Transmit and receive techniques for MIMO OFDM systems
Transmit and receive techniques for MIMO OFDM systems
... for a MIMO- OFDM system in wideband frequency selective MIMO channels, and more specifically the appropriate spacetime precoding schemes and transmitter and receiver designs for a MIMO- OFDM system ... near-optimal capacity and diversity performance in MIMO- OFDM channels, optimal and efficient detection and decoding of transmitted sequence at the receiver, and optimal training signal design and low-complexity ... concerned in general with the transmit and receive techniques for multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) systems in wideband frequency selective fading...
- 212
- 383
- 0
A Study of Channel Estimation for OFDM Systems and System Capacity for MIMO-OFDM Systems
... that is system capacity In Chapter 5, the MIMO -OFDM system capacity with imperfect feedback channel is investigated In Chapter 6, the capacity variances for OFDM systems over Rayleigh and Ricean ... 6) Chapter 2: OFDM systems and MIMO systems Since the thesis studies the channel estimation for OFDM systems and system capacity for MIMO -OFDM systems, this chapter briefly introduces the background ... for OFDM systems 21 2.2.2 Peak-to-Average (PAR) of OFDM systems 30 2.2.3 Channel estimation for OFDM systems 33 2.2.4 Synchronization of OFDM systems 38 2.2.5 Advantages...
- 205
- 638
- 2
Robust synchronization and channel estimation for MIMO OFDM systems
... re-modulation is robust to the channel order over -estimation, and the channel estimation identifiability is guaranteed for random channel realization Moreover, the method is applicable for MIMO OFDM systems ... BERs for SISO OFDM under different p 94 ¯ 5.4 Performance NMSEs for MIMO OFDM versus SNR 5.5 Performance NMSEs for MIMO OFDM versus number of snapshots 96 5.6 BERs for MIMO OFDM ... Channel Estimation for MIMO OFDM Systems 72 5.1 Introduction 72 5.2 System Model 74 5.3 Blind Channel Estimation for SISO OFDM Systems...
- 141
- 217
- 0
Báo cáo hóa học: " Research Article Turbo Processing for Joint Channel Estimation, Synchronization, and Decoding in Coded MIMO-OFDM Systems" pdf
... 21, 24] In this paper, we propose a joint synchronization, channel estimation, and decoding turbo processing scheme for coded MIMO-OFDM systems in the presence of quasistatic multipath channels, ... These interrelations are further explored to develop the turbo joint channel estimation, synchronization, and decoding scheme in Section 4, and the vector RLS-based joint CIR, CFO, and SFO tracking ... mapper P(d; I) Figure 3: Turbo processing for joint channel estimation, synchronization, and decoding is in general not significant However, due to its randomness, using a random matrix may give...
- 12
- 325
- 1
Iterative receiver design for MIMO OFDM systems via sequential monte carlo (SMC) techniques
... …………………………………………………… 47 3.6 Sequential Monte Carlo Methods …………………………… 51 2.3.2 2.3.3 Iterative Receiver Design for MIMO- OFDM Systems via Sequential Monte Carlo (SMC) techniques ………………………… 53 ... ITERATIVE RECEIVER DESIGN FOR MIMO- OFDM SYSTEMS VIA SEQUENTIAL MONTE CARLO (SMC) TECHNIQUES BAY LAY KHIM (B.Eng.(Hons.), NUS) A THESIS SUBMITTED FOR THE DEGREE OF MASTER ... 84 Iterative Receiver Design for MIMO- OFDM Systems via SMC Techniques with Pilot Aided Channel Estimation (PACE) ………… 86 5.1 Background …………………………………………………… 86 5.2 System Model of Coded MIMO- OFDM...
- 132
- 271
- 0
Báo cáo hóa học: " Research Article Automatic IP Generation of FFT/IFFT Processors with Word-Length Optimization for MIMO-OFDM Systems" doc
... FFT processors and aim to offer an FFT IP generator that has the capability of automatic wordlength optimization to achieve hardware efficiency The IP generator can generate the hardware description ... used in advanced systems With our proposed architecture, the advantage is twofold On one hand, the same control flow as the one needed for generation of multiple-channel FFT processors can be shared ... number of ip- flops is related with the pipeline registers and short delay buffers, while the number of slices reflects the logic complexity including distributed RAMs for long delay buffers and ROMs for...
- 15
- 571
- 0
Decoupled maximum likelihood carrier frequency offset estimator for MIMO OFDM systems
... is reduced when carrier frequency offset exsists Hence the performance of the OFDM systems is degraded In order to improve the performance of OFDM systems, the carrier frequency offset must be ... receiver (MIMO) technology in combination with OFDM, i.e., MIMO- OFDM, therefore becomes an attractive solution for future broadband wireless systems Similar to SISO -OFDM systems, MIMO- OFDM systems ... introduced and compared Performance of the proposed DEML (Decoupled Maximum Likelihood) blind carrier offset estimator for SISO -OFDM and MIMO- OFDM systems is analyzed in Chapter and Chapter 5, respectively...
- 75
- 147
- 0
Báo cáo hóa học: " Precoding and Transmitter-Side processing techniques for multiuser MIMO OFDM systems with special emphasis on the PAPR problem" pdf
... Wunder et al.: Precoding and Transmitter-Side processing techniques for multiuser MIMO OFDM systems with special emphasis on the PAPR problem EURASIP Journal on Advances in Signal Processing 2011 ... combined with basis selection algorithm for PAPR reduction Similarly, in the multiuser MIMO OFDM uplink with DFT pre-coding, the joint problem of maximum throughput and PAPR reduction is tackled in the ... fundamental bounds on the potential gains due to coding for the PAPR problem The analysis of an alternative metric instead of PAPR is the topic of the paper On the EVM Computation of Arbitrary...
- 2
- 349
- 0
Semi-blind signal detection for mimo and mimo-ofdm systems
... to algorithms for standard MIMO- OFDM systems and it is robust against channel length overestimation The number of words: 460 Semi-Blind Signal Detection for MIMO and MIMO- OFDM Systems by Ma Shaodan ... the problem of signal detection and proposes three semi-blind algorithms for MIMO, MIMO- OFDM with short cyclic prefix (CP), and MIMOOFDM without CP, respectively A three-step semi-blind Rake-based ... thesis entitled Semi-Blind Signal Detection for MIMO and MIMO- OFDM Systems Submitted by Ma Shaodan for the degree of Doctor of Philosophy at The University of Hong Kong in May 2006 MIMO (Multiple...
- 103
- 394
- 2
Báo cáo sinh học: " Performance evaluation of space-time-frequency spreading for MIMO OFDM-CDMA systems" ppt
... an open-loop MIMO OFDM-CDMA scheme using space-timefrequency spreading (STFS), in the presence of frequency-selective Rayleigh-fading channel The BER and BLER performance of the OFDM-CDMA system ... scheduling In addition, it offers better diversity/multiplexing trade-off The performance of MIMO OFDM–CDMA scheme using STFdomain spreading is investigated with zero-forcing (ZF) receiver It is ... section, joint space-time-frequency spreading is proposed for the downlink of an openloop multi-user system employing single-user MIMO (SU -MIMO) system based on OFDMCDMA system A MIMO OFDM channel...
- 35
- 376
- 1
Báo cáo toán học: " Performance evaluation of space-time-frequency spreading for MIMO OFDM-CDMA systems" pptx
... N c , the OFDM-CDMA 60 Proposed OFDM-CDMA 2D OFDM-CDMA Number of Users 50 40 30 20 10 0 10 12 14 16 SNR dB Figure 10 System throughput comparison for OFDM-CDMA system with 4Tx, 4Rx of the proposed ... scheduling In addition, it offers better diversity/multiplexing trade-off The performance of MIMO OFDM-CDMA scheme using STF-domain spreading is investigated with zero-forcing (ZF) receiver It ... doi:10.1186/1687-6180-2011-139 Cite this article as: Dahman and Shayan: Performance evaluation of space-time-frequency spreading for MIMO OFDM-CDMA systems EURASIP Journal on Advances in Signal Processing...
- 13
- 411
- 0
Báo cáo hóa học: " Particle swarm optimization for pilot tones design in MIMO-OFDM systems" pot
... subcarrier is increased Because increasing number of subcarrier also increase the number of pilot tones in MIMO-OFDM systems Conclusion In this article, we have proposed particle swarm optimization ... Cite this article as: Seyman and Taşpinar: Particle swarm optimization for pilot tones design in MIMO-OFDM systems EURASIP Journal on Advances in Signal Processing 2011 2011:10 Submit your manuscript ... of particle swarm optimization that has been used for the optimization of location and (or) power of pilot tones are given as follows: swarm size = 20 for 128 subcarriers and swarm size = 10 for...
- 11
- 316
- 0
Báo cáo hóa học: " Research Article Bit Error Rate Approximation of MIMO-OFDM Systems with Carrier Frequency Offset and Channel Estimation Errors" ppt
... SISO-OFDM The BER is degraded due to the frequency offset and channel estimation errors For a fixed channel estimation variance error σΔH , a larger variance of frequency offset estimation error, ... 1025– 1030, 2009 [32] Z Zhang, W Zhang, and C Tellambura, “BER of MIMOOFDM systems with carrier frequency offset and channel estimation errors,” in Proceedings of IEEE International Conference on ... function of the second-order statistics of the channel and frequency offset estimation errors (although the interference also comprises the fourth-order statistics of the frequency offset estimation errors,...
- 14
- 384
- 0
Báo cáo hóa học: "Research Article A Practical, Hardware Friendly MMSE Detector for MIMO-OFDM-Based Systems" pptx
... on an FPGA has a single-clock latency Based on the complexity assessment in this section and the fact that we target an FPGA implementation where a number of dedicated multipliers are available, ... enhances numerical stability; and (d) an aggressive time-shared VLSI architecture The above techniques are quite general and are readily applicable to any MMSE- based MIMO detector implementation CONCLUSION ... [3] A J Paulraj and C B Papadias, “Space-time processing for wireless communications,” IEEE Signal Processing Magazine, vol 14, no 6, pp 49–83, 1997 [4] A J Paulraj, D A Gore, R U Nabar, and...
- 14
- 267
- 0
Từ khóa: static and dynamic reverse engineering techniques for java software systemsfragmentation replication and allocation techniques for distributed database designmodern characterization and analysis techniques for crude oiltransmitter and receiver design for amplified lightwave systemsnil and related techniques for electronics applicationsbiological and biochemical techniques for the detection and analysis of signaling moleculesformulation and preparation techniques for emulsionssurface topography and measuring techniques for dental implant applications possibilities and obstaclessubcarrier bit and power allocation in multiuser ofdm systemsneurosurgical and imaging techniques for translational stroke researchapos riding an elephant to catch a grasshopper apos applying and evaluating techniques for stakeholder participation in land use planning within the kae watershed northern thailandguidelines caveats and techniques for the evaluation of water quality early warning systemsalamouti apos s transmit diversityscheme for ofdm systemsscheduling techniques access schemes and mobile internet protocols for wireless communication systemsdigital image processing techniques for the detection and removal of cracks in digitized paintings pdfNghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngMột số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTPBiện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANPhát triển mạng lưới kinh doanh nước sạch tại công ty TNHH một thành viên kinh doanh nước sạch quảng ninhNghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chếNghiên cứu tổng hợp các oxit hỗn hợp kích thƣớc nanomet ce 0 75 zr0 25o2 , ce 0 5 zr0 5o2 và khảo sát hoạt tính quang xúc tác của chúngTìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíTăng trưởng tín dụng hộ sản xuất nông nghiệp tại Ngân hàng Nông nghiệp và Phát triển nông thôn Việt Nam chi nhánh tỉnh Bắc Giang (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtNguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtĐổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt namTÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲQUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ