Method and apparatus for generating control information for packet data
First Claim
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1. A method, comprising:
- obtaining information for transmission of a data packet;
transmitting the data packet over at least one time slot from a transmission site;
calculating an error checking value of a variable from an initial value of the variable and the information, the initial value being an indirect function of a number of time slots of the data packet transmission with the initial value corresponding to the number of time slots without being the number of time slots;
transmitting the calculated error checking value and the information from the transmission site;
receiving the calculated error checking value and the information at a receiving site;
recalculating the calculated error checking value from the received information;
determining whether the recalculated error checking value matches the calculated error checking value; and
determining the number of time slots of the data packet transmission based on a match between the calculated and recalculated error checking values.
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Abstract
Systems and techniques for communications wherein a data packet is transmitted over at least one time slot from a transmission site, a value is computed from an initial value and information, the initial value being a function of the number of time slots of the data packet transmission, the value and the information is transmitted from the transmission site, the transmitted value and the information is received at a receiving site, the value from the received information is recalculated, and the number of time slots of the data packet transmission is determined from the calculated and recalculated values.
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Citations
29 Claims
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1. A method, comprising:
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obtaining information for transmission of a data packet; transmitting the data packet over at least one time slot from a transmission site; calculating an error checking value of a variable from an initial value of the variable and the information, the initial value being an indirect function of a number of time slots of the data packet transmission with the initial value corresponding to the number of time slots without being the number of time slots; transmitting the calculated error checking value and the information from the transmission site; receiving the calculated error checking value and the information at a receiving site; recalculating the calculated error checking value from the received information; determining whether the recalculated error checking value matches the calculated error checking value; and determining the number of time slots of the data packet transmission based on a match between the calculated and recalculated error checking values. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An apparatus, comprising:
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means for obtaining information for transmission of a data packet; means for transmitting the data packet over at least one time slot from a transmission site; means for calculating an error checking value of a variable from an initial value of the variable and the information, the initial value being an indirect function of a number of time slots of the data packet transmission with the initial value corresponding to the number of time slots without being the number of time slots; means for transmitting the calculated error checking value and the information from the transmission site; means for receiving the calculated error checking value and the information at a receiving site; means for recalculating the calculated error checking value from the received information; means for determining whether the recalculated error checking value matches the calculated error checking value; and means for determining the number of time slots of the data packet transmission based on a match between the calculated and recalculated error checking values. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. Non-transitory computer-readable media embodying a program of instructions executable by a computer program to perform a method, comprising:
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obtaining information for transmission of a data packet; transmitting the data packet over at least one time slot from a transmission site; calculating an error checking value of a variable from an initial value of the variable and the information, the initial value being an indirect function of a number of time slots of the data packet transmission with the initial value corresponding to the number of time slots without being the number of time slots; transmitting the calculated error checking value and the information from the transmission site; receiving the calculated error checking value and the information at a receiving site; recalculating the calculated error checking value from the received information; determining whether the recalculated error checking value matches the calculated error checking value; and determining the number of time slots of the data packet transmission based on a match between the calculated and recalculated error checking values. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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22. A processor configured to:
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obtain information for transmission of a data packet; transmit the data packet over at least one time slot from a transmission site; calculate an error checking value of a variable from an initial value of the variable and the information, the initial value being an indirect function of a number of time slots of the data packet transmission with the initial value corresponding to the number of time slots without being the number of time slots; transmit the calculated error checking value and the information from the transmission site; receive the calculated error checking value and the information at a receiving site; recalculate the calculated error checking value from the received information; determine whether the recalculated error checking value matches the calculated error checking value; and determine the number of time slots of the data packet transmission based on a match between the calculated and recalculated error checking values. - View Dependent Claims (23, 24, 25, 26, 27, 28)
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29. A wireless communication apparatus comprising:
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means for receiving a data packet, a calculated error checking value of a variable, and information for transmission of the data packet; means for recalculating the calculated error checking value from the received information and an initial value of the variable that is an indirect function of a number of time slots of the data packet with the initial value corresponding to the number of time slots without being the number of time slots; and means for determining the number of time slots of the data packet based on a match between the calculated and recalculated error checking values.
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Specification