Adaptive frame durations for time-hopped impulse radio systems
First Claim
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1. A method for determining a duration of a frame in an ultra-wide bandwidth impulse radio system, comprising:
- determining a frame duration of a radio signal as transmitted by a transmitter according to channel state information, in which the radio signal uses a sequence of ultra-wideband pulses;
transmitting frames according to the frame duration from the transmitter to a receiver as the ultra-wide bandwidth pulses; and
estimating a time of arrival of the ultra-wide bandwidth pulses in the receiver to determine a distance between the transmitter and the receiver.
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Abstract
A method determines a duration of a frame in an impulse radio system for radio ranging. Channel state information of a channel between two transceivers is estimated periodically. A signal to noise and interference ratio is also estimated periodically. The frame duration of the frame is then determined according to the channel state information and the signal to noise and interference ratio.
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Citations
14 Claims
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1. A method for determining a duration of a frame in an ultra-wide bandwidth impulse radio system, comprising:
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determining a frame duration of a radio signal as transmitted by a transmitter according to channel state information, in which the radio signal uses a sequence of ultra-wideband pulses; transmitting frames according to the frame duration from the transmitter to a receiver as the ultra-wide bandwidth pulses; and estimating a time of arrival of the ultra-wide bandwidth pulses in the receiver to determine a distance between the transmitter and the receiver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for determining a duration of a frame in an ultra-wide bandwith impulse radio system, comprising:
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determining a frame duration of a radio signal as transmitted by a transmitter according to a structure of a receiver; transmitting frames according to the frame duration from the transmitter to the receiver as pulses; and estimating a time of arrival of the pulses in the receiver to determine a distance between the transmitter and the receiver.
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14. A method for determining a duration of a frame in an impulse radio system, comprising:
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determining a frame duration of a radio signal as transmitted by a transmitter according to channel state information and a structure of a receiver, in which the radio signal uses a sequence of ultra-wideband pulses; transmitting frames according to the frame duration from the transmitter to the receiver as the ultra-wide bandwidth pulses and estimating a time of arrival of the ultra-wide bandwidth pulses in the receiver to determine a distance between the transmitter and the receiver.
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Specification