Advanced wireless networks: 4G technologies

S Glisic, JP Makela - 2006 IEEE Ninth International Symposium …, 2006 - ieeexplore.ieee.org
Within the wide range of issues related to 4G wireless networks, due to the scope of the
ISSTA conference, in this presentation we highlight some segments of wireless networks …

Multipath effects in ultrawideband rake reception

WQ Malik, CJ Stevens… - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
Rake reception can improve system performance significantly in wideband multipath
channels. Its practical implementation, however, becomes prohibitively expensive in …

Pre-Rake performance for pulse based UWB system in a standardized UWB short-range channel

K Usuda, H Zhang, M Nakagawa - 2004 IEEE Wireless …, 2004 - ieeexplore.ieee.org
The pre-Rake scheme for pulse based ultrawideband (UWB) communications system is
proposed in a standardized UWB channel model from IEEE 802.15 SG3a, which is based on …

Role of pulses in ultra wideband systems

J Zhang, TD Abhayapala… - 2005 IEEE International …, 2005 - ieeexplore.ieee.org
UWB pulses are the unique labels of UWB systems. This paper investigates the role of pulse
systematically and highlights the central position of the pulse in UWB systems. Four system …

Canonical time-frequency, time-scale, and frequency-scale representations of time-varying channels

ST Rickard, RV Balan, HV Poor, S Verdú - 2005 - projecteuclid.org
Mobile communication channels are often modeled as linear time-varying filters or,
equivalently, as time-frequency integral operators with finite support in time and frequency …

A low-cost time-hopping impulse radio system for high data rate transmission

AF Molisch, YG Li, YP Nakache, P Orlik… - EURASIP Journal on …, 2005 - Springer
We present an efficient, low-cost implementation of time-hopping impulse radio that fulfills
the spectral mask mandated by the FCC and is suitable for high-data-rate, short-range …

[图书][B] Time-frequency and time-scale representations of doubly spread channels

ST Rickard - 2003 - search.proquest.com
We study the correspondence between time-frequency and time-scale integral operators
and determine the mapping between time-scale kernels and time-frequency kernels, which …

Impact of channel estimation on ultra-wideband system design

H Sheng, AM Haimovich - IEEE journal of selected topics in …, 2007 - ieeexplore.ieee.org
The impact of imperfect estimates on ultra-wideband (UWB) system performance is
investigated when path delays and path amplitudes are jointly estimated. The Cramer-Rao …

On Rake reception of ultra wideband signals over multipath channels from energy capture perspective

MA Rahman, S Sasaki, J Zhou… - IEICE transactions on …, 2005 - search.ieice.org
Performance of Rake reception of Ultra Wideband (UWB) signals is evaluated from energy
capture perspective. In addition to ordinary all Rake (ARake) and selective Rake (SRake) …

宽带系统中低复杂度RAKE 接收机的性能研究

李向阳, 袁东风 - 山东大学学报(工学版), 2006 - gxbwk.njournal.sdu.edu.cn
基于IEEE 802.15. 3a 建议的超宽带密集多径信道模型, 对采用最大比和等增益两种合并方式的
RAKE 接收机的高速超宽带通信系统的性能进行了研究. 理论分析和计算机仿真结果表明 …