wireless communications and networks

... according to the ISM band. 14. TL model for meander antennas Commercial and military mobile wireless systems demand for high compactness devices. An important component of any wireless system is ... Wave Antenna for Wireless Communications 47 Onofrio Losito and Vincenzo Dimiccoli Chapter 4 Superstrate Antennas for Wide Bandwidth and High Efficiency for 60 GHz Indoor Communications 93 ... Propagation constant and characteristics impedance are given by the following relations: Wireless Communications and Networks – Recent Advances 80 4 cell with 8 fingers and 4 cell with 6 fingers...

Ngày tải lên: 31/03/2014, 22:20

... (29) RECENT ADVANCES IN WIRELESS COMMUNICATIONS AND NETWORKS Edited by Jia-Chin Lin A Study of Cramér-Rao-Like Bounds and Their Applications to Wireless Communications 5 Here, ... Insightful and reader-friendly descriptions are presented to nourish readers of any level, from practicing and knowledgeable communication Recent Advances in Wireless Communications and Networks ... Heterogeneous Wireless Networks 221 Anna Maria Vegni and Roberto Cusani Chapter 12 On the Use of SCTP in Wireless Networks 245 Maria-Dolores Cano Chapter 13 Traffic Control for Composite Wireless...

Ngày tải lên: 19/06/2014, 19:20

... 0,1,…,1 (4) Recent Advances in Wireless Communications and Networks 34 random variable, ( ) 00 Ag ε = and ( ) 11 Ag ε = . Therefore, the two derived random variables 0 A and 1 A are first set ... The complex representation of the received baseband-equivalent signal can, thus, be written as Recent Advances in Wireless Communications and Networks 44  ,  ,        ,           ,   (2) where ... tH eQ stds γγ λ ∞ − =−≤ =− + ∫ (25) where Recent Advances in Wireless Communications and Networks 22 Mueller, K. H. and Muller, M. (1976). Timing Recovery in Digital Synchronous Data...

Ngày tải lên: 19/06/2014, 19:20

... Advances in Wireless Communications and Networks 66 the receive antenna, the received signals across two consecutive symbol periods, which are denoted by 1 r and 2 r for time t and tT + , ... 1* 12 2* 21 xx xx ⎡ ⎤ =− ⎣ ⎦ ⎡ ⎤ = ⎣ ⎦ x x (8) Recent Advances in Wireless Communications and Networks 52 REC, RC, BTRC, SP, and ISP pulse shapes are depicted in Figure 5 for a=1, n=2, and 0.5. SP pulse shape has the ... Furthermore, more and more wireless communication systems are now equipped with multiple transmit and receive antennas, and therefore it is desired to simultaneously obtain transmit and receive diversity...

Ngày tải lên: 19/06/2014, 19:20

... rank  G min g,c  =  QN R SDM QN T N R STBC/CDD. (53) 108 Recent Advances in Wireless Communications and Networks Recent Advances in Wireless Communications and Networks 94 Wolniansky, P. W., Foschini, G. J., Golden, ... N)P(D g,c , λ g,c , α g,c ), (39) 104 Recent Advances in Wireless Communications and Networks Recent Advances in Wireless Communications and Networks 88 4.2 Conventional beamforming A conventional ... Recent Advances in Wireless Communications and Networks 86 4.1 Linear array and signal model Fig. 16 depicts a linear array with L omni-directional and equi-spaced antennas, and the antenna...

Ngày tải lên: 19/06/2014, 19:20

... CDMA in indoor wireless radio networks, Proc. IEEE Int. Symp. on Pers., Indoor and Mob. Rad. Comm., Yokohama (Japan), pp. 109–113. 116 Recent Advances in Wireless Communications and Networks Optimal ... principal multiple access schemes for broadband wireless multiuser systems. It has being proposed for use in several broadband multiuser wireless standards like IEEE 802.20 (MBWA: http://grouper.ieee.org/groups/802/20/), ... Advances in Wireless Communications and Networks Optimal Resource Allocation in OFDMA Broadcast Channels Using Dynamic Programming 15 Fig. 13. Optimal resource allocation vectors u and r for λ...

Ngày tải lên: 19/06/2014, 19:20

... Wireless Communications Physical layer development and implementatiom, InTech Publishing, chapter Wireless Communications and Multitaper Analysis: Applications to Channel Modelling and Estimation. Haykin, S. (2005). ... ratio test 156 Recent Advances in Wireless Communications and Networks 0 Primary User Detection in Multi-Antenna Cognitive Radio Oscar Filio 1 , Serguei Primak 1 and Valeri Kontorovich 2 1 The University ... Cooperative sensing via sequential detection, 58(12): 6266 –6283. 164 Recent Advances in Wireless Communications and Networks 4 Will-be-set-by-IN-TECH Fig. 1. System Model Fig. 2. Filtered Observations 2....

Ngày tải lên: 19/06/2014, 19:20

... Advances in Wireless Communications and Networks 192 2.2 Vertical handoff In integrated networks, there are two types of handoff: intra-technology handoff and inter- technology handoff (Lampropoulos ... Integrated Wireless LAN and 3G Cellular Networks 193 integrated WLAN and 3G cellular networks, seamless vertical handoffs and call admission control must be considered as dependent and joint ... tightly interacts with vertical handoff and QoS provisioning schemes in integrated WLAN and 3G cellular networks. Recent Advances in Wireless Communications and Networks 172 example the interior-point...

Ngày tải lên: 19/06/2014, 19:20

... trE {x 2 x † 2 }≤P 2 .Thereceived 212 Recent Advances in Wireless Communications and Networks Joint Call Admission Control in Integrated Wireless LAN and 3G Cellular Networks 201 connections staying in ... Handover) Fig. 2. MN-initiated and MN-cancelled handover Recent Advances in Wireless Communications and Networks 202 prabability and handoff dropping probability. To reduce the complexity, ... including both 802 and non 802 networks. The standard provides quick handovers of data sessions across heterogeneous networks with small switching delays and minimized latency. The handover in heterogeneous...

Ngày tải lên: 19/06/2014, 19:20

... Mobility and handovers in wireless networks Several works in the related literature had demonstrated the advantages of using SCTP to improve both vertical or horizontal handovers and signaling in wireless ... useful for handovers between EGPRS and Wireless Local Area Networks (WLAN). Honda et al. proposed a new handover mechanism based on SCTP and a new data retransmission feature for smooth handover. ... between HTTP requests and Recent Advances in Wireless Communications and Networks 248 Shutdown. SCTP shutdown procedure uses three messages: shutdown, shutdown ack, and shutdown complete....

Ngày tải lên: 19/06/2014, 19:20

... (2005). IEEE Standard for Local and metropolitan area networks. Part 16: Air interface for fixed broadband wireless access systems. IEEE Std. 802.21-2008. (2008). IEEE Standard for Local and metropolitan ... near future, wireless access networks will be composed of diverse wireless medias. To exploit wireless media diversity in expected access networks, some bandwidth-aggregation methods in wireless ... Proceedings Symposia and Workshops on Ubiquitous, Autonomic and Trusted Computing, pp. 330-335. Recent Advances in Wireless Communications and Networks 262 but it consumes less bandwidth. Table...

Ngày tải lên: 19/06/2014, 19:20

... proposal decreases rapidly, and becomes much lower than that of the 290 Recent Advances in Wireless Communications and Networks Recent Advances in Wireless Communications and Networks 316 to WSNs ... networks, Mob. Netw. Appl., Vol. 9, No. 4, pp. 363–378, 2004. 295 Traffic Control for Composite Wireless Access Route of IEEE802.11/16 Links Recent Advances in Wireless Communications and Networks ... Distributed traffic load to each wireless system on FTP file size 350K bytes. 292 Recent Advances in Wireless Communications and Networks Traffic Control for Composite Wireless Access Route of IEEE802.11/16...

Ngày tải lên: 19/06/2014, 19:20

... Advances in Wireless Communications and Networks Recent Advances in Wireless Communications and Networks 346 Fig. 1. LTE Architecture and functional split between E-UTRAN and EPC LTE ... 9. Fig. 9. Standard adaptation as function of the video compression 340 Recent Advances in Wireless Communications and Networks Recent Advances in Wireless Communications and Networks 324 ... for Enhanced Efficiency in Wireless Sensor Networks. Proceedings of 1st International Workshop on Parallel and Distributed Computing Issues in Wireless Networks and Mobile Computing. Manjeshwar,...

Ngày tải lên: 19/06/2014, 19:20

Ngày tải lên: 19/06/2014, 19:20

Ngày tải lên: 19/06/2014, 19:20

Ngày tải lên: 19/06/2014, 19:20

Ngày tải lên: 19/06/2014, 19:20

Ngày tải lên: 21/06/2014, 17:20

Ngày tải lên: 21/06/2014, 23:20

... architecture and functionality of the MAC sublayer. Next, we summarize the functionalities of FHSS and DSSS. 20 FUNDAMENTALS OF WIRELESS COMMUNICATIONS and modern wireless networks and communications ... all major 3G mobile cellular standards, wireless local area networks (LANs), wireless personal area net- works (PANs), Bluetooth, All-IP wireless networking, B3G wireless, and other emerging technologies, such ... design methodologies and concepts for wireless systems and networks. This book project was initiated to respond to the evolutional trend in the design of wireless systems and networks. It is written...

Ngày tải lên: 03/06/2014, 01:05