On the dynamic spectrum access for next generation wireless communication systems

... servicing the traffic demands, and at the same time fulfill the GoS constraints of the individual radio systems Finally, we conclude the thesis with the presentation of the thesis contributions and the ... detect the spectrum holes In such a scenario, the SRs are not required to perform spectrum sensing but rely on the information from the sensor network for...

Ngày tải lên: 11/09/2015, 09:09

... 67 Reference Material 66 67 Ethernet Access for Next Generation Metro and Wide Area Networks OL-14760-01 iii Ethernet Access for Next Generation Metro and Wide Area Networks Introduction Scope ... tabular format in Table Ethernet Access for Next Generation Metro and Wide Area Networks 40 OL-14760-01 Scalability and Performance Resu...

Ngày tải lên: 21/12/2013, 06:15

... Enhanced Radio Access Technologies for Next Generation Mobile Communication Enhanced Radio Access Technologies for Next Generation Mobile Communication Edited by Yongwan ... data (such as downloading information, exchanging email, and instant messaging) Y Park and F Adachi (eds.), Enhanced Radio Access Technologies for Next Generation Mobile...

Ngày tải lên: 07/08/2014, 21:20

... Europe H .26 4/MPEG4 6MHz/9.2Mbps USA USA, Europe Japan H .26 4/MPEG2 5∼8MHz/ 11.2Mbps OFDM 19 TV and 10 radio H .26 4/MPEG2 8MHz/ 15Mbps OFDM TV and 12 radio H .26 4/MPEG2 6MHz/ 23 Mbps OFDM -/- Video/Audio ... Broadband World Forum, Seoul 21 Wikipedia The Free Encyclopedia, http://www.wikipedia.org 22 Wilkinson N., 20 02, Next Generation Network Services, Wiley, Guildford 23 Y...

Ngày tải lên: 07/08/2014, 21:20

... demands for broad ranges of services are becoming stronger even in wireless networks People 81 Y Park and F Adachi (eds.), Enhanced Radio Access Technologies for Next Generation Mobile Communication, ... Networks 4G Technologies, Wiley, Wiltshire Groe J.B., Larson L.E., 2000, CDMA Mobile Radio Design, Artech House, London Harada H., Prasad R., 2002, Simulation and Soft...

Ngày tải lên: 07/08/2014, 21:20

... CDMA TECHNOLOGIES 111 10–1 U = 16 Average BER 10–2 10–3 DS 10 4 MC U 16 U=1 U=8 QPSK L = 16, uniform profile (β = 0dB), fDT = 10 4 10–5 10 12 Average received Eb /N0 (dB) 14 16 Figure 22 BER performance ... fading channel with uniform power delay profile ( = dB), and ideal channel estimation The BER performance using frequency-domain STTD is plotted in Figure 14 for SF=16 For compar...

Ngày tải lên: 07/08/2014, 21:20

... this, such as in future 121 Y Park and F Adachi (eds.), Enhanced Radio Access Technologies for Next Generation Mobile Communication, 121– 150 © 2007 Springer 122 CHAPTER 4G systems, the combination ... t where (55 ) − t ≤ t ≤ tM otherwise pM t = (54 ) f j−1 P+p = j − P + p − PJM /2 t M = TM − (56 ) (57 ) f = f t tM TM = PTS = PJS TcS (58 ) In (53 )- (58 ), pM t is a rectangu...

Ngày tải lên: 07/08/2014, 21:20

... Number of Slots 9 .6 BPSK 2 56 1/4 26. 67 16 19.2 BPSK 512 1/4 26. 67 16 38.4 BPSK 1024 1/4 26. 67 16 76. 8 BPSK 2048 1/4 26. 67 16 153 .6 BPSK 40 96 1/2 26. 67 16 CDMA2000 1X & 1X EV-DO 165 Figure 15 1xEV-DO ... − 160 − 166 −158 39 74 −111 149 37 15 10 127 92 − 160 − 166 −158 39 77 −110 149 37 10 134 1 46 − 164 − 160 −158 48 −2 02 −109 0 157 17 15 10 134 53 − 164 − 160 −158 48 −2 2...

Ngày tải lên: 07/08/2014, 21:20

... network-to -mobile- terminal direction 191 Y Park and F Adachi (eds.), Enhanced Radio Access Technologies for Next Generation Mobile Communication, 191–216 © 20 07 Springer 192 CHAPTER The introduction of HSDPA in ... 2,4 57. 6 1,024 1,024 1,024 1,024 1,024 2,048 2,048 2,048 3, 072 3, 072 4,096 4,096 Number of Bits Values per Physical Layer Packet 2.560 2,560 2,560 2,560 1,...

Ngày tải lên: 07/08/2014, 21:20

... UTRA technologies with focus on physical-layer aspects 217 Y Park and F Adachi (eds.), Enhanced Radio Access Technologies for Next Generation Mobile Communication, 217–276 © 2007 Springer 2 18 CHAPTER ... the radio access technologies and physical-layer channels for the Evolved UTRA (UMTS Terrestrial Radio Access, UMTS: Universal Mobile Telecommunications Sys...

Ngày tải lên: 07/08/2014, 21:20

... and 2/3 for multiple sets of UE Cat for multiple sets of UE Cat 2/3 for UE Cat 2/3 for UE Cat 2/3 for UE Cat and 2/3 for UE Cat and 2/3 for UE Cat and 2/3 for UE Cat for UE Cat for UE Cat for UE ... scheme for L1/L2 control information Cat 2/3 for UE Cat 2/3 for UE Cat 2/3 for UE 240 CHAPTER information In principle, the following tradeoffs exist between the join...

Ngày tải lên: 07/08/2014, 21:20

... enhance the system goodput for the IEEE 802.11n networks In this paper, a frame-aggregated link adaptation (FALA) protocol is proposed to maximize the goodput performance for the IEEE 802.11n networks ... variation Proposed Frame-Aggregated Link Adaptation (FALA) Protocol By using the PHY layer information, it is intuitive that the CLA scheme should result in enhanced good...

Ngày tải lên: 21/06/2014, 17:20

... critical implementation aspects for the adoption of smart antennas in future wireless systems We would like to thank the authors, the reviewers and Hindawi staff for their efforts in the preparation ... antenna elements Bounds on capacity for Rayleigh fading channels highlight the benefits of subarray formation while low-complexity algorithms for grouping antennas into subarrays...

Ngày tải lên: 22/06/2014, 00:20