TL;DRAbstract
The central design idea of mobile broadband is to adapt wireless to the Internet, not vice-versa. Compared with its wireline counterpart, mobile broadband faces two major technical challenges: fading and interference, which make the wireless link less reliable, and mobility, which requires handoff from one cell to another as a user moves. The previous chapters describe the physical and MAC layer approaches of dealing with fading and interference and improving link reliability and system capacity. In this chapter, we will expand our scope to view the airlink as part of an end-to-end network system and address the handoff issue.
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The central design idea of mobile broadband is to adapt wireless to the Internet, not vice-versa. Compared with its wireline counterpart, mobile broadband faces two major technical challenges: fading and interference, which make the wireless link less reliable, and mobility, which requires handoff from one cell to another as a user moves. The previous chapters describe the physical and MAC layer approaches of dealing with fading and interference and improving link reliability and system capacity. In this chapter, we will expand our scope to view the airlink as part of an end-to-end network system and address the handoff issue.
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