DL - 4G Americas

Antenna configuration
(C)
VoIP results (TDD)
• LTE Rel. 8 fulfills ITU-R requirements for all the environments
Antenna configuration
Antenna configuration
(A)
Evaluated schemes
DL: Rel. 8 (4x2 or 1x2)
UL: Rel. 8 (1x4)
Environment
Indoor
Urban Micro
Urban Macro
High Speed
Indoor
Urban Micro
Urban Macro
High Speed
VoIP capacity for TDD
ITU‐R requirement Number of samples
50
40
40
30
50
40
40
30
© 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009
© 3GPP 2009 61
Mobility results (FDD)
• LTE Rel. 8 fulfills ITU-R requirements for all the environments
LOS/NLOS
Antenna
configuration
1x 4, NLOS
Antenna
configuration
1x 4, LOS
Evaluated schemes
Rel. 8 UL (1x4)
Environment
Indoor
Urban Micro
Urban Macro
High Speed
Indoor
Urban Micro
Urban Macro
High Speed
www.4gamericas.org February 2011 Page 165
2
2
2
2
3
3
3
3
Mobility traffic channel link data rates for FDD
ITU‐R
requirement
1.0
0.75
0.55
0.25
1.0
0.75
0.55
0.25
Median SINR
[dB]
Capacity [User/MHz/Cell]
© 3GPP 2009 Mobile World Congress, Barcelona, 19 th February 2009
© 3GPP 2009 62
13.89
4.54
4.30
5.42
13.89
4.54
4.30
5.42
Number of
samples
7
7
7
7
4
4
4
4
137
74
65
86
130
74
67
92
FDD UL Spectrum
efficiency [b/s/Hz]
2.56
1.21
1.08
1.22
3.15
1.42
1.36
1.45