無線通信的多接技術 - 空間分隔多接

• SDMA (Space Division Multiple Access)

spot beam

antenna

• use spot beam antennas

• the different beam area can use

TDMA, FDMA, CDMA

• sectorized antenna can be thought of as a SDMA

• adaptive antennas can be used in the future

(simultaneously steer energy in the direction of many users)

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