Abstract: A system, apparatus, method and article for dynamic adjustment of video quality are described. The apparatus may include a power status module to receive power status information for a communication device, and a video quality adjustment module to adjust at least one aspect of video data captured by the device based on power status of the device. The power status can include information regarding the battery power level of the device. The adjusted aspect of video data can be an encoding aspect of the video data. The adjusted aspect of video data can be a quantization level and/or a motion estimation range of said video data. Other embodiments are described and claimed.

Abstract: Device, system, and method of adjusting a contention window for wireless transmission. In some embodiments, a wireless communication unit may control transmissions of a wireless communication device in a wireless area network during a contention period, wherein the wireless communication unit is to select a back-off period within a contention-window having a contention-window size, which is adjusted based on a number of stations included in the wireless area network, and wherein the wireless communication unit is to wait for the back-off period prior to beginning a wireless transmission during the contention period. Other embodiments are described and claimed.