Hopping master in wireless conference
First Claim
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1. A radio configured to switch from being a first master radio to becoming a slave radio to a second master radio, the radio comprising:
- a receiver configured to;
receive a first wireless communication, wherein;
the radio is a first radio;
the first radio is a mobile, handheld radio;
the first radio receives the first wireless communication from a second radio; and
the second radio is a mobile, handheld radio; and
the first radio receives the first wireless communication using a multiple access protocol;
receive a second wireless communication, wherein;
the first radio receives the second wireless communication from a third radio;
the third radio is a mobile, handheld radio; and
the first radio receives the second wireless communication using the multiple access protocol;
a transmitter configured to;
transmit wireless communication to the second radio using the multiple access protocol; and
transmit wireless communication to the third radio using the multiple access protocol, wherein the first radio is configured to;
function as a first master radio for receiving the first wireless communication and transmitting wireless communication to the second radio;
function as a slave radio, before powering off and after receiving the first wireless communication, to the third radio for receiving the second wireless communication and transmitting to the third radio, such that the third radio is a second master radio;
determine a strength of a signal received from the second master radio while the first radio functions as the first master radio;
determine that the strength of the signal received from the second master radio is greater than a predetermined threshold; and
switch from functioning as the first master radio to functioning as the slave radio to the second master radio based on determining that the strength of the signal received from the second master radio is greater than the predetermined threshold.
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Abstract
A first radio has duplex communication with a second radio and a third radio, without using a base station by using a multiple-access protocol system. The first radio is configured to perform as a master radio and then switch to be a slave radio. A master radio provides timing synchronization and/or assigns transmission slots for radios in the multiple-access protocol system.
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Citations
19 Claims
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1. A radio configured to switch from being a first master radio to becoming a slave radio to a second master radio, the radio comprising:
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a receiver configured to; receive a first wireless communication, wherein; the radio is a first radio; the first radio is a mobile, handheld radio; the first radio receives the first wireless communication from a second radio; and the second radio is a mobile, handheld radio; and the first radio receives the first wireless communication using a multiple access protocol; receive a second wireless communication, wherein; the first radio receives the second wireless communication from a third radio; the third radio is a mobile, handheld radio; and the first radio receives the second wireless communication using the multiple access protocol; a transmitter configured to; transmit wireless communication to the second radio using the multiple access protocol; and transmit wireless communication to the third radio using the multiple access protocol, wherein the first radio is configured to; function as a first master radio for receiving the first wireless communication and transmitting wireless communication to the second radio; function as a slave radio, before powering off and after receiving the first wireless communication, to the third radio for receiving the second wireless communication and transmitting to the third radio, such that the third radio is a second master radio; determine a strength of a signal received from the second master radio while the first radio functions as the first master radio; determine that the strength of the signal received from the second master radio is greater than a predetermined threshold; and switch from functioning as the first master radio to functioning as the slave radio to the second master radio based on determining that the strength of the signal received from the second master radio is greater than the predetermined threshold. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for a first master radio to become a slave radio to a second master radio, the method comprising:
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transmitting, using a first radio, a first wireless communication, wherein; the first wireless communication is transmitted from the first radio to a second radio; the first wireless communication uses a multiple access protocol; the first radio is a mobile, handheld radio; the first radio is a first master radio; the second radio is a mobile, handheld radio; and the second radio is a slave to the first radio; receiving, using the first radio, a second wireless communication, wherein; the second wireless communication uses the multiple access protocol; the second wireless communication is transmitted from a third radio; the third radio is a mobile, handheld radio; and the third radio is a second master radio; and switching from transmitting as the first master radio to receiving as a slave radio to the second master radio, wherein; the first radio is configured to; determine a strength of a signal received from the second master radio while the first radio is the first master radio; and determine that the strength of the signal received from the second master radio is greater than a predetermined threshold; switching from transmitting as the first master radio to receiving as the slave radio to the second master radio is based on determining that the strength of the signal received from the second master radio is greater than the predetermined threshold; and switching occurs between the first wireless communication and the second wireless communication without powering off. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A radio system for a first master radio to become a slave to a second master radio, the radio system comprising:
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a first radio, wherein; the first radio is a mobile, handheld radio; the first radio is configured to transmit a first wireless communication, as a first master radio, to a second radio using a multiple access protocol; the first radio is configured to receive a second wireless communication from a third radio using the multiple access protocol; and the first radio is configured to; switch from transmitting as the first master radio to receiving as a slave radio to a second master radio; determine a strength of a signal received from the second master radio while the first radio functions as the first master radio; and determine that the strength of the signal received from the second master radio is greater than a predetermined threshold, wherein; switching occurs between the first wireless communication and the second wireless communication, without the first radio powering off; and switching is based on determining that the strength of the signal received from the second master radio is greater than the predetermined threshold; the second radio, wherein; the second radio is a mobile, handheld radio; and the second radio is a slave to the first master radio during the first wireless communication; the second radio is configured to receive the first wireless communication using the multiple access protocol; and a third radio, wherein; the third radio is a mobile, handheld radio; the third radio is configured to transmit, as the second master radio, the second wireless communication using the multiple access protocol. - View Dependent Claims (16, 17, 18, 19)
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Specification