Cellular Network Planning and Optimization Part V: GSM

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Frequency assignment problem in DCA All or almost all frequencies are available ineach cell Very general optimization problem faced Like in FCA related FPA different approaches can beadopted (starting from blocking, interference or othermeasures) The information change between base stations is slow=> fast interference mitigation is difficult Slow interference avoidance methods can be designedbased on interference matrices. Different companies have their own solutions32
Simplified link budgets33
Page 1 and 2: Cellular Network Planningand Optimi
Page 3 and 4: General GSM was the first digital c
Page 5 and 6: GSM System architectureOur main foc
Page 7 and 8: Network Switching System (NSS)Mobil
Page 9 and 10: Logical channel structureGSM channe
Page 11 and 12: Channel structure FCCH = Frequency
Page 13 and 14: Frequency reuse Cluster sizes up to
Page 15 and 16: TRXA transmission/reception facilit
Page 17 and 18: Assume thatExample Operator has 5 M
Page 19 and 20: SolutionClosest cluster sizes from
Page 21 and 22: Cell categories Commonly used cell
Page 23 and 24: Frequency hopping (FH) in GSM FH me
Page 25 and 26: FH diversity gainChannel power resp
Page 27 and 28: FH StrategiesCyclic FHIn cyclic hop
Page 29 and 30: Frequency assignment problem Classi
Page 31: Frequency assignment problem in FCA
Page 35 and 36: Recall: SINR and TX powersAccording
Page 37 and 38: Simple DL link budget: Illustrative
Page 39 and 40: Link budget test example We have ma
Page 41 and 42: Link budget example/RX characterist
Page 43 and 44: Allowed propagation lossAllowed pro
Page 45 and 46: How to find detailed technical info
Page 47: Standardization documents 3GPP data

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