Khurram Muhammad, Robert Bogdan Staszewski, Dirk Leipold, "Digital RF Processing: Toward Low-Cost Reconfigurable Radios", IEEE Communications Magazine, vol. 43 , no. 8, August 2005
RF circuits for multi-gigahertz frequencies have recently migrated to state-of-the-art low-cost digital CMOS processes. This article visits fundamental techniques recently developed that migrate RF an...

Ching-Hsiang Tseng, Sun-Chung Chou, "Direct Downconversion of Multiband RF Signals Using Bandpass Sampling", IEEE Transactions on Wireless Communications, vol. 5 , no. 1, January 2006
Bandpass sampling can be used by radio receivers to directly digitize the radio frequency (RF) signals. Although the bandpass sampling theory for single-band RF signals is well established, its counte...

Saikat Ray, Wei Lai, Ioannis Ch. Paschalidis, "Deployment optimization of sensornet-based stochastic location-detection systems", IEEE INFOCOM 2005 - The Conference on Computer Communications, no. 1 , March 2005 pp. 2279-2289
We propose a systematic framework for designing a stochastic indoor location detection system with associated performance guarantees using a hierarchical wireless sensor network. To detect the locatio...

Joo-Seok Park, Dong-Jo Park, "A new antenna selection algorithm with low complexity for MIMO wireless systems", ICC 2005 - IEEE International Conference on Communications, no. 1 , May 2005 pp. 2308-2312
In this paper, we propose a new antenna selection algorithm with low complexity for multiple-input multiple-output (MIMO) wireless systems. We consider the selection only at the receiver (i.e., the tr...

Abhishek Kashyap, Mark Shayman, "Routing and traffic engineering in hybrid RF/FSO networks", ICC 2005 - IEEE International Conference on Communications, no. 1 , May 2005 pp. 3427-3433
We provide a routing framework for hybrid RF/FSO backbone networks, utilizing the characteristics of RF and Free Space Optical (FSO) links. FSO links offer higher bandwidth and security, while RF link...

Marco Chiani, Maria G. Martini, "Practical frame synchronization for data with unknown distribution on AWGN channels", IEEE Communications Letters, vol. 9 , no. 5, May 2005 pp. 456-458
We study practical frame synchronization based on sequential search of sync markers: these synchronizers can be used for frames of both known or unknown lengths. First, according to the hypothesis tes...

Marvin K. Simon, Victor A. Vilnrotter, "Alamouti-type space-time coding for free-space optical communication with direct detection", IEEE Transactions on Wireless Communications, vol. 4 , no. 1, Jan 2005 pp. 35-39
A modification of the Alamouti code originally proposed for RF wireless applications is described that allows it to be applied in scenarios such as free-space optical communication with direct detecti...

Martin Krueger, Robert Denk, Bin Yang, "The Training Sequence Code Dependence of EDGE Receivers using Zero IF Sampling", IEEE Transactions on Wireless Communications, vol. 5 , no. 2, February 2006
In the mobile communication standard GSM/EDGE, the base station can select one of eight training sequence codes as the midamble of the downlink transmitted bursts. If the receiving mobile station uses...

John E. Kleider, Ghassan Maalouli, Steve Gifford, Scott Chuprun, "Preamble and embedded synchronization for RF carrier frequency-hopped OFDM", IEEE Journal on Selected Areas in Communications, vol. 23 , no. 5, May 2005 pp. 920-931
In this work, we apply RF carrier frequency hopping to orthogonal frequency-division multiplexing (FH-OFDM). Achievable hop rate and bandwidth efficiency are determined based on signal acquisition/syn...

Alina Beygelzimer, Mark Brodie, Sheng Ma, Irina Rish, "Test-based diagnosis: Tree and matrix representations", IM 2005 - IFIP/IEEE International Symposium on Integrated Network Management, no. 1 , May 2005 pp. 529-542
A common problem encountered in many application scenarios is how to represent some prior knowledge about a system in order to determine its true state as efficiently as possible.The information is ty...

Aditya Mahajan, Manu Agarwal, Ajit K. Chaturvedi, Senior Member IEEE, "A Novel Method for Down-Conversion of Multiple Bandpass Signals", IEEE Transactions on Wireless Communications, vol. 5 , no. 2, February 2006
Simultaneous down-conversion of multiple bandpass signals is desirable for a number of wireless applications. Bandpass sampling technique can be used for this purpose, but it is difficult to implement...

Alexandre Graell i Amat, Sergio Benedetto, Guido Montorsi, Daniele Vogrig, Andrea Neviani, Andrea Gerosa, "An analog turbo decoder for the rate-1/3, 40 bit, UMTS turbo code", ICC 2005 - IEEE International Conference on Communications, no. 1 , May 2005 pp. 663-667
In this paper, we discuss the design and testing results of an analog 0.35µm CMOS Turbo decoder for the rate- 1/3, 40 bit, UMTS Turbo Code. The prototype was successfully tested at nominal conditions ...

Rahul Mangharam, Ragunathan Rajkumar, Sofie Pollin, Francky Catthoor, Bruno Bougard, Liesbet Van der Perre, Ingrid Moeman, "Optimal fixed and scalable energy management for wireless networks", IEEE INFOCOM 2005 - The Conference on Computer Communications, no. 1 , March 2005 pp. 114-125
In many devices, wireless network interfaces consume upwards of 30% of scarce portable system energy. Extending the system lifetime by minimizing communication power consumption has therefore become a...

A. Benharref, R. Glitho, R. Dssouli, "A web service based-architecture for detecting faults in web services", IM 2005 - IFIP/IEEE International Symposium on Integrated Network Management, no. 1 , May 2005 pp. 1273-1276
Web services are emerging as the standard paradigm for program-to-program interactions on Internet. They are gaining more and more momentum and their management is becoming critical. Fault management ...

Patrick McGregor, Richard Kaczmarek, Vernon Mosley, Dennis Dease, Peter Adams, "National Security/Emergency Preparedness and the Next-Generation Network", IEEE Communications Magazine, vol. 44 , no. 5, May 2006
National Security/Emergency Preparedness (NS/EP) requires effective communications supporting leadership and key staff in their access to information and their coordination of decisions. Results of te...

Andrew W. Moore, Laura B. James, Adrian Wonfor, Ian H. White, Richard V. Penty, Madeleine Glick, Derek McAuley, "Chasing Errors through the Network Stack: A Testbed for Investigating Errors in Real Traffic on Optical Networks", IEEE Communications Magazine, vol. 43 , no. 8, August 2005
A testbed is described that allows both physical layer errors to be observed and analyzed, as well as monitoring network performance via frame loss. Real network traffic loads can be used for testing ...

Poompat Saengudomlert, Vincent W. S. Chan, "Hybrid optical and electronic signal processing for ultra-wideband RF antenna arrays", ICC 2005 - IEEE International Conference on Communications, no. 1 , May 2005 pp. 2063-2069
We extend two existing narrowband beamforming techniques for ultra-wideband applications: minimum mean square error (MMSE) beamforming and MMSE beamforming subject to the constraint on complete nullin...

Ahmed Helmy, Sandeep Gupta, "FOTG: Fault-oriented stress testing of IP multicast", IEEE Communications Letters, vol. 9 , no. 4, Apr 2005 pp. 375-377
Network simulators provide a useful tool for protocol evaluation. However, the results depend heavily on the simulated scenarios, especially for complex protocols such as multicast. There has been lit...

Marco Chiani, Maria G. Martini, "On Sequential Frame Synchronization in AWGN Channels", IEEE Transactions on Communications, vol. 54 , no. 2, February 2006
We present a framework for the analysis of frame synchronization based on synchronization words (SWs), where the detection is based on the following sequential algorithm. The received samples are obse...

Shinta Suigimoto, Masayuki Ariyoshi, Csaba Keszei, Zoltán Turányi, András Valkó, Yoshinori Hayashi, Katsutoshi Nishida, Shin-ichi Isobe, Atsushi Iwasaki, "Experimental evaluations of feasibility and bottlenecks of IP 2 mobility management", ICC 2005 - IEEE International Conference on Communications, no. 1 , May 2005 pp. 1407-1412
Experimental system of IP2 mobility management was designed and implemented in order to confirm feasibility of the protocol and identify its bottlenecks. The experimental system is based on a prototyp...

Ivan Siu-Chuang Lu, Neil Weste, Sri Parameswaran, "The effect of receiver front-end non-linearity on DS-UWB systems operating in the 3 to 4GHz band", WCNC 2005 - IEEE Wireless Communications and Networking Conference, no. 1 , March 2005 pp. 776-781
This paper presents the performance analysis of direct sequence ultrawideband (DS-UWB) systems operating with non-linear receiver front-ends. Following this analysis, we propose the novel use of pulse...

Christian Vogt, Roland Bless, Mark Doll, Tobias Kuefner, "Early binding updates for mobile IPv6", WCNC 2005 - IEEE Wireless Communications and Networking Conference, no. 1 , March 2005 pp. 1440-1445
The long latency associated with Mobile IPv6's home-address and care-of-address tests can significantly impact delay-sensitive applications. This paper presents an optimization to Mobile IPv6 correspo...

Guanbin Xing, Manyuan Shen, Hui Liu, "Frequency offset and I/Q imbalance compensation for direct-conversion receivers", IEEE Transactions on Wireless Communications, vol. 4 , no. 2, Mar 2005 pp. 673-680
Two types of wireless system imperfections, namely, frequency offset and in-phase/quadrature (I/Q) imbalance, are addressed in this paper. The I/Q imbalance in radio frequency (RF) direct-conversion n...

Song Ci, Hamid Sharif, Krishna Nuli, "Study of an adaptive frame size predictor to enhance energy conservation in wireless sensor networks", IEEE Journal on Selected Areas in Communications, vol. 23 , no. 2, Feb 2005 pp. 283-292
Technological advances in low-power digital signal processors, radio frequency (RF) circuits, and micromechanical systems (MEMS) have led to the emergence of wirelessly interconnected sensor nodes. Th...

Wayne G. Phoel, "Iterative demodulation and decoding of frequency-hopped PSK in partial-band jamming", IEEE Journal on Selected Areas in Communications, vol. 23 , no. 5, May 2005 pp. 1026-1033
This paper considers the problem of developing and utilizing side information in a frequency-hopped communication system using phase-shift keying (PSK) and operating in an environment with partial-ban...

E. Grampín, J. Serrat, "Cooperation of control and management plane for provisioning in MPLS networks", IM 2005 - IFIP/IEEE International Symposium on Integrated Network Management, no. 1 , May 2005 pp. 281-294
This paper presents an alternative method to setup Label Switched Paths (LSPs) with Quality of Service (QoS) constraints in Multiprotocol Label Switching (MPLS) enabled networks. The motivation behind...

Hong Bong Kim, "An adaptive bandwidth reservation scheme for multimedia mobile cellular networks", ICC 2005 - IEEE International Conference on Communications, no. 1 , May 2005 pp. 3088-3094
In mobile cellular networks, limiting handover dropping probability within a prespecified target value is a very important quality of service issue because mobile hosts should be able to maintain ongo...

Gabriel-Miro Muntean, Philip Perry, Liam Murphy, "Objective and Subjective Evaluation of QOAS Video Streaming over Broadband Networks", eTransactions on Network and Service Management, vol. 2 , no. 1, November 2005
Implications of the ideas and results presented in the paper from an industrial, engineering and economic point of view ...

Wei Li, Christos G. Cassandras, "A minimum-power wireless sensor network self-deployment scheme", WCNC 2005 - IEEE Wireless Communications and Networking Conference, no. 1 , March 2005 pp. 1897-1902
In deploying a wireless sensor network with a given number of nodes, a placement policy is required to minimize the power consumption needed for communication. This issue is addressed by formulating a...

Li Xinwan, Chen Jianping, Wu Guiling, Wang Hui, Ye Ailun, "An experimental study of an optical burst switching network based on wavelength-selective optical switches", IEEE Communications Magazine, vol. 43 , no. 5, May 2005 pp. 3-10
In this article we report the system structure and test results of an experimental optical burst switching network with three edge routers and one core node. Wavelength-selective switches developed fo...