interference cancellation in hsdpa terminals

... the inner-loop PC accordingly In a multiple-cell deployment, interference is generated both from users in surrounding cells (intercell interference) as well as from users in the own cell (intracell ... simu-lated in a single cell, and intercell interference is modeled with an intercell-to-intracell interference ratioF The main purpose is to provide a service quality and RIF mapping to the CIR ... simulated in a single cell with intercell interference mod-eled as AWGN with the powerF times the intracell interference power Note that UE=1 corresponds to conventional RAKE per-formance in a single

Ngày tải lên: 23/06/2014, 01:20

... line interference removal algorithm Trang 29Power Line InterferenceCancellation: Algorithm Design As briefed in the previous chapter, power line interference may severely corruptneural recordings ... residual interference may remain in the signal [3,4,20,31],thus further signal processing is required to completely remove the interference.Notch filtering has been widely used to attenuate the interference ... of 80–500 Hz in [7], 40–180 Hz in [9], 76–150 Hz in[10], 0–200 Hz in [15], and 30–200 Hz in [13] have been shown useful for studyingcognitive and motor processing In this case, in addition to

Ngày tải lên: 09/09/2015, 08:12

... access ICI inter-carrier interference SER symbol error rate IFFT inverse fast Fourier transform SIC successive interference cancellation ISI inter-symbol interference SIR signal-to-interference ... Interference Suppression in OFDMA Uplink 9 1.4 Outline 12 Chapter 2 Inter-Carrier Interference in OFDMA System Uplink 13 2.1 Frequency Asynchronism and ICI in OFDMA Uplink 13 2.2 A Review ... becomes a major challenge in OFDMA physical layer design, and also main scope of the study in this dissertation 1.3 Inter-Carrier Interference Suppression in OFDMA Uplink A simple idea to suppress

Ngày tải lên: 14/09/2015, 14:03

... diversity combining technique such as maximal ratio combining (MRC) or equal gain combining (EGC) can be used in collecting the signal energy from the various carriers This will definitely increase ... allows the processing gain (PG) MC-MT-CDMA § Longer spreading codes result in a reduction in interference and multiple access interference as compared to those experienced in self-conventional ... desired signal is protected against the interference due to the other users by the inherent interference suppression capability of CDMA, measured by the processing gain The interference suppression

Ngày tải lên: 26/09/2015, 11:07

... processing time We propose the improved successive interference cancellation (ISIC) scheme that is comprised of a selective parallel interference cancellation (PIC) integrated into a successive interference ... IC Building Block using Cross-correlation 53 4.4 Processing time Reduction in SIC with Re-matched Filtering 66 5 Improved Successive Interference Cancellation 77 5.1 Issues of Successive Interference ... successive) Interference Cancellation PIC Parallel Interference Cancellation AWGN Additive White Gaussian Noise SSS Spread Spectrum Signals SIR Signal-to-Interference Ratio BPSK Binary Pulse Shift Keying

Ngày tải lên: 09/10/2015, 11:18

... approaches, including the linear detectors and the interference cancellation detectors, are thus being sought Trang 18In interference cancellation schemes, PIC is one of the most promising schemes ... subtractive interference cancellation detectors below 3.3.1 Successive Interference Cancellation The successive interference cancellation (SIC) detector takes a serial approach to interference cancellation ... Detector 23 3.3 Substractive Interference Cancellation 27 3.3.1 Successive Interference Cancellation 28 3.3.2 Parallel Interference Cancellation 30 3.4 PIC Scheme Based on the Linear Detector 32 CHAPTER

Ngày tải lên: 28/11/2015, 13:26

... flows within airport terminals As the route-choice decision-making of passengers involves many uncertain factors within the airport terminals, the mechanisms to fulfil the capacity of managing the ... passengers interacting with others In the thesis, first, the passenger flow in airport terminals was investigated Discretionary activities of passengers were integrated with standard processing procedures ... environment within airport terminals and process way-finding information in the psychological aspect This should be an approach to Trang 24realise the route-choice decision-making of passengers In this

Ngày tải lên: 07/08/2017, 12:46

... protein database looking for the protein domains involved in chromatin modification [19, 24–27] In this study, the authors pre-dicted 397 novels CM genes (coding for 329 proteins) in humans in ... chromatin modifying domains involved in MET RNAi-mediated gene silencing is a valuable tool widely used in drug discovery [15, 16] notably in high-throughput screening [17, 18] A set of 729 chromatin ... chromatin modifying factors exhibits distinct protein domains that perform specific functions, such as SET domain (a cata-lytic domain of many histone lysine methyl-transferases), Bromodomain (responsible

Ngày tải lên: 20/09/2020, 15:27

... space-time In order to do that, the signals corresponding to array elements are combined in the interest of boosting the desired signals in particular directions and minimizing the undesired signals (interferences) ... capability of interference suppression by: (i) steering the main lobe to the desired signal; (ii) suppressing sidelobes at directions of interferences; (iii) or placing nulls at directions of interferences ... nulls at directions of interferences while maintaining the main lobe at the direction of desired signal and suppressing sidelobes However, this has resulted in an increase in the complexity of

Ngày tải lên: 28/09/2020, 22:52

... in the interest of boosting the desiredsignals in particular directions and minimizing the undesired signals (interferences) in the others Beamforming can be applied for both transmitting and ... nulling of ULAs including a single null, multiple nulls, and a broad null at directions of interferences; - Able to maintain the direction of the main lobe and the beamwidth while suppressing ... of Real part ofImaginary part ofCosine integralSine integralInfinity Trang 9List of FiguresFigure 1.1 Beamforming for smart antnenas 15 Figure 1.2 Applications of beamforming 15 Figure 1.3

Ngày tải lên: 09/11/2020, 09:06

... space-time In order to do that, the signals corresponding to array elements are combined in the interest of boosting the desired signals in particular directions and minimizing the undesired signals (interferences) ... capability of interference suppression by: (i) steering the main lobe to the desired signal; (ii) suppressing sidelobes at directions of interferences; (iii) or placing nulls at directions of interferences ... nulls at directions of interferences while maintaining the main lobe at the direction of desired signal and suppressing sidelobes However, this has resulted in an increase in the complexity of

Ngày tải lên: 04/12/2020, 19:52

... these main absorbers in the brain change during cog-nitive activity, monitoring the change in their concentrations using NIR spectroscopy provides information about brain function [1-3] In functional ... oxy- and deoxy-Hb remain significantly different allowing spectroscopic separation of these compounds using only a few sample wavelengths In functional brain imaging studies, since the demand and ... systems which makes it suitable for many operations, including the monitoring of ongoing cognitive activity under routine working condi-tions and in the field [1-3] © 2010 Izzetoglu et al; licensee

Ngày tải lên: 02/11/2022, 14:36

... • After finishing the above loop, by using the final projection matrix P0, the output vector sSCAis obtained as follows: sSCA= s(0) Trang 4A schematic plan of the SCA algorithm containing theclutter ... Then, the main cleaned vector is obtained from the union of these sub-vectors Finally, the main vector can be used for com-puting and plotting the ambiguity diagram and target detection In this manner, ... First, in scenario #1 represented in Fig 5, we consider nine clutters in the form of blue stars and three targets in the form of red circles The clutter and target specifications are shown in Tables

Ngày tải lên: 19/11/2022, 11:44

... nals • PHY layer interference cancellation at the AP taking into account the asynchronous interference model induced by the MAC layer B3 τ3 INTERFERENCE CANCELLATION Since training symbols are ... terminals Cross-layer effects of continuous and intermittent intersystem interference from a coexisting impolite transmitter are also addressed The asynchronous interference model is derived in ... structure of the interference in these scenarios is similar to the one illustrated in Figure Preamble (training) Information Desired signal Tt τ1 Interference τ2 B1 PROBLEM FORMULATION Interference...

Ngày tải lên: 22/06/2014, 19:20

... Interference cancellation Initial phase recovery y1 [n] Decoding Estimation of g1, Interference cancellation (m) dl [n] The interference cancellation block output at the mth iteration (or the decoding ... Decoding (m) dk [n] Estimation of gk, Interference cancellation (m+1) yk [n] In the case of perfect channel estimation and interfering symbol decisions, we get To beam l, for k interfering on ... yk (9) interference is entirely removed, and the carrier phase is perfectly compensated Initial phase recovery yK [n] Decoding Estimation of gK, Interference cancellation Decoding Decoding is...

Ngày tải lên: 22/06/2014, 19:20

... Springer, Herrsching, Germany, May 2007 [21] S Plass, “Investigations on soft inter-cell interference cancellation in OFDM-CDM systems,” in Proceedings of the 12th International OFDM Workshop (InOWo ... complex intercell interference management schemes from the network side This paper presents iterative intercell interference cancellation schemes for a cellular MC-CDMA downlink An intercell interference ... soft values is presented in more detail which is named soft ICIC The in uence of intercell interference within a cellular environment is investigated in Section Also in this section, the performances...

Ngày tải lên: 22/06/2014, 19:20

... Y2 (12) In the following, we distinguish between the Wiener filter solution kW1 obtained for X = and the Wiener filter solution kW2 obtained for X = Inserting (2) and (3) into (12), we obtain kW1 ... present on the CM input The achievable improvement in the presence of several interference sources depends on the correlation of the resulting interference components originating from different ... T Magesacher, P Odling, and P O B¨ rjesson, “Adaptive ino terference cancellation using common-mode information in DSL,” in Proceedings of the 13th European Signal Processing Conference (EUSIPCO...

Ngày tải lên: 22/06/2014, 19:20

... interest, say of user 1, is the user to be acquired in the presence of intersymbol interference (ISI) and multiple-access interference (MAI) The information about the in- cell and inter-cell interferers ... considered in the presence of frequency-selective multipath fading Users ∼ Kintra are assumed to be users in the active cell and users ∼ Kinter are the intercell interferers The spreading sequence ... operated in a decision-directed (DD) mode [18–20] Later it was shown in [4] that the linear MMSE receiver can be operated in a blind adaptation manner which obviates the necessity of training The...

Ngày tải lên: 22/06/2014, 23:20

... can be explained by examining the particular distribution involved, for one single as well as for multiple interfering cells A typical cdf of the interference gain (single or multiple interferers) ... characterizing the interference power I is equivalent to studying the interference gain G We will concentrate on the latter in the subsequent sections III Methodology We are now interested in finding ... in Section III-B.1) Page of 20 1) Preliminaries: We begin this section by examining two important points When taking into account multipath fading as well as shadowing as the fading effects in...

Ngày tải lên: 21/06/2014, 00:20