Huawei has announced that it enabled circuit switch fall back (CSFB) voice call between a LTE TDD compatible network and a UMTS network. This CSFB voice call was made through Huawei's STREAM 201HW smartphone, now available through SOFTBANK MOBILE Corp in Japan.

Ericsson and Qualcomm have demonstrated Release 9 Circuit Switched Fall Back (CSFB) from LTE TDD (TD-LTE) to GSM, live, using a standard Ericsson radio base station RBS 6000 and an LTE multimode chipset from Qualcomm. With this achievement, both LTE FDD and LTE TDD modes, using un-paired spectrum, could also make use of the broad GSM coverage.

SK Telecom has announced two-way handover that supports both FDD LTE and TDD LTE in one device. Operator, together with Ericsson and Altair Semiconductor, demonstrated handover in between two different duplex modes of the LTE technology standard in a moving vehicle environment.

ZTE has unveiled MF820S2 and MF91S, the new multi-standard USB modem and uFi that supports LTE FDD/LTE TDD/TD-SCDMA / EDGE. According to the company, its multi-mode wireless devices represent the next chapter in LTE terminal product development, breaking down regional standard barriers and constraints at user end points.

Australian carrier Optus has completed acquisition of the Vividwireless Group from Seven Group Holdings (SGH). With up to 98MHz of spectrum in the 2.3GHz band across key population areas, Optus plans to offer high capacity 4G network.

ZTE has announced the completion of FDD/TDD LTE PS handover test that provides the foundation for seamless communications between different LTE modes.

Bharti Airtel and Qualcomm have signed an agreement for Bharti to acquire an interest in Qualcomm Asia Pacific’s Indian venture. Qualcomm holds BWA licenses in Delhi, Mumbai, Haryana and Kerala.

Huawei showcased 4x4 MIMO (Multiple Input Multiple Output) carrier aggregation solution for LTE TDD at the Huawei-hosted 2012 Global Analyst Summit in Shenzhen, China. According to the company, this solution allows the peak data rate for a single end user to reach up to 520Mbps.

China Mobile and Clearwire has agreed on common test specifications and joint interoperability testing (IOT) for TD-LTE devices in the global band configurations, inclu