Link margin notification using return frame

In a wireless network comprising at least a first wireless device and a second wireless device, a method comprising the steps of:

• receiving, at the first wireless device, an indication of a link margin of the second wireless device;
• and
• adjusting a transmit power of the first wireless device based at least in part on the indication of the link margin of the second wireless device.

In a wireless network comprising at least a first wireless device and a second wireless device, a method comprising:

• receiving, at the second wireless device, information from the first wireless device;
• and
• transmitting link margin information of the second wireless device for reception by the first wireless device in response to the receipt of the information from the first wireless device.

In a wireless network comprising at least a first wireless device and a second wireless device, a method comprising the steps of:

• transmitting, from the first wireless device, information for reception by the second wireless device;
• receiving an acknowledgment of a receipt of the information from the second wireless device, the acknowledgement including link margin information of the second wireless device.

A wireless device comprising:

• a transceiver;
• a link margin measurement module for measuring a link margin of the wireless device based at least in part on signals received by the transceiver;
• means for transmitting, via the transceiver, link margin information for reception by a second wireless device in response to a receipt of information transmitted by the second wireless device.