The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Polar codes are known as the first provable code construction to achieve Shannon capacity for arbitrary symmetric binary input channels. Several schemes to provides both detection/decoding of the transmitted and the transmit antenna index in Multiple-Input Multiple-Output (MIMO) antenna systems were proposed in the literature for polar codes. In this paper we have critically analyzed various MIMO...
The MIMO-OFDM technology is under the significant considerations for the development of various wireless communication systems. A WLAN for 5G is for very high throughput. The combination of Multiple Input Multiple Output with multicarrier, Orthogonal Frequency Division Multiplexing (MIMO-OFDM) delivers a significant performance improvement in terms of many parameters like transmission rate, smaller...
Japan Broadcasting Corporation (NHK) is aiming to broadcast ultra high definition television (UHDTV), such as 8K, terrestrially. To evaluate a next-generation terrestrial network, two experimental stations composed of an advanced single frequency network (SFN) using space-time coding technology were set up in the Hitoyoshi area of Kumamoto, Japan. The transmission capacity of each experimental station...
Random Linear Network coding (RLNC) has emerged as a promising solution for reliable multimedia delivery over mobile cellular networks. In this paper, we deploy Application Layer-RLNC (AL-RLNC) on the top of the existing Hybrid Automatic Repeat Request (HARQ) in 4G Long Term Evolution (LTE) networks. A simple implementation scenario composed of a user equipment, an eNB and a remote host is considered...
Multiple-input multiple-output (MIMO) radar offers a lot of advantages and potentials for improving the target detection and parameters estimation performances. However, in most literatures these were discussed only based on the assumption of ideal orthogonal waveforms. It should be noted that the ideal orthogonal MIMO waveform doesn't exist and realistic MIMO waveforms will always bring some performance...
In this paper, we propose a space time code construction for the 2 × 2 optical Multiple Input Multiple Output (MIMO) communication systems. The code construction, denoted Golden-Light Code, is compliant with the optical limited range constraints and the requirements of intensity modulation and direct detection. We base our construction on a two-parametric dependent full-rate 2 × 2 MIMO coding scheme...
Visible Light Communication (VLC) has become popular for its feasible and reliable speed and anti-jamming features. In fact, the structure of the transmission system for commercial usage has mainly limited the VLC transmission to downlink. To achieve higher transmission rate, a proper design of transmission constellation should be designed according to channel condition. In this work, we develop a...
This paper provides a comprehensive survey focused on applicability of MIMO and Multicarrier systems to satellite communication. The significant research achievements in the area of Multiple antenna and multicarrier technology can be successfully used in satellite communication similar to terrestrial communication. A detailed review of MIMO and OFDM based techniques for satellite communication is...
We investigate the error performance of both multilevel polarization shift keying (MPOLSK) and spatial modulation based MPOLSK (SM-MPOLSK) architectures for multiple-input-multiple-output (MIMO) communication over atmospheric turbulence channels. We first show that bit groups corresponding to each signalling dimension of these architectures are affected unequally from the turbulence induced scintillation...
This paper studies the performance of rateless space time block code (RSTBC) in massive multiuser MIMO systems with antenna element failure. The paper illustrates the basis for rateless space time codes deployments in massive MIMO transmission over wireless erasure channels, where packets may get lost or are not decodable at the receiver due to antenna element failure. Since a large number of antenna...
We investigate the error performance of both multilevel polarization shift keying (MPOLSK) and spatial modulation based MPOLSK (SM-MPOLSK) architectures for multiple-input-multiple-output (MIMO) communication over atmospheric turbulence channels. We first show that bit groups corresponding to each signalling dimension of these architectures are affected unequally from the turbulence induced scintillation...
In conventional space shift keying (SSK) and generalized SSK (GSSK), the symbols are transmitted only by the active antennas indices, while the inactive antennas remain unexploited; this limits the spectral efficiency. In order to combat this limitation, we propose a direct-code for SSK (DC-SSK) modulation technique. In DC-SSK, the transmitter is allowed to use 0,1,…, Nt antennas for each symbol,...
Based on the orthogonality of space-time (ST) code, this paper concentrates on ST code transmission combined with intercarrier interference (ICI) parallel cancellation (PC) scheme to form STPC systems. With known channel state information (CSI) and orthogonal frequency division multiplexing (OFDM), we further develop this STPC-OFDM system with code rates 1 and 0.5 without increasing in power, bandwidth,...
A surface acoustic wave (SAW) correlator is a single compact device that computes correlation operation in real time without external power and simplifies the transceiver circuits in communication systems. Orthogonal frequency coding (OFC) technique employed in SAW correlators in communication systems provides high code diversity and enhanced processing gain. The inter digital transducer (IDT) of...
Human tracking in indoor environment plays an important role in intelligent housing system that enables the smart appliances to provide fine-grained services with the information of users' walking trajectories. This paper presents a device-free human tracking system only using existing commercial WiFi supported devices and smart appliances. We consider that a human walking trajectory consists of a...
In this paper, performance of STBC, VBLAST, MLSTBC and Hybrid-STBC-VBLAST is investigated in the presence of rayleigh fading for relay assisted multiple access communication. STBC provides diversity gain but does not provide multiplexing gain. On the other hand, VBLAST provides multiplexing gain but does not provide diversity gain. But combination of STBC and VBAST scheme such as MLSTBC and HYBRID-STBC-VBLAST...
In this paper, we present a throughput optimized cross-layer design for multiple-input multiple-output (MIMO) wireless systems. The proposed design efficiently combines power control (PC), adaptive modulation and coding (AMC) and MIMO technology at the physical layer, with an automatic repeat request (ARQ) protocol at the data-link layer. Both basic ARQ and type-I hybrid ARQ are considered. More specifically,...
In this paper, we present a new time domain electromagnetic tomographic imaging algorithm using coded multiple excitation signals to reconstruct an extended object immersed in inhomogeneous medium. Three waveform encoding techniques are developed to enable simultaneous source excitation as a way of improving computational efficiency in nonlinear full wave tomographic imaging. By numerical simulations,...
The paper analyzes the stability issue of a special emulator of memristive, memcapacitive and meminductive systems as well as higher-order elements from Chua's periodical table, and other two-terminal devices. It is demonstrated that, in order to provide stable behavior, the analog port of the emulator must be implemented by the controlled voltage or current source depending on the type of the emulated...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.