Group to Propose New High-Speed Wireless Format  LOS ANGELES (Reuters) - A group of technology companies  including Texas Instruments Inc. &lt;TXN.N&gt;, STMicroelectronics  &lt;STM.PA&gt; and Broadcom Corp. &lt;BRCM.O&gt;, on Thursday said they  will propose a new wireless networking standard up to 10 times  the speed of the current generation.