WCNC
2008
IEEE
14 years 4 months ago
2008
IEEE
— In this paper, we investigate two selective relaying schemes in cooperative OFDM systems. Selective OFDMA relaying, where the relay selection is performed in a per-subcarrier m...
WCNC
2008
IEEE
14 years 4 months ago
2008
IEEE
—We present a system-level approach to localizing and tracking users on a basis of different sources of location information. We have applied a combination of the Cricket system ...
WCNC
2008
IEEE
14 years 4 months ago
2008
IEEE
Abstract— We consider a scenario in which frequency agile radios opportunistically share a fixed spectrum resource with a set of primary nodes. We develop a collaborative scheme...
WCNC
2008
IEEE
14 years 4 months ago
2008
IEEE
—Temporal-Angular channel sounding measurements of an indoor millimeter wave channel (60 GHz) is analyzed to determine whether ray arrivals at the receiver form clusters in the t...
WCNC
2008
IEEE
14 years 4 months ago
2008
IEEE
—Physical Carrier Sensing plays a crucial role in the effectiveness of CSMA-based MAC protocols, yet its properties and impact on the system performance under slow fading channel...
WCNC
2008
IEEE
14 years 4 months ago
2008
IEEE
Abstract— In this paper, the design of distributed spacefrequency codes (DSFCs) for wireless relay networks employing the amplify-and-forward (AAF) protocol is considered. The te...
WCNC
2008
IEEE
14 years 4 months ago
2008
IEEE
— In this paper, we present a novel algorithm for reducing sidelobe interference power levels in OFDM-based cognitive radios. Existing techniques for sidelobe suppression can be ...
WCNC
2008
IEEE
14 years 4 months ago
2008
IEEE
—Our study on the deployment topology and communication characteristics of wireless mesh enterprise networks (WMENs) leads to three critical security challenges: (a) deployment o...
WCNC
2008
IEEE
14 years 4 months ago
2008
IEEE
— Besides delivering high data rates in a point-to-point scenario, multi-input multi-output (MIMO) antenna techniques can broadcast personalized data to multiple users in the poi...
WCNC
2008
IEEE
14 years 4 months ago
2008
IEEE
—This paper presents a novel ring-based approach to analyze the inter-flow capacity of a backhaul wireless mesh networks (WMNs) with centralized scheduling. Based on the property...