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Inter-frequency inter-public land mobile network (PLMN) discovery

專利號(hào)
US10897697B2
公開(kāi)日期
2021-01-19
申請(qǐng)人
Intel Corporation(US CA Santa Clara)
發(fā)明人
Alexey Khoryaev; Sergey Panteleev; Debdeep Chatterjee; Mikhail Shilov
IPC分類
H04W4/00; H04W8/00; H04W48/12; H04W48/16; H04W76/14; H04W84/04
技術(shù)領(lǐng)域
plmn,discovery,inter,sib19,serving,ue,frequency,signaling,or,d2d
地域: CA CA Santa Clara

摘要

A user equipment (UE) can receive, from an eNodeB, a serving PLMN system information block (SIB)19 for a carrier frequency of a serving PLMN of the UE. The UE can acquire inter-frequency and inter-PLMN discovery system information acquisition assistance signaling information from the SIB19. The UE can process a non-serving PLMN SIB19 for one or more carrier frequencies of a non-serving PLMN using the inter-frequency and inter-PLMN discovery system information acquisition assistance signaling information. The UE can identify inter-frequency and inter-PLMN discovery announcement rate information and monitoring control configuration information for the one or more carrier frequencies of the non-serving PLMN to enable the UE to perform device-to-device (D2D) discovery with a UE in the non-serving PLMN according to the inter-frequency and inter-PLMN discovery announcement rate information and monitoring control configuration information.

說(shuō)明書

Example 45 includes the apparatus of example 34, wherein the one or more processors and memory are further configured to: perform inter-PLMN discovery announcement and monitoring using PLMN identity dependent scheduling for discovery announcement across a plurality of carrier frequencies; perform inter-PLMN discovery announcement and monitoring using randomization of discovery announcement and discovery monitoring intervals based on one or more of a plurality of different identities; or use a physical structure of a discovery signaling comprising a demodulation reference signals (DMRS) sequence, a DMRS orthogonal cover code sequence, DMRS cyclic shift, a discovery hopping within discovery pool, a discovery signal physical structure that is a function of a PLMN identity, or a combination thereof.

權(quán)利要求

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