As the LTE landscape becomes more clear, and the world's initial rollouts get underway, those carriers taking a wait-and-see approach now face a difficult dilemma: Should they upgrade to HSPA+ or invest in LTE? Maravedis analyst Robert Syputa argues that upgrading to HSPA+ technologies offers significantly lower costs and clearer options than the LTE alternative. Further, HSPA+ operators won't have to worry yet about switching their customers over to LTE-capable handsets.  Commentary