Wireless sensor base station with coexistence of multiple homogeneous radios

摘要

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.

主权项

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, wherein the coexistence controller is further configured to prioritize communication among one or more wireless sensors, to which the second network circuit is configured to couple, based on respective power supply status of the wireless sensors.