Four Parts:Getting Your Abstract StartedWriting Your AbstractFormatting Your AbstractSample AbstractsCommunity Q&A. If you need to write an abstract for an academic or scientific paper, don't panic! Your abstract is simply a short, standalone summary of the work or paper that others can use as an overview. An abstract describes what you do in your essay, whether itâs a scientific experiment or a literary analysis paper.
Most US cellular carriers use CDMA. 4G phones generally use LTE (Long Term Evolution), a high speed wireless broadband technology. In most of the world, GSM is preferred and 4G phones with LTE outside of the US use this service.
All 5 wireless providers also maintain legacy networks; of these, AT&T and T-Mobile use 2G GSM/EDGE and 3G UMTS (mostly converted to 4G HSPA+), while Verizon, Sprint, and U.S. Cellular use cdmaOne/EV-DO/1xRTT.