Silex Unwired

Power Save Options for Wi-Fi Radios

Posted by Babar Hashim on 2016-12-20 03:49:36

Power Save has always been a part of the 802.11 standard since 1999. The devices it had targeted were a lot different from the wireless devices used today. Back then these devices were primarily laptops with big batteries moving between conference rooms. No thought was made that Wi-Fi could and would be added to small hand held devices being used in all aspects of our life. With the addition of Wi-Fi to mobile devices like cell phones, the power save requirements have changed.

               There is now a greater focus on power saving in Wi-Fi than any previous stage of its existence. The advancements in hardware and application have shaped the power save options available today in 802.11. Let’s look at the some of the techniques used to save power consumption.

               There are four basic operations that a radio can perform that leads to power consumption. Power consumed by each activity increases in the given order (1-4). By controlling how long the radio operates between the below states, a user has some control on how much power his radio consumes.

  • Asleep
  • Idle & awake
  • Receiving
  • Transmitting 
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Tags: Ultra Low Power Wi-FI, radio module, 802.11ac

Qualcomm Atheros FAE Training Update

Posted by Keith Sugawara on 2012-10-24 17:22:10

I just returned from the first day of the Qualcomm Atheros (QCA) FAE training on Monday in San Jose.  This is an annual event attended by approximately 200 Qualcomm Atheros FAE’s and select QCA Authorized Development Centers like Silex Technology America.  Silex Technology America is an extension of the Qualcomm Atheros FAE organization in providing support to QCA customers and we get access to the same training and resources as QCA FAE’s.

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Tags: Qualcomm Atheros, AR6003, Ultra Low Power Wi-FI, Wireless Module, Silex Technology America