Wireless terminal apparatus for automatically changing WLAN standard and method thereof
First Claim
1. A wireless terminal apparatus comprising:
- a wireless communication module for establishing a communication link according to a first wireless local area network (WLAN) standard with respect to a correspondent node in an operation mode of at least one of an ad-hoc mode and an infrastructure mode, and for performing a communication with the correspondent node; and
a central processing unit for controlling the wireless communication module;
wherein the central processing unit searches a plurality of WLAN standards being different from the first WLAN standard, andwherein if the operation mode of the wireless communication module changes, the first WLAN standard is changed to a second WLAN standard selected from the plurality of WLAN standards being different than the first WLAN and the communication link is established according to the second WLAN standard,wherein the second WLAN standard uses a different frequency band from that of the first WLAN standard.
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Accused Products
Abstract
A wireless terminal apparatus having a Wireless Local Area Network (WLAN) standard automatic change function and method thereof are provided. The wireless terminal apparatus comprises a memory for storing information of a condition change, a wireless communication module for communicating with a predetermined correspondent node according to a first WLAN standard, a communication status detection unit for detecting a communication status of the wireless communication module and determining whether an event occurs satisfying the condition for change, and a central processing unit, changing the first WLAN standard to a second WLAN standard and establishing a communication link. An optimum WLAN standard can be established and a communication is performed according to the WLAN standard.
21 Citations
21 Claims
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1. A wireless terminal apparatus comprising:
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a wireless communication module for establishing a communication link according to a first wireless local area network (WLAN) standard with respect to a correspondent node in an operation mode of at least one of an ad-hoc mode and an infrastructure mode, and for performing a communication with the correspondent node; and a central processing unit for controlling the wireless communication module; wherein the central processing unit searches a plurality of WLAN standards being different from the first WLAN standard, and wherein if the operation mode of the wireless communication module changes, the first WLAN standard is changed to a second WLAN standard selected from the plurality of WLAN standards being different than the first WLAN and the communication link is established according to the second WLAN standard, wherein the second WLAN standard uses a different frequency band from that of the first WLAN standard. - View Dependent Claims (2, 3, 4)
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5. A method of communicating with a correspondent node in a predetermined operation mode in a wireless terminal apparatus, the method comprising:
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determining whether an operation mode is changed; if the operation mode is changed, determining a first Wireless Local Area Network (WLAN) standard which was used before the operation mode is changed; searching a plurality of WLAN standards applying a second WLAN standard from among the plurality of WLAN standards being different from the first WLAN standard; establishing a communication link according to the second WLAN standard different from the first WLAN standard; and performing a communication using the communication Link, wherein an operation mode is at least one of and ad-hoc mode and an infrastructure mode, wherein the second WLAN standard uses a different frequency band from that of the first WLAN standard. - View Dependent Claims (6, 7, 8)
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9. A wireless terminal apparatus comprising:
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a memory for storing information comprising communication profiles for a plurality of Wireless Local Area Network (WLAN) standards and information of a plurality of conditions for change; a wireless communication module for communicating with a correspondent node according to a first WLAN standard; and a communication status detection unit for detecting a communication status of the wireless communication module and determining whether an event occurs satisfying at least one condition selected by a user among the plurality of conditions for change, wherein, if the communication status detection unit determines that the event occurs satisfying the condition for change, the wireless communication module searches for a second WLAN standard among the plurality of WLAN standards, changes the first WLAN standard to a second WLAN standard among the plurality of WLAN standards being different than the first WLAN standard and communicates according to the second WLAN standard, wherein the second WLAN standard uses a different frequency band from that of the first WLAN standard. - View Dependent Claims (10, 11, 12, 15, 16)
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13. A wireless terminal apparatus comprising:
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a memory for storing information comprising communication profiles for a plurality of Wireless Local Area Network (WLAN) standards and information of a plurality of conditions for change; a wireless communication module for communicating with a correspondent node according to a first WLAN standard; a communication status detection unit for detecting a communication status of the wireless communication module and determining whether an event occurs satisfying at least one condition selected by a user among the plurality of conditions for change; an input unit for inputting the information of the communication profiles and the information of the condition for change; and a central processing unit for retrieving communication profiles for the second WLAN standard from the memory, and controlling the wireless communication module based on the retrieved communication profiles to communicate according to the second WLAN standard, wherein, if the communication status detection unit determines that the event occurs satisfying the condition for change, the wireless communication module searches for a second WLAN standard among the plurality of WLAN standards, changes the first WLAN standard to a second WLAN standard among the plurality of WLAN standards being different than the first WLAN standard and communicates according to the second WLAN standard, wherein, if a low transmission rate is selected as the condition for change and is less than a reference rate, the central processing unit searches for the second WLAN standard from the plurality of WLAN standards that support a transmission rate greater than the reference rate.
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14. A wireless terminal apparatus comprising:
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a memory for storing information comprising communication profiles for a plurality of Wireless Local Area Network (WLAN) standards and information of a plurality of conditions for change; a wireless communication module for communicating with a correspondent node according to a first WLAN standard; a communication status detection unit for detecting a communication status of the wireless communication module and determining whether an event occurs satisfying at least one condition selected by a user among the plurality of conditions for change; an input unit for inputting the information of the communication profiles and the information of the condition for change; and a central processing unit for retrieving communication profiles for the second WLAN standard from the memory, and controlling the wireless communication module based on the retrieved communication profiles to communicate according to the second WLAN standard, wherein, if the communication status detection unit determines that the event occurs satisfying the condition for change, the wireless communication module searches for a second WLAN standard among the plurality of WLAN standards, changes the first WLAN standard to a second WLAN standard among the plurality of WLAN standards being different than the first WLAN standard and communicates according to the second WLAN standard, wherein, if a time change condition is selected as the condition for change and a time is changed, the central processing unit changes the first WLAN standard into the second WLAN standard, wherein the second WLAN standard is designated to a current time according to information about WLAN standards respectively designated to different times.
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17. A wireless communication method comprising:
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performing a wireless communication with a correspondent node according to a first Wireless Local Area Network (WLAN) standard; detecting a wireless communication status and determining whether an event occurs satisfying at least one condition selected by a user among a plurality of conditions for change; if the event occurs, searching a plurality of WLAN standards changing the first WLAN standard into a second WLAN standard from the plurality of WLAN standards the second WLAN standard being different than the first WLAN standard; and performing a wireless communication according to the second WLAN standard, wherein the second WLAN standard uses a different frequency band from that of the first WLAN standard. - View Dependent Claims (18, 19, 20, 21)
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Specification