Combined Tuning of RF Power and Medium Access Control for WLANs
نویسندگان
چکیده
Abstra t | Mobile communication systems like handhelds and laptops still suffer from low operation time due to limited battery capacity. We exploit the relative new approach of protocol harmonization to extend the time between battery charges in mobile devices using an IEEE 802.11 network interface. Many known energy saving mechanisms only concentrate on a single protocol layer while others only optimize the receiving phase by on/off switching. We show, that energy saving is also possible while sending. This is achieved by a combined tuning of the data link control and physical layer. In particular harmonized operation of power control and medium access control will lead to reduction of energy consumption. In the course of the paper we show a power and medium access control trade-off. Further on we discuss applications of the results in IEEE 802.11 networks.
منابع مشابه
Design and Development of a Hybrid TDMA/CDMA MAC Protocol for Multimedia Wireless Networks
A wireless local area network (WLAN) provides high bandwidth to users in a limited geographical area. This network faces certain challenges and constraints that are not imposed on their wired counterparts. They are: frequency allocation, interference and reliability, security, power consumption, human safety, mobility, connection to wired LAN, service area, handoff and roaming, dynamic configur...
متن کاملطراحی و ساخت سیستم اندازه‌گیری و تنظیم بسامدی کاواک‌های شتاب‌دهنده خطی ا لکترون موج رونده
The main purpose for designing and constructing electroradio frequency linear accelerators is to reach better beam quality with higher power and energy by lower RF power consumption. The main step for this purpose is doing research and development in the area of designing, constructing, measuring and tuning of accelerator RF cavities. Institute for Research in Fundamental Sciences (IPM) linear ...
متن کاملPower Evaluation and Performance Enhancement of CSMA/CA based WLANs
Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) based Wireless Local Area Networks (WLANs) are becoming pervasive. As the most commonly employed standard in WLANs, IEEE 802.11 not only gives rise to health and safety concern from the general public, but also has the potential for enhanced performance. Our contributions in this thesis are twofold: (1) We extend a recently introd...
متن کاملEnergy-efficient enhancements for IEEE 802.11 WLANs: On the way to enable Cellular/Wi-Fi networks interworking
Globally, the number of mobile broadband subscriptions is growing and the amount of mobile data traffic is expected to continue to grow rapidly. In the next five years the number of smartphone subscriptions is expected to more than double, while the amount of mobile traffic per active subscription per month of these subscribers is expected to nearly quadruple. As a consequence, mobile network o...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- MONET
دوره 6 شماره
صفحات -
تاریخ انتشار 2001