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【资料名称】：LTE-ADVANCED: NEXT-GENERATION WIRELESS BROADBAND TECHNOLOGY
【资料作者】：AMITAVA GHOSH, RAPEEPAT RATASUK, BISHWAR
【资料日期】：２０１０
【资料语言】：英文
【资料格式】：PDF
【资料目录和简介】：
LTE-Advanced (also known as LTE Release 10)
significantly enhances the existing LTE Release 8 and supports much
higher peak rates,higher through put and coverage andｌower latencies
resulting in a better user experience.
ABSTRACT
LTE Release 8 is one of the primary broadband
technologies based on OFDM, which is
currently being commercialized. LTE Release 8,
which is mainly deployed in a macro/microcell
layout, provides improved system capacity and
coverage, high peak data rates, low latency,
reduced operating costs, multi-antenna support,
flexible bandwidth operation and seamless integration
with existing systems. LTE-Advanced
(also known as LTE Release 10) significantly
enhances the existing LTE Release 8 and supports
much higher peak rates, higher throughput
and coverage, and lower latencies, resulting in a
better user experience. Additionally, LTE
Release 10 will support heterogeneous deployments
where low-power nodes comprising picocells,
femtocells, relays, remote radio heads, and
so on are placed in a macrocell layout. The
LTE-Advanced features enable one to meet or
exceed IMT-Advanced requirements. It may also
be noted that LTE Release 9 provides some
minor enhancement to LTE Release 8 with
respect to the air interface, and includes features
like dual-layer beamforming and time-difference-
of-arrival-based location techniques. In this
article an overview of the techniques being considered
for LTE Release 10 (aka LTEAdvanced)
is discussed. This includes bandwidth
extension via carrier aggregation to support
deployment bandwidths up to 100 MHz, downlink
spatial multiplexing including single-cell
multi-user multiple-input multiple-output transmission
and coordinated multi point transmission,
uplink spatial multiplexing including
extension to four-layer MIMO, and heterogeneous
networks with emphasis on Type 1 and
Type 2 relays. Finally, the performance of LTEAdvanced
using IMT-A scenarios is presented
and compared against IMT-A targets for full
buffer and bursty traffic model.
[ 本帖最后由 309172140 于 2010-12-26 21:19 编辑 ]
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