As some one who has worked in engineering end of the wireless phone industry it frustrates me to hear these companies crying about lack of spectrum. I guess the best analogy i could give is. Think of kids hitting and busting a pinata (The wireless spectrum auctions). The kids grab as much candy(Spectrum) as their greedy hands can hold. They begin eating the candy. They take one bite of a candy bar then throw it away half eaten (Poorly packed wireless spectrum) to begin eating a another halfway, then eating a another till theyve had a bite of every candy bar, and are out of candy. They then begin crying for more candy.
Ive seen pitiful engineering practices, antennas not operating any where near spec, defective equipment, ect ect. They do a poor job of packing the spectrum they have effectively. If these wireless companies would rework the spectrum they already have we wouldnt be squabbling over this.