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Journals and Conferences
We propose a new event handling mechanism based on a multithreaded microcontroller, that allows efficient handling of simultaneous overlapping events with hard realtime requirements. Real-time threads are used as interrupt service threads (ISTs) instead of interrupt service routines (ISRs). ISTs are executed on a multithreaded microcontroller that supports… (More)
This paper introduces a multithreaded Java processor kernel which is speci cally designed as core processor of a microcontroller or system-on-a-chip. Handling of external real-time events is performed through multithreading. Real-time Java threads are used as interrupt service threads (ISTs) instead of interrupt service routines (ISRs). Our proposed Komodo… (More)
Single antenna co-channel interference cancellation for cellular TDMA networks by means of joint delayed-decision feedback sequence estimation is proposed. The performance can be increased by a novel adaptive state allocation technique.
In this letter, single antenna co-channel interference cancellation for cellular time-division multiple access (TDMA) networks by means of joint delayed-decision feedback sequence estimation is studied. The performance is increased by a novel adaptive state allocation technique.
Middleware systems support the development of distributed real-time systems in particular in heterogeneous environments. We propose OSA+, a scalable serviceoriented middleware architecture. OSA+ offers support not only for communication but also for the execution of tasks. It adapts to different hardware, operating and communication systems by use of basic… (More)
In this paper, a novel design of a receiver-side FIR prefilter is proposed which is able to jointly shorten the impulse responses of multiple co-channels given just one receive antenna. The prefilter coeffcients are computed without explicitly solving an eigenvalue problem. In conjunction with a reduced-complexity multiuser detector, a good error… (More)
In this paper, a derivation and comparison of trellis-based multi-user detectors based on the so-called Forney metric and the Ungerboeck metric, respectively, is presented. Full-state detection (JMLSE) and reduced-state detection (JDDFSE) is considered. Similar to the corresponding single-user detectors, the performance of both full-state detectors is the… (More)
We consider a simple reduced-complexity receive diversity scheme for spatially correlated multiple-antenna systems, which consists of an inner decorrelation stage based on the Karhunen-Loève transform and an outer selection stage. The task of the selection stage is to provide an optimal trade-off between complexity and performance, by selecting an… (More)
We consider a simple statistical transmit power allocation scheme for spatially correlated multiple-input multipleoutput (MIMO) systems, which is based on the Karhunen-Loève transform. The considered scheme is solely based on secondorder channel statistics, i.e., no instantaneous channel knowledge is required at the transmitter. We consider different… (More)