System and method of unacknowledged network layer service access point identifier (NSAPI) recovery in sub-network dependent convergence protocol (SNDCP) communication
US7447905B2 · kind B2 · utility
1Cited by
6References
15Claims
0Family size
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Key dates
| Filing date | Nov 18, 2003 |
| Grant date | Nov 4, 2008 |
| Priority date | — |
| Expiry date | Feb 1, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L69/325
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system and method of unacknowledged Network Layer Service Access Point Identifier (NSAPI) recovery in Sub-Network Dependent Convergence Protocol (SNDCP) communication are disclosed herein. The disclosed techniques prevent the loss of data which may result from changing between GPRS/GSM modes in a Class B mobile station (MS).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.