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3G Americas Publishes Report on Smart Antennas (MIMO Technologies)
BELLEVUE, WA, Jul 01, 2009 (MARKETWIRE via COMTEX) --
3G Americas, a wireless industry trade association representing the
GSM family of technologies including LTE, today announced that it has
published an educational report titled, MIMO Transmission Schemes
for LTE and HSPA Networks as a tool to increase awareness of smart
antenna systems -- also known as multiple-input multiple-output
(MIMO) technology -- and help guide their deployments in HSPA and LTE
networks within 3GPP's specifications and technology standards. The
3GPP evolution continues to be the leader in standardizing the most
advanced forms of multiple-input multiple-output (MIMO) antennas.
Smart antenna, or MIMO, technology is commonly defined as, the use of
two or more unique radio signals, in the same radio channel, where
each signal carries different digital information, or two or more
radio signals that use beam forming, receive combining and spatial
multiplexing (SM). Relative to a traditional 1x1 antenna system, a
2x2 MIMO system is expected to deliver significant cell throughput
gain.
The MIMO Transmission Schemes for LTE and HSPA Networks report
provides an overview and detailed information of the current and
emerging MIMO techniques that significantly increase the performance
of HSPA and LTE networks.
"Smart antenna technology has arrived and will be a vital part of
mobile broadband communications," stated Pantelis Monogioudis, Ph.D,
of Alcatel-Lucent LTE-Advanced Technology Strategy. "It is an exciting
time for smart antenna technology as 3GPP has provided the leading
technical standards for MIMO that the industry will utilize to improve
the capabilities of mobile broadband."
MIMO was first standardized in 3GPP Release 6 (Rel-6), and was
further developed in Rel-7 with spatial multiplexing for HSPA+ using
Double Transmit Adaptive Array (D-TxAA). As the report highlights,
the use of multiple antennas at both transmitter and receiver
allows:
-- Substantial increase in peak data rate
-- Significantly higher spectrum efficiency, especially in low-
interference environments
-- Increased system capacity (number of users)
Based on simulation results presented in the report, it was shown
that the relatively simple MIMO transmission scheme based on 2x2
closed-loop SM, at low user equipment (UE) speeds, can increase by 20
percent the downlink (DL) sector spectral efficiency relative to a
single antenna transmission, as well as increase the cell edge
efficiency by approximately 35 percent. More advanced antenna
configurations can provide benefits that are significant for users
that are receiving a strong signal as well as cell edge users.
The 3GPP Rel-8 LTE specifications, completed in March 2009, included
the most advanced forms of MIMO of any standard in the industry, and
now, 3GPP is studying even more advanced MIMO enhancements for
inclusion in 3GPP Rel-9 and Rel-10 for LTE-Advanced.
The white paper, MIMO Transmission Schemes for LTE and HSPA Networks,
was written by members of 3G Americas, and is available for free
download on the 3G Americas website at www.3gamericas.org.
About 3G Americas: Unifying the Americas through Wireless Technology
3G Americas is an industry trade organization composed of
telecommunications service providers and manufacturers. The
organization's mission is to promote, facilitate and advocate for the
deployment of the GSM family of technologies including LTE throughout
the Americas. 3G Americas has contributed to the successful
commercial rollout of GSM across the Americas and its place as the
number one technology in the region, as well as the global adoption
of EDGE. The organization aims to develop the expansive wireless
ecosystem of networks, devices, and applications enabled by GSM and
its evolution to LTE. 3G Americas is headquartered in Bellevue,
Washington, with an office for Latin America and the Caribbean in
Dallas, Texas. More information is available at www.3gamericas.org.
3G Americas' Board of Governor members include Alcatel-Lucent,
America Movil, AT&T, Andrew Solutions, Cable & Wireless, Ericsson,
Gemalto, Huawei, HP, Motorola, Nokia Siemens Networks, Nortel,
Openwave, Research in Motion (RIM), Rogers, T-Mobile USA and
Telefonica.
Contact:
Vicki Livingston
Email Contact
+1 262 242 3458
SOURCE: 3G Americas
http://www2.marketwire.com/mw/emailprcntct?id=DB90DFCD986EB31B
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