enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Comparison of mobile phone standards - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_mobile_phone...

   Comparison of mobile phone standards. Cellular network standards and generation timeline. This is a comparison of standards of wireless networking technologies for devices such as mobile phones. A new generation of cellular standards has appeared approximately every tenth year since 1G systems were introduced in 1979 and the early to mid-1980s.

3. High Speed Packet Access - Wikipedia

   en.wikipedia.org/wiki/High_Speed_Packet_Access

   High-Speed Uplink Packet Access ( HSUPA) is a 3G mobile telephony protocol in the HSPA family. It is specified and standardized in 3GPP Release 6 to improve the uplink data rate to 5.76 Mbit/s, extend capacity, and reduce latency. Together with additional improvements, this allows for new features such as Voice over Internet Protocol (VoIP ...

4. Mobile computing - Wikipedia

   en.wikipedia.org/wiki/Mobile_computing

   These networks are usually available within a range of commercial cell phone towers. High-speed network wireless LANs are inexpensive but have a very limited range. Security standards: When working mobile, one is dependent on public networks, requiring careful use of VPN. Security is a major concern while concerning the mobile computing ...

5. Mobile phone signal - Wikipedia

   en.wikipedia.org/wiki/Mobile_phone_signal

   Mobile phone signal. A mobile phone signal (also known as reception and service) is the signal strength (measured in dBm) received by a mobile phone from a cellular network (on the downlink ). Depending on various factors, such as proximity to a tower, any obstructions such as buildings or trees, etc. this signal strength will vary.

6. MIMO - Wikipedia

   en.wikipedia.org/wiki/MIMO

   MIMO technology has been standardized for wireless LANs, 3G mobile phone networks, and 4G mobile phone networks and is now in widespread commercial use. Greg Raleigh and V. K. Jones founded Airgo Networks in 2001 to develop MIMO-OFDM chipsets for wireless LANs.

7. 4G - Wikipedia

   en.wikipedia.org/wiki/4G

   Mobile telecommunications. v. t. e. 4G [1] is the fourth generation of broadband cellular network technology, succeeding 3G and preceding 5G. A 4G system must provide capabilities defined by ITU in IMT Advanced. Potential and current applications include amended mobile web access, IP telephony, gaming services, high-definition mobile TV, video ...