MIMO Systems Theory and Applications Part 2 ppt

... becomes the 2l order Hadamard matrix.  CC C −C  and C 2 l = C 2 ⊗C 2 l−1 (116) where ⊗ is the Kronecker product and C 2 l−1 ,2 l is expressed as : C 2 l =  C 2 l−1 C 2 l−1 C 2 l−1 −C 2 l−1  (117) Collaborative ... Press, ISBN: 978–1– 420 0–46 02 1. Jafarkhani, H. (20 05). Space-Time Coding Theory and Practice, Cambridge University Press, ISBN: 978–0–511–115 62 2...

Ngày tải lên: 20/06/2014, 04:20

... : ⎛ ⎜ ⎜ ⎜ ⎜ ⎝ y (1) 1 y (1) 2 (y (2) 1 ) ∗ (y (2) 2 ) ∗ ⎞ ⎟ ⎟ ⎟ ⎟ ⎠ = ⎛ ⎜ ⎜ ⎝ h 11 h 12 h 21 h 22 h ∗ 12 −h ∗ 11 h ∗ 22 −h ∗ 21 ⎞ ⎟ ⎟ ⎠ ·  x 1 x 2  + ⎛ ⎜ ⎜ ⎜ ⎝ b (1) 1 b (1) 2 (b (2) 1 ) ∗ (b2 (2) ) ∗ ⎞ ⎟ ⎟ ⎟ ⎠ (10) 9 Advanced ... signal 18 MIMO Systems, Theory and Applications Contents VI Cellular MIMO Systems 187 Wei Peng Pre-processing and Post-p...

Ngày tải lên: 20/06/2014, 04:20

... channels) and their direct counterparts as spatial equalization methods (in MIMO channels) are depicted in Table I [2] . MIMO Systems, Theory and Applications 20 0 2 3 4 5 6 7 8 0 2 4 6 8 10 12 14 16 18 20 Cellular ... FRF P t r 0 −α /σ 2 =30dB (b) Fig. 8. Average ergodic capacities of the cellular MIMO systems using FRF 3 scheme and the hybrid freque...

Ngày tải lên: 21/06/2014, 03:20

... N c C 1 (N t N r −1)! (N t −1) N t 2 ∑ n= 0  N t 2 n  (−1) n (C −(N t N r −1−n) 2 −1) N t N r −1 −n , (15) 28 8 MIMO Systems, Theory and Applications MIMO Systems, Theory and Applications 28 4 [11] S. S. ... eigenvector w t2 . Thus, mean square error of the error signal e 2 is given as ( ) 2 22 2 2 222 22 2 22 2 21 121 2 HH HH tt tt HH HH H tttt...

Ngày tải lên: 21/06/2014, 03:20

... al., 20 02; Brinkman et al., 20 02; Mazin et al., 20 02; Nakai et al., 20 02; Miranovic et al., 20 03; Dahm & Schopohl, 20 04; Dahm et al., 20 04; Gurevich, 20 03; Golubov & Koshelev, 20 03). ... a SC 19.691 12. 39 4.8 – −1 20 IM 19.739 12. 50 4.4 – 4 20 M1 19. 820 12. 69 3.6 6 6 20 M2 19.751 12. 54 – 5 5 20 Table 2. Various parameters for the samples shown in Fig....

Ngày tải lên: 19/06/2014, 21:20

... 1 12 22 32 2 12 13 23 33 3 123 ,,, T T T T TT T TT N N NN N T N NNN vvv v vvv v vvv v vvv v ⎡ ⎤ ⎢ ⎥ ⎢ ⎥ ⎢ ⎥ ⎡⎤ == ⎣⎦ ⎢ ⎥ ⎢ ⎥ ⎢ ⎥ ⎢ ⎥ ⎣ ⎦ VVV V      … ( 12) MIMO Systems, Theory and Applications ... MIMO Systems, Theory and Applications 82 As shown in Fig. 12, the performance of both LS-based TBCE and SBCE-ML schemes in a MIMO 4×4 system is improve...

Ngày tải lên: 20/06/2014, 04:20

... receive antenna of the original N r × N t system. 122 MIMO Systems, Theory and Applications MIMO Systems, Theory and Applications 98 where θ L1 and φ L1 are scatterer’s coordinates referring ... as well as the information rate averaged over random channels, 126 MIMO Systems, Theory and Applications Semi-Deterministic Single Interaction MIMO Channel Model...

Ngày tải lên: 20/06/2014, 04:20

... first 156 MIMO Systems, Theory and Applications ˆ u 11 = 2 · ¯ γ −2e 2 ¯ γ Γ  0, 2 ¯ γ  ¯ γ 2 ˆ u 12 = 4 ·  2 + ¯ γ  e 2 ¯ γ Γ  0, 2 ¯ γ  − ¯ γ ¯ γ 3 ˆ u 21 = ˆ u 12 ˆ u 22 = 4 · ¯ γ  2 + ¯ γ  −4  1 ... −Pr  x 1 x 2 < 1 √ d  = 1 −F  1 √ d  ( 12) where F (z)= 2 ¯ γ 3 e 4 ¯ γ  z 1 e − 2 ¯ γ x 2 ·  e − 2 ¯ γ  ¯ γ 2 2 ¯ γ  x 2 −1...

Ngày tải lên: 20/06/2014, 04:20

... ( 121 ) Therefore, we have when r ≤ t B = ∂ ∂θ { 2 ˜ F (r) 1 (−θ, t; t + t I −θ; I −ρ ˜ Σ)}| θ=0 = ∑ r h=1 | D(h) | |V(Δ)| ( 122 ) 180 MIMO Systems, Theory and Applications MIMO Systems, Theory and ... important case is Rayleigh faded signals for which M = 0 and (87) can be simplified. 1 72 MIMO Systems, Theory and Applications MIMO Systems, Theory and App...

Ngày tải lên: 20/06/2014, 04:20

... IEICE Transactions on Communications, vol. E 92- B, May 20 09. MIMO Systems, Theory and Applications 22 4 () kTn kk 2 e p r σ βασ ++≈ 2 2 1 ( 62) Where, similar to previous section, the worst-case ... case [25 ], MIMO Systems, Theory and Applications 22 0 Fig. 10. Capacity loss for different user and 05.0 = ρ and ),0(~ 2 ρ CNHΔ . The validity o...

Ngày tải lên: 20/06/2014, 04:20