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LTE-WLAN Aggregation: Benefits and Deployment Considerations – Intel White Paper

Cellular networks have evolved from delivering robust voice services with 1st and 2nd generation standards towards generations of standards that enable data-centric networks and the proliferation of Smartphones with Wi-Fi and 3G/LTE capabilities. The resulting surge in data traffic volumes has led operators to recognize the opportunity offered by both Wi-Fi technology and unlicensed spectrum for traffic offload.

In response to operator need for integrated Wi-Fi offloading technologies in their networks, the 3rd Generation Partnership Project (3GPP) has defined various methods of LTE-WLAN interworking ranging from Non-Seamless WLAN Offload (NSWO) and loosely coupled methods such as S2b (later on enhanced with radio layer interworking capabilities), to LTE-WLAN Radio Level Integration, a more advanced RAN anchored solution with IPsec Tunnel (LWIP), to LTE-WLAN Aggregation (LWA), which allows operators to seamlessly integrate WLAN as a “new Radio Access Network (RAN)”, into their network.

©2017 Intel Corporation

Intel is an Executive Member of GSA

Cellular networks have evolved from delivering robust voice services with 1st and 2nd generation standards towards generations of standards that enable data-centric networks and the proliferation of Smartphones with Wi-Fi and 3G/LTE capabilities. The resulting surge in data traffic volumes has led operators to recognize the opportunity offered by both Wi-Fi technology and unlicensed spectrum for traffic offload.

In response to operator need for integrated Wi-Fi offloading technologies in their networks, the 3rd Generation Partnership Project (3GPP) has defined various methods of LTE-WLAN interworking ranging from Non-Seamless WLAN Offload (NSWO) and loosely coupled methods such as S2b (later on enhanced with radio layer interworking capabilities), to LTE-WLAN Radio Level Integration, a more advanced RAN anchored solution with IPsec Tunnel (LWIP), to LTE-WLAN Aggregation (LWA), which allows operators to seamlessly integrate WLAN as a “new Radio Access Network (RAN)”, into their network.

©2017 Intel Corporation

Intel is an Executive Member of GSA

Date: 24th Feb 2017
Type: Member White Paper
Technology: LTE, LTE Unlicensed
Originator: Intel

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