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Wideband DS-CDMA for next-generation mobile communications systems
1998
IEEE Communications Magazine
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Other technical features of W-CDMA include fast cell search under intercell asynchronous operation, fast transmit power control, coherent spreading code tracking, a coherent Rake receiver, orthogonal multispreading ...
W-CDMA is designed t o flexibly offer wideband services which cannot be provided by present cellular systems, with various data rates as high as 2 Mb/s. ...
However, in the DS-CDMA cellular systems, the introduction of sectored cells and also the reuse of the same carrier frequency at all cells overcome this disadvantage. ...
doi:10.1109/35.714618
fatcat:wzfhmklbm5fenlz24cfvtfvase
Adaptive Closed-Loop Power Control Algorithms for CDMA Cellular Communication Systems
2004
IEEE Transactions on Vehicular Technology
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In this thesis new closed loop power control algorithms for CDMA cellular communication systems are proposed. ...
Power control is an essential radio resource management method in CDMA cellular communication systems, where co-channel interference is the primary capacity-limiting factor. ...
The DS method is employed in most commercial CDMA systems, including UMTS. In DS-CDMA the data bits are directly multiplied by the spreading code bits (called chips). ...
doi:10.1109/tvt.2004.836937
fatcat:kvxfxe26nzhvxkmuddxgjszx6i
Recent advances in cellular wireless communications
1999
IEEE Communications Magazine
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ACKNOWLEDGMENTS The authors would like to acknowledge TELUS Mobility for support of this work. ...
DS-CDMA
S. ...
However, it makes cell search and code synchronization more complex, and may require much longer cell search time because a large number of long codes must be assigned to each cell site in the forward ...
doi:10.1109/35.790971
fatcat:lvcfgkb33bbbzkeuz3oh2ubqc4
2005 Index
2005
IEEE Transactions on Vehicular Technology
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Fuel cells
Cellular radio
3-D cellular systems for air/ground personal commun. Elnoubi, S.M., T-VT
Nov 05 1923-1931
correction to "Robust detection in DS-CDMA" (Jan 02 155-170). ...
., + , T-VT Nov 05 2066-2073 Code division multiplexing 3-D cellular systems for air/ground personal commun. Elnoubi, S.M., T-VT Nov 05 1923-1931 Codes; cf. ...
Land mobile radio cellular systems arbitrary call-arrival rates, CDMA cellular systs., mobility-based CAC algm. ...
doi:10.1109/tvt.2005.863647
fatcat:7ftwl4fyt5adfatoufxaoldhai
Spectrally Shaped Generalized Multitone Direct Sequence Spread Spectrum
2006
IEEE Transactions on Vehicular Technology
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output for the q th tap of subcarrier i for user k is ( ) ( ) , , ( ) , ( ) ( ) ( ) ( ) ( ) ( ) , , , , ( ) ( )cos(2 ) k k i q b i k i q T k k k k k k i q i q i i q i i q Z r t c t f t dt τ τ α τ π θ ...
As in any asynchronous CDMA system, theusers of SSG-MT-DS-CDMA transmit asynchronously, or each user starts its data transmission at any arbitrary time. ...
is given by
Performance Analysis In this section, we analyze the BER performance of the SW-SSG-MT-DS-CDMA. ...
doi:10.1109/tvt.2006.877492
fatcat:3v4iza2nojgzzkvl2iq25vmwi4
2013 Index
2014
IEEE Transactions on Wireless Communications
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The Author Index contains the primary entry for each item, listed under the first author's name. ...
-that appeared in this periodical during 2013, and items from previous years that were commented upon or corrected in 2013. ...
Karaca, Mehmet, +, TWC June 2013 3024-3034 Optimal Randomization of Signal Constellations on the Downlink of a Mul-tiuser DS-CDMA System. ...
doi:10.1109/twc.2011.09.499-tw1401-index
fatcat:w5ya5mg3sbcodb2crtuaoyk3su
2019 Index IEEE Transactions on Communications Vol. 67
2019
IEEE Transactions on Communications
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., +, TCOMM Dec. 2019 8247-8257 Multicarrier DS-CDMA System Under Fast Rician Fading and Partial-Time Partial-Band Jamming. ...
., +, TCOMM March 2019 2306-2320
Code division multiple access
Multicarrier DS-CDMA System Under Fast Rician Fading and Partial-Time
Partial-Band Jamming. ...
doi:10.1109/tcomm.2019.2963622
fatcat:qd6so3reavde3eiukfknmpbfsu
Accelerating The Simulation Of Wireless Cellular Systems
2000
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ACCELERATING THE SIMULATION OF WIRELESS CELLULAR SYSTEMS R ep ro d u ced with p erm ission o f th e copyright ow ner. Further reproduction prohibited w ithout perm ission. ...
system in which assigned spectrum is divided into discrete channels which are assigned in groups to geographic cells covering a cellular geographic service area. ...
The idea of reducing the search space by half at each step in the search allows for fast progress towards the solution. ...
doi:10.21220/s2-gnhf-re32
fatcat:vvvvba6m6vc5fkixjrxgapt72a
Aalborg Universitet Performance of Multi-Antenna Enhanced HSDPA Performance of Multi-Antenna Enhanced HSDPA GENERALISED MIMO DS-CDMA SINR FORMULATION AND INTERFERENCE MODELLING FOR RUN-TIME EFFICIENT HSDPA NETWORK PERFORMANCE STUDIES
2005
unpublished
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Spatial multiplexing with channelisation code reuse as well as multiple scrambling code deployments are supported. ...
Cellular MIMO system performance heavily depends on mean powers and spatial correlations of desired as well as dominant interfering signals. ...
Details on the cell search procedure are available in [3GPP04g] . ...
fatcat:6fudfsc42zdapdm65vkn6h2sci
A Journey from Improper Gaussian Signaling to Asymmetric Signaling
2020
IEEE Communications Surveys and Tutorials
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2020 pre-print arXiv:2005.00058v1 fatcat:mxsuueh3vjeizmmd75n5z7byku
systems. ...
Such asymmetric shaping bridges the gap between theoretically and practically achievable limits with sophisticated transceiver and detection schemes in both coded/uncoded wireless/optical communication ...
equalization for SISO [24] , [48] , MIMO [282] , and DS-CDMA systems [286] , [287] . ...
doi:10.1109/comst.2020.2989626
fatcat:zyno7ku6n5eqnp6rrcopczb4qu
Wireless Network Pricing
2013
Synthesis Lectures on Communication Networks
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. • Help engineers and advanced students keep up with recent developments in a rapidly evolving technology. • Facilitate the development of courses in this field Wireless Network Pricing ...
Jean Walrand, for encouraging us to start this book project during JWH's 2010 summer visit in UC Berkeley. We thank co-authors of the publications that form the ...
The most common form of CDMA is the direct sequence spread spectrum (DS-CDMA), which has been used in the third-generation (3G) cellular communication systems. ...
doi:10.2200/s00505ed1v01y201305cnt013
fatcat:azeby2beerbytkqglfedokxnzu
Implementation Issues
[chapter]
Multi-Carrier and Spread Spectrum Systems
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MC-DS-CDMA is of special interest for the asynchronous uplink of mobile radio systems, due to its close relation to asynchronous single-carrier DS-CDMA systems. ...
Asynchronous Uplink The BER performance of an asynchronous MC-DS-CDMA in the uplink is shown in Figure 2 -29 for different spreading codes and system loads. ...
or fading) for improving the system capacity. ...
doi:10.1002/9780470714249.ch4
fatcat:vp55g2zd2rgl5grhbyprze6cu4
Power Allocation in Wireless Relay Networks with Partial Channel State Information
2009
2009 IEEE International Conference on Communications
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The transmission model is applicable for uplink channels in cellular mobile systems in which multiple mobile terminals communicate with the base station with the help of a single relay station. ...
My deepest love and gratitude go to my family for their unconditional love, care and support for each and every endeavor in my life. ...
Π k = M H k M k M H k + R nv −1 , (5.15) where R nv = σ 2 v 1 I Q 0 0 R nv 2 and R nv 2 = σ 2 nΩ k β k ∆ k ∆ H kΩ H k + σ 2 v 2 I Q . ...
doi:10.1109/icc.2009.5199350
dblp:conf/icc/PhamNT09
fatcat:2qbvewgiy5hnfji3cp3d6s3ohm
Asymmetric Signaling: A New Dimension of Interference Management in Hardware Impaired Communication Systems
2021
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Many presented the widely linear model for in-phase and quadrature imbalance (IQI) but failed to recognize the impropriety induced in the system because of the self-interfering signals. ...
In this backdrop, we propose the improper Gaussian signaling (IGS) to mitigate the drastic impact of HWIs and improve the system performance in terms of achievable rate and outage probability. ...
and equalization for SISO [59, 65] , MIMO [365] , and DS-CDMA systems [369, 370] . ...
doi:10.25781/kaust-i5t5s
fatcat:lkswx5cfjrdqrdjytuskjp77ya
International Zurich Seminar on Communications: proceedings
2010
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ACKNOWLEDGMENT The work was supported by the European Commission in the framework of the FP7 Network of Excellence in Wireless in Communications NEWCOM++, and the Israel Science Foundation. ...
Acknowledgment of Support The International Zurich Seminar on Communications (IZS) is organized jointly by the IEEE Switzerland Chapter on Digital Communication Systems and the Department of Information ...
The spectral efficiency of direct sequence (DS) CDMA with random spreading for this regime over fading multiaccess channels is studied in [1] . ...
doi:10.3929/ethz-a-005994249
fatcat:uszmfebk7jg5hn4fpdgdklbwhm
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