Essays on DSP

The future of wireless modems

Introduction Broadband modems allow mobile devices and personal computers to receive internet access. The connection is made possible through mobile broadband technology. It is a simply way of connecting to the internet because there are no cable television lines or telephone lines involved. One can connect their mobile devices and laptops to the internet at almost any location within the reach of wireless signals (Park & Rappaport, 2007). Wireless modems have evolved with the network generation of mobile phones. 1-G modems existed but had very slow dial up connections. Their connection speed could only reach up to 2.4-kilo bytes in a ...

Oligopoly is a market structure in which only few firms are having control over market supply and since there are high barriers of entry and exit from the oligopoly market, the existing firms enjoy the monopoly kind position.( Parkin, 2011) Following are some of the salient features of Oligopoly Market: 1. Interdependence: Firms operating under oligopoly are interdependent in the decision making process. The reason for the same is that the number of firms operating and competing in the market are very few and any change in price or output level by one firm will have a direct influence ...

Introduction

Direct support persons (DSPs) serving in a humanitarian organization Everyday Lives (EL) are mandated with the responsibility of taking care of mentally retarded individuals or rather intellectually challenged persons. Working conditions at EL have not been quite encouraging for DSPs to maintain their jobs at EL leading to an overwhelming rate of DSP turnover, this paper presents a remediation plan to address the turnover in the organization and ensure sustainability in the management of organizational operations besides cost saving on a regular human resource recruitment due to turnover. Foremost, one reason that has been identified as to be behind the high ...

Introduction

The increase in security threats across the world has facilitated the introduction of technology to assist security agencies. Security agents are using surveillance systems such as Closed Circuit Television (CCTV) to enhance safety precautions to the public. A CCTV is a surveillance system that consists of cameras, recorders and displays for monitoring activities. Installation of CCTVs around the streets has raised mixed reactions from the public (Cieszynski, 2006, p. 6). Some people claim that the system has reduced crime rates in the recent past while others feel insecure in the absence of police officers in the street. The presence of ...

Introduction

The radio wireless spectrum has been the main medium of communication for many years. The military has extensively made use of this medium of communication. With the proliferation of wireless gadgets, there has been increased use of wireless networks. The radio spectrum has been criticized for its wastage of space and spectrum. There are sections which have been allocated to various functions. The most unfortunate thing is that there are some sections which have not been fully utilized. This probes for questions as to how these unused sections can be made use of productively. Another issue with radio spectrum ...

Introduction

Wireless networking has been a technology that has been adopted by many organizations and individuals as a media of communication. This has been due to the fact that many devices have been developed that can use the wireless spectrum. Though wireless spectrum has been there and has been used for as early as 1990s, the use has not been regulated and there has been wasted spectrum. Of importance is radio spectrum. The radio spectrum has been there for a long time. The spectrum has been wasted due to the fact that radios have been programmed into the hardware and not the software. ...