Wireless communication system, wireless base station, wireless terminal and communication control method of the wireless communication system
US8160022B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2008 |
| Grant date | Apr 17, 2012 |
| Priority date | — |
| Expiry date | Jan 6, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61H1/003
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A wireless access terminal, after handoff, adds channel quality information calculated in the wireless access terminal to a header of transmit data and transmits this data until a wireless base station succeeds in receiving at least one or more packets. The wireless base station, when having succeeded in receiving a packet for the first time after the handoff, extracts the channel quality information from a received header to initialize channel quality information inside the wireless base station. Subsequently, the wireless base station autonomously updates the channel quality information in response to success or failure of packet reception and controls the transmission rate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.