{"id":51647,"date":"2024-04-15T23:27:49","date_gmt":"2024-04-15T23:27:49","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=51647"},"modified":"2024-04-15T23:27:49","modified_gmt":"2024-04-15T23:27:49","slug":"is-a-transmission-method-used-in-mimo-wireless-communications-to-transmit-encoded-data-signals-independently","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/is-a-transmission-method-used-in-mimo-wireless-communications-to-transmit-encoded-data-signals-independently\/","title":{"rendered":". . . . . . . . is a transmission method used in MIMO wireless communications to transmit encoded data signals independently."},"content":{"rendered":"<p>\r\n    <!-- Check if it's an AMP page -->\r\n            <!-- Non-AMP version -->\r\n        <div class=\"mcq-container\" data-quiz-id=\"quizState_6a977c82d1bb1\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"true\">\r\n                    MU-MIMO                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    STTD                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    SM                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    Collaborative Uplink MIMO                <\/div>\r\n                            \r\n            <!-- Feedback messages for non-AMP -->\r\n            <div class=\"feedback\" data-feedback=\"wrong\">Answer is Right!<\/div>\r\n            <div class=\"feedback\" data-feedback=\"right\">Answer is Wrong!<\/div>\r\n        <\/div>\r\n\r\n        <script>\r\n        document.addEventListener('DOMContentLoaded', function () {\r\n            var containers = document.querySelectorAll('.mcq-container');\r\n\r\n            containers.forEach(function(container) {\r\n                var options = container.querySelectorAll('.option');\r\n                var feedbackSelect = container.querySelector('[data-feedback=\"select\"]');\r\n                var feedbackWrong = container.querySelector('[data-feedback=\"wrong\"]');\r\n                var feedbackRight = container.querySelector('[data-feedback=\"right\"]');\r\n\r\n                options.forEach(function(option) {\r\n                    option.addEventListener('click', function() {\r\n                        var selectedOption = option.getAttribute('data-option-key');\r\n                        var isCorrect = option.getAttribute('data-is-correct') === 'true';\r\n\r\n                        \/\/ Remove previous selections\r\n                        options.forEach(function(opt) {\r\n                            opt.classList.remove('correct', 'incorrect');\r\n                        });\r\n\r\n                        \/\/ Add the correct\/incorrect class\r\n                        if (isCorrect) {\r\n                            option.classList.add('correct');\r\n                            feedbackRight.hidden = false;\r\n                            feedbackWrong.hidden = true;\r\n                        } else {\r\n                            option.classList.add('incorrect');\r\n                            feedbackRight.hidden = true;\r\n                            feedbackWrong.hidden = false;\r\n                        }\r\n\r\n                        \/\/ Hide select feedback\r\n                        feedbackSelect.hidden = true;\r\n                    });\r\n                });\r\n            });\r\n        });\r\n        <\/script>\r\n    \r\n    <!--more--><\/p>\n<p>The correct answer is: A. MU-MIMO<\/p>\n<p>MU-MIMO stands for Multi-User Multiple Input Multiple Output. It is a transmission method used in MIMO wireless communications to transmit encoded data signals independently from multiple users to a single receiver. This allows for a higher data rate and throughput than traditional single-user MIMO.<\/p>\n<p>STTD stands for Space-Time Transmit Diversity. It is a transmission method used in MIMO wireless communications to improve the signal-to-noise ratio (SNR) by transmitting the same data signal from multiple antennas at different times. This creates multiple copies of the signal that can be combined at the receiver to improve the overall SNR.<\/p>\n<p>SM stands for Spatial Multiplexing. It is a transmission method used in MIMO wireless communications to transmit multiple data signals simultaneously from a single antenna. This allows for a higher data rate than traditional single-user MIMO.<\/p>\n<p>Collaborative Uplink MIMO is a transmission method used in MIMO wireless communications <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div> to improve the performance of uplink transmissions. In collaborative uplink MIMO, multiple users cooperate to transmit data to a single base station. <div class=\"youtube-subscribe-container\">\r\n        <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n                    <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> This allows for a higher data rate and throughput than traditional single-user uplink MIMO.<\/p>\n<p>Here is a diagram that illustrates the difference between MU-MIMO and STTD:<\/p>\n<p>In MU-MIMO, each user has its own set of antennas. The data signals from each user are transmitted independently from the other users. In STTD, the data signal from a single user is transmitted from multiple antennas at different times.<\/p>\n<p>Here is a diagram that illustrates the difference between SM and Collaborative Uplink MIMO:<\/p>\n<p>In SM, multiple data signals are transmitted simultaneously from a single antenna. In Collaborative Uplink MIMO, multiple users cooperate to transmit data to a single base station.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Subscribe on YouTube<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[199],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>. . . . . . . . is a transmission method used in MIMO wireless communications to transmit encoded data signals independently.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/is-a-transmission-method-used-in-mimo-wireless-communications-to-transmit-encoded-data-signals-independently\/\" \/>\n<meta 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