| 摘要 |
A system and method are provided to trigger re-beamforming based on an algorithm that assesses various link characteristics. The algorithm is based on the ability of a 60 GHz receiving device to track and feedback a Received Signal Strength Indication (RSSI) to a 60 GHz data packet transmitter. By automatically analyzing RSSI values across a range of data packets, including consecutive data packets, a link degradation trend is predicted. When link degradation crosses, or is predicted to cross, a predetermined threshold, re-beamforming is triggered by the algorithm. Variables in the algorithm and the predetermined thresholds used by the algorithm can be automatically or manually modified to maintain a balance between appropriately triggering the re-beamforming when the conditions arise without unnecessarily triggering the re-beamforming thereby causing unneeded interruptions in regular data flow. |
| 主权项 |
1. A method for triggering re-beamforming, comprising:
storing in a data storage device a first signal strength threshold; monitoring a plurality of data packets transmitted across a communication link, wherein the communication link is a 60 GHz communication link; recording a signal strength value for each of the plurality of data packets; calculating, with a processor, a change in the recorded signal strength value between data packets, wherein the change in the recorded signal strength between data packets is based on calculating a difference in the recorded signal strength between consecutive data packets; comparing, with the processor, the calculated change in the recorded signal strength between data packets with the first signal strength threshold; and when the calculated change in the recorded signal strength is less than the first signal strength threshold then triggering re-beamforming to establish a stronger communication path; wherein the calculating of the change in the recorded signal strength between consecutive data packets is executed N times, where N is an integer greater than 1, and wherein the re-beamforming is triggered only after the comparing of the calculated change in the recorded signal strength between consecutive data packets falls below the first signal strength threshold for a pair of consecutive data packets; after triggering re-beamforming to establish a stronger communication path determining if the first signal strength threshold needs to be changed; wherein the first signal strength threshold is a first threshold that is based on an unacceptable change in signal strength between consecutive data packets; in response to the determining that the first signal strength threshold needs to be changed then storing a second signal strength threshold; continuing the steps of measuring, recording, calculating, comparing, and triggering re-beamforming until packet transmission is complete. |
