broadband networks vs. Embedded operating systems

hi all,

i am a graduate student, i need to choose 1 subject from broadband networks:: which is somewhat theoretical and deals with Physics of wireless and optical communications. Broadband multiplexing and switching methods. Blocking and queuing analysis. Network optimization, routing, and economics

the other one is Enbedded operating systems which has using a beagleboard programming projects involved as well, and deals with Investigating Linux source including: memory management, kernel synchronization and driver design topics. Designing, coding, testing, and evaluating embedded operating system software in a Linux environment..

I am an elctrical engineering specializing in communication and signal processing; i have taken the following courses till now:: random signal theory, communication systems, digital communiations, wireless communications.

digital systems and circuits, VLSI design, computer architecture, digital image and video processing.

please give your opinion such that it further improves my profile and knowledge and increases my chances of getting a job.

thank you