Patent ID: 6373833
Filing Date: 2002-04-16
Classification: H04B,H04W

Abstract:
A time division multiple access mobile communications system with repeaters connected to at least one base station controller through at least one base station, the system comprising:a radio interface between a mobile station and a base station consists of traffic frames which include several time slots, wherein mobile stations can transmit, in an access burst in one time slot of an uplink direction frame to a network, a request to be assigned a radio connection for traffic, a repeater, for transmitting at least one frequency in a downlink direction, through which the radio connection between the base station and the mobile station can pass, wherein the repeater includes equipment for converting a carrier wave frequency used by the base station to a carrier wave frequency used by the mobile station, and equipment for converting the carrier wave frequency used by the mobile station to the carrier wave frequency used by the base station, and wherein the repeater further includes equipment for locating an uplink direction time slot during which the mobile stations can transmit the access burst, and wherein the repeater adds an extra burst to the uplink direction time slot in which the mobile station sends the access burst, the extra burst includes an identifier which specifies the repeater, and a handover allowing the communication between the base station and the mobile station to be switched between a direct connection and a connection through the repeater.