02. Multiplexing Multiple Access
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학습 노트
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Study Note
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03: 네트워크 (Network)
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02. Multiplexing Multiple Access
71. 다중화 (Multiplexing) 개념 및 특징
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2024-05-20
72. 공간 분할 다중화 (SDM, Space Division Multiplexing)
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2024-05-20
73. 주파수 분할 다중화 (FDM, Frequency Division Multiplexing)
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2024-05-20
74. 보호 대역 (Guard Band)
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2024-05-20
75. 시분할 다중화 (TDM, Time Division Multiplexing) (타임디비전 멀티플렉싱)
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2026-03-30
76. 동기식 시분할 다중화 (Synchronous TDM) - 정적 타임슬롯 할당
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2026-03-30
77. 비동기식/통계적 시분할 다중화 (Asynchronous/Statistical TDM) - 동적 할당
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78. 비트 교차 (Bit Interleaving) / 워드 교차 (Word Interleaving)
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079. 광파장 분할 다중화 (WDM, Wavelength Division Multiplexing)
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080. 저밀도 파장 분할 다중화 (CWDM, Coarse Wavelength Division Multiplexing)
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081. 고밀도 파장 분할 다중화 (DWDM, Dense Wavelength Division Multiplexing)
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82. 코드 분할 다중화 (CDM, Code Division Multiplexing)
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83. 직교성 (Orthogonality) 원리
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84. 직교 주파수 분할 다중화 (OFDM, Orthogonal FDM)
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85. 부반송파 (Subcarrier)
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86. CP (Cyclic Prefix) / GI (Guard Interval) - ISI 방지
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87. 다중 접속 (Multiple Access) 개념 (MAC 계층 연관)
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88. FDMA (Frequency Division Multiple Access)
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89. TDMA (Time Division Multiple Access) - 슬롯 할당
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90. CDMA (Code Division Multiple Access) - 왈시 코드 (Walsh Code)
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91. 동기식 CDMA vs 비동기식 CDMA (WCDMA)
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2026-03-31
92. 근거리-원거리 문제 (Near-Far Problem) - CDMA 전력 제어
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2026-03-31
93. 셀 호흡 (Cell Breathing) 현상
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2026-03-31
94. OFDMA (Orthogonal Frequency Division Multiple Access) - LTE, 5G
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2026-03-31
95. NOMA (Non-Orthogonal Multiple Access) - 비직교 다중 접속 (5G/6G 기술)
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2026-03-31
96. 공간 분할 다중 접속 (SDMA, Space Division Multiple Access)
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2026-03-04
97. MIMO (Multiple-Input Multiple-Output) 다중 안테나 기술
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2026-03-04
98. SU-MIMO (Single User MIMO) vs MU-MIMO (Multi-User MIMO)
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99. Massive MIMO (대규모 다중 안테나)
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100. 공간 다중화 (Spatial Multiplexing)
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101. 빔포밍 (Beamforming) - 아날로그/디지털 빔포밍
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2026-03-04
102. TDD (Time Division Duplexing) - 시분할 이중화 (업/다운링크 분리)
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2026-03-04
103. FDD (Frequency Division Duplexing) - 주파수 분할 이중화
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2026-03-04
104. CSMA (Carrier Sense Multiple Access) 반송파 감지
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2026-03-04
105. 1-Persistent, Non-Persistent, p-Persistent CSMA
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2026-03-04
106. CSMA/CD (Collision Detection) - 유선 이더넷, 충돌 감지
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2026-04-01
107. 잼 신호 (Jam Signal) / 백오프 알고리즘 (Backoff Algorithm)
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2026-04-01
108. CSMA/CA (무선 LAN 충돌 회피)
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109. RTS/CTS (Request To Send / Clear To Send)
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110. 노출 노드 문제 (Exposed Node Problem)
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111. ALOHA (순수 알로하)
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112. Slotted ALOHA
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113. 예약 방식 접속 (Reservation Access)
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114. 폴링 접속 (Polling Access)
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115. 토큰 패싱 (Token Passing)
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116. PRMA (Packet Reservation Multiple Access)
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117. DAMA (Demand Assignment Multiple Access)
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118. PAMA (Pre-Assigned Multiple Access)
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119. CDMA2000 1x / EV-DO (Evolution-Data Optimized)
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2026-05-08
120. W-CDMA (Wideband CDMA) / HSPA (High Speed Packet Access)
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2026-05-08