Adjusting handover parameters for massive MIMO wireless devices
AssigneeT-Mobile Innovations LLC
InventorsYun Sung Kim, Sandeep Mangrulkar, Minho Song, Sanghoon Sung
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Abstract
A serving access node is determined as being capable of transmitting a mMIMO signal, responsive to which handover parameters are adjusted for wireless devices attached to the serving access node and receiving the mMIMO signal. Wireless devices attached to a sector deployed by a first access node and not the mMIMO signal are configured to utilize different handover parameters such that the non mMIMO wireless devices request handovers using standard signal level thresholds.
Claims18
A method for adjusting handover parameters for access nodes capable of transmitting massive multiple-input multiple-output (mMIMO) signals, the method comprising:
- determining that a serving access node is capable of transmitting a mMIMO signal;
- identifying a neighboring access node adjacent to the serving access node, wherein there is an overlapping region between the coverage areas of both serving and neighboring access nodes;
- and
- adjusting a handover parameter for wireless devices attached to the serving access node and receiving the mMIMO signal from the serving access node
- wherein adjusting the handover parameter comprises one or both of:
- lowering a first signal level threshold of a first reference signal transmitted from the serving access node, or raising a second signal level threshold of a second reference signal transmitted from the neighboring access node.
A system for adjusting handover parameters for access nodes capable of transmitting massive multiple-input multiple-output (mMIMO) signals, the system comprising:
- a processing node;
- and
- a processor coupled to the processing node, the processor being configured to perform operations comprising:
- determining that a serving access node is capable of transmitting a mMIMO signal;
- identifying a neighboring access node adjacent to the serving access node, wherein an overlapping region exists between coverage areas of the serving access node and the neighboring access node;
- and
- adjusting a handover parameter for wireless devices attached to the serving access node such that a first wireless device receiving the mMIMO signal and located closer to the neighboring access node remains attached to the serving access node;
- wherein adjusting the handover parameter comprises one or both of:
- lowering a first signal level threshold of a first reference signal transmitted from the serving access node, or raising a second signal level threshold of a second reference signal transmitted from the neighboring access node.
A processing node for adjusting handover parameters for access nodes capable of transmitting massive multiple-input multiple-output (mMIMO) signals, the processing node being configured to perform operations comprising:
- determining that a serving access node is capable of transmitting a mMIMO signal;
- identifying a neighboring access node adjacent to the serving access node, wherein there is an overlapping region between the coverage areas of both serving and neighboring access nodes;
- and
- adjusting a handover parameter for wireless devices attached to the serving access node and receiving the mMIMO signal from the serving access node,
- wherein adjusting the handover parameter comprises one or both of:
- lowering a first signal level threshold of a first reference signal transmitted from the serving access node, or raising a second signal level threshold of a second reference signal transmitted from the neighboring access node.
Dependencies are inferred from the claim text.