摘要:
A method of initial access in a wireless communication system is disclosed. A method of initial access of a mobile station in a wireless communication system with femtocells comprises selecting a base station to which the mobile station requests information of femto cell base stations which can serve the mobile station and exist around the mobile station through scanning downlink channel; and requesting the selected base station the information of the femto cell base stations.
摘要:
The present invention relates to a broadband wireless access system, and more particularly, to a method for efficiently operating a service unavailable mode of Femto base station. The method for operating a service unavailable mode of Femto base station in the broadband wireless access system according to one embodiment of the present invention, comprises the steps of: determining whether the preset condition for the operation of a service unavailable mode is satisfied; and broadcasting service unavailable mode information for indicating the state of service unavailable mode of the Femto base station in accordance with the result of determination on the preset condition.
摘要:
A method for supporting a handover on the basis of the distance from an intermediate access point to a user equipment includes receiving uplink message set information of the user equipment from a serving base station of the user equipment; receiving the uplink message transmitted by predetermined transmitting power from the user equipment, and detecting the user equipment which has sent the uplink message on the basis of the uplink message set information; determining the receiving power by which said uplink message is received; calculating the distance between the intermediate access point and the detected user equipment by using said predetermined transmitting power and said receiving power; and performing a subsequent handover based on the distance calculated in the previous step.
摘要:
The present invention relates to methods for performing fast handover by a terminal in an environment in which multiple femto base stations exist. A method for performing handover by a terminal includes transmitting, to a serving femto base station, a message for requesting seamless handover within a group including multiple femto base stations, the serving femto base station belonging to the group; receiving, from the serving femto base station, first command message including power information and allocation information; broadcasting an uplink signal that is applied with transmission power indicated by the power information, through an uplink resource indicated by the allocation information; receiving second command messages including measurements of the uplink signal measured by the multiple femto base stations from the serving femto base stations; and performing network re-entry to a target base station among the femto base stations.
摘要:
A method of handover in a wireless communication system is disclosed. A method of handover of a mobile station in a wireless communication system with femtocells comprises transmitting a control message including at least one among information of first femtocell base station detected through initial scanning and location information of the mobile station to a base station; receiving information of one or more second femtocell base stations to which the mobile station is accessible, wherein the second femtocell base stations are searched based on the control message from the base station; and performing a handover to one of the second femtocell base stations.
摘要:
A method for updating a neighbor list at a femto Base Station (BS) is disclosed. The method includes broadcasting a first broadcast message including information about an unavailable time interval during which scheduling is not performed for Mobile Stations (MSs), scanning at least one neighbor BS during the unavailable time interval, and updating the neighbor list according to a result of the scanning.
摘要:
The present invention relates to methods for performing fast handover by a terminal in an environment in which multiple femto base stations exist. A method for performing handover by a terminal includes transmitting, to a serving femto base station, a message for requesting seamless handover within a group including multiple femto base stations, the serving femto base station belonging to the group; receiving, from the serving femto base station, first command message including power information and allocation information; broadcasting an uplink signal that is applied with transmission power indicated by the power information, through an uplink resource indicated by the allocation information; receiving second command messages including measurements of the uplink signal measured by the multiple femto base stations from the serving femto base stations; and performing network re-entry to a target base station among the femto base stations.
摘要:
The present invention relates to a wireless access system which supports multiple carriers, and disclosed is a method for coordinating the performance of the multiple carriers and an apparatus for supporting same. The method for coordinating the performance of the multiple carriers according to the present invention broadly consists of two steps. For example, the method comprises the steps of coordinating the basic performance of the multiple carriers in mobile user equipment and coordinating the extended performance of the multiple carriers in the mobile user equipment.
摘要:
The present invention relates to a broadband wireless access system, and more particularly, to a handover method that can reduce a stop time in an entry before a break-type handover for performing more efficient handover, and to apparatus for performing same. A handover method for a terminal in a broadband wireless access system according to one embodiment of the present invention may include: receiving, from a serving base station, a handover command message including the information of a section in which scheduling for the terminal is not performed; transmitting a ranging code to a target base station during the section; and receiving information indicating the transmitted result of the ranging code from the serving base station.
摘要:
The present invention relates to a broadband wireless access system, and more particularly, to a method for an advanced mobile station to efficiently obtain information on a peripheral legacy base station in a mobile communication system in which a legacy system and an advanced system coexist. According to one embodiment of the present invention, the present invention provides a method for a mobile station to receive information on a peripheral base station from a serving base station that operates in a mixed mode in the mobile communication system in which the legacy system and the advanced system coexist, and the method comprises the steps of: receiving a second message that includes first time information for indicating a time when a first message is broadcasted, in a first region for the legacy system of the serving base station through a second region for the advanced system of the serving base station, and receiving the first message from the first region by using the first time information.