Apparatus and method for controlling data communication in wireless local area network
First Claim
1. A method for controlling data communications, comprising:
- providing access to information identifying N transmission parameters, each parameter corresponding to a respective one of a plurality of battery power ranges;
checking battery capacity of a first station;
determining one of the battery power ranges that relates to the checked battery capacity; and
controlling transmission of data between the first station and a second station or an access point, transmission of said data controlled based on the parameter that corresponds to said one of the battery power ranges that relates to the checked battery capacity, said method further comprising;
converting the parameter that corresponds to said one of the battery power ranges into a code value; and
transmitting the code value to inform the second station or access point that subsequent communications between the first station and second station or access point is to take place based on the converted parameter.
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Abstract
An apparatus and method for controlling data communication in a wireless local area network (LAN) can check a remaining power level of a host computer battery and determine a data transmission characteristic such as a data transfer speed and/or power save mode period based on the checked battery power, and then adjust the current data transfer speed or power save mode period according to the determined value. For example, a controller of a wireless LAN can transmit information corresponding to the determined transmission characteristic to an access point or another station. Therefore, a station of the wireless LAN card can reduce or prevent power of the battery from being abruptly diminished because of use of the wireless LAN.
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Citations
15 Claims
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1. A method for controlling data communications, comprising:
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providing access to information identifying N transmission parameters, each parameter corresponding to a respective one of a plurality of battery power ranges; checking battery capacity of a first station; determining one of the battery power ranges that relates to the checked battery capacity; and controlling transmission of data between the first station and a second station or an access point, transmission of said data controlled based on the parameter that corresponds to said one of the battery power ranges that relates to the checked battery capacity, said method further comprising; converting the parameter that corresponds to said one of the battery power ranges into a code value; and transmitting the code value to inform the second station or access point that subsequent communications between the first station and second station or access point is to take place based on the converted parameter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 15)
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11. A method, comprising:
- receiving data signals at an access point, each data signal including a code value that provides an indication of power save period information for a respective one of a plurality of stations;
comparing the code values in the data signals;
assigning a priority to at least one of the stations based on the comparison;
recognizing remaining battery powers of said stations from said power save period information received from said stations; and
assigning a highest priority for data transmission/reception to one of said stations having a lowest remaining battery power. - View Dependent Claims (12)
- receiving data signals at an access point, each data signal including a code value that provides an indication of power save period information for a respective one of a plurality of stations;
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13. An apparatus, comprising:
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a first terminal; and a controller within or coupled to the first terminal, the controller to; obtain access to information identifying N transmission parameters, each parameter corresponding to a respective one of a plurality of battery power ranges; check battery capacity of the first terminal; determine one of the battery power ranges that relates to the checked battery capacity; and control transmission of data from the first station, a second station, or an access point, the controller controlling transmission of said data based on the parameter that corresponds to said one of the battery power ranges that relates to the checked battery capacity, the controller further to; convert the parameter that corresponds to said one of the battery power ranges into a code value; and control transmission of the code value to inform the second station or access point that subsequent communications between the first station and second station or access point is to take place based on the converted parameter. - View Dependent Claims (14)
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Specification