All about Vertical Antennas by William I. Orr, Stuart D. Cowan

By William I. Orr, Stuart D. Cowan

This authoritative guide covers the layout, building, deploy, and operation of fifty two vertical antennas.

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They lose some of their orthogonality on the downlink as a result of experiencing multipath depending on the severity of the channel. This results in a degree of intra-cell interference known as the downlink orthogonality factor. The assignment of these codes to users is done automatically by the network and does not involve the network planners. The network is normally capable of dynamically assigning codes with different spreading factors on each channel recurring slot to meet the varying user traffic requirements.

17 Protocol termination for DCH, User plane. [3GPPTM TSs and TRs are the property of ARIB, STIS, ETSI, CCSA, TTA and TTC who jointly own the copyright in them. They are subject to further modifications and are therefore provided to you ‘as is’ for information purposes only. 18 Radio interface protocol architecture (SAPs are marked by circles). [3GPPTM TSs and TRs are the property of ARIB, STIS, ETSI, CCSA, TTA and TTC who jointly own the copyright in them. They are subject to further modifications and are therefore provided to you ‘as is’ for information purposes only.

3GPPTM TSs and TRs are the property of ARIB, STIS, ETSI, CCSA, TTA and TTC who jointly own the copyright in them. They are subject to further modifications and are therefore provided to you ‘as is’ for information purposes only. 1 DPCCH and DPDCH on Uplink and Downlink In the uplink, the DPCCH and all the DPDCHs transmitted from one UE have the same frame timing. In the downlink, the DPCCH and all the DPDCHs carrying CCTrCHs of dedicated type to one UE also have the same frame timing. 2 Uplink-Downlink Timing at UE At the UE, the uplink DPCCH/DPDCH frame transmission takes place approximately T0 chips after the reception of the first detected path (in time) of the corresponding downlink DPCCH/DPDCH.

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