A low-cost and very compact wireless terminal integrated on the back of a waveguide planar array for 26 GHz band fixed wireless access (FWA) systems

Abstract

A compact wireless terminal (WT) with a high-gain planar array has been developed for the Wireless IP Access System (WIPAS), which is a point-to-multipoint Fixed Wireless Access (FWA) system in the 26 GHz band. For the point-to-multipoint FWA services in rural areas, the drastic cost and size reduction of WT with the high-gain antennas and RF module is indispensable. In this paper, remarkable cost reduction of 1/10 and downsizing of 1/5 are realized by using an alternating phase fed single layer waveguide array antenna and Microwave Monolithic IC (MMIC) technologies. This terminal is 190 190 55 mm 3 in volume and less than 2.0 kg in weight which accommodates over 31 dBi very high efficiency antenna with a radome, RF module, IF modules, application specific IC (ASIC) for modem, time division multiple access (TDMA) equipment control, and medium access control (MAC). Only an Ethernet cable with 24 V dc power supply is attached on the terminal. Index Terms-Fixed Wireless Access (FWA), low-cost, Microwave Monolithic IC (MMIC), waveguide antenna, wireless terminal (WT).

Towards Enhanced Mobile Broadband Communications: A Tutorial on Enabling Technologies, Design Considerations, and Prospects of 5G and beyond Fixed Wireless Access Networks

“…To address this, a lightweight and compact wireless terminal (WT) with high antenna gain for outdoor and indoor use was presented. Design of WT that mainly focuses on a unique antenna and RF module for a point-to-multipoint (PtMP) FWA system known as Wireless IP Access System (WIPAS) was described in [70,71]. To improve the performance of WIPAS, an advanced WIPAS was presented with system specifications and concepts in [72,73].…”

A Broadband Full-Corporate-Fed Slot Array Antenna Based on the Single-Layer Substrate Integrated Waveguide

“…In recent years, the high-gain and high-efficiency antennas have become crucial devices for various wireless communication and radar systems. Due to the strong oxygen absorption and the high propagation path loss in the millimeter-wave (mmW) band, it has been reported in [1] that the 60-GHzband array antenna with a gain higher than 30 dBi is indispensable when the communication distance is longer than 100 m. Meanwhile, a broadband antenna is in high demand in the point-to-point high-speed fixed wireless access system [2], adopting a wide frequency band. Lens antennas [3] The associate editor coordinating the review of this manuscript and approving it for publication was Tutku Karacolak .…”

Micromachined SU-8-Based Terahertz 8×8 Slotted Waveguide Antenna Array

“…More recently, investigations on achieving high gain and large bandwidth of the periodic reflective surfaces (PRSs) have been conducted at millimeter-wave [21][22][23] and lower THz frequency bands [24]. Slotted waveguide antennas are high gain antennas which are attractive to THz applications due to their planar structure, low losses, and handling high powers [25][26][27][28][29][30][31]. In addition to that, slotted waveguide antennas have structures which are very compatible with the micromachining fabrication Technology [11][12][13]32].…”