A.6 Protocol Error

3GPP44.031Location Services (LCS)Mobile Station (MS) - Serving Mobile Location Centre (SMLC) Radio Resource LCS Protocol (RRLP)Release 16TS

A.6.1 General

This component is used by the receiving entity (SMLC or MS) to indicate to the sending entity, that there is a problem that prevents the receiving entity to receive a complete and understandable component.

This component has the following values:

‘0’: Undefined;

‘1’: Missing Component;

‘2’: Incorrect Data;

‘3’: Missing Information Element or Component Element;

‘4’: Message Too Short;

‘5’: Unknown Reference Number.

A.6.2 Extended Reference IE

This IE shall be included in any Protocol Error message if and only if an Extended Reference IE was received in the corresponding previous Measure Position Request or Assistance Data message.

NOTE: For reasons of backward compatibility, a Release 4 or earlier MS will not include this IE.

The Extended Reference IE contains the following elements.

SMLC code: an integer in the range 0-63. The value returned by a target MS in a Protocol Error message shall equal the value received from the SMLC in the earlier Measure Position Request or Assistance Data message.

Transaction ID: an integer in the range 0-262143 distinguishing different RRLP transactions in different MSs currently being served by the same SMLC. The value returned by a target MS in a Protocol Error message shall equal the value received from the SMLC in the earlier Measure Position Request or Assistance Data message.