Two useful Operations, Administration, and Maintenance (OAM) functions in a transport network are "lock" and "loopback". The lock function enables an operator to lock a transport path such that it does not carry client traffic, but can continue to carry OAM messages and may carry test traffic. The loopback function allows an operator to set a specific node on the transport path into loopback mo...

The multi-level/hierarchical distributed transaction execution model is currently the model specified in the database standards and practiced in the implementations of commercial database management systems. In this model, a transaction may execute more than one subtransaction with different origins at a participating site, causing the same transaction to appear more than once at the participat...

Issues in design verification of high-speed serial I/O devices. The increasing data rate of high-speed I/O devices makes currently available measurement tools such as realtime oscilloscopes obsolete. Measuring jitter performance of prototyped physical layer ICs of 5 Gb/s will particularly become a critical problem using current-mainstream oscilloscope technology. Therefore, the architecture of ...

This paper explores a topological perspective of planning. A series of examples and theorems establishes a fundamental coupling between tasks on graphs and simplicial complexes. Planning under uncertainty is one application. The paper introduces strategy and loopback complexes. The paper’s main theorem shows that tasks specified by goals in nondeterministic graphs have guaranteed solutions if a...

Although predictable output is desirable for most businesses, agriculture is behind other industries in the adoption of information technology. While precision agriculture provides a technological means for obtaining desirable goals such as product quality, labor cost, and product mix and market requirements, the dairy industry relies on semi-controlled environments. This paper describes the us...

The complexity of wireless communication integrated circuits is increasing day by day due to the trend of multifunction and multistandard support. This has not only increased the production cost of these RFICs but the testing cost is also increased significantly, as much advanced test equipments and instruments are needed to carry out the sophisticated performance tests. To avoid this higher co...

In this paper we address the transmit strategy design for a full-duplex (FD) one-way relaying system which operates in decode-and-forward (DF) mode. Our study starts with defining a system model which encompasses the limits of a FD system to overcome its own loopback self-interference. Afterwards we present a design strategy for the defined system focusing on the case with availability of the p...

We investigate the effectiveness of link-protection schemes in terms of their ability to handle node failures in all-optical networks. We focus on node recovery, using a ring-based scheme (double-cycle cover; DCC) and generalized loopback. Comparisons are made by introduction of metrics that measure a protection scheme’s effectiveness in handling node failures. We also introduce measures that q...

This paper addresses a built-in self-test (BiST) for ICs digital transceivers. The focus is on testing the RF frontend while taking advantage of the on-chip DSP resources and DA-, AD converters. The loopback architecture is used to prevent the sensitive RF blocks from extra noise and external disturbances. The test aims at spot defects typical of RF CMOS ICs, where those faults are deemed the m...