Wireless Network Paging Over Shared Channels for Faster Connection Setup
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Solution Overview
Problem
Conventional wireless communication systems face inefficiencies in network-initiated connection establishment due to the lack of knowledge about the connection cause and terminal context, leading to delayed setup processes.
Innovation Solution
A network-initiated connection establishment procedure that utilizes a paging message designed to support fast connection establishment over shared channels, employing cell-specific radio network temporary identities (c-RNTI) and shared control channels (SCCHs) to optimize the connection process between mobile terminals and the Radio Access Network (RAN).
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If conventional paging procedures are used for network-initiated connections, then the mobile terminal can be woken up from sleep mode, but the connection establishment process is delayed due to lack of network-known information about connection cause and terminal context
Solution Approach 1:
The network performs preliminary actions by maintaining context information about the terminal in the core network before the connection is actually established. When paging is initiated, the network already has knowledge of the terminal's context, allowing faster connection setup without requiring the terminal to re-establish all connection parameters from scratch.
Solution Approach 2:
The core network acts as an intermediary that stores and manages terminal context information. During network-initiated connection establishment, this intermediary provides the necessary context information to the RAN, enabling faster connection setup without the terminal needing to re-negotiate all parameters.
2Use of energy by moving object
If the mobile terminal terminates sleep mode by requesting connection (mobile-initiated), then the connection can be established, but it consumes more battery power and radio link resources compared to network-initiated paging
Solution Approach 1:
The network serves itself by maintaining terminal context information in the core network, eliminating the need for the terminal to re-establish connection parameters during network-initiated connections. This self-service approach reduces the terminal's energy consumption while maintaining connection establishment capability.
3Measurement precision
If registration areas are made small to improve location precision, then paging can be more targeted, but the number of registration updates increases when terminals move between areas
Solution Approach 1:
The network is segmented into multiple core network nodes that can independently store terminal context information. This allows the system to handle terminal mobility more efficiently, as terminals don't need to re-establish context when moving between registration areas - the context is already distributed across the core network segments.
Data Source
AI summary
A network node comprising a network interface, receiving circuitry, transmitting circuitry, and a processor. The network interface configured to receive a first paging message for a user equipment (UE). The processor is configured to determine a paging occasion for the UE based on a user identity of the UE known to a core network. The processor and the transmitting circuitry configured to transmit to the UE, a control channel having a paging identity and a shared channel. Further, recover an indication of a shared channel resource from the control channel and recover a paging message for the UE from a shared channel signal received using the indication of the shared channel resource.