In this paper, power allocation is distributed within each Base Station. Two cases are considered: CSIT, and iterative water filling. In both cases, a distributed convergence criterion for power control is determined and included within iterative power allocation. In the past margin Adaptive (MA) problem in MIMO OFDMA multi-cell networks. The CSIT is avoiding the margin adaptive and are consequ...

in this study, a hierarchical hub location problem by considering different modes of transportation and maximum allowed delay is investigated. this study is done on iran’s express postal service with 2 days maximum delay in delivery considering ground and airport hubs. the problem is of the type of location and single allocation for collection, transfer and distribution of the shipments. all th...

Abstract Scientific and effective water allocation schemes are crucial for managing resources. Traditional built on an annual basis fixed. However, because of the drastic spatio-temporal fluctuations in availability demand resources, fixed impracticable. This work proposed a dynamic mechanism that can divide into monthly scales dynamically correct to make them adapt above fluctuations. First, t...

In this paper, we design a water resource allocation mechanism which plays the role of incentives for promotion of the water use efficiency and productivity by taking water distribution for enterprices as an example. It firstly divided the water allocation problem into three cases according to the relationship among amounts of water allocatable and demanded for enterprises. By discussing the th...

We propose three new design algorithms for jointly optimizing source and channel codes. Our optimality criterion is to minimize the average end-to-end distortion. For a given channel SNR and transmission rate, our joint source and channel code designs achieve an optimal allocation of bits between the source and channel coders. Our three techniques include a sourceoptimized channel code, a chann...

A solution to the problems of resource allocation and scheduling of loading and unloading operations in a container terminal is presented. The two problems are formulated and solved hierarchically. First, the solution of the resource allocation problem returns, over a number of work shifts, a set of quay cranes used to load and unload containers from the moored ships and the set of yard cranes ...

This paper proposes an optimized scheduling scheme in OFDMA-based WiMax networks to achieve both optimized system throughput and a complete QoS implementation for various types of traffic flows. Our scheduling scheme includes two components, one is the resource allocation for each user; the other is the QoS scheduling for various traffic sessions. Specifically an optimization problem is formula...

development projects in natural water resources like rivers and lakes, specially transferring water to use in agriculture, domestic and industrial sector without considering environmental values, causes irrecoverable and irreversible damage to ecosystem and future options. if we consider the future generation and species rights, those damages and costs can be very much than we take in. the abov...

Pricing policies play an important role in water demand management and its optimal allocation. Determining proper water price leads to optimal allocation of water especially in agricultural consumptions. Applying new subsidy targeting law in Iran which insists on pricing water based on its supply cost, will effects considerably on water resource management in agriculture sector. So, in this stu...

water markets are instrumental in efficient allocation and pricing of scarce water by enhancing allocative and price efficiency of water use. the prerequisites for water market formation are tradable water rights independent from ownership of the land, extensive water canals, water use associations, and adequate market regulations. mojen water market has been facilitating exchange of alternativ...