Abstract
In this paper, we investigate the coexistence of the 5G communication network with a fixed-satellite service (FSS) in the 3.5 GHz and 26 GHz frequency bands. We analyze a distance protection scheme for the FSS Earth station (ES) and 5G base stations (BS). Furthermore, we define the exclusion and restriction zones to develop a transmit power control scheme based on the Citizens Broadband Radio Service (CBRS). An interactive power control scheme is also devised for the restriction zone and extensively analyzed through simulations. The proposed scheme is examined for practical scenarios such as the rural macrocells (RMa), urban macrocells (UMa), and urban microcells (UMi) as defined by the 3GPP. The impact of the antenna type is also investigated, and BSs with omnidirectional, 4 × 4, 8 × 8, and 16 × 16 antenna arrays are examined, as defined by 3GPP, for the 5G networks. The results confirm that 5G systems can coexist with the FSS and provide quantitative insights into the selection of the system parameters, including interference margins, exclusion sizes, and reduction zones, for different scenarios and antenna types.
Highlights
Usingvarious variousparameters, parameters, provided we show thatproposed our proUsing provided by by the the ITU,ITU, we show that our posed method covers rural macrocell (RMa), urban macrocell (UMa), urban method covers all rural all macrocell (RMa), urban macrocell (UMa), and urban and microcell microcell (UMi) deployment scenarios defined by
In the proposed distance protection method, the size of the exclusion zone is different for various scenarios
urban microcells (UMi)), where higher elevation zone is different for various scenarios (RMa > UMa > UMi), where higher elevationangles angles imply implylarger largeroff-boresight off-boresightangles
Summary
The demand for fifth generation (5G) radio frequency (RF) communications continues to grow at an alarming rate; as a new generation of mobile communication technology, 5G has higher data rates, shorter delays, and larger numbers of connections than 4G. The techniques to deterthe zones power the restriction are not investigated mine theand zones andcontrol powerschemes, control with schemes, with the zones, restriction zones, are not ininvestigated detail In this these andthese propose a method to define both theto in work, detail.we. By the power control define both exclusion andfor restriction zones protection. We investigate the impact of the ES antenna elevation angle on different protection methods and consider the worst-case scenario for FSS ES protection. We propose a new protection method, which combines the exclusion area and restricted area, where the BSs subjected to Tx power control scheme could be deployed. The proposed protection method, using the exclusion area as well as restricted areas, with Tx power control scheme are simulated.
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