Advantages and Disadvantage of Smart Antenna In Wireless Communications
4G Communications
Advantages of Smart Antenna:
i ) Increased number of users
Due to the targeted nature of smart antennas frequencies can be reused allowing an increased number of users. More users on the same frequency space means that the network provider has lower operating costs in terms of purchasing frequency space.
ii) Increased Range
As the smart antenna focuses gain on the communicating device, the range of operation increases. This allows the area serviced by a smart antenna to increase. This can provide a cost saving to network providers as they will not require as many antennas /base stations to provide coverage.
iii) Security
Smart antennas naturally provide increased security, as the signals are not radiated in all directions as in a traditional Omni-directional antenna. This means that if someone wished to intercept transmissions they would need to be at the same location or between the two communicating devices.
v) Reduced Interference
Interference which is usually caused by transmissions which radiate in all directions is less likely to occur due to the directionality introduced by the smart antenna. This aids both the ability to reuse frequencies and achieve greater range.
iv) Increased bandwidth
The bandwidth available increases form the reuse of frequencies and also in adaptive arrays as they can utilize the many paths which a signal may follow to reach a device.
Disadvantages of Smart Antenna:
i) Complex
A disadvantage of smart antennas is that they are far more complicated than a traditional antennas. This means that faults or problems may be harder to diagnose and more likely to occur.
ii) More Expensive
As smart antennas are extremely complex, utilizing the latest in processing technology they are far more expensive than traditional antennas. However this cost must be weighed against the cost of frequency space.
iii) Larger Size
Due to the antenna arrays which are utilized by smart antenna systems, they are much larger in size than traditional systems. This can be a problem in a social context, as antennas can be seen as ugly or unsightly.
iv) Location
The location of smart antennas needs to be considered for optimal operation. Due to the directional beam that ‘swings’ from a smart antenna locations which are optimal for a traditional antenna is not for a smart antenna. For example in a road context, smart antennas are better situated away from the road, unlike normal antennas which are best situated along the road.
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4G Communications,Advantages and Disadvantage of Smart Antenna In 4G wireless Communications channel
Advantages and Disadvantage of Smart Antenna In 4G wireless Communication channel,wireless Communication channel,
Advantages and Disadvantage of Smart Antenna In 4G wireless Communications channel,wireless Communications channel,
Advantages and Disadvantage of Smart Antenna In 4G wireless Communication channel in 4G communication,wireless Communication channel in 4G communication ,
Advantages and Disadvantage of Smart Antenna In 4G wireless Communications channel in 4G communications,wireless Communications channel in 4G communications,
Advantages and Disadvantage of Smart Antenna In 4G 4G wireless Communication channel,4G wireless Communication channel,
3 comments:
This allows the area serviced by a smart antenna to increase. outdoor antenna
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Internal PCB Antenna
Very useful post and thanks for sharing!!
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