Researchers in both academia and industry have accepted OFDMA as the most appropriate
air-interface for the emerging broadband wireless access networks and standards. A …

Recently, a lot of research effort has been spent on cross-layer system design. It has been
shown that cross-layer mechanisms (ie, policies) potentially provide significant performance …

With the advent of next generation (4G) broadband wireless communications, the
combination of multiple-input multiple-output (MIMO) wireless technology with orthogonal …

This work presents 2 novel approaches for the self-organization of Orthogonal Frequency
Division Multiple Access (OFDMA) femtocells, in which the femtocell is able to dynamically …

Abstract Radio-over-free-space-optics (Ro-FSO) technology may pave the way towards a
ubiquitous platform for seamless integration of radio and optical networks without expensive …

Orthogonal frequency division multiplexing (OFDM) is a multicarrier modulation technique
that has been adopted in a variety of modern communication systems such as the digital …

Over the last two years, GSM and UMTS femtocell access points have been proposed as a
solution to the poor indoor coverage problem experienced in certain areas. Research on …

Coherent OFDM detection requires accurate channel state information (CSI). Mobile radio
channels are both time and frequency dispersive, especially at high vehicular speeds, which …

The combination of multiple-input-multiple-output (MIMO) and orthogonal frequency-division
multiple access (OFDMA) is a promising solution to the flexible and spectrally efficient …

Cooperative wireless networking, which is promising in improving the system operation
efficiency and reliability by acquiring more accurate and timely information, has attracted …