WINNIPEG and TORONTO - MTS Allstream and Rogers Wireless have received regulatory approval to proceed with their shared 3.5G high speed packet access (HSPA) wireless network.The agreement, announced in July, will also allow MTS Allstream to leverage Rogers' purchasing scope and scale for cost effective access to new network technology and HSPA handsets. In addition, the two companies signed a roaming agreement under which MTS' HSPA customers will roam exclusively on the Rogers' mobile network within Rogers' wireless service area across Canada when travelling outside of the MTS coverage area. Rogers also pledged to help MTS Allstream launch a national...