Coexistence of GSM, HSPA and LTE

This white paper covers the coexistence of GSM, HSPA and LTE and migratory aspects from Rel-7 to Rel-8 and beyond based on the 3GPP specification. The topics covered include:

• The radio access network aspects of the coexistence
• The core network considerations
• The quality of service (QoS) requirements
• The future of voice/messaging services on LTE including CSFB, SRVCC and VoLTE and IMS services
• Regulatory aspects
• Multimode and multiband devices and machine type communications for coexisting networks

This white paper originally published on 4G Americas

• Delivering voice using HSPA
• Transition to 4G
• LTE to 5G: The global impact of wireless innovation
• LTE and 5G innovation: Igniting mobile broadband
• TDD/FDD LTE convergence