Power-aware coexistence
First Claim
1. A communication device having collocated transceivers and operable to communicate with a remote device having a link margin, the communication device comprising:
- a receiver of a first transceiver of the collocated transceivers operable to receive radio transmissions over one or more channels according to a first communication protocol;
a transmitter of a second transceiver of the collocated transceivers operable to transmit radio transmissions over the one or more channels according to a second communication protocol; and
an arbiter operably coupled to the receiver and the transmitter;
wherein radio transmissions from the transmitter are capable of interfering with the reception of radio transmissions by the receiver, and the arbiter is configured to;
receive from the transmitter an indication of a first transmit operation intended for performance during a first time period, including a representation of the intended transmit power and an indication of the link margin of the remote device;
determine whether the receiver intends to perform a communication operation during the first time period;
if the receiver intends to perform a first receive operation during the first time period, access an indication of receive quality determined by the receiver;
determine threshold transmit characteristics, in dependence on the representation of the intended transmit power, the indication of the link margin of the remote device, and the receive quality, the threshold transmit characteristics includinga representation of a maximum transmit power at which the transmitter is permitted to perform the first transmit operation, anda representation of a minimum transmit power at which the transmitter is permitted to perform the first transmit operation to ensure reception at the remote device; and
cause the transmitter to proceed with the first transmit operation according to the threshold transmit characteristics.
2 Assignments
0 Petitions
Accused Products
Abstract
A communication device comprising: a receiver operable to receive radio transmissions according to a first communication protocol; a transmitter operable to transmit radio transmissions according to a second communication protocol; and an arbiter connected to the receiver and transmitter; wherein the arbiter is configured to: receive from the transmitter an indication of a first transmit operation intended for performance during a first time period and one or more intended transmit characteristics of the first transmit operation, including a representation of the intended transmit power; determine whether the receiver intends to perform a communication operation during the first time period; determine in dependence on the transmit characteristics and the receive quality, a set of one or more threshold transmit characteristics for the first transmit operation; and cause the transmitter to proceed with the first transmit operation only if its transmit characteristics are constrained in accordance with the threshold transmit characteristics.
29 Citations
34 Claims
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1. A communication device having collocated transceivers and operable to communicate with a remote device having a link margin, the communication device comprising:
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a receiver of a first transceiver of the collocated transceivers operable to receive radio transmissions over one or more channels according to a first communication protocol; a transmitter of a second transceiver of the collocated transceivers operable to transmit radio transmissions over the one or more channels according to a second communication protocol; and an arbiter operably coupled to the receiver and the transmitter; wherein radio transmissions from the transmitter are capable of interfering with the reception of radio transmissions by the receiver, and the arbiter is configured to; receive from the transmitter an indication of a first transmit operation intended for performance during a first time period, including a representation of the intended transmit power and an indication of the link margin of the remote device; determine whether the receiver intends to perform a communication operation during the first time period; if the receiver intends to perform a first receive operation during the first time period, access an indication of receive quality determined by the receiver; determine threshold transmit characteristics, in dependence on the representation of the intended transmit power, the indication of the link margin of the remote device, and the receive quality, the threshold transmit characteristics including a representation of a maximum transmit power at which the transmitter is permitted to perform the first transmit operation, and a representation of a minimum transmit power at which the transmitter is permitted to perform the first transmit operation to ensure reception at the remote device; and cause the transmitter to proceed with the first transmit operation according to the threshold transmit characteristics. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 34)
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32. A method for managing radio transmissions from a transmitter in a first transceiver, to a remote device having a link margin, the radio transmissions being capable of causing interference at a receiver of a second transceiver collocated with the first transceiver, the method comprising:
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receiving, from the transmitter, an indication of a first transmit operation intended for performance during a first time period, including a representation of the intended transmit power and an indication of the link margin of the remote device; determining, at an arbiter, whether the receiver intends to perform a communication operation during the first time period; if the receiver intends to perform a first receive operation during the first time period, accessing an indication of receive quality determined by the receiver; determining, at the arbiter, threshold transmit characteristics, in dependence on the representation of the intended transmit power, the indication of the link margin of the remote device, and the receive quality, the threshold transmit characteristics including a representation of a maximum transmit power at which the transmitter is permitted to perform the first transmit operation, and a representation of a minimum transmit power at which the transmitter is permitted to perform the first transmit operation to ensure reception at the remote device; and causing the transmitter to proceed with the first transmit operation according to the threshold transmit characteristics.
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33. An integrated circuit comprising:
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a receiver in a first transceiver for receiving according to a first radio communication protocol; a transmitter in a second transceiver for transmitting according to a second radio communication protocol to a remote device, the second transceiver being collocated with the first transceiver; and an arbiter operably coupled to the receiver and transmitter; wherein radio communications according to the first radio communication protocol are capable of interfering with communications according to the second radio communication protocol, and the arbiter is configured to; receive from the transmitter an indication of a first transmit operation intended for performance during a first time period, including a representation of the intended transmit power and an indication of a link margin of the remote device; determine whether the receiver intends to perform a communication operation during the first time period; if the receiver intends to perform a first receive operation during the first time period, accessing an indication of receive quality determined by the receiver; determine threshold transmit characteristics, in dependence on the representation of the intended transmit power, the indication of the link margin of the remote device, and the receive quality, the threshold transmit characteristics including a representation of a maximum transmit power at which the transmitter is permitted to perform the first transmit operation and a representation of a minimum transmit power at which the transmitter is permitted to perform the first transmit operation to ensure reception at the remote device; and cause the transmitter to proceed with the first transmit operation according to the threshold transmit characteristics.
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Specification