Technologies Used
This mm Wave WPAN will operate in
the new and clear band including 57-64 GHz unlicensed band defined by FCC 47 FR15.255.The millimeter-wave WPAN will allow
high coexistence (close physical spacing) with all other microwave systems in
the 802.15 family of WPANs.Two Technologies that help realize GWLAN are,
• Multiple Input Multiple Output
(MIMO)
• System-On-a-Package (SOP)
Multiple Input Multiple
Outputs:
MIMO wireless is an emerging cost
effective technology that offers substantial leverages in making 1Gbps wireless
links a reality. We can in principle, meet the 1Gbps data rate Requirement if
the product of bandwidth (measured in Hz) and spectral efficiency (measured in
bps/Hz) equals 10^9. MIMO wireless constitutes a technological breakthrough
that will allow Gbps speeds in NLOS wireless networks. The performance
improvements resulting from the use of MIMO systems are due to:
• 1. Array gain
• 2. Diversity gain
• 3. Spatial Multiplexing Gain
• 4. Interference Reduction
System-On-A-Package
SOP approach for the
next-generation wireless solution is a more feasible option than SOC. Recent
development of materials and processes in packaging area makes it possible to
bring the concept of SOP into the RF world to meet the stringent needs in
wireless communication area.
Wireless devices implementing
complex functionality require a large amount of circuitry and consequently,
require a large conventional package or MCM real estate. SOP goes one step beyond
Multi Chip Module (MCM) by enhancing overall performances and adding more
functionality.
OPERATION AT 60 GHZ
Here we will use millimeter wave
antenna which will operate at 60 GHz frequency which is unlined band Because of
this band we are achieving high data rates energy propagation in the 60 GHz
band has unique characteristics that make possible many other benefits such as
excellent immunity to co-channel interference,high security, and frequency
re use.Point-to-point wireless systems operating at 60 GHz have been used for
many years for satellite-to-satellite communications.This is because of high
oxygen absorption at 60 GHz (10-15 dB/Km).the
absorption attenuates 60 GHz signals over distance, so that signals cannot
travel far beyond their intended recipient. For this reason, 60GHz is an
excellent choice for covert communication.intended to provide an efficient use
of scarce radio bandwidth while enabling both high data rate personal-area network
(PAN) wireless connectivity and longer-range, low data rate applications as
well as radar and imaging systems.
Features
• High level of frequency re-use
enabled – communication needs of multiple customers within a small geographic
region can be satisfied
• It is also highly portable-we
can construct where ever we want.
• It deploys line of sight
operation having only shorter coverage area, it has more flexible architecture.
• Multi-gigabit wireless
technology that removes the need for cables between consumer electronic
devices.
• More than 100 times faster than
current short-range wireless technologies.
• Allows wireless streaming of
uncompressed high-definition content.
• Operates over a range of 10
meters without interference.
• Entire transmission system can
be built on a cost effective single silicon chip
NEXT COMING:::COMPARISON OF GI-FI AND EXISTING TECHNOLOGY
