Wireless sensor base station with coexistence of multiple homogeneous radios
First Claim
1. A network device, comprising:
- a first and a second wireless network circuits, each of the network circuits operating in a same radio frequency band, wherein the second network circuit is assigned a higher priority than the first network circuit;
a coexistence controller coupled to the network circuits via a communication bus and configured to selectively suppress transmitting operations of the first network circuit during receiving operations of the second network circuit; and
one or more buffers coupled to the first and second network circuits for storing data,wherein the coexistence controller is further configured to adjust a buffer rate of the buffers based on workload of the network circuits, andwherein the coexistence controller is further configured to adjust resource allocation of the buffers between the first and the second network circuits during the suppression.
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Abstract
Techniques are disclosed for reducing interference, in a network device, among multiple radio circuits operating in a same or similar frequency band and in close physical proximity. In some embodiments, a network device includes a first and a second wireless network circuit. The network circuits operate in a same radio frequency band and are collocated. The second network circuit is assigned a higher priority than the first network circuit. The device further includes a coexistence controller coupled to the network circuits via a communication bus and configured to selectively suppress transmitting operations of the first network circuit during receiving operations of the second network circuit. Among other benefits, the embodiments can increase wireless network bandwidth and reduce mobile device power consumption by providing coordination among the radio circuits so that the transmitting and receiving operations are performed in a way that they do not interfere with their respective antennas.
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Citations
21 Claims
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1. A network device, comprising:
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a first and a second wireless network circuits, each of the network circuits operating in a same radio frequency band, wherein the second network circuit is assigned a higher priority than the first network circuit; a coexistence controller coupled to the network circuits via a communication bus and configured to selectively suppress transmitting operations of the first network circuit during receiving operations of the second network circuit; and one or more buffers coupled to the first and second network circuits for storing data, wherein the coexistence controller is further configured to adjust a buffer rate of the buffers based on workload of the network circuits, and wherein the coexistence controller is further configured to adjust resource allocation of the buffers between the first and the second network circuits during the suppression. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for reducing interference for a plurality of wireless network circuits, the method comprising:
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using a coexistence controller, coupled to the plurality of network circuits, to selectively suppress transmitting operations of a first network circuit during receiving operations of a second network circuit, wherein the plurality of network circuits operate in a same radio frequency band and are collocated, wherein the second network circuit is assigned a higher priority than the first network circuit, and wherein one or more buffers are coupled to the first and second network circuits for storing data; adjusting a buffer rate of the buffers based on workload of the network circuits; and adjusting resource allocation of the buffers between the first and the second network circuits during the suppression. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21)
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Specification