Efficient wireless communication network entry for wireless communication devices
US8305976B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 16, 2009 |
| Grant date | Nov 6, 2012 |
| Priority date | — |
| Expiry date | Feb 28, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W74/0833
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
What is disclosed is a method of operating a wireless communication device. The method includes, when in a first mode of operation, transmitting an access request to a wireless access node at a first transmit power, starting a first countdown timer, and awaiting an access request acknowledge from the wireless access node. In the first mode of operation, if the access request acknowledge is received within the first countdown timer, the method includes halting the first countdown timer and awaiting a resource assignment message from the wireless access node, and if the access request acknowledge is not received within the first countdown timer, the method includes retransmitting the access request to the wireless access node at a second transmit power and restarting the first countdown timer. The method also includes receiving a control message to enter a second mode of operation from the wireless access node, and when in the second mode of operation, transmitting the access request to the wireless access node, starting a second countdown timer, and awaiting the resource assignment message from the wireless access node. In the second mode of operation, if the resource assignment mes…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.