John M.

Expert Opinion

Expert Opinion
Short LTE articles and opinions by our team of Subject Matter Experts (SMEs)
  • John M.

    Random Access Supervision - Part 2

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    The previous blog, “Random Access Supervision” examined how the random access procedure works in the MAC layer and how the MAC layer communicates problems to the RRC layer. The MAC layer is designed to keep trying...
  • John M.

    Random Access Supervision - Part 1

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    In this blog I’ll examine the random access procedure from a supervision perspective. In particular I’ll review the interaction between the RRC and MAC layers. In LTE the Random Access procedure is performed entirely...
  • John M.

    IPv6 Part 2: LTE and IPv6 Transition - Dual-Stack Approach

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    IPv6 Part 2: LTE and IPv6 Transition - Dual-Stack Approach There are three main approaches for transitioning a wireless service provider’s broadband IP network from IPv4 to IPv6, namely, Dual-Stack, Tunneling and Translation...
  • John M.

    Buffer Status Reports and Uplink Scheduling

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    The eNodeB is responsible for UL QoS management. In order to fulfill this responsibility eNB needs ongoing information from the UE. The UE needs a way to report to the eNB which radio bearers (RBs) need UL resources and how much...
  • John M.

    MME Pool Overlap

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    MME Pool overlap is a deployment technique that an LTE operator may utilize to limit the amount of handover and tracking area update signaling in the core network. In LTE the following geographic areas are defined. The basic...
  • John M.

    Speed Dependent Cell Reselection

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    Speed Dependent Cell Reselection When a mobile is idle it is important that it be listening to the best cell possible so that if data starts flowing again the user experience will be optimal. When the user is moving the best...
  • John M.

    Location Services Part 2: LTE Release 9 Features

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    Part 1 discussed the state of location services in current wireless networks lamenting the fact that many phone apps get their location information from internet services rather than the wireless network. In Part 2 we review location...