yahya ali lafta alhusseini

home based system has been designed and construction to using mobile phone. the platforms having andriod to autmate a Wi-Fi module interfaced with micro controller that controles smart device. this study present an integrated smart home to improve the quality human's life.

Usage of multiple antennas (MAs) offers higher throughputs, improved reliability , and extended range of than conventional single antenna communications system . Herein, modification goals, in dense networks, at increasing per area throughput efficiency prevailed in both indoor and outdoor environments. In other hand, for each transmission mod that the actual throughput rate can then be computed for obtain length of the packet. Therefore, in this paper under all benefits that is owned these techniques will be exploit as simulation 802.11ac Packet Error Rate for MIMO with QAM modulation to show the improvement better throughput for next generation WLANs.

We suppose that the BS estimates the channel viachannel state information (CSI) to joint beamforming including minimum mean square error (MMSE) scheme in the field of massive multiple input multiple-output (MIMO). Herein, multiple users are scheduled that can be exploited to increase the system throughput and reducing as well as suppressing the interference. Thus, strong signal gains are achievable so that amplification gain is maximizing the system energy efficiency (EE) while maximum transmission power constraints and guaranteeing spectral efficiency (SE) requirements.

A huge performances are required in wireless ad hoc networks, spatially when requireusing multi –input multi-output system (MIMO). Thus, many of technologies such as massive MIMO(m-MIMO), zero-forcing beamforming (ZFBF), coordinate multipoint (CoMP), virtual MIMO and othersare proposed by researchers to induced this goal. In this paper, we should study and discus the most significantly obtain performance as bit-error –ratio (BER), signal noise ratio(SNR), signal–to-interference-and noise ratio(SINRs), signal-to-interference-plus-noise ratio(SINR)and signal-to-leakage-and-noise ratio (SLNR). In last, all of them would be produce results as removing the interbeam interference, reducing the implementation complexity, increasingdata rate, maximizing the sum spectral efficiency (SE) and increasing capacity and throughput for using results MATLAB.

For improvement a highly scalable image compression system in order at sizes (resolutions) and qualities (bit rate) are obtained to obtain simply decoding that is achieved by a compressed image. Since, there are many users when the Internet is used and into required that is various user's request. Thus, need how can able to induce that without complexity and much data can be has quality and preserve their size. Therefore, a novel algorithm dominated Highly Scalable-Single List-SPIHT (HS-SLS) is proposed to introduce those purpose. The adaptable bit-stream which is created from HS-SLS algorithm when that is both rate scalable and resolution are gotten as a robustly scalable bit-stream. This can readily its encoder, at any bit-rate involving, can be modified to different resolution requirements, without the required to decode the bit-stream, a very straightforward scaling process that is implemented on-the-fly. An unique feature of the novel algorithm is that due to its easy memory management it has low requirement and low memory complexity. As well as, the size can be established which avoid the dynamic memory allocation problem due to the size of the applicable memory is stationary. For hardware enforcement, the HS-SLS algorithm very convenient due to its merits. As compared to the original SPIHT algorithm that, for these worthy features is very petty shorthand in the algorithm's performance, the price is paid.

characterization of Rayleigh channel within DWT-OFDM Modulation for high speed communication