at a cell, reiterating operations at each or a group of transmission time intervals. The operations include listing user equipment requiring resource blocks in a priority list; b) for the user equipment listed in the priority list, executing operations b1) and b2) or b1) and b3): b1) selecting a set of resource blocks including at least one resource block; b2) if the selected set of resource blocks has not been assigned to other user equipment, assigning to the user equipment the selected set of resource blocks; b3) if the selected set of resource blocks has been assigned to other user equipment, replacing the user equipment from the priority list with user equipment in a collision list.

Scheduling method and system

An iterative receiver receives a signal including useful and interfering signal components, and detects information carried thereon. The receiver includes at least one estimating unit receiving the signal and providing an estimate of each signal component, and at least two decoding and regenerating units, at each iteration, each decoding and regenerating unit decoding a respective one among the estimates and for regenerating the respective decoded estimate into a respective regenerated estimate. At each receiver iteration, the at least one estimating unit provides estimates based on regenerated estimates provided at a previous iteration. The receiver further includes a control unit determines activation or deactivation of each decoding and regenerating unit at each process step of a detection process dedicated to detection of the signal, and determines, for each process step, a respective number of allowed iterations for each decoding and regenerating unit whose activation has been determined for that process step.

Receiver for wireless communication networks

A method for managing a cellular network. The cellular network includes a plurality of base stations each one configured to exchange data with user equipment located in a corresponding cell by exploiting a downlink data channel and an uplink data channel according to a frequency division duplexing scheme. The method includes: having a first base station exchanging coordination information with a second base station, the coordination information being related to at least one among channel state condition and resources allocation to user equipment, the having the first base station exchanging coordination information with the second base station including: transmitting the coordination information from the first base station to the second base station exploiting a portion of the downlink data channel.

Cellular mobile communication network having network cells intercommunicating via radio signals, particularly for network cells coordination for interference control

A method for transmitting broadcast network information in a mobile wireless communication network includes a plurality of network nodes. The method includes providing a compression of broadcast network information related to a group of coordinated network nodes of the plurality of network nodes; coding the compressed broadcast network information by segmenting the compressed broadcast network information into a number of blocks and linearly combining the blocks into a plurality of linear combinations of blocks; and transmitting the linear combinations of blocks by the group of coordinated network nodes.

Network information transmission in a mobile communication network

A method of operating a mobile communication network including plural radio transceiver stations serving and managing communications between mobile communication devices. The method includes: a first radio transceiver station commanding, to a first mobile communication device, transmission of a probe signal; the first radio transceiver station providing to a second mobile communication device parameters useful to the second mobile communication device for receiving the probe signal; the first radio transceiver station performing a first measuring the probe signal; the first radio transceiver station receiving a second measure of the probe signal, performed by the second mobile communication device; the first radio transceiver station comparing the first and second measures; the first radio transceiver station commanding a switch of the communication of the first mobile communication device towards the second mobile communication device to a direct device-to-device communication based on a result of the comparing.

Device-to-device communication management in mobile communication networks

A method is proposed for scheduling, in a radio mobile network, serving cell/radio resource allocation pairs for transmission of data flows using Carrier Aggregation. Each serving cell/radio resource allocation pair includes a serving cell and a radio resource thereof allocated for transmission of data flows using Carrier Aggregation. At each scheduling period the method determines active data flows whose transmission is not yet completed at the current scheduling period, and performs a series of steps for each active data flow.

Scheduling method and system for fourth generation radio mobile networks

A method for controlling a heterogeneous wireless network () is proposed. The heterogeneous wireless network comprises at least one first base station () which manages communication of a plurality of first user equipments (M) positioned in at least one first cell () and at least one second base station () which manages communication of a plurality of second user equipments () positioned in at least one second cell (). Moreover, in the heterogeneous network (), for each first user equipment (M) the at least one first base station () provides a respective first allocation information set over a respective first allocation time interval. Similarly, the at least one second base station () provides for each second user equipment () a respective second allocation information set over a respective second allocation time interval. Furthermore, each first allocation information set and each second allocation information set define transmission resources for communications of each first user equipment (M) and of each second user equipment (M), respectively. In the heterogeneous wireless network (), the at least one second cell () is at least partially comprised in the first cell (). The method comprises the following steps. Said at least one first base station determines () a set of probably interfering first user equipments () with at least one of the plurality of second user equipments (). Said step of determining the set of probably interfering first user equipments () comprises the following steps. Comparing each second allocation information set with each first allocation information set having the first allocation time interval at least partially overlapped with the respective second allocation time interval, and identifying as a probably interfering first user equipment () each first user equipment () for which a correspondence is verified in said comparing allocation information sets. The method further comprises the following steps. Said at least one second base station () defines a detection time window in order to analyze univocal identifiers transmitted by probably interfering first user equipments () in said set. The method comprises identifying () a subset of effectively interfering first user equipments () with the plurality of second user equipments (). Said at least one first base station () modifies () said transmission resources for at least one first user equipment () comprised in the subset of effectively interfering first user equipments () in order to mitigate interferences.

Uplink interference mitigation in heterogeneous mobile networks

A wireless communication network including a first transceiver station for transmitting first signals over a first area coverage and over a first transmission bandwidth, and a second transceiver station selectively activatable/de-activatable. The second transceiver station is operable to broadcast, when de-activated, a beacon signal identifying the second transceiver station, the beacon signal having a beacon frequency at edges of the first transmission bandwidth. The beacon signal is detectable by a user equipment for inferring presence of the second transceiver station. The first transceiver station is configured to receive a response signal from a user equipment based on the detected beacon signal, and to schedule activation of the second transceiver station based on the received response signal.

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Turin, Italy

Gian Michele Dell'Aera