This paper proposes a power allocation scheme with co-channel allocation for a femto base station (BS) that maximizes the sum-rate of its own femto mobile stations (MSs) with a constraint that limits the degradation of quality of service (QoS) of macro MSs. We have found a closed-form solution for the upper limit on the transmission power of each sub-channel that satisfies the constraint in a p...

In this paper we develop an asset allocation model which allocates assets by maximising expected return subject to the constraint that the expected maximum loss should meet the Value-at-Risk limits set by the risk manager. Similar to the mean-variance approach a performance index like the Sharpe index is constructed. Furthermore it is shown that the model nests the mean-variance approach in cas...

In this paper we study the problem of transmitting coded video over a UMTS network. We first discuss the statistical characteristics of packet losses in case of RTP/UDP/IP wireless video communication. Then, we propose a new rate allocation algorithm for H.264 video, based on a Gilbert-Elliot model of the packet losses. We compare the proposed algorithm with several other allocation strategies,...

in trading electrical energy in deregulated power systems, violation of operation constraints such as transmission lines flow limits is possible. these conditions have been called “congestion”. one of the most important responsibility of independent system operator (iso) is congestion management in a manner that all the system equipments be operated in their nominal ranges. in this paper, usi...

This paper studies the problem of how to delegate the allocation of finite resources across multiple categories to an agent who has better information on their benefits. It focuses on a tractable, natural class of delegation policies that impose a floor or cap on the allocation to each category, a generalization of Holmström’s (1977) “interval controls” to multidimensional settings. The paper c...

This paper makes two contributions. First, we introduce a model for evaluating the performanceof data allocation and replication algorithms in distributed databases. The model is comprehen-sive in the sense that it accounts for I/O cost, for communication cost, and, because of reliabilityconsiderations, for limits on the minimum number of copies of the object. The model captures...

Long Term Evolution (LTE) is the most promising technology for 4G mobile communication networks. The goal of LTE is to provide high data transmission rate, scalable bandwidth, low latency, and high-mobility. LTE employs Orthogonal Frequency Division Multiplexing (OFDM) and Single Carrier Frequency Division Multiple Access (SC-FDMA) for downlink and uplink data transmission, respectively. As to ...

At Harvard Business School, like at many other professional schools around the country, students’ learning experience requires limits on the number of students in a class. This creates an interesting allocation problem for school administrations: students need a seat in several classes, and classes have limited capacity. In addressing this problem, all schools have some e¢ ciency and fairness o...

The stability properties of the bandwidth allocation algorithm first fit are analyzed for the distributions concentrated on three sizes for the requests. We give the explicit expression of the ergodicity condition of this model; it involves a quadratic functional of the input parameters. The stochastic processes describing these systems are string valued Markov processes. The notion of a smooth...