Abstract
Carrier Aggregation (CA) is one of the Long Term Evolution Advanced (LTE-A) features that allow mobile network operators (MNO) to combine multiple component carriers (CCs) across the available spectrum to create a wider bandwidth channel for increasing the network data throughput and overall capacity. CA has a potential to enhance data rates and network performance in the downlink, uplink, or both, and it can support aggregation of frequency division duplexing (FDD) as well as time division duplexing (TDD). The technique enables the MNO to exploit fragmented spectrum allocations and can be utilized to aggregate licensed and unlicensed carrier spectrum as well.
Highlights
Carrier Aggregation is an Long Term Evolution Advanced (LTE-A) feature that bonds together bands of spectrum to form wider channels which yield larger network capacity and convey faster speeds to User Equipment (UE) based on their categorical capabilities [1]
This work tries to find out which component carriers (CCs) combination can result into better average cell throughput
It was found that a combination of CCs from 1800MHz and 2100MHz yield better average cell throughput than the other two component carrier aggregations
Summary
Carrier Aggregation is an LTE-A feature that bonds together bands of spectrum to form wider channels which yield larger network capacity and convey faster speeds to UEs based on their categorical capabilities [1]. It enables MNO to provide high data rates without wide contiguous frequency band allocations, and ensures statistical multiplexing gain by distributing the traffic dynamically over multiple carriers [2]. CA permits LTE to achieve the goals mandated by International Mobile Telecommunications Advanced (IMT-A) while maintaining backward compatibility with LTE release and 9 [3]. In the 3rd Generation Partnership Project (3GPP), the radio interface specifications for the generation mobile systems were finalized as release and called LTE [8]. LTE uses orthogonal frequency division multiple access (OFDMA) and single-carrier frequency division multiple access (SC-FDMA) as the multiple access scheme in the downlink and uplink, respectively [8]. LTE is full Internet Protocol (IP) based radio access that incorporates the capability to support traffic with various levels of Quality of Service (QoS) [8]
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