Patent · US Expired

Access to communications systems

US6850504B1 · kind B1 · utility

76Cited by
7References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 28, 1998
Grant dateFeb 1, 2005
Priority date
Expiry dateOct 28, 2018

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W28/06
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

In a code division multiple access (CDMA) wireless system, a wireless terminal transmits information packets to a communications systems controller. Each information packet comprises a piggy back field which indicates to the communication systems controller resources requested by the wireless terminal for transmission of subsequent information packets.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.