Use of diversity in wireless multihop networks

Summary form only given. Various forms of wireless multihop networks are gaining importance with the advent of affordable platforms for wireless communication. Examples include "ad hoc" networks of mobile devices, "mesh" networks of wireless routers, and networks of wireless embedded sensors. The need for these networks be multihop arises from the fact that all network nodes are not within communication range from one another. Several characteristics of wireless channels make network protocol design difficult.