Broadcom has introduced the BCM4335, the industry's first complete 5G WiFi combo chip for smartphones, tablets, ultrabooks and other mobile devices.
5G WiFi, the 5th generation of Wi-Fi based on the IEEE 802.11ac standard, is a major evolutionary step from the existing 802.11a/b/g/n networks. It dramatically improves the wireless range in the home, with data speeds 3X faster than 802.11n. Since 5G WiFi transfers the same volume of data at a much faster rate, devices enter low-power mode quickly and, as a result, are up to six times more power efficient than equivalent 802.11n solutions.
The BCM4335 integrates a complete, single-stream 5G WiFi system — including the MAC, PHY and RF — with Bluetooth 4.0, FM radio and software on a single die. The platform-agnostic design and integration of the MAC, PHY and RF allows the BCM4335 to be added to any smartphone or tablet regardless of the application processor used. Designed in 40nm CMOS process, the new chips are smaller and more power efficient than previous generations.
The BCM4335 introduces the newest version of Broadcom's wireless coexistence technology. Handset makers can use this technology on 4G LTE cellular platforms to minimise the possibility of radio interference between Wi-Fi, Bluetooth and LTE, which operate in adjacent radio frequencies. Broadcom's Global Coexistence Interface supports the Bluetooth Special Interest Group's LTE coexistence scheme and can be applied to future Broadcom LTE platforms, as well as 4G cellular platforms from other vendors.
The company’s TurboQAM technology implements the highest data-rate 256-QAM mode in 2.4 GHz. According to Broadcom, this enables devices equipped with the BCM4335 to deliver 10 percent faster throughputs than 802.11n speeds when communicating with other 5G WiFi devices.