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Systems and methods for activating and deactivating multiple secondary cells
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An auxiliary cell and deactivation technology, applied in the direction of orthogonal multiplexing system, power network operating system integration, multiplexing communication, etc., can solve activation or deactivation interference, first SCell activation or deactivation degradation And other issues
Active Publication Date: 2018-11-09
TELEFON AB LM ERICSSON (PUBL)
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[0008] However, activation or deactivation of one SCell may be interfered by operations related to another SCell
For example, when a wireless device receives a command to configure or deconfigure a second SCell while the activation or deactivation procedure is being performed for the first SCell, the activation or deactivation of the first SCell can be severely degraded
Method used
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example 1
[0095] Example 1: An example of a general expression for T2 as a function of at least T1 is shown in (1):
[0096] T2 = g(T1, K, D, Δ) (1)
[0097] in:
[0098] K is the number of times wireless device 110A is requested to perform establishment or release of at least a second SCell 150B while (i.e., during) establishment or release of a first SCell 150A by wireless device 110A;
[0099] ● For activation / deactivation of the first SCell 150A and configuration / deconfiguration of the first SCell, K may be the same or different
[0100] K=1 can cover both DL and UL (e.g. for one SCell activation / deactivation when both DL and UL exist, as opposed to frequency bands for downlink only (e.g. LTE FDD band 30 ))
[0101] - K=1 can be any of: DL only, both DL and UL, and UL only (eg, for one SCell configuration / deconfiguration)
[0102] D is an interruption due to establishment or release of at least a second SCell (UL, DL or both) and;
[0103] • Δ is an additional margin taking int...
example 2
[0108] Example 2: Another example of a general expression of T2 as a function of at least T1 is shown in (4):
[0109] T2=g(T1, Ki, Di, Δi) (4)
[0110] in:
[0111] K is the number of times wireless device 110A is requested to perform establishment or release of the i-th SCell while (i.e., during) establishment or release of the first SCell 150A by the wireless device 110A, where the i-th SCell is different from the first SCell 150A;
[0112] D is an interruption due to establishing or releasing the i-th SCell, and;
[0113] • Δi is an additional margin to account for outages and / or wireless device 110A implementation margins due to establishing or releasing the ith SCell, where Δ≧0.
example 3
[0114] Example 3: Another example of a general expression of T2 as a function of at least T1 is shown in (5):
[0115] T2=g(T1, Kij, Dij, Δij) (5)
[0116] in:
[0117] K is at the same time (i.e., during) when the first SCell 150A is established or released by the wireless device 110A, requesting the wireless device 110A to perform a particle type SCell message (j) for establishing or releasing the i-th SCell frequency,
[0118] Wherein, the i-th SCell is different from SCell 150A;
[0119] Dij is the interruption due to the establishment or release of the i-th SCell of particle type (j), and;
[0120] • Δi is an additional margin to account for outages and / or wireless device 110A implementation margin due to particle type(j) of establishment or release of the ith SCell, where Δ≧0.
[0121] Examples of particle types (j) of establishment or release of SCells are activation, deactivation, configuration or deconfiguration of SCells.
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Abstract
According to some embodiments, a method for activating and deactivating a plurality of secondary cells (150A-B) comprises: receiving a request to activate or deactivate a first secondary cell (first SCell) (150A) for a first carrier first news. In response to the first message, a first procedure for activating or deactivating the first SCell (150A) is initiated. Wireless device 110A may have a first delay period (Tactivate_basic) within which to complete the first procedure. While the first procedure for activating or deactivating the first SCell (150A) is being performed, a second message for activating, deactivating, configuring or deconfiguring the second SCell (150B) for the second carrier is received. In response to receiving a second message for activating, deactivating, configuring or deconfiguring the second SCell (150B), the first procedure may be modified by replacing the first delay period with a second delay period (Tactivate_total), wherein The first procedure for activating or deactivating the first SCell (150A) is to be completed in the second delay period. The second delay period (Tactivate_total) may be greater than the first delay period (Tactivate_basic).
Description
technical field [0001] Particular embodiments relate generally to wireless communications and, more particularly, to systems and methods for activating and deactivating multiple secondary cells. Background technique [0002] In general, the primary carrier carries the necessary signaling specific to the wirelesscommunication device. Primary carriers exist in both uplink and downlink directions. Therefore, if there is only a single uplink component carrier, the primary cell (PCell) is on that component carrier. The network may assign different primary carriers to different wireless communication devices operating in the same sector or cell. [0003] A multi-carrier secondary cell (SCell) establishment procedure is used by a network node to at least temporarily establish or release an SCell for a wireless communication device capable of multi-carrier operation. SCells can be established or released in downlink, uplink, or both. Examples of commands that the network can us...
Claims
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