White Papers

Dictionary Based Text Entry Method for Mobile Phones

• Tags:
• messages,
• mobile phones,
• phones,
• facilities

Overview Mobile phone networks are increasingly supporting the transmission of textual messages between mobile phones (e.g. SMS). It is reasonable to envisage increased use of these facilities and increased integration with other electronic services. However, the use of textual messages from mobile phones is inherently limited by the very poor text input facilities: mobile phones only have 12 main keys with 5-10 additional function keys. This paper introduces a new form of text entry based on single presses of each key for each character and resolution of whether a 2 is an A, B or C being carried out in the context of a whole word with reference to a large dictionary of valid words.

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