GSM and UMTS (P5)

Chia sẻ: Hug Go Go | Ngày: | Loại File: PDF | Số trang:32

0
49
lượt xem
8
download

GSM and UMTS (P5)

Mô tả tài liệu
  Download Vui lòng tải xuống để xem tài liệu đầy đủ

The Invention of the Phase 21 Concept In 1992 SMG had to stop adding new items to the phase 2 work programme. It was nevertheless clear that there would be something after phase 2. Some proposed to call it ‘‘phase 3’’. This would of course have later caused some confusion with third generation. But the actual reason why SMG rejected this expression is that it would have suggested a phase 2/phase 3 transition similar to the phase 1/phase 2 transition, while it was thought that, for this further evolution, one should aim at a full cross phase compatibility....

Chủ đề:
Lưu

Nội dung Text: GSM and UMTS (P5)

Đồng bộ tài khoản