This paper specifies a global mobility management architecture and protocol procedure called GPMIP, which is based on Proxy Mobile IPv6. In GPMIP, mobility management is performed by the network entity rather than individual mobile nodes. The benefit is the elimination of the wireless link data delivery tunnel overhead between a mobile node and the access router. To compare with the well known ...

The tremendous demands from social market are pushing the booming development of mobile communications faster than ever before, leading to plenty of new advanced techniques emerging. With the converging of mobile and wireless communications with Internet services, the boundary between mobile personal telecommunications and wireless computer networks is disappearing. Wireless networks of the nex...

The laissez faire environment of private medical practice, however, has changed, due in part to pressures from thirdparty payors, health maintenance organizations and the federal government. Widespread adoption of managed care and its practices has caused a need for evaluation of care given in the surgeon's office and establish guidelines for the management of a surgical facility. Managed care ...

this study aimed to find the relationship between communication skills and leadership styles. the methodology of this field study was descriptive-correlation. a sample of sixty five isfahan’s media managers who were chosen randomly participated in this study. the standard multi-factor leadership questionnaire and communication skills questionnaire were used to collect data. the collected data w...