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System Architecture Evolution (SAE) is the core network architecture of mobile communications protocol group 3GPP's LTE wireless communication standard. SAE is the evolution of the GPRS Core Network, but with a simplified architecture; an all-IP Network (AIPN); support for higher throughput and lower latency radio access networks (RANs); and support for, and mobility between, multiple heterogeneous access networks, including E-UTRA (LTE and LTE Advanced air interface), and 3GPP legacy systems (for example GERAN or UTRAN, air interfaces of GPRS and UMTS respectively), but also non-3GPP systems (for example Wi-Fi, WiMAX or CDMA2000).

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dbo:abstract System Architecture Evolution (SAE) is the core network architecture of mobile communications protocol group 3GPP's LTE wireless communication standard. SAE is the evolution of the GPRS Core Network, but with a simplified architecture; an all-IP Network (AIPN); support for higher throughput and lower latency radio access networks (RANs); and support for, and mobility between, multiple heterogeneous access networks, including E-UTRA (LTE and LTE Advanced air interface), and 3GPP legacy systems (for example GERAN or UTRAN, air interfaces of GPRS and UMTS respectively), but also non-3GPP systems (for example Wi-Fi, WiMAX or CDMA2000). (en) 시스템 아키텍처 에볼루션(System Architecture Evolution, SAE)는 3GPP EPC망 내에서 호처리 기능을 수행하는 네트워크 구성요소이다. SAE의 대표적인 기능은 다음과 같다. * NAS 관련 메시지 교환 * 페이징(paging), Tracking Area list 관리, 핸드오버와 같은 단말의 이동성 관리 * P-GW, S-GW의 선택 * MME가 바뀌는 핸드오버 시 MME의 선택 * 2G 또는 3G망으로의 핸드오버 시 SGSN의 선택 * 인증 및 인가 (Authentication & Authorization) SAE는 eNB, S-GW, HSS와 같은 네트워크 구성요소와 연동하며, Diameter, S1-AP, GTP등의 프로토콜을 사용한다. (ko) System Architecture Evolution (acrônimo SAE) é nomenclatura da rede núcleo do Padrão LTE, as chamadas redes 4G (quarta geração) para redes de comunicações móveis, especificado pelo 3GPP. SAE é a evolução das redes , com certas diferenças evolutivas: * arquitetura simplificada * conceito de redes All-IP (AIPN) * suporte a redes de acesso de altas taxas de velocidade e baixa latência * suporte a mobilidade entre redes de acesso heterogêneas, como e , redes de acesso legadas, como e , bem como redes não-3GPP, como por exemplo WiMAX e cdma2000. (pt) SAE (англ. System Architecture Evolution — Эволюция системной архитектуры) — архитектура ядра сети, разработанная консорциумом 3GPP для стандарта беспроводной связи LTE. SAE является эволюционным продолжением ядра сети GPRS, с некоторыми отличиями: * упрощенная архитектура — архитектура SAE снижает эксплуатационные и капитальные расходы. Новая, плоская модель, означает, что потребуется повысить пропускную способность узлов только двух типов (базовых станций и шлюзов), чтобы они справились с трафиком в случае его значительного роста. * целиком построена на IP (All IP Network — AIPN) — Первые концепции 3G были разработаны, с тем, чтобы голос по-прежнему передавался по системе с коммутацией каналов. С тех пор наблюдался переход к IP-сетям. Соответственно архитектура SAE построена на базе IP-сети. * обеспечивает большую пропускную способность на сети радиодоступа (radio access network — RAN) — предполагается, что нисходящий канал (Down Link) будет со скоростью свыше 100 Мбит/с, и основное внимание системы будет сосредоточено мобильности полосы пропускания, от сети потребуется поддерживать гораздо больше уровней данных. * обеспечивает меньшую задержку RAN — с увеличением требуемых уровней взаимодействия и более быстрых ответов, концепция SAE обеспечит уровень задержки в районе 10 мс. * поддерживает мобильность между несколькими гетерогенными RAN, включающим поддержку, как систем типа GPRS, так и не-3GPP систем (например WiMAX) (ru) 系统架构演进（又名SAE，System Architecture Evolution）是3GPP所制定的LTE无线通信的核心网络标准。 SAE是基于GPRS核心网的演进。其主要差别为： * 简化架构 * 全IP网络（AIPN） * 支持提供更高吞吐量和更低延迟的接入网 * 多个异构接入网络的互通，包括E-UTRA（LTE和LTE升级版的接入网），3GPP现有系统（例如GPRS和UMTS的接入网GERAN和UTRAN），也支持与非3GPP系统之间的互通（例如WiMAX或CDMA2000或WIFI） (zh)
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rdfs:comment System Architecture Evolution (SAE) is the core network architecture of mobile communications protocol group 3GPP's LTE wireless communication standard. SAE is the evolution of the GPRS Core Network, but with a simplified architecture; an all-IP Network (AIPN); support for higher throughput and lower latency radio access networks (RANs); and support for, and mobility between, multiple heterogeneous access networks, including E-UTRA (LTE and LTE Advanced air interface), and 3GPP legacy systems (for example GERAN or UTRAN, air interfaces of GPRS and UMTS respectively), but also non-3GPP systems (for example Wi-Fi, WiMAX or CDMA2000). (en) 시스템 아키텍처 에볼루션(System Architecture Evolution, SAE)는 3GPP EPC망 내에서 호처리 기능을 수행하는 네트워크 구성요소이다. SAE의 대표적인 기능은 다음과 같다. * NAS 관련 메시지 교환 * 페이징(paging), Tracking Area list 관리, 핸드오버와 같은 단말의 이동성 관리 * P-GW, S-GW의 선택 * MME가 바뀌는 핸드오버 시 MME의 선택 * 2G 또는 3G망으로의 핸드오버 시 SGSN의 선택 * 인증 및 인가 (Authentication & Authorization) SAE는 eNB, S-GW, HSS와 같은 네트워크 구성요소와 연동하며, Diameter, S1-AP, GTP등의 프로토콜을 사용한다. (ko) System Architecture Evolution (acrônimo SAE) é nomenclatura da rede núcleo do Padrão LTE, as chamadas redes 4G (quarta geração) para redes de comunicações móveis, especificado pelo 3GPP. SAE é a evolução das redes , com certas diferenças evolutivas: * arquitetura simplificada * conceito de redes All-IP (AIPN) * suporte a redes de acesso de altas taxas de velocidade e baixa latência * suporte a mobilidade entre redes de acesso heterogêneas, como e , redes de acesso legadas, como e , bem como redes não-3GPP, como por exemplo WiMAX e cdma2000. (pt) 系统架构演进（又名SAE，System Architecture Evolution）是3GPP所制定的LTE无线通信的核心网络标准。 SAE是基于GPRS核心网的演进。其主要差别为： * 简化架构 * 全IP网络（AIPN） * 支持提供更高吞吐量和更低延迟的接入网 * 多个异构接入网络的互通，包括E-UTRA（LTE和LTE升级版的接入网），3GPP现有系统（例如GPRS和UMTS的接入网GERAN和UTRAN），也支持与非3GPP系统之间的互通（例如WiMAX或CDMA2000或WIFI） (zh) SAE (англ. System Architecture Evolution — Эволюция системной архитектуры) — архитектура ядра сети, разработанная консорциумом 3GPP для стандарта беспроводной связи LTE. SAE является эволюционным продолжением ядра сети GPRS, с некоторыми отличиями: (ru)
rdfs:label System Architecture Evolution (cs) 시스템 아키텍처 에볼루션 (ko) System Architecture Evolution (en) System Architecture Evolution (pt) System Architecture Evolution (ru) 系统架构演进 (zh)
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