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.
In LTE system, in order to access the network, user equipment (UE) should detect the primary synchronization signal (PSS) and secondary synchronization signal (SSS) in downlink (DL) signal from the surrounding base stations (BS). This paper presents a novel initial cell search (ICS) scheme in TD-LTE system that contains two steps. In the first step, modified normalization based PSS detection is proposed...
In this paper, a new signal detection scheme using both parallel interference cancellation (PIC) and equalization for the efficient joint distributed space-time coding is proposed to suppress the impact of imperfect synchronisation in distributed cellular systems. Simulation results show that the proposed scheme outperforms the existing joint DSTBC decoded scheme in terms of BER. And also it achieves...
Characteristics of the space station and its data system are introduced in this paper. Application of Advanced Orbiting System (AOS) in Space Station Data System (SSDS) is analyzed and the design thought of the data system is given. Then design of the system structure is presented. And key parts of the system, high-speed link controller and channel multiplexer/demultiplexer, are analyzed and designed...
In this paper, an asynchronous cooperative cellular system is investigated on the uplink. We propose a signal detector which involves successive interference cancellation (SIC) and parallel interference cancellation (PIC) to suppress the impact of interference caused by co-channel users and imperfect synchronisation. Simulation results show that the proposed scheme provides significant performance...
Current systems and methods supporting component upgrade tend to use a static subtyping comparison or refinement check to guarantee upgrade process. They statically analyzed component compatibility and substitutability without taking the context dependencies into account. This paper proposes a formal underpinning of methods aimed at reasoning about the component instances for its upgradability. We...
An interference cancellation technique is described for improving the dynamic range of receivers. Feed-forward cancellation is employed to attenuate interferers by extracting interferers in a parallel auxiliary receiver path, and subtracting these at the output of the LNA, so that the linearity requirement of the down-conversion mixer within the main path of the receiver can be relaxed. The auxiliary...
This paper presents some key issues in fiber-optic interferometric magnetic field sensors. Practically applicable methods to design and implement fiber-optic Michelson interferometer and transducers are described with experimental verifications. Detection scheme of traditional hardware demodulation is improved, and a new software demodulation method is addressed. Transducers were implemented by using...
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.