terminology and concepts for ng radio systems and spectrum management

... Jeong, W S Jeon, and D G Jeong, “Dynamic channel sensing management for OFDMA-based cognitive radio systems, ” in Proceedings of the IEEE Vehicular Technology Conference (VTC ’07), Dublin, Ireland, ... operation in the TV Bands,” July 2007 [2] Y C Liang, Y Zeng, E Peh, and A T Hoang, “Sensingthroughput tradeoff for cognitive radio networks,” in Proceedings of the IEEE International Conference on ... reporting for channel adaptation mechanism (e.g., the power control and the adaptive modulation and coding) is usually carried out frame-by-frame basis If the channel condition changes largely during...

Ngày tải lên: 21/06/2014, 05:20

Ngày tải lên: 26/01/2014, 07:20

... RRC (radio resource controller) is located A RRA collects information on radio resources and supervises the MAC and PHY functions including power control A RRC collects radio resource information ... spacetime coding [16] for supporting downlink macrodiversity That is, the serving BS and the dominant neighboring BS transmit two signals y1 and y2 at the same time over the same frequency band, followed ... insight for designing H Add Threshold and H Delete Threshold for macrodiversity hand-off procedure defined in the IEEE 802.16e standard [18] The IEEE 802.16e standard introduces a macro diversity hand-off...

Ngày tải lên: 21/06/2014, 11:20

... Communications and Networking MRC Zero-forcing − Rc CT y11 HH 11 x1 ··· yu1 Zero-forcing − Rc CT HH u1 yu2 Zero-forcing − Rc CT HH u2 xu ··· Zero-forcing − Rc CT yup HH up ··· Zero-forcing − Rc CT ... of performance results for all the MUD schemes considered in this contribution PERFORMANCE RESULTS In this section, we show a range of BER performance results for the MC DS-CDMA systems using the ... average SNR per bit performance for the MC DS-CDMA using Gold-sequences and having a T domain spreading factor of Ne = 31, when communicating over frequency-selective Rayleigh fading channels MMSE-MUD:...

Ngày tải lên: 22/06/2014, 19:20

... Liu, Mr Xiaoguang Dai, Ms Ziyun Shao, Mr Ka-Chung Leung, Mr Peng Zhang, Dr Yanhui Geng, Ms Qiong Sun, Mr Haoling Xiahou, Mr Zhibo Ni, Mr Jun Zhang, Mr Xiaolei Sun, Mr Chengwen Xing They have made ... friends and classmates who have kindly provided me assistance and companionship in the process of preparing this thesis: Dr Zhi Zhang, Dr Zhiqiang Chen, Dr Mingxiang Xiao, Dr Fei Mai, Mr Xueyong Liu, ... Channel Estimation for OFDM Systems and System Capacity for MIMO-OFDM Systems by Zhou Wen B Eng., M Eng., USTC, P R China A thesis submitted in partial fulfillment of the requirements for the Degree...

Ngày tải lên: 20/11/2012, 11:28

... the transmission line connecting busi and bus]j is: where NGbNig NLb P1,i = power flowing from bus ito bus jon the E Li (5) line connecting bus i and bus j phase angle at bus i Oi X/j where CRtot ... comprise conducting a dc power flow analysis A system and load points reliability evaluation method for composite generation and transmission systems operating economically and securely is presented ... each of the single and double contingencies, in order to determine the effect of contingencies on the system A generation rescheduling is conducted, after the occurrence of a contingency if the...

Ngày tải lên: 03/01/2014, 19:39

... multiplying (max-plus algebra), equivalently adding (conventional) the left- and right-hand sides by γ and then repeatedly substituting the right-hand side for X (γ ) within this right-hand side ... theory and linear system theory form an ideal background For algebra, [61] for instance provides suitable background material; for probability theory this role is for instance played by [20], and for ... Ratios to Random Eigenpairs 7.5.4 Finiteness and Coupling in Rmax ; Positive Case 7.5.5 Finiteness and Coupling in Rmax ; Strongly Connected Case 7.5.6 Finiteness and Coupling in Rmax...

Ngày tải lên: 19/02/2014, 03:20

... single dialogue act Multiple is for utterances annotated with more than one dialogue act, and Overall indicates the performance over the entire set P stands for precision, R for recall, and F for ... alignment templates and maximum entropy models for natural language understanding In Proceedings of the tenth conference on European chapter of the Association for Computational Linguistics - Volume ... starting point of the extracted dialogue act and the starting point of the paired annotation We the same for the ending point and we average the two error figures The result is binned to form the...

Ngày tải lên: 07/03/2014, 22:20

... splicing and are often alternatively spliced Alternative splicing increases the coding capacity of the genome, generating multiple proteins from a single gene The resulting protein isoforms frequently ... Biochem Biophys Res Commun 361, 829–834 63 Hong X, Jiang F, Kalkanis SN, Zhang ZG, Zhang X, Zheng X, Jiang H, Mikkelsen T & Chopp M (2008) New concepts for heparanase function 64 65 66 67 68 69 ... multifaceted protein engaged in multiple aspects of tumor progression, combining enzymatic activity-dependent and -independent activities of heparanase and affecting two systems critical for tumor progression,...

Ngày tải lên: 15/03/2014, 23:20

... DISCLOSURES, SUPPLEMENTARY INFORMATION, AND OTHER INFORMATION 1 CONCEPTS FOR RECONCILING BUDGETARY AND FINANCIAL ACCOUNTING 4 PART I: ACCOUNTING FOR REVENUE AND OTHER FINANCING SOURCES INTRODUCTION ... indicates providing information that is regarded as "required supplementary information" as that term is used in accounting and auditing standards The limited auditing procedures for this information ... ACCOUNTING STANDARDS FOR REVENUE AND OTHER FINANCING SOURCES SCOPE This Statement presents standards to account for inflows of resources from revenue and other financing sources It provides standards...

Ngày tải lên: 23/03/2014, 03:20

... Defining Systems Engineering and Program Management Systems engineering (SE) and program management (PM) are important components in the development and production of complex military weapons systems ... the systems engineering process, and describes the tools used for managing programs and the various SE/PM tasks Systems Engineering Definition SE first came into being as a separate engineering ... This Report 11 CHAPTER TWO Defining Systems Engineering and Program Management 13 Systems Engineering Definition 13 The Systems Engineering Process 16 Process Input ...

Ngày tải lên: 29/03/2014, 18:20

... packages for housing, feeding and breeding Compare the performance of crossbred and village goats under minimal care Αvillage≅ systems and improved management systems Encourage adoption of management ... skin damage and better flaying and curing care Marketing I have already covered aspects of the need for market development and the teaching of marketing skills and look forward to hearing much more ... reproduction management ♦ Kidding and pre-weaning management ♦ Post-weaning management of does and kids General conclusions Goat management involves exercising control over reproduction, health and nutrition...

Ngày tải lên: 31/03/2014, 22:20

... installing and maintaining the network cabling in use at the site, installing boards and memory into systems; setting up and installing SCSI devices; installing/configuring peripherals (for example, disks, ... security • Backup and restoration of the system • Automating routine tasks • Printing and spooling system • Terminals and modem handling • Accounting • System performance tuning • System customization ... operating system, including paging and swapping, inter-process communication, devices and what device drivers do, filesystem concepts (inode, superblock), and use of performance analysis to tune systems...

Ngày tải lên: 07/04/2014, 15:43

Ngày tải lên: 13/05/2014, 09:34

... FORCE FORCE Animal Drawing Animal Locomotion and Design Concepts for Animators Michael D Mattesi Visit me at Drawingforce.com Forceddesign.blogspot.com AMSTERDAM ... contrast Look for idiosyncrasies Watch out for symmetry, parallel moments, and monotonous line This rule works for character design, landscape painting, film editing, writing, and all works artistic ... dramatic rhythm because the angles with which the applied forces approach the directional force are much stronger, forty-five degree angles Forty-five degrees is the strongest angle on the page It is...

Ngày tải lên: 31/05/2014, 00:37

... Fair, efficient, and power-optimized spectrum sharing scheme for cognitive radio networks Saleem Aslam and Kyung Geun Lee* Department of Information and Communication Engineering, Sejong University, ... sensed information, synchronization information, and power level Based on this exchanged information, the spectrum server forms an optimal schedule for sharing the spectrum holes among competing CR ... detection and the optimal sharing of spectrum holes among CR users Sharing schemes provides a way for spectrum allocation and multiplexing at the data packet level Moreover, congestion and admission...

Ngày tải lên: 18/06/2014, 22:20

... Figures and 5, for the indoor and outdoor Channel A test environments, respectively The average probability of error is estimated, for the Eb/N0 parameter ranging from to 14 dB or 12 dB, and for ... sequences’ behaviors by evaluating each bound equation for different values of the span n, ranging from to 10 Figure shows the resulting performance, together with Auto- and cross-correlation properties ... sequences, i.e., OVSF sequences of length 64, Gold codes of length 63, and De Bruijn sequences of length 64 belonging to the subset F8 in Table made of sequences showing a maximum value of the cross-correlation...

Ngày tải lên: 21/06/2014, 03:20

... estimated by receiving every upcoming M sample However, Owing to timing jitter and possible hostile communication scenarios, it is necessary to track the timing and frequencies of upcoming data samples ... adapted for tracking The tracking performance is also demonstrated by utilizing the estimated parameters of K and ω1 in the previous data block and the computational task of estimating ω1 is ... transition time is a random variable for a sampling data block The transition time K is set randomly between and M with a uniform distribution As indicated in Figure 6, the performance of the proposed...

Ngày tải lên: 21/06/2014, 08:20

... Journal on Advances in Signal Processing CFO and the Doppler for transmissions using MPSK (M-ary Phase Shift Keying) modulations Performance of the NLLS estimator for low SNR was studied in [12] Although ... D’Andrea, U Mengali, and R Reggiannini, “Carrier phase recovery for narrow-band polyphase shift keyed signals,” Alta Frequenza, vol 57, no 10, pp 575–581, 1988 [26] M Moeneclaey and G de Jonghe, ... studying the real and imaginary parts of each of the resulting complex-valued samples, we obtain two expressions of the syndrome, one for each part Therefore, we compute the functions LR (θ) and...

Ngày tải lên: 21/06/2014, 08:20