Method for performing a cooperative operation between heterogeneous networks and device for same
First Claim
1. A method for offloading uplink data by a user equipment in a wireless communication system that performs cooperative operations between heterogeneous networks, the method comprising:
- receiving, from a base station, first information related to a set of candidate access points (APs) configured by the base station;
measuring the set of candidate APs;
transmitting a measurement report to the base station;
receiving, from the base station, a command, the command instructing the user equipment to offload uplink data to a wireless LAN (WLAN),wherein the command is transmitted from the base station when a signal strength of the WLAN is greater than a predefined threshold value;
receiving, from the base station, second information related to at least one access point (AP), the at least one AP is configured for offloading by the base station;
performing a connection procedure with an AP of the at least one AP based on the received second information;
determining traffic having a specific quality of service (QoS) which is offloadable to the WLAN; and
offloading the uplink data corresponding to the determined traffic to the AP according to the command while maintaining a connection state with the base station.
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Abstract
The present invention relates to a method for performing a cooperative operation between heterogeneous networks and a device for same. A method for a first type base station to perform a cooperative operation between heterogeneous networks in a wireless communication system includes receiving a downlink synchronization channel from at least one second type base station; obtaining an identifier (ID) of the second type base station by using the received downlink synchronization channel; and transmitting at least one of a channel number and a bandwidth of a center frequency of the first type base station and the cell ID of the second type base station to a server. The first type base station and the second type base station use different wireless communication methods or wireless access methods.
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Citations
6 Claims
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1. A method for offloading uplink data by a user equipment in a wireless communication system that performs cooperative operations between heterogeneous networks, the method comprising:
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receiving, from a base station, first information related to a set of candidate access points (APs) configured by the base station; measuring the set of candidate APs; transmitting a measurement report to the base station; receiving, from the base station, a command, the command instructing the user equipment to offload uplink data to a wireless LAN (WLAN), wherein the command is transmitted from the base station when a signal strength of the WLAN is greater than a predefined threshold value; receiving, from the base station, second information related to at least one access point (AP), the at least one AP is configured for offloading by the base station; performing a connection procedure with an AP of the at least one AP based on the received second information; determining traffic having a specific quality of service (QoS) which is offloadable to the WLAN; and offloading the uplink data corresponding to the determined traffic to the AP according to the command while maintaining a connection state with the base station. - View Dependent Claims (2, 3)
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4. A user equipment for offloading uplink data in a wireless communication system that performs cooperative operations between heterogeneous networks, the user equipment comprising:
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a receiver; a transmitter; and a processor operatively connected to the receiver and the transmitter, the processor configured to; receive, from a base station, first information related to a set of candidate access points (APs) configured by the base station; measure the set of candidate APs; transmit a measurement report to the base station; receive, from the base station, a command, the command instructing the user equipment to offload uplink data to a wireless LAN (WLAN), wherein the command is transmitted from the base station when a signal strength of the WLAN is greater than a predefined threshold value; receive, from the base station, second information related to at least one access point (AP), the at least one AP is configured for offloading by the base station; perform a connection procedure with an AP of the at least one AP based on the received second information; determine traffic having a specific quality of service (QoS) which is offloadable to the WLAN; and offload the uplink data corresponding to the determined traffic to the AP according to the command while maintaining a connection state with the base station. - View Dependent Claims (5, 6)
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Specification