US 10,368,335 B2
Methods and devices for broadcasting system information on demand
Gen Li, Beijing (CN); Hai Wang, Beijing (CN); and Jianfeng Wang, Beijing (CN)
Assigned to TELEFONAKTIEBOLAGET L M ERICSSON (PUBL), Stockholm (SE)
Appl. No. 15/113,888
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Oct. 29, 2015, PCT No. PCT/CN2015/093191
§ 371(c)(1), (2) Date Jul. 25, 2016,
PCT Pub. No. WO2017/070888, PCT Pub. Date May 4, 2017.
Prior Publication US 2017/0265165 A1, Sep. 14, 2017
Int. Cl. H04W 72/04 (2009.01); H04W 72/00 (2009.01); H04W 48/14 (2009.01); H04W 48/10 (2009.01)
CPC H04W 72/005 (2013.01) [H04W 48/10 (2013.01); H04W 48/14 (2013.01); H04W 72/046 (2013.01); H04W 72/048 (2013.01); H04W 72/0446 (2013.01); H04W 72/0453 (2013.01); Y02D 70/00 (2018.01); Y02D 70/1222 (2018.01); Y02D 70/1262 (2018.01); Y02D 70/1264 (2018.01)] 18 Claims
OG exemplary drawing
 
1. A method implemented by a device at a base station of a cell of a cellular network, comprising:
broadcasting, to at least one terminal, essential system information, the essential system information comprising a resource configuration of a demand channel for requesting optional system information to be provided to the at least one terminal on a demand-basis and information identifying a predefined resource zone for receiving the optional system information in response to a request for the optional system information, wherein the essential system information is required to access a cell of the device, wherein the demand channel is a channel on which user equipments send a request for requesting at least a part of the optional system information on the demand-basis to avoid periodic transmission of the optional system information, wherein the information identifying the predefined resource zone comprises at least one of a time resource or a frequency resource for receiving the optional system information;
while monitoring the demand channel, receiving a request from the at least one terminal for at least a part of optional system information other than the essential system information; and
in response to receiving the request from a user equipment, broadcasting an indicator in the predefined resource zone to indicate existence of the part of the optional system information and broadcasting, on the demand basis, the part of the optional system information in the predefined resource zone.