Design of multi-band minkowski MIMO antenna to reduce the mutual coupling

Babu, K. Vasu; Anuradha, B.

doi:10.1016/j.jksues.2018.06.003

Cited by 34 publications

(22 citation statements)

References 28 publications

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“…Multiple-Input-Multiple-Output (MIMO) tools with greater amount of data rates and virtuous radiated efficiencies are the significant defy in recent 4G and forthcoming 5G wireless mobile communication systems. By increasing the number of radiators (antenna elements) at both the transmitter and receiver sides, there is an excessive improvement in data rate and channel capacity [1]. Newly, millimeter-wave frequency bands have been dealt with and below concentrating by the research societies round the entire world that makes it likely robust candidates for the following generation mobile communication [2].…”

Section: Introductionmentioning

confidence: 99%

Novel Dual-Band 28/38 GHZ Mimo Antennas for 5g Mobile Applications

Marzouk¹,

Ahmed²,

Shaalan³

2019

PIER C

128

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This paper introduces new compact microstrip line fed dual-band printed MIMO antennas resonating at 28 GHz and 38 GHz which are appropriate for 5G mobile communications. The first design in this work is a two-element conventional rectangular microstrip patch antenna with inset feed intended for 28 GHz and 38 GHz bands. The second design is symmetric dual-band two-element MIMO slottedrectangular patches via microstrip inset fed lines. The dual-band response is attained from inverted I-shaped slots inserted in main patches. The third design is symmetric dual-band four-element MIMO antenna with inverted I-shaped slotted rectangular patches. A slot formed DGS is inserted in the partial rectangular ground plane. The substrate size is 55 × 110 mm 2 , while the introduced antennas have very modest planar configurations and inhabit an insignificant area which make them fit easier within handset devices for the forthcoming 5G mobile communications. Better return losses and larger bandwidths are realized. The MIMO antennas have low mutual coupling without using any added constructions. The antenna systems offer appropriate values of directivity, gain, and radiation efficiency with anticipated reflection and correlation coefficient characteristics which are seemly for 5G mobile applications. The antenna systems are fabricated by a photolithography process that uses optic-radiation to copy the mask on a silicon slab by the aid of photoresist layers and measured using Vector Network Analyzer ZVA 67 (measures up to 67 GHz frequency) with a port impedance of 50 Ω.

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Section: Introductionmentioning

confidence: 99%

Novel Dual-Band 28/38 GHZ Mimo Antennas for 5g Mobile Applications

Marzouk¹,

Ahmed²,

Shaalan³

2019

PIER C

128

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“…The signals a i and b i are related through the S-parameters as b = Sa (13) where S is the S-parameter matrix. If port 1 is taken as reference, the incident signals a i ≠ 1 will have a Gaussian random phase with respect to a i given by (14), in a range between 0 and 2π [54] a i ≠ 1 = a 1 e jθ i − 1…”

Section: Measured Resultsmentioning

confidence: 99%

Characteristic mode analysis applied to reduce the mutual coupling of a four‐element patch MIMO antenna using a defected ground structure

Fritz‐Andrade

Miguel

Gómez‐Villanueva

et al. 2019

IET Microwaves, Antennas & Propagation

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A multiple‐input–multiple‐output (MIMO) microstrip patch antenna array of four elements is proposed to cover the 5.8 GHz WLAN band. The characteristic mode analysis is carried out to design a defected ground structure that improves the MIMO performance without impacting negatively the radiation characteristics of the four‐element array. Simulations and measurements demonstrate that the implemented prototype reaches a maximum mutual coupling of −32 dB and a gain‐per‐element of 5.3 dB with good MIMO attributes, surpassing many other proposals in the antenna literature: maximum envelope correlation coefficient of 0.0001, diversity gain very close to 10 dB, capacity loss false(Clossfalse) near to 0.0023 bps/Hz at the resonant frequency, multiplexing efficiency )(ηmunormalxij of 0.935, and a total active reflection coefficient weakly dependent on the excitation phases. The presented design is proposed for operation on the IEEE 802.11a/n standard.

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“…. The user density is increasing day by day there is a big difference between the current density of users now and a few years ago after each year a large number of new users get access to the channel, therefore there is a prominent development in the arena of wireless technology, As the user density is aggregate similarly higher data rates and wide bandwidth increase the importance to accommodate that massive user density, it is indispensable to provide them multiple channels so that they can get uninterrupted service, in current era the field of 5G is emerging, now communication will takes place on higher frequencies (mm-band), therefore to allot the users high data rates various techniques are used linked with antenna to meet the requirements of higher number of users, for this purpose multiband antennas are usually used with diverse optimization approaches like using of array , slot or MIMO approach in recent era MIMO approach plays an gigantic role in providing higher emitted efficiency of the emitted EM waves both in near and far field regions and the data rate is quite high, both in 4G and now in 5G.when you have to provide access to multiusers at a time you will need a vast quantity of broad casting devices on both side via transmitter or receiver [1], by proper enactment of Slot, MIMO or Array approach, there is an extreme development in data rate, user allotting and handling aptitude. The mm frequency bands at the present time are under consideration around the globe because it is the probable sturdy entrant for meeting the congested user density [2].…”

Section: Introductionmentioning

confidence: 99%

Multiband Microstrip Patch Antenna for 5G Wireless Communication

Hussain¹

2020

IJEW

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In current time's an immense proliferation occurred in the user's density of wireless communication, not so far but in near past one channel was enough for the necessities of a single mobile user. Now even 4G technology is inadequate to deliver its clienteles a wider bandwidth, gain and fast communication. For need of high hasten communication technology alteration is under way and is switching from 4G to 5G. For multi-channel communication necessity, communicating gadgets are integrated with multiple bands having peculiarity to work on disparate frequency channels in a single device. In this projected work microstrip patch antenna is used as communicating tool and analyzed for one band and dual band communication at higher frequencies (mm-waves). Microstrip patch antenna is selected because of its simple design, low price, compactness and compatibility with circuit elements. A dual band U-shaped slotted Microstrip patch antenna with 28GHz and 38GHz operating bands is presented in this paper. The total area of antenna is8.5 × 8 × 0.254 3 , the substrate used in designing is Rogers RT 5880 having a dielectric constant 2.2. The antenna resulted in return loss of-32dB at 28GHz and-40dB at 38GHz. The simulated gain of proposed dual band is 6.7dB at 28GHz and 7.92dB at 38GHz.

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Design of multi-band minkowski MIMO antenna to reduce the mutual coupling

Cited by 34 publications

References 28 publications

Novel Dual-Band 28/38 GHZ Mimo Antennas for 5g Mobile Applications

Novel Dual-Band 28/38 GHZ Mimo Antennas for 5g Mobile Applications

Characteristic mode analysis applied to reduce the mutual coupling of a four‐element patch MIMO antenna using a defected ground structure

Multiband Microstrip Patch Antenna for 5G Wireless Communication

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