Verizon Wireless announced its plan to transmit its network to 4G standard LTE (Long Term Evolution) in 2007. The company made this announcement in collaboration with the Vodafone Group, a multinational telecommunications company.

Explanation:

1. Verizon Wireless:
Verizon Wireless is a telecommunications company that provides wireless services to millions of customers in the United States. It is a subsidiary of Verizon Communications and operates one of the largest wireless networks in the country.

2. 4G Standard LTE:
LTE, or Long Term Evolution, is a 4G wireless communication standard that offers high-speed data transfer and improved network performance. It provides faster download and upload speeds, lower latency, and better overall network efficiency compared to previous generations of wireless technology.

3. Joint Efforts with Vodafone Group:
Vodafone Group is a global telecommunications company headquartered in London, UK. It operates in multiple countries and has partnerships and collaborations with various telecom companies worldwide. In this case, Verizon Wireless collaborated with Vodafone Group to implement the 4G LTE network standard.

4. Announcement in 2007:
The announcement of Verizon Wireless's plan to transmit its network to the 4G LTE standard was made in 2007. At that time, the demand for faster and more reliable wireless connectivity was growing, and the transition to 4G LTE was seen as a significant step towards meeting these demands.

This collaboration between Verizon Wireless and Vodafone Group aimed to enhance the wireless network infrastructure and provide improved services to customers. By upgrading to 4G LTE, Verizon Wireless aimed to offer faster internet speeds, better coverage, and enhanced network capacity.

Overall, the announcement by Verizon Wireless in 2007 to transition its network to the 4G LTE standard with the joint efforts of Vodafone Group was a significant development in the telecommunications industry. It marked a shift towards faster and more efficient wireless connectivity, paving the way for the advancements in mobile technology that we experience today.