wireless multiple access telecommunication materials

Báo cáo hóa học: " Research Article Partial Interference and Its Performance Impact on Wireless Multiple Access Networks" potx

Ngày tải lên : 21/06/2014, 11:20

... analyzing the performance of wireless multiple access protocols. 8. Conclusion In this paper, we have introduced the notion of partial interference in wireless multiple access systems and illustrated the ... on multiple access networks, we propose an analytical framework to characterize partial interference for two representative types of multiple access wireless networks, namely, the IEEE 802.11 Wireless ... Wireless Communications and Networking Volume 2010, Article ID 735083, 20 pages doi:10.1155/2010/735083 Research Article Partial Interference and Its Performance Impact on Wireless Multiple Access...

20
299
0

Báo cáo sinh học: " Decentralized estimation over orthogonal multiple- access fading channels in wireless sensor networks-- optimal and suboptimal estimators" pot

Ngày tải lên : 18/06/2014, 22:20

... optimal and suboptimal decentralized estimators in wireless sensor networks over orthogonal multiple- access fading channels in this paper. Considering multiple- bit quantization for digital transmission, ... versions will be made available soon. Decentralized estimation over orthogonal multiple- access fading channels in wireless sensor networks optimal and suboptimal estimators EURASIP Journal on ... the performance. It is shown in the 25 Decentralized estimation over orthogonal multiple- access fading channels in wireless sensor networks— optimal and suboptimal estimators Xin Wang ∗ 1 and Chenyang...

35
298
0

báo cáo hóa học:" Decentralized estimation over orthogonal multiple- access fading channels in wireless sensor networks-- optimal and suboptimal estimators" ppt

Ngày tải lên : 20/06/2014, 04:20

... for wireless sensor networks— part I: G aus s ian case. IEEE Trans. Signal Process. 54(3), 1131–1143 (2006) 5. A Ribeiro, GB Giannakis, Bandwidth-constrained d is t r ibu t ed estimation for wireless ... observations provided by multiple sensor s . However, their performance degrades dramatically when communication errors cannot be ignored or corrected. On the other hand, various wireless communication ... Commun. 23(4), 735–744 (2005) 7. H Li, J Fang, Distributed adaptive quantization and estimation for wireless sensor networks. IEEE Signal Process. Lett. 14(10), 669–672 (2007) 8. J Fang, H Li, Distributed...

35
410
0

báo cáo hóa học:" Multiple access communications in future-generation wireless networks" potx

Ngày tải lên : 21/06/2014, 17:20

... “Polarization Division Multiple Access With Polarization Modulation for LOS Wireless Communications” by Bin Cao, Qin-Yu Zhang, and Lin Jin discusses a potential multiple access and modulation ... full text (HTML) versions will be made available soon. Multiple access communications in future-generation wireless networks EURASIP Journal on Wireless Communications and Networking 2012, 2012:45 ... in Multiple Access Communications such as new cooperative MAC protocols; spectrum sharing, and channel assignment techniques for cognitive radio networks; new results on PHY layer multiple access...

17
306
0

Báo cáo hóa học: " Research Article An Adaptive Time-Spread Multiple-Access Policy for Wireless Sensor Networks" pot

Ngày tải lên : 22/06/2014, 19:20

8
275
0

Báo cáo hóa học: " Cross-Layer Design of an Energy-Efﬁcient Cluster Formation Algorithm with Carrier-Sensing Multiple Access for Wireless Sensor Networks" pdf

Ngày tải lên : 23/06/2014, 00:20

14
348
0

Báo cáo hóa học: " Optimal Throughput and Energy Efﬁciency for Wireless Sensor Networks: Multiple Access and Multipacket " potx

Ngày tải lên : 23/06/2014, 00:20

13
401
0

Multiple Access Protocols for Mobile Communications - GPRS, UMTS and Beyond

Ngày tải lên : 02/03/2013, 16:59

... 44 2.5.3 Wireless Local Area Network (WLAN) Standards 46 2.6 Summary 48 3 Multiple Access in Cellular Communication Systems 49 3.1 Multiple Access and the OSI Layers 49 3.2 Basic Multiple Access ... with multiple access protocols,which govern access to these resources. The basic multiple access schemes are brieﬂy described further below in this section, and the importance of the multiple access ... the Importance of Multiple Access Protocols 59 3.4.2 Medium Access Control in CDMA 60 3.4.3 Conﬂict-free or Contention-based Access? 62 3.5 Review of Contention-based Multiple Access Protocols...

478
664
0

Tài liệu Lab 11.2.3d Multiple Access Lists Functions (Challenge Lab) pdf

Ngày tải lên : 18/01/2014, 05:20

... Outgoing access list is ________ Inbound access list is ________ Interface __________ Outgoing access list is ________ Inbound access list is ________ Interface __________ Outgoing access ... Verify the Access Lists a. Now that the access lists have been applied, they need to be verified. First, verify what lists have been defined. From a CLI session on one of the routers with access ... of the routers with access lists, display the access lists with the Boaz#show ip access- lists command. Record the information about one of the access lists. _____________________________________________________________________________________...

8
355
0

Tài liệu Chapter 12 Multiple Access docx

Ngày tải lên : 16/02/2014, 20:20

... polling access method 12.40 Figure 12.22 Time-division multiple access (TDMA) 12.35 Figure 12.20 Logical ring and physical topology in token-passing access method 12.1 Chapter 12 Multiple Access Copyright ... protocol 12.24 Figure 12.13 Collision and abortion in CSMA/CD 12.38 Figure 12.21 Frequency-division multiple access (FDMA) 12.29 In CSMA/CA, the IFS can also be used to define the priority of a station...

54
835
0

Wireless Internet access: 3G vs. WiFi?$ pot

Ngày tải lên : 15/03/2014, 22:20

... of consumers from paid access services to FreeNet access is signiﬁcant, this will cannibalize the access revenues earned by service providers offering wireline or wireless access services. These ... communication systems (PCS) 12 and used technologies such as time division multiple access (TDMA), code division multiple access (CDMA) and global system for mobile-communications (GSM). From 1995 ... experience with using wireless broadband access services. In addition to the FreeNet movement, there are a number of service providers now looking at using WiFi as the basis for wireless access over broad...

20
350
0

Báo cáo hóa học: " Research Article Iterative Fusion of Distributed Decisions over the Gaussian Multiple-Access Channel Using Concatenated BCH-LDGM Codes" potx

Ngày tải lên : 21/06/2014, 07:20

... (ICASSP ’07),pp. 541–544, April 2007. [24]W.LiandH.Dai,“Distributeddetectioninwirelesssensor networks using a multiple access channel,” IEEE Transactions on Signal Processing, vol. 55, no. 3, pp. ... and T. Kwon, “A novel cluster-based cooperative MIMO scheme for multi-hop wireless sensor networks,” Eurasip Journal on Wireless Communications and Networking, vol. 2006, Article ID 72493, 9 pages, ... network,” Eurasip Journal on Wireless Communications and Networking, vol. 2010, Article ID 343690, 12 pages, 2010. [12] W. K. G. Seah, A. E. Zhi, and H. P. Tan, Wireless sensor networks powered...

12
275
0

Báo cáo hóa học: " Research Article Capacity of Time-Hopping PPM and PAM UWB Multiple Access Communications over Indoor Fading Channels" ppt

Ngày tải lên : 21/06/2014, 22:20

... the capacity analysis given in Section 3 for a single user to be extended to a multiple- access system. 4.1. Multiple- access interference model Asgivenin(4), the received signal is modeled as r(t) = K  k=1 L  l=1 a lk (t)X (k) l  t ... active in the multiple- access system, the optimal PPM receiver has a complex structure that takes advantage of all receiver knowledge regarding the characteristics of the multiple- access interference ... capacity and number of users for a multiple access UWB system with PPM over a multipath fading channel, L = 2, m = 0.65, G = 100, P x =−11 dBm, and SNR = 15 dB. a multiple access UWB system with PPM...

9
287
0

Báo cáo hóa học: " Research Article Analysis of Coded FHSS Systems with Multiple Access Interference over Generalized Fading Channels" ppt

Ngày tải lên : 21/06/2014, 23:20

... spread-spectrum multiple- access communications over fading channels,” IEEE Transactions on Communications, vol. 30, no. 5, part 2, pp. 996–1009, 1982. [3] G. Einarsson, “Coding for a multiple- access frequency- hopping ... Corporation EURASIP Journal on Wireless Communications and Networking Volume 2008, Article ID 346730, 9 pages doi:10.1155/2008/346730 Research Article Analysis of Coded FHSS Systems with Multiple Access Interference ... prior to the FHSS transmission in order to spread burst errors in the decoder. We consider a multiple- access FHSS network of K users. The frequency band is divided into Q bands and users transmit...