Enhancements to wireless networks to support short message service (SMS) communication in the packet switched domain

摘要

Technology for communicating a short message service (SMS) communication in a packet switched (PS) domain of a serving general packet radio service (GPRS) support node SGSN in a Universal Terrestrial Radio Access Network (UTRAN). One method comprises receiving, at the SGSN, a request message from a user equipment (UE) indicating that the UE supports PS based SMS and performs a circuit switched (CS) registration only to receive SMS service via a CS domain; and sending, from the CN control node, an accept message to the UE indicating that SMS over a non-access stratum (NAS) is supported by the SGSN.

主权项

1. A method for performing Packet Service (PS) only service provisioning in a wireless network, comprising:
receiving, at a serving general packet radio service (GPRS) support node (SGSN), a request message from a mobile station (MS) indicating that the MS supports PS based short messaging service (SMS) and performs a circuit switched (CS) registration only to receive SMS service via a CS domain, wherein the request message comprises an information element (IE) having a selected bit set to indicate whether or not the MS supports PS based SMS and performs the CS registration only to receive SMS service via the CS domain, wherein the SGSN is configured to send a request for CS registration received from the MS to a mobile switching center (MSC) when the MS does not support PS based SMS; and sending, from the SGSN, an accept message to the MS indicating whether SMS over a non-access stratum (NAS) is supported by the SGSN, wherein the accept message comprises an IE using a bit in the IE to identify if SMS over NAS is supported or is not supported by the SGSN.