Báo cáo hóa học: " Zero-Forcing Frequency-Domain Equalization for Generalized DMT Transceivers with Insufficient Guard Interval" doc

... (7)and(8) simultaneously. 4. ZERO-FORCING EQUALIZATION FOR TRANSMISSION WITH INSUFFICIENT GUARD INTERVAL AND UNUSED SUBCARRIERS We now assume that K subcarriers are not used for data transmission, ... fliege@informatik.uni-mannheim.de Received 28 Februar y 2003; Revised 16 September 2003 We propose a zero-forcing frequency domain block equalizer for discrete multitone (DMT) sys...

Ngày tải lên: 23/06/2014, 01:20

... 5-6 dB. The curve for a QPSK system with the conventional receiver is also provided for a baseline com- parison. Note that for the conventional receiver, th e BER performance for an OQPSK system ... Conv. 16QAM Conv. 16ASK Impr. Figure 5 BER performance for the uplink of OFDMA system (K = n R = 2) for the conventional FDE and the improved FDE for systems with high-order sign...

Ngày tải lên: 20/06/2014, 22:20

... x,thenx =sup{x n }. Particularly, x n ≤ x for all n.SinceT is non- decreasing, Tx n ≤ Tx for all n,thatis,x n+1 ≤ Tx for all n. Moreover, as x n ≤ x n+1 ≤ Tx for all n and x =sup{x n }, we obtain ... Common fixed point for generalized (j, ψ)-weak contractions. Appl Math Lett. 22, 1896–1900 (2009). doi:10.1016/j.aml.2009.08.001 5. Harjani, J, Sadarangani, K: Fixed point theorems f...

Ngày tải lên: 21/06/2014, 00:20

... H + =0,thenweconsiderc j for j ≥ 2. As per the above arguments, J(0) < c 0 ≤ c 2 ≤ c 3 ≤···≤ c dim H − ≤ c ∞ and if c := c j = = c j+l for 2 ≤ j ≤ j + l ≤ dim H - with l ≥ 1, then i(K c ∩ S) ≥ l +1≥ 2. Therefore, ... theory with applications to differential equations. CBMS Reg Cof Ser Math. 65 (1986) doi:10.1186/1687-2770-2011-18 Cite this article as: Qian: Sign-changing solutions...

Ngày tải lên: 21/06/2014, 00:20

... analytic for z ∈ C p , |z| p ≤ 1, provided that s ∈ D, except for s  1 if χ /  1. Moreover, if z ∈ C p , |z| p ≤ 1, then this function is analytic for s ∈ D if χ /  1 and meromorphic for s ∈ D with ... analytic for z ∈ C p , |z| p ≤ 1, provided that s ∈ D, except for s /  1 when χ  1. Also, if z ∈ C p , |z| p ≤ 1, this function is analytic for s ∈ D when χ /  1, and mero...

Ngày tải lên: 21/06/2014, 22:20

... derivations, module-A derivations, generalized module-A left derivations, and generalized module- A derivations on A become left derivations, derivations, generalized left derivations, and generalized derivations ... Article Superstability for Generalized Module Left Derivations and Generalized Module Derivations on a Banach Module (I) Huai-Xin Cao, 1 Ji-Rong Lv, 1 and J. M. Ras...

Ngày tải lên: 22/06/2014, 02:20

... calibrated, the per- formance of the model was tested for two, three, and four LEDs. Figure 15 shows the results obtained for users 1–5. For each subject, black dots represent the real values for the fix- ations. ... pupil 3D position and consequently provides information about E position but not for C. There- fore, the model based on the pupil ellipse does not allow for the estima...

Ngày tải lên: 22/06/2014, 19:20

... detection for uplink reception in the base station, and frequency-domain chip equalization for downlink re- ception in the mobile station. MC-CDMA has been proposed as a candidate air interface for ... terminal resources. For example, it has been recently proposed, in [16] for the downlink, and in [17] for the uplink, to perform a two-dimensional spread- ing (combination of MC...

Ngày tải lên: 23/06/2014, 00:20

... the performance of the pro- posed detector. However, the synchronization of the desired user or, equivalently, the available delay information of the desired user is a basic prerequirement for all ... assumption on the received desired waveform in which only the multipath coefficients are not known, these detec- tors normally achieve better performance compared with the proposed detctor. 4....

Ngày tải lên: 23/06/2014, 00:20

... the cells */ For d=l to (J-l) For a=l to (J-d) For each X t, Set [Xt,a,a+d] to maxH{underparsing ops for [Xt,a,a+d]} For each X ~, Set [Xt,a,a+d] maxH{[Xt,a,a+d], parsing ops for [Xt,a,a+d]} ... maxH{underparsing ops for [Xt,a,a]} For each X t, Set [Xt,a,a] to maxH{[Xt,a,a], parsing ops for [Xt,a,a]} Repeat For each X t, Set [Xt,a,a] to maxH{[Xt,a,a], overparsing ops...

Ngày tải lên: 31/03/2014, 06:20