
최신 WiFi 기술 중 IEEE 802.11ax 및 IEEE 802.11be 표준의 특징 비교
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2023.07.13
문서 내 토픽
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1. IEEE 802.11axIEEE 802.11ax는 다양한 전파 환경에서 전송효율을 향상하기 위하여 다중 사용자 미모(MU-MIMO) 기술과 직교 주파수 분할 다중 접속(OFDMA) 방식을 사용한 미국 전기전자학회(IEEE)의 무선랜(WLAN) 표준입니다. 이 표준은 2.4 GHz ISM 대역과 5 GHz U-NII 대역을 포함하여 1~7 GHz 대역에서 동작이 가능하며, 접근점(AP) 밀집 환경에서 전송효율을 802.11ac보다 4배 이상 높여 전송 용량을 증대시킵니다. 또한 실외 환경에서도 사용할 수 있고 IoT 용도로도 사용할 수 있습니다.
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2. IEEE 802.11beIEEE 802.11be는 와이파이 7에서 최대 30Gbps의 속도를 구현하는 것을 목표로 하고 있습니다. 이는 5세대 이동통신에서 구현하고자 하는 목표와 동일합니다. 주요 특징으로는 320MHz 대역폭과 연속되지 않는 스펙트럼의 보다 효율적인 활용, 다중 대역/다중 채널 집계 및 작동, 16개의 공간 스트림 및 다중 입력 다중출력(MIMO) 프로토콜 향상, 다중 액세스 포인트(AP) 조정, 향상된 링크 적응 및 재전송 프로토콜, 6GHz 스펙트럼에 특화된 규제 규칙 적응, 시간 민감 네트워킹(TSN) 기능 통합 등이 있습니다.
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3. Wi-Fi 6 (802.11ax)Wi-Fi 6는 다중 접속 환경에서의 효율성을 극대화하기 위해 MU-MIMO와 OFDMA 기술을 접목한 표준입니다. 이를 통해 여러 대의 단말기가 접속해도 최상의 속도를 보장할 수 있습니다. 또한 핸드오버 기술과 OFDMA 기술을 지원하여 안정적인 통신이 가능합니다. Wi-Fi 6의 최대 속도는 이전 세대인 Wi-Fi 5보다 4배 이상 빠른 9.6Gbps입니다.
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4. Wi-Fi 7 (802.11be)Wi-Fi 7은 IEEE 802.11be 표준을 기반으로 하며, 최대 30Gbps의 속도를 구현하는 것을 목표로 합니다. 이는 5G 이동통신 기술과 유사한 수준의 성능을 목표로 합니다. 주요 특징으로는 320MHz 대역폭 활용, 다중 대역/다중 채널 집계, 16개 공간 스트림 MIMO, 다중 AP 협력 통신, 향상된 링크 적응 및 재전송 기술 등이 있습니다. Wi-Fi 7은 5G 시대의 초고화질 콘텐츠 전송과 안정적인 서비스 제공을 위한 핵심 기술이 될 것으로 기대됩니다.
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1. IEEE 802.11axIEEE 802.11ax, also known as Wi-Fi 6, is the latest generation of Wi-Fi technology that promises significant improvements in speed, capacity, and efficiency compared to previous Wi-Fi standards. The key features of 802.11ax include orthogonal frequency-division multiple access (OFDMA), which allows for more efficient use of the wireless spectrum, and uplink and downlink MU-MIMO, which enables simultaneous communication with multiple devices. These advancements result in higher throughput, lower latency, and better performance in dense environments, making 802.11ax well-suited for the growing demand for high-bandwidth applications and the increasing number of connected devices. The adoption of 802.11ax is expected to drive further innovation and improvements in wireless connectivity, ultimately enhancing the user experience and enabling new use cases across various industries.
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2. IEEE 802.11beIEEE 802.11be, also known as Wi-Fi 7, is the next generation of Wi-Fi technology that is currently in development. While the details of 802.11be are still being finalized, it is expected to build upon the advancements of 802.11ax (Wi-Fi 6) and introduce even more significant improvements in speed, capacity, and efficiency. Some of the key features of 802.11be include enhanced OFDMA, higher-order modulation schemes, and further advancements in multi-user MIMO. These improvements are aimed at addressing the growing demand for high-bandwidth applications, such as virtual reality, augmented reality, and high-resolution video streaming, as well as the increasing number of connected devices in various environments, including homes, offices, and industrial settings. The development of 802.11be is a testament to the ongoing efforts of the Wi-Fi Alliance and the broader industry to continuously improve wireless connectivity and meet the evolving needs of users and applications.
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3. Wi-Fi 6 (802.11ax)Wi-Fi 6, also known as 802.11ax, is the latest generation of Wi-Fi technology that offers significant improvements over previous Wi-Fi standards. The key features of Wi-Fi 6 include OFDMA, which allows for more efficient use of the wireless spectrum, and uplink and downlink MU-MIMO, which enables simultaneous communication with multiple devices. These advancements result in higher throughput, lower latency, and better performance in dense environments, making Wi-Fi 6 well-suited for the growing demand for high-bandwidth applications and the increasing number of connected devices. The adoption of Wi-Fi 6 is expected to drive further innovation and improvements in wireless connectivity, ultimately enhancing the user experience and enabling new use cases across various industries. As more devices and infrastructure support Wi-Fi 6, it will become an increasingly important technology for delivering reliable and high-performance wireless connectivity in a wide range of applications.
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4. Wi-Fi 7 (802.11be)Wi-Fi 7, also known as 802.11be, is the next generation of Wi-Fi technology that is currently in development. While the details of Wi-Fi 7 are still being finalized, it is expected to build upon the advancements of Wi-Fi 6 (802.11ax) and introduce even more significant improvements in speed, capacity, and efficiency. Some of the key features of Wi-Fi 7 include enhanced OFDMA, higher-order modulation schemes, and further advancements in multi-user MIMO. These improvements are aimed at addressing the growing demand for high-bandwidth applications, such as virtual reality, augmented reality, and high-resolution video streaming, as well as the increasing number of connected devices in various environments, including homes, offices, and industrial settings. The development of Wi-Fi 7 is a testament to the ongoing efforts of the Wi-Fi Alliance and the broader industry to continuously improve wireless connectivity and meet the evolving needs of users and applications. As Wi-Fi 7 matures and is adopted, it will likely become an essential technology for delivering the high-performance, low-latency wireless connectivity required by the next generation of connected devices and applications.