Two-tier sector RF beamforming adaptation

Patent metadata

Field	Value
Publication number	US-11711792-B2
Application number	US-201616088310-A
Country	US
Kind code	B2
Filing date	Jul 7, 2016
Priority date	Jul 7, 2016
Publication date	Jul 25, 2023
Grant date	Jul 25, 2023

Abstract

Briefly, in accordance with one or more embodiments, an apparatus of a user equipment (UE) comprises baseband circuitry including one or more processors to decode a secondary synchronization signal (SSS) or a beam reference signal (BRS) received from an evolved Node B (eNB) to select a Tier-1 sector for receiving downlink transmissions from the eNB, decode a downlink control channel message received from the eNB at one or more fixed time offsets after the UE decodes the SSS to obtain index information for the Tier-1 sector to identify the Tier-1 sector, and if the Tier-1 sector has changed initiate a random access procedure to select an updated Tier-1 sector, and generate an updated Tier-1 sector index message to report to the eNB.

First claim

What is claimed is:

1. An apparatus of a user equipment (UE) comprising baseband circuitry including one or more processors to:
decode a secondary synchronization signal (SSS) or a beam reference signal (BRS) received from an evolved Node B (eNB) to select a Tier-1 sector for receiving downlink transmissions from the eNB;
decode a downlink control channel message received from the eNB via a downlink control channel at one or more fixed time offsets after the UE decodes the SSS to obtain index information for the Tier-1 sector to identify the Tier-1 sector; and
if the Tier-1 sector has changed,
initiate a random access procedure to select an updated Tier-1 sector; and
generate an updated Tier-1 sector index message to report to the eNB.

2. The apparatus as claimed in claim 1 , further comprising radio-frequency (RF) circuitry to receive the SSS and the downlink control channel message from the eNB.

3. The apparatus as claimed in claim 1 , wherein the downlink control channel comprises a broadcast channel (BCH).

4. The apparatus as claimed in claim 1 , wherein the downlink control channel comprises a physical downlink control channel (PDCCH).

5. One or more non-transitory computer-readable media having instructions stored thereon that, if executed by a user equipment (UE), result in:
decoding a secondary synchronization signal (SSS) or a beam reference signal (BRS) received from an evolved Node B (eNB) to select a Tier-1 sector for receiving downlink transmissions from the eNB;
decoding a downlink control channel message received from the eNB via a downlink control channel at one or more fixed time offsets after the UE decodes the SSS or the BRS to obtain index information for the Tier-1 sector to identify the Tier-1 sector; and
if the Tier-1 sector has changed,
initiating a random access procedure to select an updated Tier-1 sector; and
generating an updated Tier-1 sector index message to report to the eNB.

6. The one or more non-transitory computer-readable media as claimed in claim 5 , wherein the downlink control channel comprises a broadcast channel (BCH).

7. The one or more non-transitory computer-readable media as claimed in claim 5 , wherein the downlink control channel comprises a physical downlink control channel (PDCCH).

Assignees

• Intel Corp

Inventors

• Zhu Jing
• Aryafar Ehsan
• Singh Sarabjot
• Himayat Nageen
• Lee Wook Bong

Classifications

• H04W74/0833

  Random access procedures, e.g. with 4-step access · CPC title

• H04W72/046 Primary

  the resource being in the space domain, e.g. beams · CPC title

• H04J11/0076

  Acquisition of secondary synchronisation channel, e.g. detection of cell-ID group · CPC title

• H04W48/08

  Access restriction or access information delivery, e.g. discovery data delivery (signalling during connection H04W76/00) · CPC title

• H04W48/12

  using downlink control channel · CPC title