17255134. HYBRID CLOSED-LOOP MULTIPLE-INPUT MULTIPLE-OUTPUT AND TRANSPARENT DIVERSITY SCHEMES simplified abstract (QUALCOMM Incorporated)
HYBRID CLOSED-LOOP MULTIPLE-INPUT MULTIPLE-OUTPUT AND TRANSPARENT DIVERSITY SCHEMES
Organization Name
Inventor(s)
Gokul Sridharan of San Diego CA (US)
Taesang Yoo of San Diego CA (US)
Peter Gaal of San Diego CA (US)
HYBRID CLOSED-LOOP MULTIPLE-INPUT MULTIPLE-OUTPUT AND TRANSPARENT DIVERSITY SCHEMES - A simplified explanation of the abstract
This abstract first appeared for US patent application 17255134 titled 'HYBRID CLOSED-LOOP MULTIPLE-INPUT MULTIPLE-OUTPUT AND TRANSPARENT DIVERSITY SCHEMES
Simplified Explanation
The patent application describes methods, systems, and devices for wireless communications using user equipment (UE) with partially coherent antennas. The UE can simultaneously transmit on groups of antennas without interference by applying a hybrid closed-loop multiple-input multiple-output (MIMO) scheme and a transparent diversity scheme.
- The UE has partially coherent antennas and can transmit on groups of antennas simultaneously.
- To avoid interference, the UE applies a hybrid closed-loop MIMO scheme among each antenna in the antenna groups, maintaining phase coherence.
- The UE also applies a transparent diversity scheme across each antenna of the groups.
- Alternatively, the UE can first apply the transparent diversity scheme and then the hybrid closed-loop MIMO scheme.
- By using both the hybrid closed-loop MIMO scheme and the transparent diversity scheme, the UE can fully utilize its resources and enhance spatial diversity in a MIMO system.
Potential Applications
This technology can be applied in various wireless communication scenarios, including:
- Cellular networks
- Wireless local area networks (WLANs)
- Internet of Things (IoT) devices
- Satellite communications
Problems Solved
The technology solves the following problems in wireless communications:
- Interference between simultaneous transmissions on partially coherent antennas
- Limited utilization of antenna resources
- Lack of spatial diversity in MIMO systems
Benefits
The technology offers the following benefits:
- Simultaneous transmissions on groups of antennas without interference
- Improved utilization of antenna resources
- Enhanced spatial diversity in MIMO systems
Original Abstract Submitted
Methods, systems, and devices for wireless communications are described. A user equipment (UE) having partially coherent antennas may be configured for simultaneous transmissions on groups of antennas To achieve the benefits of simultaneous transmissions using groups of antenna that are partially coherent, without having the transmissions affect each other, the UE may apply a hybrid closed-loop multiple-input multiple-output (MIMO) scheme among each antenna in the antenna groups where phase coherence can be maintained Following the hybrid closed-loop MIMO scheme, the UE may apply a transparent diversity scheme across each antenna of the groups. Alternatively, the UE may first apply the transparent diversity scheme and next apply the hybrid closed-loop MIMO scheme. By applying a hybrid closed-loop MIMO scheme, and a transparent diversity scheme, the UE may fully realize its resources and contribute to an improved spatial diversity for a MIMO system.
