DESIGN AND ANALYSIS OF LTE ANTENNA FOR FOURTH GENERATION WIRELESS SYSTEM

Dr.E. Gajendran, M. Pradeep, Dr.S.R.Boselin Prabhu

Abstract


In telecommunication, Long-Term Evolution (LTE) is a standard for high-speed wireless communication for mobile phones and data terminals, based on the GSM/EDGE and UMTS/HSPA technologies. It increases the capacity and speed using a different radio interface together with core network improvements. The standard is developed by the 3GPP (3rd Generation Partnership Project) and is specified in its Release 8 document series, with minor enhancements described in Release 9. LTE is the upgrade path for carriers with both GSM/UMTS networks and CDMA2000 networks. The different LTE frequencies and bands used in different countries mean that only multi-band phones are able to use LTE in all countries where it is supported. A new wireless standard long term evolution technologies has been proposed to operate in the 700 MHz spectrum, due to lower operating frequencies of LTE system compared with existing Wi-Fi and cellular standards. The antenna should be small in size electrically to cover higher operating frequency. This gives inefficient and limitation in the coverage area of the system. To avoid strong mutual coupling between closely packed mobile antenna one possible solutions would be the orthogonally proposed MIMO antenna. Usually most of the antennas for a wireless application designed by using PIFA or micro strip antenna due to the advantages of small size, low cost, low profile and high bandwidth. In this project a suitable antenna for the new wireless system (LTE) operate in the frequency range of 2.4 to 2.5GHz with compact size, good efficiency, high impedance bandwidth and satisfactory performance. 


Keywords


Long term evolution, meander line and multiple-input–multiple-output

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