Channel search method and system for vertical handoff in wireless network environment
First Claim
1. A channel search method for a vertical handoff in a wireless network environment, the channel search method comprising:
- collecting channel information from a first terminal which is provided with a wireless local area network (WLAN) service via a channel connection with a WLAN node; and
determining a channel search order for a channel connection between a second terminal and the WLAN node by using the collected channel information.
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Accused Products
Abstract
A channel search method for a vertical handoff in a wireless network environment is provided, the channel search method including: collecting channel information from a first terminal which is provided with a wireless local area network (WLAN) service via a channel connection with a WLAN node; and determining a channel search order for a channel connection between a second terminal and the WLAN node by using the collected channel information. A channel search system for a vertical handoff in a wireless network environment is also provided, the channel search system including: a channel information collection unit for collecting channel information from a first terminal which is provided with a WLAN service via a channel connection with a WLAN node and a search order determination unit for determining a channel search order for a channel connection between a second terminal and the WLAN node by using the collected channel information.
31 Citations
17 Claims
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1. A channel search method for a vertical handoff in a wireless network environment, the channel search method comprising:
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collecting channel information from a first terminal which is provided with a wireless local area network (WLAN) service via a channel connection with a WLAN node; and determining a channel search order for a channel connection between a second terminal and the WLAN node by using the collected channel information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A computer-readable recording medium storing a program for implementing a channel search method for a vertical handoff in a wireless network environment, the channel search method comprising:
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collecting channel information from a first terminal which is provided with a WLAN service via a channel connection with a WLAN node; and determining a channel search order for a channel connection between a second terminal and the WLAN node by using the collected channel information.
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10. A channel search system for a vertical handoff in a wireless network environment, the channel search system comprising:
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a channel information collection unit for collecting channel information from a first terminal which is provided with a WLAN service via a channel connection with a WLAN node; and a search order determination unit for determining a channel search order for a channel connection between a second terminal and the WLAN node by using the collected channel information. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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Specification