Patent ID: 7826431
Filing Date: 2010-11-02
Classification: H04B,H04W

Abstract:
1. A wireless communication method for use by an access point (AP) having an antenna, the method comprising: configuring the antenna to a wide beam configuration that covers a desired service area; transmitting a Request-To-Send (RTS) control message via the wide beam antenna configuration; waiting to receive a Clear-To-Send (CTS) control message via the wide beam antenna configuration; wherein the RTS or CTS control message only provides first duration information regarding a duration needed to transmit a first portion of a data packet fragment that has first and second portions; transmitting the first portion of the data packet fragment via the wide beam antenna configuration, wherein the first portion of the data packet fragment includes a preamble, a physical layer convergence protocol (PLCP) header and a medium access control (MAC) header of the data packet fragment, the MAC header including duration information regarding the second portion of the data packet fragment; configuring the antenna to a narrow beam configuration; and transmitting the second portion of the data packet fragment via the narrow beam antenna configuration.