A Novel Non-DC Biased Intensity Modulated Indoor MIMO-VLC System Using Walsh Precoder

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Method for equalization</td><td class="align_center">Number of multiplications required</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">ZF</td><td class="align_center"><span style="width: 101.621ptpx;"><svg height="18.3157pt" id="M145" style="vertical-align:-5.8304pt" version="1.1" viewbox="-0.0498162 -12.4853 101.621 18.3157" width="101.621pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M412 140C382 77 369 73 315 73H129L270 222C362 320 402 379 402 466C402 571 322 635 234 635C177 635 130 609 99 576L42 495L64 475C90 514 133 568 201 568C274 568 318 519 318 435C318 349 255 267 193 193C144 135 87 78 32 23V0H405C417 45 427 89 440 131L412 140Z"></path></g><g transform="matrix(.013,0,0,-0.013,6.24,0)"><path 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-147L64 -170C213 -68 275 89 275 270Z"></path></g></svg></td></tr><tr><td class="align_left">Near ML</td><td class="align_center"><svg height="13.8595pt" id="M148" style="vertical-align:-2.2681pt" version="1.1" viewbox="-0.0498162 -11.5914 76.8315 13.8595" width="76.8315pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M962 650H795L470 145L347 650H176L170 622C268 613 275 606 244 503L190 322C150 188 132 126 118 91C102 50 80 33 18 28L12 0H245L251 28C175 35 170 48 174 93C177 128 191 180 220 284L292 542H294C331 392 383 150 409 4H432L774 555H776L714 137C700 40 694 34 612 28L606 0H868L874 28C793 34 784 37 797 137L849 533C859 612 863 616 956 622L962 650Z"></path></g><g transform="matrix(.013,0,0,-0.013,12.807,0)"><path d="M300 -147C201 -63 143 98 143 270S200 602 300 686L282 710C136 610 70 450 70 271V270C70 89 136 -72 282 -170L300 -147Z"></path></g><g transform="matrix(.013,0,0,-0.013,17.305,0)"><path d="M412 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Wireless Communications and Mobile Computing

tab1

Table 1

Table 1: A Novel Non-DC Biased Intensity Modulated Indoor MIMO-VLC System Using Walsh Precoder 