Motorola are in talks Nortel to combine their wireless infrastructure units, the Wall Street Journalreported.
The talks could create a joint venture with sales of around $10 billion (€6.9 billion), combining businesses that make network equipment for wireless phone carriers, the newspaper said.
Motorola said in January it was exploring options for the future of its handset division, which could include selling the unit.
The Journalsaid Motorola's talks with Nortel were separate to any plans for its handset unit.