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Author: | Bysany Dasharatharamasetty, Satish |
Title: | Performance Evaluation of Wireless LAN Integration with LTE Heterogeneous Networks |
Publication type: | Master's thesis |
Publication year: | 2014 |
Pages: | xi + 70 Language: eng |
Department/School: | Sähkötekniikan korkeakoulu |
Main subject: | Signaalinkäsittely (S3013) |
Supervisor: | Wichman, Risto |
Instructor: | Ramos, Edgar |
Electronic version URL: | http://urn.fi/URN:NBN:fi:aalto-201404181711 |
OEVS: | Electronic archive copy is available via Aalto Thesis Database.
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Location: | P1 Ark Aalto 1019 | Archive |
Keywords: | WiFi integration offoading access selection rate adaptation carrier sense IEEE 802.11 MAC layer physical layer HetNet wireless LAN WiFi LTE 4G |
Abstract (eng): | Heterogeneous Network (HetNet) refers to the coexistence and cooperation of multiple types of radio access technologies in the same wireless network. Wireless Local Area Network (WLAN), also called WiFi, is a local area network whereas a wide area network consists of macrocells, picocells and/or femtocells in a cellular network such as Long Term Evolution (LTE). In this thesis, the focus is on: (1) Simulation of Layer 1 (physical layer) and Layer 2 (MAC layer) of IEEE 802.11 WLAN standard. (2) Analysis of network performance when a certain amount of LTE traffic is integrated into the WLAN network. The study aims to investigate the performance in the case where an end-user is connected to WLAN and LTE networks simultaneously. A given amount of traffic is offloaded from LTE network to WLAN, using an access selection technique. The study shows that this method brings performance gains to the end-user in low-load scenarios compared to high-load scenarios. The reasons for the same are studied as well, by analyzing average user throughputs, Block Error Rate (BLER) and WLAN collision rates. |
ED: | 2014-04-20 |
INSSI record number: 48919
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