multiple input multiple output

Simulation of a Multiple Input Multiple Output (MIMO) wireless system

Simulation of a Multiple Input Multiple Output (MIMO) wireless system

... below, shows a smart antenna system with multiple antennas at one end of the link These systems are also known as SIMO (single -input multiple output) Originally multiple antennas were placed at the ... used for multiple input multiple output systems the program needed to be modified The modifications needed were as follows: • perform calculations for up to Nth order reflections, • use multiple ... wireless system – John Fitzpatrick Abstract This project explores the development of a multiple input multiple output (MIMO) simulator using ray tracing techniques This project gives an overview...

Ngày tải lên: 20/11/2012, 11:36

73 459 1
Tài liệu Multiple-Input-Multiple- Output (MIMO) Systems doc

Tài liệu Multiple-Input-Multiple- Output (MIMO) Systems doc

... smart modulation, coding and multiplexing techniques have yielded good results but far from the 1Gbps barrier MIMO Antenna Configuration  Use multiple transmit and multiple receive antennas for ... Minimize Bandwidth (frequency spectrum) Used Real-life Issues Antenna Configurations  Single -Input- Single -Output (SISO) antenna system User data stream channel User data stream   Theoretically, ... we are concerned about: ≤ rs ≤ MT ** If rs = MT, we are in spatial multiplexing mode (max transmission rate) V-BLAST – Spatial Multiplexing (Vertical Bell Labs Layered Space-Time Architecture)...

Ngày tải lên: 27/01/2014, 15:20

34 467 0
Multiple input multiple output radar three dimensional imaging technique

Multiple input multiple output radar three dimensional imaging technique

... 1.5 Principle of Multiple Input Multiple Output Radar MIMO radar transmits multiple independent signals from multiple transmit antennas and receives the return signals using multiple receive ... still high By exploring multiple snapshots signals and coherent processing, the sidelobes can be mitigated [12] Multiple Input Multiple Output (MIMO) radar transmits multiple coded signals and ... 10 1.4 Sparse Array Based Three Dimensional Imaging Technique 13 1.5 Principle of Multiple Input Multiple Output Radar 15 1.6 Sparse Signal Recovery Algorithm 19 1.7 Objectives...

Ngày tải lên: 09/09/2015, 11:23

207 137 0
Random beamforming for multi cell multiple input multi output (MIMO) systems

Random beamforming for multi cell multiple input multi output (MIMO) systems

... Distributed INR Interference-to-Noise Ratio MF Matched Filter MIMO Multiple Input Multiple Output MISO Multiple Input Single Output MMSE Minimum-Mean-Square Error xvii H D NGUYEN LIST OF ACRONYMS ... single -input singleoutput (SISO) and multiple- input multiple- output (MIMO) systems to multi-user (MU) MIMO counterparts, which are shown greatly improving the rate performance by transmitting to multiple ... is not yet fully characterized even in a single-cell setup We thus study a multicell multiple- input multiple- output (MIMO) broadcast system with RBF applied at each base station and either the...

Ngày tải lên: 10/09/2015, 09:27

202 652 0
Reduced complexity signal processing techniques for multiple input multiple output storage and wireless communication systems

Reduced complexity signal processing techniques for multiple input multiple output storage and wireless communication systems

... techniques for multipleinput multiple- output systems As received signals of multiple- input multiple- output systems may contain much more severe interferences compared to single -input singleoutput systems, ... part are developed for multiple- input multiple- output orthogonal frequency division multiplexing (MIMO-OFDM) systems, they are applicable to other multiple- input multiple- output wireless communication ... data reception in systems with multiple- input multiple- output technology Fig 1.1 shows the main functional blocks that constitute a system with multiple- input multiple- output technology The figure...

Ngày tải lên: 14/09/2015, 14:12

238 373 0
Functions with multiple outputs

Functions with multiple outputs

... meaning and number of characters printed • Formatted input: scanf() - similar form, takes pointers to arguments (except strings), ignores whitespace in input Review: Strings and character arrays • Strings ... and Memory Addresses Physical and Virtual Memory Addressing and Indirection Functions with Multiple Outputs Arrays and Pointer Arithmetic Strings String Utility Functions Searching and Sorting ... other difficult-to-identify errors • What happens if we dereference ppi now? 11 Functions with multiple outputs • Consider the Extended Euclidean algorithm ext_euclid(a,b) function from Wednesday’s...

Ngày tải lên: 25/04/2013, 08:07

41 184 0
Input and output

Input and output

... >outfile will write the standard output to outfile instead If pipes are supported, prog | anotherprog puts the standard output of prog into the standard input of anotherprog Output produced by printf ... way to the standard output Calls to putchar and printf may be interleaved - output happens in the order in which the calls are made Each source file that refers to an input/ output library function ... in the directory /usr/include) Many programs read only one input stream and write only one output stream; for such programs, input and output with getchar, putchar, and printf may be entirely adequate,...

Ngày tải lên: 30/09/2013, 06:20

14 553 0
Input and output of dissolved organic and inorganic nitrogen in subtropical forests of South China under high air pollution docx

Input and output of dissolved organic and inorganic nitrogen in subtropical forests of South China under high air pollution docx

... measurements but including also analysis of dissolved organic N (DON) input in bulk and wet-only precipitation 4138 BGD 4, 4135–4171, 2007 Input- output of N in subtropical forests under air pollution Y Fang ... Monthly DON inputs correlated positively with the concentrations (r =0.85, P =0.003, n=7) but were independent of monthly precipitation amount 15 20 25 4, 4135–4171, 2007 Input- output of N in ... precipitation TDN input in 2005 was retained in the upper 20 cm soil, while no retention, but a net loss was found in the old-growth forest (Table 3) These retention estimates based on input- output budgets...

Ngày tải lên: 23/03/2014, 00:20

37 533 0
Input và Output với chương trình mobile pot

Input và Output với chương trình mobile pot

... communication & registration (social), data input (productivity), and any task requiring information entry These activities are taking off in a big way on mobile So getting input on mobile devices matters...

Ngày tải lên: 23/03/2014, 14:20

39 511 1
Bài 4 - Input và Output với stream pot

Bài 4 - Input và Output với stream pot

... cin : i tư ng c a l p istream ki m soát input chu n cout: i tư ng c a l p ostream ki m soát output chu n cerr: i tư ng c a l p ostream ki m soát hi n th (output) l i không lưu l i clog: i tư ng ... xu t nh p • G i m t manipulator m t manipulator cout

Ngày tải lên: 02/04/2014, 06:20

6 375 0
Báo cáo hóa học: " Adaptive Iterative Soft-Input Soft-Output Parallel Decision-Feedback Detectors for Asynchronous Coded " pdf

Báo cáo hóa học: " Adaptive Iterative Soft-Input Soft-Output Parallel Decision-Feedback Detectors for Asynchronous Coded " pdf

... each user The output of the adaptive SISO PDFD is yk (m) = mHk (m) · r(m) + mH (m) · bD (m) f bk Applying the Gaussian assumption to the output in (23), we can calculate the soft outputs of the ... distributed in [0, T] and are multiples of Tc , which is the chip interval In the receiver, first we employ a chip-matched filter on the received signal r(t) and then sample its output at frequency 1/Tc ... oversample the output of the chip-matched filter and design a fractionally spaced feedforward filter instead Without loss of generality and for simplicity of notation, we assume the delays of multiple...

Ngày tải lên: 23/06/2014, 00:20

8 183 0
File Input and Output pdf

File Input and Output pdf

... Implementing the File Input and Output Operations All programs accept input from a user, process the input, and produce an output Therefore, all the programming languages support the input and output operations ... datain.Close(); } 9.12 File Input and Output NIIT The following window shows the output of preceding code snippet Output of the Binary Reading Application NIIT File Input and Output 9.13 Implementing ... means to read from and write to any location within a file NIIT File Input and Output 9.3 FileStream Class Most file Input/ Output (I/O) support in the NET Framework is implemented in the You can...

Ngày tải lên: 01/08/2014, 09:21

22 390 0
Channel estimation and detection for multi input multi  output (MIMO) systems

Channel estimation and detection for multi input multi output (MIMO) systems

... corrupted by additive noise The input- output relationship describing such systems can be put in the form as follows: ˜ +w y = Hs (3.14) where s, y, w denote the system input, output and noise signals, ... where performance is limited by fading and noise Most of the current studies on multiple- input multiple- output (MIMO) systems assume that the noise at receiving antennas are independent (white ... services, multiple transmitting and multiple receiving antennas have been proposed for modern wireless systems, where performance is limited by fading and noise Most of the current studies on multiple- input...

Ngày tải lên: 03/10/2015, 11:37

93 268 0
Báo cáo y học: " Multiple myeloma presenting with high-output heart failure and improving with anti-angiogenesis therapy: two case reports and a review of the literature" pdf

Báo cáo y học: " Multiple myeloma presenting with high-output heart failure and improving with anti-angiogenesis therapy: two case reports and a review of the literature" pdf

... causes of high -output failure such as profound anemia, thiamine deficiency, thyrotoxicosis and cirrhosis, the treatment is to correct the underlying cause of the highoutput state With multiple myeloma, ... of which are acceptable therapies for multiple myeloma, have these pharmacological properties We describe two cases of multiple myeloma associated with high -output failure that rapidly responded ... other etiologies of high -output failure such as Paget's disease remains to be studied Conclusion High -output heart failure is likely under-diagnosed in patients with multiple myeloma The pathophysiology...

Ngày tải lên: 11/08/2014, 21:22

6 326 0
Multiple Document Interfaces

Multiple Document Interfaces

... dụng Windows rơi vào loại sau:    2/28/10 Single Document Interfaces (SDI) Explorer Interfaces Multiple Document Interfaces (MDI) Single Document Interface • • Mỗi tài liệu thể cửa sổ đơn Trong ... TreeView chọn hiển thị ListView control 2/28/10 Cửa sổ Explorer Interface 2/28/10 Khái niệm MDI • • Multiple Document Interface (MDI) đặc tả quản lý tài liệu Microsoft Windows Mô tả cấu trúc cửa sổ ... minimize/maximize/close 2/28/10 • • • • • Vùng client thường gọi “workspace” không sử dụng trực tiếp để hiển thị output chương trình Workspace không chứa hay chứa nhiều cửa sổ con, cửa sổ hiển thị tài liệu Các...

Ngày tải lên: 12/09/2012, 15:05

29 1,4K 4
Báo cáo y học: " Non-syndromic multiple supernumerary teeth in a family unit with a normal karyotype: case report"

Báo cáo y học: " Non-syndromic multiple supernumerary teeth in a family unit with a normal karyotype: case report"

... Batra, et al described a case of nonsyndromic multiple supernumerary teeth, which suggests that there was an autosomal dominant pattern of inheritance 25 Multiple supernumerary teeth are often associated ... they are often impacted (88,7%) and are often present in the palatine area8,9 The prevalence of multiple supernumerary teeth ranges from to 27% of cases 7,10 Hyperdontia is often occasional, but ... often associated with conditions such as cleidocranial dysplasia and Gardner’s syndrome 23 However, multiple supernumerary teeth in non-syndromic patients is a rare condition 25 After a careful examination...

Ngày tải lên: 25/10/2012, 11:40

7 598 0
Báo cáo y học: " Autonomic Dysfunction Presenting as Postural Orthostatic Tachycardia Syndrome in Patients with Multiple Sclerosis"

Báo cáo y học: " Autonomic Dysfunction Presenting as Postural Orthostatic Tachycardia Syndrome in Patients with Multiple Sclerosis"

... detection of cardiovascular dysautonomia in multiple sclerosis Acta Neurol Scand 1996;93:241–245 Linden D, Diehl RR, Berlit P Subclinical autonomic dis-turbances in multiple sclerosis J Neurol 1995;242:374– ... dysfunction in multiple scle-rosis is likely related to brainstem lesions J Neurol Sci 1993;120: 82–86 Acevedo AR,Nava C, Arriada N, Violante A, Corona T Cardiovascular dysfunction in multiple sclerosis ... Corona T Cardiovascular dysfunction in multiple sclerosis Acta Neurol Scand 2000;101:85–88 Linden D, Diehl RR, Berlit P Subclinical autonomic dis-turbances in multiple sclerosis J Neurol 1995;242:374–...

Ngày tải lên: 26/10/2012, 09:39

6 478 0
Linear Minimum Mean-Square-Error Transceiver Design for Amplify-and-Forward Multiple Antenna Relaying Systems

Linear Minimum Mean-Square-Error Transceiver Design for Amplify-and-Forward Multiple Antenna Relaying Systems

... 1.1.2 Multiple- Input Multiple- Output Systems It is well-known that in fully scattered environment, multi-antenna systems provide substantial spatial diversity and multiplexing gains [15–17] With multiple ... transmitter and receiver, multiple data streams can be simultaneously transmitted without any increase in frequency or time resources as shown in Fig 1.2 Multiple- input multiple- output (MIMO) system ... 1.3 1.4 Background 1.1.1 Cooperative Communication 1.1.2 Multiple- Input Multiple- Output Systems 1.1.3 AF MIMO Relay Systems Research Motivation and Problems...

Ngày tải lên: 20/11/2012, 11:31

130 407 0
Multiple Access Protocols for Mobile Communications - GPRS, UMTS and Beyond

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

... Multidimensional FRMA Mobile Equipment Media Gateway Control Function Media GateWay Multiple- Input Multiple- Output Mobility Management (GSM and UMTS) Mobile Originated Master Packet Data CHannel ... Time-Division Code-Division Multiple Access Hybrid Time-Division Synchronous Code-Division Multiple Access Time-Division Duplexing Time-Division Multiplexing Time-Division Multiple Access Transport ... We associate ‘basic multiple access schemes’ with the physical layer, and multiple access protocols’ with the MAC (sub-)layer Unlike the few books dealing exclusively with multiple access protocols,...

Ngày tải lên: 02/03/2013, 16:59

478 664 0
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