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This is achieved by determining the position of users (or mobile stations) in wireless mobile systems.The proposed scheme is simulated in order to investigate its efficiency within a specific area of a large city in Saudi Arabia.
This is based on data collected from the famous local mobile operator, Zain Telecom Company.
The main contributions of the proposed scheme are to reduce the call blocking and call dropping probabilities.
Operating in today’s outdoor wireless environment can be challenging, especially when using non-licensed frequency bands such as 2.4GHz and 5GHz.
This is where you, the outdoor wireless operator, needs to be conscious of channel spacing as frequency and available spectrum is fast becoming a scarce commodity, especially in densely populated areas.
Multicarrier Signal (OFDM) OFDM or Orthogonal Frequency Division Multiplexing is a frequency-division multiplexing scheme used as a digital multi-carrier modulation method.
A large number of closely spaced orthogonal sub-carrier signals are used to carry data on several parallel data steams or channels.
https:// good practice in outdoor wireless networks is to design your base station that has multiple access points, with a frequency re-use pattern.
This is based on the beam-width of the access point antenna, for example – with a 90 degree sector antenna, an ABAB configuration is possible.
The problem of channel assignment becomes increasingly important, i.e., how do we assign calls to available channels so as to improve performance and to minimize interference.
This paper proposes a new scheme for channel assignment, which is called (DBFCB) scheme.