Pool-type fishways have been increasingly tested to improve fish passage performance and minimize migration delays. Designing cost-effective is essential for a trade-off between water uses successful longitudinal connectivity restoration. The multislot fishway (MSF) concept, which operates with 30–50% lower discharge than vertical slot (VSF), was recently developed. This study assessed compared...

We present a model for assigning server time slots to different classes of patients. The objective is to minimize the total expected weighted waiting time of a patient (where different patient classes may be assigned different weights). A bulk service queueing model is used to obtain the expected waiting time of a patient of a particular class, given a feasible allocation of service time slots....

This paper presents a cluster-based TDMA (CBT) system for inter-vehicle communications. In intra-cluster communications, the proposed CBT uses a simple transmitand-listen scheme to fast elect a VC (VANET Coordinator) and it allows a VN (VANET node) to randomly choose a time slot for bandwidth requests (BR) without limiting the number of VNs. In inter-cluster communications, when two clusters ar...

All-optical wavelength division multiplexing networks are the most promising candidate for the next generation wideband backbone networks. To improve the utilization of wavelength, time division multiplexing technology is introduced. The routing, wavelength and time-slots assignment problem was studied in such time-space switched networks. Two new dynamic algorithms were proposed which distribu...

IEEE 802.16 standard lacks a Media Access Control (MAC) scheduling architecture to enforce Quality of Service (QoS) requirements of different services classes. In this paper, we propose an opportunistic and optimized scheduler that meets connections’ QoS requirements while it pledges fairness among admitted connections. Our approach involves separating the scheduling problem into two sub-proble...

Various problems of combinatorial optimization and permutation can be solved with neural network optimization. The problem of estimating the software reliability can be solved with the optimization of failed components to its minimum value. Various solutions of the problem of estimating the software reliability have been given. These solutions are exact and heuristic, but all the exact approach...

Many e-tailers providing attended home delivery, especially e-grocers, offer narrow delivery time slots to ensure satisfactory customer service. The choice of delivery time slots has to balance marketing and operational considerations, which results in a complex planning problem. We study the problem of selecting the set of time slots to offer in each of the zip codes in a service region. The s...

Introduction: The broadcast scheduling problem (BSP) is to find a collision-free scheduling of transmissions of all the stations in a minimum number of time slots. The final arrangement of the station transmissions into their allocated time slots is called a frame. Consider a packet radio network (PRN) represented by a graph G1⁄4 (V, E), where V is the set of nodes and E the set of edges. An N ...

In Radio Packet Network (RPN), unconstrained transmission may lead to collision of two or more packets. Time Division Multiple Access (TDMA) protocol is a common used protocol to schedule collision-free transmission for such networks. TDMA transmission allows a number of users to access a single radio channel without interference by allocating unique time slots to each user. In TDMA network, ti...