| 摘要 |
Systems, methods, and devices related to estimating backhaul quality, detecting Internet connectivity, and managing server load are described herein. In some aspects, a wireless device is configured to estimate a quality of a communication link. The wireless device includes a processor configured to determine an availability for accessing a server pursuant to a first access restriction. The processor is further configured to estimate a quality of the communication link based on a communication from the server. The wireless device includes a transmitter configured to transmit a request for the communication from the server when access to the server is available. The wireless device includes a transmitter receiver is configured to receive the communication from the server, over the communication link, in response to the request. The communication comprises a second access restriction.
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