The objectives of this study are to understudy the effects of temperature and relative humidity on low-band VHF signals, obtain a propagation model for signal transmission over Calabar and to ascertain the suitability of the free space propagation model for the study terrain. Res...
Open access
Research Article10.9734/ajarr/2022/v16i11436
This paper examines the coverage of three UMTS networks in Calabar, using the received signal code power (RSCP). A drive test conducted with the aid of a TEMS investigation software, collected log files of RSCP which were analyzed as coverage plots by a TEMS discovery software an...
Open access
Research Article10.9734/jerr/2022/v23i7732
To evaluate the reliability and quality of signal of UMTS radio access technology of three cellular networks (MTN, 9mobile and Airtel network) over two cities in Nigeria, an intensive drive test measurement was conducted, taking into consideration, signal-to-interference ratio (E...
Open access
Research Article10.9734/ajarr/2022/v16i330462
The dependency of mobile network operators on the troposphere for signal transmission without pre-evaluation and characterization of the region where the signals are transmitted is the reason for the poor Quality of Services (QoS) delivered to their network subscribers. To descri...
Open access
Research Article10.9734/jerr/2022/v22i217521
This research involves the assessment of noise levels in pubs operating in Calabar, Nigeria, to investigate their compliance with the permissible noise level recommended by the National Environmental Standards and Regulations Enforcement Agency (NESREA), Nigeria. A Bam and Kom (B...
Open access
Research Article10.9734/ajr2p/2023/v7i1129
This research investigates the effects of temperature and relative humidity on UHF signals. A spectrum analyzer was used in measuring UHF signals while a digital thermometer and hygrometer was used in measuring temperature and relative humidity, respectively. From results obtaine...
Open access
Research Article10.9734/ajr2p/2022/v6i3121
Every radio frequency (RF) design, after its implantation, should be regularly evaluated. The kernel of this article is to evaluate the performance of four GSM networks, taking its received signal quality (RxQual) into consideration. A total of 10501, 10140, 10415 and 10690 RxQua...
Open access
Research Article10.9734/ajopacs/2022/v10i3183