pusch closed loop power control for 3g lte

... an open -loop hand, making it an ideal candidate for developing a Page of 12 feedback system We modified the firmware of the hand to enable differential force control Differential Force Control ... used a ‘gated ramp controller, for two-channel differential position and force control (e.g see [24]) Subjects controlled the hand using extensor and flexor signals detected by force-sensing resistors ... limited practical utility for grasp force control if the hand controller is predictable In the third main experiment we added uncertainty to the hand controller, in the form of brief randomised...

Ngày tải lên: 19/06/2014, 08:20

... industrial control Measurement of plant outputs is essential for feedback control, and is also useful for performance evaluation of a process Input measurements are needed in feedforward control ... strategy for closed- loop (feedback) control is to make the measurements very accurate and to employ a suitable controller to reduce other types of errors Mechatronics DC Motor / Tachometer Closed- Loop ... Tachometer Closed- Loop Speed Control System Kevin Craig 23 Control Design The objective of the exercise is to control the angular speed of the load by regulating the command voltage applied to the power...

Ngày tải lên: 25/01/2014, 13:20

... selected by Automatica as an outstanding reviewer for 2003-2004 His research interests are modeling and power control for wireless networks, robust control, control under communication limitations, active ... introduced in this section Moreover, an alternative stochastic power control formulation that meets outage constraints is also discussed The first problem is formulated in terms of convex optimization ... Caines, C D Charalambous, and R P Malham´ , Power control in wireless systems: a stochastic control e formulation,” in Proceedings of the American Control Conference, vol 2, pp 750–755, Arlington,...

Ngày tải lên: 22/06/2014, 23:20

Ngày tải lên: 04/07/2014, 03:55

... transmission power This method can achieve better performance than open -loop power control because the power levels are controlled according to the actual channel conditions The outer loop power control ... quite different for uplink and downlink in FDD systems and TDD systems with long dwell time, closed- loop power control must be used 22 Chapter Literature Survey Closed- loop power control can be ... Closed- loop power control can be further classified as inner loop power control and outer loop power control In inner loop power control, the quality measurements are done at the receiver and...

Ngày tải lên: 27/11/2015, 12:11

... if r is odd Analysis of Closed- Loop Performance for Sliding Mode Control Systems 61 with either ReJr−int (ω) being zero for all odd r = n − m or ImJr−int (ω) being zero for even r Take magnitudes ... = 26.60 for option A and Fig The LPRS plots of the linear part (actuator, plant and sliding surface) Analysis of Closed- Loop Performance for Sliding Mode Control Systems 65 kn = 104.17 for option ... ˙ f = Cx0 (26) For the most common case being the autonomous mode analysis (f ≡ 0) the reduced-order model is as follows: Analysis of Closed- Loop Performance for Sliding Mode Control Systems...

Ngày tải lên: 01/07/2015, 09:37

... appropriate power control mechanism allowing adaptation of FAPs transmitting power To that end, the aim of this paper is to propose a novel power control mechanism The idea is to decrease transmitting power ... latter case, an adaptation of FAPs transmission power is accomplished The power control in uplink is addressed, for example, in [9–11] Regarding the power control in downlink, which is the focus of ... essential for proposed power adaptation scheme System Model All simulations are performed in MATLAB environment The parameters’ setting is given in Table The simulations are done for FDD LTE- A system...

Ngày tải lên: 21/06/2014, 05:20

... “visual entropy” for the closed- loop downlink MIMO system, using a wavelet coding algorithm We propose an efficient unequal power allocation scheme for improving visual quality as well as for maintaining ... Feedback (channel information) Figure 2: Block diagram for the rate control- based closed- loop MIMO system: transmitter and receiver From the perspective of the HVS, an optimal power allocation set ... derive a closed numerical form of the optimal power for the power allocation method The proposed UPA technique consists of two steps: antenna selection based on the channel gain, and optimal power...

Ngày tải lên: 21/06/2014, 22:20

... equality For an ad hoc network, implementation complexity constraints may restrict the power control to adapt power levels for each node, as opposed to optimizing it for each active outgoing link for ... obtained over a sequence of iterations: (power control, routing, power control, routing, power control) In Figure 6, the achieved energy per bit is compared for the same experiment with the first ... over a sequence of iterations: (power control + MUD, routing, power control + MUD, routing, power control + MUD) In Figure 12, the achieved energy per bit is compared for the same experiment with...

Ngày tải lên: 22/06/2014, 19:20

... possible power level for transmitting data packets whereas to use the maximum possible power level for control message packets We refer to those protocols as basic power control MAC The power control ... maximum possible transmitting power level for sending RTS/CTS packets and the minimum desired transmitting power level for sending DATA/ACK packets for implementing power control in MANETs As indicated ... architect a MAC protocol with an effective power control scheme, for MANETs, that is, to propose an autonomous power control MAC protocol (APCMP), which should perform well under dynamically changing...

Ngày tải lên: 22/06/2014, 22:20

... proposed in [23] In order to overcome the limitation of power control due to temporal filtering only, a joint power control and beamforming for wireless network is proposed in [17] where it is shown ... the authors studied the joint optimal power control and beamforming in wireless networks In [18], the authors studied the downlink power control allocation for multiclass wireless systems However, ... adjust the filter coefficients for a fixed code power vector, the inner optimization Second, we update the transmitted code powers to meet the SIR constraints on each code for the chosen filter coefficients...

Ngày tải lên: 22/06/2014, 22:20

... equality For an ad hoc network, implementation complexity constraints may restrict the power control to adapt power levels for each node, as opposed to optimizing it for each active outgoing link for ... obtained over a sequence of iterations: (power control, routing, power control, routing, power control) In Figure 6, the achieved energy per bit is compared for the same experiment with the first ... over a sequence of iterations: (power control + MUD, routing, power control + MUD, routing, power control + MUD) In Figure 12, the achieved energy per bit is compared for the same experiment with...

Ngày tải lên: 22/06/2014, 22:20

... major advantage of this LCP reformulation is that it opens up the possibility to solve the DSL power control problem using the existing well-developed algorithms for LCP, for example, Lemke’s method ... and for arbitrary number of users Our approach is based on a key new result that establishes a simple reformulation of the noncooperative Nash game (resulting from the distributed power control ... organized as follows In Section 2, we present the Nash game formulation of the DSL power control problem and develop an equivalent mixed LCP formulation, based on which we obtain a new uniqueness...

Ngày tải lên: 22/06/2014, 23:20

... utilizing the conventional closed- loop schemes [16] Our closed- loop schemes can be modified to be robust against the mismatches and be backward compatible with the standard open -loop V-BLAST receiver ... 25 26 Figure 9: Performance comparison of the proposed closed- loop schemes for uncorrelated channels under channel mismatches with different error parameters in the TDD mode for UCD 21 21 UCD α ... subcarrier in the explicit feedback mode for UCD 10 3 20 10 2 26 GMD α = GMD α = 5% GMD α = 10% Figure 8: Performance comparison of the proposed closed- loop schemes for uncorrelated channels under channel...

Ngày tải lên: 22/06/2014, 23:20

... evidence for its observations about drug use and health, and legal grounds for its interpretation of law It should provide sources of information for its annual reports, and opportunities for UN ... Click here for file [http://www.biomedcentral.com/content/supplementary/14777517-4-13-S2.pdf] Additional file "Closed to Reason": Time for Accountability for the International Narcotic Control Board ... http://www.harmreductionjournal.com/content/4/1/13 Additional file "Closed to Reason": Time for accountability for the International Narcotic Control Board Chinese translation of abstract of the above editorial Click here for file [http://www.biomedcentral.com/content/supplementary/14777517-4-13-S4.pdf]...

Ngày tải lên: 11/08/2014, 18:20

... self-organizing control It has been applied to supervisory control in several medical fields [5] For instance, a multiple drug haemodynamic supervisory control system has been developed for controlling ... norepinephrine in patients enrolled in the group undergoing closed- loop control based on fuzzy logic We attribute this reduction to closed- loop control of norepinephrine infusions Moreover, the total ... determined by a closed- loop control based on fuzzy logic algorithm versus manual control by the clinician in patients with septic shock Our goal was to reduce the duration of poorly controlled haemodynamic...

Ngày tải lên: 13/08/2014, 11:23

... conditional power market 3.3 Application of choice placement of FACTS device for modes control of power system in power market operation 3.3.1 The impact of FACTS device to modes control of power system ... for change voltage loss on the line as synchronous compensator, fixed capacitor, FACTS devices… 1.5.3 The impact of power system modes control on power market’s criterias Power system modes control ... analysis of the power system congestion in power market operation - Study and analysis of voltage stability of power system in power market operation - Study of FACTS devices for congestion control, ...

Ngày tải lên: 30/08/2016, 11:32

... band-limited to 300—3000 Hz Data Rate 10 kb/s (only for control) Modulation FM for speech, FSK for data Frequency Deviation 12 kHz for speech and kHz for data User Data Transfer Capability None TDMA ... possibility, for the first time, of truly multimedia services in wireless networks With more efficient and dynamic power controls and novel transmission algorithms, transmitter power requirements for ... since 1995 Standards for 3G wireless services were published in 1999 Support for high-speed data at rates from 144 kb/s for urban and suburban outdoor environments to 2,048 Mb/s for indoor or low-range...

Ngày tải lên: 02/03/2013, 16:58

... permeability for the gas phase (KP ) The relative permeability accounts for the reduction in pore space available for one phase due to the existence of the second phase [7] The momentum equation for ... the cell width of the electrode For optimal fuel cell performance, a uniform current density generation is desirable, and this could only be achieved with a non-uniform catalyst distribution, possibly ... the key parameters affecting fuel cell performance The model accounts for both gas and liquid phase in the same computational domain, and thus allows for the implementation of phase change inside...

Ngày tải lên: 05/09/2013, 14:58