A mobile user equipment, UE, comprising a Multiple Input Multiple Output, MIMO, baseband apparatus , the MIMO baseband apparatus comprising: a baseband signal interface adapted to transmit or receive baseband signals (bBS) comprising data mapped by a mapping unit of said baseband apparatus to a number, N, of MIMO layers (L) which are coupled by a MIMO layer coupling unit of said baseband apparatus to different remote radio heads connected to said baseband apparatus , wherein said MIMO layer coupling unit of said baseband apparatus is adapted to couple for each remote radio head a subgroup (LG) of MIMO layers (L) of said number, N, of MIMO layers output by said mapping unit , wherein each subgroup (LG) of MIMO layers (L) selected for a remote radio head is supplied to a RRH-precoding unit of said baseband apparatus associated to a remote radio head connected to said baseband apparatus , said RRH-precoding unit being adapted to perform a linear precoding of the received MIMO layers (L) of the respective MIMO layer subgroup (LG), wherein each RRH-precoding unit of said baseband apparatus is adapted to multiply the MIMO layers (L) of the MIMO layer subgroup (LG) applied to said RRH-precoding unit with a precoding matrix (PMI), wherein the precoded MIMO layers output by the RRH-precoding unit are supplied to a corresponding cyclic prefix insertion unit adapted to insert a cyclic prefix (CP) into the received precoded MIMO layers and to output the precoded MIMO layers including the inserted cyclic prefixes to a CPRI interface of the respective remote radio head wherein the user equipment device, UE, comprises at least one first radio head of said remote radio heads , and wherein at least one additional radio head is connected via a wireless link to the baseband apparatus and integrated in a device wearable by a user (U) of said user equipment, UE, device. a baseband signal interface adapted to transmit or receive baseband signals (bBS) comprising data mapped by a mapping unit of said baseband apparatus to a number, N, of MIMO layers (L) which are coupled by a MIMO layer coupling unit of said baseband apparatus to different remote radio heads connected to said baseband apparatus , wherein said MIMO layer coupling unit of said baseband apparatus is adapted to couple for each remote radio head a subgroup (LG) of MIMO layers (L) of said number, N, of MIMO layers output by said mapping unit , wherein each subgroup (LG) of MIMO layers (L) selected for a remote radio head is supplied to a RRH-precoding unit of said baseband apparatus associated to a remote radio head connected to said baseband apparatus , said RRH-precoding unit being adapted to perform a linear precoding of the received MIMO layers (L) of the respective MIMO layer subgroup (LG), wherein each RRH-precoding unit of said baseband apparatus is adapted to multiply the MIMO layers (L) of the MIMO layer subgroup (LG) applied to said RRH-precoding unit with a precoding matrix (PMI), wherein the precoded MIMO layers output by the RRH-precoding unit are supplied to a corresponding cyclic prefix insertion unit adapted to insert a cyclic prefix (CP) into the received precoded MIMO layers and to output the precoded MIMO layers including the inserted cyclic prefixes to a CPRI interface of the respective remote radio head wherein the user equipment device, UE, comprises at least one first radio head of said remote radio heads , and wherein at least one additional radio head is connected via a wireless link to the baseband apparatus and integrated in a device wearable by a user (U) of said user equipment, UE, device. <EOS>