Patent ID: 11968751
Assignee: SONY MOBILE COMMUNICATIONS INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. A base station for transmitting system related information in a mobile telecommunications network, the base station being configured to:
transmit system information for a cell provided by the base station;
broadcast a first synchronisation signal, the first synchronisation signal indicated using a first sequence, including an indication that a current version of the system information has changed compared to a previous version of the system information; and
broadcast a second synchronisation signal, wherein the second synchronisation signal, indicated using a second sequence, is for use for terminals to achieve synchronisation with the cell, wherein
the first sequence differs from the second sequence, and
the second synchronisation signal is transmitted periodically at a first time frequency and the first synchronisation signal is transmitted periodically at a second time frequency, the second time frequency being different than the first time frequency.