Abstract: The antenna system for a radiocommunication station has a plurality of antenna elements having different polarizations and arranged for coupling with RF electric field components oriented along three mutually perpendicular directions.

Abstract: A set of orthogonal codes with variable spreading factor (OVSF), allocatable within a cell served by a base station of the access network, is organized according to a code tree. Mutually orthogonal codes of this set are selected in a control equipment of the base station to be allocated to radio channels between the base station and terminals in the cell. Statistical data are determined on the usage of the resources of the radio access network in the cell, in particular a mean duration of a user data transfer session between the radio access network and a terminal by means of at least one radio channel allocated in the cell, and these statistical data are brought into the selection of the codes of the set.

Abstract: The mobile terminal according to the invention comprises: means for receiving synchronization signals from a base station of a radiocommunication system; means for sending towards the base station requests for access to communication resources, at respective instants clamped with respect to instants of reception of said synchronization signals; means for determining a level of remoteness with respect to the base station; and means for advancing the instants of sending of the requests for access to communication resources, as a function of the level of remoteness determined by the means for determining a level of remoteness with respect to the base station.

Abstract: The method measures the time of arrival at a radiocommunication receiver of a received radio signal originating from a transmitting station. A received signal component is stored in a memory of the receiver. An estimation of the information bits carried by the signal component is obtained through demodulation of the signal component by the receiver. The estimation of the time of arrival of the signal is carried out on the basis of the bits thus estimated and the received signal component.

Abstract: The invention aims to analyse the operation of an interface of a packet data transmission network comprising terminals capable of exchanging data in packets with at least one entity of the network via at least one base station over the said network interface. For a set of integers n, the probability S(n) that a number n of terminals exchange data with at least one base station during an elementary transmission time interval is estimated.